diff options
Diffstat (limited to 'drivers/clk/renesas')
62 files changed, 24282 insertions, 0 deletions
diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig new file mode 100644 index 000000000..0203ecbb3 --- /dev/null +++ b/drivers/clk/renesas/Kconfig @@ -0,0 +1,281 @@ +# SPDX-License-Identifier: GPL-2.0 + +config CLK_RENESAS + bool "Renesas SoC clock support" if COMPILE_TEST && !ARCH_RENESAS + default y if ARCH_RENESAS + select CLK_EMEV2 if ARCH_EMEV2 + select CLK_RZA1 if ARCH_R7S72100 + select CLK_R7S9210 if ARCH_R7S9210 + select CLK_R8A73A4 if ARCH_R8A73A4 + select CLK_R8A7740 if ARCH_R8A7740 + select CLK_R8A7742 if ARCH_R8A7742 + select CLK_R8A7743 if ARCH_R8A7743 || ARCH_R8A7744 + select CLK_R8A7745 if ARCH_R8A7745 + select CLK_R8A77470 if ARCH_R8A77470 + select CLK_R8A774A1 if ARCH_R8A774A1 + select CLK_R8A774B1 if ARCH_R8A774B1 + select CLK_R8A774C0 if ARCH_R8A774C0 + select CLK_R8A774E1 if ARCH_R8A774E1 + select CLK_R8A7778 if ARCH_R8A7778 + select CLK_R8A7779 if ARCH_R8A7779 + select CLK_R8A7790 if ARCH_R8A7790 + select CLK_R8A7791 if ARCH_R8A7791 || ARCH_R8A7793 + select CLK_R8A7792 if ARCH_R8A7792 + select CLK_R8A7794 if ARCH_R8A7794 + select CLK_R8A7795 if ARCH_R8A77951 + select CLK_R8A77960 if ARCH_R8A77960 + select CLK_R8A77961 if ARCH_R8A77961 + select CLK_R8A77965 if ARCH_R8A77965 + select CLK_R8A77970 if ARCH_R8A77970 + select CLK_R8A77980 if ARCH_R8A77980 + select CLK_R8A77990 if ARCH_R8A77990 + select CLK_R8A77995 if ARCH_R8A77995 + select CLK_R8A779A0 if ARCH_R8A779A0 + select CLK_R8A779F0 if ARCH_R8A779F0 + select CLK_R8A779G0 if ARCH_R8A779G0 + select CLK_R8A779H0 if ARCH_R8A779H0 + select CLK_R9A06G032 if ARCH_R9A06G032 + select CLK_R9A07G043 if ARCH_R9A07G043 + select CLK_R9A07G044 if ARCH_R9A07G044 + select CLK_R9A07G054 if ARCH_R9A07G054 + select CLK_R9A08G045 if ARCH_R9A08G045 + select CLK_R9A08G046 if ARCH_R9A08G046 + select CLK_R9A09G011 if ARCH_R9A09G011 + select CLK_R9A09G047 if ARCH_R9A09G047 + select CLK_R9A09G056 if ARCH_R9A09G056 + select CLK_R9A09G057 if ARCH_R9A09G057 + select CLK_R9A09G077 if ARCH_R9A09G077 + select CLK_R9A09G087 if ARCH_R9A09G087 + select CLK_SH73A0 if ARCH_SH73A0 + +if CLK_RENESAS + +# SoC +config CLK_EMEV2 + bool "Emma Mobile EV2 clock support" if COMPILE_TEST + +config CLK_RZA1 + bool "RZ/A1H clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSTP + +config CLK_R7S9210 + bool "RZ/A2 clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSSR + +config CLK_R8A73A4 + bool "R-Mobile APE6 clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSTP + select CLK_RENESAS_DIV6 + +config CLK_R8A7740 + bool "R-Mobile A1 clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSTP + select CLK_RENESAS_DIV6 + +config CLK_R8A7742 + bool "RZ/G1H clock support" if COMPILE_TEST + select CLK_RCAR_GEN2_CPG + +config CLK_R8A7743 + bool "RZ/G1M clock support" if COMPILE_TEST + select CLK_RCAR_GEN2_CPG + +config CLK_R8A7745 + bool "RZ/G1E clock support" if COMPILE_TEST + select CLK_RCAR_GEN2_CPG + +config CLK_R8A77470 + bool "RZ/G1C clock support" if COMPILE_TEST + select CLK_RCAR_GEN2_CPG + +config CLK_R8A774A1 + bool "RZ/G2M clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A774B1 + bool "RZ/G2N clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A774C0 + bool "RZ/G2E clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A774E1 + bool "RZ/G2H clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A7778 + bool "R-Car M1A clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSTP + +config CLK_R8A7779 + bool "R-Car H1 clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSTP + +config CLK_R8A7790 + bool "R-Car H2 clock support" if COMPILE_TEST + select CLK_RCAR_GEN2_CPG + +config CLK_R8A7791 + bool "R-Car M2-W/N clock support" if COMPILE_TEST + select CLK_RCAR_GEN2_CPG + +config CLK_R8A7792 + bool "R-Car V2H clock support" if COMPILE_TEST + select CLK_RCAR_GEN2_CPG + +config CLK_R8A7794 + bool "R-Car E2 clock support" if COMPILE_TEST + select CLK_RCAR_GEN2_CPG + +config CLK_R8A7795 + bool "R-Car H3 clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A77960 + bool "R-Car M3-W clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A77961 + bool "R-Car M3-W+ clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A77965 + bool "R-Car M3-N clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A77970 + bool "R-Car V3M clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A77980 + bool "R-Car V3H clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A77990 + bool "R-Car E3 clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A77995 + bool "R-Car D3 clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A779A0 + bool "R-Car V3U clock support" if COMPILE_TEST + select CLK_RCAR_GEN4_CPG + +config CLK_R8A779F0 + bool "R-Car S4-8 clock support" if COMPILE_TEST + select CLK_RCAR_GEN4_CPG + +config CLK_R8A779G0 + bool "R-Car V4H clock support" if COMPILE_TEST + select CLK_RCAR_GEN4_CPG + +config CLK_R8A779H0 + bool "R-Car V4M clock support" if COMPILE_TEST + select CLK_RCAR_GEN4_CPG + +config CLK_R9A06G032 + bool "RZ/N1D clock support" if COMPILE_TEST + +config CLK_R9A07G043 + bool "RZ/G2UL clock support" if COMPILE_TEST + select CLK_RZG2L + +config CLK_R9A07G044 + bool "RZ/G2L clock support" if COMPILE_TEST + select CLK_RZG2L + +config CLK_R9A07G054 + bool "RZ/V2L clock support" if COMPILE_TEST + select CLK_RZG2L + +config CLK_R9A08G045 + bool "RZ/G3S clock support" if COMPILE_TEST + select CLK_RZG2L + +config CLK_R9A08G046 + bool "RZ/G3L clock support" if COMPILE_TEST + select CLK_RZG2L + +config CLK_R9A09G011 + bool "RZ/V2M clock support" if COMPILE_TEST + select CLK_RZG2L + +config CLK_R9A09G047 + bool "RZ/G3E clock support" if COMPILE_TEST + select CLK_RZV2H + +config CLK_R9A09G056 + bool "RZ/V2N clock support" if COMPILE_TEST + select CLK_RZV2H + +config CLK_R9A09G057 + bool "RZ/V2H(P) clock support" if COMPILE_TEST + select CLK_RZV2H + +config CLK_R9A09G077 + bool "RZ/T2H clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSSR + +config CLK_R9A09G087 + bool "RZ/N2H clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSSR + +config CLK_SH73A0 + bool "SH-Mobile AG5 clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSTP + select CLK_RENESAS_DIV6 + + +# Family +config CLK_RCAR_CPG_LIB + bool "CPG/MSSR library functions" if COMPILE_TEST + +config CLK_RCAR_GEN2_CPG + bool "R-Car Gen2 CPG clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSSR + +config CLK_RCAR_GEN3_CPG + bool "R-Car Gen3 and RZ/G2 CPG clock support" if COMPILE_TEST + select CLK_RCAR_CPG_LIB + select CLK_RENESAS_CPG_MSSR + +config CLK_RCAR_GEN4_CPG + bool "R-Car Gen4 clock support" if COMPILE_TEST + select CLK_RCAR_CPG_LIB + select CLK_RENESAS_CPG_MSSR + +config CLK_RCAR_USB2_CLOCK_SEL + bool "R-Car USB2 clock selector support" + depends on ARCH_RENESAS || COMPILE_TEST + select RESET_CONTROLLER + help + This is a driver for R-Car USB2 clock selector + +config CLK_RZG2L + bool "RZ/{G2{L,UL},G3{S,L},V2L} family clock support" if COMPILE_TEST + select RESET_CONTROLLER + +config CLK_RZV2H + bool "RZ/{G3E,V2H(P)} family clock support" if COMPILE_TEST + select RESET_CONTROLLER + +config CLK_RENESAS_VBATTB + tristate "Renesas VBATTB clock controller" + depends on ARCH_RZG2L || COMPILE_TEST + select RESET_CONTROLLER + +# Generic +config CLK_RENESAS_CPG_MSSR + bool "CPG/MSSR clock support" if COMPILE_TEST + select CLK_RENESAS_DIV6 + +config CLK_RENESAS_CPG_MSTP + bool "MSTP clock support" if COMPILE_TEST + +config CLK_RENESAS_DIV6 + bool "DIV6 clock support" if COMPILE_TEST + +endif # CLK_RENESAS diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile new file mode 100644 index 000000000..bd2bed91a --- /dev/null +++ b/drivers/clk/renesas/Makefile @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: GPL-2.0 +# SoC +obj-$(CONFIG_CLK_EMEV2) += clk-emev2.o +obj-$(CONFIG_CLK_RZA1) += clk-rz.o +obj-$(CONFIG_CLK_R7S9210) += r7s9210-cpg-mssr.o +obj-$(CONFIG_CLK_R8A73A4) += clk-r8a73a4.o +obj-$(CONFIG_CLK_R8A7740) += clk-r8a7740.o +obj-$(CONFIG_CLK_R8A7742) += r8a7742-cpg-mssr.o +obj-$(CONFIG_CLK_R8A7743) += r8a7743-cpg-mssr.o +obj-$(CONFIG_CLK_R8A7745) += r8a7745-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77470) += r8a77470-cpg-mssr.o +obj-$(CONFIG_CLK_R8A774A1) += r8a774a1-cpg-mssr.o +obj-$(CONFIG_CLK_R8A774B1) += r8a774b1-cpg-mssr.o +obj-$(CONFIG_CLK_R8A774C0) += r8a774c0-cpg-mssr.o +obj-$(CONFIG_CLK_R8A774E1) += r8a774e1-cpg-mssr.o +obj-$(CONFIG_CLK_R8A7778) += clk-r8a7778.o +obj-$(CONFIG_CLK_R8A7779) += clk-r8a7779.o +obj-$(CONFIG_CLK_R8A7790) += r8a7790-cpg-mssr.o +obj-$(CONFIG_CLK_R8A7791) += r8a7791-cpg-mssr.o +obj-$(CONFIG_CLK_R8A7792) += r8a7792-cpg-mssr.o +obj-$(CONFIG_CLK_R8A7794) += r8a7794-cpg-mssr.o +obj-$(CONFIG_CLK_R8A7795) += r8a7795-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77960) += r8a7796-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77961) += r8a7796-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77965) += r8a77965-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77970) += r8a77970-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77980) += r8a77980-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77990) += r8a77990-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77995) += r8a77995-cpg-mssr.o +obj-$(CONFIG_CLK_R8A779A0) += r8a779a0-cpg-mssr.o +obj-$(CONFIG_CLK_R8A779F0) += r8a779f0-cpg-mssr.o +obj-$(CONFIG_CLK_R8A779G0) += r8a779g0-cpg-mssr.o +obj-$(CONFIG_CLK_R8A779H0) += r8a779h0-cpg-mssr.o +obj-$(CONFIG_CLK_R9A06G032) += r9a06g032-clocks.o +obj-$(CONFIG_CLK_R9A07G043) += r9a07g043-cpg.o +obj-$(CONFIG_CLK_R9A07G044) += r9a07g044-cpg.o +obj-$(CONFIG_CLK_R9A07G054) += r9a07g044-cpg.o +obj-$(CONFIG_CLK_R9A08G045) += r9a08g045-cpg.o +obj-$(CONFIG_CLK_R9A08G046) += r9a08g046-cpg.o +obj-$(CONFIG_CLK_R9A09G011) += r9a09g011-cpg.o +obj-$(CONFIG_CLK_R9A09G047) += r9a09g047-cpg.o +obj-$(CONFIG_CLK_R9A09G056) += r9a09g056-cpg.o +obj-$(CONFIG_CLK_R9A09G057) += r9a09g057-cpg.o +obj-$(CONFIG_CLK_R9A09G077) += r9a09g077-cpg.o +obj-$(CONFIG_CLK_R9A09G087) += r9a09g077-cpg.o +obj-$(CONFIG_CLK_SH73A0) += clk-sh73a0.o + +# Family +obj-$(CONFIG_CLK_RCAR_CPG_LIB) += rcar-cpg-lib.o +obj-$(CONFIG_CLK_RCAR_GEN2_CPG) += rcar-gen2-cpg.o +obj-$(CONFIG_CLK_RCAR_GEN3_CPG) += rcar-gen3-cpg.o +obj-$(CONFIG_CLK_RCAR_GEN4_CPG) += rcar-gen4-cpg.o +obj-$(CONFIG_CLK_RCAR_USB2_CLOCK_SEL) += rcar-usb2-clock-sel.o +obj-$(CONFIG_CLK_RZG2L) += rzg2l-cpg.o +obj-$(CONFIG_CLK_RZV2H) += rzv2h-cpg.o + +# Generic +obj-$(CONFIG_CLK_RENESAS_CPG_MSSR) += renesas-cpg-mssr.o +obj-$(CONFIG_CLK_RENESAS_CPG_MSTP) += clk-mstp.o +obj-$(CONFIG_CLK_RENESAS_DIV6) += clk-div6.o +obj-$(CONFIG_CLK_RENESAS_VBATTB) += clk-vbattb.o diff --git a/drivers/clk/renesas/clk-div6.c b/drivers/clk/renesas/clk-div6.c new file mode 100644 index 000000000..c23489900 --- /dev/null +++ b/drivers/clk/renesas/clk-div6.c @@ -0,0 +1,370 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7790 Common Clock Framework support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * + * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> + */ + +#include <linux/bitfield.h> +#include <linux/clk-provider.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/notifier.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/pm.h> +#include <linux/slab.h> + +#include "clk-div6.h" + +#define CPG_DIV6_CKSTP BIT(8) +#define CPG_DIV6_DIV(d) ((d) & 0x3f) +#define CPG_DIV6_DIV_MASK 0x3f + +/** + * struct div6_clock - CPG 6 bit divider clock + * @hw: handle between common and hardware-specific interfaces + * @reg: IO-remapped register + * @div: divisor value (1-64) + * @src_mask: Bitmask covering the register bits to select the parent clock + * @nb: Notifier block to save/restore clock state for system resume + * @parents: Array to map from valid parent clocks indices to hardware indices + */ +struct div6_clock { + struct clk_hw hw; + void __iomem *reg; + unsigned int div; + u32 src_mask; + struct notifier_block nb; + u8 parents[]; +}; + +#define to_div6_clock(_hw) container_of(_hw, struct div6_clock, hw) + +static int cpg_div6_clock_enable(struct clk_hw *hw) +{ + struct div6_clock *clock = to_div6_clock(hw); + u32 val; + + val = (readl(clock->reg) & ~(CPG_DIV6_DIV_MASK | CPG_DIV6_CKSTP)) + | CPG_DIV6_DIV(clock->div - 1); + writel(val, clock->reg); + + return 0; +} + +static void cpg_div6_clock_disable(struct clk_hw *hw) +{ + struct div6_clock *clock = to_div6_clock(hw); + u32 val; + + val = readl(clock->reg); + val |= CPG_DIV6_CKSTP; + /* + * DIV6 clocks require the divisor field to be non-zero when stopping + * the clock. However, some clocks (e.g. ZB on sh73a0) fail to be + * re-enabled later if the divisor field is changed when stopping the + * clock + */ + if (!(val & CPG_DIV6_DIV_MASK)) + val |= CPG_DIV6_DIV_MASK; + writel(val, clock->reg); +} + +static int cpg_div6_clock_is_enabled(struct clk_hw *hw) +{ + struct div6_clock *clock = to_div6_clock(hw); + + return !(readl(clock->reg) & CPG_DIV6_CKSTP); +} + +static unsigned long cpg_div6_clock_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct div6_clock *clock = to_div6_clock(hw); + + return parent_rate / clock->div; +} + +static unsigned int cpg_div6_clock_calc_div(unsigned long rate, + unsigned long parent_rate) +{ + unsigned int div; + + if (!rate) + rate = 1; + + div = DIV_ROUND_CLOSEST(parent_rate, rate); + return clamp(div, 1U, 64U); +} + +static int cpg_div6_clock_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + unsigned long prate, calc_rate, diff, best_rate, best_prate; + unsigned int num_parents = clk_hw_get_num_parents(hw); + struct clk_hw *parent, *best_parent = NULL; + unsigned int i, min_div, max_div, div; + unsigned long min_diff = ULONG_MAX; + + for (i = 0; i < num_parents; i++) { + parent = clk_hw_get_parent_by_index(hw, i); + if (!parent) + continue; + + prate = clk_hw_get_rate(parent); + if (!prate) + continue; + + min_div = max(DIV_ROUND_UP(prate, req->max_rate), 1UL); + max_div = req->min_rate ? min(prate / req->min_rate, 64UL) : 64; + if (max_div < min_div) + continue; + + div = cpg_div6_clock_calc_div(req->rate, prate); + div = clamp(div, min_div, max_div); + calc_rate = prate / div; + diff = calc_rate > req->rate ? calc_rate - req->rate + : req->rate - calc_rate; + if (diff < min_diff) { + best_rate = calc_rate; + best_parent = parent; + best_prate = prate; + min_diff = diff; + } + } + + if (!best_parent) + return -EINVAL; + + req->best_parent_rate = best_prate; + req->best_parent_hw = best_parent; + req->rate = best_rate; + return 0; +} + +static int cpg_div6_clock_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct div6_clock *clock = to_div6_clock(hw); + unsigned int div = cpg_div6_clock_calc_div(rate, parent_rate); + u32 val; + + clock->div = div; + + val = readl(clock->reg) & ~CPG_DIV6_DIV_MASK; + /* Only program the new divisor if the clock isn't stopped. */ + if (!(val & CPG_DIV6_CKSTP)) + writel(val | CPG_DIV6_DIV(clock->div - 1), clock->reg); + + return 0; +} + +static u8 cpg_div6_clock_get_parent(struct clk_hw *hw) +{ + struct div6_clock *clock = to_div6_clock(hw); + unsigned int i; + u8 hw_index; + + if (clock->src_mask == 0) + return 0; + + hw_index = field_get(clock->src_mask, readl(clock->reg)); + for (i = 0; i < clk_hw_get_num_parents(hw); i++) { + if (clock->parents[i] == hw_index) + return i; + } + + pr_err("%s: %s DIV6 clock set to invalid parent %u\n", + __func__, clk_hw_get_name(hw), hw_index); + return 0; +} + +static int cpg_div6_clock_set_parent(struct clk_hw *hw, u8 index) +{ + struct div6_clock *clock = to_div6_clock(hw); + u32 src; + + if (index >= clk_hw_get_num_parents(hw)) + return -EINVAL; + + src = field_prep(clock->src_mask, clock->parents[index]); + writel((readl(clock->reg) & ~clock->src_mask) | src, clock->reg); + return 0; +} + +static const struct clk_ops cpg_div6_clock_ops = { + .enable = cpg_div6_clock_enable, + .disable = cpg_div6_clock_disable, + .is_enabled = cpg_div6_clock_is_enabled, + .get_parent = cpg_div6_clock_get_parent, + .set_parent = cpg_div6_clock_set_parent, + .recalc_rate = cpg_div6_clock_recalc_rate, + .determine_rate = cpg_div6_clock_determine_rate, + .set_rate = cpg_div6_clock_set_rate, +}; + +static int cpg_div6_clock_notifier_call(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct div6_clock *clock = container_of(nb, struct div6_clock, nb); + + switch (action) { + case PM_EVENT_RESUME: + /* + * TODO: This does not yet support DIV6 clocks with multiple + * parents, as the parent selection bits are not restored. + * Fortunately so far such DIV6 clocks are found only on + * R/SH-Mobile SoCs, while the resume functionality is only + * needed on R-Car Gen3. + */ + if (__clk_get_enable_count(clock->hw.clk)) + cpg_div6_clock_enable(&clock->hw); + else + cpg_div6_clock_disable(&clock->hw); + return NOTIFY_OK; + } + + return NOTIFY_DONE; +} + +/** + * cpg_div6_register - Register a DIV6 clock + * @name: Name of the DIV6 clock + * @num_parents: Number of parent clocks of the DIV6 clock (1, 4, or 8) + * @parent_names: Array containing the names of the parent clocks + * @reg: Mapped register used to control the DIV6 clock + * @notifiers: Optional notifier chain to save/restore state for system resume + */ +struct clk * __init cpg_div6_register(const char *name, + unsigned int num_parents, + const char **parent_names, + void __iomem *reg, + struct raw_notifier_head *notifiers) +{ + unsigned int valid_parents; + struct clk_init_data init = {}; + struct div6_clock *clock; + struct clk *clk; + unsigned int i; + + clock = kzalloc_flex(*clock, parents, num_parents); + if (!clock) + return ERR_PTR(-ENOMEM); + + clock->reg = reg; + + /* + * Read the divisor. Disabling the clock overwrites the divisor, so we + * need to cache its value for the enable operation. + */ + clock->div = (readl(clock->reg) & CPG_DIV6_DIV_MASK) + 1; + + switch (num_parents) { + case 1: + /* fixed parent clock */ + clock->src_mask = 0; + break; + case 4: + /* clock with EXSRC bits 6-7 */ + clock->src_mask = GENMASK(7, 6); + break; + case 8: + /* VCLK with EXSRC bits 12-14 */ + clock->src_mask = GENMASK(14, 12); + break; + default: + pr_err("%s: invalid number of parents for DIV6 clock %s\n", + __func__, name); + clk = ERR_PTR(-EINVAL); + goto free_clock; + } + + /* Filter out invalid parents */ + for (i = 0, valid_parents = 0; i < num_parents; i++) { + if (parent_names[i]) { + parent_names[valid_parents] = parent_names[i]; + clock->parents[valid_parents] = i; + valid_parents++; + } + } + + /* Register the clock. */ + init.name = name; + init.ops = &cpg_div6_clock_ops; + init.parent_names = parent_names; + init.num_parents = valid_parents; + + clock->hw.init = &init; + + clk = clk_register(NULL, &clock->hw); + if (IS_ERR(clk)) + goto free_clock; + + if (notifiers) { + clock->nb.notifier_call = cpg_div6_clock_notifier_call; + raw_notifier_chain_register(notifiers, &clock->nb); + } + + return clk; + +free_clock: + kfree(clock); + return clk; +} + +static void __init cpg_div6_clock_init(struct device_node *np) +{ + unsigned int num_parents; + const char **parent_names; + const char *clk_name = np->name; + void __iomem *reg; + struct clk *clk; + unsigned int i; + + num_parents = of_clk_get_parent_count(np); + if (num_parents < 1) { + pr_err("%s: no parent found for %pOFn DIV6 clock\n", + __func__, np); + return; + } + + parent_names = kmalloc_array(num_parents, sizeof(*parent_names), + GFP_KERNEL); + if (!parent_names) + return; + + reg = of_iomap(np, 0); + if (reg == NULL) { + pr_err("%s: failed to map %pOFn DIV6 clock register\n", + __func__, np); + goto error; + } + + /* Parse the DT properties. */ + of_property_read_string(np, "clock-output-names", &clk_name); + + for (i = 0; i < num_parents; i++) + parent_names[i] = of_clk_get_parent_name(np, i); + + clk = cpg_div6_register(clk_name, num_parents, parent_names, reg, NULL); + if (IS_ERR(clk)) { + pr_err("%s: failed to register %pOFn DIV6 clock (%ld)\n", + __func__, np, PTR_ERR(clk)); + goto error; + } + + of_clk_add_provider(np, of_clk_src_simple_get, clk); + + kfree(parent_names); + return; + +error: + if (reg) + iounmap(reg); + kfree(parent_names); +} +CLK_OF_DECLARE(cpg_div6_clk, "renesas,cpg-div6-clock", cpg_div6_clock_init); diff --git a/drivers/clk/renesas/clk-div6.h b/drivers/clk/renesas/clk-div6.h new file mode 100644 index 000000000..3af640a0b --- /dev/null +++ b/drivers/clk/renesas/clk-div6.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __RENESAS_CLK_DIV6_H__ +#define __RENESAS_CLK_DIV6_H__ + +struct clk *cpg_div6_register(const char *name, unsigned int num_parents, + const char **parent_names, void __iomem *reg, + struct raw_notifier_head *notifiers); + +#endif diff --git a/drivers/clk/renesas/clk-emev2.c b/drivers/clk/renesas/clk-emev2.c new file mode 100644 index 000000000..37c6f9be5 --- /dev/null +++ b/drivers/clk/renesas/clk-emev2.c @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * EMMA Mobile EV2 common clock framework support + * + * Copyright (C) 2013 Takashi Yoshii <takashi.yoshii.ze@renesas.com> + * Copyright (C) 2012 Magnus Damm + */ +#include <linux/clk-provider.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> + +/* EMEV2 SMU registers */ +#define USIAU0_RSTCTRL 0x094 +#define USIBU1_RSTCTRL 0x0ac +#define USIBU2_RSTCTRL 0x0b0 +#define USIBU3_RSTCTRL 0x0b4 +#define IIC0_RSTCTRL 0x0dc +#define IIC1_RSTCTRL 0x0e0 +#define STI_RSTCTRL 0x124 +#define STI_CLKSEL 0x688 + +static DEFINE_SPINLOCK(lock); + +/* not pretty, but hey */ +static void __iomem *smu_base; + +static void __init emev2_smu_write(unsigned long value, int offs) +{ + BUG_ON(!smu_base || (offs >= PAGE_SIZE)); + writel_relaxed(value, smu_base + offs); +} + +static const struct of_device_id smu_id[] __initconst = { + { .compatible = "renesas,emev2-smu", }, + {}, +}; + +static void __init emev2_smu_init(void) +{ + struct device_node *np; + + np = of_find_matching_node(NULL, smu_id); + BUG_ON(!np); + smu_base = of_iomap(np, 0); + BUG_ON(!smu_base); + of_node_put(np); + + /* setup STI timer to run on 32.768 kHz and deassert reset */ + emev2_smu_write(0, STI_CLKSEL); + emev2_smu_write(1, STI_RSTCTRL); + + /* deassert reset for UART0->UART3 */ + emev2_smu_write(2, USIAU0_RSTCTRL); + emev2_smu_write(2, USIBU1_RSTCTRL); + emev2_smu_write(2, USIBU2_RSTCTRL); + emev2_smu_write(2, USIBU3_RSTCTRL); + + /* deassert reset for IIC0->IIC1 */ + emev2_smu_write(1, IIC0_RSTCTRL); + emev2_smu_write(1, IIC1_RSTCTRL); +} + +static void __init emev2_smu_clkdiv_init(struct device_node *np) +{ + u32 reg[2]; + struct clk *clk; + const char *parent_name = of_clk_get_parent_name(np, 0); + if (WARN_ON(of_property_read_u32_array(np, "reg", reg, 2))) + return; + if (!smu_base) + emev2_smu_init(); + clk = clk_register_divider(NULL, np->name, parent_name, 0, + smu_base + reg[0], reg[1], 8, 0, &lock); + of_clk_add_provider(np, of_clk_src_simple_get, clk); + pr_debug("## %s %pOFn %p\n", __func__, np, clk); +} +CLK_OF_DECLARE(emev2_smu_clkdiv, "renesas,emev2-smu-clkdiv", + emev2_smu_clkdiv_init); + +static void __init emev2_smu_gclk_init(struct device_node *np) +{ + u32 reg[2]; + struct clk *clk; + const char *parent_name = of_clk_get_parent_name(np, 0); + if (WARN_ON(of_property_read_u32_array(np, "reg", reg, 2))) + return; + if (!smu_base) + emev2_smu_init(); + clk = clk_register_gate(NULL, np->name, parent_name, 0, + smu_base + reg[0], reg[1], 0, &lock); + of_clk_add_provider(np, of_clk_src_simple_get, clk); + pr_debug("## %s %pOFn %p\n", __func__, np, clk); +} +CLK_OF_DECLARE(emev2_smu_gclk, "renesas,emev2-smu-gclk", emev2_smu_gclk_init); diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c new file mode 100644 index 000000000..f57f23428 --- /dev/null +++ b/drivers/clk/renesas/clk-mstp.c @@ -0,0 +1,346 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * R-Car MSTP clocks + * + * Copyright (C) 2013 Ideas On Board SPRL + * Copyright (C) 2015 Glider bvba + * + * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/device.h> +#include <linux/io.h> +#include <linux/iopoll.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/pm_clock.h> +#include <linux/pm_domain.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +/* + * MSTP clocks. We can't use standard gate clocks as we need to poll on the + * status register when enabling the clock. + */ + +#define MSTP_MAX_CLOCKS 32 + +/** + * struct mstp_clock_group - MSTP gating clocks group + * + * @data: clock specifier translation for clocks in this group + * @smstpcr: module stop control register + * @mstpsr: module stop status register (optional) + * @lock: protects writes to SMSTPCR + * @width_8bit: registers are 8-bit, not 32-bit + * @clks: clocks in this group + */ +struct mstp_clock_group { + struct clk_onecell_data data; + void __iomem *smstpcr; + void __iomem *mstpsr; + spinlock_t lock; + bool width_8bit; + struct clk *clks[]; +}; + +/** + * struct mstp_clock - MSTP gating clock + * @hw: handle between common and hardware-specific interfaces + * @bit_index: control bit index + * @group: MSTP clocks group + */ +struct mstp_clock { + struct clk_hw hw; + u32 bit_index; + struct mstp_clock_group *group; +}; + +#define to_mstp_clock(_hw) container_of(_hw, struct mstp_clock, hw) + +static inline u32 cpg_mstp_read(struct mstp_clock_group *group, + u32 __iomem *reg) +{ + return group->width_8bit ? readb(reg) : readl(reg); +} + +static inline void cpg_mstp_write(struct mstp_clock_group *group, u32 val, + u32 __iomem *reg) +{ + group->width_8bit ? writeb(val, reg) : writel(val, reg); +} + +static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) +{ + struct mstp_clock *clock = to_mstp_clock(hw); + struct mstp_clock_group *group = clock->group; + u32 bitmask = BIT(clock->bit_index); + unsigned long flags; + u32 value; + int ret; + + spin_lock_irqsave(&group->lock, flags); + + value = cpg_mstp_read(group, group->smstpcr); + if (enable) + value &= ~bitmask; + else + value |= bitmask; + cpg_mstp_write(group, value, group->smstpcr); + + if (!group->mstpsr) { + /* dummy read to ensure write has completed */ + cpg_mstp_read(group, group->smstpcr); + barrier_data(group->smstpcr); + } + + spin_unlock_irqrestore(&group->lock, flags); + + if (!enable || !group->mstpsr) + return 0; + + /* group->width_8bit is always false if group->mstpsr is present */ + ret = readl_poll_timeout_atomic(group->mstpsr, value, + !(value & bitmask), 0, 10); + if (ret) + pr_err("%s: failed to enable %p[%d]\n", __func__, + group->smstpcr, clock->bit_index); + + return ret; +} + +static int cpg_mstp_clock_enable(struct clk_hw *hw) +{ + return cpg_mstp_clock_endisable(hw, true); +} + +static void cpg_mstp_clock_disable(struct clk_hw *hw) +{ + cpg_mstp_clock_endisable(hw, false); +} + +static int cpg_mstp_clock_is_enabled(struct clk_hw *hw) +{ + struct mstp_clock *clock = to_mstp_clock(hw); + struct mstp_clock_group *group = clock->group; + u32 value; + + if (group->mstpsr) + value = cpg_mstp_read(group, group->mstpsr); + else + value = cpg_mstp_read(group, group->smstpcr); + + return !(value & BIT(clock->bit_index)); +} + +static const struct clk_ops cpg_mstp_clock_ops = { + .enable = cpg_mstp_clock_enable, + .disable = cpg_mstp_clock_disable, + .is_enabled = cpg_mstp_clock_is_enabled, +}; + +static struct clk * __init cpg_mstp_clock_register(const char *name, + const char *parent_name, unsigned int index, + struct mstp_clock_group *group) +{ + struct clk_init_data init = {}; + struct mstp_clock *clock; + struct clk *clk; + + clock = kzalloc_obj(*clock); + if (!clock) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &cpg_mstp_clock_ops; + init.flags = CLK_SET_RATE_PARENT; + /* INTC-SYS is the module clock of the GIC, and must not be disabled */ + if (!strcmp(name, "intc-sys")) { + pr_debug("MSTP %s setting CLK_IS_CRITICAL\n", name); + init.flags |= CLK_IS_CRITICAL; + } + init.parent_names = &parent_name; + init.num_parents = 1; + + clock->bit_index = index; + clock->group = group; + clock->hw.init = &init; + + clk = clk_register(NULL, &clock->hw); + + if (IS_ERR(clk)) + kfree(clock); + + return clk; +} + +static void __init cpg_mstp_clocks_init(struct device_node *np) +{ + struct mstp_clock_group *group; + const char *idxname; + struct clk **clks; + unsigned int i; + + group = kzalloc_flex(*group, clks, MSTP_MAX_CLOCKS); + if (!group) + return; + + clks = group->clks; + spin_lock_init(&group->lock); + group->data.clks = clks; + + group->smstpcr = of_iomap(np, 0); + group->mstpsr = of_iomap(np, 1); + + if (group->smstpcr == NULL) { + pr_err("%s: failed to remap SMSTPCR\n", __func__); + kfree(group); + return; + } + + if (of_device_is_compatible(np, "renesas,r7s72100-mstp-clocks")) + group->width_8bit = true; + + for (i = 0; i < MSTP_MAX_CLOCKS; ++i) + clks[i] = ERR_PTR(-ENOENT); + + if (of_property_present(np, "clock-indices")) + idxname = "clock-indices"; + else + idxname = "renesas,clock-indices"; + + for (i = 0; i < MSTP_MAX_CLOCKS; ++i) { + const char *parent_name; + const char *name; + u32 clkidx; + int ret; + + /* Skip clocks with no name. */ + ret = of_property_read_string_index(np, "clock-output-names", + i, &name); + if (ret < 0 || strlen(name) == 0) + continue; + + parent_name = of_clk_get_parent_name(np, i); + ret = of_property_read_u32_index(np, idxname, i, &clkidx); + if (parent_name == NULL || ret < 0) + break; + + if (clkidx >= MSTP_MAX_CLOCKS) { + pr_err("%s: invalid clock %pOFn %s index %u\n", + __func__, np, name, clkidx); + continue; + } + + clks[clkidx] = cpg_mstp_clock_register(name, parent_name, + clkidx, group); + if (!IS_ERR(clks[clkidx])) + group->data.clk_num = max(group->data.clk_num, + clkidx + 1); + else + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clks[clkidx])); + } + + of_clk_add_provider(np, of_clk_src_onecell_get, &group->data); +} +CLK_OF_DECLARE(cpg_mstp_clks, "renesas,cpg-mstp-clocks", cpg_mstp_clocks_init); + +int cpg_mstp_attach_dev(struct generic_pm_domain *unused, struct device *dev) +{ + struct device_node *np = dev->of_node; + struct of_phandle_args clkspec; + struct clk *clk; + int i = 0; + int error; + + while (!of_parse_phandle_with_args(np, "clocks", "#clock-cells", i, + &clkspec)) { + if (of_device_is_compatible(clkspec.np, + "renesas,cpg-mstp-clocks")) + goto found; + + /* BSC on r8a73a4/sh73a0 uses zb_clk instead of an mstp clock */ + if (of_node_name_eq(clkspec.np, "zb_clk")) + goto found; + + of_node_put(clkspec.np); + i++; + } + + return 0; + +found: + clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); + + if (IS_ERR(clk)) + return PTR_ERR(clk); + + error = pm_clk_create(dev); + if (error) + goto fail_put; + + error = pm_clk_add_clk(dev, clk); + if (error) + goto fail_destroy; + + return 0; + +fail_destroy: + pm_clk_destroy(dev); +fail_put: + clk_put(clk); + return error; +} + +void cpg_mstp_detach_dev(struct generic_pm_domain *unused, struct device *dev) +{ + if (!pm_clk_no_clocks(dev)) + pm_clk_destroy(dev); +} + +static struct device_node *cpg_mstp_pd_np __initdata = NULL; +static struct generic_pm_domain *cpg_mstp_pd_genpd __initdata = NULL; + +void __init cpg_mstp_add_clk_domain(struct device_node *np) +{ + struct generic_pm_domain *pd; + u32 ncells; + + if (of_property_read_u32(np, "#power-domain-cells", &ncells)) { + pr_warn("%pOF lacks #power-domain-cells\n", np); + return; + } + + pd = kzalloc_obj(*pd); + if (!pd) + return; + + pd->name = np->name; + pd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ALWAYS_ON | + GENPD_FLAG_ACTIVE_WAKEUP; + pd->attach_dev = cpg_mstp_attach_dev; + pd->detach_dev = cpg_mstp_detach_dev; + pm_genpd_init(pd, &pm_domain_always_on_gov, false); + + cpg_mstp_pd_np = of_node_get(np); + cpg_mstp_pd_genpd = pd; +} + +static int __init cpg_mstp_pd_init_provider(void) +{ + int error; + + if (!cpg_mstp_pd_np) + return -ENODEV; + + error = of_genpd_add_provider_simple(cpg_mstp_pd_np, cpg_mstp_pd_genpd); + + of_node_put(cpg_mstp_pd_np); + return error; +} +postcore_initcall(cpg_mstp_pd_init_provider); diff --git a/drivers/clk/renesas/clk-r8a73a4.c b/drivers/clk/renesas/clk-r8a73a4.c new file mode 100644 index 000000000..1a2bbc5e9 --- /dev/null +++ b/drivers/clk/renesas/clk-r8a73a4.c @@ -0,0 +1,237 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a73a4 Core CPG Clocks + * + * Copyright (C) 2014 Ulrich Hecht + */ + +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/spinlock.h> + +struct r8a73a4_cpg { + struct clk_onecell_data data; + spinlock_t lock; +}; + +#define CPG_CKSCR 0xc0 +#define CPG_FRQCRA 0x00 +#define CPG_FRQCRB 0x04 +#define CPG_FRQCRC 0xe0 +#define CPG_PLL0CR 0xd8 +#define CPG_PLL1CR 0x28 +#define CPG_PLL2CR 0x2c +#define CPG_PLL2HCR 0xe4 +#define CPG_PLL2SCR 0xf4 + +struct div4_clk { + const char *name; + unsigned int reg; + unsigned int shift; +}; + +static struct div4_clk div4_clks[] = { + { "i", CPG_FRQCRA, 20 }, + { "m3", CPG_FRQCRA, 12 }, + { "b", CPG_FRQCRA, 8 }, + { "m1", CPG_FRQCRA, 4 }, + { "m2", CPG_FRQCRA, 0 }, + { "ztr", CPG_FRQCRB, 20 }, + { "zt", CPG_FRQCRB, 16 }, + { "zx", CPG_FRQCRB, 12 }, + { "zs", CPG_FRQCRB, 8 }, + { "hp", CPG_FRQCRB, 4 }, + { NULL, 0, 0 }, +}; + +static const struct clk_div_table div4_div_table[] = { + { 0, 2 }, { 1, 3 }, { 2, 4 }, { 3, 6 }, { 4, 8 }, { 5, 12 }, + { 6, 16 }, { 7, 18 }, { 8, 24 }, { 10, 36 }, { 11, 48 }, + { 12, 10 }, { 0, 0 } +}; + +static struct clk * __init +r8a73a4_cpg_register_clock(struct device_node *np, struct r8a73a4_cpg *cpg, + void __iomem *base, const char *name) +{ + const struct clk_div_table *table = NULL; + const char *parent_name; + unsigned int shift, reg; + unsigned int mult = 1; + unsigned int div = 1; + + if (!strcmp(name, "main")) { + u32 ckscr = readl(base + CPG_CKSCR); + + switch ((ckscr >> 28) & 3) { + case 0: /* extal1 */ + parent_name = of_clk_get_parent_name(np, 0); + break; + case 1: /* extal1 / 2 */ + parent_name = of_clk_get_parent_name(np, 0); + div = 2; + break; + case 2: /* extal2 */ + parent_name = of_clk_get_parent_name(np, 1); + break; + case 3: /* extal2 / 2 */ + parent_name = of_clk_get_parent_name(np, 1); + div = 2; + break; + } + } else if (!strcmp(name, "pll0")) { + /* PLL0/1 are configurable multiplier clocks. Register them as + * fixed factor clocks for now as there's no generic multiplier + * clock implementation and we currently have no need to change + * the multiplier value. + */ + u32 value = readl(base + CPG_PLL0CR); + + parent_name = "main"; + mult = ((value >> 24) & 0x7f) + 1; + if (value & BIT(20)) + div = 2; + } else if (!strcmp(name, "pll1")) { + u32 value = readl(base + CPG_PLL1CR); + + parent_name = "main"; + /* XXX: enable bit? */ + mult = ((value >> 24) & 0x7f) + 1; + if (value & BIT(7)) + div = 2; + } else if (!strncmp(name, "pll2", 4)) { + u32 value, cr; + + switch (name[4]) { + case 0: + cr = CPG_PLL2CR; + break; + case 's': + cr = CPG_PLL2SCR; + break; + case 'h': + cr = CPG_PLL2HCR; + break; + default: + return ERR_PTR(-EINVAL); + } + value = readl(base + cr); + switch ((value >> 5) & 7) { + case 0: + parent_name = "main"; + div = 2; + break; + case 1: + parent_name = "extal2"; + div = 2; + break; + case 3: + parent_name = "extal2"; + div = 4; + break; + case 4: + parent_name = "main"; + break; + case 5: + parent_name = "extal2"; + break; + default: + pr_warn("%s: unexpected parent of %s\n", __func__, + name); + return ERR_PTR(-EINVAL); + } + /* XXX: enable bit? */ + mult = ((value >> 24) & 0x7f) + 1; + } else if (!strcmp(name, "z") || !strcmp(name, "z2")) { + u32 shift = 8; + + parent_name = "pll0"; + if (name[1] == '2') { + div = 2; + shift = 0; + } + div *= 32; + mult = 0x20 - ((readl(base + CPG_FRQCRC) >> shift) & 0x1f); + } else { + struct div4_clk *c; + + for (c = div4_clks; c->name; c++) { + if (!strcmp(name, c->name)) + break; + } + if (!c->name) + return ERR_PTR(-EINVAL); + + parent_name = "pll1"; + table = div4_div_table; + reg = c->reg; + shift = c->shift; + } + + if (!table) { + return clk_register_fixed_factor(NULL, name, parent_name, 0, + mult, div); + } else { + return clk_register_divider_table(NULL, name, parent_name, 0, + base + reg, shift, 4, 0, + table, &cpg->lock); + } +} + +static void __init r8a73a4_cpg_clocks_init(struct device_node *np) +{ + struct r8a73a4_cpg *cpg; + void __iomem *base; + struct clk **clks; + unsigned int i; + int num_clks; + + num_clks = of_property_count_strings(np, "clock-output-names"); + if (num_clks < 0) { + pr_err("%s: failed to count clocks\n", __func__); + return; + } + + cpg = kzalloc_obj(*cpg); + clks = kzalloc_objs(*clks, num_clks); + if (cpg == NULL || clks == NULL) { + /* We're leaking memory on purpose, there's no point in cleaning + * up as the system won't boot anyway. + */ + return; + } + + spin_lock_init(&cpg->lock); + + cpg->data.clks = clks; + cpg->data.clk_num = num_clks; + + base = of_iomap(np, 0); + if (WARN_ON(base == NULL)) + return; + + for (i = 0; i < num_clks; ++i) { + const char *name; + struct clk *clk; + + of_property_read_string_index(np, "clock-output-names", i, + &name); + + clk = r8a73a4_cpg_register_clock(np, cpg, base, name); + if (IS_ERR(clk)) + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); + else + cpg->data.clks[i] = clk; + } + + of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data); +} +CLK_OF_DECLARE(r8a73a4_cpg_clks, "renesas,r8a73a4-cpg-clocks", + r8a73a4_cpg_clocks_init); diff --git a/drivers/clk/renesas/clk-r8a7740.c b/drivers/clk/renesas/clk-r8a7740.c new file mode 100644 index 000000000..31a796745 --- /dev/null +++ b/drivers/clk/renesas/clk-r8a7740.c @@ -0,0 +1,196 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7740 Core CPG Clocks + * + * Copyright (C) 2014 Ulrich Hecht + */ + +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/spinlock.h> + +struct r8a7740_cpg { + struct clk_onecell_data data; + spinlock_t lock; +}; + +#define CPG_FRQCRA 0x00 +#define CPG_FRQCRB 0x04 +#define CPG_PLLC2CR 0x2c +#define CPG_USBCKCR 0x8c +#define CPG_FRQCRC 0xe0 + +struct div4_clk { + const char *name; + unsigned int reg; + unsigned int shift; +}; + +static struct div4_clk div4_clks[] = { + { "i", CPG_FRQCRA, 20 }, + { "zg", CPG_FRQCRA, 16 }, + { "b", CPG_FRQCRA, 8 }, + { "m1", CPG_FRQCRA, 4 }, + { "ztr", CPG_FRQCRB, 20 }, + { "zt", CPG_FRQCRB, 16 }, + { "hp", CPG_FRQCRB, 4 }, + { "hpp", CPG_FRQCRC, 20 }, + { "usbp", CPG_FRQCRC, 16 }, + { "s", CPG_FRQCRC, 12 }, + { "zb", CPG_FRQCRC, 8 }, + { "m3", CPG_FRQCRC, 4 }, + { "cp", CPG_FRQCRC, 0 }, + { NULL, 0, 0 }, +}; + +static const struct clk_div_table div4_div_table[] = { + { 0, 2 }, { 1, 3 }, { 2, 4 }, { 3, 6 }, { 4, 8 }, { 5, 12 }, + { 6, 16 }, { 7, 18 }, { 8, 24 }, { 9, 32 }, { 10, 36 }, { 11, 48 }, + { 13, 72 }, { 14, 96 }, { 0, 0 } +}; + +static u32 cpg_mode __initdata; + +static struct clk * __init +r8a7740_cpg_register_clock(struct device_node *np, struct r8a7740_cpg *cpg, + void __iomem *base, const char *name) +{ + const struct clk_div_table *table = NULL; + const char *parent_name; + unsigned int shift, reg; + unsigned int mult = 1; + unsigned int div = 1; + + if (!strcmp(name, "r")) { + switch (cpg_mode & (BIT(2) | BIT(1))) { + case BIT(1) | BIT(2): + /* extal1 */ + parent_name = of_clk_get_parent_name(np, 0); + div = 2048; + break; + case BIT(2): + /* extal1 */ + parent_name = of_clk_get_parent_name(np, 0); + div = 1024; + break; + default: + /* extalr */ + parent_name = of_clk_get_parent_name(np, 2); + break; + } + } else if (!strcmp(name, "system")) { + parent_name = of_clk_get_parent_name(np, 0); + if (cpg_mode & BIT(1)) + div = 2; + } else if (!strcmp(name, "pllc0")) { + /* PLLC0/1 are configurable multiplier clocks. Register them as + * fixed factor clocks for now as there's no generic multiplier + * clock implementation and we currently have no need to change + * the multiplier value. + */ + u32 value = readl(base + CPG_FRQCRC); + parent_name = "system"; + mult = ((value >> 24) & 0x7f) + 1; + } else if (!strcmp(name, "pllc1")) { + u32 value = readl(base + CPG_FRQCRA); + parent_name = "system"; + mult = ((value >> 24) & 0x7f) + 1; + div = 2; + } else if (!strcmp(name, "pllc2")) { + u32 value = readl(base + CPG_PLLC2CR); + parent_name = "system"; + mult = ((value >> 24) & 0x3f) + 1; + } else if (!strcmp(name, "usb24s")) { + u32 value = readl(base + CPG_USBCKCR); + if (value & BIT(7)) + /* extal2 */ + parent_name = of_clk_get_parent_name(np, 1); + else + parent_name = "system"; + if (!(value & BIT(6))) + div = 2; + } else { + struct div4_clk *c; + for (c = div4_clks; c->name; c++) { + if (!strcmp(name, c->name)) { + parent_name = "pllc1"; + table = div4_div_table; + reg = c->reg; + shift = c->shift; + break; + } + } + if (!c->name) + return ERR_PTR(-EINVAL); + } + + if (!table) { + return clk_register_fixed_factor(NULL, name, parent_name, 0, + mult, div); + } else { + return clk_register_divider_table(NULL, name, parent_name, 0, + base + reg, shift, 4, 0, + table, &cpg->lock); + } +} + +static void __init r8a7740_cpg_clocks_init(struct device_node *np) +{ + struct r8a7740_cpg *cpg; + void __iomem *base; + struct clk **clks; + unsigned int i; + int num_clks; + + if (of_property_read_u32(np, "renesas,mode", &cpg_mode)) + pr_warn("%s: missing renesas,mode property\n", __func__); + + num_clks = of_property_count_strings(np, "clock-output-names"); + if (num_clks < 0) { + pr_err("%s: failed to count clocks\n", __func__); + return; + } + + cpg = kzalloc_obj(*cpg); + clks = kzalloc_objs(*clks, num_clks); + if (cpg == NULL || clks == NULL) { + /* We're leaking memory on purpose, there's no point in cleaning + * up as the system won't boot anyway. + */ + return; + } + + spin_lock_init(&cpg->lock); + + cpg->data.clks = clks; + cpg->data.clk_num = num_clks; + + base = of_iomap(np, 0); + if (WARN_ON(base == NULL)) + return; + + for (i = 0; i < num_clks; ++i) { + const char *name; + struct clk *clk; + + of_property_read_string_index(np, "clock-output-names", i, + &name); + + clk = r8a7740_cpg_register_clock(np, cpg, base, name); + if (IS_ERR(clk)) + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); + else + cpg->data.clks[i] = clk; + } + + of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data); +} +CLK_OF_DECLARE(r8a7740_cpg_clks, "renesas,r8a7740-cpg-clocks", + r8a7740_cpg_clocks_init); diff --git a/drivers/clk/renesas/clk-r8a7778.c b/drivers/clk/renesas/clk-r8a7778.c new file mode 100644 index 000000000..9120f86fc --- /dev/null +++ b/drivers/clk/renesas/clk-r8a7778.c @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7778 Core CPG Clocks + * + * Copyright (C) 2014 Ulrich Hecht + */ + +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/of_address.h> +#include <linux/slab.h> +#include <linux/soc/renesas/rcar-rst.h> + +/* PLL multipliers per bits 11, 12, and 18 of MODEMR */ +static const struct { + unsigned long plla_mult; + unsigned long pllb_mult; +} r8a7778_rates[] __initconst = { + [0] = { 21, 21 }, + [1] = { 24, 24 }, + [2] = { 28, 28 }, + [3] = { 32, 32 }, + [5] = { 24, 21 }, + [6] = { 28, 21 }, + [7] = { 32, 24 }, +}; + +/* Clock dividers per bits 1 and 2 of MODEMR */ +static const struct { + const char *name; + unsigned int div[4]; +} r8a7778_divs[6] __initconst = { + { "b", { 12, 12, 16, 18 } }, + { "out", { 12, 12, 16, 18 } }, + { "p", { 16, 12, 16, 12 } }, + { "s", { 4, 3, 4, 3 } }, + { "s1", { 8, 6, 8, 6 } }, +}; + +static u32 cpg_mode_rates __initdata; +static u32 cpg_mode_divs __initdata; + +static struct clk * __init +r8a7778_cpg_register_clock(struct device_node *np, const char *name) +{ + if (!strcmp(name, "plla")) { + return clk_register_fixed_factor(NULL, "plla", + of_clk_get_parent_name(np, 0), 0, + r8a7778_rates[cpg_mode_rates].plla_mult, 1); + } else if (!strcmp(name, "pllb")) { + return clk_register_fixed_factor(NULL, "pllb", + of_clk_get_parent_name(np, 0), 0, + r8a7778_rates[cpg_mode_rates].pllb_mult, 1); + } else { + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(r8a7778_divs); i++) { + if (!strcmp(name, r8a7778_divs[i].name)) { + return clk_register_fixed_factor(NULL, + r8a7778_divs[i].name, + "plla", 0, 1, + r8a7778_divs[i].div[cpg_mode_divs]); + } + } + } + + return ERR_PTR(-EINVAL); +} + +static void __init r8a7778_cpg_clocks_init(struct device_node *np) +{ + struct clk_onecell_data *data; + struct clk **clks; + unsigned int i; + int num_clks; + u32 mode; + + if (rcar_rst_read_mode_pins(&mode)) + return; + + BUG_ON(!(mode & BIT(19))); + + cpg_mode_rates = (!!(mode & BIT(18)) << 2) | + (!!(mode & BIT(12)) << 1) | + (!!(mode & BIT(11))); + cpg_mode_divs = (!!(mode & BIT(2)) << 1) | + (!!(mode & BIT(1))); + + num_clks = of_property_count_strings(np, "clock-output-names"); + if (num_clks < 0) { + pr_err("%s: failed to count clocks\n", __func__); + return; + } + + data = kzalloc_obj(*data); + clks = kzalloc_objs(*clks, num_clks); + if (data == NULL || clks == NULL) { + /* We're leaking memory on purpose, there's no point in cleaning + * up as the system won't boot anyway. + */ + return; + } + + data->clks = clks; + data->clk_num = num_clks; + + for (i = 0; i < num_clks; ++i) { + const char *name; + struct clk *clk; + + of_property_read_string_index(np, "clock-output-names", i, + &name); + + clk = r8a7778_cpg_register_clock(np, name); + if (IS_ERR(clk)) + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); + else + data->clks[i] = clk; + } + + of_clk_add_provider(np, of_clk_src_onecell_get, data); + + cpg_mstp_add_clk_domain(np); +} + +CLK_OF_DECLARE(r8a7778_cpg_clks, "renesas,r8a7778-cpg-clocks", + r8a7778_cpg_clocks_init); diff --git a/drivers/clk/renesas/clk-r8a7779.c b/drivers/clk/renesas/clk-r8a7779.c new file mode 100644 index 000000000..f2d6cbaf6 --- /dev/null +++ b/drivers/clk/renesas/clk-r8a7779.c @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7779 Core CPG Clocks + * + * Copyright (C) 2013, 2014 Horms Solutions Ltd. + * + * Contact: Simon Horman <horms@verge.net.au> + */ + +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7779-clock.h> + +#define CPG_NUM_CLOCKS (R8A7779_CLK_OUT + 1) + +/* ----------------------------------------------------------------------------- + * CPG Clock Data + */ + +/* + * MD1 = 1 MD1 = 0 + * (PLLA = 1500) (PLLA = 1600) + * (MHz) (MHz) + *------------------------------------------------+-------------------- + * clkz 1000 (2/3) 800 (1/2) + * clkzs 250 (1/6) 200 (1/8) + * clki 750 (1/2) 800 (1/2) + * clks 250 (1/6) 200 (1/8) + * clks1 125 (1/12) 100 (1/16) + * clks3 187.5 (1/8) 200 (1/8) + * clks4 93.7 (1/16) 100 (1/16) + * clkp 62.5 (1/24) 50 (1/32) + * clkg 62.5 (1/24) 66.6 (1/24) + * clkb, CLKOUT + * (MD2 = 0) 62.5 (1/24) 66.6 (1/24) + * (MD2 = 1) 41.6 (1/36) 50 (1/32) + */ + +#define CPG_CLK_CONFIG_INDEX(md) (((md) & (BIT(2)|BIT(1))) >> 1) + +struct cpg_clk_config { + unsigned int z_mult; + unsigned int z_div; + unsigned int zs_and_s_div; + unsigned int s1_div; + unsigned int p_div; + unsigned int b_and_out_div; +}; + +static const struct cpg_clk_config cpg_clk_configs[4] __initconst = { + { 1, 2, 8, 16, 32, 24 }, + { 2, 3, 6, 12, 24, 24 }, + { 1, 2, 8, 16, 32, 32 }, + { 2, 3, 6, 12, 24, 36 }, +}; + +/* + * MD PLLA Ratio + * 12 11 + *------------------------ + * 0 0 x42 + * 0 1 x48 + * 1 0 x56 + * 1 1 x64 + */ + +#define CPG_PLLA_MULT_INDEX(md) (((md) & (BIT(12)|BIT(11))) >> 11) + +static const unsigned int cpg_plla_mult[4] __initconst = { 42, 48, 56, 64 }; + +/* ----------------------------------------------------------------------------- + * Initialization + */ + +static struct clk * __init +r8a7779_cpg_register_clock(struct device_node *np, + const struct cpg_clk_config *config, + unsigned int plla_mult, const char *name) +{ + const char *parent_name = "plla"; + unsigned int mult = 1; + unsigned int div = 1; + + if (!strcmp(name, "plla")) { + parent_name = of_clk_get_parent_name(np, 0); + mult = plla_mult; + } else if (!strcmp(name, "z")) { + div = config->z_div; + mult = config->z_mult; + } else if (!strcmp(name, "zs") || !strcmp(name, "s")) { + div = config->zs_and_s_div; + } else if (!strcmp(name, "s1")) { + div = config->s1_div; + } else if (!strcmp(name, "p")) { + div = config->p_div; + } else if (!strcmp(name, "b") || !strcmp(name, "out")) { + div = config->b_and_out_div; + } else { + return ERR_PTR(-EINVAL); + } + + return clk_register_fixed_factor(NULL, name, parent_name, 0, mult, div); +} + +static void __init r8a7779_cpg_clocks_init(struct device_node *np) +{ + const struct cpg_clk_config *config; + struct clk_onecell_data *data; + struct clk **clks; + unsigned int i, plla_mult; + int num_clks; + u32 mode; + + if (rcar_rst_read_mode_pins(&mode)) + return; + + num_clks = of_property_count_strings(np, "clock-output-names"); + if (num_clks < 0) { + pr_err("%s: failed to count clocks\n", __func__); + return; + } + + data = kzalloc_obj(*data); + clks = kzalloc_objs(*clks, CPG_NUM_CLOCKS); + if (data == NULL || clks == NULL) { + /* We're leaking memory on purpose, there's no point in cleaning + * up as the system won't boot anyway. + */ + return; + } + + data->clks = clks; + data->clk_num = num_clks; + + config = &cpg_clk_configs[CPG_CLK_CONFIG_INDEX(mode)]; + plla_mult = cpg_plla_mult[CPG_PLLA_MULT_INDEX(mode)]; + + for (i = 0; i < num_clks; ++i) { + const char *name; + struct clk *clk; + + of_property_read_string_index(np, "clock-output-names", i, + &name); + + clk = r8a7779_cpg_register_clock(np, config, plla_mult, name); + if (IS_ERR(clk)) + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); + else + data->clks[i] = clk; + } + + of_clk_add_provider(np, of_clk_src_onecell_get, data); + + cpg_mstp_add_clk_domain(np); +} +CLK_OF_DECLARE(r8a7779_cpg_clks, "renesas,r8a7779-cpg-clocks", + r8a7779_cpg_clocks_init); diff --git a/drivers/clk/renesas/clk-rz.c b/drivers/clk/renesas/clk-rz.c new file mode 100644 index 000000000..5347c067e --- /dev/null +++ b/drivers/clk/renesas/clk-rz.c @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/A1 Core CPG Clocks + * + * Copyright (C) 2013 Ideas On Board SPRL + * Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com> + */ + +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/slab.h> + +#define CPG_FRQCR 0x10 +#define CPG_FRQCR2 0x14 + +#define PPR0 0xFCFE3200 +#define PIBC0 0xFCFE7000 + +#define MD_CLK(x) ((x >> 2) & 1) /* P0_2 */ + +/* ----------------------------------------------------------------------------- + * Initialization + */ + +static u16 __init rz_cpg_read_mode_pins(void) +{ + void __iomem *ppr0, *pibc0; + u16 modes; + + ppr0 = ioremap(PPR0, 2); + pibc0 = ioremap(PIBC0, 2); + BUG_ON(!ppr0 || !pibc0); + iowrite16(4, pibc0); /* enable input buffer */ + modes = ioread16(ppr0); + iounmap(ppr0); + iounmap(pibc0); + + return modes; +} + +static struct clk * __init +rz_cpg_register_clock(struct device_node *np, void __iomem *base, + const char *name) +{ + u32 val; + unsigned mult; + static const unsigned frqcr_tab[4] = { 3, 2, 0, 1 }; + + if (strcmp(name, "pll") == 0) { + unsigned int cpg_mode = MD_CLK(rz_cpg_read_mode_pins()); + const char *parent_name = of_clk_get_parent_name(np, cpg_mode); + + mult = cpg_mode ? (32 / 4) : 30; + + return clk_register_fixed_factor(NULL, name, parent_name, 0, mult, 1); + } + + /* If mapping regs failed, skip non-pll clocks. System will boot anyhow */ + if (!base) + return ERR_PTR(-ENXIO); + + /* FIXME:"i" and "g" are variable clocks with non-integer dividers (e.g. 2/3) + * and the constraint that always g <= i. To get the rz platform started, + * let them run at fixed current speed and implement the details later. + */ + if (strcmp(name, "i") == 0) + val = (readl(base + CPG_FRQCR) >> 8) & 3; + else if (strcmp(name, "g") == 0) + val = readl(base + CPG_FRQCR2) & 3; + else + return ERR_PTR(-EINVAL); + + mult = frqcr_tab[val]; + return clk_register_fixed_factor(NULL, name, "pll", 0, mult, 3); +} + +static void __init rz_cpg_clocks_init(struct device_node *np) +{ + struct clk_onecell_data *data; + struct clk **clks; + void __iomem *base; + unsigned i; + int num_clks; + + num_clks = of_property_count_strings(np, "clock-output-names"); + if (WARN(num_clks <= 0, "can't count CPG clocks\n")) + return; + + data = kzalloc_obj(*data); + clks = kzalloc_objs(*clks, num_clks); + BUG_ON(!data || !clks); + + data->clks = clks; + data->clk_num = num_clks; + + base = of_iomap(np, 0); + + for (i = 0; i < num_clks; ++i) { + const char *name; + struct clk *clk; + + of_property_read_string_index(np, "clock-output-names", i, &name); + + clk = rz_cpg_register_clock(np, base, name); + if (IS_ERR(clk)) + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); + else + data->clks[i] = clk; + } + + of_clk_add_provider(np, of_clk_src_onecell_get, data); + + cpg_mstp_add_clk_domain(np); +} +CLK_OF_DECLARE(rz_cpg_clks, "renesas,rz-cpg-clocks", rz_cpg_clocks_init); diff --git a/drivers/clk/renesas/clk-sh73a0.c b/drivers/clk/renesas/clk-sh73a0.c new file mode 100644 index 000000000..efae041ac --- /dev/null +++ b/drivers/clk/renesas/clk-sh73a0.c @@ -0,0 +1,214 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * sh73a0 Core CPG Clocks + * + * Copyright (C) 2014 Ulrich Hecht + */ + +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +struct sh73a0_cpg { + struct clk_onecell_data data; + spinlock_t lock; +}; + +#define CPG_FRQCRA 0x00 +#define CPG_FRQCRB 0x04 +#define CPG_SD0CKCR 0x74 +#define CPG_SD1CKCR 0x78 +#define CPG_SD2CKCR 0x7c +#define CPG_PLLECR 0xd0 +#define CPG_PLL0CR 0xd8 +#define CPG_PLL1CR 0x28 +#define CPG_PLL2CR 0x2c +#define CPG_PLL3CR 0xdc +#define CPG_CKSCR 0xc0 +#define CPG_DSI0PHYCR 0x6c +#define CPG_DSI1PHYCR 0x70 + +struct div4_clk { + const char *name; + const char *parent; + unsigned int reg; + unsigned int shift; +}; + +static const struct div4_clk div4_clks[] = { + { "zg", "pll0", CPG_FRQCRA, 16 }, + { "m3", "pll1", CPG_FRQCRA, 12 }, + { "b", "pll1", CPG_FRQCRA, 8 }, + { "m1", "pll1", CPG_FRQCRA, 4 }, + { "m2", "pll1", CPG_FRQCRA, 0 }, + { "zx", "pll1", CPG_FRQCRB, 12 }, + { "hp", "pll1", CPG_FRQCRB, 4 }, + { NULL, NULL, 0, 0 }, +}; + +static const struct clk_div_table div4_div_table[] = { + { 0, 2 }, { 1, 3 }, { 2, 4 }, { 3, 6 }, { 4, 8 }, { 5, 12 }, + { 6, 16 }, { 7, 18 }, { 8, 24 }, { 10, 36 }, { 11, 48 }, + { 12, 7 }, { 0, 0 } +}; + +static const struct clk_div_table z_div_table[] = { + /* ZSEL == 0 */ + { 0, 1 }, { 1, 1 }, { 2, 1 }, { 3, 1 }, { 4, 1 }, { 5, 1 }, + { 6, 1 }, { 7, 1 }, { 8, 1 }, { 9, 1 }, { 10, 1 }, { 11, 1 }, + { 12, 1 }, { 13, 1 }, { 14, 1 }, { 15, 1 }, + /* ZSEL == 1 */ + { 16, 2 }, { 17, 3 }, { 18, 4 }, { 19, 6 }, { 20, 8 }, { 21, 12 }, + { 22, 16 }, { 24, 24 }, { 27, 48 }, { 0, 0 } +}; + +static struct clk * __init +sh73a0_cpg_register_clock(struct device_node *np, struct sh73a0_cpg *cpg, + void __iomem *base, const char *name) +{ + const struct clk_div_table *table = NULL; + unsigned int shift, reg, width; + const char *parent_name = NULL; + unsigned int mult = 1; + unsigned int div = 1; + + if (!strcmp(name, "main")) { + /* extal1, extal1_div2, extal2, extal2_div2 */ + u32 parent_idx = (readl(base + CPG_CKSCR) >> 28) & 3; + + parent_name = of_clk_get_parent_name(np, parent_idx >> 1); + div = (parent_idx & 1) + 1; + } else if (!strncmp(name, "pll", 3)) { + void __iomem *enable_reg = base; + u32 enable_bit = name[3] - '0'; + + parent_name = "main"; + switch (enable_bit) { + case 0: + enable_reg += CPG_PLL0CR; + break; + case 1: + enable_reg += CPG_PLL1CR; + break; + case 2: + enable_reg += CPG_PLL2CR; + break; + case 3: + enable_reg += CPG_PLL3CR; + break; + default: + return ERR_PTR(-EINVAL); + } + if (readl(base + CPG_PLLECR) & BIT(enable_bit)) { + mult = ((readl(enable_reg) >> 24) & 0x3f) + 1; + /* handle CFG bit for PLL1 and PLL2 */ + if (enable_bit == 1 || enable_bit == 2) + if (readl(enable_reg) & BIT(20)) + mult *= 2; + } + } else if (!strcmp(name, "dsi0phy") || !strcmp(name, "dsi1phy")) { + u32 phy_no = name[3] - '0'; + void __iomem *dsi_reg = base + + (phy_no ? CPG_DSI1PHYCR : CPG_DSI0PHYCR); + + parent_name = phy_no ? "dsi1pck" : "dsi0pck"; + mult = readl(dsi_reg); + if (!(mult & 0x8000)) + mult = 1; + else + mult = (mult & 0x3f) + 1; + } else if (!strcmp(name, "z")) { + parent_name = "pll0"; + table = z_div_table; + reg = CPG_FRQCRB; + shift = 24; + width = 5; + } else { + const struct div4_clk *c; + + for (c = div4_clks; c->name; c++) { + if (!strcmp(name, c->name)) { + parent_name = c->parent; + table = div4_div_table; + reg = c->reg; + shift = c->shift; + width = 4; + break; + } + } + if (!c->name) + return ERR_PTR(-EINVAL); + } + + if (!table) { + return clk_register_fixed_factor(NULL, name, parent_name, 0, + mult, div); + } else { + return clk_register_divider_table(NULL, name, parent_name, 0, + base + reg, shift, width, 0, + table, &cpg->lock); + } +} + +static void __init sh73a0_cpg_clocks_init(struct device_node *np) +{ + struct sh73a0_cpg *cpg; + void __iomem *base; + struct clk **clks; + unsigned int i; + int num_clks; + + num_clks = of_property_count_strings(np, "clock-output-names"); + if (num_clks < 0) { + pr_err("%s: failed to count clocks\n", __func__); + return; + } + + cpg = kzalloc_obj(*cpg); + clks = kzalloc_objs(*clks, num_clks); + if (cpg == NULL || clks == NULL) { + /* We're leaking memory on purpose, there's no point in cleaning + * up as the system won't boot anyway. + */ + return; + } + + spin_lock_init(&cpg->lock); + + cpg->data.clks = clks; + cpg->data.clk_num = num_clks; + + base = of_iomap(np, 0); + if (WARN_ON(base == NULL)) + return; + + /* Set SDHI clocks to a known state */ + writel(0x108, base + CPG_SD0CKCR); + writel(0x108, base + CPG_SD1CKCR); + writel(0x108, base + CPG_SD2CKCR); + + for (i = 0; i < num_clks; ++i) { + const char *name; + struct clk *clk; + + of_property_read_string_index(np, "clock-output-names", i, + &name); + + clk = sh73a0_cpg_register_clock(np, cpg, base, name); + if (IS_ERR(clk)) + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); + else + cpg->data.clks[i] = clk; + } + + of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data); +} +CLK_OF_DECLARE(sh73a0_cpg_clks, "renesas,sh73a0-cpg-clocks", + sh73a0_cpg_clocks_init); diff --git a/drivers/clk/renesas/clk-vbattb.c b/drivers/clk/renesas/clk-vbattb.c new file mode 100644 index 000000000..bd97a68be --- /dev/null +++ b/drivers/clk/renesas/clk-vbattb.c @@ -0,0 +1,204 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * VBATTB clock driver + * + * Copyright (C) 2024 Renesas Electronics Corp. + */ + +#include <linux/cleanup.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/reset.h> + +#include <dt-bindings/clock/renesas,r9a08g045-vbattb.h> + +#define VBATTB_BKSCCR 0x1c +#define VBATTB_BKSCCR_SOSEL 6 +#define VBATTB_SOSCCR2 0x24 +#define VBATTB_SOSCCR2_SOSTP2 0 +#define VBATTB_XOSCCR 0x30 +#define VBATTB_XOSCCR_OUTEN 16 +#define VBATTB_XOSCCR_XSEL GENMASK(1, 0) +#define VBATTB_XOSCCR_XSEL_4_PF 0x0 +#define VBATTB_XOSCCR_XSEL_7_PF 0x1 +#define VBATTB_XOSCCR_XSEL_9_PF 0x2 +#define VBATTB_XOSCCR_XSEL_12_5_PF 0x3 + +/** + * struct vbattb_clk - VBATTB clock data structure + * @base: base address + * @lock: lock + */ +struct vbattb_clk { + void __iomem *base; + spinlock_t lock; +}; + +static int vbattb_clk_validate_load_capacitance(u32 *reg_lc, u32 of_lc) +{ + switch (of_lc) { + case 4000: + *reg_lc = VBATTB_XOSCCR_XSEL_4_PF; + break; + case 7000: + *reg_lc = VBATTB_XOSCCR_XSEL_7_PF; + break; + case 9000: + *reg_lc = VBATTB_XOSCCR_XSEL_9_PF; + break; + case 12500: + *reg_lc = VBATTB_XOSCCR_XSEL_12_5_PF; + break; + default: + return -EINVAL; + } + + return 0; +} + +static void vbattb_clk_action(void *data) +{ + struct device *dev = data; + struct reset_control *rstc = dev_get_drvdata(dev); + int ret; + + ret = reset_control_assert(rstc); + if (ret) + dev_err(dev, "Failed to de-assert reset!\n"); + + ret = pm_runtime_put_sync(dev); + if (ret < 0) + dev_err(dev, "Failed to runtime suspend!\n"); + + of_clk_del_provider(dev->of_node); +} + +static int vbattb_clk_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct clk_parent_data parent_data = {}; + struct clk_hw_onecell_data *clk_data; + const struct clk_hw *parent_hws[2]; + struct device *dev = &pdev->dev; + struct reset_control *rstc; + struct vbattb_clk *vbclk; + u32 of_lc, reg_lc; + struct clk_hw *hw; + /* 4 clocks are exported: VBATTB_XC, VBATTB_XBYP, VBATTB_MUX, VBATTB_VBATTCLK. */ + u8 num_clks = 4; + int ret; + + /* Default to 4pF as this is not needed if external clock device is connected. */ + of_lc = 4000; + of_property_read_u32(np, "quartz-load-femtofarads", &of_lc); + + ret = vbattb_clk_validate_load_capacitance(®_lc, of_lc); + if (ret) + return ret; + + vbclk = devm_kzalloc(dev, sizeof(*vbclk), GFP_KERNEL); + if (!vbclk) + return -ENOMEM; + + clk_data = devm_kzalloc(dev, struct_size(clk_data, hws, num_clks), GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + clk_data->num = num_clks; + + vbclk->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(vbclk->base)) + return PTR_ERR(vbclk->base); + + ret = devm_pm_runtime_enable(dev); + if (ret) + return ret; + + rstc = devm_reset_control_get_shared(dev, NULL); + if (IS_ERR(rstc)) + return PTR_ERR(rstc); + + ret = pm_runtime_resume_and_get(dev); + if (ret) + return ret; + + ret = reset_control_deassert(rstc); + if (ret) { + pm_runtime_put_sync(dev); + return ret; + } + + dev_set_drvdata(dev, rstc); + ret = devm_add_action_or_reset(dev, vbattb_clk_action, dev); + if (ret) + return ret; + + spin_lock_init(&vbclk->lock); + + parent_data.fw_name = "rtx"; + hw = devm_clk_hw_register_gate_parent_data(dev, "xc", &parent_data, 0, + vbclk->base + VBATTB_SOSCCR2, + VBATTB_SOSCCR2_SOSTP2, + CLK_GATE_SET_TO_DISABLE, &vbclk->lock); + if (IS_ERR(hw)) + return PTR_ERR(hw); + clk_data->hws[VBATTB_XC] = hw; + + hw = devm_clk_hw_register_fixed_factor_fwname(dev, np, "xbyp", "rtx", 0, 1, 1); + if (IS_ERR(hw)) + return PTR_ERR(hw); + clk_data->hws[VBATTB_XBYP] = hw; + + parent_hws[0] = clk_data->hws[VBATTB_XC]; + parent_hws[1] = clk_data->hws[VBATTB_XBYP]; + hw = devm_clk_hw_register_mux_parent_hws(dev, "mux", parent_hws, 2, 0, + vbclk->base + VBATTB_BKSCCR, + VBATTB_BKSCCR_SOSEL, + 1, 0, &vbclk->lock); + if (IS_ERR(hw)) + return PTR_ERR(hw); + clk_data->hws[VBATTB_MUX] = hw; + + /* Set load capacitance before registering the VBATTCLK clock. */ + scoped_guard(spinlock, &vbclk->lock) { + u32 val = readl_relaxed(vbclk->base + VBATTB_XOSCCR); + + val &= ~VBATTB_XOSCCR_XSEL; + val |= reg_lc; + writel_relaxed(val, vbclk->base + VBATTB_XOSCCR); + } + + /* This feeds the RTC counter clock and it needs to stay on. */ + hw = devm_clk_hw_register_gate_parent_hw(dev, "vbattclk", hw, CLK_IS_CRITICAL, + vbclk->base + VBATTB_XOSCCR, + VBATTB_XOSCCR_OUTEN, 0, + &vbclk->lock); + + if (IS_ERR(hw)) + return PTR_ERR(hw); + clk_data->hws[VBATTB_VBATTCLK] = hw; + + return of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); +} + +static const struct of_device_id vbattb_clk_match[] = { + { .compatible = "renesas,r9a08g045-vbattb" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, vbattb_clk_match); + +static struct platform_driver vbattb_clk_driver = { + .driver = { + .name = "renesas-vbattb-clk", + .of_match_table = vbattb_clk_match, + }, + .probe = vbattb_clk_probe, +}; +module_platform_driver(vbattb_clk_driver); + +MODULE_DESCRIPTION("Renesas VBATTB Clock Driver"); +MODULE_AUTHOR("Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/renesas/r7s9210-cpg-mssr.c b/drivers/clk/renesas/r7s9210-cpg-mssr.c new file mode 100644 index 000000000..a8ed87c11 --- /dev/null +++ b/drivers/clk/renesas/r7s9210-cpg-mssr.c @@ -0,0 +1,225 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * R7S9210 Clock Pulse Generator / Module Standby + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2018 Chris Brandt + * Copyright (C) 2018 Renesas Electronics Corp. + * + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/io.h> +#include <dt-bindings/clock/r7s9210-cpg-mssr.h> +#include "renesas-cpg-mssr.h" + +#define CPG_FRQCR 0x00 + +static u8 cpg_mode; + +/* Internal Clock ratio table */ +static const struct { + unsigned int i; + unsigned int g; + unsigned int b; + unsigned int p1; + /* p0 is always 32 */; +} ratio_tab[5] = { /* I, G, B, P1 */ + { 2, 4, 8, 16}, /* FRQCR = 0x012 */ + { 4, 4, 8, 16}, /* FRQCR = 0x112 */ + { 8, 4, 8, 16}, /* FRQCR = 0x212 */ + { 16, 8, 16, 16}, /* FRQCR = 0x322 */ + { 16, 16, 32, 32}, /* FRQCR = 0x333 */ + }; + +enum rz_clk_types { + CLK_TYPE_RZA_MAIN = CLK_TYPE_CUSTOM, + CLK_TYPE_RZA_PLL, +}; + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R7S9210_CLK_P0, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static struct cpg_core_clk r7s9210_early_core_clks[] = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_RZA_MAIN, CLK_EXTAL), + DEF_BASE(".pll", CLK_PLL, CLK_TYPE_RZA_PLL, CLK_MAIN), + + /* Core Clock Outputs */ + DEF_FIXED("p1c", R7S9210_CLK_P1C, CLK_PLL, 16, 1), +}; + +static const struct mssr_mod_clk r7s9210_early_mod_clks[] __initconst = { + DEF_MOD_STB("ostm2", 34, R7S9210_CLK_P1C), + DEF_MOD_STB("ostm1", 35, R7S9210_CLK_P1C), + DEF_MOD_STB("ostm0", 36, R7S9210_CLK_P1C), +}; + +static struct cpg_core_clk r7s9210_core_clks[] = { + /* Core Clock Outputs */ + DEF_FIXED("i", R7S9210_CLK_I, CLK_PLL, 2, 1), + DEF_FIXED("g", R7S9210_CLK_G, CLK_PLL, 4, 1), + DEF_FIXED("b", R7S9210_CLK_B, CLK_PLL, 8, 1), + DEF_FIXED("p1", R7S9210_CLK_P1, CLK_PLL, 16, 1), + DEF_FIXED("p0", R7S9210_CLK_P0, CLK_PLL, 32, 1), +}; + +static const struct mssr_mod_clk r7s9210_mod_clks[] __initconst = { + DEF_MOD_STB("scif4", 43, R7S9210_CLK_P1C), + DEF_MOD_STB("scif3", 44, R7S9210_CLK_P1C), + DEF_MOD_STB("scif2", 45, R7S9210_CLK_P1C), + DEF_MOD_STB("scif1", 46, R7S9210_CLK_P1C), + DEF_MOD_STB("scif0", 47, R7S9210_CLK_P1C), + + DEF_MOD_STB("usb1", 60, R7S9210_CLK_B), + DEF_MOD_STB("usb0", 61, R7S9210_CLK_B), + DEF_MOD_STB("ether1", 64, R7S9210_CLK_B), + DEF_MOD_STB("ether0", 65, R7S9210_CLK_B), + + DEF_MOD_STB("spibsc", 83, R7S9210_CLK_P1), + DEF_MOD_STB("i2c3", 84, R7S9210_CLK_P1), + DEF_MOD_STB("i2c2", 85, R7S9210_CLK_P1), + DEF_MOD_STB("i2c1", 86, R7S9210_CLK_P1), + DEF_MOD_STB("i2c0", 87, R7S9210_CLK_P1), + + DEF_MOD_STB("spi2", 95, R7S9210_CLK_P1), + DEF_MOD_STB("spi1", 96, R7S9210_CLK_P1), + DEF_MOD_STB("spi0", 97, R7S9210_CLK_P1), + + DEF_MOD_STB("sdhi11", 100, R7S9210_CLK_B), + DEF_MOD_STB("sdhi10", 101, R7S9210_CLK_B), + DEF_MOD_STB("sdhi01", 102, R7S9210_CLK_B), + DEF_MOD_STB("sdhi00", 103, R7S9210_CLK_B), +}; + +/* The clock dividers in the table vary based on DT and register settings */ +static void __init r7s9210_update_clk_table(struct clk *extal_clk, + void __iomem *base) +{ + int i; + u16 frqcr; + u8 index; + + /* If EXTAL is above 12MHz, then we know it is Mode 1 */ + if (clk_get_rate(extal_clk) > 12000000) + cpg_mode = 1; + + frqcr = readl(base + CPG_FRQCR) & 0xFFF; + if (frqcr == 0x012) + index = 0; + else if (frqcr == 0x112) + index = 1; + else if (frqcr == 0x212) + index = 2; + else if (frqcr == 0x322) + index = 3; + else if (frqcr == 0x333) + index = 4; + else + BUG_ON(1); /* Illegal FRQCR value */ + + for (i = 0; i < ARRAY_SIZE(r7s9210_core_clks); i++) { + switch (r7s9210_core_clks[i].id) { + case R7S9210_CLK_I: + r7s9210_core_clks[i].div = ratio_tab[index].i; + break; + case R7S9210_CLK_G: + r7s9210_core_clks[i].div = ratio_tab[index].g; + break; + case R7S9210_CLK_B: + r7s9210_core_clks[i].div = ratio_tab[index].b; + break; + case R7S9210_CLK_P1: + case R7S9210_CLK_P1C: + r7s9210_core_clks[i].div = ratio_tab[index].p1; + break; + case R7S9210_CLK_P0: + r7s9210_core_clks[i].div = 32; + break; + } + } +} + +static struct clk * __init rza2_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub) +{ + void __iomem *base = pub->base0; + struct clk **clks = pub->clks; + unsigned int mult = 1; + unsigned int div = 1; + struct clk *parent; + + parent = clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + switch (core->type) { + case CLK_TYPE_RZA_MAIN: + r7s9210_update_clk_table(parent, base); + break; + + case CLK_TYPE_RZA_PLL: + if (cpg_mode) + mult = 44; /* Divider 1 is 1/2 */ + else + mult = 88; /* Divider 1 is 1 */ + break; + + default: + return ERR_PTR(-EINVAL); + } + + return clk_register_fixed_factor(NULL, core->name, + __clk_get_name(parent), 0, mult, div); +} + +const struct cpg_mssr_info r7s9210_cpg_mssr_info __initconst = { + /* Early Clocks */ + .early_core_clks = r7s9210_early_core_clks, + .num_early_core_clks = ARRAY_SIZE(r7s9210_early_core_clks), + .early_mod_clks = r7s9210_early_mod_clks, + .num_early_mod_clks = ARRAY_SIZE(r7s9210_early_mod_clks), + + /* Core Clocks */ + .core_clks = r7s9210_core_clks, + .num_core_clks = ARRAY_SIZE(r7s9210_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r7s9210_mod_clks, + .num_mod_clks = ARRAY_SIZE(r7s9210_mod_clks), + .num_hw_mod_clks = 11 * 32, /* includes STBCR0 which doesn't exist */ + + /* Callbacks */ + .cpg_clk_register = rza2_cpg_clk_register, + + /* RZ/A2 has Standby Control Registers */ + .reg_layout = CLK_REG_LAYOUT_RZ_A, +}; + +static void __init r7s9210_cpg_mssr_early_init(struct device_node *np) +{ + cpg_mssr_early_init(np, &r7s9210_cpg_mssr_info); +} + +CLK_OF_DECLARE_DRIVER(cpg_mstp_clks, "renesas,r7s9210-cpg-mssr", + r7s9210_cpg_mssr_early_init); diff --git a/drivers/clk/renesas/r8a7742-cpg-mssr.c b/drivers/clk/renesas/r8a7742-cpg-mssr.c new file mode 100644 index 000000000..e541489bd --- /dev/null +++ b/drivers/clk/renesas/r8a7742-cpg-mssr.c @@ -0,0 +1,276 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7742 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2020 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7742-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7742_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_USB_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a7742_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("usb_extal", CLK_USB_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("z", R8A7742_CLK_Z, CLK_TYPE_GEN2_Z, CLK_PLL0), + DEF_BASE("lb", R8A7742_CLK_LB, CLK_TYPE_GEN2_LB, CLK_PLL1), + DEF_BASE("sdh", R8A7742_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1), + DEF_BASE("sd0", R8A7742_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1), + DEF_BASE("sd1", R8A7742_CLK_SD1, CLK_TYPE_GEN2_SD1, CLK_PLL1), + DEF_BASE("qspi", R8A7742_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), + DEF_BASE("rcan", R8A7742_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL), + + DEF_FIXED("z2", R8A7742_CLK_Z2, CLK_PLL1, 2, 1), + DEF_FIXED("zg", R8A7742_CLK_ZG, CLK_PLL1, 3, 1), + DEF_FIXED("zx", R8A7742_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("zs", R8A7742_CLK_ZS, CLK_PLL1, 6, 1), + DEF_FIXED("hp", R8A7742_CLK_HP, CLK_PLL1, 12, 1), + DEF_FIXED("b", R8A7742_CLK_B, CLK_PLL1, 12, 1), + DEF_FIXED("p", R8A7742_CLK_P, CLK_PLL1, 24, 1), + DEF_FIXED("cl", R8A7742_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("m2", R8A7742_CLK_M2, CLK_PLL1, 8, 1), + DEF_FIXED("zb3", R8A7742_CLK_ZB3, CLK_PLL3, 4, 1), + DEF_FIXED("zb3d2", R8A7742_CLK_ZB3D2, CLK_PLL3, 8, 1), + DEF_FIXED("ddr", R8A7742_CLK_DDR, CLK_PLL3, 8, 1), + DEF_FIXED("mp", R8A7742_CLK_MP, CLK_PLL1_DIV2, 15, 1), + DEF_FIXED("cp", R8A7742_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("r", R8A7742_CLK_R, CLK_PLL1, 49152, 1), + DEF_FIXED("osc", R8A7742_CLK_OSC, CLK_PLL1, 12288, 1), + + DEF_DIV6P1("sd2", R8A7742_CLK_SD2, CLK_PLL1_DIV2, 0x078), + DEF_DIV6P1("sd3", R8A7742_CLK_SD3, CLK_PLL1_DIV2, 0x26c), + DEF_DIV6P1("mmc0", R8A7742_CLK_MMC0, CLK_PLL1_DIV2, 0x240), + DEF_DIV6P1("mmc1", R8A7742_CLK_MMC1, CLK_PLL1_DIV2, 0x244), +}; + +static const struct mssr_mod_clk r8a7742_mod_clks[] __initconst = { + DEF_MOD("msiof0", 0, R8A7742_CLK_MP), + DEF_MOD("vcp1", 100, R8A7742_CLK_ZS), + DEF_MOD("vcp0", 101, R8A7742_CLK_ZS), + DEF_MOD("vpc1", 102, R8A7742_CLK_ZS), + DEF_MOD("vpc0", 103, R8A7742_CLK_ZS), + DEF_MOD("tmu1", 111, R8A7742_CLK_P), + DEF_MOD("3dg", 112, R8A7742_CLK_ZG), + DEF_MOD("2d-dmac", 115, R8A7742_CLK_ZS), + DEF_MOD("fdp1-2", 117, R8A7742_CLK_ZS), + DEF_MOD("fdp1-1", 118, R8A7742_CLK_ZS), + DEF_MOD("fdp1-0", 119, R8A7742_CLK_ZS), + DEF_MOD("tmu3", 121, R8A7742_CLK_P), + DEF_MOD("tmu2", 122, R8A7742_CLK_P), + DEF_MOD("cmt0", 124, R8A7742_CLK_R), + DEF_MOD("tmu0", 125, R8A7742_CLK_CP), + DEF_MOD("vsp1du1", 127, R8A7742_CLK_ZS), + DEF_MOD("vsp1du0", 128, R8A7742_CLK_ZS), + DEF_MOD("vspr", 130, R8A7742_CLK_ZS), + DEF_MOD("vsps", 131, R8A7742_CLK_ZS), + DEF_MOD("scifa2", 202, R8A7742_CLK_MP), + DEF_MOD("scifa1", 203, R8A7742_CLK_MP), + DEF_MOD("scifa0", 204, R8A7742_CLK_MP), + DEF_MOD("msiof2", 205, R8A7742_CLK_MP), + DEF_MOD("scifb0", 206, R8A7742_CLK_MP), + DEF_MOD("scifb1", 207, R8A7742_CLK_MP), + DEF_MOD("msiof1", 208, R8A7742_CLK_MP), + DEF_MOD("msiof3", 215, R8A7742_CLK_MP), + DEF_MOD("scifb2", 216, R8A7742_CLK_MP), + DEF_MOD("sys-dmac1", 218, R8A7742_CLK_ZS), + DEF_MOD("sys-dmac0", 219, R8A7742_CLK_ZS), + DEF_MOD("iic2", 300, R8A7742_CLK_HP), + DEF_MOD("tpu0", 304, R8A7742_CLK_CP), + DEF_MOD("mmcif1", 305, R8A7742_CLK_MMC1), + DEF_MOD("scif2", 310, R8A7742_CLK_P), + DEF_MOD("sdhi3", 311, R8A7742_CLK_SD3), + DEF_MOD("sdhi2", 312, R8A7742_CLK_SD2), + DEF_MOD("sdhi1", 313, R8A7742_CLK_SD1), + DEF_MOD("sdhi0", 314, R8A7742_CLK_SD0), + DEF_MOD("mmcif0", 315, R8A7742_CLK_MMC0), + DEF_MOD("iic0", 318, R8A7742_CLK_HP), + DEF_MOD("pciec", 319, R8A7742_CLK_MP), + DEF_MOD("iic1", 323, R8A7742_CLK_HP), + DEF_MOD("usb3.0", 328, R8A7742_CLK_MP), + DEF_MOD("cmt1", 329, R8A7742_CLK_R), + DEF_MOD("usbhs-dmac0", 330, R8A7742_CLK_HP), + DEF_MOD("usbhs-dmac1", 331, R8A7742_CLK_HP), + DEF_MOD("rwdt", 402, R8A7742_CLK_R), + DEF_MOD("irqc", 407, R8A7742_CLK_CP), + DEF_MOD("intc-sys", 408, R8A7742_CLK_ZS), + DEF_MOD("audio-dmac1", 501, R8A7742_CLK_HP), + DEF_MOD("audio-dmac0", 502, R8A7742_CLK_HP), + DEF_MOD("thermal", 522, CLK_EXTAL), + DEF_MOD("pwm", 523, R8A7742_CLK_P), + DEF_MOD("usb-ehci", 703, R8A7742_CLK_MP), + DEF_MOD("usbhs", 704, R8A7742_CLK_HP), + DEF_MOD("hscif1", 716, R8A7742_CLK_ZS), + DEF_MOD("hscif0", 717, R8A7742_CLK_ZS), + DEF_MOD("scif1", 720, R8A7742_CLK_P), + DEF_MOD("scif0", 721, R8A7742_CLK_P), + DEF_MOD("du2", 722, R8A7742_CLK_ZX), + DEF_MOD("du1", 723, R8A7742_CLK_ZX), + DEF_MOD("du0", 724, R8A7742_CLK_ZX), + DEF_MOD("lvds1", 725, R8A7742_CLK_ZX), + DEF_MOD("lvds0", 726, R8A7742_CLK_ZX), + DEF_MOD("r-gp2d", 807, R8A7742_CLK_ZX), + DEF_MOD("vin3", 808, R8A7742_CLK_ZG), + DEF_MOD("vin2", 809, R8A7742_CLK_ZG), + DEF_MOD("vin1", 810, R8A7742_CLK_ZG), + DEF_MOD("vin0", 811, R8A7742_CLK_ZG), + DEF_MOD("etheravb", 812, R8A7742_CLK_HP), + DEF_MOD("ether", 813, R8A7742_CLK_P), + DEF_MOD("sata1", 814, R8A7742_CLK_ZS), + DEF_MOD("sata0", 815, R8A7742_CLK_ZS), + DEF_MOD("imr-x2-1", 820, R8A7742_CLK_ZG), + DEF_MOD("imr-x2-0", 821, R8A7742_CLK_HP), + DEF_MOD("imr-lsx2-1", 822, R8A7742_CLK_P), + DEF_MOD("imr-lsx2-0", 823, R8A7742_CLK_ZS), + DEF_MOD("gpio5", 907, R8A7742_CLK_CP), + DEF_MOD("gpio4", 908, R8A7742_CLK_CP), + DEF_MOD("gpio3", 909, R8A7742_CLK_CP), + DEF_MOD("gpio2", 910, R8A7742_CLK_CP), + DEF_MOD("gpio1", 911, R8A7742_CLK_CP), + DEF_MOD("gpio0", 912, R8A7742_CLK_CP), + DEF_MOD("can1", 915, R8A7742_CLK_P), + DEF_MOD("can0", 916, R8A7742_CLK_P), + DEF_MOD("qspi_mod", 917, R8A7742_CLK_QSPI), + DEF_MOD("iicdvfs", 926, R8A7742_CLK_CP), + DEF_MOD("i2c3", 928, R8A7742_CLK_HP), + DEF_MOD("i2c2", 929, R8A7742_CLK_HP), + DEF_MOD("i2c1", 930, R8A7742_CLK_HP), + DEF_MOD("i2c0", 931, R8A7742_CLK_HP), + DEF_MOD("ssi-all", 1005, R8A7742_CLK_P), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A7742_CLK_P), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a7742_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-SYS (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *1 + *--------------------------------------------------- + * 0 0 0 15 x172/2 x208/2 x106 + * 0 0 1 15 x172/2 x208/2 x88 + * 0 1 0 20 x130/2 x156/2 x80 + * 0 1 1 20 x130/2 x156/2 x66 + * 1 0 0 26 / 2 x200/2 x240/2 x122 + * 1 0 1 26 / 2 x200/2 x240/2 x102 + * 1 1 0 30 / 2 x172/2 x208/2 x106 + * 1 1 1 30 / 2 x172/2 x208/2 x88 + * + * *1 : Table 7.5a indicates VCO output (PLLx = VCO/2) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \ + (((md) & BIT(13)) >> 12) | \ + (((md) & BIT(19)) >> 19)) + +static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = { + /* EXTAL div PLL1 mult PLL3 mult */ + { 1, 208, 106, }, + { 1, 208, 88, }, + { 1, 156, 80, }, + { 1, 156, 66, }, + { 2, 240, 122, }, + { 2, 240, 102, }, + { 2, 208, 106, }, + { 2, 208, 88, }, +}; + +static int __init r8a7742_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen2_cpg_init(cpg_pll_config, 2, cpg_mode); +} + +const struct cpg_mssr_info r8a7742_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7742_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7742_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7742_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7742_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7742_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7742_crit_mod_clks), + + /* Callbacks */ + .init = r8a7742_cpg_mssr_init, + .cpg_clk_register = rcar_gen2_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a7743-cpg-mssr.c b/drivers/clk/renesas/r8a7743-cpg-mssr.c new file mode 100644 index 000000000..0bba12a48 --- /dev/null +++ b/drivers/clk/renesas/r8a7743-cpg-mssr.c @@ -0,0 +1,280 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7743 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2016 Cogent Embedded Inc. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7743-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7743_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_USB_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static struct cpg_core_clk r8a7743_core_clks[] __initdata = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("usb_extal", CLK_USB_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("z", R8A7743_CLK_Z, CLK_TYPE_GEN2_Z, CLK_PLL0), + DEF_BASE("sdh", R8A7743_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1), + DEF_BASE("sd0", R8A7743_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1), + DEF_BASE("qspi", R8A7743_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), + DEF_BASE("rcan", R8A7743_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL), + + DEF_FIXED("zg", R8A7743_CLK_ZG, CLK_PLL1, 3, 1), + DEF_FIXED("zx", R8A7743_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("zs", R8A7743_CLK_ZS, CLK_PLL1, 6, 1), + DEF_FIXED("hp", R8A7743_CLK_HP, CLK_PLL1, 12, 1), + DEF_FIXED("b", R8A7743_CLK_B, CLK_PLL1, 12, 1), + DEF_FIXED("lb", R8A7743_CLK_LB, CLK_PLL1, 24, 1), + DEF_FIXED("p", R8A7743_CLK_P, CLK_PLL1, 24, 1), + DEF_FIXED("cl", R8A7743_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("m2", R8A7743_CLK_M2, CLK_PLL1, 8, 1), + DEF_FIXED("zb3", R8A7743_CLK_ZB3, CLK_PLL3, 4, 1), + DEF_FIXED("zb3d2", R8A7743_CLK_ZB3D2, CLK_PLL3, 8, 1), + DEF_FIXED("ddr", R8A7743_CLK_DDR, CLK_PLL3, 8, 1), + DEF_FIXED("mp", R8A7743_CLK_MP, CLK_PLL1_DIV2, 15, 1), + DEF_FIXED("cp", R8A7743_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("r", R8A7743_CLK_R, CLK_PLL1, 49152, 1), + DEF_FIXED("osc", R8A7743_CLK_OSC, CLK_PLL1, 12288, 1), + + DEF_DIV6P1("sd2", R8A7743_CLK_SD2, CLK_PLL1_DIV2, 0x078), + DEF_DIV6P1("sd3", R8A7743_CLK_SD3, CLK_PLL1_DIV2, 0x26c), + DEF_DIV6P1("mmc0", R8A7743_CLK_MMC0, CLK_PLL1_DIV2, 0x240), +}; + +static const struct mssr_mod_clk r8a7743_mod_clks[] __initconst = { + DEF_MOD("msiof0", 0, R8A7743_CLK_MP), + DEF_MOD("vcp0", 101, R8A7743_CLK_ZS), + DEF_MOD("vpc0", 103, R8A7743_CLK_ZS), + DEF_MOD("tmu1", 111, R8A7743_CLK_P), + DEF_MOD("3dg", 112, R8A7743_CLK_ZG), + DEF_MOD("2d-dmac", 115, R8A7743_CLK_ZS), + DEF_MOD("fdp1-1", 118, R8A7743_CLK_ZS), + DEF_MOD("fdp1-0", 119, R8A7743_CLK_ZS), + DEF_MOD("tmu3", 121, R8A7743_CLK_P), + DEF_MOD("tmu2", 122, R8A7743_CLK_P), + DEF_MOD("cmt0", 124, R8A7743_CLK_R), + DEF_MOD("tmu0", 125, R8A7743_CLK_CP), + DEF_MOD("vsp1du1", 127, R8A7743_CLK_ZS), + DEF_MOD("vsp1du0", 128, R8A7743_CLK_ZS), + DEF_MOD("vsps", 131, R8A7743_CLK_ZS), + DEF_MOD("scifa2", 202, R8A7743_CLK_MP), + DEF_MOD("scifa1", 203, R8A7743_CLK_MP), + DEF_MOD("scifa0", 204, R8A7743_CLK_MP), + DEF_MOD("msiof2", 205, R8A7743_CLK_MP), + DEF_MOD("scifb0", 206, R8A7743_CLK_MP), + DEF_MOD("scifb1", 207, R8A7743_CLK_MP), + DEF_MOD("msiof1", 208, R8A7743_CLK_MP), + DEF_MOD("scifb2", 216, R8A7743_CLK_MP), + DEF_MOD("sys-dmac1", 218, R8A7743_CLK_ZS), + DEF_MOD("sys-dmac0", 219, R8A7743_CLK_ZS), + DEF_MOD("tpu0", 304, R8A7743_CLK_CP), + DEF_MOD("sdhi3", 311, R8A7743_CLK_SD3), + DEF_MOD("sdhi2", 312, R8A7743_CLK_SD2), + DEF_MOD("sdhi0", 314, R8A7743_CLK_SD0), + DEF_MOD("mmcif0", 315, R8A7743_CLK_MMC0), + DEF_MOD("iic0", 318, R8A7743_CLK_HP), + DEF_MOD("pciec", 319, R8A7743_CLK_MP), + DEF_MOD("iic1", 323, R8A7743_CLK_HP), + DEF_MOD("usb3.0", 328, R8A7743_CLK_MP), + DEF_MOD("cmt1", 329, R8A7743_CLK_R), + DEF_MOD("usbhs-dmac0", 330, R8A7743_CLK_HP), + DEF_MOD("usbhs-dmac1", 331, R8A7743_CLK_HP), + DEF_MOD("rwdt", 402, R8A7743_CLK_R), + DEF_MOD("irqc", 407, R8A7743_CLK_CP), + DEF_MOD("intc-sys", 408, R8A7743_CLK_ZS), + DEF_MOD("audio-dmac1", 501, R8A7743_CLK_HP), + DEF_MOD("audio-dmac0", 502, R8A7743_CLK_HP), + DEF_MOD("thermal", 522, CLK_EXTAL), + DEF_MOD("pwm", 523, R8A7743_CLK_P), + DEF_MOD("usb-ehci", 703, R8A7743_CLK_MP), + DEF_MOD("usbhs", 704, R8A7743_CLK_HP), + DEF_MOD("hscif2", 713, R8A7743_CLK_ZS), + DEF_MOD("scif5", 714, R8A7743_CLK_P), + DEF_MOD("scif4", 715, R8A7743_CLK_P), + DEF_MOD("hscif1", 716, R8A7743_CLK_ZS), + DEF_MOD("hscif0", 717, R8A7743_CLK_ZS), + DEF_MOD("scif3", 718, R8A7743_CLK_P), + DEF_MOD("scif2", 719, R8A7743_CLK_P), + DEF_MOD("scif1", 720, R8A7743_CLK_P), + DEF_MOD("scif0", 721, R8A7743_CLK_P), + DEF_MOD("du1", 723, R8A7743_CLK_ZX), + DEF_MOD("du0", 724, R8A7743_CLK_ZX), + DEF_MOD("lvds0", 726, R8A7743_CLK_ZX), + DEF_MOD("ipmmu-sgx", 800, R8A7743_CLK_ZX), + DEF_MOD("vin2", 809, R8A7743_CLK_ZG), + DEF_MOD("vin1", 810, R8A7743_CLK_ZG), + DEF_MOD("vin0", 811, R8A7743_CLK_ZG), + DEF_MOD("etheravb", 812, R8A7743_CLK_HP), + DEF_MOD("ether", 813, R8A7743_CLK_P), + DEF_MOD("sata1", 814, R8A7743_CLK_ZS), + DEF_MOD("sata0", 815, R8A7743_CLK_ZS), + DEF_MOD("gpio7", 904, R8A7743_CLK_CP), + DEF_MOD("gpio6", 905, R8A7743_CLK_CP), + DEF_MOD("gpio5", 907, R8A7743_CLK_CP), + DEF_MOD("gpio4", 908, R8A7743_CLK_CP), + DEF_MOD("gpio3", 909, R8A7743_CLK_CP), + DEF_MOD("gpio2", 910, R8A7743_CLK_CP), + DEF_MOD("gpio1", 911, R8A7743_CLK_CP), + DEF_MOD("gpio0", 912, R8A7743_CLK_CP), + DEF_MOD("can1", 915, R8A7743_CLK_P), + DEF_MOD("can0", 916, R8A7743_CLK_P), + DEF_MOD("qspi_mod", 917, R8A7743_CLK_QSPI), + DEF_MOD("i2c5", 925, R8A7743_CLK_HP), + DEF_MOD("iicdvfs", 926, R8A7743_CLK_CP), + DEF_MOD("i2c4", 927, R8A7743_CLK_HP), + DEF_MOD("i2c3", 928, R8A7743_CLK_HP), + DEF_MOD("i2c2", 929, R8A7743_CLK_HP), + DEF_MOD("i2c1", 930, R8A7743_CLK_HP), + DEF_MOD("i2c0", 931, R8A7743_CLK_HP), + DEF_MOD("ssi-all", 1005, R8A7743_CLK_P), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A7743_CLK_P), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), + DEF_MOD("scifa3", 1106, R8A7743_CLK_MP), + DEF_MOD("scifa4", 1107, R8A7743_CLK_MP), + DEF_MOD("scifa5", 1108, R8A7743_CLK_MP), +}; + +static const unsigned int r8a7743_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-SYS (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *1 + *--------------------------------------------------- + * 0 0 0 15 x172/2 x208/2 x106 + * 0 0 1 15 x172/2 x208/2 x88 + * 0 1 0 20 x130/2 x156/2 x80 + * 0 1 1 20 x130/2 x156/2 x66 + * 1 0 0 26 / 2 x200/2 x240/2 x122 + * 1 0 1 26 / 2 x200/2 x240/2 x102 + * 1 1 0 30 / 2 x172/2 x208/2 x106 + * 1 1 1 30 / 2 x172/2 x208/2 x88 + * + * *1 : Table 7.5a indicates VCO output (PLLx = VCO/2) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \ + (((md) & BIT(13)) >> 12) | \ + (((md) & BIT(19)) >> 19)) + +static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = { + /* EXTAL div PLL1 mult PLL3 mult */ + { 1, 208, 106, }, + { 1, 208, 88, }, + { 1, 156, 80, }, + { 1, 156, 66, }, + { 2, 240, 122, }, + { 2, 240, 102, }, + { 2, 208, 106, }, + { 2, 208, 88, }, +}; + +static int __init r8a7743_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + struct device_node *np = dev->of_node; + unsigned int i; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + if (of_device_is_compatible(np, "renesas,r8a7744-cpg-mssr")) { + /* RZ/G1N uses a 1/5 divider for ZG */ + for (i = 0; i < ARRAY_SIZE(r8a7743_core_clks); i++) + if (r8a7743_core_clks[i].id == R8A7743_CLK_ZG) { + r8a7743_core_clks[i].div = 5; + break; + } + } + return rcar_gen2_cpg_init(cpg_pll_config, 2, cpg_mode); +} + +const struct cpg_mssr_info r8a7743_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7743_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7743_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7743_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7743_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7743_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7743_crit_mod_clks), + + /* Callbacks */ + .init = r8a7743_cpg_mssr_init, + .cpg_clk_register = rcar_gen2_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a7745-cpg-mssr.c b/drivers/clk/renesas/r8a7745-cpg-mssr.c new file mode 100644 index 000000000..dc4a64e8d --- /dev/null +++ b/drivers/clk/renesas/r8a7745-cpg-mssr.c @@ -0,0 +1,246 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7745 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2016 Cogent Embedded Inc. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7745-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7745_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_USB_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a7745_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("usb_extal", CLK_USB_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("sdh", R8A7745_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1), + DEF_BASE("sd0", R8A7745_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1), + DEF_BASE("qspi", R8A7745_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), + DEF_BASE("rcan", R8A7745_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL), + + DEF_FIXED("z2", R8A7745_CLK_Z2, CLK_PLL0, 1, 1), + DEF_FIXED("zg", R8A7745_CLK_ZG, CLK_PLL1, 6, 1), + DEF_FIXED("zx", R8A7745_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("zs", R8A7745_CLK_ZS, CLK_PLL1, 6, 1), + DEF_FIXED("hp", R8A7745_CLK_HP, CLK_PLL1, 12, 1), + DEF_FIXED("b", R8A7745_CLK_B, CLK_PLL1, 12, 1), + DEF_FIXED("lb", R8A7745_CLK_LB, CLK_PLL1, 24, 1), + DEF_FIXED("p", R8A7745_CLK_P, CLK_PLL1, 24, 1), + DEF_FIXED("cl", R8A7745_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("cp", R8A7745_CLK_CP, CLK_PLL1, 48, 1), + DEF_FIXED("m2", R8A7745_CLK_M2, CLK_PLL1, 8, 1), + DEF_FIXED("zb3", R8A7745_CLK_ZB3, CLK_PLL3, 4, 1), + DEF_FIXED("zb3d2", R8A7745_CLK_ZB3D2, CLK_PLL3, 8, 1), + DEF_FIXED("ddr", R8A7745_CLK_DDR, CLK_PLL3, 8, 1), + DEF_FIXED("mp", R8A7745_CLK_MP, CLK_PLL1_DIV2, 15, 1), + DEF_FIXED("cpex", R8A7745_CLK_CPEX, CLK_EXTAL, 2, 1), + DEF_FIXED("r", R8A7745_CLK_R, CLK_PLL1, 49152, 1), + DEF_FIXED("osc", R8A7745_CLK_OSC, CLK_PLL1, 12288, 1), + + DEF_DIV6P1("sd2", R8A7745_CLK_SD2, CLK_PLL1_DIV2, 0x078), + DEF_DIV6P1("sd3", R8A7745_CLK_SD3, CLK_PLL1_DIV2, 0x26c), + DEF_DIV6P1("mmc0", R8A7745_CLK_MMC0, CLK_PLL1_DIV2, 0x240), +}; + +static const struct mssr_mod_clk r8a7745_mod_clks[] __initconst = { + DEF_MOD("msiof0", 0, R8A7745_CLK_MP), + DEF_MOD("vcp0", 101, R8A7745_CLK_ZS), + DEF_MOD("vpc0", 103, R8A7745_CLK_ZS), + DEF_MOD("tmu1", 111, R8A7745_CLK_P), + DEF_MOD("3dg", 112, R8A7745_CLK_ZG), + DEF_MOD("2d-dmac", 115, R8A7745_CLK_ZS), + DEF_MOD("fdp1-0", 119, R8A7745_CLK_ZS), + DEF_MOD("tmu3", 121, R8A7745_CLK_P), + DEF_MOD("tmu2", 122, R8A7745_CLK_P), + DEF_MOD("cmt0", 124, R8A7745_CLK_R), + DEF_MOD("tmu0", 125, R8A7745_CLK_CP), + DEF_MOD("vsp1du0", 128, R8A7745_CLK_ZS), + DEF_MOD("vsps", 131, R8A7745_CLK_ZS), + DEF_MOD("scifa2", 202, R8A7745_CLK_MP), + DEF_MOD("scifa1", 203, R8A7745_CLK_MP), + DEF_MOD("scifa0", 204, R8A7745_CLK_MP), + DEF_MOD("msiof2", 205, R8A7745_CLK_MP), + DEF_MOD("scifb0", 206, R8A7745_CLK_MP), + DEF_MOD("scifb1", 207, R8A7745_CLK_MP), + DEF_MOD("msiof1", 208, R8A7745_CLK_MP), + DEF_MOD("scifb2", 216, R8A7745_CLK_MP), + DEF_MOD("sys-dmac1", 218, R8A7745_CLK_ZS), + DEF_MOD("sys-dmac0", 219, R8A7745_CLK_ZS), + DEF_MOD("tpu0", 304, R8A7745_CLK_CP), + DEF_MOD("sdhi3", 311, R8A7745_CLK_SD3), + DEF_MOD("sdhi2", 312, R8A7745_CLK_SD2), + DEF_MOD("sdhi0", 314, R8A7745_CLK_SD0), + DEF_MOD("mmcif0", 315, R8A7745_CLK_MMC0), + DEF_MOD("iic0", 318, R8A7745_CLK_HP), + DEF_MOD("iic1", 323, R8A7745_CLK_HP), + DEF_MOD("cmt1", 329, R8A7745_CLK_R), + DEF_MOD("usbhs-dmac0", 330, R8A7745_CLK_HP), + DEF_MOD("usbhs-dmac1", 331, R8A7745_CLK_HP), + DEF_MOD("rwdt", 402, R8A7745_CLK_R), + DEF_MOD("irqc", 407, R8A7745_CLK_CP), + DEF_MOD("intc-sys", 408, R8A7745_CLK_ZS), + DEF_MOD("audio-dmac0", 502, R8A7745_CLK_HP), + DEF_MOD("pwm", 523, R8A7745_CLK_P), + DEF_MOD("usb-ehci", 703, R8A7745_CLK_MP), + DEF_MOD("usbhs", 704, R8A7745_CLK_HP), + DEF_MOD("hscif2", 713, R8A7745_CLK_ZS), + DEF_MOD("scif5", 714, R8A7745_CLK_P), + DEF_MOD("scif4", 715, R8A7745_CLK_P), + DEF_MOD("hscif1", 716, R8A7745_CLK_ZS), + DEF_MOD("hscif0", 717, R8A7745_CLK_ZS), + DEF_MOD("scif3", 718, R8A7745_CLK_P), + DEF_MOD("scif2", 719, R8A7745_CLK_P), + DEF_MOD("scif1", 720, R8A7745_CLK_P), + DEF_MOD("scif0", 721, R8A7745_CLK_P), + DEF_MOD("du1", 723, R8A7745_CLK_ZX), + DEF_MOD("du0", 724, R8A7745_CLK_ZX), + DEF_MOD("ipmmu-sgx", 800, R8A7745_CLK_ZX), + DEF_MOD("vin1", 810, R8A7745_CLK_ZG), + DEF_MOD("vin0", 811, R8A7745_CLK_ZG), + DEF_MOD("etheravb", 812, R8A7745_CLK_HP), + DEF_MOD("ether", 813, R8A7745_CLK_P), + DEF_MOD("gpio6", 905, R8A7745_CLK_CP), + DEF_MOD("gpio5", 907, R8A7745_CLK_CP), + DEF_MOD("gpio4", 908, R8A7745_CLK_CP), + DEF_MOD("gpio3", 909, R8A7745_CLK_CP), + DEF_MOD("gpio2", 910, R8A7745_CLK_CP), + DEF_MOD("gpio1", 911, R8A7745_CLK_CP), + DEF_MOD("gpio0", 912, R8A7745_CLK_CP), + DEF_MOD("can1", 915, R8A7745_CLK_P), + DEF_MOD("can0", 916, R8A7745_CLK_P), + DEF_MOD("qspi_mod", 917, R8A7745_CLK_QSPI), + DEF_MOD("i2c5", 925, R8A7745_CLK_HP), + DEF_MOD("i2c4", 927, R8A7745_CLK_HP), + DEF_MOD("i2c3", 928, R8A7745_CLK_HP), + DEF_MOD("i2c2", 929, R8A7745_CLK_HP), + DEF_MOD("i2c1", 930, R8A7745_CLK_HP), + DEF_MOD("i2c0", 931, R8A7745_CLK_HP), + DEF_MOD("ssi-all", 1005, R8A7745_CLK_P), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A7745_CLK_P), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scifa3", 1106, R8A7745_CLK_MP), + DEF_MOD("scifa4", 1107, R8A7745_CLK_MP), + DEF_MOD("scifa5", 1108, R8A7745_CLK_MP), +}; + +static const unsigned int r8a7745_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-SYS (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *2 + *--------------------------------------------------- + * 0 0 1 15 x200/3 x208/2 x88 + * 0 1 1 20 x150/3 x156/2 x66 + * 1 0 1 26 / 2 x230/3 x240/2 x102 + * 1 1 1 30 / 2 x200/3 x208/2 x88 + * + * *1 : Table 7.5b indicates VCO output (PLL0 = VCO/3) + * *2 : Table 7.5b indicates VCO output (PLL1 = VCO/2) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) + +static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = { + /* EXTAL div PLL1 mult PLL3 mult PLL0 mult */ + { 1, 208, 88, 200 }, + { 1, 156, 66, 150 }, + { 2, 240, 102, 230 }, + { 2, 208, 88, 200 }, +}; + +static int __init r8a7745_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen2_cpg_init(cpg_pll_config, 3, cpg_mode); +} + +const struct cpg_mssr_info r8a7745_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7745_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7745_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7745_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7745_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7745_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7745_crit_mod_clks), + + /* Callbacks */ + .init = r8a7745_cpg_mssr_init, + .cpg_clk_register = rcar_gen2_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a77470-cpg-mssr.c b/drivers/clk/renesas/r8a77470-cpg-mssr.c new file mode 100644 index 000000000..f3d6e6501 --- /dev/null +++ b/drivers/clk/renesas/r8a77470-cpg-mssr.c @@ -0,0 +1,229 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77470 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a77470-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77470_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_USB_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a77470_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("usb_extal", CLK_USB_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("sdh", R8A77470_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1), + DEF_BASE("sd0", R8A77470_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1), + DEF_BASE("sd1", R8A77470_CLK_SD1, CLK_TYPE_GEN2_SD1, CLK_PLL1), + DEF_BASE("qspi", R8A77470_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), + DEF_BASE("rcan", R8A77470_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL), + + DEF_FIXED("z2", R8A77470_CLK_Z2, CLK_PLL0, 1, 1), + DEF_FIXED("zx", R8A77470_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("zs", R8A77470_CLK_ZS, CLK_PLL1, 6, 1), + DEF_FIXED("hp", R8A77470_CLK_HP, CLK_PLL1, 12, 1), + DEF_FIXED("b", R8A77470_CLK_B, CLK_PLL1, 12, 1), + DEF_FIXED("lb", R8A77470_CLK_LB, CLK_PLL1, 24, 1), + DEF_FIXED("p", R8A77470_CLK_P, CLK_PLL1, 24, 1), + DEF_FIXED("cl", R8A77470_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("cp", R8A77470_CLK_CP, CLK_PLL1, 48, 1), + DEF_FIXED("m2", R8A77470_CLK_M2, CLK_PLL1, 8, 1), + DEF_FIXED("zb3", R8A77470_CLK_ZB3, CLK_PLL3, 4, 1), + DEF_FIXED("mp", R8A77470_CLK_MP, CLK_PLL1_DIV2, 15, 1), + DEF_FIXED("cpex", R8A77470_CLK_CPEX, CLK_EXTAL, 2, 1), + DEF_FIXED("r", R8A77470_CLK_R, CLK_PLL1, 49152, 1), + DEF_FIXED("osc", R8A77470_CLK_OSC, CLK_PLL1, 12288, 1), + + DEF_DIV6P1("sd2", R8A77470_CLK_SD2, CLK_PLL1_DIV2, 0x078), +}; + +static const struct mssr_mod_clk r8a77470_mod_clks[] __initconst = { + DEF_MOD("msiof0", 0, R8A77470_CLK_MP), + DEF_MOD("vcp0", 101, R8A77470_CLK_ZS), + DEF_MOD("vpc0", 103, R8A77470_CLK_ZS), + DEF_MOD("tmu1", 111, R8A77470_CLK_P), + DEF_MOD("3dg", 112, R8A77470_CLK_ZS), + DEF_MOD("2d-dmac", 115, R8A77470_CLK_ZS), + DEF_MOD("fdp1-0", 119, R8A77470_CLK_ZS), + DEF_MOD("tmu3", 121, R8A77470_CLK_P), + DEF_MOD("tmu2", 122, R8A77470_CLK_P), + DEF_MOD("cmt0", 124, R8A77470_CLK_R), + DEF_MOD("vsp1du0", 128, R8A77470_CLK_ZS), + DEF_MOD("vsps", 131, R8A77470_CLK_ZS), + DEF_MOD("msiof2", 205, R8A77470_CLK_MP), + DEF_MOD("msiof1", 208, R8A77470_CLK_MP), + DEF_MOD("sys-dmac1", 218, R8A77470_CLK_ZS), + DEF_MOD("sys-dmac0", 219, R8A77470_CLK_ZS), + DEF_MOD("sdhi2", 312, R8A77470_CLK_SD2), + DEF_MOD("sdhi1", 313, R8A77470_CLK_SD1), + DEF_MOD("sdhi0", 314, R8A77470_CLK_SD0), + DEF_MOD("usbhs-dmac0-ch1", 326, R8A77470_CLK_HP), + DEF_MOD("usbhs-dmac1-ch1", 327, R8A77470_CLK_HP), + DEF_MOD("cmt1", 329, R8A77470_CLK_R), + DEF_MOD("usbhs-dmac0-ch0", 330, R8A77470_CLK_HP), + DEF_MOD("usbhs-dmac1-ch0", 331, R8A77470_CLK_HP), + DEF_MOD("rwdt", 402, R8A77470_CLK_R), + DEF_MOD("irqc", 407, R8A77470_CLK_CP), + DEF_MOD("intc-sys", 408, R8A77470_CLK_ZS), + DEF_MOD("audio-dmac0", 502, R8A77470_CLK_HP), + DEF_MOD("pwm", 523, R8A77470_CLK_P), + DEF_MOD("usb-ehci-0", 703, R8A77470_CLK_MP), + DEF_MOD("usbhs-0", 704, R8A77470_CLK_HP), + DEF_MOD("usb-ehci-1", 705, R8A77470_CLK_MP), + DEF_MOD("usbhs-1", 706, R8A77470_CLK_HP), + DEF_MOD("hscif2", 713, R8A77470_CLK_ZS), + DEF_MOD("scif5", 714, R8A77470_CLK_P), + DEF_MOD("scif4", 715, R8A77470_CLK_P), + DEF_MOD("hscif1", 716, R8A77470_CLK_ZS), + DEF_MOD("hscif0", 717, R8A77470_CLK_ZS), + DEF_MOD("scif3", 718, R8A77470_CLK_P), + DEF_MOD("scif2", 719, R8A77470_CLK_P), + DEF_MOD("scif1", 720, R8A77470_CLK_P), + DEF_MOD("scif0", 721, R8A77470_CLK_P), + DEF_MOD("du1", 723, R8A77470_CLK_ZX), + DEF_MOD("du0", 724, R8A77470_CLK_ZX), + DEF_MOD("ipmmu-sgx", 800, R8A77470_CLK_ZX), + DEF_MOD("etheravb", 812, R8A77470_CLK_HP), + DEF_MOD("ether", 813, R8A77470_CLK_P), + DEF_MOD("gpio5", 907, R8A77470_CLK_CP), + DEF_MOD("gpio4", 908, R8A77470_CLK_CP), + DEF_MOD("gpio3", 909, R8A77470_CLK_CP), + DEF_MOD("gpio2", 910, R8A77470_CLK_CP), + DEF_MOD("gpio1", 911, R8A77470_CLK_CP), + DEF_MOD("gpio0", 912, R8A77470_CLK_CP), + DEF_MOD("can1", 915, R8A77470_CLK_P), + DEF_MOD("can0", 916, R8A77470_CLK_P), + DEF_MOD("qspi_mod-1", 917, R8A77470_CLK_QSPI), + DEF_MOD("qspi_mod-0", 918, R8A77470_CLK_QSPI), + DEF_MOD("i2c4", 927, R8A77470_CLK_HP), + DEF_MOD("i2c3", 928, R8A77470_CLK_HP), + DEF_MOD("i2c2", 929, R8A77470_CLK_HP), + DEF_MOD("i2c1", 930, R8A77470_CLK_HP), + DEF_MOD("i2c0", 931, R8A77470_CLK_HP), + DEF_MOD("ssi-all", 1005, R8A77470_CLK_P), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A77470_CLK_P), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a77470_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-SYS (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 (MHz) *1 *2 + *--------------------------------------------------- + * 0 0 20 x80 x78 x50 + * 0 1 26 x60 x60 x56 + * 1 0 Prohibited setting + * 1 1 30 x52 x52 x50 + * + * *1 : Table 7.4 indicates VCO output (PLL0 = VCO) + * *2 : Table 7.4 indicates VCO output (PLL1 = VCO) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) + +static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[4] __initconst = { + /* EXTAL div PLL1 mult x2 PLL3 mult */ + { 1, 156, 50, }, + { 1, 120, 56, }, + { /* Invalid*/ }, + { 1, 104, 50, }, +}; + +static int __init r8a77470_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen2_cpg_init(cpg_pll_config, 2, cpg_mode); +} + +const struct cpg_mssr_info r8a77470_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77470_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77470_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77470_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77470_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77470_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77470_crit_mod_clks), + + /* Callbacks */ + .init = r8a77470_cpg_mssr_init, + .cpg_clk_register = rcar_gen2_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a774a1-cpg-mssr.c b/drivers/clk/renesas/r8a774a1-cpg-mssr.c new file mode 100644 index 000000000..aba043f99 --- /dev/null +++ b/drivers/clk/renesas/r8a774a1-cpg-mssr.c @@ -0,0 +1,346 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a774a1 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Renesas Electronics Corp. + * + * Based on r8a7796-cpg-mssr.c + * + * Copyright (C) 2016 Glider bvba + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a774a1-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A774A1_CLK_CANFD, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL4, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_RPCSRC, + CLK_RINT, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a774a1_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + + /* Core Clock Outputs */ + DEF_GEN3_Z("z", R8A774A1_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0, 2, 8), + DEF_GEN3_Z("z2", R8A774A1_CLK_Z2, CLK_TYPE_GEN3_Z, CLK_PLL2, 2, 0), + DEF_GEN3_Z("zg", R8A774A1_CLK_ZG, CLK_TYPE_GEN3_ZG, CLK_PLL4, 4, 24), + DEF_FIXED("ztr", R8A774A1_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A774A1_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A774A1_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A774A1_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A774A1_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A774A1_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A774A1_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A774A1_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A774A1_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d8", R8A774A1_CLK_S0D8, CLK_S0, 8, 1), + DEF_FIXED("s0d12", R8A774A1_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s1d2", R8A774A1_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A774A1_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A774A1_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A774A1_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A774A1_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A774A1_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A774A1_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A774A1_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SDH("sd0h", R8A774A1_CLK_SD0H, CLK_SDSRC, 0x074), + DEF_GEN3_SDH("sd1h", R8A774A1_CLK_SD1H, CLK_SDSRC, 0x078), + DEF_GEN3_SDH("sd2h", R8A774A1_CLK_SD2H, CLK_SDSRC, 0x268), + DEF_GEN3_SDH("sd3h", R8A774A1_CLK_SD3H, CLK_SDSRC, 0x26c), + DEF_GEN3_SD("sd0", R8A774A1_CLK_SD0, R8A774A1_CLK_SD0H, 0x074), + DEF_GEN3_SD("sd1", R8A774A1_CLK_SD1, R8A774A1_CLK_SD1H, 0x078), + DEF_GEN3_SD("sd2", R8A774A1_CLK_SD2, R8A774A1_CLK_SD2H, 0x268), + DEF_GEN3_SD("sd3", R8A774A1_CLK_SD3, R8A774A1_CLK_SD3H, 0x26c), + + DEF_BASE("rpc", R8A774A1_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A774A1_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A774A1_CLK_RPC), + + DEF_FIXED("cl", R8A774A1_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cp", R8A774A1_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A774A1_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A774A1_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A774A1_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A774A1_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("hdmi", R8A774A1_CLK_HDMI, CLK_PLL1_DIV4, 0x250), + + DEF_GEN3_OSC("osc", R8A774A1_CLK_OSC, CLK_EXTAL, 8), + + DEF_BASE("r", R8A774A1_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), +}; + +static const struct mssr_mod_clk r8a774a1_mod_clks[] __initconst = { + DEF_MOD("3dge", 112, R8A774A1_CLK_ZG), + DEF_MOD("tmu4", 121, R8A774A1_CLK_S0D6), + DEF_MOD("tmu3", 122, R8A774A1_CLK_S3D2), + DEF_MOD("tmu2", 123, R8A774A1_CLK_S3D2), + DEF_MOD("tmu1", 124, R8A774A1_CLK_S3D2), + DEF_MOD("tmu0", 125, R8A774A1_CLK_CP), + DEF_MOD("fdp1-0", 119, R8A774A1_CLK_S0D1), + DEF_MOD("scif5", 202, R8A774A1_CLK_S3D4), + DEF_MOD("scif4", 203, R8A774A1_CLK_S3D4), + DEF_MOD("scif3", 204, R8A774A1_CLK_S3D4), + DEF_MOD("scif1", 206, R8A774A1_CLK_S3D4), + DEF_MOD("scif0", 207, R8A774A1_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A774A1_CLK_MSO), + DEF_MOD("msiof2", 209, R8A774A1_CLK_MSO), + DEF_MOD("msiof1", 210, R8A774A1_CLK_MSO), + DEF_MOD("msiof0", 211, R8A774A1_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A774A1_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A774A1_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A774A1_CLK_S0D3), + DEF_MOD("cmt3", 300, R8A774A1_CLK_R), + DEF_MOD("cmt2", 301, R8A774A1_CLK_R), + DEF_MOD("cmt1", 302, R8A774A1_CLK_R), + DEF_MOD("cmt0", 303, R8A774A1_CLK_R), + DEF_MOD("scif2", 310, R8A774A1_CLK_S3D4), + DEF_MOD("sdif3", 311, R8A774A1_CLK_SD3), + DEF_MOD("sdif2", 312, R8A774A1_CLK_SD2), + DEF_MOD("sdif1", 313, R8A774A1_CLK_SD1), + DEF_MOD("sdif0", 314, R8A774A1_CLK_SD0), + DEF_MOD("pcie1", 318, R8A774A1_CLK_S3D1), + DEF_MOD("pcie0", 319, R8A774A1_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A774A1_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A774A1_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A774A1_CLK_S3D1), + DEF_MOD("rwdt", 402, R8A774A1_CLK_R), + DEF_MOD("intc-ex", 407, R8A774A1_CLK_CP), + DEF_MOD("intc-ap", 408, R8A774A1_CLK_S0D3), + DEF_MOD("audmac1", 501, R8A774A1_CLK_S1D2), + DEF_MOD("audmac0", 502, R8A774A1_CLK_S1D2), + DEF_MOD("hscif4", 516, R8A774A1_CLK_S3D1), + DEF_MOD("hscif3", 517, R8A774A1_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A774A1_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A774A1_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A774A1_CLK_S3D1), + DEF_MOD("thermal", 522, R8A774A1_CLK_CP), + DEF_MOD("pwm", 523, R8A774A1_CLK_S0D12), + DEF_MOD("fcpvd2", 601, R8A774A1_CLK_S0D2), + DEF_MOD("fcpvd1", 602, R8A774A1_CLK_S0D2), + DEF_MOD("fcpvd0", 603, R8A774A1_CLK_S0D2), + DEF_MOD("fcpvb0", 607, R8A774A1_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A774A1_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A774A1_CLK_S0D1), + DEF_MOD("fcpci0", 617, R8A774A1_CLK_S0D2), + DEF_MOD("fcpcs", 619, R8A774A1_CLK_S0D2), + DEF_MOD("vspd2", 621, R8A774A1_CLK_S0D2), + DEF_MOD("vspd1", 622, R8A774A1_CLK_S0D2), + DEF_MOD("vspd0", 623, R8A774A1_CLK_S0D2), + DEF_MOD("vspb", 626, R8A774A1_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A774A1_CLK_S0D1), + DEF_MOD("ehci1", 702, R8A774A1_CLK_S3D2), + DEF_MOD("ehci0", 703, R8A774A1_CLK_S3D2), + DEF_MOD("hsusb", 704, R8A774A1_CLK_S3D2), + DEF_MOD("csi20", 714, R8A774A1_CLK_CSI0), + DEF_MOD("csi40", 716, R8A774A1_CLK_CSI0), + DEF_MOD("du2", 722, R8A774A1_CLK_S2D1), + DEF_MOD("du1", 723, R8A774A1_CLK_S2D1), + DEF_MOD("du0", 724, R8A774A1_CLK_S2D1), + DEF_MOD("lvds", 727, R8A774A1_CLK_S2D1), + DEF_MOD("hdmi0", 729, R8A774A1_CLK_HDMI), + DEF_MOD("vin7", 804, R8A774A1_CLK_S0D2), + DEF_MOD("vin6", 805, R8A774A1_CLK_S0D2), + DEF_MOD("vin5", 806, R8A774A1_CLK_S0D2), + DEF_MOD("vin4", 807, R8A774A1_CLK_S0D2), + DEF_MOD("vin3", 808, R8A774A1_CLK_S0D2), + DEF_MOD("vin2", 809, R8A774A1_CLK_S0D2), + DEF_MOD("vin1", 810, R8A774A1_CLK_S0D2), + DEF_MOD("vin0", 811, R8A774A1_CLK_S0D2), + DEF_MOD("etheravb", 812, R8A774A1_CLK_S0D6), + DEF_MOD("gpio7", 905, R8A774A1_CLK_S3D4), + DEF_MOD("gpio6", 906, R8A774A1_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A774A1_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A774A1_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A774A1_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A774A1_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A774A1_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A774A1_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A774A1_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A774A1_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A774A1_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A774A1_CLK_RPCD2), + DEF_MOD("i2c6", 918, R8A774A1_CLK_S0D6), + DEF_MOD("i2c5", 919, R8A774A1_CLK_S0D6), + DEF_MOD("adg", 922, R8A774A1_CLK_S0D4), + DEF_MOD("iic-pmic", 926, R8A774A1_CLK_CP), + DEF_MOD("i2c4", 927, R8A774A1_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A774A1_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A774A1_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A774A1_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A774A1_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A774A1_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A774A1_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a774a1_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 OSC + * 14 13 19 17 (MHz) + *------------------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 /16 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 /19 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 /24 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 /32 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, +}; + +static int __init r8a774a1_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a774a1_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a774a1_core_clks, + .num_core_clks = ARRAY_SIZE(r8a774a1_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a774a1_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a774a1_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a774a1_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a774a1_crit_mod_clks), + + /* Callbacks */ + .init = r8a774a1_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a774b1-cpg-mssr.c b/drivers/clk/renesas/r8a774b1-cpg-mssr.c new file mode 100644 index 000000000..a3244e76f --- /dev/null +++ b/drivers/clk/renesas/r8a774b1-cpg-mssr.c @@ -0,0 +1,342 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a774b1 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2019 Renesas Electronics Corp. + * + * Based on r8a7796-cpg-mssr.c + * + * Copyright (C) 2016 Glider bvba + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a774b1-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A774B1_CLK_CANFD, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL4, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_RPCSRC, + CLK_RINT, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a774b1_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + + /* Core Clock Outputs */ + DEF_GEN3_Z("z", R8A774B1_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0, 2, 8), + DEF_GEN3_Z("zg", R8A774B1_CLK_ZG, CLK_TYPE_GEN3_ZG, CLK_PLL4, 4, 24), + DEF_FIXED("ztr", R8A774B1_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A774B1_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A774B1_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A774B1_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A774B1_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A774B1_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A774B1_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A774B1_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A774B1_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d8", R8A774B1_CLK_S0D8, CLK_S0, 8, 1), + DEF_FIXED("s0d12", R8A774B1_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s1d2", R8A774B1_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A774B1_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A774B1_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A774B1_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A774B1_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A774B1_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A774B1_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A774B1_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SDH("sd0h", R8A774B1_CLK_SD0H, CLK_SDSRC, 0x074), + DEF_GEN3_SDH("sd1h", R8A774B1_CLK_SD1H, CLK_SDSRC, 0x078), + DEF_GEN3_SDH("sd2h", R8A774B1_CLK_SD2H, CLK_SDSRC, 0x268), + DEF_GEN3_SDH("sd3h", R8A774B1_CLK_SD3H, CLK_SDSRC, 0x26c), + DEF_GEN3_SD("sd0", R8A774B1_CLK_SD0, R8A774B1_CLK_SD0H, 0x074), + DEF_GEN3_SD("sd1", R8A774B1_CLK_SD1, R8A774B1_CLK_SD1H, 0x078), + DEF_GEN3_SD("sd2", R8A774B1_CLK_SD2, R8A774B1_CLK_SD2H, 0x268), + DEF_GEN3_SD("sd3", R8A774B1_CLK_SD3, R8A774B1_CLK_SD3H, 0x26c), + + DEF_BASE("rpc", R8A774B1_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A774B1_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A774B1_CLK_RPC), + + DEF_FIXED("cl", R8A774B1_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cp", R8A774B1_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A774B1_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A774B1_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A774B1_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A774B1_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("hdmi", R8A774B1_CLK_HDMI, CLK_PLL1_DIV4, 0x250), + + DEF_GEN3_OSC("osc", R8A774B1_CLK_OSC, CLK_EXTAL, 8), + + DEF_BASE("r", R8A774B1_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), +}; + +static const struct mssr_mod_clk r8a774b1_mod_clks[] __initconst = { + DEF_MOD("3dge", 112, R8A774B1_CLK_ZG), + DEF_MOD("tmu4", 121, R8A774B1_CLK_S0D6), + DEF_MOD("tmu3", 122, R8A774B1_CLK_S3D2), + DEF_MOD("tmu2", 123, R8A774B1_CLK_S3D2), + DEF_MOD("tmu1", 124, R8A774B1_CLK_S3D2), + DEF_MOD("tmu0", 125, R8A774B1_CLK_CP), + DEF_MOD("fdp1-0", 119, R8A774B1_CLK_S0D1), + DEF_MOD("scif5", 202, R8A774B1_CLK_S3D4), + DEF_MOD("scif4", 203, R8A774B1_CLK_S3D4), + DEF_MOD("scif3", 204, R8A774B1_CLK_S3D4), + DEF_MOD("scif1", 206, R8A774B1_CLK_S3D4), + DEF_MOD("scif0", 207, R8A774B1_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A774B1_CLK_MSO), + DEF_MOD("msiof2", 209, R8A774B1_CLK_MSO), + DEF_MOD("msiof1", 210, R8A774B1_CLK_MSO), + DEF_MOD("msiof0", 211, R8A774B1_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A774B1_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A774B1_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A774B1_CLK_S0D3), + DEF_MOD("cmt3", 300, R8A774B1_CLK_R), + DEF_MOD("cmt2", 301, R8A774B1_CLK_R), + DEF_MOD("cmt1", 302, R8A774B1_CLK_R), + DEF_MOD("cmt0", 303, R8A774B1_CLK_R), + DEF_MOD("tpu0", 304, R8A774B1_CLK_S3D4), + DEF_MOD("scif2", 310, R8A774B1_CLK_S3D4), + DEF_MOD("sdif3", 311, R8A774B1_CLK_SD3), + DEF_MOD("sdif2", 312, R8A774B1_CLK_SD2), + DEF_MOD("sdif1", 313, R8A774B1_CLK_SD1), + DEF_MOD("sdif0", 314, R8A774B1_CLK_SD0), + DEF_MOD("pcie1", 318, R8A774B1_CLK_S3D1), + DEF_MOD("pcie0", 319, R8A774B1_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A774B1_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A774B1_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A774B1_CLK_S3D1), + DEF_MOD("rwdt", 402, R8A774B1_CLK_R), + DEF_MOD("intc-ex", 407, R8A774B1_CLK_CP), + DEF_MOD("intc-ap", 408, R8A774B1_CLK_S0D3), + DEF_MOD("audmac1", 501, R8A774B1_CLK_S1D2), + DEF_MOD("audmac0", 502, R8A774B1_CLK_S1D2), + DEF_MOD("hscif4", 516, R8A774B1_CLK_S3D1), + DEF_MOD("hscif3", 517, R8A774B1_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A774B1_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A774B1_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A774B1_CLK_S3D1), + DEF_MOD("thermal", 522, R8A774B1_CLK_CP), + DEF_MOD("pwm", 523, R8A774B1_CLK_S0D12), + DEF_MOD("fcpvd1", 602, R8A774B1_CLK_S0D2), + DEF_MOD("fcpvd0", 603, R8A774B1_CLK_S0D2), + DEF_MOD("fcpvb0", 607, R8A774B1_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A774B1_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A774B1_CLK_S0D1), + DEF_MOD("fcpcs", 619, R8A774B1_CLK_S0D2), + DEF_MOD("vspd1", 622, R8A774B1_CLK_S0D2), + DEF_MOD("vspd0", 623, R8A774B1_CLK_S0D2), + DEF_MOD("vspb", 626, R8A774B1_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A774B1_CLK_S0D1), + DEF_MOD("ehci1", 702, R8A774B1_CLK_S3D2), + DEF_MOD("ehci0", 703, R8A774B1_CLK_S3D2), + DEF_MOD("hsusb", 704, R8A774B1_CLK_S3D2), + DEF_MOD("csi20", 714, R8A774B1_CLK_CSI0), + DEF_MOD("csi40", 716, R8A774B1_CLK_CSI0), + DEF_MOD("du3", 721, R8A774B1_CLK_S2D1), + DEF_MOD("du1", 723, R8A774B1_CLK_S2D1), + DEF_MOD("du0", 724, R8A774B1_CLK_S2D1), + DEF_MOD("lvds", 727, R8A774B1_CLK_S2D1), + DEF_MOD("hdmi0", 729, R8A774B1_CLK_HDMI), + DEF_MOD("vin7", 804, R8A774B1_CLK_S0D2), + DEF_MOD("vin6", 805, R8A774B1_CLK_S0D2), + DEF_MOD("vin5", 806, R8A774B1_CLK_S0D2), + DEF_MOD("vin4", 807, R8A774B1_CLK_S0D2), + DEF_MOD("vin3", 808, R8A774B1_CLK_S0D2), + DEF_MOD("vin2", 809, R8A774B1_CLK_S0D2), + DEF_MOD("vin1", 810, R8A774B1_CLK_S0D2), + DEF_MOD("vin0", 811, R8A774B1_CLK_S0D2), + DEF_MOD("etheravb", 812, R8A774B1_CLK_S0D6), + DEF_MOD("sata0", 815, R8A774B1_CLK_S3D2), + DEF_MOD("gpio7", 905, R8A774B1_CLK_S3D4), + DEF_MOD("gpio6", 906, R8A774B1_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A774B1_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A774B1_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A774B1_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A774B1_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A774B1_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A774B1_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A774B1_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A774B1_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A774B1_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A774B1_CLK_RPCD2), + DEF_MOD("i2c6", 918, R8A774B1_CLK_S0D6), + DEF_MOD("i2c5", 919, R8A774B1_CLK_S0D6), + DEF_MOD("adg", 922, R8A774B1_CLK_S0D4), + DEF_MOD("iic-pmic", 926, R8A774B1_CLK_CP), + DEF_MOD("i2c4", 927, R8A774B1_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A774B1_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A774B1_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A774B1_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A774B1_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A774B1_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A774B1_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a774b1_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 PLL4 OSC + * 14 13 19 17 (MHz) + *----------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x128 x144 /16 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x106 x120 /19 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x84 x96 /24 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x128 x144 /32 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x192 x144 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, +}; + +static int __init r8a774b1_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a774b1_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a774b1_core_clks, + .num_core_clks = ARRAY_SIZE(r8a774b1_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a774b1_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a774b1_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a774b1_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a774b1_crit_mod_clks), + + /* Callbacks */ + .init = r8a774b1_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a774c0-cpg-mssr.c b/drivers/clk/renesas/r8a774c0-cpg-mssr.c new file mode 100644 index 000000000..870f8c55e --- /dev/null +++ b/drivers/clk/renesas/r8a774c0-cpg-mssr.c @@ -0,0 +1,308 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a774c0 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Renesas Electronics Corp. + * + * Based on r8a77990-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a774c0-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A774C0_CLK_CANFD, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL0D4, + CLK_PLL0D6, + CLK_PLL0D8, + CLK_PLL0D20, + CLK_PLL0D24, + CLK_PLL1D2, + CLK_PE, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_RPCSRC, + CLK_RINT, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a774c0_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + + DEF_FIXED(".pll0", CLK_PLL0, CLK_MAIN, 1, 100), + DEF_FIXED(".pll0d4", CLK_PLL0D4, CLK_PLL0, 4, 1), + DEF_FIXED(".pll0d6", CLK_PLL0D6, CLK_PLL0, 6, 1), + DEF_FIXED(".pll0d8", CLK_PLL0D8, CLK_PLL0, 8, 1), + DEF_FIXED(".pll0d20", CLK_PLL0D20, CLK_PLL0, 20, 1), + DEF_FIXED(".pll0d24", CLK_PLL0D24, CLK_PLL0, 24, 1), + DEF_FIXED(".pll1d2", CLK_PLL1D2, CLK_PLL1, 2, 1), + DEF_FIXED(".pe", CLK_PE, CLK_PLL0D20, 1, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1), + + DEF_FIXED_RPCSRC_E3(".rpcsrc", CLK_RPCSRC, CLK_PLL0, CLK_PLL1), + + DEF_DIV6_RO(".r", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + + DEF_RATE(".oco", CLK_OCO, 8 * 1000 * 1000), + + /* Core Clock Outputs */ + DEF_FIXED("za2", R8A774C0_CLK_ZA2, CLK_PLL0D24, 1, 1), + DEF_FIXED("za8", R8A774C0_CLK_ZA8, CLK_PLL0D8, 1, 1), + DEF_GEN3_Z("z2", R8A774C0_CLK_Z2, CLK_TYPE_GEN3_Z, CLK_PLL0, 4, 8), + DEF_FIXED("ztr", R8A774C0_CLK_ZTR, CLK_PLL1, 6, 1), + DEF_FIXED("zt", R8A774C0_CLK_ZT, CLK_PLL1, 4, 1), + DEF_FIXED("zx", R8A774C0_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("s0d1", R8A774C0_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d3", R8A774C0_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d6", R8A774C0_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d12", R8A774C0_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s0d24", R8A774C0_CLK_S0D24, CLK_S0, 24, 1), + DEF_FIXED("s1d1", R8A774C0_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A774C0_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A774C0_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A774C0_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A774C0_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A774C0_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A774C0_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A774C0_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A774C0_CLK_S3D4, CLK_S3, 4, 1), + + DEF_BASE("rpc", R8A774C0_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A774C0_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A774C0_CLK_RPC), + + DEF_GEN3_SDH("sd0h", R8A774C0_CLK_SD0H, CLK_SDSRC, 0x0074), + DEF_GEN3_SDH("sd1h", R8A774C0_CLK_SD1H, CLK_SDSRC, 0x0078), + DEF_GEN3_SDH("sd3h", R8A774C0_CLK_SD3H, CLK_SDSRC, 0x026c), + DEF_GEN3_SD("sd0", R8A774C0_CLK_SD0, R8A774C0_CLK_SD0H, 0x0074), + DEF_GEN3_SD("sd1", R8A774C0_CLK_SD1, R8A774C0_CLK_SD1H, 0x0078), + DEF_GEN3_SD("sd3", R8A774C0_CLK_SD3, R8A774C0_CLK_SD3H, 0x026c), + + DEF_FIXED("cl", R8A774C0_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("cp", R8A774C0_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A774C0_CLK_CPEX, CLK_EXTAL, 4, 1), + + DEF_DIV6_RO("osc", R8A774C0_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), + + DEF_GEN3_PE("s0d6c", R8A774C0_CLK_S0D6C, CLK_S0, 6, CLK_PE, 2), + DEF_GEN3_PE("s3d1c", R8A774C0_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1), + DEF_GEN3_PE("s3d2c", R8A774C0_CLK_S3D2C, CLK_S3, 2, CLK_PE, 2), + DEF_GEN3_PE("s3d4c", R8A774C0_CLK_S3D4C, CLK_S3, 4, CLK_PE, 4), + + DEF_DIV6P1("canfd", R8A774C0_CLK_CANFD, CLK_PLL0D6, 0x244), + DEF_DIV6P1("csi0", R8A774C0_CLK_CSI0, CLK_PLL1D2, 0x00c), + DEF_DIV6P1("mso", R8A774C0_CLK_MSO, CLK_PLL1D2, 0x014), + + DEF_GEN3_RCKSEL("r", R8A774C0_CLK_R, CLK_RINT, 1, CLK_OCO, 61 * 4), +}; + +static const struct mssr_mod_clk r8a774c0_mod_clks[] __initconst = { + DEF_MOD("tmu4", 121, R8A774C0_CLK_S0D6C), + DEF_MOD("tmu3", 122, R8A774C0_CLK_S3D2C), + DEF_MOD("tmu2", 123, R8A774C0_CLK_S3D2C), + DEF_MOD("tmu1", 124, R8A774C0_CLK_S3D2C), + DEF_MOD("tmu0", 125, R8A774C0_CLK_CP), + DEF_MOD("scif5", 202, R8A774C0_CLK_S3D4C), + DEF_MOD("scif4", 203, R8A774C0_CLK_S3D4C), + DEF_MOD("scif3", 204, R8A774C0_CLK_S3D4C), + DEF_MOD("scif1", 206, R8A774C0_CLK_S3D4C), + DEF_MOD("scif0", 207, R8A774C0_CLK_S3D4C), + DEF_MOD("msiof3", 208, R8A774C0_CLK_MSO), + DEF_MOD("msiof2", 209, R8A774C0_CLK_MSO), + DEF_MOD("msiof1", 210, R8A774C0_CLK_MSO), + DEF_MOD("msiof0", 211, R8A774C0_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A774C0_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A774C0_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A774C0_CLK_S3D1), + + DEF_MOD("cmt3", 300, R8A774C0_CLK_R), + DEF_MOD("cmt2", 301, R8A774C0_CLK_R), + DEF_MOD("cmt1", 302, R8A774C0_CLK_R), + DEF_MOD("cmt0", 303, R8A774C0_CLK_R), + DEF_MOD("scif2", 310, R8A774C0_CLK_S3D4C), + DEF_MOD("sdif3", 311, R8A774C0_CLK_SD3), + DEF_MOD("sdif1", 313, R8A774C0_CLK_SD1), + DEF_MOD("sdif0", 314, R8A774C0_CLK_SD0), + DEF_MOD("pcie0", 319, R8A774C0_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A774C0_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A774C0_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A774C0_CLK_S3D1), + + DEF_MOD("rwdt", 402, R8A774C0_CLK_R), + DEF_MOD("intc-ex", 407, R8A774C0_CLK_CP), + DEF_MOD("intc-ap", 408, R8A774C0_CLK_S0D3), + + DEF_MOD("audmac0", 502, R8A774C0_CLK_S1D2), + DEF_MOD("hscif4", 516, R8A774C0_CLK_S3D1C), + DEF_MOD("hscif3", 517, R8A774C0_CLK_S3D1C), + DEF_MOD("hscif2", 518, R8A774C0_CLK_S3D1C), + DEF_MOD("hscif1", 519, R8A774C0_CLK_S3D1C), + DEF_MOD("hscif0", 520, R8A774C0_CLK_S3D1C), + DEF_MOD("thermal", 522, R8A774C0_CLK_CP), + DEF_MOD("pwm", 523, R8A774C0_CLK_S3D4C), + + DEF_MOD("fcpvd1", 602, R8A774C0_CLK_S1D2), + DEF_MOD("fcpvd0", 603, R8A774C0_CLK_S1D2), + DEF_MOD("fcpvb0", 607, R8A774C0_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A774C0_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A774C0_CLK_S0D1), + DEF_MOD("fcpcs", 619, R8A774C0_CLK_S0D1), + DEF_MOD("vspd1", 622, R8A774C0_CLK_S1D2), + DEF_MOD("vspd0", 623, R8A774C0_CLK_S1D2), + DEF_MOD("vspb", 626, R8A774C0_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A774C0_CLK_S0D1), + + DEF_MOD("ehci0", 703, R8A774C0_CLK_S3D2), + DEF_MOD("hsusb", 704, R8A774C0_CLK_S3D2), + DEF_MOD("csi40", 716, R8A774C0_CLK_CSI0), + DEF_MOD("du1", 723, R8A774C0_CLK_S1D1), + DEF_MOD("du0", 724, R8A774C0_CLK_S1D1), + DEF_MOD("lvds", 727, R8A774C0_CLK_S2D1), + + DEF_MOD("vin5", 806, R8A774C0_CLK_S1D2), + DEF_MOD("vin4", 807, R8A774C0_CLK_S1D2), + DEF_MOD("etheravb", 812, R8A774C0_CLK_S3D2), + + DEF_MOD("gpio6", 906, R8A774C0_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A774C0_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A774C0_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A774C0_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A774C0_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A774C0_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A774C0_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A774C0_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A774C0_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A774C0_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A774C0_CLK_RPCD2), + DEF_MOD("i2c6", 918, R8A774C0_CLK_S3D2), + DEF_MOD("i2c5", 919, R8A774C0_CLK_S3D2), + DEF_MOD("adg", 922, R8A774C0_CLK_ZA2), + DEF_MOD("iic-pmic", 926, R8A774C0_CLK_CP), + DEF_MOD("i2c4", 927, R8A774C0_CLK_S3D2), + DEF_MOD("i2c3", 928, R8A774C0_CLK_S3D2), + DEF_MOD("i2c2", 929, R8A774C0_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A774C0_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A774C0_CLK_S3D2), + + DEF_MOD("i2c7", 1003, R8A774C0_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A774C0_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A774C0_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a774c0_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD19 EXTAL (MHz) PLL0 PLL1 PLL3 + *-------------------------------------------------------------------- + * 0 48 x 1 x100/1 x100/3 x100/3 + * 1 48 x 1 x100/1 x100/3 x58/3 + */ +#define CPG_PLL_CONFIG_INDEX(md) (((md) & BIT(19)) >> 19) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[2] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 100, 3, 100, 3, }, + { 1, 100, 3, 58, 3, }, +}; + +static int __init r8a774c0_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen3_cpg_init(cpg_pll_config, 0, cpg_mode); +} + +const struct cpg_mssr_info r8a774c0_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a774c0_core_clks, + .num_core_clks = ARRAY_SIZE(r8a774c0_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a774c0_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a774c0_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a774c0_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a774c0_crit_mod_clks), + + /* Callbacks */ + .init = r8a774c0_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a774e1-cpg-mssr.c b/drivers/clk/renesas/r8a774e1-cpg-mssr.c new file mode 100644 index 000000000..7158464c8 --- /dev/null +++ b/drivers/clk/renesas/r8a774e1-cpg-mssr.c @@ -0,0 +1,354 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a774e1 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2020 Renesas Electronics Corp. + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a774e1-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A774E1_CLK_CANFD, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL4, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_RPCSRC, + CLK_RINT, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a774e1_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + + /* Core Clock Outputs */ + DEF_GEN3_Z("z", R8A774E1_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0, 2, 8), + DEF_GEN3_Z("z2", R8A774E1_CLK_Z2, CLK_TYPE_GEN3_Z, CLK_PLL2, 2, 0), + DEF_GEN3_Z("zg", R8A774E1_CLK_ZG, CLK_TYPE_GEN3_ZG, CLK_PLL4, 4, 24), + DEF_FIXED("ztr", R8A774E1_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A774E1_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A774E1_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A774E1_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A774E1_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A774E1_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A774E1_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A774E1_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A774E1_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d8", R8A774E1_CLK_S0D8, CLK_S0, 8, 1), + DEF_FIXED("s0d12", R8A774E1_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s1d2", R8A774E1_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A774E1_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A774E1_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A774E1_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A774E1_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A774E1_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A774E1_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A774E1_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SDH("sd0h", R8A774E1_CLK_SD0H, CLK_SDSRC, 0x074), + DEF_GEN3_SDH("sd1h", R8A774E1_CLK_SD1H, CLK_SDSRC, 0x078), + DEF_GEN3_SDH("sd2h", R8A774E1_CLK_SD2H, CLK_SDSRC, 0x268), + DEF_GEN3_SDH("sd3h", R8A774E1_CLK_SD3H, CLK_SDSRC, 0x26c), + DEF_GEN3_SD("sd0", R8A774E1_CLK_SD0, R8A774E1_CLK_SD0H, 0x074), + DEF_GEN3_SD("sd1", R8A774E1_CLK_SD1, R8A774E1_CLK_SD1H, 0x078), + DEF_GEN3_SD("sd2", R8A774E1_CLK_SD2, R8A774E1_CLK_SD2H, 0x268), + DEF_GEN3_SD("sd3", R8A774E1_CLK_SD3, R8A774E1_CLK_SD3H, 0x26c), + + DEF_BASE("rpc", R8A774E1_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A774E1_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A774E1_CLK_RPC), + + DEF_FIXED("cl", R8A774E1_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cr", R8A774E1_CLK_CR, CLK_PLL1_DIV4, 2, 1), + DEF_FIXED("cp", R8A774E1_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A774E1_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A774E1_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A774E1_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A774E1_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("hdmi", R8A774E1_CLK_HDMI, CLK_PLL1_DIV4, 0x250), + + DEF_GEN3_OSC("osc", R8A774E1_CLK_OSC, CLK_EXTAL, 8), + + DEF_BASE("r", R8A774E1_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), +}; + +static const struct mssr_mod_clk r8a774e1_mod_clks[] __initconst = { + DEF_MOD("3dge", 112, R8A774E1_CLK_ZG), + DEF_MOD("fdp1-1", 118, R8A774E1_CLK_S0D1), + DEF_MOD("fdp1-0", 119, R8A774E1_CLK_S0D1), + DEF_MOD("tmu4", 121, R8A774E1_CLK_S0D6), + DEF_MOD("tmu3", 122, R8A774E1_CLK_S3D2), + DEF_MOD("tmu2", 123, R8A774E1_CLK_S3D2), + DEF_MOD("tmu1", 124, R8A774E1_CLK_S3D2), + DEF_MOD("tmu0", 125, R8A774E1_CLK_CP), + DEF_MOD("vcplf", 130, R8A774E1_CLK_S2D1), + DEF_MOD("vdpb", 131, R8A774E1_CLK_S2D1), + DEF_MOD("scif5", 202, R8A774E1_CLK_S3D4), + DEF_MOD("scif4", 203, R8A774E1_CLK_S3D4), + DEF_MOD("scif3", 204, R8A774E1_CLK_S3D4), + DEF_MOD("scif1", 206, R8A774E1_CLK_S3D4), + DEF_MOD("scif0", 207, R8A774E1_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A774E1_CLK_MSO), + DEF_MOD("msiof2", 209, R8A774E1_CLK_MSO), + DEF_MOD("msiof1", 210, R8A774E1_CLK_MSO), + DEF_MOD("msiof0", 211, R8A774E1_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A774E1_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A774E1_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A774E1_CLK_S0D3), + DEF_MOD("cmt3", 300, R8A774E1_CLK_R), + DEF_MOD("cmt2", 301, R8A774E1_CLK_R), + DEF_MOD("cmt1", 302, R8A774E1_CLK_R), + DEF_MOD("cmt0", 303, R8A774E1_CLK_R), + DEF_MOD("tpu0", 304, R8A774E1_CLK_S3D4), + DEF_MOD("scif2", 310, R8A774E1_CLK_S3D4), + DEF_MOD("sdif3", 311, R8A774E1_CLK_SD3), + DEF_MOD("sdif2", 312, R8A774E1_CLK_SD2), + DEF_MOD("sdif1", 313, R8A774E1_CLK_SD1), + DEF_MOD("sdif0", 314, R8A774E1_CLK_SD0), + DEF_MOD("pcie1", 318, R8A774E1_CLK_S3D1), + DEF_MOD("pcie0", 319, R8A774E1_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A774E1_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A774E1_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A774E1_CLK_S3D1), + DEF_MOD("rwdt", 402, R8A774E1_CLK_R), + DEF_MOD("intc-ex", 407, R8A774E1_CLK_CP), + DEF_MOD("intc-ap", 408, R8A774E1_CLK_S0D3), + DEF_MOD("audmac1", 501, R8A774E1_CLK_S1D2), + DEF_MOD("audmac0", 502, R8A774E1_CLK_S1D2), + DEF_MOD("hscif4", 516, R8A774E1_CLK_S3D1), + DEF_MOD("hscif3", 517, R8A774E1_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A774E1_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A774E1_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A774E1_CLK_S3D1), + DEF_MOD("thermal", 522, R8A774E1_CLK_CP), + DEF_MOD("pwm", 523, R8A774E1_CLK_S0D12), + DEF_MOD("fcpvd1", 602, R8A774E1_CLK_S0D2), + DEF_MOD("fcpvd0", 603, R8A774E1_CLK_S0D2), + DEF_MOD("fcpvb1", 606, R8A774E1_CLK_S0D1), + DEF_MOD("fcpvb0", 607, R8A774E1_CLK_S0D1), + DEF_MOD("fcpvi1", 610, R8A774E1_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A774E1_CLK_S0D1), + DEF_MOD("fcpf1", 614, R8A774E1_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A774E1_CLK_S0D1), + DEF_MOD("fcpcs", 619, R8A774E1_CLK_S0D1), + DEF_MOD("vspd1", 622, R8A774E1_CLK_S0D2), + DEF_MOD("vspd0", 623, R8A774E1_CLK_S0D2), + DEF_MOD("vspbc", 624, R8A774E1_CLK_S0D1), + DEF_MOD("vspbd", 626, R8A774E1_CLK_S0D1), + DEF_MOD("vspi1", 630, R8A774E1_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A774E1_CLK_S0D1), + DEF_MOD("ehci1", 702, R8A774E1_CLK_S3D2), + DEF_MOD("ehci0", 703, R8A774E1_CLK_S3D2), + DEF_MOD("hsusb", 704, R8A774E1_CLK_S3D2), + DEF_MOD("csi20", 714, R8A774E1_CLK_CSI0), + DEF_MOD("csi40", 716, R8A774E1_CLK_CSI0), + DEF_MOD("du3", 721, R8A774E1_CLK_S2D1), + DEF_MOD("du1", 723, R8A774E1_CLK_S2D1), + DEF_MOD("du0", 724, R8A774E1_CLK_S2D1), + DEF_MOD("lvds", 727, R8A774E1_CLK_S0D4), + DEF_MOD("hdmi0", 729, R8A774E1_CLK_HDMI), + DEF_MOD("vin7", 804, R8A774E1_CLK_S0D2), + DEF_MOD("vin6", 805, R8A774E1_CLK_S0D2), + DEF_MOD("vin5", 806, R8A774E1_CLK_S0D2), + DEF_MOD("vin4", 807, R8A774E1_CLK_S0D2), + DEF_MOD("vin3", 808, R8A774E1_CLK_S0D2), + DEF_MOD("vin2", 809, R8A774E1_CLK_S0D2), + DEF_MOD("vin1", 810, R8A774E1_CLK_S0D2), + DEF_MOD("vin0", 811, R8A774E1_CLK_S0D2), + DEF_MOD("etheravb", 812, R8A774E1_CLK_S0D6), + DEF_MOD("sata0", 815, R8A774E1_CLK_S3D2), + DEF_MOD("gpio7", 905, R8A774E1_CLK_S3D4), + DEF_MOD("gpio6", 906, R8A774E1_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A774E1_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A774E1_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A774E1_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A774E1_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A774E1_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A774E1_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A774E1_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A774E1_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A774E1_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A774E1_CLK_RPCD2), + DEF_MOD("i2c6", 918, R8A774E1_CLK_S0D6), + DEF_MOD("i2c5", 919, R8A774E1_CLK_S0D6), + DEF_MOD("adg", 922, R8A774E1_CLK_S0D4), + DEF_MOD("iic-pmic", 926, R8A774E1_CLK_CP), + DEF_MOD("i2c4", 927, R8A774E1_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A774E1_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A774E1_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A774E1_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A774E1_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A774E1_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A774E1_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a774e1_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 OSC + * 14 13 19 17 (MHz) + *------------------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 /16 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 /19 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 /24 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 /32 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, +}; + +static int __init r8a774e1_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a774e1_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a774e1_core_clks, + .num_core_clks = ARRAY_SIZE(r8a774e1_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a774e1_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a774e1_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a774e1_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a774e1_crit_mod_clks), + + /* Callbacks */ + .init = r8a774e1_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a7790-cpg-mssr.c b/drivers/clk/renesas/r8a7790-cpg-mssr.c new file mode 100644 index 000000000..f7d233e0c --- /dev/null +++ b/drivers/clk/renesas/r8a7790-cpg-mssr.c @@ -0,0 +1,277 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7790 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2017 Glider bvba + * + * Based on clk-rcar-gen2.c + * + * Copyright (C) 2013 Ideas On Board SPRL + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7790-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7790_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_USB_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a7790_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("usb_extal", CLK_USB_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("z", R8A7790_CLK_Z, CLK_TYPE_GEN2_Z, CLK_PLL0), + DEF_BASE("lb", R8A7790_CLK_LB, CLK_TYPE_GEN2_LB, CLK_PLL1), + DEF_BASE("adsp", R8A7790_CLK_ADSP, CLK_TYPE_GEN2_ADSP, CLK_PLL1), + DEF_BASE("sdh", R8A7790_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1), + DEF_BASE("sd0", R8A7790_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1), + DEF_BASE("sd1", R8A7790_CLK_SD1, CLK_TYPE_GEN2_SD1, CLK_PLL1), + DEF_BASE("qspi", R8A7790_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), + DEF_BASE("rcan", R8A7790_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL), + + DEF_FIXED("z2", R8A7790_CLK_Z2, CLK_PLL1, 2, 1), + DEF_FIXED("zg", R8A7790_CLK_ZG, CLK_PLL1, 3, 1), + DEF_FIXED("zx", R8A7790_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("zs", R8A7790_CLK_ZS, CLK_PLL1, 6, 1), + DEF_FIXED("hp", R8A7790_CLK_HP, CLK_PLL1, 12, 1), + DEF_FIXED("i", R8A7790_CLK_I, CLK_PLL1, 2, 1), + DEF_FIXED("b", R8A7790_CLK_B, CLK_PLL1, 12, 1), + DEF_FIXED("p", R8A7790_CLK_P, CLK_PLL1, 24, 1), + DEF_FIXED("cl", R8A7790_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("m2", R8A7790_CLK_M2, CLK_PLL1, 8, 1), + DEF_FIXED("imp", R8A7790_CLK_IMP, CLK_PLL1, 4, 1), + DEF_FIXED("zb3", R8A7790_CLK_ZB3, CLK_PLL3, 4, 1), + DEF_FIXED("zb3d2", R8A7790_CLK_ZB3D2, CLK_PLL3, 8, 1), + DEF_FIXED("ddr", R8A7790_CLK_DDR, CLK_PLL3, 8, 1), + DEF_FIXED("mp", R8A7790_CLK_MP, CLK_PLL1_DIV2, 15, 1), + DEF_FIXED("cp", R8A7790_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("r", R8A7790_CLK_R, CLK_PLL1, 49152, 1), + DEF_FIXED("osc", R8A7790_CLK_OSC, CLK_PLL1, 12288, 1), + + DEF_DIV6P1("sd2", R8A7790_CLK_SD2, CLK_PLL1_DIV2, 0x078), + DEF_DIV6P1("sd3", R8A7790_CLK_SD3, CLK_PLL1_DIV2, 0x26c), + DEF_DIV6P1("mmc0", R8A7790_CLK_MMC0, CLK_PLL1_DIV2, 0x240), + DEF_DIV6P1("mmc1", R8A7790_CLK_MMC1, CLK_PLL1_DIV2, 0x244), + DEF_DIV6P1("ssp", R8A7790_CLK_SSP, CLK_PLL1_DIV2, 0x248), + DEF_DIV6P1("ssprs", R8A7790_CLK_SSPRS, CLK_PLL1_DIV2, 0x24c), +}; + +static const struct mssr_mod_clk r8a7790_mod_clks[] __initconst = { + DEF_MOD("msiof0", 0, R8A7790_CLK_MP), + DEF_MOD("vcp1", 100, R8A7790_CLK_ZS), + DEF_MOD("vcp0", 101, R8A7790_CLK_ZS), + DEF_MOD("vpc1", 102, R8A7790_CLK_ZS), + DEF_MOD("vpc0", 103, R8A7790_CLK_ZS), + DEF_MOD("jpu", 106, R8A7790_CLK_M2), + DEF_MOD("ssp1", 109, R8A7790_CLK_ZS), + DEF_MOD("tmu1", 111, R8A7790_CLK_P), + DEF_MOD("3dg", 112, R8A7790_CLK_ZG), + DEF_MOD("2d-dmac", 115, R8A7790_CLK_ZS), + DEF_MOD("fdp1-2", 117, R8A7790_CLK_ZS), + DEF_MOD("fdp1-1", 118, R8A7790_CLK_ZS), + DEF_MOD("fdp1-0", 119, R8A7790_CLK_ZS), + DEF_MOD("tmu3", 121, R8A7790_CLK_P), + DEF_MOD("tmu2", 122, R8A7790_CLK_P), + DEF_MOD("cmt0", 124, R8A7790_CLK_R), + DEF_MOD("tmu0", 125, R8A7790_CLK_CP), + DEF_MOD("vsp1du1", 127, R8A7790_CLK_ZS), + DEF_MOD("vsp1du0", 128, R8A7790_CLK_ZS), + DEF_MOD("vspr", 130, R8A7790_CLK_ZS), + DEF_MOD("vsps", 131, R8A7790_CLK_ZS), + DEF_MOD("scifa2", 202, R8A7790_CLK_MP), + DEF_MOD("scifa1", 203, R8A7790_CLK_MP), + DEF_MOD("scifa0", 204, R8A7790_CLK_MP), + DEF_MOD("msiof2", 205, R8A7790_CLK_MP), + DEF_MOD("scifb0", 206, R8A7790_CLK_MP), + DEF_MOD("scifb1", 207, R8A7790_CLK_MP), + DEF_MOD("msiof1", 208, R8A7790_CLK_MP), + DEF_MOD("msiof3", 215, R8A7790_CLK_MP), + DEF_MOD("scifb2", 216, R8A7790_CLK_MP), + DEF_MOD("sys-dmac1", 218, R8A7790_CLK_ZS), + DEF_MOD("sys-dmac0", 219, R8A7790_CLK_ZS), + DEF_MOD("iic2", 300, R8A7790_CLK_HP), + DEF_MOD("tpu0", 304, R8A7790_CLK_CP), + DEF_MOD("mmcif1", 305, R8A7790_CLK_MMC1), + DEF_MOD("scif2", 310, R8A7790_CLK_P), + DEF_MOD("sdhi3", 311, R8A7790_CLK_SD3), + DEF_MOD("sdhi2", 312, R8A7790_CLK_SD2), + DEF_MOD("sdhi1", 313, R8A7790_CLK_SD1), + DEF_MOD("sdhi0", 314, R8A7790_CLK_SD0), + DEF_MOD("mmcif0", 315, R8A7790_CLK_MMC0), + DEF_MOD("iic0", 318, R8A7790_CLK_HP), + DEF_MOD("pciec", 319, R8A7790_CLK_MP), + DEF_MOD("iic1", 323, R8A7790_CLK_HP), + DEF_MOD("usb3.0", 328, R8A7790_CLK_MP), + DEF_MOD("cmt1", 329, R8A7790_CLK_R), + DEF_MOD("usbhs-dmac0", 330, R8A7790_CLK_HP), + DEF_MOD("usbhs-dmac1", 331, R8A7790_CLK_HP), + DEF_MOD("rwdt", 402, R8A7790_CLK_R), + DEF_MOD("irqc", 407, R8A7790_CLK_CP), + DEF_MOD("intc-sys", 408, R8A7790_CLK_ZS), + DEF_MOD("audio-dmac1", 501, R8A7790_CLK_HP), + DEF_MOD("audio-dmac0", 502, R8A7790_CLK_HP), + DEF_MOD("adsp_mod", 506, R8A7790_CLK_ADSP), + DEF_MOD("thermal", 522, CLK_EXTAL), + DEF_MOD("pwm", 523, R8A7790_CLK_P), + DEF_MOD("usb-ehci", 703, R8A7790_CLK_MP), + DEF_MOD("usbhs", 704, R8A7790_CLK_HP), + DEF_MOD("hscif1", 716, R8A7790_CLK_ZS), + DEF_MOD("hscif0", 717, R8A7790_CLK_ZS), + DEF_MOD("scif1", 720, R8A7790_CLK_P), + DEF_MOD("scif0", 721, R8A7790_CLK_P), + DEF_MOD("du2", 722, R8A7790_CLK_ZX), + DEF_MOD("du1", 723, R8A7790_CLK_ZX), + DEF_MOD("du0", 724, R8A7790_CLK_ZX), + DEF_MOD("lvds1", 725, R8A7790_CLK_ZX), + DEF_MOD("lvds0", 726, R8A7790_CLK_ZX), + DEF_MOD("mlb", 802, R8A7790_CLK_HP), + DEF_MOD("vin3", 808, R8A7790_CLK_ZG), + DEF_MOD("vin2", 809, R8A7790_CLK_ZG), + DEF_MOD("vin1", 810, R8A7790_CLK_ZG), + DEF_MOD("vin0", 811, R8A7790_CLK_ZG), + DEF_MOD("etheravb", 812, R8A7790_CLK_HP), + DEF_MOD("ether", 813, R8A7790_CLK_P), + DEF_MOD("sata1", 814, R8A7790_CLK_ZS), + DEF_MOD("sata0", 815, R8A7790_CLK_ZS), + DEF_MOD("gyro-adc", 901, R8A7790_CLK_P), + DEF_MOD("gpio5", 907, R8A7790_CLK_CP), + DEF_MOD("gpio4", 908, R8A7790_CLK_CP), + DEF_MOD("gpio3", 909, R8A7790_CLK_CP), + DEF_MOD("gpio2", 910, R8A7790_CLK_CP), + DEF_MOD("gpio1", 911, R8A7790_CLK_CP), + DEF_MOD("gpio0", 912, R8A7790_CLK_CP), + DEF_MOD("can1", 915, R8A7790_CLK_P), + DEF_MOD("can0", 916, R8A7790_CLK_P), + DEF_MOD("qspi_mod", 917, R8A7790_CLK_QSPI), + DEF_MOD("iicdvfs", 926, R8A7790_CLK_CP), + DEF_MOD("i2c3", 928, R8A7790_CLK_HP), + DEF_MOD("i2c2", 929, R8A7790_CLK_HP), + DEF_MOD("i2c1", 930, R8A7790_CLK_HP), + DEF_MOD("i2c0", 931, R8A7790_CLK_HP), + DEF_MOD("ssi-all", 1005, R8A7790_CLK_P), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A7790_CLK_P), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a7790_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-SYS (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *1 + *--------------------------------------------------- + * 0 0 0 15 x172/2 x208/2 x106 + * 0 0 1 15 x172/2 x208/2 x88 + * 0 1 0 20 x130/2 x156/2 x80 + * 0 1 1 20 x130/2 x156/2 x66 + * 1 0 0 26 / 2 x200/2 x240/2 x122 + * 1 0 1 26 / 2 x200/2 x240/2 x102 + * 1 1 0 30 / 2 x172/2 x208/2 x106 + * 1 1 1 30 / 2 x172/2 x208/2 x88 + * + * *1 : Table 7.5a indicates VCO output (PLLx = VCO/2) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \ + (((md) & BIT(13)) >> 12) | \ + (((md) & BIT(19)) >> 19)) +static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = { + { 1, 208, 106 }, { 1, 208, 88 }, { 1, 156, 80 }, { 1, 156, 66 }, + { 2, 240, 122 }, { 2, 240, 102 }, { 2, 208, 106 }, { 2, 208, 88 }, +}; + +static int __init r8a7790_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen2_cpg_init(cpg_pll_config, 2, cpg_mode); +} + +const struct cpg_mssr_info r8a7790_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7790_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7790_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7790_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7790_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7790_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7790_crit_mod_clks), + + /* Callbacks */ + .init = r8a7790_cpg_mssr_init, + .cpg_clk_register = rcar_gen2_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a7791-cpg-mssr.c b/drivers/clk/renesas/r8a7791-cpg-mssr.c new file mode 100644 index 000000000..a0de78486 --- /dev/null +++ b/drivers/clk/renesas/r8a7791-cpg-mssr.c @@ -0,0 +1,285 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7791 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2015-2017 Glider bvba + * + * Based on clk-rcar-gen2.c + * + * Copyright (C) 2013 Ideas On Board SPRL + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7791-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7791_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_USB_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static struct cpg_core_clk r8a7791_core_clks[] __initdata = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("usb_extal", CLK_USB_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("z", R8A7791_CLK_Z, CLK_TYPE_GEN2_Z, CLK_PLL0), + DEF_BASE("adsp", R8A7791_CLK_ADSP, CLK_TYPE_GEN2_ADSP, CLK_PLL1), + DEF_BASE("sdh", R8A7791_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1), + DEF_BASE("sd0", R8A7791_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1), + DEF_BASE("qspi", R8A7791_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), + DEF_BASE("rcan", R8A7791_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL), + + DEF_FIXED("zg", R8A7791_CLK_ZG, CLK_PLL1, 3, 1), + DEF_FIXED("zx", R8A7791_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("zs", R8A7791_CLK_ZS, CLK_PLL1, 6, 1), + DEF_FIXED("hp", R8A7791_CLK_HP, CLK_PLL1, 12, 1), + DEF_FIXED("i", R8A7791_CLK_I, CLK_PLL1, 2, 1), + DEF_FIXED("b", R8A7791_CLK_B, CLK_PLL1, 12, 1), + DEF_FIXED("lb", R8A7791_CLK_LB, CLK_PLL1, 24, 1), + DEF_FIXED("p", R8A7791_CLK_P, CLK_PLL1, 24, 1), + DEF_FIXED("cl", R8A7791_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("m2", R8A7791_CLK_M2, CLK_PLL1, 8, 1), + DEF_FIXED("zb3", R8A7791_CLK_ZB3, CLK_PLL3, 4, 1), + DEF_FIXED("zb3d2", R8A7791_CLK_ZB3D2, CLK_PLL3, 8, 1), + DEF_FIXED("ddr", R8A7791_CLK_DDR, CLK_PLL3, 8, 1), + DEF_FIXED("mp", R8A7791_CLK_MP, CLK_PLL1_DIV2, 15, 1), + DEF_FIXED("cp", R8A7791_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("r", R8A7791_CLK_R, CLK_PLL1, 49152, 1), + DEF_FIXED("osc", R8A7791_CLK_OSC, CLK_PLL1, 12288, 1), + + DEF_DIV6P1("sd2", R8A7791_CLK_SD2, CLK_PLL1_DIV2, 0x078), + DEF_DIV6P1("sd3", R8A7791_CLK_SD3, CLK_PLL1_DIV2, 0x26c), + DEF_DIV6P1("mmc0", R8A7791_CLK_MMC0, CLK_PLL1_DIV2, 0x240), + DEF_DIV6P1("ssp", R8A7791_CLK_SSP, CLK_PLL1_DIV2, 0x248), + DEF_DIV6P1("ssprs", R8A7791_CLK_SSPRS, CLK_PLL1_DIV2, 0x24c), +}; + +static const struct mssr_mod_clk r8a7791_mod_clks[] __initconst = { + DEF_MOD("msiof0", 0, R8A7791_CLK_MP), + DEF_MOD("vcp0", 101, R8A7791_CLK_ZS), + DEF_MOD("vpc0", 103, R8A7791_CLK_ZS), + DEF_MOD("jpu", 106, R8A7791_CLK_M2), + DEF_MOD("ssp1", 109, R8A7791_CLK_ZS), + DEF_MOD("tmu1", 111, R8A7791_CLK_P), + DEF_MOD("3dg", 112, R8A7791_CLK_ZG), + DEF_MOD("2d-dmac", 115, R8A7791_CLK_ZS), + DEF_MOD("fdp1-1", 118, R8A7791_CLK_ZS), + DEF_MOD("fdp1-0", 119, R8A7791_CLK_ZS), + DEF_MOD("tmu3", 121, R8A7791_CLK_P), + DEF_MOD("tmu2", 122, R8A7791_CLK_P), + DEF_MOD("cmt0", 124, R8A7791_CLK_R), + DEF_MOD("tmu0", 125, R8A7791_CLK_CP), + DEF_MOD("vsp1du1", 127, R8A7791_CLK_ZS), + DEF_MOD("vsp1du0", 128, R8A7791_CLK_ZS), + DEF_MOD("vsps", 131, R8A7791_CLK_ZS), + DEF_MOD("scifa2", 202, R8A7791_CLK_MP), + DEF_MOD("scifa1", 203, R8A7791_CLK_MP), + DEF_MOD("scifa0", 204, R8A7791_CLK_MP), + DEF_MOD("msiof2", 205, R8A7791_CLK_MP), + DEF_MOD("scifb0", 206, R8A7791_CLK_MP), + DEF_MOD("scifb1", 207, R8A7791_CLK_MP), + DEF_MOD("msiof1", 208, R8A7791_CLK_MP), + DEF_MOD("scifb2", 216, R8A7791_CLK_MP), + DEF_MOD("sys-dmac1", 218, R8A7791_CLK_ZS), + DEF_MOD("sys-dmac0", 219, R8A7791_CLK_ZS), + DEF_MOD("tpu0", 304, R8A7791_CLK_CP), + DEF_MOD("sdhi3", 311, R8A7791_CLK_SD3), + DEF_MOD("sdhi2", 312, R8A7791_CLK_SD2), + DEF_MOD("sdhi0", 314, R8A7791_CLK_SD0), + DEF_MOD("mmcif0", 315, R8A7791_CLK_MMC0), + DEF_MOD("iic0", 318, R8A7791_CLK_HP), + DEF_MOD("pciec", 319, R8A7791_CLK_MP), + DEF_MOD("iic1", 323, R8A7791_CLK_HP), + DEF_MOD("usb3.0", 328, R8A7791_CLK_MP), + DEF_MOD("cmt1", 329, R8A7791_CLK_R), + DEF_MOD("usbhs-dmac0", 330, R8A7791_CLK_HP), + DEF_MOD("usbhs-dmac1", 331, R8A7791_CLK_HP), + DEF_MOD("rwdt", 402, R8A7791_CLK_R), + DEF_MOD("irqc", 407, R8A7791_CLK_CP), + DEF_MOD("intc-sys", 408, R8A7791_CLK_ZS), + DEF_MOD("audio-dmac1", 501, R8A7791_CLK_HP), + DEF_MOD("audio-dmac0", 502, R8A7791_CLK_HP), + DEF_MOD("adsp_mod", 506, R8A7791_CLK_ADSP), + DEF_MOD("thermal", 522, CLK_EXTAL), + DEF_MOD("pwm", 523, R8A7791_CLK_P), + DEF_MOD("usb-ehci", 703, R8A7791_CLK_MP), + DEF_MOD("usbhs", 704, R8A7791_CLK_HP), + DEF_MOD("hscif2", 713, R8A7791_CLK_ZS), + DEF_MOD("scif5", 714, R8A7791_CLK_P), + DEF_MOD("scif4", 715, R8A7791_CLK_P), + DEF_MOD("hscif1", 716, R8A7791_CLK_ZS), + DEF_MOD("hscif0", 717, R8A7791_CLK_ZS), + DEF_MOD("scif3", 718, R8A7791_CLK_P), + DEF_MOD("scif2", 719, R8A7791_CLK_P), + DEF_MOD("scif1", 720, R8A7791_CLK_P), + DEF_MOD("scif0", 721, R8A7791_CLK_P), + DEF_MOD("du1", 723, R8A7791_CLK_ZX), + DEF_MOD("du0", 724, R8A7791_CLK_ZX), + DEF_MOD("lvds0", 726, R8A7791_CLK_ZX), + DEF_MOD("ipmmu-sgx", 800, R8A7791_CLK_ZX), + DEF_MOD("mlb", 802, R8A7791_CLK_HP), + DEF_MOD("vin2", 809, R8A7791_CLK_ZG), + DEF_MOD("vin1", 810, R8A7791_CLK_ZG), + DEF_MOD("vin0", 811, R8A7791_CLK_ZG), + DEF_MOD("etheravb", 812, R8A7791_CLK_HP), + DEF_MOD("ether", 813, R8A7791_CLK_P), + DEF_MOD("sata1", 814, R8A7791_CLK_ZS), + DEF_MOD("sata0", 815, R8A7791_CLK_ZS), + DEF_MOD("gyro-adc", 901, R8A7791_CLK_P), + DEF_MOD("gpio7", 904, R8A7791_CLK_CP), + DEF_MOD("gpio6", 905, R8A7791_CLK_CP), + DEF_MOD("gpio5", 907, R8A7791_CLK_CP), + DEF_MOD("gpio4", 908, R8A7791_CLK_CP), + DEF_MOD("gpio3", 909, R8A7791_CLK_CP), + DEF_MOD("gpio2", 910, R8A7791_CLK_CP), + DEF_MOD("gpio1", 911, R8A7791_CLK_CP), + DEF_MOD("gpio0", 912, R8A7791_CLK_CP), + DEF_MOD("can1", 915, R8A7791_CLK_P), + DEF_MOD("can0", 916, R8A7791_CLK_P), + DEF_MOD("qspi_mod", 917, R8A7791_CLK_QSPI), + DEF_MOD("i2c5", 925, R8A7791_CLK_HP), + DEF_MOD("iicdvfs", 926, R8A7791_CLK_CP), + DEF_MOD("i2c4", 927, R8A7791_CLK_HP), + DEF_MOD("i2c3", 928, R8A7791_CLK_HP), + DEF_MOD("i2c2", 929, R8A7791_CLK_HP), + DEF_MOD("i2c1", 930, R8A7791_CLK_HP), + DEF_MOD("i2c0", 931, R8A7791_CLK_HP), + DEF_MOD("ssi-all", 1005, R8A7791_CLK_P), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A7791_CLK_P), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), + DEF_MOD("scifa3", 1106, R8A7791_CLK_MP), + DEF_MOD("scifa4", 1107, R8A7791_CLK_MP), + DEF_MOD("scifa5", 1108, R8A7791_CLK_MP), +}; + +static const unsigned int r8a7791_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-SYS (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *1 + *--------------------------------------------------- + * 0 0 0 15 x172/2 x208/2 x106 + * 0 0 1 15 x172/2 x208/2 x88 + * 0 1 0 20 x130/2 x156/2 x80 + * 0 1 1 20 x130/2 x156/2 x66 + * 1 0 0 26 / 2 x200/2 x240/2 x122 + * 1 0 1 26 / 2 x200/2 x240/2 x102 + * 1 1 0 30 / 2 x172/2 x208/2 x106 + * 1 1 1 30 / 2 x172/2 x208/2 x88 + * + * *1 : Table 7.5a indicates VCO output (PLLx = VCO/2) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \ + (((md) & BIT(13)) >> 12) | \ + (((md) & BIT(19)) >> 19)) +static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = { + { 1, 208, 106 }, { 1, 208, 88 }, { 1, 156, 80 }, { 1, 156, 66 }, + { 2, 240, 122 }, { 2, 240, 102 }, { 2, 208, 106 }, { 2, 208, 88 }, +}; + +static int __init r8a7791_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + struct device_node *np = dev->of_node; + unsigned int i; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + if (of_device_is_compatible(np, "renesas,r8a7793-cpg-mssr")) { + /* R-Car M2-N uses a 1/5 divider for ZG */ + for (i = 0; i < ARRAY_SIZE(r8a7791_core_clks); i++) + if (r8a7791_core_clks[i].id == R8A7791_CLK_ZG) { + r8a7791_core_clks[i].div = 5; + break; + } + } + return rcar_gen2_cpg_init(cpg_pll_config, 2, cpg_mode); +} + +const struct cpg_mssr_info r8a7791_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7791_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7791_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7791_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7791_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7791_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7791_crit_mod_clks), + + /* Callbacks */ + .init = r8a7791_cpg_mssr_init, + .cpg_clk_register = rcar_gen2_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a7792-cpg-mssr.c b/drivers/clk/renesas/r8a7792-cpg-mssr.c new file mode 100644 index 000000000..77af25087 --- /dev/null +++ b/drivers/clk/renesas/r8a7792-cpg-mssr.c @@ -0,0 +1,227 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7792 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2017 Glider bvba + * + * Based on clk-rcar-gen2.c + * + * Copyright (C) 2013 Ideas On Board SPRL + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7792-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7792_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a7792_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("qspi", R8A7792_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), + + DEF_FIXED("z", R8A7792_CLK_Z, CLK_PLL0, 1, 1), + DEF_FIXED("zg", R8A7792_CLK_ZG, CLK_PLL1, 5, 1), + DEF_FIXED("zx", R8A7792_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("zs", R8A7792_CLK_ZS, CLK_PLL1, 6, 1), + DEF_FIXED("hp", R8A7792_CLK_HP, CLK_PLL1, 12, 1), + DEF_FIXED("i", R8A7792_CLK_I, CLK_PLL1, 3, 1), + DEF_FIXED("b", R8A7792_CLK_B, CLK_PLL1, 12, 1), + DEF_FIXED("lb", R8A7792_CLK_LB, CLK_PLL1, 24, 1), + DEF_FIXED("p", R8A7792_CLK_P, CLK_PLL1, 24, 1), + DEF_FIXED("cl", R8A7792_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("m2", R8A7792_CLK_M2, CLK_PLL1, 8, 1), + DEF_FIXED("imp", R8A7792_CLK_IMP, CLK_PLL1, 4, 1), + DEF_FIXED("zb3", R8A7792_CLK_ZB3, CLK_PLL3, 4, 1), + DEF_FIXED("zb3d2", R8A7792_CLK_ZB3D2, CLK_PLL3, 8, 1), + DEF_FIXED("ddr", R8A7792_CLK_DDR, CLK_PLL3, 8, 1), + DEF_FIXED("sd", R8A7792_CLK_SD, CLK_PLL1_DIV2, 8, 1), + DEF_FIXED("mp", R8A7792_CLK_MP, CLK_PLL1_DIV2, 15, 1), + DEF_FIXED("cp", R8A7792_CLK_CP, CLK_PLL1, 48, 1), + DEF_FIXED("cpex", R8A7792_CLK_CPEX, CLK_EXTAL, 2, 1), + DEF_FIXED("rcan", R8A7792_CLK_RCAN, CLK_PLL1_DIV2, 49, 1), + DEF_FIXED("r", R8A7792_CLK_R, CLK_PLL1, 49152, 1), + DEF_FIXED("osc", R8A7792_CLK_OSC, CLK_PLL1, 12288, 1), +}; + +static const struct mssr_mod_clk r8a7792_mod_clks[] __initconst = { + DEF_MOD("msiof0", 0, R8A7792_CLK_MP), + DEF_MOD("jpu", 106, R8A7792_CLK_M2), + DEF_MOD("tmu1", 111, R8A7792_CLK_P), + DEF_MOD("3dg", 112, R8A7792_CLK_ZG), + DEF_MOD("2d-dmac", 115, R8A7792_CLK_ZS), + DEF_MOD("tmu3", 121, R8A7792_CLK_P), + DEF_MOD("tmu2", 122, R8A7792_CLK_P), + DEF_MOD("cmt0", 124, R8A7792_CLK_R), + DEF_MOD("tmu0", 125, R8A7792_CLK_CP), + DEF_MOD("vsp1du1", 127, R8A7792_CLK_ZS), + DEF_MOD("vsp1du0", 128, R8A7792_CLK_ZS), + DEF_MOD("vsps", 131, R8A7792_CLK_ZS), + DEF_MOD("msiof1", 208, R8A7792_CLK_MP), + DEF_MOD("sys-dmac1", 218, R8A7792_CLK_ZS), + DEF_MOD("sys-dmac0", 219, R8A7792_CLK_ZS), + DEF_MOD("tpu0", 304, R8A7792_CLK_CP), + DEF_MOD("sdhi0", 314, R8A7792_CLK_SD), + DEF_MOD("cmt1", 329, R8A7792_CLK_R), + DEF_MOD("rwdt", 402, R8A7792_CLK_R), + DEF_MOD("irqc", 407, R8A7792_CLK_CP), + DEF_MOD("intc-sys", 408, R8A7792_CLK_ZS), + DEF_MOD("audio-dmac0", 502, R8A7792_CLK_HP), + DEF_MOD("thermal", 522, CLK_EXTAL), + DEF_MOD("pwm", 523, R8A7792_CLK_P), + DEF_MOD("hscif1", 716, R8A7792_CLK_ZS), + DEF_MOD("hscif0", 717, R8A7792_CLK_ZS), + DEF_MOD("scif3", 718, R8A7792_CLK_P), + DEF_MOD("scif2", 719, R8A7792_CLK_P), + DEF_MOD("scif1", 720, R8A7792_CLK_P), + DEF_MOD("scif0", 721, R8A7792_CLK_P), + DEF_MOD("du1", 723, R8A7792_CLK_ZX), + DEF_MOD("du0", 724, R8A7792_CLK_ZX), + DEF_MOD("vin5", 804, R8A7792_CLK_ZG), + DEF_MOD("vin4", 805, R8A7792_CLK_ZG), + DEF_MOD("vin3", 808, R8A7792_CLK_ZG), + DEF_MOD("vin2", 809, R8A7792_CLK_ZG), + DEF_MOD("vin1", 810, R8A7792_CLK_ZG), + DEF_MOD("vin0", 811, R8A7792_CLK_ZG), + DEF_MOD("etheravb", 812, R8A7792_CLK_HP), + DEF_MOD("imr-lx3", 821, R8A7792_CLK_ZG), + DEF_MOD("imr-lsx3-1", 822, R8A7792_CLK_ZG), + DEF_MOD("imr-lsx3-0", 823, R8A7792_CLK_ZG), + DEF_MOD("imr-lsx3-5", 825, R8A7792_CLK_ZG), + DEF_MOD("imr-lsx3-4", 826, R8A7792_CLK_ZG), + DEF_MOD("imr-lsx3-3", 827, R8A7792_CLK_ZG), + DEF_MOD("imr-lsx3-2", 828, R8A7792_CLK_ZG), + DEF_MOD("gyro-adc", 901, R8A7792_CLK_P), + DEF_MOD("gpio7", 904, R8A7792_CLK_CP), + DEF_MOD("gpio6", 905, R8A7792_CLK_CP), + DEF_MOD("gpio5", 907, R8A7792_CLK_CP), + DEF_MOD("gpio4", 908, R8A7792_CLK_CP), + DEF_MOD("gpio3", 909, R8A7792_CLK_CP), + DEF_MOD("gpio2", 910, R8A7792_CLK_CP), + DEF_MOD("gpio1", 911, R8A7792_CLK_CP), + DEF_MOD("gpio0", 912, R8A7792_CLK_CP), + DEF_MOD("gpio11", 913, R8A7792_CLK_CP), + DEF_MOD("gpio10", 914, R8A7792_CLK_CP), + DEF_MOD("can1", 915, R8A7792_CLK_P), + DEF_MOD("can0", 916, R8A7792_CLK_P), + DEF_MOD("qspi_mod", 917, R8A7792_CLK_QSPI), + DEF_MOD("gpio9", 919, R8A7792_CLK_CP), + DEF_MOD("gpio8", 921, R8A7792_CLK_CP), + DEF_MOD("i2c5", 925, R8A7792_CLK_HP), + DEF_MOD("iicdvfs", 926, R8A7792_CLK_CP), + DEF_MOD("i2c4", 927, R8A7792_CLK_HP), + DEF_MOD("i2c3", 928, R8A7792_CLK_HP), + DEF_MOD("i2c2", 929, R8A7792_CLK_HP), + DEF_MOD("i2c1", 930, R8A7792_CLK_HP), + DEF_MOD("i2c0", 931, R8A7792_CLK_HP), + DEF_MOD("ssi-all", 1005, R8A7792_CLK_P), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), +}; + +static const unsigned int r8a7792_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-SYS (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *2 + *--------------------------------------------------- + * 0 0 0 15 x200/3 x208/2 x106 + * 0 0 1 15 x200/3 x208/2 x88 + * 0 1 0 20 x150/3 x156/2 x80 + * 0 1 1 20 x150/3 x156/2 x66 + * 1 0 0 26 / 2 x230/3 x240/2 x122 + * 1 0 1 26 / 2 x230/3 x240/2 x102 + * 1 1 0 30 / 2 x200/3 x208/2 x106 + * 1 1 1 30 / 2 x200/3 x208/2 x88 + * + * *1 : Table 7.5b indicates VCO output (PLL0 = VCO/3) + * *2 : Table 7.5b indicates VCO output (PLL1 = VCO/2) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \ + (((md) & BIT(13)) >> 12) | \ + (((md) & BIT(19)) >> 19)) +static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = { + { 1, 208, 106, 200 }, + { 1, 208, 88, 200 }, + { 1, 156, 80, 150 }, + { 1, 156, 66, 150 }, + { 2, 240, 122, 230 }, + { 2, 240, 102, 230 }, + { 2, 208, 106, 200 }, + { 2, 208, 88, 200 }, +}; + +static int __init r8a7792_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen2_cpg_init(cpg_pll_config, 3, cpg_mode); +} + +const struct cpg_mssr_info r8a7792_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7792_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7792_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7792_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7792_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7792_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7792_crit_mod_clks), + + /* Callbacks */ + .init = r8a7792_cpg_mssr_init, + .cpg_clk_register = rcar_gen2_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a7794-cpg-mssr.c b/drivers/clk/renesas/r8a7794-cpg-mssr.c new file mode 100644 index 000000000..4d7fa26a7 --- /dev/null +++ b/drivers/clk/renesas/r8a7794-cpg-mssr.c @@ -0,0 +1,254 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7794 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2017 Glider bvba + * + * Based on clk-rcar-gen2.c + * + * Copyright (C) 2013 Ideas On Board SPRL + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7794-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7794_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_USB_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a7794_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("usb_extal", CLK_USB_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN2_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN2_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN2_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN2_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("adsp", R8A7794_CLK_ADSP, CLK_TYPE_GEN2_ADSP, CLK_PLL1), + DEF_BASE("sdh", R8A7794_CLK_SDH, CLK_TYPE_GEN2_SDH, CLK_PLL1), + DEF_BASE("sd0", R8A7794_CLK_SD0, CLK_TYPE_GEN2_SD0, CLK_PLL1), + DEF_BASE("qspi", R8A7794_CLK_QSPI, CLK_TYPE_GEN2_QSPI, CLK_PLL1_DIV2), + DEF_BASE("rcan", R8A7794_CLK_RCAN, CLK_TYPE_GEN2_RCAN, CLK_USB_EXTAL), + + DEF_FIXED("z2", R8A7794_CLK_Z2, CLK_PLL0, 1, 1), + DEF_FIXED("zg", R8A7794_CLK_ZG, CLK_PLL1, 6, 1), + DEF_FIXED("zx", R8A7794_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("zs", R8A7794_CLK_ZS, CLK_PLL1, 6, 1), + DEF_FIXED("hp", R8A7794_CLK_HP, CLK_PLL1, 12, 1), + DEF_FIXED("i", R8A7794_CLK_I, CLK_PLL1, 2, 1), + DEF_FIXED("b", R8A7794_CLK_B, CLK_PLL1, 12, 1), + DEF_FIXED("lb", R8A7794_CLK_LB, CLK_PLL1, 24, 1), + DEF_FIXED("p", R8A7794_CLK_P, CLK_PLL1, 24, 1), + DEF_FIXED("cl", R8A7794_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("cp", R8A7794_CLK_CP, CLK_PLL1, 48, 1), + DEF_FIXED("m2", R8A7794_CLK_M2, CLK_PLL1, 8, 1), + DEF_FIXED("zb3", R8A7794_CLK_ZB3, CLK_PLL3, 4, 1), + DEF_FIXED("zb3d2", R8A7794_CLK_ZB3D2, CLK_PLL3, 8, 1), + DEF_FIXED("ddr", R8A7794_CLK_DDR, CLK_PLL3, 8, 1), + DEF_FIXED("mp", R8A7794_CLK_MP, CLK_PLL1_DIV2, 15, 1), + DEF_FIXED("cpex", R8A7794_CLK_CPEX, CLK_EXTAL, 2, 1), + DEF_FIXED("r", R8A7794_CLK_R, CLK_PLL1, 49152, 1), + DEF_FIXED("osc", R8A7794_CLK_OSC, CLK_PLL1, 12288, 1), + + DEF_DIV6P1("sd2", R8A7794_CLK_SD2, CLK_PLL1_DIV2, 0x078), + DEF_DIV6P1("sd3", R8A7794_CLK_SD3, CLK_PLL1_DIV2, 0x26c), + DEF_DIV6P1("mmc0", R8A7794_CLK_MMC0, CLK_PLL1_DIV2, 0x240), +}; + +static const struct mssr_mod_clk r8a7794_mod_clks[] __initconst = { + DEF_MOD("msiof0", 0, R8A7794_CLK_MP), + DEF_MOD("vcp0", 101, R8A7794_CLK_ZS), + DEF_MOD("vpc0", 103, R8A7794_CLK_ZS), + DEF_MOD("jpu", 106, R8A7794_CLK_M2), + DEF_MOD("tmu1", 111, R8A7794_CLK_P), + DEF_MOD("3dg", 112, R8A7794_CLK_ZG), + DEF_MOD("2d-dmac", 115, R8A7794_CLK_ZS), + DEF_MOD("fdp1-0", 119, R8A7794_CLK_ZS), + DEF_MOD("tmu3", 121, R8A7794_CLK_P), + DEF_MOD("tmu2", 122, R8A7794_CLK_P), + DEF_MOD("cmt0", 124, R8A7794_CLK_R), + DEF_MOD("tmu0", 125, R8A7794_CLK_CP), + DEF_MOD("vsp1du0", 128, R8A7794_CLK_ZS), + DEF_MOD("vsps", 131, R8A7794_CLK_ZS), + DEF_MOD("scifa2", 202, R8A7794_CLK_MP), + DEF_MOD("scifa1", 203, R8A7794_CLK_MP), + DEF_MOD("scifa0", 204, R8A7794_CLK_MP), + DEF_MOD("msiof2", 205, R8A7794_CLK_MP), + DEF_MOD("scifb0", 206, R8A7794_CLK_MP), + DEF_MOD("scifb1", 207, R8A7794_CLK_MP), + DEF_MOD("msiof1", 208, R8A7794_CLK_MP), + DEF_MOD("scifb2", 216, R8A7794_CLK_MP), + DEF_MOD("sys-dmac1", 218, R8A7794_CLK_ZS), + DEF_MOD("sys-dmac0", 219, R8A7794_CLK_ZS), + DEF_MOD("tpu0", 304, R8A7794_CLK_CP), + DEF_MOD("sdhi3", 311, R8A7794_CLK_SD3), + DEF_MOD("sdhi2", 312, R8A7794_CLK_SD2), + DEF_MOD("sdhi0", 314, R8A7794_CLK_SD0), + DEF_MOD("mmcif0", 315, R8A7794_CLK_MMC0), + DEF_MOD("iic0", 318, R8A7794_CLK_HP), + DEF_MOD("iic1", 323, R8A7794_CLK_HP), + DEF_MOD("cmt1", 329, R8A7794_CLK_R), + DEF_MOD("usbhs-dmac0", 330, R8A7794_CLK_HP), + DEF_MOD("usbhs-dmac1", 331, R8A7794_CLK_HP), + DEF_MOD("rwdt", 402, R8A7794_CLK_R), + DEF_MOD("irqc", 407, R8A7794_CLK_CP), + DEF_MOD("intc-sys", 408, R8A7794_CLK_ZS), + DEF_MOD("audio-dmac0", 502, R8A7794_CLK_HP), + DEF_MOD("adsp_mod", 506, R8A7794_CLK_ADSP), + DEF_MOD("pwm", 523, R8A7794_CLK_P), + DEF_MOD("usb-ehci", 703, R8A7794_CLK_MP), + DEF_MOD("usbhs", 704, R8A7794_CLK_HP), + DEF_MOD("hscif2", 713, R8A7794_CLK_ZS), + DEF_MOD("scif5", 714, R8A7794_CLK_P), + DEF_MOD("scif4", 715, R8A7794_CLK_P), + DEF_MOD("hscif1", 716, R8A7794_CLK_ZS), + DEF_MOD("hscif0", 717, R8A7794_CLK_ZS), + DEF_MOD("scif3", 718, R8A7794_CLK_P), + DEF_MOD("scif2", 719, R8A7794_CLK_P), + DEF_MOD("scif1", 720, R8A7794_CLK_P), + DEF_MOD("scif0", 721, R8A7794_CLK_P), + DEF_MOD("du1", 723, R8A7794_CLK_ZX), + DEF_MOD("du0", 724, R8A7794_CLK_ZX), + DEF_MOD("ipmmu-sgx", 800, R8A7794_CLK_ZX), + DEF_MOD("mlb", 802, R8A7794_CLK_HP), + DEF_MOD("vin1", 810, R8A7794_CLK_ZG), + DEF_MOD("vin0", 811, R8A7794_CLK_ZG), + DEF_MOD("etheravb", 812, R8A7794_CLK_HP), + DEF_MOD("ether", 813, R8A7794_CLK_P), + DEF_MOD("gyro-adc", 901, R8A7794_CLK_P), + DEF_MOD("gpio6", 905, R8A7794_CLK_CP), + DEF_MOD("gpio5", 907, R8A7794_CLK_CP), + DEF_MOD("gpio4", 908, R8A7794_CLK_CP), + DEF_MOD("gpio3", 909, R8A7794_CLK_CP), + DEF_MOD("gpio2", 910, R8A7794_CLK_CP), + DEF_MOD("gpio1", 911, R8A7794_CLK_CP), + DEF_MOD("gpio0", 912, R8A7794_CLK_CP), + DEF_MOD("can1", 915, R8A7794_CLK_P), + DEF_MOD("can0", 916, R8A7794_CLK_P), + DEF_MOD("qspi_mod", 917, R8A7794_CLK_QSPI), + DEF_MOD("i2c5", 925, R8A7794_CLK_HP), + DEF_MOD("i2c4", 927, R8A7794_CLK_HP), + DEF_MOD("i2c3", 928, R8A7794_CLK_HP), + DEF_MOD("i2c2", 929, R8A7794_CLK_HP), + DEF_MOD("i2c1", 930, R8A7794_CLK_HP), + DEF_MOD("i2c0", 931, R8A7794_CLK_HP), + DEF_MOD("ssi-all", 1005, R8A7794_CLK_P), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A7794_CLK_P), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scifa3", 1106, R8A7794_CLK_MP), + DEF_MOD("scifa4", 1107, R8A7794_CLK_MP), + DEF_MOD("scifa5", 1108, R8A7794_CLK_MP), +}; + +static const unsigned int r8a7794_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-SYS (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *2 + *--------------------------------------------------- + * 0 0 1 15 x200/3 x208/2 x88 + * 0 1 1 20 x150/3 x156/2 x66 + * 1 0 1 26 / 2 x230/3 x240/2 x102 + * 1 1 1 30 / 2 x200/3 x208/2 x88 + * + * *1 : Table 7.5c indicates VCO output (PLL0 = VCO/3) + * *2 : Table 7.5c indicates VCO output (PLL1 = VCO/2) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) +static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[4] __initconst = { + { 1, 208, 88, 200 }, + { 1, 156, 66, 150 }, + { 2, 240, 102, 230 }, + { 2, 208, 88, 200 }, +}; + +static int __init r8a7794_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen2_cpg_init(cpg_pll_config, 3, cpg_mode); +} + +const struct cpg_mssr_info r8a7794_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7794_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7794_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7794_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7794_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7794_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7794_crit_mod_clks), + + /* Callbacks */ + .init = r8a7794_cpg_mssr_init, + .cpg_clk_register = rcar_gen2_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c new file mode 100644 index 000000000..e47d9b1fc --- /dev/null +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -0,0 +1,398 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7795 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2018-2019 Renesas Electronics Corp. + * + * Based on clk-rcar-gen3.c + * + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> +#include <linux/sys_soc.h> + +#include <dt-bindings/clock/r8a7795-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7795_CLK_S0D12, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL4, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_SSPSRC, + CLK_RPCSRC, + CLK_RINT, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a7795_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + + /* Core Clock Outputs */ + DEF_GEN3_Z("z", R8A7795_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0, 2, 8), + DEF_GEN3_Z("z2", R8A7795_CLK_Z2, CLK_TYPE_GEN3_Z, CLK_PLL2, 2, 0), + DEF_GEN3_Z("zg", R8A7795_CLK_ZG, CLK_TYPE_GEN3_ZG, CLK_PLL4, 4, 24), + DEF_FIXED("ztr", R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A7795_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A7795_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A7795_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A7795_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A7795_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A7795_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A7795_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d8", R8A7795_CLK_S0D8, CLK_S0, 8, 1), + DEF_FIXED("s0d12", R8A7795_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s1d1", R8A7795_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A7795_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A7795_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A7795_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A7795_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A7795_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A7795_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A7795_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A7795_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SDH("sd0h", R8A7795_CLK_SD0H, CLK_SDSRC, 0x074), + DEF_GEN3_SDH("sd1h", R8A7795_CLK_SD1H, CLK_SDSRC, 0x078), + DEF_GEN3_SDH("sd2h", R8A7795_CLK_SD2H, CLK_SDSRC, 0x268), + DEF_GEN3_SDH("sd3h", R8A7795_CLK_SD3H, CLK_SDSRC, 0x26c), + DEF_GEN3_SD("sd0", R8A7795_CLK_SD0, R8A7795_CLK_SD0H, 0x074), + DEF_GEN3_SD("sd1", R8A7795_CLK_SD1, R8A7795_CLK_SD1H, 0x078), + DEF_GEN3_SD("sd2", R8A7795_CLK_SD2, R8A7795_CLK_SD2H, 0x268), + DEF_GEN3_SD("sd3", R8A7795_CLK_SD3, R8A7795_CLK_SD3H, 0x26c), + + DEF_BASE("rpc", R8A7795_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A7795_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A7795_CLK_RPC), + + DEF_FIXED("cl", R8A7795_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cr", R8A7795_CLK_CR, CLK_PLL1_DIV4, 2, 1), + DEF_FIXED("cp", R8A7795_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A7795_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A7795_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A7795_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A7795_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("hdmi", R8A7795_CLK_HDMI, CLK_PLL1_DIV4, 0x250), + + DEF_GEN3_OSC("osc", R8A7795_CLK_OSC, CLK_EXTAL, 8), + + DEF_BASE("r", R8A7795_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), +}; + +static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = { + DEF_MOD("3dge", 112, R8A7795_CLK_ZG), + DEF_MOD("fdp1-1", 118, R8A7795_CLK_S0D1), + DEF_MOD("fdp1-0", 119, R8A7795_CLK_S0D1), + DEF_MOD("tmu4", 121, R8A7795_CLK_S0D6), + DEF_MOD("tmu3", 122, R8A7795_CLK_S3D2), + DEF_MOD("tmu2", 123, R8A7795_CLK_S3D2), + DEF_MOD("tmu1", 124, R8A7795_CLK_S3D2), + DEF_MOD("tmu0", 125, R8A7795_CLK_CP), + DEF_MOD("scif5", 202, R8A7795_CLK_S3D4), + DEF_MOD("scif4", 203, R8A7795_CLK_S3D4), + DEF_MOD("scif3", 204, R8A7795_CLK_S3D4), + DEF_MOD("scif1", 206, R8A7795_CLK_S3D4), + DEF_MOD("scif0", 207, R8A7795_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A7795_CLK_MSO), + DEF_MOD("msiof2", 209, R8A7795_CLK_MSO), + DEF_MOD("msiof1", 210, R8A7795_CLK_MSO), + DEF_MOD("msiof0", 211, R8A7795_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A7795_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A7795_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A7795_CLK_S0D3), + DEF_MOD("sceg-pub", 229, R8A7795_CLK_CR), + DEF_MOD("cmt3", 300, R8A7795_CLK_R), + DEF_MOD("cmt2", 301, R8A7795_CLK_R), + DEF_MOD("cmt1", 302, R8A7795_CLK_R), + DEF_MOD("cmt0", 303, R8A7795_CLK_R), + DEF_MOD("tpu0", 304, R8A7795_CLK_S3D4), + DEF_MOD("scif2", 310, R8A7795_CLK_S3D4), + DEF_MOD("sdif3", 311, R8A7795_CLK_SD3), + DEF_MOD("sdif2", 312, R8A7795_CLK_SD2), + DEF_MOD("sdif1", 313, R8A7795_CLK_SD1), + DEF_MOD("sdif0", 314, R8A7795_CLK_SD0), + DEF_MOD("pcie1", 318, R8A7795_CLK_S3D1), + DEF_MOD("pcie0", 319, R8A7795_CLK_S3D1), + DEF_MOD("usb-dmac30", 326, R8A7795_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A7795_CLK_S3D1), + DEF_MOD("usb-dmac31", 329, R8A7795_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A7795_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A7795_CLK_S3D1), + DEF_MOD("rwdt", 402, R8A7795_CLK_R), + DEF_MOD("intc-ex", 407, R8A7795_CLK_CP), + DEF_MOD("intc-ap", 408, R8A7795_CLK_S0D3), + DEF_MOD("audmac1", 501, R8A7795_CLK_S1D2), + DEF_MOD("audmac0", 502, R8A7795_CLK_S1D2), + DEF_MOD("drif31", 508, R8A7795_CLK_S3D2), + DEF_MOD("drif30", 509, R8A7795_CLK_S3D2), + DEF_MOD("drif21", 510, R8A7795_CLK_S3D2), + DEF_MOD("drif20", 511, R8A7795_CLK_S3D2), + DEF_MOD("drif11", 512, R8A7795_CLK_S3D2), + DEF_MOD("drif10", 513, R8A7795_CLK_S3D2), + DEF_MOD("drif01", 514, R8A7795_CLK_S3D2), + DEF_MOD("drif00", 515, R8A7795_CLK_S3D2), + DEF_MOD("hscif4", 516, R8A7795_CLK_S3D1), + DEF_MOD("hscif3", 517, R8A7795_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A7795_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A7795_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A7795_CLK_S3D1), + DEF_MOD("thermal", 522, R8A7795_CLK_CP), + DEF_MOD("pwm", 523, R8A7795_CLK_S0D12), + DEF_MOD("fcpvd2", 601, R8A7795_CLK_S0D2), + DEF_MOD("fcpvd1", 602, R8A7795_CLK_S0D2), + DEF_MOD("fcpvd0", 603, R8A7795_CLK_S0D2), + DEF_MOD("fcpvb1", 606, R8A7795_CLK_S0D1), + DEF_MOD("fcpvb0", 607, R8A7795_CLK_S0D1), + DEF_MOD("fcpvi1", 610, R8A7795_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A7795_CLK_S0D1), + DEF_MOD("fcpf1", 614, R8A7795_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A7795_CLK_S0D1), + DEF_MOD("fcpcs", 619, R8A7795_CLK_S0D1), + DEF_MOD("vspd2", 621, R8A7795_CLK_S0D2), + DEF_MOD("vspd1", 622, R8A7795_CLK_S0D2), + DEF_MOD("vspd0", 623, R8A7795_CLK_S0D2), + DEF_MOD("vspbc", 624, R8A7795_CLK_S0D1), + DEF_MOD("vspbd", 626, R8A7795_CLK_S0D1), + DEF_MOD("vspi1", 630, R8A7795_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A7795_CLK_S0D1), + DEF_MOD("ehci3", 700, R8A7795_CLK_S3D2), + DEF_MOD("ehci2", 701, R8A7795_CLK_S3D2), + DEF_MOD("ehci1", 702, R8A7795_CLK_S3D2), + DEF_MOD("ehci0", 703, R8A7795_CLK_S3D2), + DEF_MOD("hsusb", 704, R8A7795_CLK_S3D2), + DEF_MOD("hsusb3", 705, R8A7795_CLK_S3D2), + DEF_MOD("cmm3", 708, R8A7795_CLK_S2D1), + DEF_MOD("cmm2", 709, R8A7795_CLK_S2D1), + DEF_MOD("cmm1", 710, R8A7795_CLK_S2D1), + DEF_MOD("cmm0", 711, R8A7795_CLK_S2D1), + DEF_MOD("csi20", 714, R8A7795_CLK_CSI0), + DEF_MOD("csi41", 715, R8A7795_CLK_CSI0), + DEF_MOD("csi40", 716, R8A7795_CLK_CSI0), + DEF_MOD("du3", 721, R8A7795_CLK_S2D1), + DEF_MOD("du2", 722, R8A7795_CLK_S2D1), + DEF_MOD("du1", 723, R8A7795_CLK_S2D1), + DEF_MOD("du0", 724, R8A7795_CLK_S2D1), + DEF_MOD("lvds", 727, R8A7795_CLK_S0D4), + DEF_MOD("hdmi1", 728, R8A7795_CLK_HDMI), + DEF_MOD("hdmi0", 729, R8A7795_CLK_HDMI), + DEF_MOD("mlp", 802, R8A7795_CLK_S2D1), + DEF_MOD("vin7", 804, R8A7795_CLK_S0D2), + DEF_MOD("vin6", 805, R8A7795_CLK_S0D2), + DEF_MOD("vin5", 806, R8A7795_CLK_S0D2), + DEF_MOD("vin4", 807, R8A7795_CLK_S0D2), + DEF_MOD("vin3", 808, R8A7795_CLK_S0D2), + DEF_MOD("vin2", 809, R8A7795_CLK_S0D2), + DEF_MOD("vin1", 810, R8A7795_CLK_S0D2), + DEF_MOD("vin0", 811, R8A7795_CLK_S0D2), + DEF_MOD("etheravb", 812, R8A7795_CLK_S0D6), + DEF_MOD("sata0", 815, R8A7795_CLK_S3D2), + DEF_MOD("imr3", 820, R8A7795_CLK_S0D2), + DEF_MOD("imr2", 821, R8A7795_CLK_S0D2), + DEF_MOD("imr1", 822, R8A7795_CLK_S0D2), + DEF_MOD("imr0", 823, R8A7795_CLK_S0D2), + DEF_MOD("gpio7", 905, R8A7795_CLK_S3D4), + DEF_MOD("gpio6", 906, R8A7795_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A7795_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A7795_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A7795_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A7795_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A7795_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A7795_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A7795_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A7795_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A7795_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A7795_CLK_RPCD2), + DEF_MOD("i2c6", 918, R8A7795_CLK_S0D6), + DEF_MOD("i2c5", 919, R8A7795_CLK_S0D6), + DEF_MOD("adg", 922, R8A7795_CLK_S0D4), + DEF_MOD("i2c-dvfs", 926, R8A7795_CLK_CP), + DEF_MOD("i2c4", 927, R8A7795_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A7795_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A7795_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A7795_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A7795_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A7795_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A7795_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a7795_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 OSC + * 14 13 19 17 (MHz) + *------------------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 /16 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 /19 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 /24 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 /32 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, +}; + +static const struct soc_device_attribute r8a7795_denylist[] __initconst = { + { .soc_id = "r8a7795", .revision = "ES1.*" }, + { /* sentinel */ } +}; + +static int __init r8a7795_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + /* + * We panic here to ensure removed SoCs and clk updates are always in + * sync to avoid overclocking damages. The panic can only be seen with + * commandline args 'earlycon keep_bootcon'. But these SoCs were for + * developers only anyhow. + */ + if (soc_device_match(r8a7795_denylist)) + panic("SoC not supported anymore!\n"); + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a7795_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7795_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7795_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7795_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7795_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7795_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7795_crit_mod_clks), + + /* Callbacks */ + .init = r8a7795_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c new file mode 100644 index 000000000..e5f9e3e74 --- /dev/null +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -0,0 +1,383 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a7796 (R-Car M3-W/W+) Clock Pulse Generator / Module Standby and Software + * Reset + * + * Copyright (C) 2016-2019 Glider bvba + * Copyright (C) 2018-2019 Renesas Electronics Corp. + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a7796-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A7796_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL4, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_SSPSRC, + CLK_RPCSRC, + CLK_RINT, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + + /* Core Clock Outputs */ + DEF_GEN3_Z("z", R8A7796_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0, 2, 8), + DEF_GEN3_Z("z2", R8A7796_CLK_Z2, CLK_TYPE_GEN3_Z, CLK_PLL2, 2, 0), + DEF_GEN3_Z("zg", R8A7796_CLK_ZG, CLK_TYPE_GEN3_ZG, CLK_PLL4, 4, 24), + DEF_FIXED("ztr", R8A7796_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A7796_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A7796_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A7796_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A7796_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A7796_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A7796_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A7796_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A7796_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d8", R8A7796_CLK_S0D8, CLK_S0, 8, 1), + DEF_FIXED("s0d12", R8A7796_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s1d1", R8A7796_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A7796_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A7796_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A7796_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A7796_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A7796_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A7796_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A7796_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A7796_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SDH("sd0h", R8A7796_CLK_SD0H, CLK_SDSRC, 0x074), + DEF_GEN3_SDH("sd1h", R8A7796_CLK_SD1H, CLK_SDSRC, 0x078), + DEF_GEN3_SDH("sd2h", R8A7796_CLK_SD2H, CLK_SDSRC, 0x268), + DEF_GEN3_SDH("sd3h", R8A7796_CLK_SD3H, CLK_SDSRC, 0x26c), + DEF_GEN3_SD("sd0", R8A7796_CLK_SD0, R8A7796_CLK_SD0H, 0x074), + DEF_GEN3_SD("sd1", R8A7796_CLK_SD1, R8A7796_CLK_SD1H, 0x078), + DEF_GEN3_SD("sd2", R8A7796_CLK_SD2, R8A7796_CLK_SD2H, 0x268), + DEF_GEN3_SD("sd3", R8A7796_CLK_SD3, R8A7796_CLK_SD3H, 0x26c), + + DEF_BASE("rpc", R8A7796_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A7796_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A7796_CLK_RPC), + + DEF_FIXED("cl", R8A7796_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cr", R8A7796_CLK_CR, CLK_PLL1_DIV4, 2, 1), + DEF_FIXED("cp", R8A7796_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A7796_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A7796_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A7796_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A7796_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("hdmi", R8A7796_CLK_HDMI, CLK_PLL1_DIV4, 0x250), + + DEF_GEN3_OSC("osc", R8A7796_CLK_OSC, CLK_EXTAL, 8), + + DEF_BASE("r", R8A7796_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), +}; + +static struct mssr_mod_clk r8a7796_mod_clks[] __initdata = { + DEF_MOD("3dge", 112, R8A7796_CLK_ZG), + DEF_MOD("fdp1-0", 119, R8A7796_CLK_S0D1), + DEF_MOD("tmu4", 121, R8A7796_CLK_S0D6), + DEF_MOD("tmu3", 122, R8A7796_CLK_S3D2), + DEF_MOD("tmu2", 123, R8A7796_CLK_S3D2), + DEF_MOD("tmu1", 124, R8A7796_CLK_S3D2), + DEF_MOD("tmu0", 125, R8A7796_CLK_CP), + DEF_MOD("scif5", 202, R8A7796_CLK_S3D4), + DEF_MOD("scif4", 203, R8A7796_CLK_S3D4), + DEF_MOD("scif3", 204, R8A7796_CLK_S3D4), + DEF_MOD("scif1", 206, R8A7796_CLK_S3D4), + DEF_MOD("scif0", 207, R8A7796_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A7796_CLK_MSO), + DEF_MOD("msiof2", 209, R8A7796_CLK_MSO), + DEF_MOD("msiof1", 210, R8A7796_CLK_MSO), + DEF_MOD("msiof0", 211, R8A7796_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A7796_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A7796_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A7796_CLK_S0D3), + DEF_MOD("sceg-pub", 229, R8A7796_CLK_CR), + DEF_MOD("cmt3", 300, R8A7796_CLK_R), + DEF_MOD("cmt2", 301, R8A7796_CLK_R), + DEF_MOD("cmt1", 302, R8A7796_CLK_R), + DEF_MOD("cmt0", 303, R8A7796_CLK_R), + DEF_MOD("tpu0", 304, R8A7796_CLK_S3D4), + DEF_MOD("scif2", 310, R8A7796_CLK_S3D4), + DEF_MOD("sdif3", 311, R8A7796_CLK_SD3), + DEF_MOD("sdif2", 312, R8A7796_CLK_SD2), + DEF_MOD("sdif1", 313, R8A7796_CLK_SD1), + DEF_MOD("sdif0", 314, R8A7796_CLK_SD0), + DEF_MOD("pcie1", 318, R8A7796_CLK_S3D1), + DEF_MOD("pcie0", 319, R8A7796_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A7796_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A7796_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A7796_CLK_S3D1), + DEF_MOD("rwdt", 402, R8A7796_CLK_R), + DEF_MOD("intc-ex", 407, R8A7796_CLK_CP), + DEF_MOD("intc-ap", 408, R8A7796_CLK_S0D3), + DEF_MOD("audmac1", 501, R8A7796_CLK_S1D2), + DEF_MOD("audmac0", 502, R8A7796_CLK_S1D2), + DEF_MOD("drif31", 508, R8A7796_CLK_S3D2), + DEF_MOD("drif30", 509, R8A7796_CLK_S3D2), + DEF_MOD("drif21", 510, R8A7796_CLK_S3D2), + DEF_MOD("drif20", 511, R8A7796_CLK_S3D2), + DEF_MOD("drif11", 512, R8A7796_CLK_S3D2), + DEF_MOD("drif10", 513, R8A7796_CLK_S3D2), + DEF_MOD("drif01", 514, R8A7796_CLK_S3D2), + DEF_MOD("drif00", 515, R8A7796_CLK_S3D2), + DEF_MOD("hscif4", 516, R8A7796_CLK_S3D1), + DEF_MOD("hscif3", 517, R8A7796_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A7796_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A7796_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A7796_CLK_S3D1), + DEF_MOD("thermal", 522, R8A7796_CLK_CP), + DEF_MOD("pwm", 523, R8A7796_CLK_S0D12), + DEF_MOD("fcpvd2", 601, R8A7796_CLK_S0D2), + DEF_MOD("fcpvd1", 602, R8A7796_CLK_S0D2), + DEF_MOD("fcpvd0", 603, R8A7796_CLK_S0D2), + DEF_MOD("fcpvb0", 607, R8A7796_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A7796_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A7796_CLK_S0D1), + DEF_MOD("fcpci0", 617, R8A7796_CLK_S0D2), + DEF_MOD("fcpcs", 619, R8A7796_CLK_S0D2), + DEF_MOD("vspd2", 621, R8A7796_CLK_S0D2), + DEF_MOD("vspd1", 622, R8A7796_CLK_S0D2), + DEF_MOD("vspd0", 623, R8A7796_CLK_S0D2), + DEF_MOD("vspb", 626, R8A7796_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A7796_CLK_S0D1), + DEF_MOD("ehci1", 702, R8A7796_CLK_S3D2), + DEF_MOD("ehci0", 703, R8A7796_CLK_S3D2), + DEF_MOD("hsusb", 704, R8A7796_CLK_S3D2), + DEF_MOD("cmm2", 709, R8A7796_CLK_S2D1), + DEF_MOD("cmm1", 710, R8A7796_CLK_S2D1), + DEF_MOD("cmm0", 711, R8A7796_CLK_S2D1), + DEF_MOD("csi20", 714, R8A7796_CLK_CSI0), + DEF_MOD("csi40", 716, R8A7796_CLK_CSI0), + DEF_MOD("du2", 722, R8A7796_CLK_S2D1), + DEF_MOD("du1", 723, R8A7796_CLK_S2D1), + DEF_MOD("du0", 724, R8A7796_CLK_S2D1), + DEF_MOD("lvds", 727, R8A7796_CLK_S2D1), + DEF_MOD("hdmi0", 729, R8A7796_CLK_HDMI), + DEF_MOD("mlp", 802, R8A7796_CLK_S2D1), + DEF_MOD("vin7", 804, R8A7796_CLK_S0D2), + DEF_MOD("vin6", 805, R8A7796_CLK_S0D2), + DEF_MOD("vin5", 806, R8A7796_CLK_S0D2), + DEF_MOD("vin4", 807, R8A7796_CLK_S0D2), + DEF_MOD("vin3", 808, R8A7796_CLK_S0D2), + DEF_MOD("vin2", 809, R8A7796_CLK_S0D2), + DEF_MOD("vin1", 810, R8A7796_CLK_S0D2), + DEF_MOD("vin0", 811, R8A7796_CLK_S0D2), + DEF_MOD("etheravb", 812, R8A7796_CLK_S0D6), + DEF_MOD("imr1", 822, R8A7796_CLK_S0D2), + DEF_MOD("imr0", 823, R8A7796_CLK_S0D2), + DEF_MOD("gpio7", 905, R8A7796_CLK_S3D4), + DEF_MOD("gpio6", 906, R8A7796_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A7796_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A7796_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A7796_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A7796_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A7796_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A7796_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A7796_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A7796_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A7796_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A7796_CLK_RPCD2), + DEF_MOD("i2c6", 918, R8A7796_CLK_S0D6), + DEF_MOD("i2c5", 919, R8A7796_CLK_S0D6), + DEF_MOD("adg", 922, R8A7796_CLK_S0D4), + DEF_MOD("i2c-dvfs", 926, R8A7796_CLK_CP), + DEF_MOD("i2c4", 927, R8A7796_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A7796_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A7796_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A7796_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A7796_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A7796_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A7796_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a7796_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 OSC + * 14 13 19 17 (MHz) + *------------------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 /16 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 /19 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 /24 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 /32 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, +}; + + /* + * Fixups for R-Car M3-W+ + */ + +static const unsigned int r8a77961_mod_nullify[] __initconst = { + MOD_CLK_ID(617), /* FCPCI0 */ +}; + +static int __init r8a7796_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + if (of_device_is_compatible(dev->of_node, "renesas,r8a77961-cpg-mssr")) + mssr_mod_nullify(r8a7796_mod_clks, + ARRAY_SIZE(r8a7796_mod_clks), + r8a77961_mod_nullify, + ARRAY_SIZE(r8a77961_mod_nullify)); + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a7796_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a7796_core_clks, + .num_core_clks = ARRAY_SIZE(r8a7796_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a7796_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a7796_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a7796_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a7796_crit_mod_clks), + + /* Callbacks */ + .init = r8a7796_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a77965-cpg-mssr.c b/drivers/clk/renesas/r8a77965-cpg-mssr.c new file mode 100644 index 000000000..219e41abb --- /dev/null +++ b/drivers/clk/renesas/r8a77965-cpg-mssr.c @@ -0,0 +1,371 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77965 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org> + * Copyright (C) 2019 Renesas Electronics Corp. + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a77965-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77965_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL4, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_SSPSRC, + CLK_RPCSRC, + CLK_RINT, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a77965_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + + /* Core Clock Outputs */ + DEF_GEN3_Z("z", R8A77965_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0, 2, 8), + DEF_GEN3_Z("zg", R8A77965_CLK_ZG, CLK_TYPE_GEN3_ZG, CLK_PLL4, 4, 24), + DEF_FIXED("ztr", R8A77965_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A77965_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A77965_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A77965_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A77965_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A77965_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A77965_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A77965_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A77965_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d8", R8A77965_CLK_S0D8, CLK_S0, 8, 1), + DEF_FIXED("s0d12", R8A77965_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s1d1", R8A77965_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A77965_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A77965_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A77965_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A77965_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A77965_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A77965_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A77965_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A77965_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SDH("sd0h", R8A77965_CLK_SD0H, CLK_SDSRC, 0x074), + DEF_GEN3_SDH("sd1h", R8A77965_CLK_SD1H, CLK_SDSRC, 0x078), + DEF_GEN3_SDH("sd2h", R8A77965_CLK_SD2H, CLK_SDSRC, 0x268), + DEF_GEN3_SDH("sd3h", R8A77965_CLK_SD3H, CLK_SDSRC, 0x26c), + DEF_GEN3_SD("sd0", R8A77965_CLK_SD0, R8A77965_CLK_SD0H, 0x074), + DEF_GEN3_SD("sd1", R8A77965_CLK_SD1, R8A77965_CLK_SD1H, 0x078), + DEF_GEN3_SD("sd2", R8A77965_CLK_SD2, R8A77965_CLK_SD2H, 0x268), + DEF_GEN3_SD("sd3", R8A77965_CLK_SD3, R8A77965_CLK_SD3H, 0x26c), + + DEF_BASE("rpc", R8A77965_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A77965_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A77965_CLK_RPC), + + DEF_FIXED("cl", R8A77965_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cr", R8A77965_CLK_CR, CLK_PLL1_DIV4, 2, 1), + DEF_FIXED("cp", R8A77965_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A77965_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A77965_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A77965_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A77965_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("hdmi", R8A77965_CLK_HDMI, CLK_PLL1_DIV4, 0x250), + + DEF_GEN3_OSC("osc", R8A77965_CLK_OSC, CLK_EXTAL, 8), + + DEF_BASE("r", R8A77965_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), +}; + +static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = { + DEF_MOD("3dge", 112, R8A77965_CLK_ZG), + DEF_MOD("fdp1-0", 119, R8A77965_CLK_S0D1), + DEF_MOD("tmu4", 121, R8A77965_CLK_S0D6), + DEF_MOD("tmu3", 122, R8A77965_CLK_S3D2), + DEF_MOD("tmu2", 123, R8A77965_CLK_S3D2), + DEF_MOD("tmu1", 124, R8A77965_CLK_S3D2), + DEF_MOD("tmu0", 125, R8A77965_CLK_CP), + DEF_MOD("scif5", 202, R8A77965_CLK_S3D4), + DEF_MOD("scif4", 203, R8A77965_CLK_S3D4), + DEF_MOD("scif3", 204, R8A77965_CLK_S3D4), + DEF_MOD("scif1", 206, R8A77965_CLK_S3D4), + DEF_MOD("scif0", 207, R8A77965_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A77965_CLK_MSO), + DEF_MOD("msiof2", 209, R8A77965_CLK_MSO), + DEF_MOD("msiof1", 210, R8A77965_CLK_MSO), + DEF_MOD("msiof0", 211, R8A77965_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A77965_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A77965_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A77965_CLK_S0D3), + DEF_MOD("sceg-pub", 229, R8A77965_CLK_CR), + + DEF_MOD("cmt3", 300, R8A77965_CLK_R), + DEF_MOD("cmt2", 301, R8A77965_CLK_R), + DEF_MOD("cmt1", 302, R8A77965_CLK_R), + DEF_MOD("cmt0", 303, R8A77965_CLK_R), + DEF_MOD("tpu0", 304, R8A77965_CLK_S3D4), + DEF_MOD("scif2", 310, R8A77965_CLK_S3D4), + DEF_MOD("sdif3", 311, R8A77965_CLK_SD3), + DEF_MOD("sdif2", 312, R8A77965_CLK_SD2), + DEF_MOD("sdif1", 313, R8A77965_CLK_SD1), + DEF_MOD("sdif0", 314, R8A77965_CLK_SD0), + DEF_MOD("pcie1", 318, R8A77965_CLK_S3D1), + DEF_MOD("pcie0", 319, R8A77965_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A77965_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A77965_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A77965_CLK_S3D1), + + DEF_MOD("rwdt", 402, R8A77965_CLK_R), + DEF_MOD("intc-ex", 407, R8A77965_CLK_CP), + DEF_MOD("intc-ap", 408, R8A77965_CLK_S0D3), + + DEF_MOD("audmac1", 501, R8A77965_CLK_S1D2), + DEF_MOD("audmac0", 502, R8A77965_CLK_S1D2), + DEF_MOD("drif31", 508, R8A77965_CLK_S3D2), + DEF_MOD("drif30", 509, R8A77965_CLK_S3D2), + DEF_MOD("drif21", 510, R8A77965_CLK_S3D2), + DEF_MOD("drif20", 511, R8A77965_CLK_S3D2), + DEF_MOD("drif11", 512, R8A77965_CLK_S3D2), + DEF_MOD("drif10", 513, R8A77965_CLK_S3D2), + DEF_MOD("drif01", 514, R8A77965_CLK_S3D2), + DEF_MOD("drif00", 515, R8A77965_CLK_S3D2), + DEF_MOD("hscif4", 516, R8A77965_CLK_S3D1), + DEF_MOD("hscif3", 517, R8A77965_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A77965_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A77965_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A77965_CLK_S3D1), + DEF_MOD("thermal", 522, R8A77965_CLK_CP), + DEF_MOD("pwm", 523, R8A77965_CLK_S0D12), + + DEF_MOD("fcpvd1", 602, R8A77965_CLK_S0D2), + DEF_MOD("fcpvd0", 603, R8A77965_CLK_S0D2), + DEF_MOD("fcpvb0", 607, R8A77965_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A77965_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A77965_CLK_S0D1), + DEF_MOD("fcpcs", 619, R8A77965_CLK_S0D2), + DEF_MOD("vspd1", 622, R8A77965_CLK_S0D2), + DEF_MOD("vspd0", 623, R8A77965_CLK_S0D2), + DEF_MOD("vspb", 626, R8A77965_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A77965_CLK_S0D1), + + DEF_MOD("ehci1", 702, R8A77965_CLK_S3D2), + DEF_MOD("ehci0", 703, R8A77965_CLK_S3D2), + DEF_MOD("hsusb", 704, R8A77965_CLK_S3D2), + DEF_MOD("cmm3", 708, R8A77965_CLK_S2D1), + DEF_MOD("cmm1", 710, R8A77965_CLK_S2D1), + DEF_MOD("cmm0", 711, R8A77965_CLK_S2D1), + DEF_MOD("csi20", 714, R8A77965_CLK_CSI0), + DEF_MOD("csi40", 716, R8A77965_CLK_CSI0), + DEF_MOD("du3", 721, R8A77965_CLK_S2D1), + DEF_MOD("du1", 723, R8A77965_CLK_S2D1), + DEF_MOD("du0", 724, R8A77965_CLK_S2D1), + DEF_MOD("lvds", 727, R8A77965_CLK_S2D1), + DEF_MOD("hdmi0", 729, R8A77965_CLK_HDMI), + + DEF_MOD("mlp", 802, R8A77965_CLK_S2D1), + DEF_MOD("vin7", 804, R8A77965_CLK_S0D2), + DEF_MOD("vin6", 805, R8A77965_CLK_S0D2), + DEF_MOD("vin5", 806, R8A77965_CLK_S0D2), + DEF_MOD("vin4", 807, R8A77965_CLK_S0D2), + DEF_MOD("vin3", 808, R8A77965_CLK_S0D2), + DEF_MOD("vin2", 809, R8A77965_CLK_S0D2), + DEF_MOD("vin1", 810, R8A77965_CLK_S0D2), + DEF_MOD("vin0", 811, R8A77965_CLK_S0D2), + DEF_MOD("etheravb", 812, R8A77965_CLK_S0D6), + DEF_MOD("sata0", 815, R8A77965_CLK_S3D2), + DEF_MOD("imr1", 822, R8A77965_CLK_S0D2), + DEF_MOD("imr0", 823, R8A77965_CLK_S0D2), + + DEF_MOD("gpio7", 905, R8A77965_CLK_S3D4), + DEF_MOD("gpio6", 906, R8A77965_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A77965_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A77965_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A77965_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A77965_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A77965_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A77965_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A77965_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A77965_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A77965_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A77965_CLK_RPCD2), + DEF_MOD("i2c6", 918, R8A77965_CLK_S0D6), + DEF_MOD("i2c5", 919, R8A77965_CLK_S0D6), + DEF_MOD("adg", 922, R8A77965_CLK_S0D4), + DEF_MOD("i2c-dvfs", 926, R8A77965_CLK_CP), + DEF_MOD("i2c4", 927, R8A77965_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A77965_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A77965_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A77965_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A77965_CLK_S3D2), + + DEF_MOD("ssi-all", 1005, R8A77965_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("dab", 1016, R8A77965_CLK_S0D6), + DEF_MOD("scu-all", 1017, R8A77965_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a77965_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 PLL4 OSC + * 14 13 19 17 (MHz) + *----------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x128 x144 /16 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x106 x120 /19 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x84 x96 /24 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x128 x144 /32 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x192 x144 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, +}; + +static int __init r8a77965_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a77965_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77965_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77965_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77965_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77965_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77965_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77965_crit_mod_clks), + + /* Callbacks */ + .init = r8a77965_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a77970-cpg-mssr.c b/drivers/clk/renesas/r8a77970-cpg-mssr.c new file mode 100644 index 000000000..e2bda2c10 --- /dev/null +++ b/drivers/clk/renesas/r8a77970-cpg-mssr.c @@ -0,0 +1,272 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77970 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2017-2018 Cogent Embedded Inc. + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a77970-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-cpg-lib.h" +#include "rcar-gen3-cpg.h" + +#define CPG_SD0CKCR 0x0074 + +enum r8a77970_clk_types { + CLK_TYPE_R8A77970_SD0H = CLK_TYPE_GEN3_SOC_BASE, + CLK_TYPE_R8A77970_SD0, +}; + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77970_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct clk_div_table cpg_sd0h_div_table[] = { + { 0, 2 }, { 1, 3 }, { 2, 4 }, { 3, 6 }, + { 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 }, + { 8, 24 }, { 10, 36 }, { 11, 48 }, { 0, 0 }, +}; + +static const struct clk_div_table cpg_sd0_div_table[] = { + { 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 }, + { 8, 24 }, { 10, 36 }, { 11, 48 }, { 12, 10 }, + { 0, 0 }, +}; + +static const struct cpg_core_clk r8a77970_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + + /* Core Clock Outputs */ + DEF_FIXED("z2", R8A77970_CLK_Z2, CLK_PLL1_DIV4, 1, 1), + DEF_FIXED("ztr", R8A77970_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A77970_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A77970_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A77970_CLK_ZX, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED("s1d1", R8A77970_CLK_S1D1, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("s1d2", R8A77970_CLK_S1D2, CLK_PLL1_DIV2, 8, 1), + DEF_FIXED("s1d4", R8A77970_CLK_S1D4, CLK_PLL1_DIV2, 16, 1), + DEF_FIXED("s2d1", R8A77970_CLK_S2D1, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("s2d2", R8A77970_CLK_S2D2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("s2d4", R8A77970_CLK_S2D4, CLK_PLL1_DIV2, 24, 1), + + DEF_BASE("sd0h", R8A77970_CLK_SD0H, CLK_TYPE_R8A77970_SD0H, + CLK_PLL1_DIV2), + DEF_BASE("sd0", R8A77970_CLK_SD0, CLK_TYPE_R8A77970_SD0, CLK_PLL1_DIV2), + + DEF_FIXED("rpc", R8A77970_CLK_RPC, CLK_PLL1_DIV2, 5, 1), + DEF_FIXED("rpcd2", R8A77970_CLK_RPCD2, CLK_PLL1_DIV2, 10, 1), + + DEF_FIXED("cl", R8A77970_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cp", R8A77970_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A77970_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A77970_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("mso", R8A77970_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("csi0", R8A77970_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + + DEF_FIXED("osc", R8A77970_CLK_OSC, CLK_PLL1_DIV2, 12*1024, 1), + DEF_FIXED("r", R8A77970_CLK_R, CLK_EXTALR, 1, 1), +}; + +static const struct mssr_mod_clk r8a77970_mod_clks[] __initconst = { + DEF_MOD("tmu4", 121, R8A77970_CLK_S2D2), + DEF_MOD("tmu3", 122, R8A77970_CLK_S2D2), + DEF_MOD("tmu2", 123, R8A77970_CLK_S2D2), + DEF_MOD("tmu1", 124, R8A77970_CLK_S2D2), + DEF_MOD("tmu0", 125, R8A77970_CLK_CP), + DEF_MOD("ivcp1e", 127, R8A77970_CLK_S2D1), + DEF_MOD("scif4", 203, R8A77970_CLK_S2D4), + DEF_MOD("scif3", 204, R8A77970_CLK_S2D4), + DEF_MOD("scif1", 206, R8A77970_CLK_S2D4), + DEF_MOD("scif0", 207, R8A77970_CLK_S2D4), + DEF_MOD("msiof3", 208, R8A77970_CLK_MSO), + DEF_MOD("msiof2", 209, R8A77970_CLK_MSO), + DEF_MOD("msiof1", 210, R8A77970_CLK_MSO), + DEF_MOD("msiof0", 211, R8A77970_CLK_MSO), + DEF_MOD("mfis", 213, R8A77970_CLK_S2D2), + DEF_MOD("sys-dmac2", 217, R8A77970_CLK_S2D1), + DEF_MOD("sys-dmac1", 218, R8A77970_CLK_S2D1), + DEF_MOD("cmt3", 300, R8A77970_CLK_R), + DEF_MOD("cmt2", 301, R8A77970_CLK_R), + DEF_MOD("cmt1", 302, R8A77970_CLK_R), + DEF_MOD("cmt0", 303, R8A77970_CLK_R), + DEF_MOD("tpu0", 304, R8A77970_CLK_S2D4), + DEF_MOD("sd-if", 314, R8A77970_CLK_SD0), + DEF_MOD("rwdt", 402, R8A77970_CLK_R), + DEF_MOD("intc-ex", 407, R8A77970_CLK_CP), + DEF_MOD("intc-ap", 408, R8A77970_CLK_S2D1), + DEF_MOD("hscif3", 517, R8A77970_CLK_S2D1), + DEF_MOD("hscif2", 518, R8A77970_CLK_S2D1), + DEF_MOD("hscif1", 519, R8A77970_CLK_S2D1), + DEF_MOD("hscif0", 520, R8A77970_CLK_S2D1), + DEF_MOD("thermal", 522, R8A77970_CLK_CP), + DEF_MOD("pwm", 523, R8A77970_CLK_S2D4), + DEF_MOD("fcpvd0", 603, R8A77970_CLK_S2D1), + DEF_MOD("vspd0", 623, R8A77970_CLK_S2D1), + DEF_MOD("csi40", 716, R8A77970_CLK_CSI0), + DEF_MOD("du0", 724, R8A77970_CLK_S2D1), + DEF_MOD("lvds", 727, R8A77970_CLK_S2D1), + DEF_MOD("vin3", 808, R8A77970_CLK_S2D1), + DEF_MOD("vin2", 809, R8A77970_CLK_S2D1), + DEF_MOD("vin1", 810, R8A77970_CLK_S2D1), + DEF_MOD("vin0", 811, R8A77970_CLK_S2D1), + DEF_MOD("etheravb", 812, R8A77970_CLK_S2D2), + DEF_MOD("gpio5", 907, R8A77970_CLK_CP), + DEF_MOD("gpio4", 908, R8A77970_CLK_CP), + DEF_MOD("gpio3", 909, R8A77970_CLK_CP), + DEF_MOD("gpio2", 910, R8A77970_CLK_CP), + DEF_MOD("gpio1", 911, R8A77970_CLK_CP), + DEF_MOD("gpio0", 912, R8A77970_CLK_CP), + DEF_MOD("can-fd", 914, R8A77970_CLK_S2D2), + DEF_MOD("rpc-if", 917, R8A77970_CLK_RPC), + DEF_MOD("i2c4", 927, R8A77970_CLK_S2D2), + DEF_MOD("i2c3", 928, R8A77970_CLK_S2D2), + DEF_MOD("i2c2", 929, R8A77970_CLK_S2D2), + DEF_MOD("i2c1", 930, R8A77970_CLK_S2D2), + DEF_MOD("i2c0", 931, R8A77970_CLK_S2D2), +}; + +static const unsigned int r8a77970_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) + *------------------------------------------------- + * 0 0 0 16.66 x 1 x192 x192 x96 + * 0 0 1 16.66 x 1 x192 x192 x80 + * 0 1 0 20 x 1 x160 x160 x80 + * 0 1 1 20 x 1 x160 x160 x66 + * 1 0 0 27 / 2 x236 x236 x118 + * 1 0 1 27 / 2 x236 x236 x98 + * 1 1 0 33.33 / 2 x192 x192 x96 + * 1 1 1 33.33 / 2 x192 x192 x80 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \ + (((md) & BIT(13)) >> 12) | \ + (((md) & BIT(19)) >> 19)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[8] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 192, 1, 96, 1, }, + { 1, 192, 1, 80, 1, }, + { 1, 160, 1, 80, 1, }, + { 1, 160, 1, 66, 1, }, + { 2, 236, 1, 118, 1, }, + { 2, 236, 1, 98, 1, }, + { 2, 192, 1, 96, 1, }, + { 2, 192, 1, 80, 1, }, +}; + +static int __init r8a77970_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +static struct clk * __init r8a77970_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub) +{ + const struct clk_div_table *table; + void __iomem *base = pub->base0; + struct clk **clks = pub->clks; + const struct clk *parent; + unsigned int shift; + + switch (core->type) { + case CLK_TYPE_R8A77970_SD0H: + table = cpg_sd0h_div_table; + shift = 8; + break; + case CLK_TYPE_R8A77970_SD0: + table = cpg_sd0_div_table; + shift = 4; + break; + default: + return rcar_gen3_cpg_clk_register(dev, core, info, pub); + } + + parent = clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + return clk_register_divider_table(NULL, core->name, + __clk_get_name(parent), 0, + base + CPG_SD0CKCR, + shift, 4, 0, table, &cpg_lock); +} + +const struct cpg_mssr_info r8a77970_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77970_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77970_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77970_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77970_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77970_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77970_crit_mod_clks), + + /* Callbacks */ + .init = r8a77970_cpg_mssr_init, + .cpg_clk_register = r8a77970_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a77980-cpg-mssr.c b/drivers/clk/renesas/r8a77980-cpg-mssr.c new file mode 100644 index 000000000..aaa685ec3 --- /dev/null +++ b/drivers/clk/renesas/r8a77980-cpg-mssr.c @@ -0,0 +1,264 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77980 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Renesas Electronics Corp. + * Copyright (C) 2018 Cogent Embedded, Inc. + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> +#include <linux/sys_soc.h> + +#include <dt-bindings/clock/r8a77980-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77980_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_RPCSRC, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a77980_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1), + + DEF_RATE(".oco", CLK_OCO, 32768), + + /* Core Clock Outputs */ + DEF_FIXED("z2", R8A77980_CLK_Z2, CLK_PLL2, 4, 1), + DEF_FIXED("ztr", R8A77980_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A77980_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A77980_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A77980_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A77980_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A77980_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A77980_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A77980_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A77980_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d12", R8A77980_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s0d24", R8A77980_CLK_S0D24, CLK_S0, 24, 1), + DEF_FIXED("s1d1", R8A77980_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A77980_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A77980_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A77980_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A77980_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A77980_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A77980_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A77980_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A77980_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SDH("sd0h", R8A77980_CLK_SD0H, CLK_SDSRC, 0x0074), + DEF_GEN3_SD("sd0", R8A77980_CLK_SD0, R8A77980_CLK_SD0H, 0x0074), + + DEF_BASE("rpc", R8A77980_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A77980_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A77980_CLK_RPC), + + DEF_FIXED("cl", R8A77980_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cp", R8A77980_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A77980_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A77980_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A77980_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A77980_CLK_MSO, CLK_PLL1_DIV4, 0x014), + + DEF_GEN3_OSC("osc", R8A77980_CLK_OSC, CLK_EXTAL, 8), + DEF_GEN3_MDSEL("r", R8A77980_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), +}; + +static const struct mssr_mod_clk r8a77980_mod_clks[] __initconst = { + DEF_MOD("tmu4", 121, R8A77980_CLK_S0D6), + DEF_MOD("tmu3", 122, R8A77980_CLK_S0D6), + DEF_MOD("tmu2", 123, R8A77980_CLK_S0D6), + DEF_MOD("tmu1", 124, R8A77980_CLK_S0D6), + DEF_MOD("tmu0", 125, R8A77980_CLK_CP), + DEF_MOD("scif4", 203, R8A77980_CLK_S3D4), + DEF_MOD("scif3", 204, R8A77980_CLK_S3D4), + DEF_MOD("scif1", 206, R8A77980_CLK_S3D4), + DEF_MOD("scif0", 207, R8A77980_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A77980_CLK_MSO), + DEF_MOD("msiof2", 209, R8A77980_CLK_MSO), + DEF_MOD("msiof1", 210, R8A77980_CLK_MSO), + DEF_MOD("msiof0", 211, R8A77980_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A77980_CLK_S0D3), + DEF_MOD("sys-dmac1", 218, R8A77980_CLK_S0D3), + DEF_MOD("cmt3", 300, R8A77980_CLK_R), + DEF_MOD("cmt2", 301, R8A77980_CLK_R), + DEF_MOD("cmt1", 302, R8A77980_CLK_R), + DEF_MOD("cmt0", 303, R8A77980_CLK_R), + DEF_MOD("tpu0", 304, R8A77980_CLK_S3D4), + DEF_MOD("sdif", 314, R8A77980_CLK_SD0), + DEF_MOD("pciec0", 319, R8A77980_CLK_S2D2), + DEF_MOD("rwdt", 402, R8A77980_CLK_R), + DEF_MOD("intc-ex", 407, R8A77980_CLK_CP), + DEF_MOD("intc-ap", 408, R8A77980_CLK_S0D3), + DEF_MOD("hscif3", 517, R8A77980_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A77980_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A77980_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A77980_CLK_S3D1), + DEF_MOD("imp4", 521, R8A77980_CLK_S1D1), + DEF_MOD("thermal", 522, R8A77980_CLK_CP), + DEF_MOD("pwm", 523, R8A77980_CLK_S0D12), + DEF_MOD("impdma1", 526, R8A77980_CLK_S1D1), + DEF_MOD("impdma0", 527, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv4", 528, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv3", 529, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv2", 531, R8A77980_CLK_S1D1), + DEF_MOD("fcpvd0", 603, R8A77980_CLK_S3D1), + DEF_MOD("vin15", 604, R8A77980_CLK_S2D1), + DEF_MOD("vin14", 605, R8A77980_CLK_S2D1), + DEF_MOD("vin13", 608, R8A77980_CLK_S2D1), + DEF_MOD("vin12", 612, R8A77980_CLK_S2D1), + DEF_MOD("vin11", 618, R8A77980_CLK_S2D1), + DEF_MOD("vspd0", 623, R8A77980_CLK_S3D1), + DEF_MOD("vin10", 625, R8A77980_CLK_S2D1), + DEF_MOD("vin9", 627, R8A77980_CLK_S2D1), + DEF_MOD("vin8", 628, R8A77980_CLK_S2D1), + DEF_MOD("csi41", 715, R8A77980_CLK_CSI0), + DEF_MOD("csi40", 716, R8A77980_CLK_CSI0), + DEF_MOD("du0", 724, R8A77980_CLK_S2D1), + DEF_MOD("lvds", 727, R8A77980_CLK_S2D1), + DEF_MOD("vin7", 804, R8A77980_CLK_S2D1), + DEF_MOD("vin6", 805, R8A77980_CLK_S2D1), + DEF_MOD("vin5", 806, R8A77980_CLK_S2D1), + DEF_MOD("vin4", 807, R8A77980_CLK_S2D1), + DEF_MOD("vin3", 808, R8A77980_CLK_S2D1), + DEF_MOD("vin2", 809, R8A77980_CLK_S2D1), + DEF_MOD("vin1", 810, R8A77980_CLK_S2D1), + DEF_MOD("vin0", 811, R8A77980_CLK_S2D1), + DEF_MOD("etheravb", 812, R8A77980_CLK_S3D2), + DEF_MOD("gether", 813, R8A77980_CLK_S3D2), + DEF_MOD("imp3", 824, R8A77980_CLK_S1D1), + DEF_MOD("imp2", 825, R8A77980_CLK_S1D1), + DEF_MOD("imp1", 826, R8A77980_CLK_S1D1), + DEF_MOD("imp0", 827, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv1", 828, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv0", 829, R8A77980_CLK_S1D1), + DEF_MOD("impram", 830, R8A77980_CLK_S1D1), + DEF_MOD("impcnn", 831, R8A77980_CLK_S1D1), + DEF_MOD("gpio5", 907, R8A77980_CLK_CP), + DEF_MOD("gpio4", 908, R8A77980_CLK_CP), + DEF_MOD("gpio3", 909, R8A77980_CLK_CP), + DEF_MOD("gpio2", 910, R8A77980_CLK_CP), + DEF_MOD("gpio1", 911, R8A77980_CLK_CP), + DEF_MOD("gpio0", 912, R8A77980_CLK_CP), + DEF_MOD("can-fd", 914, R8A77980_CLK_S3D2), + DEF_MOD("rpc-if", 917, R8A77980_CLK_RPCD2), + DEF_MOD("i2c5", 919, R8A77980_CLK_S0D6), + DEF_MOD("i2c4", 927, R8A77980_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A77980_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A77980_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A77980_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A77980_CLK_S3D2), +}; + +static const unsigned int r8a77980_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL2 PLL1 PLL3 OSC + * 14 13 (MHz) + * -------------------------------------------------------- + * 0 0 16.66 x 1 x240 x192 x192 /16 + * 0 1 20 x 1 x200 x160 x160 /19 + * 1 0 27 x 1 x148 x118 x118 /26 + * 1 1 33.33 / 2 x240 x192 x192 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[4] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 118, 1, 118, 1, 26, }, + { 2, 192, 1, 192, 1, 32, }, +}; + +static int __init r8a77980_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a77980_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77980_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77980_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77980_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77980_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77980_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77980_crit_mod_clks), + + /* Callbacks */ + .init = r8a77980_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a77990-cpg-mssr.c b/drivers/clk/renesas/r8a77990-cpg-mssr.c new file mode 100644 index 000000000..b2f82c594 --- /dev/null +++ b/drivers/clk/renesas/r8a77990-cpg-mssr.c @@ -0,0 +1,322 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77990 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018-2019 Renesas Electronics Corp. + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a77990-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77990_CLK_CPEX, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL0D4, + CLK_PLL0D6, + CLK_PLL0D8, + CLK_PLL0D20, + CLK_PLL0D24, + CLK_PLL1D2, + CLK_PE, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_RPCSRC, + CLK_RINT, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a77990_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + + DEF_FIXED(".pll0", CLK_PLL0, CLK_MAIN, 1, 100), + DEF_FIXED(".pll0d4", CLK_PLL0D4, CLK_PLL0, 4, 1), + DEF_FIXED(".pll0d6", CLK_PLL0D6, CLK_PLL0, 6, 1), + DEF_FIXED(".pll0d8", CLK_PLL0D8, CLK_PLL0, 8, 1), + DEF_FIXED(".pll0d20", CLK_PLL0D20, CLK_PLL0, 20, 1), + DEF_FIXED(".pll0d24", CLK_PLL0D24, CLK_PLL0, 24, 1), + DEF_FIXED(".pll1d2", CLK_PLL1D2, CLK_PLL1, 2, 1), + DEF_FIXED(".pe", CLK_PE, CLK_PLL0D20, 1, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1), + + DEF_FIXED_RPCSRC_E3(".rpcsrc", CLK_RPCSRC, CLK_PLL0, CLK_PLL1), + + DEF_DIV6_RO(".r", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + + DEF_RATE(".oco", CLK_OCO, 8 * 1000 * 1000), + + /* Core Clock Outputs */ + DEF_FIXED("za2", R8A77990_CLK_ZA2, CLK_PLL0D24, 1, 1), + DEF_FIXED("za8", R8A77990_CLK_ZA8, CLK_PLL0D8, 1, 1), + DEF_GEN3_Z("z2", R8A77990_CLK_Z2, CLK_TYPE_GEN3_Z, CLK_PLL0, 4, 8), + DEF_FIXED("ztr", R8A77990_CLK_ZTR, CLK_PLL1, 6, 1), + DEF_FIXED("zt", R8A77990_CLK_ZT, CLK_PLL1, 4, 1), + DEF_FIXED("zx", R8A77990_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("s0d1", R8A77990_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d3", R8A77990_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d6", R8A77990_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d12", R8A77990_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s0d24", R8A77990_CLK_S0D24, CLK_S0, 24, 1), + DEF_FIXED("s1d1", R8A77990_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A77990_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A77990_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A77990_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A77990_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A77990_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A77990_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A77990_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A77990_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SDH("sd0h", R8A77990_CLK_SD0H, CLK_SDSRC, 0x0074), + DEF_GEN3_SDH("sd1h", R8A77990_CLK_SD1H, CLK_SDSRC, 0x0078), + DEF_GEN3_SDH("sd3h", R8A77990_CLK_SD3H, CLK_SDSRC, 0x026c), + DEF_GEN3_SD("sd0", R8A77990_CLK_SD0, R8A77990_CLK_SD0H, 0x0074), + DEF_GEN3_SD("sd1", R8A77990_CLK_SD1, R8A77990_CLK_SD1H, 0x0078), + DEF_GEN3_SD("sd3", R8A77990_CLK_SD3, R8A77990_CLK_SD3H, 0x026c), + + DEF_BASE("rpc", R8A77990_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A77990_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A77990_CLK_RPC), + + DEF_FIXED("cl", R8A77990_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("cr", R8A77990_CLK_CR, CLK_PLL1D2, 2, 1), + DEF_FIXED("cp", R8A77990_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A77990_CLK_CPEX, CLK_EXTAL, 4, 1), + + DEF_DIV6_RO("osc", R8A77990_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), + + DEF_GEN3_PE("s0d6c", R8A77990_CLK_S0D6C, CLK_S0, 6, CLK_PE, 2), + DEF_GEN3_PE("s3d1c", R8A77990_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1), + DEF_GEN3_PE("s3d2c", R8A77990_CLK_S3D2C, CLK_S3, 2, CLK_PE, 2), + DEF_GEN3_PE("s3d4c", R8A77990_CLK_S3D4C, CLK_S3, 4, CLK_PE, 4), + + DEF_DIV6P1("canfd", R8A77990_CLK_CANFD, CLK_PLL0D6, 0x244), + DEF_DIV6P1("csi0", R8A77990_CLK_CSI0, CLK_PLL1D2, 0x00c), + DEF_DIV6P1("mso", R8A77990_CLK_MSO, CLK_PLL1D2, 0x014), + + DEF_GEN3_RCKSEL("r", R8A77990_CLK_R, CLK_RINT, 1, CLK_OCO, 61 * 4), +}; + +static const struct mssr_mod_clk r8a77990_mod_clks[] __initconst = { + DEF_MOD("tmu4", 121, R8A77990_CLK_S0D6C), + DEF_MOD("tmu3", 122, R8A77990_CLK_S3D2C), + DEF_MOD("tmu2", 123, R8A77990_CLK_S3D2C), + DEF_MOD("tmu1", 124, R8A77990_CLK_S3D2C), + DEF_MOD("tmu0", 125, R8A77990_CLK_CP), + DEF_MOD("scif5", 202, R8A77990_CLK_S3D4C), + DEF_MOD("scif4", 203, R8A77990_CLK_S3D4C), + DEF_MOD("scif3", 204, R8A77990_CLK_S3D4C), + DEF_MOD("scif1", 206, R8A77990_CLK_S3D4C), + DEF_MOD("scif0", 207, R8A77990_CLK_S3D4C), + DEF_MOD("msiof3", 208, R8A77990_CLK_MSO), + DEF_MOD("msiof2", 209, R8A77990_CLK_MSO), + DEF_MOD("msiof1", 210, R8A77990_CLK_MSO), + DEF_MOD("msiof0", 211, R8A77990_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A77990_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A77990_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A77990_CLK_S3D1), + DEF_MOD("sceg-pub", 229, R8A77990_CLK_CR), + + DEF_MOD("cmt3", 300, R8A77990_CLK_R), + DEF_MOD("cmt2", 301, R8A77990_CLK_R), + DEF_MOD("cmt1", 302, R8A77990_CLK_R), + DEF_MOD("cmt0", 303, R8A77990_CLK_R), + DEF_MOD("scif2", 310, R8A77990_CLK_S3D4C), + DEF_MOD("sdif3", 311, R8A77990_CLK_SD3), + DEF_MOD("sdif1", 313, R8A77990_CLK_SD1), + DEF_MOD("sdif0", 314, R8A77990_CLK_SD0), + DEF_MOD("pcie0", 319, R8A77990_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A77990_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A77990_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A77990_CLK_S3D1), + + DEF_MOD("rwdt", 402, R8A77990_CLK_R), + DEF_MOD("intc-ex", 407, R8A77990_CLK_CP), + DEF_MOD("intc-ap", 408, R8A77990_CLK_S0D3), + + DEF_MOD("audmac0", 502, R8A77990_CLK_S1D2), + DEF_MOD("drif31", 508, R8A77990_CLK_S3D2), + DEF_MOD("drif30", 509, R8A77990_CLK_S3D2), + DEF_MOD("drif21", 510, R8A77990_CLK_S3D2), + DEF_MOD("drif20", 511, R8A77990_CLK_S3D2), + DEF_MOD("drif11", 512, R8A77990_CLK_S3D2), + DEF_MOD("drif10", 513, R8A77990_CLK_S3D2), + DEF_MOD("drif01", 514, R8A77990_CLK_S3D2), + DEF_MOD("drif00", 515, R8A77990_CLK_S3D2), + DEF_MOD("hscif4", 516, R8A77990_CLK_S3D1C), + DEF_MOD("hscif3", 517, R8A77990_CLK_S3D1C), + DEF_MOD("hscif2", 518, R8A77990_CLK_S3D1C), + DEF_MOD("hscif1", 519, R8A77990_CLK_S3D1C), + DEF_MOD("hscif0", 520, R8A77990_CLK_S3D1C), + DEF_MOD("thermal", 522, R8A77990_CLK_CP), + DEF_MOD("pwm", 523, R8A77990_CLK_S3D4C), + + DEF_MOD("fcpvd1", 602, R8A77990_CLK_S1D2), + DEF_MOD("fcpvd0", 603, R8A77990_CLK_S1D2), + DEF_MOD("fcpvb0", 607, R8A77990_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A77990_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A77990_CLK_S0D1), + DEF_MOD("fcpcs", 619, R8A77990_CLK_S0D1), + DEF_MOD("vspd1", 622, R8A77990_CLK_S1D2), + DEF_MOD("vspd0", 623, R8A77990_CLK_S1D2), + DEF_MOD("vspb", 626, R8A77990_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A77990_CLK_S0D1), + + DEF_MOD("ehci0", 703, R8A77990_CLK_S3D2), + DEF_MOD("hsusb", 704, R8A77990_CLK_S3D2), + DEF_MOD("cmm1", 710, R8A77990_CLK_S1D1), + DEF_MOD("cmm0", 711, R8A77990_CLK_S1D1), + DEF_MOD("csi40", 716, R8A77990_CLK_CSI0), + DEF_MOD("du1", 723, R8A77990_CLK_S1D1), + DEF_MOD("du0", 724, R8A77990_CLK_S1D1), + DEF_MOD("lvds", 727, R8A77990_CLK_S2D1), + + DEF_MOD("mlp", 802, R8A77990_CLK_S2D1), + DEF_MOD("vin5", 806, R8A77990_CLK_S1D2), + DEF_MOD("vin4", 807, R8A77990_CLK_S1D2), + DEF_MOD("etheravb", 812, R8A77990_CLK_S3D2), + + DEF_MOD("gpio6", 906, R8A77990_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A77990_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A77990_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A77990_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A77990_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A77990_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A77990_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A77990_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A77990_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A77990_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A77990_CLK_RPCD2), + DEF_MOD("i2c6", 918, R8A77990_CLK_S3D2), + DEF_MOD("i2c5", 919, R8A77990_CLK_S3D2), + DEF_MOD("adg", 922, R8A77990_CLK_ZA2), + DEF_MOD("i2c-dvfs", 926, R8A77990_CLK_CP), + DEF_MOD("i2c4", 927, R8A77990_CLK_S3D2), + DEF_MOD("i2c3", 928, R8A77990_CLK_S3D2), + DEF_MOD("i2c2", 929, R8A77990_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A77990_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A77990_CLK_S3D2), + + DEF_MOD("i2c7", 1003, R8A77990_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A77990_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("dab", 1016, R8A77990_CLK_S3D1), + DEF_MOD("scu-all", 1017, R8A77990_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a77990_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD19 EXTAL (MHz) PLL0 PLL1 PLL3 + *-------------------------------------------------------------------- + * 0 48 x 1 x100/1 x100/3 x100/3 + * 1 48 x 1 x100/1 x100/3 x58/3 + */ +#define CPG_PLL_CONFIG_INDEX(md) (((md) & BIT(19)) >> 19) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[2] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 100, 3, 100, 3, }, + { 1, 100, 3, 58, 3, }, +}; + +static int __init r8a77990_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen3_cpg_init(cpg_pll_config, 0, cpg_mode); +} + +const struct cpg_mssr_info r8a77990_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77990_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77990_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77990_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77990_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77990_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77990_crit_mod_clks), + + /* Callbacks */ + .init = r8a77990_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a77995-cpg-mssr.c b/drivers/clk/renesas/r8a77995-cpg-mssr.c new file mode 100644 index 000000000..162fa86c8 --- /dev/null +++ b/drivers/clk/renesas/r8a77995-cpg-mssr.c @@ -0,0 +1,258 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77995 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2017 Glider bvba + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a77995-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77995_CLK_CPEX, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL0D2, + CLK_PLL0D3, + CLK_PLL0D5, + CLK_PLL1D2, + CLK_PE, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_RPCSRC, + CLK_RINT, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a77995_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + + DEF_FIXED(".pll0", CLK_PLL0, CLK_MAIN, 4, 250), + DEF_FIXED(".pll0d2", CLK_PLL0D2, CLK_PLL0, 2, 1), + DEF_FIXED(".pll0d3", CLK_PLL0D3, CLK_PLL0, 3, 1), + DEF_FIXED(".pll0d5", CLK_PLL0D5, CLK_PLL0, 5, 1), + DEF_FIXED(".pll1d2", CLK_PLL1D2, CLK_PLL1, 2, 1), + DEF_FIXED(".pe", CLK_PE, CLK_PLL0D3, 4, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1), + + DEF_FIXED_RPCSRC_D3(".rpcsrc", CLK_RPCSRC, CLK_PLL0, CLK_PLL1), + + DEF_DIV6_RO(".r", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + + DEF_RATE(".oco", CLK_OCO, 8 * 1000 * 1000), + + /* Core Clock Outputs */ + DEF_FIXED("za2", R8A77995_CLK_ZA2, CLK_PLL0D3, 2, 1), + DEF_FIXED("z2", R8A77995_CLK_Z2, CLK_PLL0D3, 1, 1), + DEF_FIXED("ztr", R8A77995_CLK_ZTR, CLK_PLL1, 6, 1), + DEF_FIXED("zt", R8A77995_CLK_ZT, CLK_PLL1, 4, 1), + DEF_FIXED("zx", R8A77995_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("s0d1", R8A77995_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s1d1", R8A77995_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A77995_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A77995_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A77995_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A77995_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A77995_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A77995_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A77995_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A77995_CLK_S3D4, CLK_S3, 4, 1), + + DEF_FIXED("cl", R8A77995_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("cr", R8A77995_CLK_CR, CLK_PLL1D2, 2, 1), + DEF_FIXED("cp", R8A77995_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A77995_CLK_CPEX, CLK_EXTAL, 4, 1), + + DEF_DIV6_RO("osc", R8A77995_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), + + DEF_GEN3_PE("s1d4c", R8A77995_CLK_S1D4C, CLK_S1, 4, CLK_PE, 2), + DEF_GEN3_PE("s3d1c", R8A77995_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1), + DEF_GEN3_PE("s3d2c", R8A77995_CLK_S3D2C, CLK_S3, 2, CLK_PE, 2), + DEF_GEN3_PE("s3d4c", R8A77995_CLK_S3D4C, CLK_S3, 4, CLK_PE, 4), + + DEF_GEN3_SDH("sd0h", R8A77995_CLK_SD0H, CLK_SDSRC, 0x268), + DEF_GEN3_SD("sd0", R8A77995_CLK_SD0, R8A77995_CLK_SD0H, 0x268), + + DEF_BASE("rpc", R8A77995_CLK_RPC, CLK_TYPE_GEN3_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A77995_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2, R8A77995_CLK_RPC), + + DEF_DIV6P1("canfd", R8A77995_CLK_CANFD, CLK_PLL0D3, 0x244), + DEF_DIV6P1("mso", R8A77995_CLK_MSO, CLK_PLL1D2, 0x014), + + DEF_GEN3_RCKSEL("r", R8A77995_CLK_R, CLK_RINT, 1, CLK_OCO, 61 * 4), +}; + +static const struct mssr_mod_clk r8a77995_mod_clks[] __initconst = { + DEF_MOD("tmu4", 121, R8A77995_CLK_S1D4C), + DEF_MOD("tmu3", 122, R8A77995_CLK_S3D2C), + DEF_MOD("tmu2", 123, R8A77995_CLK_S3D2C), + DEF_MOD("tmu1", 124, R8A77995_CLK_S3D2C), + DEF_MOD("tmu0", 125, R8A77995_CLK_CP), + DEF_MOD("scif5", 202, R8A77995_CLK_S3D4C), + DEF_MOD("scif4", 203, R8A77995_CLK_S3D4C), + DEF_MOD("scif3", 204, R8A77995_CLK_S3D4C), + DEF_MOD("scif1", 206, R8A77995_CLK_S3D4C), + DEF_MOD("scif0", 207, R8A77995_CLK_S3D4C), + DEF_MOD("msiof3", 208, R8A77995_CLK_MSO), + DEF_MOD("msiof2", 209, R8A77995_CLK_MSO), + DEF_MOD("msiof1", 210, R8A77995_CLK_MSO), + DEF_MOD("msiof0", 211, R8A77995_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A77995_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A77995_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A77995_CLK_S3D1), + DEF_MOD("sceg-pub", 229, R8A77995_CLK_CR), + DEF_MOD("cmt3", 300, R8A77995_CLK_R), + DEF_MOD("cmt2", 301, R8A77995_CLK_R), + DEF_MOD("cmt1", 302, R8A77995_CLK_R), + DEF_MOD("cmt0", 303, R8A77995_CLK_R), + DEF_MOD("scif2", 310, R8A77995_CLK_S3D4C), + DEF_MOD("emmc0", 312, R8A77995_CLK_SD0), + DEF_MOD("usb-dmac0", 330, R8A77995_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A77995_CLK_S3D1), + DEF_MOD("rwdt", 402, R8A77995_CLK_R), + DEF_MOD("intc-ex", 407, R8A77995_CLK_CP), + DEF_MOD("intc-ap", 408, R8A77995_CLK_S1D2), + DEF_MOD("audmac0", 502, R8A77995_CLK_S1D2), + DEF_MOD("hscif3", 517, R8A77995_CLK_S3D1C), + DEF_MOD("hscif0", 520, R8A77995_CLK_S3D1C), + DEF_MOD("thermal", 522, R8A77995_CLK_CP), + DEF_MOD("pwm", 523, R8A77995_CLK_S3D4C), + DEF_MOD("fcpvd1", 602, R8A77995_CLK_S1D2), + DEF_MOD("fcpvd0", 603, R8A77995_CLK_S1D2), + DEF_MOD("fcpvbs", 607, R8A77995_CLK_S0D1), + DEF_MOD("vspd1", 622, R8A77995_CLK_S1D2), + DEF_MOD("vspd0", 623, R8A77995_CLK_S1D2), + DEF_MOD("vspbs", 627, R8A77995_CLK_S0D1), + DEF_MOD("ehci0", 703, R8A77995_CLK_S3D2), + DEF_MOD("hsusb", 704, R8A77995_CLK_S3D2), + DEF_MOD("cmm1", 710, R8A77995_CLK_S1D1), + DEF_MOD("cmm0", 711, R8A77995_CLK_S1D1), + DEF_MOD("du1", 723, R8A77995_CLK_S1D1), + DEF_MOD("du0", 724, R8A77995_CLK_S1D1), + DEF_MOD("lvds", 727, R8A77995_CLK_S2D1), + DEF_MOD("mlp", 802, R8A77995_CLK_S2D1), + DEF_MOD("vin4", 807, R8A77995_CLK_S3D1), + DEF_MOD("etheravb", 812, R8A77995_CLK_S3D2), + DEF_MOD("imr0", 823, R8A77995_CLK_S1D2), + DEF_MOD("gpio6", 906, R8A77995_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A77995_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A77995_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A77995_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A77995_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A77995_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A77995_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A77995_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A77995_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A77995_CLK_S3D4), + DEF_MOD("rpc-if", 917, R8A77995_CLK_RPCD2), + DEF_MOD("adg", 922, R8A77995_CLK_ZA2), + DEF_MOD("i2c3", 928, R8A77995_CLK_S3D2), + DEF_MOD("i2c2", 929, R8A77995_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A77995_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A77995_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A77995_CLK_S3D4), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A77995_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a77995_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD19 EXTAL (MHz) PLL0 PLL1 PLL3 + *-------------------------------------------------------------------- + * 0 48 x 1 x250/4 x100/3 x100/3 + * 1 48 x 1 x250/4 x100/3 x58/3 + */ +#define CPG_PLL_CONFIG_INDEX(md) (((md) & BIT(19)) >> 19) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[2] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 100, 3, 100, 3, }, + { 1, 100, 3, 58, 3, }, +}; + +static int __init r8a77995_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen3_cpg_init(cpg_pll_config, 0, cpg_mode); +} + +const struct cpg_mssr_info r8a77995_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77995_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77995_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77995_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77995_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77995_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77995_crit_mod_clks), + + /* Callbacks */ + .init = r8a77995_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a779a0-cpg-mssr.c b/drivers/clk/renesas/r8a779a0-cpg-mssr.c new file mode 100644 index 000000000..d67dff05d --- /dev/null +++ b/drivers/clk/renesas/r8a779a0-cpg-mssr.c @@ -0,0 +1,318 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a779a0 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2020 Renesas Electronics Corp. + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a779a0-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen4-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A779A0_CLK_ZG, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL1, + CLK_PLL20, + CLK_PLL21, + CLK_PLL30, + CLK_PLL31, + CLK_PLL4, + CLK_PLL5, + CLK_PLL1_DIV2, + CLK_PLL20_DIV2, + CLK_PLL21_DIV2, + CLK_PLL30_DIV2, + CLK_PLL31_DIV2, + CLK_PLL5_DIV2, + CLK_PLL5_DIV4, + CLK_S1, + CLK_S3, + CLK_SDSRC, + CLK_RPCSRC, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +#define DEF_PLL(_name, _id, _offset) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN4_PLL2X_3X, CLK_MAIN, \ + .offset = _offset) + +#define CPG_PLL20CR 0x0834 /* PLL20 Control Register */ +#define CPG_PLL21CR 0x0838 /* PLL21 Control Register */ +#define CPG_PLL30CR 0x083c /* PLL30 Control Register */ +#define CPG_PLL31CR 0x0840 /* PLL31 Control Register */ +#define CPG_PLL4CR 0x0844 /* PLL4 Control Register */ + +static const struct cpg_core_clk r8a779a0_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN4_MAIN, CLK_EXTAL), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN4_PLL1, CLK_MAIN), + DEF_BASE(".pll5", CLK_PLL5, CLK_TYPE_GEN4_PLL5, CLK_MAIN), + DEF_PLL(".pll20", CLK_PLL20, CPG_PLL20CR), + DEF_PLL(".pll21", CLK_PLL21, CPG_PLL21CR), + DEF_PLL(".pll30", CLK_PLL30, CPG_PLL30CR), + DEF_PLL(".pll31", CLK_PLL31, CPG_PLL31CR), + DEF_PLL(".pll4", CLK_PLL4, CPG_PLL4CR), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll20_div2", CLK_PLL20_DIV2, CLK_PLL20, 2, 1), + DEF_FIXED(".pll21_div2", CLK_PLL21_DIV2, CLK_PLL21, 2, 1), + DEF_FIXED(".pll30_div2", CLK_PLL30_DIV2, CLK_PLL30, 2, 1), + DEF_FIXED(".pll31_div2", CLK_PLL31_DIV2, CLK_PLL31, 2, 1), + DEF_FIXED(".pll5_div2", CLK_PLL5_DIV2, CLK_PLL5, 2, 1), + DEF_FIXED(".pll5_div4", CLK_PLL5_DIV4, CLK_PLL5_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL5_DIV4, 1, 1), + + DEF_RATE(".oco", CLK_OCO, 32768), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN4_RPCSRC, CLK_PLL5), + + /* Core Clock Outputs */ + DEF_GEN4_Z("z0", R8A779A0_CLK_Z0, CLK_TYPE_GEN4_Z, CLK_PLL20, 2, 0), + DEF_GEN4_Z("z1", R8A779A0_CLK_Z1, CLK_TYPE_GEN4_Z, CLK_PLL21, 2, 8), + DEF_GEN4_Z("zg", R8A779A0_CLK_ZG, CLK_TYPE_GEN4_Z, CLK_PLL4, 2, 88), + DEF_FIXED("zx", R8A779A0_CLK_ZX, CLK_PLL20_DIV2, 2, 1), + DEF_FIXED("s1d1", R8A779A0_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A779A0_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A779A0_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s1d8", R8A779A0_CLK_S1D8, CLK_S1, 8, 1), + DEF_FIXED("s1d12", R8A779A0_CLK_S1D12, CLK_S1, 12, 1), + DEF_FIXED("s3d1", R8A779A0_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A779A0_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A779A0_CLK_S3D4, CLK_S3, 4, 1), + DEF_FIXED("zs", R8A779A0_CLK_ZS, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zt", R8A779A0_CLK_ZT, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("ztr", R8A779A0_CLK_ZTR, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("zr", R8A779A0_CLK_ZR, CLK_PLL1_DIV2, 1, 1), + DEF_FIXED("cnndsp", R8A779A0_CLK_CNNDSP, CLK_PLL5_DIV4, 1, 1), + DEF_FIXED("vip", R8A779A0_CLK_VIP, CLK_PLL5, 5, 1), + DEF_FIXED("adgh", R8A779A0_CLK_ADGH, CLK_PLL5_DIV4, 1, 1), + DEF_FIXED("icu", R8A779A0_CLK_ICU, CLK_PLL5_DIV4, 2, 1), + DEF_FIXED("icud2", R8A779A0_CLK_ICUD2, CLK_PLL5_DIV4, 4, 1), + DEF_FIXED("vcbus", R8A779A0_CLK_VCBUS, CLK_PLL5_DIV4, 1, 1), + DEF_FIXED("cbfusa", R8A779A0_CLK_CBFUSA, CLK_EXTAL, 2, 1), + DEF_FIXED("cp", R8A779A0_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cl16mck", R8A779A0_CLK_CL16MCK, CLK_PLL1_DIV2, 64, 1), + + DEF_GEN4_SDH("sd0h", R8A779A0_CLK_SD0H, CLK_SDSRC, CPG_SD0CKCR), + DEF_GEN4_SD("sd0", R8A779A0_CLK_SD0, R8A779A0_CLK_SD0H, CPG_SD0CKCR), + + DEF_BASE("rpc", R8A779A0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A779A0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2, + R8A779A0_CLK_RPC), + + DEF_DIV6P1("mso", R8A779A0_CLK_MSO, CLK_PLL5_DIV4, CPG_MSOCKCR), + DEF_DIV6P1("canfd", R8A779A0_CLK_CANFD, CLK_PLL5_DIV4, CPG_CANFDCKCR), + DEF_DIV6P1("csi0", R8A779A0_CLK_CSI0, CLK_PLL5_DIV4, CPG_CSICKCR), + DEF_DIV6P1("dsi", R8A779A0_CLK_DSI, CLK_PLL5_DIV4, CPG_DSIEXTCKCR), + + DEF_GEN4_OSC("osc", R8A779A0_CLK_OSC, CLK_EXTAL, 8), + DEF_GEN4_MDSEL("r", R8A779A0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), +}; + +static const struct mssr_mod_clk r8a779a0_mod_clks[] __initconst = { + DEF_MOD("3dge", 0, R8A779A0_CLK_ZG), + DEF_MOD("isp0", 16, R8A779A0_CLK_S1D1), + DEF_MOD("isp1", 17, R8A779A0_CLK_S1D1), + DEF_MOD("isp2", 18, R8A779A0_CLK_S1D1), + DEF_MOD("isp3", 19, R8A779A0_CLK_S1D1), + DEF_MOD("avb0", 211, R8A779A0_CLK_S3D2), + DEF_MOD("avb1", 212, R8A779A0_CLK_S3D2), + DEF_MOD("avb2", 213, R8A779A0_CLK_S3D2), + DEF_MOD("avb3", 214, R8A779A0_CLK_S3D2), + DEF_MOD("avb4", 215, R8A779A0_CLK_S3D2), + DEF_MOD("avb5", 216, R8A779A0_CLK_S3D2), + DEF_MOD("canfd0", 328, R8A779A0_CLK_S3D2), + DEF_MOD("csi40", 331, R8A779A0_CLK_CSI0), + DEF_MOD("csi41", 400, R8A779A0_CLK_CSI0), + DEF_MOD("csi42", 401, R8A779A0_CLK_CSI0), + DEF_MOD("csi43", 402, R8A779A0_CLK_CSI0), + DEF_MOD("du", 411, R8A779A0_CLK_S3D1), + DEF_MOD("dsi0", 415, R8A779A0_CLK_DSI), + DEF_MOD("dsi1", 416, R8A779A0_CLK_DSI), + DEF_MOD("fcpvd0", 508, R8A779A0_CLK_S3D1), + DEF_MOD("fcpvd1", 509, R8A779A0_CLK_S3D1), + DEF_MOD("hscif0", 514, R8A779A0_CLK_S1D2), + DEF_MOD("hscif1", 515, R8A779A0_CLK_S1D2), + DEF_MOD("hscif2", 516, R8A779A0_CLK_S1D2), + DEF_MOD("hscif3", 517, R8A779A0_CLK_S1D2), + DEF_MOD("i2c0", 518, R8A779A0_CLK_S1D4), + DEF_MOD("i2c1", 519, R8A779A0_CLK_S1D4), + DEF_MOD("i2c2", 520, R8A779A0_CLK_S1D4), + DEF_MOD("i2c3", 521, R8A779A0_CLK_S1D4), + DEF_MOD("i2c4", 522, R8A779A0_CLK_S1D4), + DEF_MOD("i2c5", 523, R8A779A0_CLK_S1D4), + DEF_MOD("i2c6", 524, R8A779A0_CLK_S1D4), + DEF_MOD("ispcs0", 612, R8A779A0_CLK_S1D1), + DEF_MOD("ispcs1", 613, R8A779A0_CLK_S1D1), + DEF_MOD("ispcs2", 614, R8A779A0_CLK_S1D1), + DEF_MOD("ispcs3", 615, R8A779A0_CLK_S1D1), + DEF_MOD("msi0", 618, R8A779A0_CLK_MSO), + DEF_MOD("msi1", 619, R8A779A0_CLK_MSO), + DEF_MOD("msi2", 620, R8A779A0_CLK_MSO), + DEF_MOD("msi3", 621, R8A779A0_CLK_MSO), + DEF_MOD("msi4", 622, R8A779A0_CLK_MSO), + DEF_MOD("msi5", 623, R8A779A0_CLK_MSO), + DEF_MOD("pwm0", 628, R8A779A0_CLK_S1D8), + DEF_MOD("rpc-if", 629, R8A779A0_CLK_RPCD2), + DEF_MOD("scif0", 702, R8A779A0_CLK_S1D8), + DEF_MOD("scif1", 703, R8A779A0_CLK_S1D8), + DEF_MOD("scif3", 704, R8A779A0_CLK_S1D8), + DEF_MOD("scif4", 705, R8A779A0_CLK_S1D8), + DEF_MOD("sdhi0", 706, R8A779A0_CLK_SD0), + DEF_MOD("sys-dmac1", 709, R8A779A0_CLK_S1D2), + DEF_MOD("sys-dmac2", 710, R8A779A0_CLK_S1D2), + DEF_MOD("tmu0", 713, R8A779A0_CLK_CL16MCK), + DEF_MOD("tmu1", 714, R8A779A0_CLK_S1D4), + DEF_MOD("tmu2", 715, R8A779A0_CLK_S1D4), + DEF_MOD("tmu3", 716, R8A779A0_CLK_S1D4), + DEF_MOD("tmu4", 717, R8A779A0_CLK_S1D4), + DEF_MOD("tpu0", 718, R8A779A0_CLK_S1D8), + DEF_MOD("vin00", 730, R8A779A0_CLK_S1D1), + DEF_MOD("vin01", 731, R8A779A0_CLK_S1D1), + DEF_MOD("vin02", 800, R8A779A0_CLK_S1D1), + DEF_MOD("vin03", 801, R8A779A0_CLK_S1D1), + DEF_MOD("vin04", 802, R8A779A0_CLK_S1D1), + DEF_MOD("vin05", 803, R8A779A0_CLK_S1D1), + DEF_MOD("vin06", 804, R8A779A0_CLK_S1D1), + DEF_MOD("vin07", 805, R8A779A0_CLK_S1D1), + DEF_MOD("vin10", 806, R8A779A0_CLK_S1D1), + DEF_MOD("vin11", 807, R8A779A0_CLK_S1D1), + DEF_MOD("vin12", 808, R8A779A0_CLK_S1D1), + DEF_MOD("vin13", 809, R8A779A0_CLK_S1D1), + DEF_MOD("vin14", 810, R8A779A0_CLK_S1D1), + DEF_MOD("vin15", 811, R8A779A0_CLK_S1D1), + DEF_MOD("vin16", 812, R8A779A0_CLK_S1D1), + DEF_MOD("vin17", 813, R8A779A0_CLK_S1D1), + DEF_MOD("vin20", 814, R8A779A0_CLK_S1D1), + DEF_MOD("vin21", 815, R8A779A0_CLK_S1D1), + DEF_MOD("vin22", 816, R8A779A0_CLK_S1D1), + DEF_MOD("vin23", 817, R8A779A0_CLK_S1D1), + DEF_MOD("vin24", 818, R8A779A0_CLK_S1D1), + DEF_MOD("vin25", 819, R8A779A0_CLK_S1D1), + DEF_MOD("vin26", 820, R8A779A0_CLK_S1D1), + DEF_MOD("vin27", 821, R8A779A0_CLK_S1D1), + DEF_MOD("vin30", 822, R8A779A0_CLK_S1D1), + DEF_MOD("vin31", 823, R8A779A0_CLK_S1D1), + DEF_MOD("vin32", 824, R8A779A0_CLK_S1D1), + DEF_MOD("vin33", 825, R8A779A0_CLK_S1D1), + DEF_MOD("vin34", 826, R8A779A0_CLK_S1D1), + DEF_MOD("vin35", 827, R8A779A0_CLK_S1D1), + DEF_MOD("vin36", 828, R8A779A0_CLK_S1D1), + DEF_MOD("vin37", 829, R8A779A0_CLK_S1D1), + DEF_MOD("vspd0", 830, R8A779A0_CLK_S3D1), + DEF_MOD("vspd1", 831, R8A779A0_CLK_S3D1), + DEF_MOD("rwdt", 907, R8A779A0_CLK_R), + DEF_MOD("cmt0", 910, R8A779A0_CLK_R), + DEF_MOD("cmt1", 911, R8A779A0_CLK_R), + DEF_MOD("cmt2", 912, R8A779A0_CLK_R), + DEF_MOD("cmt3", 913, R8A779A0_CLK_R), + DEF_MOD("pfc0", 915, R8A779A0_CLK_CP), + DEF_MOD("pfc1", 916, R8A779A0_CLK_CP), + DEF_MOD("pfc2", 917, R8A779A0_CLK_CP), + DEF_MOD("pfc3", 918, R8A779A0_CLK_CP), + DEF_MOD("tsc", 919, R8A779A0_CLK_CL16MCK), + DEF_MOD("vspx0", 1028, R8A779A0_CLK_S1D1), + DEF_MOD("vspx1", 1029, R8A779A0_CLK_S1D1), + DEF_MOD("vspx2", 1030, R8A779A0_CLK_S1D1), + DEF_MOD("vspx3", 1031, R8A779A0_CLK_S1D1), + DEF_MOD("fcpvx0", 1100, R8A779A0_CLK_S1D1), + DEF_MOD("fcpvx1", 1101, R8A779A0_CLK_S1D1), + DEF_MOD("fcpvx2", 1102, R8A779A0_CLK_S1D1), + DEF_MOD("fcpvx3", 1103, R8A779A0_CLK_S1D1), +}; + +static const unsigned int r8a779a0_crit_mod_clks[] __initconst = { + MOD_CLK_ID(907), /* RWDT */ +}; + +/* + * CPG Clock Data + */ +/* + * MD EXTAL PLL1 PLL20 PLL30 PLL4 PLL5 OSC + * 14 13 (MHz) 21 31 + * ---------------------------------------------------------------- + * 0 0 16.66 x 1 x128 x216 x128 x144 x192 /16 + * 0 1 20 x 1 x106 x180 x106 x120 x160 /19 + * 1 0 Prohibited setting + * 1 1 33.33 / 2 x128 x216 x128 x144 x192 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) +static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] __initconst = { + /* EXTAL div PLL1 mult/div PLL5 mult/div OSC prediv */ + { 1, 128, 1, 192, 1, 16, }, + { 1, 106, 1, 160, 1, 19, }, + { 0, 0, 0, 0, 0, 0, }, + { 2, 128, 1, 192, 1, 32, }, +}; + +static int __init r8a779a0_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen4_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a779a0_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a779a0_core_clks, + .num_core_clks = ARRAY_SIZE(r8a779a0_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a779a0_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a779a0_mod_clks), + .num_hw_mod_clks = 15 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a779a0_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a779a0_crit_mod_clks), + + /* Callbacks */ + .init = r8a779a0_cpg_mssr_init, + .cpg_clk_register = rcar_gen4_cpg_clk_register, + + .reg_layout = CLK_REG_LAYOUT_RCAR_GEN4, +}; diff --git a/drivers/clk/renesas/r8a779f0-cpg-mssr.c b/drivers/clk/renesas/r8a779f0-cpg-mssr.c new file mode 100644 index 000000000..f33342314 --- /dev/null +++ b/drivers/clk/renesas/r8a779f0-cpg-mssr.c @@ -0,0 +1,238 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a779f0 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2021 Renesas Electronics Corp. + * + * Based on r8a779a0-cpg-mssr.c + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a779f0-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen4-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A779F0_CLK_R, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL5, + CLK_PLL6, + CLK_PLL1_DIV2, + CLK_PLL2_DIV2, + CLK_PLL3_DIV2, + CLK_PLL5_DIV2, + CLK_PLL5_DIV4, + CLK_PLL6_DIV2, + CLK_S0, + CLK_SASYNCPER, + CLK_SDSRC, + CLK_RPCSRC, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a779f0_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN4_MAIN, CLK_EXTAL), + DEF_GEN4_PLL_F9_24(".pll1", 1, CLK_PLL1, CLK_MAIN), + DEF_GEN4_PLL_V9_24(".pll2", 2, CLK_PLL2, CLK_MAIN), + DEF_GEN4_PLL_V9_24(".pll3", 3, CLK_PLL3, CLK_MAIN), + DEF_BASE(".pll5", CLK_PLL5, CLK_TYPE_GEN4_PLL5, CLK_MAIN), + DEF_GEN4_PLL_V9_24(".pll6", 6, CLK_PLL6, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 2, 1), + DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 2, 1), + DEF_FIXED(".pll5_div2", CLK_PLL5_DIV2, CLK_PLL5, 2, 1), + DEF_FIXED(".pll5_div4", CLK_PLL5_DIV4, CLK_PLL5_DIV2, 2, 1), + DEF_FIXED(".pll6_div2", CLK_PLL6_DIV2, CLK_PLL6, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + + DEF_FIXED(".sasyncper", CLK_SASYNCPER, CLK_PLL5_DIV4, 3, 1), + DEF_BASE(".sdsrc", CLK_SDSRC, CLK_TYPE_GEN4_SDSRC, CLK_PLL5), + DEF_RATE(".oco", CLK_OCO, 32768), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN4_RPCSRC, CLK_PLL5), + + /* Core Clock Outputs */ + DEF_GEN4_Z("z0", R8A779F0_CLK_Z0, CLK_TYPE_GEN4_Z, CLK_PLL2, 2, 0), + DEF_GEN4_Z("z1", R8A779F0_CLK_Z1, CLK_TYPE_GEN4_Z, CLK_PLL2, 2, 8), + DEF_FIXED("s0d2", R8A779F0_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A779F0_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A779F0_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("cl16m", R8A779F0_CLK_CL16M, CLK_S0, 48, 1), + DEF_FIXED("s0d2_mm", R8A779F0_CLK_S0D2_MM, CLK_S0, 2, 1), + DEF_FIXED("s0d3_mm", R8A779F0_CLK_S0D3_MM, CLK_S0, 3, 1), + DEF_FIXED("s0d4_mm", R8A779F0_CLK_S0D4_MM, CLK_S0, 4, 1), + DEF_FIXED("cl16m_mm", R8A779F0_CLK_CL16M_MM, CLK_S0, 48, 1), + DEF_FIXED("s0d2_rt", R8A779F0_CLK_S0D2_RT, CLK_S0, 2, 1), + DEF_FIXED("s0d3_rt", R8A779F0_CLK_S0D3_RT, CLK_S0, 3, 1), + DEF_FIXED("s0d4_rt", R8A779F0_CLK_S0D4_RT, CLK_S0, 4, 1), + DEF_FIXED("s0d6_rt", R8A779F0_CLK_S0D6_RT, CLK_S0, 6, 1), + DEF_FIXED("cl16m_rt", R8A779F0_CLK_CL16M_RT, CLK_S0, 48, 1), + DEF_FIXED("s0d3_per", R8A779F0_CLK_S0D3_PER, CLK_S0, 3, 1), + DEF_FIXED("s0d6_per", R8A779F0_CLK_S0D6_PER, CLK_S0, 6, 1), + DEF_FIXED("s0d12_per", R8A779F0_CLK_S0D12_PER, CLK_S0, 12, 1), + DEF_FIXED("s0d24_per", R8A779F0_CLK_S0D24_PER, CLK_S0, 24, 1), + DEF_FIXED("cl16m_per", R8A779F0_CLK_CL16M_PER, CLK_S0, 48, 1), + DEF_FIXED("s0d2_hsc", R8A779F0_CLK_S0D2_HSC, CLK_S0, 2, 1), + DEF_FIXED("s0d3_hsc", R8A779F0_CLK_S0D3_HSC, CLK_S0, 3, 1), + DEF_FIXED("s0d4_hsc", R8A779F0_CLK_S0D4_HSC, CLK_S0, 4, 1), + DEF_FIXED("s0d6_hsc", R8A779F0_CLK_S0D6_HSC, CLK_S0, 6, 1), + DEF_FIXED("s0d12_hsc", R8A779F0_CLK_S0D12_HSC, CLK_S0, 12, 1), + DEF_FIXED("cl16m_hsc", R8A779F0_CLK_CL16M_HSC, CLK_S0, 48, 1), + DEF_FIXED("s0d2_cc", R8A779F0_CLK_S0D2_CC, CLK_S0, 2, 1), + DEF_FIXED("rsw2", R8A779F0_CLK_RSW2, CLK_PLL5_DIV2, 5, 1), + DEF_FIXED("cbfusa", R8A779F0_CLK_CBFUSA, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A779F0_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_FIXED("sasyncrt", R8A779F0_CLK_SASYNCRT, CLK_PLL5_DIV4, 48, 1), + DEF_FIXED("sasyncperd1",R8A779F0_CLK_SASYNCPERD1, CLK_SASYNCPER,1, 1), + DEF_FIXED("sasyncperd2",R8A779F0_CLK_SASYNCPERD2, CLK_SASYNCPER,2, 1), + DEF_FIXED("sasyncperd4",R8A779F0_CLK_SASYNCPERD4, CLK_SASYNCPER,4, 1), + + DEF_GEN4_SDH("sd0h", R8A779F0_CLK_SD0H, CLK_SDSRC, CPG_SD0CKCR), + DEF_GEN4_SD("sd0", R8A779F0_CLK_SD0, R8A779F0_CLK_SD0H, CPG_SD0CKCR), + + DEF_BASE("rpc", R8A779F0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A779F0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2, R8A779F0_CLK_RPC), + + DEF_DIV6P1("mso", R8A779F0_CLK_MSO, CLK_PLL5_DIV4, CPG_MSOCKCR), + + DEF_GEN4_OSC("osc", R8A779F0_CLK_OSC, CLK_EXTAL, 8), + DEF_GEN4_MDSEL("r", R8A779F0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), +}; + +static const struct mssr_mod_clk r8a779f0_mod_clks[] __initconst = { + DEF_MOD("hscif0", 514, R8A779F0_CLK_SASYNCPERD1), + DEF_MOD("hscif1", 515, R8A779F0_CLK_SASYNCPERD1), + DEF_MOD("hscif2", 516, R8A779F0_CLK_SASYNCPERD1), + DEF_MOD("hscif3", 517, R8A779F0_CLK_SASYNCPERD1), + DEF_MOD("i2c0", 518, R8A779F0_CLK_S0D6_PER), + DEF_MOD("i2c1", 519, R8A779F0_CLK_S0D6_PER), + DEF_MOD("i2c2", 520, R8A779F0_CLK_S0D6_PER), + DEF_MOD("i2c3", 521, R8A779F0_CLK_S0D6_PER), + DEF_MOD("i2c4", 522, R8A779F0_CLK_S0D6_PER), + DEF_MOD("i2c5", 523, R8A779F0_CLK_S0D6_PER), + DEF_MOD("msiof0", 618, R8A779F0_CLK_MSO), + DEF_MOD("msiof1", 619, R8A779F0_CLK_MSO), + DEF_MOD("msiof2", 620, R8A779F0_CLK_MSO), + DEF_MOD("msiof3", 621, R8A779F0_CLK_MSO), + DEF_MOD("pcie0", 624, R8A779F0_CLK_S0D2), + DEF_MOD("pcie1", 625, R8A779F0_CLK_S0D2), + DEF_MOD("scif0", 702, R8A779F0_CLK_SASYNCPERD4), + DEF_MOD("scif1", 703, R8A779F0_CLK_SASYNCPERD4), + DEF_MOD("scif3", 704, R8A779F0_CLK_SASYNCPERD4), + DEF_MOD("scif4", 705, R8A779F0_CLK_SASYNCPERD4), + DEF_MOD("sdhi0", 706, R8A779F0_CLK_SD0), + DEF_MOD("sys-dmac0", 709, R8A779F0_CLK_S0D3_PER), + DEF_MOD("sys-dmac1", 710, R8A779F0_CLK_S0D3_PER), + DEF_MOD("tmu0", 713, R8A779F0_CLK_SASYNCRT), + DEF_MOD("tmu1", 714, R8A779F0_CLK_SASYNCPERD2), + DEF_MOD("tmu2", 715, R8A779F0_CLK_SASYNCPERD2), + DEF_MOD("tmu3", 716, R8A779F0_CLK_SASYNCPERD2), + DEF_MOD("tmu4", 717, R8A779F0_CLK_SASYNCPERD2), + DEF_MOD("wdt", 907, R8A779F0_CLK_R), + DEF_MOD("cmt0", 910, R8A779F0_CLK_R), + DEF_MOD("cmt1", 911, R8A779F0_CLK_R), + DEF_MOD("cmt2", 912, R8A779F0_CLK_R), + DEF_MOD("cmt3", 913, R8A779F0_CLK_R), + DEF_MOD("pfc0", 915, R8A779F0_CLK_CPEX), + DEF_MOD("tsc", 919, R8A779F0_CLK_CL16M), + DEF_MOD("rswitch2", 1505, R8A779F0_CLK_RSW2), + DEF_MOD("ether-serdes", 1506, R8A779F0_CLK_S0D2_HSC), + DEF_MOD("ufs", 1514, R8A779F0_CLK_S0D4_HSC), +}; + +static const unsigned int r8a779f0_crit_mod_clks[] __initconst = { + MOD_CLK_ID(907), /* WDT */ +}; + +/* + * CPG Clock Data + */ +/* + * MD EXTAL PLL1 PLL2 PLL3 PLL4 PLL5 PLL6 OSC + * 14 13 (MHz) + * ------------------------------------------------------------------------ + * 0 0 16 / 1 x200 x150 x200 n/a x200 x134 /15 + * 0 1 20 / 1 x160 x120 x160 n/a x160 x106 /19 + * 1 0 Prohibited setting + * 1 1 40 / 2 x160 x120 x160 n/a x160 x106 /38 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) + +static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] __initconst = { + /* EXTAL div PLL1 mult/div PLL5 mult/div OSC prediv */ + { 1, 200, 1, 200, 1, 15, }, + { 1, 160, 1, 160, 1, 19, }, + { 0, 0, 0, 0, 0, 0, }, + { 2, 160, 1, 160, 1, 38, }, +}; + +static int __init r8a779f0_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen4_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a779f0_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a779f0_core_clks, + .num_core_clks = ARRAY_SIZE(r8a779f0_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a779f0_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a779f0_mod_clks), + .num_hw_mod_clks = 28 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a779f0_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a779f0_crit_mod_clks), + + /* Callbacks */ + .init = r8a779f0_cpg_mssr_init, + .cpg_clk_register = rcar_gen4_cpg_clk_register, + + .reg_layout = CLK_REG_LAYOUT_RCAR_GEN4, +}; diff --git a/drivers/clk/renesas/r8a779g0-cpg-mssr.c b/drivers/clk/renesas/r8a779g0-cpg-mssr.c new file mode 100644 index 000000000..54ba76ff5 --- /dev/null +++ b/drivers/clk/renesas/r8a779g0-cpg-mssr.c @@ -0,0 +1,312 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a779g0 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2022 Renesas Electronics Corp. + * + * Based on r8a779f0-cpg-mssr.c + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a779g0-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen4-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A779G0_CLK_CP, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL4, + CLK_PLL5, + CLK_PLL6, + CLK_PLL1_DIV2, + CLK_PLL2_DIV2, + CLK_PLL3_DIV2, + CLK_PLL4_DIV2, + CLK_PLL5_DIV2, + CLK_PLL5_DIV4, + CLK_PLL6_DIV2, + CLK_S0, + CLK_S0_VIO, + CLK_S0_VC, + CLK_S0_HSC, + CLK_SASYNCPER, + CLK_SV_VIP, + CLK_SV_IR, + CLK_SDSRC, + CLK_RPCSRC, + CLK_VIO, + CLK_VC, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a779g0_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN4_MAIN, CLK_EXTAL), + DEF_GEN4_PLL_F8_25(".pll1", 1, CLK_PLL1, CLK_MAIN), + DEF_GEN4_PLL_V8_25(".pll2", 2, CLK_PLL2, CLK_MAIN), + DEF_GEN4_PLL_V8_25(".pll3", 3, CLK_PLL3, CLK_MAIN), + DEF_GEN4_PLL_V8_25(".pll4", 4, CLK_PLL4, CLK_MAIN), + DEF_BASE(".pll5", CLK_PLL5, CLK_TYPE_GEN4_PLL5, CLK_MAIN), + DEF_GEN4_PLL_V8_25(".pll6", 6, CLK_PLL6, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 2, 1), + DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 2, 1), + DEF_FIXED(".pll4_div2", CLK_PLL4_DIV2, CLK_PLL4, 2, 1), + DEF_FIXED(".pll5_div2", CLK_PLL5_DIV2, CLK_PLL5, 2, 1), + DEF_FIXED(".pll5_div4", CLK_PLL5_DIV4, CLK_PLL5_DIV2, 2, 1), + DEF_FIXED(".pll6_div2", CLK_PLL6_DIV2, CLK_PLL6, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_vio", CLK_S0_VIO, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_vc", CLK_S0_VC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_hsc", CLK_S0_HSC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".sasyncper", CLK_SASYNCPER, CLK_PLL5_DIV4, 3, 1), + DEF_FIXED(".sv_vip", CLK_SV_VIP, CLK_PLL1, 5, 1), + DEF_FIXED(".sv_ir", CLK_SV_IR, CLK_PLL1, 5, 1), + DEF_BASE(".sdsrc", CLK_SDSRC, CLK_TYPE_GEN4_SDSRC, CLK_PLL5), + DEF_RATE(".oco", CLK_OCO, 32768), + + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN4_RPCSRC, CLK_PLL5), + DEF_FIXED(".vio", CLK_VIO, CLK_PLL5_DIV2, 3, 1), + DEF_FIXED(".vc", CLK_VC, CLK_PLL5_DIV2, 3, 1), + + /* Core Clock Outputs */ + DEF_GEN4_Z("z0", R8A779G0_CLK_Z0, CLK_TYPE_GEN4_Z, CLK_PLL2, 2, 0), + DEF_FIXED("s0d2", R8A779G0_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A779G0_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A779G0_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("cl16m", R8A779G0_CLK_CL16M, CLK_S0, 48, 1), + DEF_FIXED("s0d1_vio", R8A779G0_CLK_S0D1_VIO, CLK_S0_VIO, 1, 1), + DEF_FIXED("s0d2_vio", R8A779G0_CLK_S0D2_VIO, CLK_S0_VIO, 2, 1), + DEF_FIXED("s0d4_vio", R8A779G0_CLK_S0D4_VIO, CLK_S0_VIO, 4, 1), + DEF_FIXED("s0d8_vio", R8A779G0_CLK_S0D8_VIO, CLK_S0_VIO, 8, 1), + DEF_FIXED("s0d1_vc", R8A779G0_CLK_S0D1_VC, CLK_S0_VC, 1, 1), + DEF_FIXED("s0d2_vc", R8A779G0_CLK_S0D2_VC, CLK_S0_VC, 2, 1), + DEF_FIXED("s0d4_vc", R8A779G0_CLK_S0D4_VC, CLK_S0_VC, 4, 1), + DEF_FIXED("s0d2_mm", R8A779G0_CLK_S0D2_MM, CLK_S0, 2, 1), + DEF_FIXED("s0d4_mm", R8A779G0_CLK_S0D4_MM, CLK_S0, 4, 1), + DEF_FIXED("cl16m_mm", R8A779G0_CLK_CL16M_MM, CLK_S0, 48, 1), + DEF_FIXED("s0d2_u3dg", R8A779G0_CLK_S0D2_U3DG, CLK_S0, 2, 1), + DEF_FIXED("s0d4_u3dg", R8A779G0_CLK_S0D4_U3DG, CLK_S0, 4, 1), + DEF_FIXED("s0d2_rt", R8A779G0_CLK_S0D2_RT, CLK_S0, 2, 1), + DEF_FIXED("s0d3_rt", R8A779G0_CLK_S0D3_RT, CLK_S0, 3, 1), + DEF_FIXED("s0d4_rt", R8A779G0_CLK_S0D4_RT, CLK_S0, 4, 1), + DEF_FIXED("s0d6_rt", R8A779G0_CLK_S0D6_RT, CLK_S0, 6, 1), + DEF_FIXED("s0d24_rt", R8A779G0_CLK_S0D24_RT, CLK_S0, 24, 1), + DEF_FIXED("cl16m_rt", R8A779G0_CLK_CL16M_RT, CLK_S0, 48, 1), + DEF_FIXED("s0d2_per", R8A779G0_CLK_S0D2_PER, CLK_S0, 2, 1), + DEF_FIXED("s0d3_per", R8A779G0_CLK_S0D3_PER, CLK_S0, 3, 1), + DEF_FIXED("s0d4_per", R8A779G0_CLK_S0D4_PER, CLK_S0, 4, 1), + DEF_FIXED("s0d6_per", R8A779G0_CLK_S0D6_PER, CLK_S0, 6, 1), + DEF_FIXED("s0d12_per", R8A779G0_CLK_S0D12_PER, CLK_S0, 12, 1), + DEF_FIXED("s0d24_per", R8A779G0_CLK_S0D24_PER, CLK_S0, 24, 1), + DEF_FIXED("cl16m_per", R8A779G0_CLK_CL16M_PER, CLK_S0, 48, 1), + DEF_FIXED("s0d1_hsc", R8A779G0_CLK_S0D1_HSC, CLK_S0_HSC, 1, 1), + DEF_FIXED("s0d2_hsc", R8A779G0_CLK_S0D2_HSC, CLK_S0_HSC, 2, 1), + DEF_FIXED("s0d4_hsc", R8A779G0_CLK_S0D4_HSC, CLK_S0_HSC, 4, 1), + DEF_FIXED("cl16m_hsc", R8A779G0_CLK_CL16M_HSC, CLK_S0_HSC, 48, 1), + DEF_FIXED("s0d2_cc", R8A779G0_CLK_S0D2_CC, CLK_S0, 2, 1), + DEF_FIXED("sasyncrt", R8A779G0_CLK_SASYNCRT, CLK_PLL5_DIV4, 48, 1), + DEF_FIXED("sasyncperd1",R8A779G0_CLK_SASYNCPERD1, CLK_SASYNCPER,1, 1), + DEF_FIXED("sasyncperd2",R8A779G0_CLK_SASYNCPERD2, CLK_SASYNCPER,2, 1), + DEF_FIXED("sasyncperd4",R8A779G0_CLK_SASYNCPERD4, CLK_SASYNCPER,4, 1), + DEF_FIXED("svd1_ir", R8A779G0_CLK_SVD1_IR, CLK_SV_IR, 1, 1), + DEF_FIXED("svd2_ir", R8A779G0_CLK_SVD2_IR, CLK_SV_IR, 2, 1), + DEF_FIXED("svd1_vip", R8A779G0_CLK_SVD1_VIP, CLK_SV_VIP, 1, 1), + DEF_FIXED("svd2_vip", R8A779G0_CLK_SVD2_VIP, CLK_SV_VIP, 2, 1), + DEF_FIXED("cbfusa", R8A779G0_CLK_CBFUSA, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A779G0_CLK_CPEX, CLK_EXTAL, 2, 1), + DEF_FIXED("cp", R8A779G0_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("viobus", R8A779G0_CLK_VIOBUS, CLK_VIO, 1, 1), + DEF_FIXED("viobusd2", R8A779G0_CLK_VIOBUSD2, CLK_VIO, 2, 1), + DEF_FIXED("vcbus", R8A779G0_CLK_VCBUS, CLK_VC, 1, 1), + DEF_FIXED("vcbusd2", R8A779G0_CLK_VCBUSD2, CLK_VC, 2, 1), + DEF_DIV6P1("canfd", R8A779G0_CLK_CANFD, CLK_PLL5_DIV4, CPG_CANFDCKCR), + DEF_DIV6P1("csi", R8A779G0_CLK_CSI, CLK_PLL5_DIV4, CPG_CSICKCR), + DEF_FIXED("dsiref", R8A779G0_CLK_DSIREF, CLK_PLL5_DIV4, 48, 1), + DEF_DIV6P1("dsiext", R8A779G0_CLK_DSIEXT, CLK_PLL5_DIV4, CPG_DSIEXTCKCR), + + DEF_GEN4_SDH("sd0h", R8A779G0_CLK_SD0H, CLK_SDSRC, CPG_SD0CKCR), + DEF_GEN4_SD("sd0", R8A779G0_CLK_SD0, R8A779G0_CLK_SD0H, CPG_SD0CKCR), + DEF_DIV6P1("mso", R8A779G0_CLK_MSO, CLK_PLL5_DIV4, CPG_MSOCKCR), + + DEF_BASE("rpc", R8A779G0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A779G0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2, R8A779G0_CLK_RPC), + + DEF_GEN4_OSC("osc", R8A779G0_CLK_OSC, CLK_EXTAL, 8), + DEF_GEN4_MDSEL("r", R8A779G0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), +}; + +static const struct mssr_mod_clk r8a779g0_mod_clks[] __initconst = { + DEF_MOD("isp0", 16, R8A779G0_CLK_S0D2_VIO), + DEF_MOD("isp1", 17, R8A779G0_CLK_S0D2_VIO), + DEF_MOD("avb0", 211, R8A779G0_CLK_S0D4_HSC), + DEF_MOD("avb1", 212, R8A779G0_CLK_S0D4_HSC), + DEF_MOD("avb2", 213, R8A779G0_CLK_S0D4_HSC), + DEF_MOD("canfd0", 328, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("csi40", 331, R8A779G0_CLK_CSI), + DEF_MOD("csi41", 400, R8A779G0_CLK_CSI), + DEF_MOD("dis0", 411, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("dsitxlink0", 415, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("dsitxlink1", 416, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("fcpvd0", 508, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("fcpvd1", 509, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("hscif0", 514, R8A779G0_CLK_SASYNCPERD1), + DEF_MOD("hscif1", 515, R8A779G0_CLK_SASYNCPERD1), + DEF_MOD("hscif2", 516, R8A779G0_CLK_SASYNCPERD1), + DEF_MOD("hscif3", 517, R8A779G0_CLK_SASYNCPERD1), + DEF_MOD("i2c0", 518, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c1", 519, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c2", 520, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c3", 521, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c4", 522, R8A779G0_CLK_S0D6_PER), + DEF_MOD("i2c5", 523, R8A779G0_CLK_S0D6_PER), + DEF_MOD("irqc", 611, R8A779G0_CLK_CL16M), + DEF_MOD("ispcs0", 612, R8A779G0_CLK_S0D2_VIO), + DEF_MOD("ispcs1", 613, R8A779G0_CLK_S0D2_VIO), + DEF_MOD("msi0", 618, R8A779G0_CLK_MSO), + DEF_MOD("msi1", 619, R8A779G0_CLK_MSO), + DEF_MOD("msi2", 620, R8A779G0_CLK_MSO), + DEF_MOD("msi3", 621, R8A779G0_CLK_MSO), + DEF_MOD("msi4", 622, R8A779G0_CLK_MSO), + DEF_MOD("msi5", 623, R8A779G0_CLK_MSO), + DEF_MOD("pciec0", 624, R8A779G0_CLK_S0D2_HSC), + DEF_MOD("pciec1", 625, R8A779G0_CLK_S0D2_HSC), + DEF_MOD("pwm", 628, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("rpc-if", 629, R8A779G0_CLK_RPCD2), + DEF_MOD("scif0", 702, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("scif1", 703, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("scif3", 704, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("scif4", 705, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("sdhi", 706, R8A779G0_CLK_SD0), + DEF_MOD("sys-dmac0", 709, R8A779G0_CLK_S0D6_PER), + DEF_MOD("sys-dmac1", 710, R8A779G0_CLK_S0D6_PER), + DEF_MOD("tmu0", 713, R8A779G0_CLK_SASYNCRT), + DEF_MOD("tmu1", 714, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("tmu2", 715, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("tmu3", 716, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("tmu4", 717, R8A779G0_CLK_SASYNCPERD2), + DEF_MOD("tpu0", 718, R8A779G0_CLK_SASYNCPERD4), + DEF_MOD("vin00", 730, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin01", 731, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin02", 800, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin03", 801, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin04", 802, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin05", 803, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin06", 804, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin07", 805, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin10", 806, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin11", 807, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin12", 808, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin13", 809, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin14", 810, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin15", 811, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin16", 812, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vin17", 813, R8A779G0_CLK_S0D4_VIO), + DEF_MOD("vspd0", 830, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("vspd1", 831, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("wdt1:wdt0", 907, R8A779G0_CLK_R), + DEF_MOD("cmt0", 910, R8A779G0_CLK_R), + DEF_MOD("cmt1", 911, R8A779G0_CLK_R), + DEF_MOD("cmt2", 912, R8A779G0_CLK_R), + DEF_MOD("cmt3", 913, R8A779G0_CLK_R), + DEF_MOD("pfc0", 915, R8A779G0_CLK_CP), + DEF_MOD("pfc1", 916, R8A779G0_CLK_CP), + DEF_MOD("pfc2", 917, R8A779G0_CLK_CP), + DEF_MOD("pfc3", 918, R8A779G0_CLK_CP), + DEF_MOD("tsc", 919, R8A779G0_CLK_CL16M), + DEF_MOD("vspx0", 1028, R8A779G0_CLK_S0D1_VIO), + DEF_MOD("vspx1", 1029, R8A779G0_CLK_S0D1_VIO), + DEF_MOD("fcpvx0", 1100, R8A779G0_CLK_S0D1_VIO), + DEF_MOD("fcpvx1", 1101, R8A779G0_CLK_S0D1_VIO), + DEF_MOD("tsn", 2723, R8A779G0_CLK_S0D4_HSC), + DEF_MOD("dsc", 2819, R8A779G0_CLK_VIOBUSD2), + DEF_MOD("ssiu", 2926, R8A779G0_CLK_S0D6_PER), + DEF_MOD("ssi", 2927, R8A779G0_CLK_S0D6_PER), +}; + +/* + * CPG Clock Data + */ +/* + * MD EXTAL PLL1 PLL2 PLL3 PLL4 PLL5 PLL6 OSC + * 14 13 (MHz) + * ------------------------------------------------------------------------ + * 0 0 16.66 / 1 x192 x204 x192 x144 x192 x168 /16 + * 0 1 20 / 1 x160 x170 x160 x120 x160 x140 /19 + * 1 0 Prohibited setting + * 1 1 33.33 / 2 x192 x204 x192 x144 x192 x168 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) + +static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] __initconst = { + /* EXTAL div PLL1 mult/div PLL5 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 0, 0, 0, 0, 0, 0, }, + { 2, 192, 1, 192, 1, 32, }, +}; + +static int __init r8a779g0_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen4_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a779g0_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a779g0_core_clks, + .num_core_clks = ARRAY_SIZE(r8a779g0_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a779g0_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a779g0_mod_clks), + .num_hw_mod_clks = 30 * 32, + + /* Callbacks */ + .init = r8a779g0_cpg_mssr_init, + .cpg_clk_register = rcar_gen4_cpg_clk_register, + + .reg_layout = CLK_REG_LAYOUT_RCAR_GEN4, +}; diff --git a/drivers/clk/renesas/r8a779h0-cpg-mssr.c b/drivers/clk/renesas/r8a779h0-cpg-mssr.c new file mode 100644 index 000000000..ffea06d77 --- /dev/null +++ b/drivers/clk/renesas/r8a779h0-cpg-mssr.c @@ -0,0 +1,307 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a779h0 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2023 Renesas Electronics Corp. + * + * Based on r8a779g0-cpg-mssr.c + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/renesas,r8a779h0-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen4-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A779H0_CLK_R, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL4, + CLK_PLL5, + CLK_PLL6, + CLK_PLL1_DIV2, + CLK_PLL3_DIV2, + CLK_PLL4_DIV2, + CLK_PLL4_DIV5, + CLK_PLL5_DIV2, + CLK_PLL5_DIV4, + CLK_PLL6_DIV2, + CLK_S0, + CLK_S0_VIO, + CLK_S0_VC, + CLK_S0_HSC, + CLK_SASYNCPER, + CLK_SV_VIP, + CLK_SV_IR, + CLK_IMPASRC, + CLK_IMPBSRC, + CLK_VIOSRC, + CLK_VCSRC, + CLK_SDSRC, + CLK_RPCSRC, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a779h0_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN4_MAIN, CLK_EXTAL), + DEF_GEN4_PLL_F8_25(".pll1", 1, CLK_PLL1, CLK_MAIN), + DEF_GEN4_PLL_V8_25(".pll2", 2, CLK_PLL2, CLK_MAIN), + DEF_GEN4_PLL_V8_25(".pll3", 3, CLK_PLL3, CLK_MAIN), + DEF_GEN4_PLL_V8_25(".pll4", 4, CLK_PLL4, CLK_MAIN), + DEF_BASE(".pll5", CLK_PLL5, CLK_TYPE_GEN4_PLL5, CLK_MAIN), + DEF_GEN4_PLL_V8_25(".pll6", 6, CLK_PLL6, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 2, 1), + DEF_FIXED(".pll4_div2", CLK_PLL4_DIV2, CLK_PLL4, 2, 1), + DEF_FIXED(".pll4_div5", CLK_PLL4_DIV5, CLK_PLL4, 5, 1), + DEF_FIXED(".pll5_div2", CLK_PLL5_DIV2, CLK_PLL5, 2, 1), + DEF_FIXED(".pll5_div4", CLK_PLL5_DIV4, CLK_PLL5_DIV2, 2, 1), + DEF_FIXED(".pll6_div2", CLK_PLL6_DIV2, CLK_PLL6, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_vio", CLK_S0_VIO, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_vc", CLK_S0_VC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0_hsc", CLK_S0_HSC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".sasyncper", CLK_SASYNCPER, CLK_PLL5_DIV4, 3, 1), + DEF_FIXED(".sv_vip", CLK_SV_VIP, CLK_PLL1, 5, 1), + DEF_FIXED(".sv_ir", CLK_SV_IR, CLK_PLL1, 5, 1), + DEF_FIXED(".impasrc", CLK_IMPASRC, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".impbsrc", CLK_IMPBSRC, CLK_PLL1, 4, 1), + DEF_FIXED(".viosrc", CLK_VIOSRC, CLK_PLL1, 6, 1), + DEF_FIXED(".vcsrc", CLK_VCSRC, CLK_PLL1, 6, 1), + DEF_BASE(".sdsrc", CLK_SDSRC, CLK_TYPE_GEN4_SDSRC, CLK_PLL5), + DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN4_RPCSRC, CLK_PLL5), + DEF_RATE(".oco", CLK_OCO, 32768), + + /* Core Clock Outputs */ + DEF_GEN4_Z("zc0", R8A779H0_CLK_ZC0, CLK_TYPE_GEN4_Z, CLK_PLL2, 4, 0), + DEF_GEN4_Z("zc1", R8A779H0_CLK_ZC1, CLK_TYPE_GEN4_Z, CLK_PLL2, 4, 8), + DEF_GEN4_Z("zc2", R8A779H0_CLK_ZC2, CLK_TYPE_GEN4_Z, CLK_PLL2, 4, 32), + DEF_GEN4_Z("zc3", R8A779H0_CLK_ZC3, CLK_TYPE_GEN4_Z, CLK_PLL2, 4, 40), + DEF_FIXED("s0d2", R8A779H0_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A779H0_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A779H0_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("cl16m", R8A779H0_CLK_CL16M, CLK_S0, 48, 1), + DEF_FIXED("s0d2_rt", R8A779H0_CLK_S0D2_RT, CLK_S0, 2, 1), + DEF_FIXED("s0d3_rt", R8A779H0_CLK_S0D3_RT, CLK_S0, 3, 1), + DEF_FIXED("s0d4_rt", R8A779H0_CLK_S0D4_RT, CLK_S0, 4, 1), + DEF_FIXED("s0d6_rt", R8A779H0_CLK_S0D6_RT, CLK_S0, 6, 1), + DEF_FIXED("cl16m_rt", R8A779H0_CLK_CL16M_RT, CLK_S0, 48, 1), + DEF_FIXED("s0d2_per", R8A779H0_CLK_S0D2_PER, CLK_S0, 2, 1), + DEF_FIXED("s0d3_per", R8A779H0_CLK_S0D3_PER, CLK_S0, 3, 1), + DEF_FIXED("s0d4_per", R8A779H0_CLK_S0D4_PER, CLK_S0, 4, 1), + DEF_FIXED("s0d6_per", R8A779H0_CLK_S0D6_PER, CLK_S0, 6, 1), + DEF_FIXED("s0d12_per", R8A779H0_CLK_S0D12_PER, CLK_S0, 12, 1), + DEF_FIXED("s0d24_per", R8A779H0_CLK_S0D24_PER, CLK_S0, 24, 1), + DEF_FIXED("cl16m_per", R8A779H0_CLK_CL16M_PER, CLK_S0, 48, 1), + DEF_FIXED("s0d2_mm", R8A779H0_CLK_S0D2_MM, CLK_S0, 2, 1), + DEF_FIXED("s0d4_mm", R8A779H0_CLK_S0D4_MM, CLK_S0, 4, 1), + DEF_FIXED("cl16m_mm", R8A779H0_CLK_CL16M_MM, CLK_S0, 48, 1), + DEF_FIXED("s0d2_u3dg", R8A779H0_CLK_S0D2_U3DG, CLK_S0, 2, 1), + DEF_FIXED("s0d4_u3dg", R8A779H0_CLK_S0D4_U3DG, CLK_S0, 4, 1), + DEF_FIXED("s0d1_vio", R8A779H0_CLK_S0D1_VIO, CLK_S0_VIO, 1, 1), + DEF_FIXED("s0d2_vio", R8A779H0_CLK_S0D2_VIO, CLK_S0_VIO, 2, 1), + DEF_FIXED("s0d4_vio", R8A779H0_CLK_S0D4_VIO, CLK_S0_VIO, 4, 1), + DEF_FIXED("s0d8_vio", R8A779H0_CLK_S0D8_VIO, CLK_S0_VIO, 8, 1), + DEF_FIXED("s0d1_vc", R8A779H0_CLK_S0D1_VC, CLK_S0_VC, 1, 1), + DEF_FIXED("s0d2_vc", R8A779H0_CLK_S0D2_VC, CLK_S0_VC, 2, 1), + DEF_FIXED("s0d4_vc", R8A779H0_CLK_S0D4_VC, CLK_S0_VC, 4, 1), + DEF_FIXED("s0d1_hsc", R8A779H0_CLK_S0D1_HSC, CLK_S0_HSC, 1, 1), + DEF_FIXED("s0d2_hsc", R8A779H0_CLK_S0D2_HSC, CLK_S0_HSC, 2, 1), + DEF_FIXED("s0d4_hsc", R8A779H0_CLK_S0D4_HSC, CLK_S0_HSC, 4, 1), + DEF_FIXED("s0d8_hsc", R8A779H0_CLK_S0D8_HSC, CLK_S0_HSC, 8, 1), + DEF_FIXED("cl16m_hsc", R8A779H0_CLK_CL16M_HSC, CLK_S0_HSC, 48, 1), + DEF_FIXED("sasyncrt", R8A779H0_CLK_SASYNCRT, CLK_PLL5_DIV4, 48, 1), + DEF_FIXED("sasyncperd1", R8A779H0_CLK_SASYNCPERD1, CLK_SASYNCPER, 1, 1), + DEF_FIXED("sasyncperd2", R8A779H0_CLK_SASYNCPERD2, CLK_SASYNCPER, 2, 1), + DEF_FIXED("sasyncperd4", R8A779H0_CLK_SASYNCPERD4, CLK_SASYNCPER, 4, 1), + DEF_FIXED("svd1_vip", R8A779H0_CLK_SVD1_VIP, CLK_SV_VIP, 1, 1), + DEF_FIXED("svd2_vip", R8A779H0_CLK_SVD2_VIP, CLK_SV_VIP, 2, 1), + DEF_FIXED("svd1_ir", R8A779H0_CLK_SVD1_IR, CLK_SV_IR, 1, 1), + DEF_FIXED("svd2_ir", R8A779H0_CLK_SVD2_IR, CLK_SV_IR, 2, 1), + DEF_FIXED("cbfusa", R8A779H0_CLK_CBFUSA, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A779H0_CLK_CPEX, CLK_EXTAL, 2, 1), + DEF_FIXED("cp", R8A779H0_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("impad1", R8A779H0_CLK_IMPAD1, CLK_IMPASRC, 1, 1), + DEF_FIXED("impad4", R8A779H0_CLK_IMPAD4, CLK_IMPASRC, 4, 1), + DEF_FIXED("impb", R8A779H0_CLK_IMPB, CLK_IMPBSRC, 1, 1), + DEF_FIXED("viobusd1", R8A779H0_CLK_VIOBUSD1, CLK_VIOSRC, 1, 1), + DEF_FIXED("viobusd2", R8A779H0_CLK_VIOBUSD2, CLK_VIOSRC, 2, 1), + DEF_FIXED("vcbusd1", R8A779H0_CLK_VCBUSD1, CLK_VCSRC, 1, 1), + DEF_FIXED("vcbusd2", R8A779H0_CLK_VCBUSD2, CLK_VCSRC, 2, 1), + DEF_DIV6P1("canfd", R8A779H0_CLK_CANFD, CLK_PLL5_DIV4, CPG_CANFDCKCR), + DEF_DIV6P1("csi", R8A779H0_CLK_CSI, CLK_PLL5_DIV4, CPG_CSICKCR), + DEF_FIXED("dsiref", R8A779H0_CLK_DSIREF, CLK_PLL5_DIV4, 48, 1), + DEF_DIV6P1("dsiext", R8A779H0_CLK_DSIEXT, CLK_PLL5_DIV4, CPG_DSIEXTCKCR), + DEF_DIV6P1("mso", R8A779H0_CLK_MSO, CLK_PLL5_DIV4, CPG_MSOCKCR), + + DEF_GEN4_SDH("sd0h", R8A779H0_CLK_SD0H, CLK_SDSRC, CPG_SD0CKCR), + DEF_GEN4_SD("sd0", R8A779H0_CLK_SD0, R8A779H0_CLK_SD0H, CPG_SD0CKCR), + + DEF_BASE("rpc", R8A779H0_CLK_RPC, CLK_TYPE_GEN4_RPC, CLK_RPCSRC), + DEF_BASE("rpcd2", R8A779H0_CLK_RPCD2, CLK_TYPE_GEN4_RPCD2, R8A779H0_CLK_RPC), + + DEF_GEN4_OSC("osc", R8A779H0_CLK_OSC, CLK_EXTAL, 8), + DEF_GEN4_MDSEL("r", R8A779H0_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), +}; + +static const struct mssr_mod_clk r8a779h0_mod_clks[] __initconst = { + DEF_MOD("isp0", 16, R8A779H0_CLK_S0D2_VIO), + DEF_MOD("avb0:rgmii0", 211, R8A779H0_CLK_S0D8_HSC), + DEF_MOD("avb1:rgmii1", 212, R8A779H0_CLK_S0D8_HSC), + DEF_MOD("avb2:rgmii2", 213, R8A779H0_CLK_S0D8_HSC), + DEF_MOD("canfd0", 328, R8A779H0_CLK_SASYNCPERD2), + DEF_MOD("csi40", 331, R8A779H0_CLK_CSI), + DEF_MOD("csi41", 400, R8A779H0_CLK_CSI), + DEF_MOD("dis0", 411, R8A779H0_CLK_VIOBUSD2), + DEF_MOD("dsitxlink0", 415, R8A779H0_CLK_VIOBUSD2), + DEF_MOD("fcpvd0", 508, R8A779H0_CLK_VIOBUSD2), + DEF_MOD("hscif0", 514, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("hscif1", 515, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("hscif2", 516, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("hscif3", 517, R8A779H0_CLK_SASYNCPERD1), + DEF_MOD("i2c0", 518, R8A779H0_CLK_S0D6_PER), + DEF_MOD("i2c1", 519, R8A779H0_CLK_S0D6_PER), + DEF_MOD("i2c2", 520, R8A779H0_CLK_S0D6_PER), + DEF_MOD("i2c3", 521, R8A779H0_CLK_S0D6_PER), + DEF_MOD("irqc", 611, R8A779H0_CLK_CL16M), + DEF_MOD("ispcs0", 612, R8A779H0_CLK_S0D2_VIO), + DEF_MOD("ispcs1", 613, R8A779H0_CLK_S0D2_VIO), + DEF_MOD("msi0", 618, R8A779H0_CLK_MSO), + DEF_MOD("msi1", 619, R8A779H0_CLK_MSO), + DEF_MOD("msi2", 620, R8A779H0_CLK_MSO), + DEF_MOD("msi3", 621, R8A779H0_CLK_MSO), + DEF_MOD("msi4", 622, R8A779H0_CLK_MSO), + DEF_MOD("msi5", 623, R8A779H0_CLK_MSO), + DEF_MOD("pcie0", 624, R8A779H0_CLK_S0D2_HSC), + DEF_MOD("pwm", 628, R8A779H0_CLK_SASYNCPERD4), + DEF_MOD("rpc-if", 629, R8A779H0_CLK_RPCD2), + DEF_MOD("scif0", 702, R8A779H0_CLK_SASYNCPERD4), + DEF_MOD("scif1", 703, R8A779H0_CLK_SASYNCPERD4), + DEF_MOD("scif3", 704, R8A779H0_CLK_SASYNCPERD4), + DEF_MOD("scif4", 705, R8A779H0_CLK_SASYNCPERD4), + DEF_MOD("sdhi0", 706, R8A779H0_CLK_SD0), + DEF_MOD("sydm1", 709, R8A779H0_CLK_S0D6_PER), + DEF_MOD("sydm2", 710, R8A779H0_CLK_S0D6_PER), + DEF_MOD("tmu0", 713, R8A779H0_CLK_SASYNCRT), + DEF_MOD("tmu1", 714, R8A779H0_CLK_SASYNCPERD2), + DEF_MOD("tmu2", 715, R8A779H0_CLK_SASYNCPERD2), + DEF_MOD("tmu3", 716, R8A779H0_CLK_SASYNCPERD2), + DEF_MOD("tmu4", 717, R8A779H0_CLK_SASYNCPERD2), + DEF_MOD("vin00", 730, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin01", 731, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin02", 800, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin03", 801, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin04", 802, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin05", 803, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin06", 804, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin07", 805, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin10", 806, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin11", 807, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin12", 808, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin13", 809, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin14", 810, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin15", 811, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin16", 812, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vin17", 813, R8A779H0_CLK_S0D4_VIO), + DEF_MOD("vspd0", 830, R8A779H0_CLK_VIOBUSD2), + DEF_MOD("wdt1:wdt0", 907, R8A779H0_CLK_R), + DEF_MOD("cmt0", 910, R8A779H0_CLK_R), + DEF_MOD("cmt1", 911, R8A779H0_CLK_R), + DEF_MOD("cmt2", 912, R8A779H0_CLK_R), + DEF_MOD("cmt3", 913, R8A779H0_CLK_R), + DEF_MOD("pfc0", 915, R8A779H0_CLK_CP), + DEF_MOD("pfc1", 916, R8A779H0_CLK_CP), + DEF_MOD("pfc2", 917, R8A779H0_CLK_CP), + DEF_MOD("tsc2:tsc1", 919, R8A779H0_CLK_CL16M), + DEF_MOD("vspx0", 1028, R8A779H0_CLK_S0D1_VIO), + DEF_MOD("fcpvx0", 1100, R8A779H0_CLK_S0D1_VIO), + DEF_MOD("ssiu", 2926, R8A779H0_CLK_S0D6_PER), + DEF_MOD("ssi", 2927, R8A779H0_CLK_S0D6_PER), +}; + +/* + * CPG Clock Data + */ +/* + * MD EXTAL PLL1 PLL2 PLL3 PLL4 PLL5 PLL6 OSC + * 14 13 (MHz) + * ------------------------------------------------------------------------ + * 0 0 16.66 / 1 x192 x240 x192 x240 x192 x168 /16 + * 0 1 20 / 1 x160 x200 x160 x200 x160 x140 /19 + * 1 0 Prohibited setting + * 1 1 33.33 / 2 x192 x240 x192 x240 x192 x168 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) + +static const struct rcar_gen4_cpg_pll_config cpg_pll_configs[4] __initconst = { + /* EXTAL div PLL1 mult/div PLL5 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 0, 0, 0, 0, 0, 0, }, + { 2, 192, 1, 192, 1, 32, }, +}; + +static int __init r8a779h0_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen4_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen4_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a779h0_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a779h0_core_clks, + .num_core_clks = ARRAY_SIZE(r8a779h0_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a779h0_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a779h0_mod_clks), + .num_hw_mod_clks = 30 * 32, + + /* Callbacks */ + .init = r8a779h0_cpg_mssr_init, + .cpg_clk_register = rcar_gen4_cpg_clk_register, + + .reg_layout = CLK_REG_LAYOUT_RCAR_GEN4, +}; diff --git a/drivers/clk/renesas/r9a06g032-clocks.c b/drivers/clk/renesas/r9a06g032-clocks.c new file mode 100644 index 000000000..076f587df --- /dev/null +++ b/drivers/clk/renesas/r9a06g032-clocks.c @@ -0,0 +1,1428 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * R9A06G032 clock driver + * + * Copyright (C) 2018 Renesas Electronics Europe Limited + * + * Michel Pollet <michel.pollet@bp.renesas.com>, <buserror@gmail.com> + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/math64.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/pm_clock.h> +#include <linux/pm_domain.h> +#include <linux/reboot.h> +#include <linux/slab.h> +#include <linux/soc/renesas/r9a06g032-sysctrl.h> +#include <linux/spinlock.h> +#include <dt-bindings/clock/r9a06g032-sysctrl.h> + +#define R9A06G032_SYSCTRL_USB 0x00 +#define R9A06G032_SYSCTRL_USB_H2MODE BIT(1) +#define R9A06G032_SYSCTRL_DMAMUX 0xA0 + +#define R9A06G032_SYSCTRL_RSTEN 0x120 +#define R9A06G032_SYSCTRL_RSTEN_MRESET_EN BIT(0) +#define R9A06G032_SYSCTRL_RSTCTRL 0x198 +/* These work for both reset registers */ +#define R9A06G032_SYSCTRL_SWRST BIT(6) +#define R9A06G032_SYSCTRL_WDA7RST_1 BIT(2) +#define R9A06G032_SYSCTRL_WDA7RST_0 BIT(1) + +/** + * struct regbit - describe one bit in a register + * @reg: offset of register relative to base address, + * expressed in units of 32-bit words (not bytes), + * @bit: which bit (0 to 31) in the register + * + * This structure is used to compactly encode the location + * of a single bit in a register. Five bits are needed to + * encode the bit number. With uint16_t data type, this + * leaves 11 bits to encode a register offset up to 2047. + * + * Since registers are aligned on 32-bit boundaries, the + * offset will be specified in 32-bit words rather than bytes. + * This allows encoding an offset up to 0x1FFC (8188) bytes. + * + * Helper macro RB() takes care of converting the register + * offset from bytes to 32-bit words. + */ +struct regbit { + u16 bit:5; + u16 reg:11; +}; + +#define RB(_reg, _bit) ((struct regbit) { \ + .reg = (_reg) / 4, \ + .bit = (_bit) \ +}) + +/** + * struct r9a06g032_gate - clock-related control bits + * @gate: clock enable/disable + * @reset: clock module reset (active low) + * @ready: enables NoC forwarding of read/write requests to device, + * (eg. device is ready to handle read/write requests) + * @midle: request to idle the NoC interconnect + * + * Each of these fields describes a single bit in a register, + * which controls some aspect of clock gating. The @gate field + * is mandatory, this one enables/disables the clock. The + * other fields are optional, with zero indicating "not used". + * + * In most cases there is a @reset bit which needs to be + * de-asserted to bring the module out of reset. + * + * Modules may also need to signal when they are @ready to + * handle requests (read/writes) from the NoC interconnect. + * + * Similarly, the @midle bit is used to idle the master. + */ +struct r9a06g032_gate { + struct regbit gate, reset, ready, midle; + /* Unused fields omitted to save space */ + /* struct regbit scon, mirack, mistat */; +}; + +enum gate_type { + K_GATE = 0, /* gate which enable/disable */ + K_FFC, /* fixed factor clock */ + K_DIV, /* divisor */ + K_BITSEL, /* special for UARTs */ + K_DUALGATE /* special for UARTs */ +}; + +/** + * struct r9a06g032_clkdesc - describe a single clock + * @name: string describing this clock + * @managed: boolean indicating if this clock should be + * started/stopped as part of power management + * @type: see enum @gate_type + * @index: the ID of this clock element + * @source: the ID+1 of the parent clock element. + * Root clock uses ID of ~0 (PARENT_ID); + * @gate: clock enable/disable + * @div: substructure for clock divider + * @div.min: smallest permitted clock divider + * @div.max: largest permitted clock divider + * @div.reg: clock divider register offset, in 32-bit words + * @div.table: optional list of fixed clock divider values; + * must be in ascending order, zero for unused + * @ffc: substructure for fixed-factor clocks + * @ffc.div: divisor for fixed-factor clock + * @ffc.mul: multiplier for fixed-factor clock + * @dual: substructure for dual clock gates + * @dual.group: UART group, 0=UART0/1/2, 1=UART3/4/5/6/7 + * @dual.sel: select either g1/r1 or g2/r2 as clock source + * @dual.g1: 1st source gate (clock enable/disable) + * @dual.r1: 1st source reset (module reset) + * @dual.g2: 2nd source gate (clock enable/disable) + * @dual.r2: 2nd source reset (module reset) + * + * Describes a single element in the clock tree hierarchy. + * As there are quite a large number of clock elements, this + * structure is packed tightly to conserve space. + */ +struct r9a06g032_clkdesc { + const char *name; + uint32_t managed:1; + enum gate_type type:3; + uint32_t index:8; + uint32_t source:8; /* source index + 1 (0 == none) */ + union { + /* type = K_GATE */ + struct r9a06g032_gate gate; + /* type = K_DIV */ + struct { + unsigned int min:10, max:10, reg:10; + u16 table[4]; + } div; + /* type = K_FFC */ + struct { + u16 div, mul; + } ffc; + /* type = K_DUALGATE */ + struct { + uint16_t group:1; + struct regbit sel, g1, r1, g2, r2; + } dual; + }; +}; + +/* + * The last three arguments are not currently used, + * but are kept in the r9a06g032_clocks table below. + */ +#define I_GATE(_clk, _rst, _rdy, _midle, _scon, _mirack, _mistat) { \ + .gate = _clk, \ + .reset = _rst, \ + .ready = _rdy, \ + .midle = _midle, \ + /* .scon = _scon, */ \ + /* .mirack = _mirack, */ \ + /* .mistat = _mistat */ \ +} +#define D_GATE(_idx, _n, _src, ...) { \ + .type = K_GATE, \ + .index = R9A06G032_##_idx, \ + .source = 1 + R9A06G032_##_src, \ + .name = _n, \ + .gate = I_GATE(__VA_ARGS__) \ +} +#define D_MODULE(_idx, _n, _src, ...) { \ + .type = K_GATE, \ + .index = R9A06G032_##_idx, \ + .source = 1 + R9A06G032_##_src, \ + .name = _n, \ + .managed = 1, \ + .gate = I_GATE(__VA_ARGS__) \ +} +#define D_ROOT(_idx, _n, _mul, _div) { \ + .type = K_FFC, \ + .index = R9A06G032_##_idx, \ + .name = _n, \ + .ffc.div = _div, \ + .ffc.mul = _mul \ +} +#define D_FFC(_idx, _n, _src, _div) { \ + .type = K_FFC, \ + .index = R9A06G032_##_idx, \ + .source = 1 + R9A06G032_##_src, \ + .name = _n, \ + .ffc.div = _div, \ + .ffc.mul = 1 \ +} +#define D_DIV(_idx, _n, _src, _reg, _min, _max, ...) { \ + .type = K_DIV, \ + .index = R9A06G032_##_idx, \ + .source = 1 + R9A06G032_##_src, \ + .name = _n, \ + .div.reg = _reg, \ + .div.min = _min, \ + .div.max = _max, \ + .div.table = { __VA_ARGS__ } \ +} +#define D_UGATE(_idx, _n, _src, _g, _g1, _r1, _g2, _r2) { \ + .type = K_DUALGATE, \ + .index = R9A06G032_##_idx, \ + .source = 1 + R9A06G032_##_src, \ + .name = _n, \ + .dual = { \ + .group = _g, \ + .g1 = _g1, \ + .r1 = _r1, \ + .g2 = _g2, \ + .r2 = _r2 \ + }, \ +} + +/* Internal clock IDs */ +#define R9A06G032_CLKOUT 0 +#define R9A06G032_CLKOUT_D10 2 +#define R9A06G032_CLKOUT_D16 3 +#define R9A06G032_CLKOUT_D160 4 +#define R9A06G032_CLKOUT_D1OR2 5 +#define R9A06G032_CLKOUT_D20 6 +#define R9A06G032_CLKOUT_D40 7 +#define R9A06G032_CLKOUT_D5 8 +#define R9A06G032_CLKOUT_D8 9 +#define R9A06G032_DIV_ADC 10 +#define R9A06G032_DIV_I2C 11 +#define R9A06G032_DIV_NAND 12 +#define R9A06G032_DIV_P1_PG 13 +#define R9A06G032_DIV_P2_PG 14 +#define R9A06G032_DIV_P3_PG 15 +#define R9A06G032_DIV_P4_PG 16 +#define R9A06G032_DIV_P5_PG 17 +#define R9A06G032_DIV_P6_PG 18 +#define R9A06G032_DIV_QSPI0 19 +#define R9A06G032_DIV_QSPI1 20 +#define R9A06G032_DIV_REF_SYNC 21 +#define R9A06G032_DIV_SDIO0 22 +#define R9A06G032_DIV_SDIO1 23 +#define R9A06G032_DIV_SWITCH 24 +#define R9A06G032_DIV_UART 25 +#define R9A06G032_DIV_MOTOR 64 +#define R9A06G032_CLK_DDRPHY_PLLCLK_D4 78 +#define R9A06G032_CLK_ECAT100_D4 79 +#define R9A06G032_CLK_HSR100_D2 80 +#define R9A06G032_CLK_REF_SYNC_D4 81 +#define R9A06G032_CLK_REF_SYNC_D8 82 +#define R9A06G032_CLK_SERCOS100_D2 83 +#define R9A06G032_DIV_CA7 84 + +#define R9A06G032_UART_GROUP_012 154 +#define R9A06G032_UART_GROUP_34567 155 + +#define R9A06G032_CLOCK_COUNT (R9A06G032_UART_GROUP_34567 + 1) + +static const struct r9a06g032_clkdesc r9a06g032_clocks[] = { + D_ROOT(CLKOUT, "clkout", 25, 1), + D_ROOT(CLK_PLL_USB, "clk_pll_usb", 12, 10), + D_FFC(CLKOUT_D10, "clkout_d10", CLKOUT, 10), + D_FFC(CLKOUT_D16, "clkout_d16", CLKOUT, 16), + D_FFC(CLKOUT_D160, "clkout_d160", CLKOUT, 160), + D_DIV(CLKOUT_D1OR2, "clkout_d1or2", CLKOUT, 0, 1, 2), + D_FFC(CLKOUT_D20, "clkout_d20", CLKOUT, 20), + D_FFC(CLKOUT_D40, "clkout_d40", CLKOUT, 40), + D_FFC(CLKOUT_D5, "clkout_d5", CLKOUT, 5), + D_FFC(CLKOUT_D8, "clkout_d8", CLKOUT, 8), + D_DIV(DIV_ADC, "div_adc", CLKOUT, 77, 50, 250), + D_DIV(DIV_I2C, "div_i2c", CLKOUT, 78, 12, 16), + D_DIV(DIV_NAND, "div_nand", CLKOUT, 82, 12, 32), + D_DIV(DIV_P1_PG, "div_p1_pg", CLKOUT, 68, 12, 200), + D_DIV(DIV_P2_PG, "div_p2_pg", CLKOUT, 62, 12, 128), + D_DIV(DIV_P3_PG, "div_p3_pg", CLKOUT, 64, 8, 128), + D_DIV(DIV_P4_PG, "div_p4_pg", CLKOUT, 66, 8, 128), + D_DIV(DIV_P5_PG, "div_p5_pg", CLKOUT, 71, 10, 40), + D_DIV(DIV_P6_PG, "div_p6_pg", CLKOUT, 18, 12, 64), + D_DIV(DIV_QSPI0, "div_qspi0", CLKOUT, 73, 3, 7), + D_DIV(DIV_QSPI1, "div_qspi1", CLKOUT, 25, 3, 7), + D_DIV(DIV_REF_SYNC, "div_ref_sync", CLKOUT, 56, 2, 16, 2, 4, 8, 16), + D_DIV(DIV_SDIO0, "div_sdio0", CLKOUT, 74, 20, 128), + D_DIV(DIV_SDIO1, "div_sdio1", CLKOUT, 75, 20, 128), + D_DIV(DIV_SWITCH, "div_switch", CLKOUT, 37, 5, 40), + D_DIV(DIV_UART, "div_uart", CLKOUT, 79, 12, 128), + D_GATE(CLK_25_PG4, "clk_25_pg4", CLKOUT_D40, RB(0xe8, 9), + RB(0xe8, 10), RB(0xe8, 11), RB(0x00, 0), + RB(0x15c, 3), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_25_PG5, "clk_25_pg5", CLKOUT_D40, RB(0xe8, 12), + RB(0xe8, 13), RB(0xe8, 14), RB(0x00, 0), + RB(0x15c, 4), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_25_PG6, "clk_25_pg6", CLKOUT_D40, RB(0xe8, 15), + RB(0xe8, 16), RB(0xe8, 17), RB(0x00, 0), + RB(0x15c, 5), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_25_PG7, "clk_25_pg7", CLKOUT_D40, RB(0xe8, 18), + RB(0xe8, 19), RB(0xe8, 20), RB(0x00, 0), + RB(0x15c, 6), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_25_PG8, "clk_25_pg8", CLKOUT_D40, RB(0xe8, 21), + RB(0xe8, 22), RB(0xe8, 23), RB(0x00, 0), + RB(0x15c, 7), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_ADC, "clk_adc", DIV_ADC, RB(0x3c, 10), + RB(0x3c, 11), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_ECAT100, "clk_ecat100", CLKOUT_D10, RB(0x80, 5), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_HSR100, "clk_hsr100", CLKOUT_D10, RB(0x90, 3), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_I2C0, "clk_i2c0", DIV_I2C, RB(0x3c, 6), + RB(0x3c, 7), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_I2C1, "clk_i2c1", DIV_I2C, RB(0x3c, 8), + RB(0x3c, 9), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_MII_REF, "clk_mii_ref", CLKOUT_D40, RB(0x68, 2), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_NAND, "clk_nand", DIV_NAND, RB(0x50, 4), + RB(0x50, 5), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_NOUSBP2_PG6, "clk_nousbp2_pg6", DIV_P2_PG, RB(0xec, 20), + RB(0xec, 21), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_P1_PG2, "clk_p1_pg2", DIV_P1_PG, RB(0x10c, 2), + RB(0x10c, 3), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_P1_PG3, "clk_p1_pg3", DIV_P1_PG, RB(0x10c, 4), + RB(0x10c, 5), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_P1_PG4, "clk_p1_pg4", DIV_P1_PG, RB(0x10c, 6), + RB(0x10c, 7), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_P4_PG3, "clk_p4_pg3", DIV_P4_PG, RB(0x104, 4), + RB(0x104, 5), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_P4_PG4, "clk_p4_pg4", DIV_P4_PG, RB(0x104, 6), + RB(0x104, 7), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_P6_PG1, "clk_p6_pg1", DIV_P6_PG, RB(0x114, 0), + RB(0x114, 1), RB(0x114, 2), RB(0x00, 0), + RB(0x16c, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_P6_PG2, "clk_p6_pg2", DIV_P6_PG, RB(0x114, 3), + RB(0x114, 4), RB(0x114, 5), RB(0x00, 0), + RB(0x16c, 1), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_P6_PG3, "clk_p6_pg3", DIV_P6_PG, RB(0x114, 6), + RB(0x114, 7), RB(0x114, 8), RB(0x00, 0), + RB(0x16c, 2), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_P6_PG4, "clk_p6_pg4", DIV_P6_PG, RB(0x114, 9), + RB(0x114, 10), RB(0x114, 11), RB(0x00, 0), + RB(0x16c, 3), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(CLK_PCI_USB, "clk_pci_usb", CLKOUT_D40, RB(0x1c, 6), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_QSPI0, "clk_qspi0", DIV_QSPI0, RB(0x54, 4), + RB(0x54, 5), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_QSPI1, "clk_qspi1", DIV_QSPI1, RB(0x90, 4), + RB(0x90, 5), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_RGMII_REF, "clk_rgmii_ref", CLKOUT_D8, RB(0x68, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_RMII_REF, "clk_rmii_ref", CLKOUT_D20, RB(0x68, 1), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SDIO0, "clk_sdio0", DIV_SDIO0, RB(0x0c, 4), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SDIO1, "clk_sdio1", DIV_SDIO1, RB(0xc8, 4), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SERCOS100, "clk_sercos100", CLKOUT_D10, RB(0x84, 5), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SLCD, "clk_slcd", DIV_P1_PG, RB(0x10c, 0), + RB(0x10c, 1), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SPI0, "clk_spi0", DIV_P3_PG, RB(0xfc, 0), + RB(0xfc, 1), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SPI1, "clk_spi1", DIV_P3_PG, RB(0xfc, 2), + RB(0xfc, 3), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SPI2, "clk_spi2", DIV_P3_PG, RB(0xfc, 4), + RB(0xfc, 5), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SPI3, "clk_spi3", DIV_P3_PG, RB(0xfc, 6), + RB(0xfc, 7), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SPI4, "clk_spi4", DIV_P4_PG, RB(0x104, 0), + RB(0x104, 1), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SPI5, "clk_spi5", DIV_P4_PG, RB(0x104, 2), + RB(0x104, 3), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SWITCH, "clk_switch", DIV_SWITCH, RB(0x130, 2), + RB(0x130, 3), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_DIV(DIV_MOTOR, "div_motor", CLKOUT_D5, 84, 2, 8), + D_MODULE(HCLK_ECAT125, "hclk_ecat125", CLKOUT_D8, RB(0x80, 0), + RB(0x80, 1), RB(0x00, 0), RB(0x80, 2), + RB(0x00, 0), RB(0x88, 0), RB(0x88, 1)), + D_MODULE(HCLK_PINCONFIG, "hclk_pinconfig", CLKOUT_D40, RB(0xe8, 0), + RB(0xe8, 1), RB(0xe8, 2), RB(0x00, 0), + RB(0x15c, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SERCOS, "hclk_sercos", CLKOUT_D10, RB(0x84, 0), + RB(0x84, 2), RB(0x00, 0), RB(0x84, 1), + RB(0x00, 0), RB(0x8c, 0), RB(0x8c, 1)), + D_MODULE(HCLK_SGPIO2, "hclk_sgpio2", DIV_P5_PG, RB(0x118, 3), + RB(0x118, 4), RB(0x118, 5), RB(0x00, 0), + RB(0x168, 1), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SGPIO3, "hclk_sgpio3", DIV_P5_PG, RB(0x118, 6), + RB(0x118, 7), RB(0x118, 8), RB(0x00, 0), + RB(0x168, 2), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SGPIO4, "hclk_sgpio4", DIV_P5_PG, RB(0x118, 9), + RB(0x118, 10), RB(0x118, 11), RB(0x00, 0), + RB(0x168, 3), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_TIMER0, "hclk_timer0", CLKOUT_D40, RB(0xe8, 3), + RB(0xe8, 4), RB(0xe8, 5), RB(0x00, 0), + RB(0x15c, 1), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_TIMER1, "hclk_timer1", CLKOUT_D40, RB(0xe8, 6), + RB(0xe8, 7), RB(0xe8, 8), RB(0x00, 0), + RB(0x15c, 2), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_USBF, "hclk_usbf", CLKOUT_D8, RB(0x1c, 3), + RB(0x00, 0), RB(0x00, 0), RB(0x1c, 4), + RB(0x00, 0), RB(0x20, 2), RB(0x20, 3)), + D_MODULE(HCLK_USBH, "hclk_usbh", CLKOUT_D8, RB(0x1c, 0), + RB(0x1c, 1), RB(0x00, 0), RB(0x1c, 2), + RB(0x00, 0), RB(0x20, 0), RB(0x20, 1)), + D_MODULE(HCLK_USBPM, "hclk_usbpm", CLKOUT_D8, RB(0x1c, 5), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_48_PG_F, "clk_48_pg_f", CLK_48, RB(0xf0, 12), + RB(0xf0, 13), RB(0x00, 0), RB(0xf0, 14), + RB(0x00, 0), RB(0x160, 4), RB(0x160, 5)), + D_GATE(CLK_48_PG4, "clk_48_pg4", CLK_48, RB(0xf0, 9), + RB(0xf0, 10), RB(0xf0, 11), RB(0x00, 0), + RB(0x160, 3), RB(0x00, 0), RB(0x00, 0)), + D_FFC(CLK_DDRPHY_PLLCLK_D4, "clk_ddrphy_pllclk_d4", CLK_DDRPHY_PLLCLK, 4), + D_FFC(CLK_ECAT100_D4, "clk_ecat100_d4", CLK_ECAT100, 4), + D_FFC(CLK_HSR100_D2, "clk_hsr100_d2", CLK_HSR100, 2), + D_FFC(CLK_REF_SYNC_D4, "clk_ref_sync_d4", CLK_REF_SYNC, 4), + D_FFC(CLK_REF_SYNC_D8, "clk_ref_sync_d8", CLK_REF_SYNC, 8), + D_FFC(CLK_SERCOS100_D2, "clk_sercos100_d2", CLK_SERCOS100, 2), + D_DIV(DIV_CA7, "div_ca7", CLK_REF_SYNC, 57, 1, 4, 1, 2, 4), + D_MODULE(HCLK_CAN0, "hclk_can0", CLK_48, RB(0xf0, 3), + RB(0xf0, 4), RB(0xf0, 5), RB(0x00, 0), + RB(0x160, 1), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_CAN1, "hclk_can1", CLK_48, RB(0xf0, 6), + RB(0xf0, 7), RB(0xf0, 8), RB(0x00, 0), + RB(0x160, 2), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_DELTASIGMA, "hclk_deltasigma", DIV_MOTOR, RB(0x3c, 15), + RB(0x3c, 16), RB(0x3c, 17), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_PWMPTO, "hclk_pwmpto", DIV_MOTOR, RB(0x3c, 12), + RB(0x3c, 13), RB(0x3c, 14), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_RSV, "hclk_rsv", CLK_48, RB(0xf0, 0), + RB(0xf0, 1), RB(0xf0, 2), RB(0x00, 0), + RB(0x160, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SGPIO0, "hclk_sgpio0", DIV_MOTOR, RB(0x3c, 0), + RB(0x3c, 1), RB(0x3c, 2), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SGPIO1, "hclk_sgpio1", DIV_MOTOR, RB(0x3c, 3), + RB(0x3c, 4), RB(0x3c, 5), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_DIV(RTOS_MDC, "rtos_mdc", CLK_REF_SYNC, 100, 80, 640, 80, 160, 320, 640), + D_GATE(CLK_CM3, "clk_cm3", CLK_REF_SYNC_D4, RB(0x174, 0), + RB(0x174, 1), RB(0x00, 0), RB(0x174, 2), + RB(0x00, 0), RB(0x178, 0), RB(0x178, 1)), + D_GATE(CLK_DDRC, "clk_ddrc", CLK_DDRPHY_PLLCLK_D4, RB(0x64, 3), + RB(0x64, 4), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_ECAT25, "clk_ecat25", CLK_ECAT100_D4, RB(0x80, 3), + RB(0x80, 4), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_HSR50, "clk_hsr50", CLK_HSR100_D2, RB(0x90, 4), + RB(0x90, 5), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_HW_RTOS, "clk_hw_rtos", CLK_REF_SYNC_D4, RB(0x18c, 0), + RB(0x18c, 1), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_GATE(CLK_SERCOS50, "clk_sercos50", CLK_SERCOS100_D2, RB(0x84, 4), + RB(0x84, 3), RB(0x00, 0), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_ADC, "hclk_adc", CLK_REF_SYNC_D8, RB(0x34, 15), + RB(0x34, 16), RB(0x34, 17), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_CM3, "hclk_cm3", CLK_REF_SYNC_D4, RB(0x184, 0), + RB(0x184, 1), RB(0x184, 2), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_CRYPTO_EIP150, "hclk_crypto_eip150", CLK_REF_SYNC_D4, RB(0x24, 3), + RB(0x24, 4), RB(0x24, 5), RB(0x00, 0), + RB(0x28, 2), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_CRYPTO_EIP93, "hclk_crypto_eip93", CLK_REF_SYNC_D4, RB(0x24, 0), + RB(0x24, 1), RB(0x00, 0), RB(0x24, 2), + RB(0x00, 0), RB(0x28, 0), RB(0x28, 1)), + D_MODULE(HCLK_DDRC, "hclk_ddrc", CLK_REF_SYNC_D4, RB(0x64, 0), + RB(0x64, 2), RB(0x00, 0), RB(0x64, 1), + RB(0x00, 0), RB(0x74, 0), RB(0x74, 1)), + D_MODULE(HCLK_DMA0, "hclk_dma0", CLK_REF_SYNC_D4, RB(0x4c, 0), + RB(0x4c, 1), RB(0x4c, 2), RB(0x4c, 3), + RB(0x58, 0), RB(0x58, 1), RB(0x58, 2)), + D_MODULE(HCLK_DMA1, "hclk_dma1", CLK_REF_SYNC_D4, RB(0x4c, 4), + RB(0x4c, 5), RB(0x4c, 6), RB(0x4c, 7), + RB(0x58, 3), RB(0x58, 4), RB(0x58, 5)), + D_MODULE(HCLK_GMAC0, "hclk_gmac0", CLK_REF_SYNC_D4, RB(0x6c, 0), + RB(0x6c, 1), RB(0x6c, 2), RB(0x6c, 3), + RB(0x78, 0), RB(0x78, 1), RB(0x78, 2)), + D_MODULE(HCLK_GMAC1, "hclk_gmac1", CLK_REF_SYNC_D4, RB(0x70, 0), + RB(0x70, 1), RB(0x70, 2), RB(0x70, 3), + RB(0x7c, 0), RB(0x7c, 1), RB(0x7c, 2)), + D_MODULE(HCLK_GPIO0, "hclk_gpio0", CLK_REF_SYNC_D4, RB(0x40, 18), + RB(0x40, 19), RB(0x40, 20), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_GPIO1, "hclk_gpio1", CLK_REF_SYNC_D4, RB(0x40, 21), + RB(0x40, 22), RB(0x40, 23), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_GPIO2, "hclk_gpio2", CLK_REF_SYNC_D4, RB(0x44, 9), + RB(0x44, 10), RB(0x44, 11), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_HSR, "hclk_hsr", CLK_HSR100_D2, RB(0x90, 0), + RB(0x90, 2), RB(0x00, 0), RB(0x90, 1), + RB(0x00, 0), RB(0x98, 0), RB(0x98, 1)), + D_MODULE(HCLK_I2C0, "hclk_i2c0", CLK_REF_SYNC_D8, RB(0x34, 9), + RB(0x34, 10), RB(0x34, 11), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_I2C1, "hclk_i2c1", CLK_REF_SYNC_D8, RB(0x34, 12), + RB(0x34, 13), RB(0x34, 14), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_LCD, "hclk_lcd", CLK_REF_SYNC_D4, RB(0xf4, 0), + RB(0xf4, 1), RB(0xf4, 2), RB(0x00, 0), + RB(0x164, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_MSEBI_M, "hclk_msebi_m", CLK_REF_SYNC_D4, RB(0x2c, 4), + RB(0x2c, 5), RB(0x2c, 6), RB(0x00, 0), + RB(0x30, 3), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_MSEBI_S, "hclk_msebi_s", CLK_REF_SYNC_D4, RB(0x2c, 0), + RB(0x2c, 1), RB(0x2c, 2), RB(0x2c, 3), + RB(0x30, 0), RB(0x30, 1), RB(0x30, 2)), + D_MODULE(HCLK_NAND, "hclk_nand", CLK_REF_SYNC_D4, RB(0x50, 0), + RB(0x50, 1), RB(0x50, 2), RB(0x50, 3), + RB(0x5c, 0), RB(0x5c, 1), RB(0x5c, 2)), + D_MODULE(HCLK_PG_I, "hclk_pg_i", CLK_REF_SYNC_D4, RB(0xf4, 12), + RB(0xf4, 13), RB(0x00, 0), RB(0xf4, 14), + RB(0x00, 0), RB(0x164, 4), RB(0x164, 5)), + D_MODULE(HCLK_PG19, "hclk_pg19", CLK_REF_SYNC_D4, RB(0x44, 12), + RB(0x44, 13), RB(0x44, 14), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_PG20, "hclk_pg20", CLK_REF_SYNC_D4, RB(0x44, 15), + RB(0x44, 16), RB(0x44, 17), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_PG3, "hclk_pg3", CLK_REF_SYNC_D4, RB(0xf4, 6), + RB(0xf4, 7), RB(0xf4, 8), RB(0x00, 0), + RB(0x164, 2), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_PG4, "hclk_pg4", CLK_REF_SYNC_D4, RB(0xf4, 9), + RB(0xf4, 10), RB(0xf4, 11), RB(0x00, 0), + RB(0x164, 3), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_QSPI0, "hclk_qspi0", CLK_REF_SYNC_D4, RB(0x54, 0), + RB(0x54, 1), RB(0x54, 2), RB(0x54, 3), + RB(0x60, 0), RB(0x60, 1), RB(0x60, 2)), + D_MODULE(HCLK_QSPI1, "hclk_qspi1", CLK_REF_SYNC_D4, RB(0x90, 0), + RB(0x90, 1), RB(0x90, 2), RB(0x90, 3), + RB(0x98, 0), RB(0x98, 1), RB(0x98, 2)), + D_MODULE(HCLK_ROM, "hclk_rom", CLK_REF_SYNC_D4, RB(0x154, 0), + RB(0x154, 1), RB(0x154, 2), RB(0x00, 0), + RB(0x170, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_RTC, "hclk_rtc", CLK_REF_SYNC_D8, RB(0x140, 0), + RB(0x140, 3), RB(0x00, 0), RB(0x140, 2), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SDIO0, "hclk_sdio0", CLK_REF_SYNC_D4, RB(0x0c, 0), + RB(0x0c, 1), RB(0x0c, 2), RB(0x0c, 3), + RB(0x10, 0), RB(0x10, 1), RB(0x10, 2)), + D_MODULE(HCLK_SDIO1, "hclk_sdio1", CLK_REF_SYNC_D4, RB(0xc8, 0), + RB(0xc8, 1), RB(0xc8, 2), RB(0xc8, 3), + RB(0xcc, 0), RB(0xcc, 1), RB(0xcc, 2)), + D_MODULE(HCLK_SEMAP, "hclk_semap", CLK_REF_SYNC_D4, RB(0xf4, 3), + RB(0xf4, 4), RB(0xf4, 5), RB(0x00, 0), + RB(0x164, 1), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SPI0, "hclk_spi0", CLK_REF_SYNC_D4, RB(0x40, 0), + RB(0x40, 1), RB(0x40, 2), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SPI1, "hclk_spi1", CLK_REF_SYNC_D4, RB(0x40, 3), + RB(0x40, 4), RB(0x40, 5), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SPI2, "hclk_spi2", CLK_REF_SYNC_D4, RB(0x40, 6), + RB(0x40, 7), RB(0x40, 8), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SPI3, "hclk_spi3", CLK_REF_SYNC_D4, RB(0x40, 9), + RB(0x40, 10), RB(0x40, 11), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SPI4, "hclk_spi4", CLK_REF_SYNC_D4, RB(0x40, 12), + RB(0x40, 13), RB(0x40, 14), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SPI5, "hclk_spi5", CLK_REF_SYNC_D4, RB(0x40, 15), + RB(0x40, 16), RB(0x40, 17), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SWITCH, "hclk_switch", CLK_REF_SYNC_D4, RB(0x130, 0), + RB(0x00, 0), RB(0x130, 1), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_SWITCH_RG, "hclk_switch_rg", CLK_REF_SYNC_D4, RB(0x188, 0), + RB(0x188, 1), RB(0x188, 2), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_UART0, "hclk_uart0", CLK_REF_SYNC_D8, RB(0x34, 0), + RB(0x34, 1), RB(0x34, 2), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_UART1, "hclk_uart1", CLK_REF_SYNC_D8, RB(0x34, 3), + RB(0x34, 4), RB(0x34, 5), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_UART2, "hclk_uart2", CLK_REF_SYNC_D8, RB(0x34, 6), + RB(0x34, 7), RB(0x34, 8), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_UART3, "hclk_uart3", CLK_REF_SYNC_D4, RB(0x40, 24), + RB(0x40, 25), RB(0x40, 26), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_UART4, "hclk_uart4", CLK_REF_SYNC_D4, RB(0x40, 27), + RB(0x40, 28), RB(0x40, 29), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_UART5, "hclk_uart5", CLK_REF_SYNC_D4, RB(0x44, 0), + RB(0x44, 1), RB(0x44, 2), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_UART6, "hclk_uart6", CLK_REF_SYNC_D4, RB(0x44, 3), + RB(0x44, 4), RB(0x44, 5), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + D_MODULE(HCLK_UART7, "hclk_uart7", CLK_REF_SYNC_D4, RB(0x44, 6), + RB(0x44, 7), RB(0x44, 8), RB(0x00, 0), + RB(0x00, 0), RB(0x00, 0), RB(0x00, 0)), + /* + * These are not hardware clocks, but are needed to handle the special + * case where we have a 'selector bit' that doesn't just change the + * parent for a clock, but also the gate it's supposed to use. + */ + { + .index = R9A06G032_UART_GROUP_012, + .name = "uart_group_012", + .type = K_BITSEL, + .source = 1 + R9A06G032_DIV_UART, + /* R9A06G032_SYSCTRL_REG_PWRCTRL_PG0_0 */ + .dual.sel = RB(0x34, 30), + .dual.group = 0, + }, + { + .index = R9A06G032_UART_GROUP_34567, + .name = "uart_group_34567", + .type = K_BITSEL, + .source = 1 + R9A06G032_DIV_P2_PG, + /* R9A06G032_SYSCTRL_REG_PWRCTRL_PG1_PR2 */ + .dual.sel = RB(0xec, 24), + .dual.group = 1, + }, + D_UGATE(CLK_UART0, "clk_uart0", UART_GROUP_012, 0, + RB(0x34, 18), RB(0x34, 19), RB(0x34, 20), RB(0x34, 21)), + D_UGATE(CLK_UART1, "clk_uart1", UART_GROUP_012, 0, + RB(0x34, 22), RB(0x34, 23), RB(0x34, 24), RB(0x34, 25)), + D_UGATE(CLK_UART2, "clk_uart2", UART_GROUP_012, 0, + RB(0x34, 26), RB(0x34, 27), RB(0x34, 28), RB(0x34, 29)), + D_UGATE(CLK_UART3, "clk_uart3", UART_GROUP_34567, 1, + RB(0xec, 0), RB(0xec, 1), RB(0xec, 2), RB(0xec, 3)), + D_UGATE(CLK_UART4, "clk_uart4", UART_GROUP_34567, 1, + RB(0xec, 4), RB(0xec, 5), RB(0xec, 6), RB(0xec, 7)), + D_UGATE(CLK_UART5, "clk_uart5", UART_GROUP_34567, 1, + RB(0xec, 8), RB(0xec, 9), RB(0xec, 10), RB(0xec, 11)), + D_UGATE(CLK_UART6, "clk_uart6", UART_GROUP_34567, 1, + RB(0xec, 12), RB(0xec, 13), RB(0xec, 14), RB(0xec, 15)), + D_UGATE(CLK_UART7, "clk_uart7", UART_GROUP_34567, 1, + RB(0xec, 16), RB(0xec, 17), RB(0xec, 18), RB(0xec, 19)), +}; + +struct r9a06g032_priv { + struct clk_onecell_data data; + spinlock_t lock; /* protects concurrent access to gates */ + void __iomem *reg; +}; + +static struct r9a06g032_priv *sysctrl_priv; + +/* Exported helper to access the DMAMUX register */ +int r9a06g032_sysctrl_set_dmamux(u32 mask, u32 val) +{ + unsigned long flags; + u32 dmamux; + + if (!sysctrl_priv) + return -EPROBE_DEFER; + + spin_lock_irqsave(&sysctrl_priv->lock, flags); + + dmamux = readl(sysctrl_priv->reg + R9A06G032_SYSCTRL_DMAMUX); + dmamux &= ~mask; + dmamux |= val & mask; + writel(dmamux, sysctrl_priv->reg + R9A06G032_SYSCTRL_DMAMUX); + + spin_unlock_irqrestore(&sysctrl_priv->lock, flags); + + return 0; +} +EXPORT_SYMBOL_GPL(r9a06g032_sysctrl_set_dmamux); + +static void clk_rdesc_set(struct r9a06g032_priv *clocks, + struct regbit rb, unsigned int on) +{ + u32 __iomem *reg = clocks->reg + (rb.reg * 4); + u32 val; + + if (!rb.reg && !rb.bit) + return; + + val = readl(reg); + val = (val & ~BIT(rb.bit)) | ((!!on) << rb.bit); + writel(val, reg); +} + +static int clk_rdesc_get(struct r9a06g032_priv *clocks, struct regbit rb) +{ + u32 __iomem *reg = clocks->reg + (rb.reg * 4); + u32 val = readl(reg); + + return !!(val & BIT(rb.bit)); +} + +/* + * This implements the R9A06G032 clock gate 'driver'. We cannot use the system's + * clock gate framework as the gates on the R9A06G032 have a special enabling + * sequence, therefore we use this little proxy. + */ +struct r9a06g032_clk_gate { + struct clk_hw hw; + struct r9a06g032_priv *clocks; + u16 index; + + struct r9a06g032_gate gate; +}; + +#define to_r9a06g032_gate(_hw) container_of(_hw, struct r9a06g032_clk_gate, hw) + +static int create_add_module_clock(struct of_phandle_args *clkspec, + struct device *dev) +{ + struct clk *clk; + int error; + + clk = of_clk_get_from_provider(clkspec); + if (IS_ERR(clk)) + return PTR_ERR(clk); + + error = pm_clk_create(dev); + if (error) { + clk_put(clk); + return error; + } + + error = pm_clk_add_clk(dev, clk); + if (error) { + pm_clk_destroy(dev); + clk_put(clk); + } + + return error; +} + +static int r9a06g032_attach_dev(struct generic_pm_domain *pd, + struct device *dev) +{ + struct device_node *np = dev->of_node; + struct of_phandle_args clkspec; + int i = 0; + int error; + int index; + + while (!of_parse_phandle_with_args(np, "clocks", "#clock-cells", i++, + &clkspec)) { + if (clkspec.np != pd->dev.of_node) + continue; + + index = clkspec.args[0]; + if (index < R9A06G032_CLOCK_COUNT && + r9a06g032_clocks[index].managed) { + error = create_add_module_clock(&clkspec, dev); + of_node_put(clkspec.np); + if (error) + return error; + } + } + + return 0; +} + +static void r9a06g032_detach_dev(struct generic_pm_domain *unused, struct device *dev) +{ + if (!pm_clk_no_clocks(dev)) + pm_clk_destroy(dev); +} + +static int r9a06g032_add_clk_domain(struct device *dev) +{ + struct device_node *np = dev->of_node; + struct generic_pm_domain *pd; + + pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); + if (!pd) + return -ENOMEM; + + pd->name = np->name; + pd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ALWAYS_ON | + GENPD_FLAG_ACTIVE_WAKEUP; + pd->attach_dev = r9a06g032_attach_dev; + pd->detach_dev = r9a06g032_detach_dev; + pm_genpd_init(pd, &pm_domain_always_on_gov, false); + + of_genpd_add_provider_simple(np, pd); + return 0; +} + +static void +r9a06g032_clk_gate_set(struct r9a06g032_priv *clocks, + struct r9a06g032_gate *g, int on) +{ + unsigned long flags; + + WARN_ON(!g->gate.reg && !g->gate.bit); + + spin_lock_irqsave(&clocks->lock, flags); + clk_rdesc_set(clocks, g->gate, on); + /* De-assert reset */ + clk_rdesc_set(clocks, g->reset, 1); + spin_unlock_irqrestore(&clocks->lock, flags); + + /* Hardware manual recommends 5us delay after enabling clock & reset */ + udelay(5); + + /* If the peripheral is memory mapped (i.e. an AXI slave), there is an + * associated SLVRDY bit in the System Controller that needs to be set + * so that the FlexWAY bus fabric passes on the read/write requests. + */ + spin_lock_irqsave(&clocks->lock, flags); + clk_rdesc_set(clocks, g->ready, on); + /* Clear 'Master Idle Request' bit */ + clk_rdesc_set(clocks, g->midle, !on); + spin_unlock_irqrestore(&clocks->lock, flags); + + /* Note: We don't wait for FlexWAY Socket Connection signal */ +} + +static int r9a06g032_clk_gate_enable(struct clk_hw *hw) +{ + struct r9a06g032_clk_gate *g = to_r9a06g032_gate(hw); + + r9a06g032_clk_gate_set(g->clocks, &g->gate, 1); + return 0; +} + +static void r9a06g032_clk_gate_disable(struct clk_hw *hw) +{ + struct r9a06g032_clk_gate *g = to_r9a06g032_gate(hw); + + r9a06g032_clk_gate_set(g->clocks, &g->gate, 0); +} + +static int r9a06g032_clk_gate_is_enabled(struct clk_hw *hw) +{ + struct r9a06g032_clk_gate *g = to_r9a06g032_gate(hw); + + /* if clock is in reset, the gate might be on, and still not 'be' on */ + if (g->gate.reset.reg && !clk_rdesc_get(g->clocks, g->gate.reset)) + return 0; + + return clk_rdesc_get(g->clocks, g->gate.gate); +} + +static const struct clk_ops r9a06g032_clk_gate_ops = { + .enable = r9a06g032_clk_gate_enable, + .disable = r9a06g032_clk_gate_disable, + .is_enabled = r9a06g032_clk_gate_is_enabled, +}; + +static struct clk * +r9a06g032_register_gate(struct r9a06g032_priv *clocks, + const char *parent_name, + const struct r9a06g032_clkdesc *desc) +{ + struct clk *clk; + struct r9a06g032_clk_gate *g; + struct clk_init_data init = {}; + + g = kzalloc_obj(*g); + if (!g) + return NULL; + + init.name = desc->name; + init.ops = &r9a06g032_clk_gate_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = parent_name ? &parent_name : NULL; + init.num_parents = parent_name ? 1 : 0; + + g->clocks = clocks; + g->index = desc->index; + g->gate = desc->gate; + g->hw.init = &init; + + /* + * important here, some clocks are already in use by the CM3, we + * have to assume they are not Linux's to play with and try to disable + * at the end of the boot! + */ + if (r9a06g032_clk_gate_is_enabled(&g->hw)) { + init.flags |= CLK_IS_CRITICAL; + pr_debug("%s was enabled, making read-only\n", desc->name); + } + + clk = clk_register(NULL, &g->hw); + if (IS_ERR(clk)) { + kfree(g); + return NULL; + } + return clk; +} + +struct r9a06g032_clk_div { + struct clk_hw hw; + struct r9a06g032_priv *clocks; + u16 index; + u16 reg; + u16 min, max; + u8 table_size; + u16 table[8]; /* we know there are no more than 8 */ +}; + +#define to_r9a06g032_div(_hw) \ + container_of(_hw, struct r9a06g032_clk_div, hw) + +static unsigned long +r9a06g032_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct r9a06g032_clk_div *clk = to_r9a06g032_div(hw); + u32 __iomem *reg = clk->clocks->reg + (4 * clk->reg); + u32 div = readl(reg); + + if (div < clk->min) + div = clk->min; + else if (div > clk->max) + div = clk->max; + return DIV_ROUND_UP(parent_rate, div); +} + +/* + * Attempts to find a value that is in range of min,max, + * and if a table of set dividers was specified for this + * register, try to find the fixed divider that is the closest + * to the target frequency + */ +static long +r9a06g032_div_clamp_div(struct r9a06g032_clk_div *clk, + unsigned long rate, unsigned long prate) +{ + /* + 1 to cope with rates that have the remainder dropped */ + u32 div = DIV_ROUND_UP(prate, rate + 1); + int i; + + if (div <= clk->min) + return clk->min; + if (div >= clk->max) + return clk->max; + + for (i = 0; clk->table_size && i < clk->table_size - 1; i++) { + if (div >= clk->table[i] && div <= clk->table[i + 1]) { + unsigned long m = rate - + DIV_ROUND_UP(prate, clk->table[i]); + unsigned long p = + DIV_ROUND_UP(prate, clk->table[i + 1]) - + rate; + /* + * select the divider that generates + * the value closest to the ideal frequency + */ + div = p >= m ? clk->table[i] : clk->table[i + 1]; + return div; + } + } + return div; +} + +static int +r9a06g032_div_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) +{ + struct r9a06g032_clk_div *clk = to_r9a06g032_div(hw); + u32 div = DIV_ROUND_UP(req->best_parent_rate, req->rate); + + pr_devel("%s %pC %ld (prate %ld) (wanted div %u)\n", __func__, + hw->clk, req->rate, req->best_parent_rate, div); + pr_devel(" min %d (%ld) max %d (%ld)\n", + clk->min, DIV_ROUND_UP(req->best_parent_rate, clk->min), + clk->max, DIV_ROUND_UP(req->best_parent_rate, clk->max)); + + div = r9a06g032_div_clamp_div(clk, req->rate, req->best_parent_rate); + /* + * this is a hack. Currently the serial driver asks for a clock rate + * that is 16 times the baud rate -- and that is wildly outside the + * range of the UART divider, somehow there is no provision for that + * case of 'let the divider as is if outside range'. + * The serial driver *shouldn't* play with these clocks anyway, there's + * several uarts attached to this divider, and changing this impacts + * everyone. + */ + if (clk->index == R9A06G032_DIV_UART || + clk->index == R9A06G032_DIV_P2_PG) { + pr_devel("%s div uart hack!\n", __func__); + req->rate = clk_get_rate(hw->clk); + return 0; + } + req->rate = DIV_ROUND_UP(req->best_parent_rate, div); + pr_devel("%s %pC %ld / %u = %ld\n", __func__, hw->clk, + req->best_parent_rate, div, req->rate); + return 0; +} + +static int +r9a06g032_div_set_rate(struct clk_hw *hw, + unsigned long rate, unsigned long parent_rate) +{ + struct r9a06g032_clk_div *clk = to_r9a06g032_div(hw); + /* + 1 to cope with rates that have the remainder dropped */ + u32 div = DIV_ROUND_UP(parent_rate, rate + 1); + u32 __iomem *reg = clk->clocks->reg + (4 * clk->reg); + + pr_devel("%s %pC rate %ld parent %ld div %d\n", __func__, hw->clk, + rate, parent_rate, div); + + /* + * Need to write the bit 31 with the divider value to + * latch it. Technically we should wait until it has been + * cleared too. + * TODO: Find whether this callback is sleepable, in case + * the hardware /does/ require some sort of spinloop here. + */ + writel(div | BIT(31), reg); + + return 0; +} + +static const struct clk_ops r9a06g032_clk_div_ops = { + .recalc_rate = r9a06g032_div_recalc_rate, + .determine_rate = r9a06g032_div_determine_rate, + .set_rate = r9a06g032_div_set_rate, +}; + +static struct clk * +r9a06g032_register_div(struct r9a06g032_priv *clocks, + const char *parent_name, + const struct r9a06g032_clkdesc *desc) +{ + struct r9a06g032_clk_div *div; + struct clk *clk; + struct clk_init_data init = {}; + unsigned int i; + + div = kzalloc_obj(*div); + if (!div) + return NULL; + + init.name = desc->name; + init.ops = &r9a06g032_clk_div_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = parent_name ? &parent_name : NULL; + init.num_parents = parent_name ? 1 : 0; + + div->clocks = clocks; + div->index = desc->index; + div->reg = desc->div.reg; + div->hw.init = &init; + div->min = desc->div.min; + div->max = desc->div.max; + /* populate (optional) divider table fixed values */ + for (i = 0; i < ARRAY_SIZE(div->table) && + i < ARRAY_SIZE(desc->div.table) && desc->div.table[i]; i++) { + div->table[div->table_size++] = desc->div.table[i]; + } + + clk = clk_register(NULL, &div->hw); + if (IS_ERR(clk)) { + kfree(div); + return NULL; + } + return clk; +} + +/* + * This clock provider handles the case of the R9A06G032 where you have + * peripherals that have two potential clock source and two gates, one for + * each of the clock source - the used clock source (for all sub clocks) + * is selected by a single bit. + * That single bit affects all sub-clocks, and therefore needs to change the + * active gate (and turn the others off) and force a recalculation of the rates. + * + * This implements two clock providers, one 'bitselect' that + * handles the switch between both parents, and another 'dualgate' + * that knows which gate to poke at, depending on the parent's bit position. + */ +struct r9a06g032_clk_bitsel { + struct clk_hw hw; + struct r9a06g032_priv *clocks; + u16 index; + struct regbit selector; /* selector register + bit */ +}; + +#define to_clk_bitselect(_hw) \ + container_of(_hw, struct r9a06g032_clk_bitsel, hw) + +static u8 r9a06g032_clk_mux_get_parent(struct clk_hw *hw) +{ + struct r9a06g032_clk_bitsel *set = to_clk_bitselect(hw); + + return clk_rdesc_get(set->clocks, set->selector); +} + +static int r9a06g032_clk_mux_set_parent(struct clk_hw *hw, u8 index) +{ + struct r9a06g032_clk_bitsel *set = to_clk_bitselect(hw); + + /* a single bit in the register selects one of two parent clocks */ + clk_rdesc_set(set->clocks, set->selector, !!index); + + return 0; +} + +static const struct clk_ops clk_bitselect_ops = { + .determine_rate = clk_hw_determine_rate_no_reparent, + .get_parent = r9a06g032_clk_mux_get_parent, + .set_parent = r9a06g032_clk_mux_set_parent, +}; + +static struct clk * +r9a06g032_register_bitsel(struct r9a06g032_priv *clocks, + const char *parent_name, + const struct r9a06g032_clkdesc *desc) +{ + struct clk *clk; + struct r9a06g032_clk_bitsel *g; + struct clk_init_data init = {}; + const char *names[2]; + + /* allocate the gate */ + g = kzalloc_obj(*g); + if (!g) + return NULL; + + names[0] = parent_name; + names[1] = "clk_pll_usb"; + + init.name = desc->name; + init.ops = &clk_bitselect_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = names; + init.num_parents = 2; + + g->clocks = clocks; + g->index = desc->index; + g->selector = desc->dual.sel; + g->hw.init = &init; + + clk = clk_register(NULL, &g->hw); + if (IS_ERR(clk)) { + kfree(g); + return NULL; + } + return clk; +} + +struct r9a06g032_clk_dualgate { + struct clk_hw hw; + struct r9a06g032_priv *clocks; + u16 index; + struct regbit selector; /* selector register + bit */ + struct r9a06g032_gate gate[2]; +}; + +#define to_clk_dualgate(_hw) \ + container_of(_hw, struct r9a06g032_clk_dualgate, hw) + +static int +r9a06g032_clk_dualgate_setenable(struct r9a06g032_clk_dualgate *g, int enable) +{ + u8 sel_bit = clk_rdesc_get(g->clocks, g->selector); + + /* we always turn off the 'other' gate, regardless */ + r9a06g032_clk_gate_set(g->clocks, &g->gate[!sel_bit], 0); + r9a06g032_clk_gate_set(g->clocks, &g->gate[sel_bit], enable); + + return 0; +} + +static int r9a06g032_clk_dualgate_enable(struct clk_hw *hw) +{ + struct r9a06g032_clk_dualgate *gate = to_clk_dualgate(hw); + + r9a06g032_clk_dualgate_setenable(gate, 1); + + return 0; +} + +static void r9a06g032_clk_dualgate_disable(struct clk_hw *hw) +{ + struct r9a06g032_clk_dualgate *gate = to_clk_dualgate(hw); + + r9a06g032_clk_dualgate_setenable(gate, 0); +} + +static int r9a06g032_clk_dualgate_is_enabled(struct clk_hw *hw) +{ + struct r9a06g032_clk_dualgate *g = to_clk_dualgate(hw); + u8 sel_bit = clk_rdesc_get(g->clocks, g->selector); + + return clk_rdesc_get(g->clocks, g->gate[sel_bit].gate); +} + +static const struct clk_ops r9a06g032_clk_dualgate_ops = { + .enable = r9a06g032_clk_dualgate_enable, + .disable = r9a06g032_clk_dualgate_disable, + .is_enabled = r9a06g032_clk_dualgate_is_enabled, +}; + +static struct clk * +r9a06g032_register_dualgate(struct r9a06g032_priv *clocks, + const char *parent_name, + const struct r9a06g032_clkdesc *desc, + struct regbit sel) +{ + struct r9a06g032_clk_dualgate *g; + struct clk *clk; + struct clk_init_data init = {}; + + /* allocate the gate */ + g = kzalloc_obj(*g); + if (!g) + return NULL; + g->clocks = clocks; + g->index = desc->index; + g->selector = sel; + g->gate[0].gate = desc->dual.g1; + g->gate[0].reset = desc->dual.r1; + g->gate[1].gate = desc->dual.g2; + g->gate[1].reset = desc->dual.r2; + + init.name = desc->name; + init.ops = &r9a06g032_clk_dualgate_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = &parent_name; + init.num_parents = 1; + g->hw.init = &init; + /* + * important here, some clocks are already in use by the CM3, we + * have to assume they are not Linux's to play with and try to disable + * at the end of the boot! + */ + if (r9a06g032_clk_dualgate_is_enabled(&g->hw)) { + init.flags |= CLK_IS_CRITICAL; + pr_debug("%s was enabled, making read-only\n", desc->name); + } + + clk = clk_register(NULL, &g->hw); + if (IS_ERR(clk)) { + kfree(g); + return NULL; + } + return clk; +} + +static void r9a06g032_clocks_del_clk_provider(void *data) +{ + of_clk_del_provider(data); +} + +static int r9a06g032_restart_handler(struct sys_off_data *data) +{ + writel(R9A06G032_SYSCTRL_SWRST, sysctrl_priv->reg + R9A06G032_SYSCTRL_RSTCTRL); + return NOTIFY_DONE; +} + +static void __init r9a06g032_init_h2mode(struct r9a06g032_priv *clocks) +{ + struct device_node *usbf_np; + u32 usb; + + for_each_compatible_node(usbf_np, NULL, "renesas,rzn1-usbf") { + if (of_device_is_available(usbf_np)) + break; + } + + usb = readl(clocks->reg + R9A06G032_SYSCTRL_USB); + if (usbf_np) { + /* 1 host and 1 device mode */ + usb &= ~R9A06G032_SYSCTRL_USB_H2MODE; + of_node_put(usbf_np); + } else { + /* 2 hosts mode */ + usb |= R9A06G032_SYSCTRL_USB_H2MODE; + } + writel(usb, clocks->reg + R9A06G032_SYSCTRL_USB); +} + +static int __init r9a06g032_clocks_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + struct r9a06g032_priv *clocks; + struct clk **clks; + struct clk *mclk; + unsigned int i; + struct regbit uart_group_sel[2]; + int error; + + clocks = devm_kzalloc(dev, sizeof(*clocks), GFP_KERNEL); + clks = devm_kcalloc(dev, R9A06G032_CLOCK_COUNT, sizeof(struct clk *), + GFP_KERNEL); + if (!clocks || !clks) + return -ENOMEM; + + spin_lock_init(&clocks->lock); + + clocks->data.clks = clks; + clocks->data.clk_num = R9A06G032_CLOCK_COUNT; + + mclk = devm_clk_get(dev, "mclk"); + if (IS_ERR(mclk)) + return PTR_ERR(mclk); + + clocks->reg = devm_of_iomap(dev, np, 0, NULL); + if (IS_ERR(clocks->reg)) + return PTR_ERR(clocks->reg); + + r9a06g032_init_h2mode(clocks); + + /* Clear potentially pending resets */ + writel(R9A06G032_SYSCTRL_WDA7RST_0 | R9A06G032_SYSCTRL_WDA7RST_1, + clocks->reg + R9A06G032_SYSCTRL_RSTCTRL); + /* Allow watchdog and software resets */ + writel(R9A06G032_SYSCTRL_WDA7RST_0 | R9A06G032_SYSCTRL_WDA7RST_1 | + R9A06G032_SYSCTRL_SWRST | R9A06G032_SYSCTRL_RSTEN_MRESET_EN, + clocks->reg + R9A06G032_SYSCTRL_RSTEN); + + error = devm_register_sys_off_handler(dev, SYS_OFF_MODE_RESTART, SYS_OFF_PRIO_HIGH, + r9a06g032_restart_handler, NULL); + if (error) + dev_warn(dev, "couldn't register restart handler (%d)\n", error); + + for (i = 0; i < ARRAY_SIZE(r9a06g032_clocks); ++i) { + const struct r9a06g032_clkdesc *d = &r9a06g032_clocks[i]; + const char *parent_name = d->source ? + __clk_get_name(clocks->data.clks[d->source - 1]) : + __clk_get_name(mclk); + struct clk *clk = NULL; + + switch (d->type) { + case K_FFC: + clk = clk_register_fixed_factor(NULL, d->name, + parent_name, 0, + d->ffc.mul, + d->ffc.div); + break; + case K_GATE: + clk = r9a06g032_register_gate(clocks, parent_name, d); + break; + case K_DIV: + clk = r9a06g032_register_div(clocks, parent_name, d); + break; + case K_BITSEL: + /* keep that selector register around */ + uart_group_sel[d->dual.group] = d->dual.sel; + clk = r9a06g032_register_bitsel(clocks, parent_name, d); + break; + case K_DUALGATE: + clk = r9a06g032_register_dualgate(clocks, parent_name, + d, + uart_group_sel[d->dual.group]); + break; + } + clocks->data.clks[d->index] = clk; + } + error = of_clk_add_provider(np, of_clk_src_onecell_get, &clocks->data); + if (error) + return error; + + error = devm_add_action_or_reset(dev, + r9a06g032_clocks_del_clk_provider, np); + if (error) + return error; + + error = r9a06g032_add_clk_domain(dev); + if (error) + return error; + + sysctrl_priv = clocks; + + error = of_platform_populate(np, NULL, NULL, dev); + if (error) + dev_err(dev, "Failed to populate children (%d)\n", error); + + return 0; +} + +static const struct of_device_id r9a06g032_match[] = { + { .compatible = "renesas,r9a06g032-sysctrl" }, + { } +}; + +static struct platform_driver r9a06g032_clock_driver = { + .driver = { + .name = "renesas,r9a06g032-sysctrl", + .of_match_table = r9a06g032_match, + }, +}; + +static int __init r9a06g032_clocks_init(void) +{ + return platform_driver_probe(&r9a06g032_clock_driver, + r9a06g032_clocks_probe); +} + +subsys_initcall(r9a06g032_clocks_init); diff --git a/drivers/clk/renesas/r9a07g043-cpg.c b/drivers/clk/renesas/r9a07g043-cpg.c new file mode 100644 index 000000000..59d6ee2e8 --- /dev/null +++ b/drivers/clk/renesas/r9a07g043-cpg.c @@ -0,0 +1,433 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/G2UL CPG driver + * + * Copyright (C) 2022 Renesas Electronics Corp. + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/r9a07g043-cpg.h> + +#include "rzg2l-cpg.h" + +/* Specific registers. */ +#define CPG_PL2SDHI_DSEL (0x218) + +/* Clock select configuration. */ +#define SEL_SDHI0 SEL_PLL_PACK(CPG_PL2SDHI_DSEL, 0, 2) +#define SEL_SDHI1 SEL_PLL_PACK(CPG_PL2SDHI_DSEL, 4, 2) + +/* Clock status configuration. */ +#define SEL_SDHI0_STS SEL_PLL_PACK(CPG_CLKSTATUS, 28, 1) +#define SEL_SDHI1_STS SEL_PLL_PACK(CPG_CLKSTATUS, 29, 1) + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A07G043_CLK_P0_DIV2, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_OSC_DIV1000, + CLK_PLL1, + CLK_PLL2, + CLK_PLL2_DIV2, + CLK_PLL2_DIV2_8, + CLK_PLL2_DIV2_10, + CLK_PLL3, + CLK_PLL3_400, + CLK_PLL3_533, + CLK_PLL3_DIV2, + CLK_PLL3_DIV2_4, + CLK_PLL3_DIV2_4_2, + CLK_SEL_PLL3_3, + CLK_DIV_PLL3_C, +#ifdef CONFIG_ARM64 + CLK_M2_DIV2, + CLK_PLL5, + CLK_PLL5_500, + CLK_PLL5_250, + CLK_PLL5_FOUTPOSTDIV, + CLK_DSI_DIV, +#endif + CLK_PLL6, + CLK_PLL6_250, + CLK_P1_DIV2, + CLK_PLL2_800, + CLK_PLL2_SDHI_533, + CLK_PLL2_SDHI_400, + CLK_PLL2_SDHI_266, + CLK_SD0_DIV4, + CLK_SD1_DIV4, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +/* Divider tables */ +static const struct clk_div_table dtable_1_8[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {0, 0}, +}; + +static const struct clk_div_table dtable_1_32[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {4, 32}, + {0, 0}, +}; + +/* Mux clock tables */ +static const char * const sel_pll3_3[] = { ".pll3_533", ".pll3_400" }; +#ifdef CONFIG_ARM64 +static const char * const sel_pll6_2[] = { ".pll6_250", ".pll5_250" }; +#endif +static const char * const sel_sdhi[] = { ".clk_533", ".clk_400", ".clk_266" }; + +static const u32 mtable_sdhi[] = { 1, 2, 3 }; + +static const struct cpg_core_clk r9a07g043_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_FIXED(".osc", R9A07G043_OSCCLK, CLK_EXTAL, 1, 1), + DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000), + DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, CPG_SAM_PLL_CONF(0)), + DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3), + DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2), + DEF_FIXED(".clk_800", CLK_PLL2_800, CLK_PLL2, 1, 2), + DEF_FIXED(".clk_533", CLK_PLL2_SDHI_533, CLK_PLL2, 1, 3), + DEF_FIXED(".clk_400", CLK_PLL2_SDHI_400, CLK_PLL2_800, 1, 2), + DEF_FIXED(".clk_266", CLK_PLL2_SDHI_266, CLK_PLL2_SDHI_533, 1, 2), + DEF_FIXED(".pll2_div2_8", CLK_PLL2_DIV2_8, CLK_PLL2_DIV2, 1, 8), + DEF_FIXED(".pll2_div2_10", CLK_PLL2_DIV2_10, CLK_PLL2_DIV2, 1, 10), + DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3), + DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2), + DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4), + DEF_FIXED(".pll3_div2_4_2", CLK_PLL3_DIV2_4_2, CLK_PLL3_DIV2_4, 1, 2), + DEF_FIXED(".pll3_400", CLK_PLL3_400, CLK_PLL3, 1, 4), + DEF_FIXED(".pll3_533", CLK_PLL3_533, CLK_PLL3, 1, 3), + DEF_MUX_RO(".sel_pll3_3", CLK_SEL_PLL3_3, SEL_PLL3_3, sel_pll3_3), + DEF_DIV("divpl3c", CLK_DIV_PLL3_C, CLK_SEL_PLL3_3, DIVPL3C, dtable_1_32), +#ifdef CONFIG_ARM64 + DEF_FIXED(".pll5", CLK_PLL5, CLK_EXTAL, 125, 1), + DEF_FIXED(".pll5_500", CLK_PLL5_500, CLK_PLL5, 1, 6), + DEF_FIXED(".pll5_250", CLK_PLL5_250, CLK_PLL5_500, 1, 2), + DEF_PLL5_FOUTPOSTDIV(".pll5_foutpostdiv", CLK_PLL5_FOUTPOSTDIV, CLK_EXTAL), +#endif + DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6), + DEF_FIXED(".pll6_250", CLK_PLL6_250, CLK_PLL6, 1, 2), + + /* Core output clk */ + DEF_DIV("I", R9A07G043_CLK_I, CLK_PLL1, DIVPL1A, dtable_1_8), + DEF_DIV("P0", R9A07G043_CLK_P0, CLK_PLL2_DIV2_8, DIVPL2A, dtable_1_32), + DEF_FIXED("P0_DIV2", R9A07G043_CLK_P0_DIV2, R9A07G043_CLK_P0, 1, 2), + DEF_FIXED("TSU", R9A07G043_CLK_TSU, CLK_PLL2_DIV2_10, 1, 1), + DEF_DIV("P1", R9A07G043_CLK_P1, CLK_PLL3_DIV2_4, DIVPL3B, dtable_1_32), + DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A07G043_CLK_P1, 1, 2), + DEF_DIV("P2", R9A07G043_CLK_P2, CLK_PLL3_DIV2_4_2, DIVPL3A, dtable_1_32), + DEF_FIXED("M0", R9A07G043_CLK_M0, CLK_PLL3_DIV2_4, 1, 1), + DEF_FIXED("ZT", R9A07G043_CLK_ZT, CLK_PLL3_DIV2_4_2, 1, 1), +#ifdef CONFIG_ARM64 + DEF_MUX("HP", R9A07G043_CLK_HP, SEL_PLL6_2, sel_pll6_2), +#endif +#ifdef CONFIG_RISCV + DEF_FIXED("HP", R9A07G043_CLK_HP, CLK_PLL6_250, 1, 1), +#endif + DEF_FIXED("SPI0", R9A07G043_CLK_SPI0, CLK_DIV_PLL3_C, 1, 2), + DEF_FIXED("SPI1", R9A07G043_CLK_SPI1, CLK_DIV_PLL3_C, 1, 4), + DEF_SD_MUX("SD0", R9A07G043_CLK_SD0, SEL_SDHI0, SEL_SDHI0_STS, sel_sdhi, + mtable_sdhi, 0, rzg2l_cpg_sd_clk_mux_notifier), + DEF_SD_MUX("SD1", R9A07G043_CLK_SD1, SEL_SDHI1, SEL_SDHI1_STS, sel_sdhi, + mtable_sdhi, 0, rzg2l_cpg_sd_clk_mux_notifier), + DEF_FIXED("SD0_DIV4", CLK_SD0_DIV4, R9A07G043_CLK_SD0, 1, 4), + DEF_FIXED("SD1_DIV4", CLK_SD1_DIV4, R9A07G043_CLK_SD1, 1, 4), +#ifdef CONFIG_ARM64 + DEF_FIXED("M2", R9A07G043_CLK_M2, CLK_PLL3_533, 1, 2), + DEF_FIXED("M2_DIV2", CLK_M2_DIV2, R9A07G043_CLK_M2, 1, 2), + DEF_DSI_DIV("DSI_DIV", CLK_DSI_DIV, CLK_PLL5_FOUTPOSTDIV, CLK_SET_RATE_PARENT), + DEF_FIXED("M3", R9A07G043_CLK_M3, CLK_DSI_DIV, 1, 1), +#endif +}; + +static const struct rzg2l_mod_clk r9a07g043_mod_clks[] = { +#ifdef CONFIG_ARM64 + DEF_MOD("gic", R9A07G043_GIC600_GICCLK, R9A07G043_CLK_P1, + 0x514, 0, MSTOP(BUS_REG1, BIT(7))), + DEF_MOD("ia55_pclk", R9A07G043_IA55_PCLK, R9A07G043_CLK_P2, + 0x518, 0, MSTOP(BUS_PERI_CPU, BIT(13))), + DEF_MOD("ia55_clk", R9A07G043_IA55_CLK, R9A07G043_CLK_P1, + 0x518, 1, MSTOP(BUS_PERI_CPU, BIT(13))), +#endif +#ifdef CONFIG_RISCV + DEF_MOD("iax45_pclk", R9A07G043_IAX45_PCLK, R9A07G043_CLK_P2, + 0x518, 0, MSTOP(BUS_PERI_CPU, BIT(13))), + DEF_MOD("iax45_clk", R9A07G043_IAX45_CLK, R9A07G043_CLK_P1, + 0x518, 1, MSTOP(BUS_PERI_CPU, BIT(13))), +#endif + DEF_MOD("dmac_aclk", R9A07G043_DMAC_ACLK, R9A07G043_CLK_P1, + 0x52c, 0, MSTOP(BUS_REG1, BIT(2))), + DEF_MOD("dmac_pclk", R9A07G043_DMAC_PCLK, CLK_P1_DIV2, + 0x52c, 1, MSTOP(BUS_REG1, BIT(3))), + DEF_MOD("ostm0_pclk", R9A07G043_OSTM0_PCLK, R9A07G043_CLK_P0, + 0x534, 0, MSTOP(BUS_REG0, BIT(4))), + DEF_MOD("ostm1_pclk", R9A07G043_OSTM1_PCLK, R9A07G043_CLK_P0, + 0x534, 1, MSTOP(BUS_REG0, BIT(5))), + DEF_MOD("ostm2_pclk", R9A07G043_OSTM2_PCLK, R9A07G043_CLK_P0, + 0x534, 2, MSTOP(BUS_REG0, BIT(6))), + DEF_MOD("mtu_x_mck", R9A07G043_MTU_X_MCK_MTU3, R9A07G043_CLK_P0, + 0x538, 0, MSTOP(BUS_MCPU1, BIT(2))), + DEF_MOD("wdt0_pclk", R9A07G043_WDT0_PCLK, R9A07G043_CLK_P0, + 0x548, 0, MSTOP(BUS_REG0, BIT(2))), + DEF_MOD("wdt0_clk", R9A07G043_WDT0_CLK, R9A07G043_OSCCLK, + 0x548, 1, MSTOP(BUS_REG0, BIT(2))), + DEF_MOD("spi_clk2", R9A07G043_SPI_CLK2, R9A07G043_CLK_SPI1, + 0x550, 0, MSTOP(BUS_MCPU1, BIT(1))), + DEF_MOD("spi_clk", R9A07G043_SPI_CLK, R9A07G043_CLK_SPI0, + 0x550, 1, MSTOP(BUS_MCPU1, BIT(1))), + DEF_MOD("sdhi0_imclk", R9A07G043_SDHI0_IMCLK, CLK_SD0_DIV4, + 0x554, 0, MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi0_imclk2", R9A07G043_SDHI0_IMCLK2, CLK_SD0_DIV4, + 0x554, 1, MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi0_clk_hs", R9A07G043_SDHI0_CLK_HS, R9A07G043_CLK_SD0, + 0x554, 2, MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi0_aclk", R9A07G043_SDHI0_ACLK, R9A07G043_CLK_P1, + 0x554, 3, MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi1_imclk", R9A07G043_SDHI1_IMCLK, CLK_SD1_DIV4, + 0x554, 4, MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi1_imclk2", R9A07G043_SDHI1_IMCLK2, CLK_SD1_DIV4, + 0x554, 5, MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi1_clk_hs", R9A07G043_SDHI1_CLK_HS, R9A07G043_CLK_SD1, + 0x554, 6, MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi1_aclk", R9A07G043_SDHI1_ACLK, R9A07G043_CLK_P1, + 0x554, 7, MSTOP(BUS_PERI_COM, BIT(1))), +#ifdef CONFIG_ARM64 + DEF_MOD("cru_sysclk", R9A07G043_CRU_SYSCLK, CLK_M2_DIV2, + 0x564, 0, MSTOP(BUS_PERI_VIDEO, BIT(3))), + DEF_MOD("cru_vclk", R9A07G043_CRU_VCLK, R9A07G043_CLK_M2, + 0x564, 1, MSTOP(BUS_PERI_VIDEO, BIT(3))), + DEF_MOD("cru_pclk", R9A07G043_CRU_PCLK, R9A07G043_CLK_ZT, + 0x564, 2, MSTOP(BUS_PERI_VIDEO, BIT(3))), + DEF_MOD("cru_aclk", R9A07G043_CRU_ACLK, R9A07G043_CLK_M0, + 0x564, 3, MSTOP(BUS_PERI_VIDEO, BIT(3))), + DEF_COUPLED("lcdc_clk_a", R9A07G043_LCDC_CLK_A, R9A07G043_CLK_M0, + 0x56c, 0, MSTOP(BUS_PERI_VIDEO, GENMASK(8, 7))), + DEF_COUPLED("lcdc_clk_p", R9A07G043_LCDC_CLK_P, R9A07G043_CLK_ZT, + 0x56c, 0, MSTOP(BUS_PERI_VIDEO, GENMASK(8, 7))), + DEF_MOD("lcdc_clk_d", R9A07G043_LCDC_CLK_D, R9A07G043_CLK_M3, + 0x56c, 1, MSTOP(BUS_PERI_VIDEO, BIT(9))), +#endif + DEF_MOD("ssi0_pclk", R9A07G043_SSI0_PCLK2, R9A07G043_CLK_P0, + 0x570, 0, MSTOP(BUS_MCPU1, BIT(10))), + DEF_MOD("ssi0_sfr", R9A07G043_SSI0_PCLK_SFR, R9A07G043_CLK_P0, + 0x570, 1, MSTOP(BUS_MCPU1, BIT(10))), + DEF_MOD("ssi1_pclk", R9A07G043_SSI1_PCLK2, R9A07G043_CLK_P0, + 0x570, 2, MSTOP(BUS_MCPU1, BIT(11))), + DEF_MOD("ssi1_sfr", R9A07G043_SSI1_PCLK_SFR, R9A07G043_CLK_P0, + 0x570, 3, MSTOP(BUS_MCPU1, BIT(11))), + DEF_MOD("ssi2_pclk", R9A07G043_SSI2_PCLK2, R9A07G043_CLK_P0, + 0x570, 4, MSTOP(BUS_MCPU1, BIT(12))), + DEF_MOD("ssi2_sfr", R9A07G043_SSI2_PCLK_SFR, R9A07G043_CLK_P0, + 0x570, 5, MSTOP(BUS_MCPU1, BIT(12))), + DEF_MOD("ssi3_pclk", R9A07G043_SSI3_PCLK2, R9A07G043_CLK_P0, + 0x570, 6, MSTOP(BUS_MCPU1, BIT(13))), + DEF_MOD("ssi3_sfr", R9A07G043_SSI3_PCLK_SFR, R9A07G043_CLK_P0, + 0x570, 7, MSTOP(BUS_MCPU1, BIT(13))), + DEF_MOD("usb0_host", R9A07G043_USB_U2H0_HCLK, R9A07G043_CLK_P1, + 0x578, 0, MSTOP(BUS_PERI_COM, BIT(5))), + DEF_MOD("usb1_host", R9A07G043_USB_U2H1_HCLK, R9A07G043_CLK_P1, + 0x578, 1, MSTOP(BUS_PERI_COM, BIT(7))), + DEF_MOD("usb0_func", R9A07G043_USB_U2P_EXR_CPUCLK, R9A07G043_CLK_P1, + 0x578, 2, MSTOP(BUS_PERI_COM, BIT(6))), + DEF_MOD("usb_pclk", R9A07G043_USB_PCLK, R9A07G043_CLK_P1, + 0x578, 3, MSTOP(BUS_PERI_COM, BIT(4))), + DEF_COUPLED("eth0_axi", R9A07G043_ETH0_CLK_AXI, R9A07G043_CLK_M0, + 0x57c, 0, MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth0_chi", R9A07G043_ETH0_CLK_CHI, R9A07G043_CLK_ZT, + 0x57c, 0, MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth1_axi", R9A07G043_ETH1_CLK_AXI, R9A07G043_CLK_M0, + 0x57c, 1, MSTOP(BUS_PERI_COM, BIT(3))), + DEF_COUPLED("eth1_chi", R9A07G043_ETH1_CLK_CHI, R9A07G043_CLK_ZT, + 0x57c, 1, MSTOP(BUS_PERI_COM, BIT(3))), + DEF_MOD("i2c0", R9A07G043_I2C0_PCLK, R9A07G043_CLK_P0, + 0x580, 0, MSTOP(BUS_MCPU2, BIT(10))), + DEF_MOD("i2c1", R9A07G043_I2C1_PCLK, R9A07G043_CLK_P0, + 0x580, 1, MSTOP(BUS_MCPU2, BIT(11))), + DEF_MOD("i2c2", R9A07G043_I2C2_PCLK, R9A07G043_CLK_P0, + 0x580, 2, MSTOP(BUS_MCPU2, BIT(12))), + DEF_MOD("i2c3", R9A07G043_I2C3_PCLK, R9A07G043_CLK_P0, + 0x580, 3, MSTOP(BUS_MCPU2, BIT(13))), + DEF_MOD("scif0", R9A07G043_SCIF0_CLK_PCK, R9A07G043_CLK_P0, + 0x584, 0, MSTOP(BUS_MCPU2, BIT(1))), + DEF_MOD("scif1", R9A07G043_SCIF1_CLK_PCK, R9A07G043_CLK_P0, + 0x584, 1, MSTOP(BUS_MCPU2, BIT(2))), + DEF_MOD("scif2", R9A07G043_SCIF2_CLK_PCK, R9A07G043_CLK_P0, + 0x584, 2, MSTOP(BUS_MCPU2, BIT(3))), + DEF_MOD("scif3", R9A07G043_SCIF3_CLK_PCK, R9A07G043_CLK_P0, + 0x584, 3, MSTOP(BUS_MCPU2, BIT(4))), + DEF_MOD("scif4", R9A07G043_SCIF4_CLK_PCK, R9A07G043_CLK_P0, + 0x584, 4, MSTOP(BUS_MCPU2, BIT(5))), + DEF_MOD("sci0", R9A07G043_SCI0_CLKP, R9A07G043_CLK_P0, + 0x588, 0, MSTOP(BUS_MCPU2, BIT(7))), + DEF_MOD("sci1", R9A07G043_SCI1_CLKP, R9A07G043_CLK_P0, + 0x588, 1, MSTOP(BUS_MCPU2, BIT(8))), + DEF_MOD("rspi0", R9A07G043_RSPI0_CLKB, R9A07G043_CLK_P0, + 0x590, 0, MSTOP(BUS_MCPU1, BIT(14))), + DEF_MOD("rspi1", R9A07G043_RSPI1_CLKB, R9A07G043_CLK_P0, + 0x590, 1, MSTOP(BUS_MCPU1, BIT(15))), + DEF_MOD("rspi2", R9A07G043_RSPI2_CLKB, R9A07G043_CLK_P0, + 0x590, 2, MSTOP(BUS_MCPU2, BIT(0))), + DEF_MOD("canfd", R9A07G043_CANFD_PCLK, R9A07G043_CLK_P0, + 0x594, 0, MSTOP(BUS_MCPU2, BIT(9))), + DEF_MOD("gpio", R9A07G043_GPIO_HCLK, R9A07G043_OSCCLK, + 0x598, 0, MSTOP(BUS_PERI_CPU, BIT(6))), + DEF_MOD("adc_adclk", R9A07G043_ADC_ADCLK, R9A07G043_CLK_TSU, + 0x5a8, 0, MSTOP(BUS_MCPU2, BIT(14))), + DEF_MOD("adc_pclk", R9A07G043_ADC_PCLK, R9A07G043_CLK_P0, + 0x5a8, 1, MSTOP(BUS_MCPU2, BIT(14))), + DEF_MOD("tsu_pclk", R9A07G043_TSU_PCLK, R9A07G043_CLK_TSU, + 0x5ac, 0, MSTOP(BUS_MCPU2, BIT(15))), +#ifdef CONFIG_RISCV + DEF_MOD("nceplic_aclk", R9A07G043_NCEPLIC_ACLK, R9A07G043_CLK_P1, + 0x608, 0, MSTOP(BUS_REG1, BIT(7))), +#endif +}; + +static const struct rzg2l_reset r9a07g043_resets[] = { +#ifdef CONFIG_ARM64 + DEF_RST(R9A07G043_GIC600_GICRESET_N, 0x814, 0), + DEF_RST(R9A07G043_GIC600_DBG_GICRESET_N, 0x814, 1), + DEF_RST(R9A07G043_IA55_RESETN, 0x818, 0), +#endif +#ifdef CONFIG_RISCV + DEF_RST(R9A07G043_IAX45_RESETN, 0x818, 0), +#endif + DEF_RST(R9A07G043_DMAC_ARESETN, 0x82c, 0), + DEF_RST(R9A07G043_DMAC_RST_ASYNC, 0x82c, 1), + DEF_RST(R9A07G043_OSTM0_PRESETZ, 0x834, 0), + DEF_RST(R9A07G043_OSTM1_PRESETZ, 0x834, 1), + DEF_RST(R9A07G043_OSTM2_PRESETZ, 0x834, 2), + DEF_RST(R9A07G043_MTU_X_PRESET_MTU3, 0x838, 0), + DEF_RST(R9A07G043_WDT0_PRESETN, 0x848, 0), + DEF_RST(R9A07G043_SPI_RST, 0x850, 0), + DEF_RST(R9A07G043_SDHI0_IXRST, 0x854, 0), + DEF_RST(R9A07G043_SDHI1_IXRST, 0x854, 1), +#ifdef CONFIG_ARM64 + DEF_RST(R9A07G043_CRU_CMN_RSTB, 0x864, 0), + DEF_RST(R9A07G043_CRU_PRESETN, 0x864, 1), + DEF_RST(R9A07G043_CRU_ARESETN, 0x864, 2), + DEF_RST(R9A07G043_LCDC_RESET_N, 0x86c, 0), +#endif + DEF_RST(R9A07G043_SSI0_RST_M2_REG, 0x870, 0), + DEF_RST(R9A07G043_SSI1_RST_M2_REG, 0x870, 1), + DEF_RST(R9A07G043_SSI2_RST_M2_REG, 0x870, 2), + DEF_RST(R9A07G043_SSI3_RST_M2_REG, 0x870, 3), + DEF_RST(R9A07G043_USB_U2H0_HRESETN, 0x878, 0), + DEF_RST(R9A07G043_USB_U2H1_HRESETN, 0x878, 1), + DEF_RST(R9A07G043_USB_U2P_EXL_SYSRST, 0x878, 2), + DEF_RST(R9A07G043_USB_PRESETN, 0x878, 3), + DEF_RST(R9A07G043_ETH0_RST_HW_N, 0x87c, 0), + DEF_RST(R9A07G043_ETH1_RST_HW_N, 0x87c, 1), + DEF_RST(R9A07G043_I2C0_MRST, 0x880, 0), + DEF_RST(R9A07G043_I2C1_MRST, 0x880, 1), + DEF_RST(R9A07G043_I2C2_MRST, 0x880, 2), + DEF_RST(R9A07G043_I2C3_MRST, 0x880, 3), + DEF_RST(R9A07G043_SCIF0_RST_SYSTEM_N, 0x884, 0), + DEF_RST(R9A07G043_SCIF1_RST_SYSTEM_N, 0x884, 1), + DEF_RST(R9A07G043_SCIF2_RST_SYSTEM_N, 0x884, 2), + DEF_RST(R9A07G043_SCIF3_RST_SYSTEM_N, 0x884, 3), + DEF_RST(R9A07G043_SCIF4_RST_SYSTEM_N, 0x884, 4), + DEF_RST(R9A07G043_SCI0_RST, 0x888, 0), + DEF_RST(R9A07G043_SCI1_RST, 0x888, 1), + DEF_RST(R9A07G043_RSPI0_RST, 0x890, 0), + DEF_RST(R9A07G043_RSPI1_RST, 0x890, 1), + DEF_RST(R9A07G043_RSPI2_RST, 0x890, 2), + DEF_RST(R9A07G043_CANFD_RSTP_N, 0x894, 0), + DEF_RST(R9A07G043_CANFD_RSTC_N, 0x894, 1), + DEF_RST(R9A07G043_GPIO_RSTN, 0x898, 0), + DEF_RST(R9A07G043_GPIO_PORT_RESETN, 0x898, 1), + DEF_RST(R9A07G043_GPIO_SPARE_RESETN, 0x898, 2), + DEF_RST(R9A07G043_ADC_PRESETN, 0x8a8, 0), + DEF_RST(R9A07G043_ADC_ADRST_N, 0x8a8, 1), + DEF_RST(R9A07G043_TSU_PRESETN, 0x8ac, 0), +#ifdef CONFIG_RISCV + DEF_RST(R9A07G043_NCEPLIC_ARESETN, 0x908, 0), +#endif + +}; + +static const unsigned int r9a07g043_crit_mod_clks[] __initconst = { +#ifdef CONFIG_ARM64 + MOD_CLK_BASE + R9A07G043_GIC600_GICCLK, + MOD_CLK_BASE + R9A07G043_IA55_CLK, +#endif +#ifdef CONFIG_RISCV + MOD_CLK_BASE + R9A07G043_IAX45_CLK, + MOD_CLK_BASE + R9A07G043_NCEPLIC_ACLK, +#endif + MOD_CLK_BASE + R9A07G043_DMAC_ACLK, +}; + +static const unsigned int r9a07g043_crit_resets[] = { + R9A07G043_DMAC_ARESETN, + R9A07G043_DMAC_RST_ASYNC, +}; + +#ifdef CONFIG_ARM64 +static const unsigned int r9a07g043_no_pm_mod_clks[] = { + MOD_CLK_BASE + R9A07G043_CRU_SYSCLK, + MOD_CLK_BASE + R9A07G043_CRU_VCLK, +}; +#endif + +const struct rzg2l_cpg_info r9a07g043_cpg_info = { + /* Core Clocks */ + .core_clks = r9a07g043_core_clks, + .num_core_clks = ARRAY_SIZE(r9a07g043_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Critical Module Clocks */ + .crit_mod_clks = r9a07g043_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r9a07g043_crit_mod_clks), + + /* Module Clocks */ + .mod_clks = r9a07g043_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a07g043_mod_clks), +#ifdef CONFIG_ARM64 + .num_hw_mod_clks = R9A07G043_TSU_PCLK + 1, + + /* No PM Module Clocks */ + .no_pm_mod_clks = r9a07g043_no_pm_mod_clks, + .num_no_pm_mod_clks = ARRAY_SIZE(r9a07g043_no_pm_mod_clks), +#endif +#ifdef CONFIG_RISCV + .num_hw_mod_clks = R9A07G043_IAX45_PCLK + 1, +#endif + + /* Resets */ + .resets = r9a07g043_resets, +#ifdef CONFIG_ARM64 + .num_resets = R9A07G043_TSU_PRESETN + 1, /* Last reset ID + 1 */ +#endif +#ifdef CONFIG_RISCV + .num_resets = R9A07G043_IAX45_RESETN + 1, /* Last reset ID + 1 */ +#endif + + /* Critical Resets */ + .crit_resets = r9a07g043_crit_resets, + .num_crit_resets = ARRAY_SIZE(r9a07g043_crit_resets), + + .has_clk_mon_regs = true, +}; diff --git a/drivers/clk/renesas/r9a07g044-cpg.c b/drivers/clk/renesas/r9a07g044-cpg.c new file mode 100644 index 000000000..913cca6dd --- /dev/null +++ b/drivers/clk/renesas/r9a07g044-cpg.c @@ -0,0 +1,566 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/G2L CPG driver + * + * Copyright (C) 2021 Renesas Electronics Corp. + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/r9a07g044-cpg.h> +#include <dt-bindings/clock/r9a07g054-cpg.h> + +#include "rzg2l-cpg.h" + +/* Specific registers. */ +#define CPG_PL2SDHI_DSEL (0x218) + +/* Clock select configuration. */ +#define SEL_SDHI0 SEL_PLL_PACK(CPG_PL2SDHI_DSEL, 0, 2) +#define SEL_SDHI1 SEL_PLL_PACK(CPG_PL2SDHI_DSEL, 4, 2) + +/* Clock status configuration. */ +#define SEL_SDHI0_STS SEL_PLL_PACK(CPG_CLKSTATUS, 28, 1) +#define SEL_SDHI1_STS SEL_PLL_PACK(CPG_CLKSTATUS, 29, 1) + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A07G054_CLK_DRP_A, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_OSC_DIV1000, + CLK_PLL1, + CLK_PLL2, + CLK_PLL2_DIV2, + CLK_PLL2_DIV2_8, + CLK_PLL2_DIV2_10, + CLK_PLL3, + CLK_PLL3_400, + CLK_PLL3_533, + CLK_M2_DIV2, + CLK_PLL3_DIV2, + CLK_PLL3_DIV2_2, + CLK_PLL3_DIV2_4, + CLK_PLL3_DIV2_4_2, + CLK_SEL_PLL3_3, + CLK_DIV_PLL3_C, + CLK_PLL4, + CLK_PLL5, + CLK_PLL5_FOUTPOSTDIV, + CLK_PLL5_FOUT1PH0, + CLK_PLL5_FOUT3, + CLK_PLL5_250, + CLK_PLL6, + CLK_PLL6_250, + CLK_P1_DIV2, + CLK_PLL2_800, + CLK_PLL2_SDHI_533, + CLK_PLL2_SDHI_400, + CLK_PLL2_SDHI_266, + CLK_SD0_DIV4, + CLK_SD1_DIV4, + CLK_SEL_GPU2, + CLK_SEL_PLL5_4, + CLK_DSI_DIV, + CLK_PLL2_533, + CLK_PLL2_533_DIV2, + CLK_DIV_DSI_LPCLK, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +/* Divider tables */ +static const struct clk_div_table dtable_1_8[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {0, 0}, +}; + +static const struct clk_div_table dtable_1_32[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {4, 32}, + {0, 0}, +}; + +#ifdef CONFIG_CLK_R9A07G054 +static const struct clk_div_table dtable_4_32[] = { + {3, 4}, + {4, 5}, + {5, 6}, + {6, 7}, + {7, 8}, + {8, 9}, + {9, 10}, + {10, 11}, + {11, 12}, + {12, 13}, + {13, 14}, + {14, 15}, + {15, 16}, + {16, 17}, + {17, 18}, + {18, 19}, + {19, 20}, + {20, 21}, + {21, 22}, + {22, 23}, + {23, 24}, + {24, 25}, + {25, 26}, + {26, 27}, + {27, 28}, + {28, 29}, + {29, 30}, + {30, 31}, + {31, 32}, + {0, 0}, +}; +#endif + +static const struct clk_div_table dtable_16_128[] = { + {0, 16}, + {1, 32}, + {2, 64}, + {3, 128}, + {0, 0}, +}; + +/* Mux clock tables */ +static const char * const sel_pll3_3[] = { ".pll3_533", ".pll3_400" }; +static const char * const sel_pll5_4[] = { ".pll5_foutpostdiv", ".pll5_fout1ph0" }; +static const char * const sel_pll6_2[] = { ".pll6_250", ".pll5_250" }; +static const char * const sel_sdhi[] = { ".clk_533", ".clk_400", ".clk_266" }; +static const char * const sel_gpu2[] = { ".pll6", ".pll3_div2_2" }; + +static const u32 mtable_sdhi[] = { 1, 2, 3 }; + +static const struct { + struct cpg_core_clk common[56]; +#ifdef CONFIG_CLK_R9A07G054 + struct cpg_core_clk drp[3]; +#endif +} core_clks __initconst = { + .common = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_FIXED(".osc", R9A07G044_OSCCLK, CLK_EXTAL, 1, 1), + DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000), + DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, CPG_SAM_PLL_CONF(0)), + DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3), + DEF_FIXED(".pll2_533", CLK_PLL2_533, CLK_PLL2, 1, 3), + DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3), + DEF_FIXED(".pll3_400", CLK_PLL3_400, CLK_PLL3, 1, 4), + DEF_FIXED(".pll3_533", CLK_PLL3_533, CLK_PLL3, 1, 3), + + DEF_FIXED(".pll5", CLK_PLL5, CLK_EXTAL, 125, 1), + DEF_FIXED(".pll5_fout3", CLK_PLL5_FOUT3, CLK_PLL5, 1, 6), + + DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6), + + DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2), + DEF_FIXED(".clk_800", CLK_PLL2_800, CLK_PLL2, 1, 2), + DEF_FIXED(".clk_533", CLK_PLL2_SDHI_533, CLK_PLL2, 1, 3), + DEF_FIXED(".clk_400", CLK_PLL2_SDHI_400, CLK_PLL2_800, 1, 2), + DEF_FIXED(".clk_266", CLK_PLL2_SDHI_266, CLK_PLL2_SDHI_533, 1, 2), + + DEF_FIXED(".pll2_div2_8", CLK_PLL2_DIV2_8, CLK_PLL2_DIV2, 1, 8), + DEF_FIXED(".pll2_div2_10", CLK_PLL2_DIV2_10, CLK_PLL2_DIV2, 1, 10), + + DEF_FIXED(".pll2_533_div2", CLK_PLL2_533_DIV2, CLK_PLL2_533, 1, 2), + + DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2), + DEF_FIXED(".pll3_div2_2", CLK_PLL3_DIV2_2, CLK_PLL3_DIV2, 1, 2), + DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4), + DEF_FIXED(".pll3_div2_4_2", CLK_PLL3_DIV2_4_2, CLK_PLL3_DIV2_4, 1, 2), + DEF_MUX_RO(".sel_pll3_3", CLK_SEL_PLL3_3, SEL_PLL3_3, sel_pll3_3), + DEF_DIV("divpl3c", CLK_DIV_PLL3_C, CLK_SEL_PLL3_3, DIVPL3C, dtable_1_32), + + DEF_FIXED(".pll5_250", CLK_PLL5_250, CLK_PLL5_FOUT3, 1, 2), + DEF_FIXED(".pll6_250", CLK_PLL6_250, CLK_PLL6, 1, 2), + DEF_MUX_RO(".sel_gpu2", CLK_SEL_GPU2, SEL_GPU2, sel_gpu2), + DEF_PLL5_FOUTPOSTDIV(".pll5_foutpostdiv", CLK_PLL5_FOUTPOSTDIV, CLK_EXTAL), + DEF_FIXED(".pll5_fout1ph0", CLK_PLL5_FOUT1PH0, CLK_PLL5_FOUTPOSTDIV, 1, 2), + DEF_PLL5_4_MUX(".sel_pll5_4", CLK_SEL_PLL5_4, SEL_PLL5_4, sel_pll5_4), + DEF_DIV(".div_dsi_lpclk", CLK_DIV_DSI_LPCLK, CLK_PLL2_533_DIV2, + DIVDSILPCLK, dtable_16_128), + + /* Core output clk */ + DEF_DIV("I", R9A07G044_CLK_I, CLK_PLL1, DIVPL1A, dtable_1_8), + DEF_DIV("P0", R9A07G044_CLK_P0, CLK_PLL2_DIV2_8, DIVPL2A, dtable_1_32), + DEF_FIXED("P0_DIV2", R9A07G044_CLK_P0_DIV2, R9A07G044_CLK_P0, 1, 2), + DEF_FIXED("TSU", R9A07G044_CLK_TSU, CLK_PLL2_DIV2_10, 1, 1), + DEF_DIV("P1", R9A07G044_CLK_P1, CLK_PLL3_DIV2_4, DIVPL3B, dtable_1_32), + DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A07G044_CLK_P1, 1, 2), + DEF_DIV("P2", R9A07G044_CLK_P2, CLK_PLL3_DIV2_4_2, DIVPL3A, dtable_1_32), + DEF_FIXED("M0", R9A07G044_CLK_M0, CLK_PLL3_DIV2_4, 1, 1), + DEF_FIXED("ZT", R9A07G044_CLK_ZT, CLK_PLL3_DIV2_4_2, 1, 1), + DEF_MUX("HP", R9A07G044_CLK_HP, SEL_PLL6_2, sel_pll6_2), + DEF_FIXED("SPI0", R9A07G044_CLK_SPI0, CLK_DIV_PLL3_C, 1, 2), + DEF_FIXED("SPI1", R9A07G044_CLK_SPI1, CLK_DIV_PLL3_C, 1, 4), + DEF_SD_MUX("SD0", R9A07G044_CLK_SD0, SEL_SDHI0, SEL_SDHI0_STS, sel_sdhi, + mtable_sdhi, 0, rzg2l_cpg_sd_clk_mux_notifier), + DEF_SD_MUX("SD1", R9A07G044_CLK_SD1, SEL_SDHI1, SEL_SDHI1_STS, sel_sdhi, + mtable_sdhi, 0, rzg2l_cpg_sd_clk_mux_notifier), + DEF_FIXED("SD0_DIV4", CLK_SD0_DIV4, R9A07G044_CLK_SD0, 1, 4), + DEF_FIXED("SD1_DIV4", CLK_SD1_DIV4, R9A07G044_CLK_SD1, 1, 4), + DEF_DIV("G", R9A07G044_CLK_G, CLK_SEL_GPU2, DIVGPU, dtable_1_8), + DEF_FIXED("M1", R9A07G044_CLK_M1, CLK_PLL5_FOUTPOSTDIV, 1, 1), + DEF_FIXED("M2", R9A07G044_CLK_M2, CLK_PLL3_533, 1, 2), + DEF_FIXED("M2_DIV2", CLK_M2_DIV2, R9A07G044_CLK_M2, 1, 2), + DEF_DSI_DIV("DSI_DIV", CLK_DSI_DIV, CLK_SEL_PLL5_4, CLK_SET_RATE_PARENT), + DEF_FIXED("M3", R9A07G044_CLK_M3, CLK_DSI_DIV, 1, 1), + DEF_FIXED("M4", R9A07G044_CLK_M4, CLK_DIV_DSI_LPCLK, 1, 1), + }, +#ifdef CONFIG_CLK_R9A07G054 + .drp = { + DEF_FIXED("DRP_M", R9A07G054_CLK_DRP_M, CLK_PLL3, 1, 5), + DEF_FIXED("DRP_D", R9A07G054_CLK_DRP_D, CLK_PLL3, 1, 2), + DEF_DIV("DRP_A", R9A07G054_CLK_DRP_A, CLK_PLL3, DIVPL3E, dtable_4_32), + }, +#endif +}; + +static const struct { + struct rzg2l_mod_clk common[79]; +#ifdef CONFIG_CLK_R9A07G054 + struct rzg2l_mod_clk drp[5]; +#endif +} mod_clks = { + .common = { + DEF_MOD("gic", R9A07G044_GIC600_GICCLK, R9A07G044_CLK_P1, + 0x514, 0, MSTOP(BUS_REG1, BIT(7))), + DEF_MOD("ia55_pclk", R9A07G044_IA55_PCLK, R9A07G044_CLK_P2, + 0x518, 0, MSTOP(BUS_PERI_CPU, BIT(13))), + DEF_MOD("ia55_clk", R9A07G044_IA55_CLK, R9A07G044_CLK_P1, + 0x518, 1, MSTOP(BUS_PERI_CPU, BIT(13))), + DEF_MOD("dmac_aclk", R9A07G044_DMAC_ACLK, R9A07G044_CLK_P1, + 0x52c, 0, MSTOP(BUS_REG1, BIT(2))), + DEF_MOD("dmac_pclk", R9A07G044_DMAC_PCLK, CLK_P1_DIV2, + 0x52c, 1, MSTOP(BUS_REG1, BIT(3))), + DEF_MOD("ostm0_pclk", R9A07G044_OSTM0_PCLK, R9A07G044_CLK_P0, + 0x534, 0, MSTOP(BUS_REG0, BIT(4))), + DEF_MOD("ostm1_pclk", R9A07G044_OSTM1_PCLK, R9A07G044_CLK_P0, + 0x534, 1, MSTOP(BUS_REG0, BIT(5))), + DEF_MOD("ostm2_pclk", R9A07G044_OSTM2_PCLK, R9A07G044_CLK_P0, + 0x534, 2, MSTOP(BUS_REG0, BIT(6))), + DEF_MOD("mtu_x_mck", R9A07G044_MTU_X_MCK_MTU3, R9A07G044_CLK_P0, + 0x538, 0, MSTOP(BUS_MCPU1, BIT(2))), + DEF_MOD("gpt_pclk", R9A07G044_GPT_PCLK, R9A07G044_CLK_P0, + 0x540, 0, MSTOP(BUS_MCPU1, BIT(4))), + DEF_MOD("poeg_a_clkp", R9A07G044_POEG_A_CLKP, R9A07G044_CLK_P0, + 0x544, 0, MSTOP(BUS_MCPU1, BIT(5))), + DEF_MOD("poeg_b_clkp", R9A07G044_POEG_B_CLKP, R9A07G044_CLK_P0, + 0x544, 1, MSTOP(BUS_MCPU1, BIT(6))), + DEF_MOD("poeg_c_clkp", R9A07G044_POEG_C_CLKP, R9A07G044_CLK_P0, + 0x544, 2, MSTOP(BUS_MCPU1, BIT(7))), + DEF_MOD("poeg_d_clkp", R9A07G044_POEG_D_CLKP, R9A07G044_CLK_P0, + 0x544, 3, MSTOP(BUS_MCPU1, BIT(8))), + DEF_MOD("wdt0_pclk", R9A07G044_WDT0_PCLK, R9A07G044_CLK_P0, + 0x548, 0, MSTOP(BUS_REG0, BIT(2))), + DEF_MOD("wdt0_clk", R9A07G044_WDT0_CLK, R9A07G044_OSCCLK, + 0x548, 1, MSTOP(BUS_REG0, BIT(2))), + DEF_MOD("wdt1_pclk", R9A07G044_WDT1_PCLK, R9A07G044_CLK_P0, + 0x548, 2, MSTOP(BUS_REG0, BIT(3))), + DEF_MOD("wdt1_clk", R9A07G044_WDT1_CLK, R9A07G044_OSCCLK, + 0x548, 3, MSTOP(BUS_REG0, BIT(3))), + DEF_MOD("spi_clk2", R9A07G044_SPI_CLK2, R9A07G044_CLK_SPI1, + 0x550, 0, MSTOP(BUS_MCPU1, BIT(1))), + DEF_MOD("spi_clk", R9A07G044_SPI_CLK, R9A07G044_CLK_SPI0, + 0x550, 1, MSTOP(BUS_MCPU1, BIT(1))), + DEF_MOD("sdhi0_imclk", R9A07G044_SDHI0_IMCLK, CLK_SD0_DIV4, + 0x554, 0, MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi0_imclk2", R9A07G044_SDHI0_IMCLK2, CLK_SD0_DIV4, + 0x554, 1, MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi0_clk_hs", R9A07G044_SDHI0_CLK_HS, R9A07G044_CLK_SD0, + 0x554, 2, MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi0_aclk", R9A07G044_SDHI0_ACLK, R9A07G044_CLK_P1, + 0x554, 3, MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi1_imclk", R9A07G044_SDHI1_IMCLK, CLK_SD1_DIV4, + 0x554, 4, MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi1_imclk2", R9A07G044_SDHI1_IMCLK2, CLK_SD1_DIV4, + 0x554, 5, MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi1_clk_hs", R9A07G044_SDHI1_CLK_HS, R9A07G044_CLK_SD1, + 0x554, 6, MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi1_aclk", R9A07G044_SDHI1_ACLK, R9A07G044_CLK_P1, + 0x554, 7, MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("gpu_clk", R9A07G044_GPU_CLK, R9A07G044_CLK_G, + 0x558, 0, MSTOP(BUS_REG1, BIT(4))), + DEF_MOD("gpu_axi_clk", R9A07G044_GPU_AXI_CLK, R9A07G044_CLK_P1, + 0x558, 1, 0), + DEF_MOD("gpu_ace_clk", R9A07G044_GPU_ACE_CLK, R9A07G044_CLK_P1, + 0x558, 2, 0), + DEF_MOD("cru_sysclk", R9A07G044_CRU_SYSCLK, CLK_M2_DIV2, + 0x564, 0, MSTOP(BUS_PERI_VIDEO, BIT(3))), + DEF_MOD("cru_vclk", R9A07G044_CRU_VCLK, R9A07G044_CLK_M2, + 0x564, 1, MSTOP(BUS_PERI_VIDEO, BIT(3))), + DEF_MOD("cru_pclk", R9A07G044_CRU_PCLK, R9A07G044_CLK_ZT, + 0x564, 2, MSTOP(BUS_PERI_VIDEO, BIT(3))), + DEF_MOD("cru_aclk", R9A07G044_CRU_ACLK, R9A07G044_CLK_M0, + 0x564, 3, MSTOP(BUS_PERI_VIDEO, BIT(3))), + DEF_MOD("dsi_pll_clk", R9A07G044_MIPI_DSI_PLLCLK, R9A07G044_CLK_M1, + 0x568, 0, MSTOP(BUS_PERI_VIDEO, GENMASK(6, 5))), + DEF_MOD("dsi_sys_clk", R9A07G044_MIPI_DSI_SYSCLK, CLK_M2_DIV2, + 0x568, 1, MSTOP(BUS_PERI_VIDEO, GENMASK(6, 5))), + DEF_MOD("dsi_aclk", R9A07G044_MIPI_DSI_ACLK, R9A07G044_CLK_P1, + 0x568, 2, MSTOP(BUS_PERI_VIDEO, GENMASK(6, 5))), + DEF_MOD("dsi_pclk", R9A07G044_MIPI_DSI_PCLK, R9A07G044_CLK_P2, + 0x568, 3, MSTOP(BUS_PERI_VIDEO, GENMASK(6, 5))), + DEF_MOD("dsi_vclk", R9A07G044_MIPI_DSI_VCLK, R9A07G044_CLK_M3, + 0x568, 4, MSTOP(BUS_PERI_VIDEO, GENMASK(6, 5))), + DEF_MOD("dsi_lpclk", R9A07G044_MIPI_DSI_LPCLK, R9A07G044_CLK_M4, + 0x568, 5, MSTOP(BUS_PERI_VIDEO, GENMASK(6, 5))), + DEF_COUPLED("lcdc_a", R9A07G044_LCDC_CLK_A, R9A07G044_CLK_M0, + 0x56c, 0, MSTOP(BUS_PERI_VIDEO, GENMASK(8, 7))), + DEF_COUPLED("lcdc_p", R9A07G044_LCDC_CLK_P, R9A07G044_CLK_ZT, + 0x56c, 0, MSTOP(BUS_PERI_VIDEO, GENMASK(8, 7))), + DEF_MOD("lcdc_clk_d", R9A07G044_LCDC_CLK_D, R9A07G044_CLK_M3, + 0x56c, 1, MSTOP(BUS_PERI_VIDEO, BIT(9))), + DEF_MOD("ssi0_pclk", R9A07G044_SSI0_PCLK2, R9A07G044_CLK_P0, + 0x570, 0, MSTOP(BUS_MCPU1, BIT(10))), + DEF_MOD("ssi0_sfr", R9A07G044_SSI0_PCLK_SFR, R9A07G044_CLK_P0, + 0x570, 1, MSTOP(BUS_MCPU1, BIT(10))), + DEF_MOD("ssi1_pclk", R9A07G044_SSI1_PCLK2, R9A07G044_CLK_P0, + 0x570, 2, MSTOP(BUS_MCPU1, BIT(11))), + DEF_MOD("ssi1_sfr", R9A07G044_SSI1_PCLK_SFR, R9A07G044_CLK_P0, + 0x570, 3, MSTOP(BUS_MCPU1, BIT(11))), + DEF_MOD("ssi2_pclk", R9A07G044_SSI2_PCLK2, R9A07G044_CLK_P0, + 0x570, 4, MSTOP(BUS_MCPU1, BIT(12))), + DEF_MOD("ssi2_sfr", R9A07G044_SSI2_PCLK_SFR, R9A07G044_CLK_P0, + 0x570, 5, MSTOP(BUS_MCPU1, BIT(12))), + DEF_MOD("ssi3_pclk", R9A07G044_SSI3_PCLK2, R9A07G044_CLK_P0, + 0x570, 6, MSTOP(BUS_MCPU1, BIT(13))), + DEF_MOD("ssi3_sfr", R9A07G044_SSI3_PCLK_SFR, R9A07G044_CLK_P0, + 0x570, 7, MSTOP(BUS_MCPU1, BIT(13))), + DEF_MOD("usb0_host", R9A07G044_USB_U2H0_HCLK, R9A07G044_CLK_P1, + 0x578, 0, MSTOP(BUS_PERI_COM, BIT(5))), + DEF_MOD("usb1_host", R9A07G044_USB_U2H1_HCLK, R9A07G044_CLK_P1, + 0x578, 1, MSTOP(BUS_PERI_COM, BIT(7))), + DEF_MOD("usb0_func", R9A07G044_USB_U2P_EXR_CPUCLK, R9A07G044_CLK_P1, + 0x578, 2, MSTOP(BUS_PERI_COM, BIT(6))), + DEF_MOD("usb_pclk", R9A07G044_USB_PCLK, R9A07G044_CLK_P1, + 0x578, 3, MSTOP(BUS_PERI_COM, BIT(4))), + DEF_COUPLED("eth0_axi", R9A07G044_ETH0_CLK_AXI, R9A07G044_CLK_M0, + 0x57c, 0, MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth0_chi", R9A07G044_ETH0_CLK_CHI, R9A07G044_CLK_ZT, + 0x57c, 0, MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth1_axi", R9A07G044_ETH1_CLK_AXI, R9A07G044_CLK_M0, + 0x57c, 1, MSTOP(BUS_PERI_COM, BIT(3))), + DEF_COUPLED("eth1_chi", R9A07G044_ETH1_CLK_CHI, R9A07G044_CLK_ZT, + 0x57c, 1, MSTOP(BUS_PERI_COM, BIT(3))), + DEF_MOD("i2c0", R9A07G044_I2C0_PCLK, R9A07G044_CLK_P0, + 0x580, 0, MSTOP(BUS_MCPU2, BIT(10))), + DEF_MOD("i2c1", R9A07G044_I2C1_PCLK, R9A07G044_CLK_P0, + 0x580, 1, MSTOP(BUS_MCPU2, BIT(11))), + DEF_MOD("i2c2", R9A07G044_I2C2_PCLK, R9A07G044_CLK_P0, + 0x580, 2, MSTOP(BUS_MCPU2, BIT(12))), + DEF_MOD("i2c3", R9A07G044_I2C3_PCLK, R9A07G044_CLK_P0, + 0x580, 3, MSTOP(BUS_MCPU2, BIT(13))), + DEF_MOD("scif0", R9A07G044_SCIF0_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 0, MSTOP(BUS_MCPU2, BIT(1))), + DEF_MOD("scif1", R9A07G044_SCIF1_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 1, MSTOP(BUS_MCPU2, BIT(2))), + DEF_MOD("scif2", R9A07G044_SCIF2_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 2, MSTOP(BUS_MCPU2, BIT(3))), + DEF_MOD("scif3", R9A07G044_SCIF3_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 3, MSTOP(BUS_MCPU2, BIT(4))), + DEF_MOD("scif4", R9A07G044_SCIF4_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 4, MSTOP(BUS_MCPU2, BIT(5))), + DEF_MOD("sci0", R9A07G044_SCI0_CLKP, R9A07G044_CLK_P0, + 0x588, 0, MSTOP(BUS_MCPU2, BIT(7))), + DEF_MOD("sci1", R9A07G044_SCI1_CLKP, R9A07G044_CLK_P0, + 0x588, 1, MSTOP(BUS_MCPU2, BIT(8))), + DEF_MOD("rspi0", R9A07G044_RSPI0_CLKB, R9A07G044_CLK_P0, + 0x590, 0, MSTOP(BUS_MCPU1, BIT(14))), + DEF_MOD("rspi1", R9A07G044_RSPI1_CLKB, R9A07G044_CLK_P0, + 0x590, 1, MSTOP(BUS_MCPU1, BIT(15))), + DEF_MOD("rspi2", R9A07G044_RSPI2_CLKB, R9A07G044_CLK_P0, + 0x590, 2, MSTOP(BUS_MCPU2, BIT(0))), + DEF_MOD("canfd", R9A07G044_CANFD_PCLK, R9A07G044_CLK_P0, + 0x594, 0, MSTOP(BUS_MCPU2, BIT(9))), + DEF_MOD("gpio", R9A07G044_GPIO_HCLK, R9A07G044_OSCCLK, + 0x598, 0, MSTOP(BUS_PERI_CPU, BIT(6))), + DEF_MOD("adc_adclk", R9A07G044_ADC_ADCLK, R9A07G044_CLK_TSU, + 0x5a8, 0, MSTOP(BUS_MCPU2, BIT(14))), + DEF_MOD("adc_pclk", R9A07G044_ADC_PCLK, R9A07G044_CLK_P0, + 0x5a8, 1, MSTOP(BUS_MCPU2, BIT(14))), + DEF_MOD("tsu_pclk", R9A07G044_TSU_PCLK, R9A07G044_CLK_TSU, + 0x5ac, 0, MSTOP(BUS_MCPU2, BIT(15))), + }, +#ifdef CONFIG_CLK_R9A07G054 + .drp = { + DEF_MOD("stpai_initclk", R9A07G054_STPAI_INITCLK, R9A07G044_OSCCLK, + 0x5e8, 0, 0), + DEF_MOD("stpai_aclk", R9A07G054_STPAI_ACLK, R9A07G044_CLK_P1, + 0x5e8, 1, 0), + DEF_MOD("stpai_mclk", R9A07G054_STPAI_MCLK, R9A07G054_CLK_DRP_M, + 0x5e8, 2, 0), + DEF_MOD("stpai_dclkin", R9A07G054_STPAI_DCLKIN, R9A07G054_CLK_DRP_D, + 0x5e8, 3, 0), + DEF_MOD("stpai_aclk_drp", R9A07G054_STPAI_ACLK_DRP, R9A07G054_CLK_DRP_A, + 0x5e8, 4, 0), + }, +#endif +}; + +static const struct rzg2l_reset r9a07g044_resets[] = { + DEF_RST(R9A07G044_GIC600_GICRESET_N, 0x814, 0), + DEF_RST(R9A07G044_GIC600_DBG_GICRESET_N, 0x814, 1), + DEF_RST(R9A07G044_IA55_RESETN, 0x818, 0), + DEF_RST(R9A07G044_DMAC_ARESETN, 0x82c, 0), + DEF_RST(R9A07G044_DMAC_RST_ASYNC, 0x82c, 1), + DEF_RST(R9A07G044_OSTM0_PRESETZ, 0x834, 0), + DEF_RST(R9A07G044_OSTM1_PRESETZ, 0x834, 1), + DEF_RST(R9A07G044_OSTM2_PRESETZ, 0x834, 2), + DEF_RST(R9A07G044_MTU_X_PRESET_MTU3, 0x838, 0), + DEF_RST(R9A07G044_GPT_RST_C, 0x840, 0), + DEF_RST(R9A07G044_POEG_A_RST, 0x844, 0), + DEF_RST(R9A07G044_POEG_B_RST, 0x844, 1), + DEF_RST(R9A07G044_POEG_C_RST, 0x844, 2), + DEF_RST(R9A07G044_POEG_D_RST, 0x844, 3), + DEF_RST(R9A07G044_WDT0_PRESETN, 0x848, 0), + DEF_RST(R9A07G044_WDT1_PRESETN, 0x848, 1), + DEF_RST(R9A07G044_SPI_RST, 0x850, 0), + DEF_RST(R9A07G044_SDHI0_IXRST, 0x854, 0), + DEF_RST(R9A07G044_SDHI1_IXRST, 0x854, 1), + DEF_RST(R9A07G044_GPU_RESETN, 0x858, 0), + DEF_RST(R9A07G044_GPU_AXI_RESETN, 0x858, 1), + DEF_RST(R9A07G044_GPU_ACE_RESETN, 0x858, 2), + DEF_RST(R9A07G044_CRU_CMN_RSTB, 0x864, 0), + DEF_RST(R9A07G044_CRU_PRESETN, 0x864, 1), + DEF_RST(R9A07G044_CRU_ARESETN, 0x864, 2), + DEF_RST(R9A07G044_MIPI_DSI_CMN_RSTB, 0x868, 0), + DEF_RST(R9A07G044_MIPI_DSI_ARESET_N, 0x868, 1), + DEF_RST(R9A07G044_MIPI_DSI_PRESET_N, 0x868, 2), + DEF_RST(R9A07G044_LCDC_RESET_N, 0x86c, 0), + DEF_RST(R9A07G044_SSI0_RST_M2_REG, 0x870, 0), + DEF_RST(R9A07G044_SSI1_RST_M2_REG, 0x870, 1), + DEF_RST(R9A07G044_SSI2_RST_M2_REG, 0x870, 2), + DEF_RST(R9A07G044_SSI3_RST_M2_REG, 0x870, 3), + DEF_RST(R9A07G044_USB_U2H0_HRESETN, 0x878, 0), + DEF_RST(R9A07G044_USB_U2H1_HRESETN, 0x878, 1), + DEF_RST(R9A07G044_USB_U2P_EXL_SYSRST, 0x878, 2), + DEF_RST(R9A07G044_USB_PRESETN, 0x878, 3), + DEF_RST(R9A07G044_ETH0_RST_HW_N, 0x87c, 0), + DEF_RST(R9A07G044_ETH1_RST_HW_N, 0x87c, 1), + DEF_RST(R9A07G044_I2C0_MRST, 0x880, 0), + DEF_RST(R9A07G044_I2C1_MRST, 0x880, 1), + DEF_RST(R9A07G044_I2C2_MRST, 0x880, 2), + DEF_RST(R9A07G044_I2C3_MRST, 0x880, 3), + DEF_RST(R9A07G044_SCIF0_RST_SYSTEM_N, 0x884, 0), + DEF_RST(R9A07G044_SCIF1_RST_SYSTEM_N, 0x884, 1), + DEF_RST(R9A07G044_SCIF2_RST_SYSTEM_N, 0x884, 2), + DEF_RST(R9A07G044_SCIF3_RST_SYSTEM_N, 0x884, 3), + DEF_RST(R9A07G044_SCIF4_RST_SYSTEM_N, 0x884, 4), + DEF_RST(R9A07G044_SCI0_RST, 0x888, 0), + DEF_RST(R9A07G044_SCI1_RST, 0x888, 1), + DEF_RST(R9A07G044_RSPI0_RST, 0x890, 0), + DEF_RST(R9A07G044_RSPI1_RST, 0x890, 1), + DEF_RST(R9A07G044_RSPI2_RST, 0x890, 2), + DEF_RST(R9A07G044_CANFD_RSTP_N, 0x894, 0), + DEF_RST(R9A07G044_CANFD_RSTC_N, 0x894, 1), + DEF_RST(R9A07G044_GPIO_RSTN, 0x898, 0), + DEF_RST(R9A07G044_GPIO_PORT_RESETN, 0x898, 1), + DEF_RST(R9A07G044_GPIO_SPARE_RESETN, 0x898, 2), + DEF_RST(R9A07G044_ADC_PRESETN, 0x8a8, 0), + DEF_RST(R9A07G044_ADC_ADRST_N, 0x8a8, 1), + DEF_RST(R9A07G044_TSU_PRESETN, 0x8ac, 0), +#ifdef CONFIG_CLK_R9A07G054 + DEF_RST(R9A07G054_STPAI_ARESETN, 0x8e8, 0), +#endif +}; + +static const unsigned int r9a07g044_crit_mod_clks[] __initconst = { + MOD_CLK_BASE + R9A07G044_GIC600_GICCLK, + MOD_CLK_BASE + R9A07G044_IA55_CLK, + MOD_CLK_BASE + R9A07G044_DMAC_ACLK, +}; + +static const unsigned int r9a07g044_crit_resets[] = { + R9A07G044_DMAC_ARESETN, + R9A07G044_DMAC_RST_ASYNC, +}; + +static const unsigned int r9a07g044_no_pm_mod_clks[] = { + MOD_CLK_BASE + R9A07G044_CRU_SYSCLK, + MOD_CLK_BASE + R9A07G044_CRU_VCLK, +}; + +#ifdef CONFIG_CLK_R9A07G044 +const struct rzg2l_cpg_info r9a07g044_cpg_info = { + /* Core Clocks */ + .core_clks = core_clks.common, + .num_core_clks = ARRAY_SIZE(core_clks.common), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Critical Module Clocks */ + .crit_mod_clks = r9a07g044_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r9a07g044_crit_mod_clks), + + /* Module Clocks */ + .mod_clks = mod_clks.common, + .num_mod_clks = ARRAY_SIZE(mod_clks.common), + .num_hw_mod_clks = R9A07G044_TSU_PCLK + 1, + + /* No PM Module Clocks */ + .no_pm_mod_clks = r9a07g044_no_pm_mod_clks, + .num_no_pm_mod_clks = ARRAY_SIZE(r9a07g044_no_pm_mod_clks), + + /* Resets */ + .resets = r9a07g044_resets, + .num_resets = R9A07G044_TSU_PRESETN + 1, /* Last reset ID + 1 */ + + /* Critical Resets */ + .crit_resets = r9a07g044_crit_resets, + .num_crit_resets = ARRAY_SIZE(r9a07g044_crit_resets), + + .has_clk_mon_regs = true, +}; +#endif + +#ifdef CONFIG_CLK_R9A07G054 +const struct rzg2l_cpg_info r9a07g054_cpg_info = { + /* Core Clocks */ + .core_clks = core_clks.common, + .num_core_clks = ARRAY_SIZE(core_clks.common) + ARRAY_SIZE(core_clks.drp), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Critical Module Clocks */ + .crit_mod_clks = r9a07g044_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r9a07g044_crit_mod_clks), + + /* Module Clocks */ + .mod_clks = mod_clks.common, + .num_mod_clks = ARRAY_SIZE(mod_clks.common) + ARRAY_SIZE(mod_clks.drp), + .num_hw_mod_clks = R9A07G054_STPAI_ACLK_DRP + 1, + + /* No PM Module Clocks */ + .no_pm_mod_clks = r9a07g044_no_pm_mod_clks, + .num_no_pm_mod_clks = ARRAY_SIZE(r9a07g044_no_pm_mod_clks), + + /* Resets */ + .resets = r9a07g044_resets, + .num_resets = R9A07G054_STPAI_ARESETN + 1, /* Last reset ID + 1 */ + + /* Critical Resets */ + .crit_resets = r9a07g044_crit_resets, + .num_crit_resets = ARRAY_SIZE(r9a07g044_crit_resets), + + .has_clk_mon_regs = true, +}; +#endif diff --git a/drivers/clk/renesas/r9a08g045-cpg.c b/drivers/clk/renesas/r9a08g045-cpg.c new file mode 100644 index 000000000..624fc5e6f --- /dev/null +++ b/drivers/clk/renesas/r9a08g045-cpg.c @@ -0,0 +1,391 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/G3S CPG driver + * + * Copyright (C) 2023 Renesas Electronics Corp. + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/r9a08g045-cpg.h> + +#include "rzg2l-cpg.h" + +/* RZ/G3S Specific registers. */ +#define G3S_CPG_PL2_DDIV (0x204) +#define G3S_CPG_SDHI_DDIV (0x218) +#define G3S_CPG_PLL_DSEL (0x240) +#define G3S_CPG_SDHI_DSEL (0x244) +#define G3S_CLKDIVSTATUS (0x280) +#define G3S_CLKSELSTATUS (0x284) + +/* RZ/G3S Specific division configuration. */ +#define G3S_DIVPL2B DDIV_PACK(G3S_CPG_PL2_DDIV, 4, 3) +#define G3S_DIV_SDHI0 DDIV_PACK(G3S_CPG_SDHI_DDIV, 0, 1) +#define G3S_DIV_SDHI1 DDIV_PACK(G3S_CPG_SDHI_DDIV, 4, 1) +#define G3S_DIV_SDHI2 DDIV_PACK(G3S_CPG_SDHI_DDIV, 8, 1) + +/* RZ/G3S Clock status configuration. */ +#define G3S_DIVPL1A_STS DDIV_PACK(G3S_CLKDIVSTATUS, 0, 1) +#define G3S_DIVPL2B_STS DDIV_PACK(G3S_CLKDIVSTATUS, 5, 1) +#define G3S_DIVPL3A_STS DDIV_PACK(G3S_CLKDIVSTATUS, 8, 1) +#define G3S_DIVPL3B_STS DDIV_PACK(G3S_CLKDIVSTATUS, 9, 1) +#define G3S_DIVPL3C_STS DDIV_PACK(G3S_CLKDIVSTATUS, 10, 1) +#define G3S_DIV_SDHI0_STS DDIV_PACK(G3S_CLKDIVSTATUS, 24, 1) +#define G3S_DIV_SDHI1_STS DDIV_PACK(G3S_CLKDIVSTATUS, 25, 1) +#define G3S_DIV_SDHI2_STS DDIV_PACK(G3S_CLKDIVSTATUS, 26, 1) + +#define G3S_SEL_PLL4_STS SEL_PLL_PACK(G3S_CLKSELSTATUS, 6, 1) +#define G3S_SEL_SDHI0_STS SEL_PLL_PACK(G3S_CLKSELSTATUS, 16, 1) +#define G3S_SEL_SDHI1_STS SEL_PLL_PACK(G3S_CLKSELSTATUS, 17, 1) +#define G3S_SEL_SDHI2_STS SEL_PLL_PACK(G3S_CLKSELSTATUS, 18, 1) + +/* RZ/G3S Specific clocks select. */ +#define G3S_SEL_PLL4 SEL_PLL_PACK(G3S_CPG_PLL_DSEL, 6, 1) +#define G3S_SEL_SDHI0 SEL_PLL_PACK(G3S_CPG_SDHI_DSEL, 0, 2) +#define G3S_SEL_SDHI1 SEL_PLL_PACK(G3S_CPG_SDHI_DSEL, 4, 2) +#define G3S_SEL_SDHI2 SEL_PLL_PACK(G3S_CPG_SDHI_DSEL, 8, 2) + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A08G045_SWD, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_OSC_DIV1000, + CLK_PLL1, + CLK_PLL2, + CLK_PLL2_DIV2, + CLK_PLL2_DIV2_8, + CLK_PLL2_DIV6, + CLK_PLL3, + CLK_PLL3_DIV2, + CLK_PLL3_DIV2_4, + CLK_PLL3_DIV2_8, + CLK_PLL3_DIV6, + CLK_PLL4, + CLK_PLL6, + CLK_PLL6_DIV2, + CLK_SEL_SDHI0, + CLK_SEL_SDHI1, + CLK_SEL_SDHI2, + CLK_SEL_PLL4, + CLK_P1_DIV2, + CLK_P3_DIV2, + CLK_SD0_DIV4, + CLK_SD1_DIV4, + CLK_SD2_DIV4, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +/* Divider tables */ +static const struct clk_div_table dtable_1_2[] = { + { 0, 1 }, + { 1, 2 }, + { 0, 0 }, +}; + +static const struct clk_div_table dtable_1_8[] = { + { 0, 1 }, + { 1, 2 }, + { 2, 4 }, + { 3, 8 }, + { 0, 0 }, +}; + +static const struct clk_div_table dtable_1_32[] = { + { 0, 1 }, + { 1, 2 }, + { 2, 4 }, + { 3, 8 }, + { 4, 32 }, + { 0, 0 }, +}; + +/* Mux clock names tables. */ +static const char * const sel_sdhi[] = { ".pll2_div2", ".pll6", ".pll2_div6" }; +static const char * const sel_pll4[] = { ".osc_div1000", ".pll4" }; + +/* Mux clock indices tables. */ +static const u32 mtable_sd[] = { 0, 2, 3 }; +static const u32 mtable_pll4[] = { 0, 1 }; + +static const struct cpg_core_clk r9a08g045_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000), + DEF_G3S_PLL(".pll1", CLK_PLL1, CLK_EXTAL, CPG_PLL_CONF(0, 0x100), + 1100000000UL), + DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3), + DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3), + DEF_FIXED(".pll4", CLK_PLL4, CLK_EXTAL, 100, 3), + DEF_FIXED(".pll6", CLK_PLL6, CLK_EXTAL, 125, 6), + DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2), + DEF_FIXED(".pll2_div2_8", CLK_PLL2_DIV2_8, CLK_PLL2_DIV2, 1, 8), + DEF_FIXED(".pll2_div6", CLK_PLL2_DIV6, CLK_PLL2, 1, 6), + DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2), + DEF_FIXED(".pll3_div2_4", CLK_PLL3_DIV2_4, CLK_PLL3_DIV2, 1, 4), + DEF_FIXED(".pll3_div2_8", CLK_PLL3_DIV2_8, CLK_PLL3_DIV2, 1, 8), + DEF_FIXED(".pll3_div6", CLK_PLL3_DIV6, CLK_PLL3, 1, 6), + DEF_FIXED(".pll6_div2", CLK_PLL6_DIV2, CLK_PLL6, 1, 2), + DEF_SD_MUX(".sel_sd0", CLK_SEL_SDHI0, G3S_SEL_SDHI0, G3S_SEL_SDHI0_STS, sel_sdhi, + mtable_sd, 0, NULL), + DEF_SD_MUX(".sel_sd1", CLK_SEL_SDHI1, G3S_SEL_SDHI1, G3S_SEL_SDHI1_STS, sel_sdhi, + mtable_sd, 0, NULL), + DEF_SD_MUX(".sel_sd2", CLK_SEL_SDHI2, G3S_SEL_SDHI2, G3S_SEL_SDHI2_STS, sel_sdhi, + mtable_sd, 0, NULL), + DEF_SD_MUX(".sel_pll4", CLK_SEL_PLL4, G3S_SEL_PLL4, G3S_SEL_PLL4_STS, sel_pll4, + mtable_pll4, CLK_SET_PARENT_GATE, NULL), + + /* Core output clk */ + DEF_G3S_DIV("I", R9A08G045_CLK_I, CLK_PLL1, DIVPL1A, G3S_DIVPL1A_STS, dtable_1_8, + 0, 0, 0, NULL), + DEF_G3S_DIV("P0", R9A08G045_CLK_P0, CLK_PLL2_DIV2_8, G3S_DIVPL2B, G3S_DIVPL2B_STS, + dtable_1_32, 0, 0, 0, NULL), + DEF_G3S_DIV("SD0", R9A08G045_CLK_SD0, CLK_SEL_SDHI0, G3S_DIV_SDHI0, G3S_DIV_SDHI0_STS, + dtable_1_2, 800000000UL, 500000000UL, CLK_SET_RATE_PARENT, + rzg3s_cpg_div_clk_notifier), + DEF_G3S_DIV("SD1", R9A08G045_CLK_SD1, CLK_SEL_SDHI1, G3S_DIV_SDHI1, G3S_DIV_SDHI1_STS, + dtable_1_2, 800000000UL, 500000000UL, CLK_SET_RATE_PARENT, + rzg3s_cpg_div_clk_notifier), + DEF_G3S_DIV("SD2", R9A08G045_CLK_SD2, CLK_SEL_SDHI2, G3S_DIV_SDHI2, G3S_DIV_SDHI2_STS, + dtable_1_2, 800000000UL, 500000000UL, CLK_SET_RATE_PARENT, + rzg3s_cpg_div_clk_notifier), + DEF_FIXED(".sd0_div4", CLK_SD0_DIV4, R9A08G045_CLK_SD0, 1, 4), + DEF_FIXED(".sd1_div4", CLK_SD1_DIV4, R9A08G045_CLK_SD1, 1, 4), + DEF_FIXED(".sd2_div4", CLK_SD2_DIV4, R9A08G045_CLK_SD2, 1, 4), + DEF_FIXED("M0", R9A08G045_CLK_M0, CLK_PLL3_DIV2_4, 1, 1), + DEF_G3S_DIV("P1", R9A08G045_CLK_P1, CLK_PLL3_DIV2_4, DIVPL3A, G3S_DIVPL3A_STS, + dtable_1_32, 0, 0, 0, NULL), + DEF_FIXED("P1_DIV2", CLK_P1_DIV2, R9A08G045_CLK_P1, 1, 2), + DEF_G3S_DIV("P2", R9A08G045_CLK_P2, CLK_PLL3_DIV2_8, DIVPL3B, G3S_DIVPL3B_STS, + dtable_1_32, 0, 0, 0, NULL), + DEF_G3S_DIV("P3", R9A08G045_CLK_P3, CLK_PLL3_DIV2_4, DIVPL3C, G3S_DIVPL3C_STS, + dtable_1_32, 0, 0, 0, NULL), + DEF_FIXED("P3_DIV2", CLK_P3_DIV2, R9A08G045_CLK_P3, 1, 2), + DEF_FIXED("P5", R9A08G045_CLK_P5, CLK_PLL2_DIV2, 1, 4), + DEF_FIXED("ZT", R9A08G045_CLK_ZT, CLK_PLL3_DIV2_8, 1, 1), + DEF_FIXED("S0", R9A08G045_CLK_S0, CLK_SEL_PLL4, 1, 2), + DEF_FIXED("OSC", R9A08G045_OSCCLK, CLK_EXTAL, 1, 1), + DEF_FIXED("OSC2", R9A08G045_OSCCLK2, CLK_EXTAL, 1, 3), + DEF_FIXED("HP", R9A08G045_CLK_HP, CLK_PLL6, 1, 2), + DEF_FIXED("TSU", R9A08G045_CLK_TSU, CLK_PLL2_DIV2, 1, 8), +}; + +static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = { + DEF_MOD("gic_gicclk", R9A08G045_GIC600_GICCLK, R9A08G045_CLK_P1, 0x514, 0, + MSTOP(BUS_ACPU, BIT(3))), + DEF_MOD("ia55_pclk", R9A08G045_IA55_PCLK, R9A08G045_CLK_P2, 0x518, 0, + MSTOP(BUS_PERI_CPU, BIT(13))), + DEF_MOD("ia55_clk", R9A08G045_IA55_CLK, R9A08G045_CLK_P1, 0x518, 1, + MSTOP(BUS_PERI_CPU, BIT(13))), + DEF_MOD("dmac_aclk", R9A08G045_DMAC_ACLK, R9A08G045_CLK_P3, 0x52c, 0, + MSTOP(BUS_REG1, BIT(2))), + DEF_MOD("dmac_pclk", R9A08G045_DMAC_PCLK, CLK_P3_DIV2, 0x52c, 1, + MSTOP(BUS_REG1, BIT(3))), + DEF_MOD("wdt0_pclk", R9A08G045_WDT0_PCLK, R9A08G045_CLK_P0, 0x548, 0, + MSTOP(BUS_REG0, BIT(0))), + DEF_MOD("wdt0_clk", R9A08G045_WDT0_CLK, R9A08G045_OSCCLK, 0x548, 1, + MSTOP(BUS_REG0, BIT(0))), + DEF_MOD("sdhi0_imclk", R9A08G045_SDHI0_IMCLK, CLK_SD0_DIV4, 0x554, 0, + MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi0_imclk2", R9A08G045_SDHI0_IMCLK2, CLK_SD0_DIV4, 0x554, 1, + MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi0_clk_hs", R9A08G045_SDHI0_CLK_HS, R9A08G045_CLK_SD0, 0x554, 2, + MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi0_aclk", R9A08G045_SDHI0_ACLK, R9A08G045_CLK_P1, 0x554, 3, + MSTOP(BUS_PERI_COM, BIT(0))), + DEF_MOD("sdhi1_imclk", R9A08G045_SDHI1_IMCLK, CLK_SD1_DIV4, 0x554, 4, + MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi1_imclk2", R9A08G045_SDHI1_IMCLK2, CLK_SD1_DIV4, 0x554, 5, + MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi1_clk_hs", R9A08G045_SDHI1_CLK_HS, R9A08G045_CLK_SD1, 0x554, 6, + MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi1_aclk", R9A08G045_SDHI1_ACLK, R9A08G045_CLK_P1, 0x554, 7, + MSTOP(BUS_PERI_COM, BIT(1))), + DEF_MOD("sdhi2_imclk", R9A08G045_SDHI2_IMCLK, CLK_SD2_DIV4, 0x554, 8, + MSTOP(BUS_PERI_COM, BIT(11))), + DEF_MOD("sdhi2_imclk2", R9A08G045_SDHI2_IMCLK2, CLK_SD2_DIV4, 0x554, 9, + MSTOP(BUS_PERI_COM, BIT(11))), + DEF_MOD("sdhi2_clk_hs", R9A08G045_SDHI2_CLK_HS, R9A08G045_CLK_SD2, 0x554, 10, + MSTOP(BUS_PERI_COM, BIT(11))), + DEF_MOD("sdhi2_aclk", R9A08G045_SDHI2_ACLK, R9A08G045_CLK_P1, 0x554, 11, + MSTOP(BUS_PERI_COM, BIT(11))), + DEF_MOD("ssi0_pclk2", R9A08G045_SSI0_PCLK2, R9A08G045_CLK_P0, 0x570, 0, + MSTOP(BUS_MCPU1, BIT(10))), + DEF_MOD("ssi0_sfr", R9A08G045_SSI0_PCLK_SFR, R9A08G045_CLK_P0, 0x570, 1, + MSTOP(BUS_MCPU1, BIT(10))), + DEF_MOD("ssi1_pclk2", R9A08G045_SSI1_PCLK2, R9A08G045_CLK_P0, 0x570, 2, + MSTOP(BUS_MCPU1, BIT(11))), + DEF_MOD("ssi1_sfr", R9A08G045_SSI1_PCLK_SFR, R9A08G045_CLK_P0, 0x570, 3, + MSTOP(BUS_MCPU1, BIT(11))), + DEF_MOD("ssi2_pclk2", R9A08G045_SSI2_PCLK2, R9A08G045_CLK_P0, 0x570, 4, + MSTOP(BUS_MCPU1, BIT(12))), + DEF_MOD("ssi2_sfr", R9A08G045_SSI2_PCLK_SFR, R9A08G045_CLK_P0, 0x570, 5, + MSTOP(BUS_MCPU1, BIT(12))), + DEF_MOD("ssi3_pclk2", R9A08G045_SSI3_PCLK2, R9A08G045_CLK_P0, 0x570, 6, + MSTOP(BUS_MCPU1, BIT(13))), + DEF_MOD("ssi3_sfr", R9A08G045_SSI3_PCLK_SFR, R9A08G045_CLK_P0, 0x570, 7, + MSTOP(BUS_MCPU1, BIT(13))), + DEF_MOD("usb0_host", R9A08G045_USB_U2H0_HCLK, R9A08G045_CLK_P1, 0x578, 0, + MSTOP(BUS_PERI_COM, BIT(5))), + DEF_MOD("usb1_host", R9A08G045_USB_U2H1_HCLK, R9A08G045_CLK_P1, 0x578, 1, + MSTOP(BUS_PERI_COM, BIT(7))), + DEF_MOD("usb0_func", R9A08G045_USB_U2P_EXR_CPUCLK, R9A08G045_CLK_P1, 0x578, 2, + MSTOP(BUS_PERI_COM, BIT(6))), + DEF_MOD("usb_pclk", R9A08G045_USB_PCLK, R9A08G045_CLK_P1, 0x578, 3, + MSTOP(BUS_PERI_COM, BIT(4))), + DEF_COUPLED("eth0_axi", R9A08G045_ETH0_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 0, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth0_chi", R9A08G045_ETH0_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 0, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_MOD("eth0_refclk", R9A08G045_ETH0_REFCLK, R9A08G045_CLK_HP, 0x57c, 8, 0), + DEF_COUPLED("eth1_axi", R9A08G045_ETH1_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 1, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_COUPLED("eth1_chi", R9A08G045_ETH1_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 1, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_MOD("eth1_refclk", R9A08G045_ETH1_REFCLK, R9A08G045_CLK_HP, 0x57c, 9, 0), + DEF_MOD("i2c0_pclk", R9A08G045_I2C0_PCLK, R9A08G045_CLK_P0, 0x580, 0, + MSTOP(BUS_MCPU2, BIT(10))), + DEF_MOD("i2c1_pclk", R9A08G045_I2C1_PCLK, R9A08G045_CLK_P0, 0x580, 1, + MSTOP(BUS_MCPU2, BIT(11))), + DEF_MOD("i2c2_pclk", R9A08G045_I2C2_PCLK, R9A08G045_CLK_P0, 0x580, 2, + MSTOP(BUS_MCPU2, BIT(12))), + DEF_MOD("i2c3_pclk", R9A08G045_I2C3_PCLK, R9A08G045_CLK_P0, 0x580, 3, + MSTOP(BUS_MCPU2, BIT(13))), + DEF_MOD("scif0_clk_pck", R9A08G045_SCIF0_CLK_PCK, R9A08G045_CLK_P0, 0x584, 0, + MSTOP(BUS_MCPU2, BIT(1))), + DEF_MOD("scif1_clk_pck", R9A08G045_SCIF1_CLK_PCK, R9A08G045_CLK_P0, 0x584, 1, + MSTOP(BUS_MCPU2, BIT(2))), + DEF_MOD("scif2_clk_pck", R9A08G045_SCIF2_CLK_PCK, R9A08G045_CLK_P0, 0x584, 2, + MSTOP(BUS_MCPU2, BIT(3))), + DEF_MOD("scif3_clk_pck", R9A08G045_SCIF3_CLK_PCK, R9A08G045_CLK_P0, 0x584, 3, + MSTOP(BUS_MCPU2, BIT(4))), + DEF_MOD("scif4_clk_pck", R9A08G045_SCIF4_CLK_PCK, R9A08G045_CLK_P0, 0x584, 4, + MSTOP(BUS_MCPU2, BIT(5))), + DEF_MOD("scif5_clk_pck", R9A08G045_SCIF5_CLK_PCK, R9A08G045_CLK_P0, 0x584, 5, + MSTOP(BUS_MCPU3, BIT(4))), + DEF_MOD("gpio_hclk", R9A08G045_GPIO_HCLK, R9A08G045_OSCCLK, 0x598, 0, + MSTOP(BUS_PERI_CPU, BIT(6))), + DEF_MOD("adc_adclk", R9A08G045_ADC_ADCLK, R9A08G045_CLK_TSU, 0x5a8, 0, + MSTOP(BUS_MCPU2, BIT(14))), + DEF_MOD("adc_pclk", R9A08G045_ADC_PCLK, R9A08G045_CLK_TSU, 0x5a8, 1, + MSTOP(BUS_MCPU2, BIT(14))), + DEF_MOD("tsu_pclk", R9A08G045_TSU_PCLK, R9A08G045_CLK_TSU, 0x5ac, 0, + MSTOP(BUS_MCPU2, BIT(15))), + DEF_MOD("pci_aclk", R9A08G045_PCI_ACLK, R9A08G045_CLK_M0, 0x608, 0, + MSTOP(BUS_PERI_COM, BIT(10))), + DEF_MOD("pci_clkl1pm", R9A08G045_PCI_CLKL1PM, R9A08G045_CLK_ZT, 0x608, 1, + MSTOP(BUS_PERI_COM, BIT(10))), + DEF_MOD("i3c_pclk", R9A08G045_I3C_PCLK, R9A08G045_CLK_TSU, 0x610, 0, + MSTOP(BUS_MCPU3, BIT(10))), + DEF_MOD("i3c_tclk", R9A08G045_I3C_TCLK, R9A08G045_CLK_P5, 0x610, 1, + MSTOP(BUS_MCPU3, BIT(10))), + DEF_MOD("vbat_bclk", R9A08G045_VBAT_BCLK, R9A08G045_OSCCLK, 0x614, 0, + MSTOP(BUS_MCPU3, GENMASK(8, 7))), +}; + +static const struct rzg2l_reset r9a08g045_resets[] = { + DEF_RST(R9A08G045_GIC600_GICRESET_N, 0x814, 0), + DEF_RST(R9A08G045_GIC600_DBG_GICRESET_N, 0x814, 1), + DEF_RST(R9A08G045_IA55_RESETN, 0x818, 0), + DEF_RST(R9A08G045_DMAC_ARESETN, 0x82c, 0), + DEF_RST(R9A08G045_DMAC_RST_ASYNC, 0x82c, 1), + DEF_RST(R9A08G045_WDT0_PRESETN, 0x848, 0), + DEF_RST(R9A08G045_SDHI0_IXRST, 0x854, 0), + DEF_RST(R9A08G045_SDHI1_IXRST, 0x854, 1), + DEF_RST(R9A08G045_SDHI2_IXRST, 0x854, 2), + DEF_RST(R9A08G045_SSI0_RST_M2_REG, 0x870, 0), + DEF_RST(R9A08G045_SSI1_RST_M2_REG, 0x870, 1), + DEF_RST(R9A08G045_SSI2_RST_M2_REG, 0x870, 2), + DEF_RST(R9A08G045_SSI3_RST_M2_REG, 0x870, 3), + DEF_RST(R9A08G045_USB_U2H0_HRESETN, 0x878, 0), + DEF_RST(R9A08G045_USB_U2H1_HRESETN, 0x878, 1), + DEF_RST(R9A08G045_USB_U2P_EXL_SYSRST, 0x878, 2), + DEF_RST(R9A08G045_USB_PRESETN, 0x878, 3), + DEF_RST(R9A08G045_ETH0_RST_HW_N, 0x87c, 0), + DEF_RST(R9A08G045_ETH1_RST_HW_N, 0x87c, 1), + DEF_RST(R9A08G045_I2C0_MRST, 0x880, 0), + DEF_RST(R9A08G045_I2C1_MRST, 0x880, 1), + DEF_RST(R9A08G045_I2C2_MRST, 0x880, 2), + DEF_RST(R9A08G045_I2C3_MRST, 0x880, 3), + DEF_RST(R9A08G045_SCIF0_RST_SYSTEM_N, 0x884, 0), + DEF_RST(R9A08G045_SCIF1_RST_SYSTEM_N, 0x884, 1), + DEF_RST(R9A08G045_SCIF2_RST_SYSTEM_N, 0x884, 2), + DEF_RST(R9A08G045_SCIF3_RST_SYSTEM_N, 0x884, 3), + DEF_RST(R9A08G045_SCIF4_RST_SYSTEM_N, 0x884, 4), + DEF_RST(R9A08G045_SCIF5_RST_SYSTEM_N, 0x884, 5), + DEF_RST(R9A08G045_GPIO_RSTN, 0x898, 0), + DEF_RST(R9A08G045_GPIO_PORT_RESETN, 0x898, 1), + DEF_RST(R9A08G045_GPIO_SPARE_RESETN, 0x898, 2), + DEF_RST(R9A08G045_ADC_PRESETN, 0x8a8, 0), + DEF_RST(R9A08G045_ADC_ADRST_N, 0x8a8, 1), + DEF_RST(R9A08G045_TSU_PRESETN, 0x8ac, 0), + DEF_RST(R9A08G045_PCI_ARESETN, 0x908, 0), + DEF_RST(R9A08G045_PCI_RST_B, 0x908, 1), + DEF_RST(R9A08G045_PCI_RST_GP_B, 0x908, 2), + DEF_RST(R9A08G045_PCI_RST_PS_B, 0x908, 3), + DEF_RST(R9A08G045_PCI_RST_RSM_B, 0x908, 4), + DEF_RST(R9A08G045_PCI_RST_CFG_B, 0x908, 5), + DEF_RST(R9A08G045_PCI_RST_LOAD_B, 0x908, 6), + DEF_RST(R9A08G045_I3C_TRESETN, 0x910, 0), + DEF_RST(R9A08G045_I3C_PRESETN, 0x910, 1), + DEF_RST(R9A08G045_VBAT_BRESETN, 0x914, 0), +}; + +static const unsigned int r9a08g045_crit_mod_clks[] __initconst = { + MOD_CLK_BASE + R9A08G045_GIC600_GICCLK, + MOD_CLK_BASE + R9A08G045_IA55_PCLK, + MOD_CLK_BASE + R9A08G045_IA55_CLK, + MOD_CLK_BASE + R9A08G045_DMAC_ACLK, + MOD_CLK_BASE + R9A08G045_VBAT_BCLK, +}; + +static const unsigned int r9a08g045_crit_resets[] = { + R9A08G045_DMAC_ARESETN, + R9A08G045_DMAC_RST_ASYNC, +}; + +static const unsigned int r9a08g045_no_pm_mod_clks[] = { + MOD_CLK_BASE + R9A08G045_PCI_CLKL1PM, +}; + +const struct rzg2l_cpg_info r9a08g045_cpg_info = { + /* Core Clocks */ + .core_clks = r9a08g045_core_clks, + .num_core_clks = ARRAY_SIZE(r9a08g045_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Critical Module Clocks */ + .crit_mod_clks = r9a08g045_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r9a08g045_crit_mod_clks), + + /* Module Clocks */ + .mod_clks = r9a08g045_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a08g045_mod_clks), + .num_hw_mod_clks = R9A08G045_VBAT_BCLK + 1, + + /* No PM modules Clocks */ + .no_pm_mod_clks = r9a08g045_no_pm_mod_clks, + .num_no_pm_mod_clks = ARRAY_SIZE(r9a08g045_no_pm_mod_clks), + + /* Resets */ + .resets = r9a08g045_resets, + .num_resets = R9A08G045_VBAT_BRESETN + 1, /* Last reset ID + 1 */ + + /* Critical Resets */ + .crit_resets = r9a08g045_crit_resets, + .num_crit_resets = ARRAY_SIZE(r9a08g045_crit_resets), + + .has_clk_mon_regs = true, +}; diff --git a/drivers/clk/renesas/r9a08g046-cpg.c b/drivers/clk/renesas/r9a08g046-cpg.c new file mode 100644 index 000000000..a57638734 --- /dev/null +++ b/drivers/clk/renesas/r9a08g046-cpg.c @@ -0,0 +1,508 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/G3L CPG driver + * + * Copyright (C) 2026 Renesas Electronics Corp. + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/renesas,r9a08g046-cpg.h> + +#include "rzg2l-cpg.h" + +/* RZ/G3L Specific registers. */ +#define G3L_CPG_PL2_DDIV (0x204) +#define G3L_CPG_PL3_DDIV (0x208) +#define G3L_CPG_CA55CORE_DDIV (0x234) +#define G3L_CPG_RSCI_DDIV (0x238) +#define G3L_CPG_RSPI_DDIV (0x23c) +#define G3L_CLKDIVSTATUS (0x280) +#define G3L_CPG_ETH_SSEL (0x410) +#define G3L_CPG_RSCI_SSEL (0x414) +#define G3L_CPG_RSPI_SSEL (0x418) +#define G3L_CPG_ETH_SDIV (0x434) + +/* RZ/G3L Specific division configuration. */ +#define G3L_DIVPL2A DDIV_PACK(G3L_CPG_PL2_DDIV, 0, 2) +#define G3L_DIVPL2B DDIV_PACK(G3L_CPG_PL2_DDIV, 4, 2) +#define G3L_DIVPL3A DDIV_PACK(G3L_CPG_PL3_DDIV, 0, 2) +#define G3L_DIV_CA55_CORE0 DDIV_PACK(G3L_CPG_CA55CORE_DDIV, 0, 3) +#define G3L_DIV_CA55_CORE1 DDIV_PACK(G3L_CPG_CA55CORE_DDIV, 4, 3) +#define G3L_DIV_CA55_CORE2 DDIV_PACK(G3L_CPG_CA55CORE_DDIV, 8, 3) +#define G3L_DIV_CA55_CORE3 DDIV_PACK(G3L_CPG_CA55CORE_DDIV, 12, 3) +#define G3L_DIV_RSCI0 DDIV_PACK(G3L_CPG_RSCI_DDIV, 0, 2) +#define G3L_DIV_RSCI1 DDIV_PACK(G3L_CPG_RSCI_DDIV, 2, 2) +#define G3L_DIV_RSCI2 DDIV_PACK(G3L_CPG_RSCI_DDIV, 4, 2) +#define G3L_DIV_RSCI3 DDIV_PACK(G3L_CPG_RSCI_DDIV, 6, 2) +#define G3L_DIV_RSPI0 DDIV_PACK(G3L_CPG_RSPI_DDIV, 0, 2) +#define G3L_DIV_RSPI1 DDIV_PACK(G3L_CPG_RSPI_DDIV, 2, 2) +#define G3L_DIV_RSPI2 DDIV_PACK(G3L_CPG_RSPI_DDIV, 4, 2) +#define G3L_SDIV_ETH_A DDIV_PACK(G3L_CPG_ETH_SDIV, 0, 2) +#define G3L_SDIV_ETH_B DDIV_PACK(G3L_CPG_ETH_SDIV, 4, 1) +#define G3L_SDIV_ETH_C DDIV_PACK(G3L_CPG_ETH_SDIV, 8, 2) +#define G3L_SDIV_ETH_D DDIV_PACK(G3L_CPG_ETH_SDIV, 12, 1) + +/* RZ/G3L Clock status configuration. */ +#define G3L_DIVPL2A_STS DDIV_PACK(G3L_CLKDIVSTATUS, 4, 1) +#define G3L_DIVPL2B_STS DDIV_PACK(G3L_CLKDIVSTATUS, 5, 1) +#define G3L_DIVPL3A_STS DDIV_PACK(G3L_CLKDIVSTATUS, 8, 1) +#define G3L_DIV_CA55_CORE0_STS DDIV_PACK(G3L_CLKDIVSTATUS, 12, 1) +#define G3L_DIV_CA55_CORE1_STS DDIV_PACK(G3L_CLKDIVSTATUS, 13, 1) +#define G3L_DIV_CA55_CORE2_STS DDIV_PACK(G3L_CLKDIVSTATUS, 14, 1) +#define G3L_DIV_CA55_CORE3_STS DDIV_PACK(G3L_CLKDIVSTATUS, 15, 1) +#define G3L_DIV_RSCI0_STS DDIV_PACK(G3L_CLKDIVSTATUS, 16, 1) +#define G3L_DIV_RSCI1_STS DDIV_PACK(G3L_CLKDIVSTATUS, 17, 1) +#define G3L_DIV_RSCI2_STS DDIV_PACK(G3L_CLKDIVSTATUS, 18, 1) +#define G3L_DIV_RSCI3_STS DDIV_PACK(G3L_CLKDIVSTATUS, 19, 1) +#define G3L_DIV_RSPI0_STS DDIV_PACK(G3L_CLKDIVSTATUS, 20, 1) +#define G3L_DIV_RSPI1_STS DDIV_PACK(G3L_CLKDIVSTATUS, 21, 1) +#define G3L_DIV_RSPI2_STS DDIV_PACK(G3L_CLKDIVSTATUS, 22, 1) + +/* RZ/G3L Specific clocks select. */ +#define G3L_SEL_ETH0_TX SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 0, 1) +#define G3L_SEL_ETH0_RX SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 1, 1) +#define G3L_SEL_ETH0_RM SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 2, 1) +#define G3L_SEL_ETH0_CLK_TX_I SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 3, 1) +#define G3L_SEL_ETH0_CLK_RX_I SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 4, 1) +#define G3L_SEL_ETH1_TX SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 8, 1) +#define G3L_SEL_ETH1_RX SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 9, 1) +#define G3L_SEL_ETH1_RM SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 10, 1) +#define G3L_SEL_ETH1_CLK_TX_I SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 11, 1) +#define G3L_SEL_ETH1_CLK_RX_I SEL_PLL_PACK(G3L_CPG_ETH_SSEL, 12, 1) +#define G3L_SEL_RSCI0 SEL_PLL_PACK(G3L_CPG_RSCI_SSEL, 0, 2) +#define G3L_SEL_RSCI1 SEL_PLL_PACK(G3L_CPG_RSCI_SSEL, 2, 2) +#define G3L_SEL_RSCI2 SEL_PLL_PACK(G3L_CPG_RSCI_SSEL, 4, 2) +#define G3L_SEL_RSCI3 SEL_PLL_PACK(G3L_CPG_RSCI_SSEL, 6, 2) +#define G3L_SEL_RSPI0 SEL_PLL_PACK(G3L_CPG_RSPI_SSEL, 0, 2) +#define G3L_SEL_RSPI1 SEL_PLL_PACK(G3L_CPG_RSPI_SSEL, 2, 2) +#define G3L_SEL_RSPI2 SEL_PLL_PACK(G3L_CPG_RSPI_SSEL, 4, 2) + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A08G046_USB_SCLK, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_ETH0_TXC_TX_CLK_IN, + CLK_ETH0_RXC_RX_CLK_IN, + CLK_ETH1_TXC_TX_CLK_IN, + CLK_ETH1_RXC_RX_CLK_IN, + + /* Internal Core Clocks */ + CLK_PLL1, + CLK_PLL2, + CLK_PLL2_DIV2, + CLK_PLL2_DIV2_4, + CLK_PLL2_DIV5, + CLK_PLL2_DIV6, + CLK_PLL2_DIV7, + CLK_PLL3, + CLK_PLL3_DIV2, + CLK_PLL6, + CLK_PLL6_DIV10, + CLK_SEL_ETH0_TX, + CLK_SEL_ETH0_RX, + CLK_SEL_ETH0_RM, + CLK_SEL_ETH1_TX, + CLK_SEL_ETH1_RX, + CLK_SEL_ETH1_RM, + CLK_SEL_RSCI0, + CLK_SEL_RSCI1, + CLK_SEL_RSCI2, + CLK_SEL_RSCI3, + CLK_SEL_RSPI0, + CLK_SEL_RSPI1, + CLK_SEL_RSPI2, + CLK_ETH0_TR, + CLK_ETH0_RM, + CLK_ETH1_TR, + CLK_ETH1_RM, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +/* Divider tables */ +static const struct clk_div_table dtable_1_8[] = { + { 0, 1 }, + { 1, 2 }, + { 2, 4 }, + { 3, 8 }, + { 0, 0 }, +}; + +static const struct clk_div_table dtable_1_32[] = { + { 0, 1 }, + { 1, 2 }, + { 2, 4 }, + { 3, 8 }, + { 4, 16 }, + { 5, 32 }, + { 0, 0 }, +}; + +static const struct clk_div_table dtable_2_20[] = { + { 0, 2 }, + { 1, 20 }, + { 0, 0 }, +}; + +static const struct clk_div_table dtable_2_16[] = { + { 0, 2 }, + { 1, 4 }, + { 2, 8 }, + { 3, 16 }, + { 0, 0 }, +}; + +static const struct clk_div_table dtable_4_128[] = { + { 0, 4 }, + { 1, 8 }, + { 2, 16 }, + { 3, 128 }, + { 0, 0 }, +}; + +static const struct clk_div_table dtable_4_200[] = { + { 0, 4 }, + { 1, 20 }, + { 2, 200 }, + { 0, 0 }, +}; + +static const struct clk_div_table dtable_8_256[] = { + { 0, 8 }, + { 1, 16 }, + { 2, 32 }, + { 3, 256 }, + { 0, 0 }, +}; + +/* Mux clock names tables. */ +static const char * const sel_eth0_tx[] = { ".div_eth0_tr", "eth0_txc_tx_clk" }; +static const char * const sel_eth0_rx[] = { ".div_eth0_tr", "eth0_rxc_rx_clk" }; +static const char * const sel_eth0_rm[] = { ".pll6_div10", "eth0_rxc_rx_clk" }; +static const char * const sel_eth1_tx[] = { ".div_eth1_tr", "eth1_txc_tx_clk" }; +static const char * const sel_eth1_rx[] = { ".div_eth1_tr", "eth1_rxc_rx_clk" }; +static const char * const sel_eth1_rm[] = { ".pll6_div10", "eth1_rxc_rx_clk" }; +static const char * const sel_rsci_rspi[] = { ".pll2_div5", ".pll2_div6", ".pll2_div7", ".pll2_div2_4" }; +static const char * const sel_eth0_clk_tx_i[] = { ".sel_eth0_tx", ".div_eth0_rm" }; +static const char * const sel_eth0_clk_rx_i[] = { ".sel_eth0_rx", ".div_eth0_rm" }; +static const char * const sel_eth1_clk_tx_i[] = { ".sel_eth1_tx", ".div_eth1_rm" }; +static const char * const sel_eth1_clk_rx_i[] = { ".sel_eth1_rx", ".div_eth1_rm" }; + +static const struct cpg_core_clk r9a08g046_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("eth0_txc_tx_clk", CLK_ETH0_TXC_TX_CLK_IN), + DEF_INPUT("eth0_rxc_rx_clk", CLK_ETH0_RXC_RX_CLK_IN), + DEF_INPUT("eth1_txc_tx_clk", CLK_ETH1_TXC_TX_CLK_IN), + DEF_INPUT("eth1_rxc_rx_clk", CLK_ETH1_RXC_RX_CLK_IN), + + /* Internal Core Clocks */ + DEF_G3L_PLL(".pll1", CLK_PLL1, CLK_EXTAL, CPG_PLL_CONF(0, 0x100), + 1200000000UL), + DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 200, 3), + DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 200, 3), + DEF_G3L_PLL(".pll6", CLK_PLL6, CLK_EXTAL, CPG_PLL_CONF(0x50, 0), + 500000000UL), + DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2), + DEF_FIXED(".pll2_div2_4", CLK_PLL2_DIV2_4, CLK_PLL2_DIV2, 1, 4), + DEF_FIXED(".pll2_div5", CLK_PLL2_DIV5, CLK_PLL2, 1, 5), + DEF_FIXED(".pll2_div6", CLK_PLL2_DIV6, CLK_PLL2, 1, 6), + DEF_FIXED(".pll2_div7", CLK_PLL2_DIV7, CLK_PLL2, 1, 7), + DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2), + DEF_FIXED(".pll6_div10", CLK_PLL6_DIV10, CLK_PLL6, 1, 10), + DEF_MUX(".sel_rsci0", CLK_SEL_RSCI0, G3L_SEL_RSCI0, sel_rsci_rspi), + DEF_MUX(".sel_rsci1", CLK_SEL_RSCI1, G3L_SEL_RSCI1, sel_rsci_rspi), + DEF_MUX(".sel_rsci2", CLK_SEL_RSCI2, G3L_SEL_RSCI2, sel_rsci_rspi), + DEF_MUX(".sel_rsci3", CLK_SEL_RSCI3, G3L_SEL_RSCI3, sel_rsci_rspi), + DEF_MUX(".sel_rspi0", CLK_SEL_RSPI0, G3L_SEL_RSPI0, sel_rsci_rspi), + DEF_MUX(".sel_rspi1", CLK_SEL_RSPI1, G3L_SEL_RSPI1, sel_rsci_rspi), + DEF_MUX(".sel_rspi2", CLK_SEL_RSPI2, G3L_SEL_RSPI2, sel_rsci_rspi), + DEF_MUX(".sel_eth0_tx", CLK_SEL_ETH0_TX, G3L_SEL_ETH0_TX, sel_eth0_tx), + DEF_MUX(".sel_eth0_rx", CLK_SEL_ETH0_RX, G3L_SEL_ETH0_RX, sel_eth0_rx), + DEF_MUX(".sel_eth0_rm", CLK_SEL_ETH0_RM, G3L_SEL_ETH0_RM, sel_eth0_rm), + DEF_MUX(".sel_eth1_tx", CLK_SEL_ETH1_TX, G3L_SEL_ETH1_TX, sel_eth1_tx), + DEF_MUX(".sel_eth1_rx", CLK_SEL_ETH1_RX, G3L_SEL_ETH1_RX, sel_eth1_rx), + DEF_MUX(".sel_eth1_rm", CLK_SEL_ETH1_RM, G3L_SEL_ETH1_RM, sel_eth1_rm), + DEF_DIV(".div_eth0_tr", CLK_ETH0_TR, CLK_PLL6, G3L_SDIV_ETH_A, dtable_4_200), + DEF_DIV(".div_eth1_tr", CLK_ETH1_TR, CLK_PLL6, G3L_SDIV_ETH_C, dtable_4_200), + DEF_DIV(".div_eth0_rm", CLK_ETH0_RM, CLK_SEL_ETH0_RM, G3L_SDIV_ETH_B, dtable_2_20), + DEF_DIV(".div_eth1_rm", CLK_ETH1_RM, CLK_SEL_ETH1_RM, G3L_SDIV_ETH_D, dtable_2_20), + + /* Core output clk */ + DEF_G3S_DIV("IC0", R9A08G046_CLK_IC0, CLK_PLL1, G3L_DIV_CA55_CORE0, G3L_DIV_CA55_CORE0_STS, + dtable_1_32, 0, 0, 0, NULL), + DEF_G3S_DIV("IC1", R9A08G046_CLK_IC1, CLK_PLL1, G3L_DIV_CA55_CORE1, G3L_DIV_CA55_CORE1_STS, + dtable_1_32, 0, 0, 0, NULL), + DEF_G3S_DIV("IC2", R9A08G046_CLK_IC2, CLK_PLL1, G3L_DIV_CA55_CORE2, G3L_DIV_CA55_CORE2_STS, + dtable_1_32, 0, 0, 0, NULL), + DEF_G3S_DIV("IC3", R9A08G046_CLK_IC3, CLK_PLL1, G3L_DIV_CA55_CORE3, G3L_DIV_CA55_CORE3_STS, + dtable_1_32, 0, 0, 0, NULL), + DEF_G3S_DIV("P0", R9A08G046_CLK_P0, CLK_PLL2_DIV2, G3L_DIVPL2B, G3L_DIVPL2B_STS, + dtable_8_256, 0, 0, 0, NULL), + DEF_G3S_DIV("P1", R9A08G046_CLK_P1, CLK_PLL3_DIV2, G3L_DIVPL3A, G3L_DIVPL3A_STS, + dtable_4_128, 0, 0, 0, NULL), + DEF_G3S_DIV("P3", R9A08G046_CLK_P3, CLK_PLL2_DIV2, G3L_DIVPL2A, G3L_DIVPL2A_STS, + dtable_4_128, 0, 0, 0, NULL), + DEF_G3S_DIV("P13", R9A08G046_CLK_P13, CLK_SEL_RSCI0, G3L_DIV_RSCI0, G3L_DIV_RSCI0_STS, + dtable_2_16, 0, 100000000UL, 0, NULL), + DEF_G3S_DIV("P14", R9A08G046_CLK_P14, CLK_SEL_RSCI1, G3L_DIV_RSCI1, G3L_DIV_RSCI1_STS, + dtable_2_16, 0, 100000000UL, 0, NULL), + DEF_G3S_DIV("P15", R9A08G046_CLK_P15, CLK_SEL_RSCI2, G3L_DIV_RSCI2, G3L_DIV_RSCI2_STS, + dtable_2_16, 0, 100000000UL, 0, NULL), + DEF_G3S_DIV("P16", R9A08G046_CLK_P16, CLK_SEL_RSCI3, G3L_DIV_RSCI3, G3L_DIV_RSCI3_STS, + dtable_2_16, 0, 100000000UL, 0, NULL), + DEF_G3S_DIV("P17", R9A08G046_CLK_P17, CLK_SEL_RSPI0, G3L_DIV_RSPI0, G3L_DIV_RSPI0_STS, + dtable_1_8, 0, 200000000UL, 0, NULL), + DEF_G3S_DIV("P18", R9A08G046_CLK_P18, CLK_SEL_RSPI1, G3L_DIV_RSPI1, G3L_DIV_RSPI1_STS, + dtable_1_8, 0, 200000000UL, 0, NULL), + DEF_G3S_DIV("P19", R9A08G046_CLK_P19, CLK_SEL_RSPI2, G3L_DIV_RSPI2, G3L_DIV_RSPI2_STS, + dtable_1_8, 0, 200000000UL, 0, NULL), + DEF_FIXED("HP", R9A08G046_CLK_HP, CLK_PLL6_DIV10, 1, 1), + DEF_MUX_FLAGS("ETHTX01", R9A08G046_CLK_ETHTX01, G3L_SEL_ETH0_CLK_TX_I, sel_eth0_clk_tx_i, + CLK_SET_RATE_PARENT), + DEF_MUX_FLAGS("ETHRX01", R9A08G046_CLK_ETHRX01, G3L_SEL_ETH0_CLK_RX_I, sel_eth0_clk_rx_i, + CLK_SET_RATE_PARENT), + DEF_MUX_FLAGS("ETHTX11", R9A08G046_CLK_ETHTX11, G3L_SEL_ETH1_CLK_TX_I, sel_eth1_clk_tx_i, + CLK_SET_RATE_PARENT), + DEF_MUX_FLAGS("ETHRX11", R9A08G046_CLK_ETHRX11, G3L_SEL_ETH1_CLK_RX_I, sel_eth1_clk_rx_i, + CLK_SET_RATE_PARENT), + DEF_FIXED("ETHRM0", R9A08G046_CLK_ETHRM0, CLK_SEL_ETH0_RM, 1, 1), + DEF_FIXED("ETHTX02", R9A08G046_CLK_ETHTX02, CLK_SEL_ETH0_TX, 1, 1), + DEF_FIXED("ETHRX02", R9A08G046_CLK_ETHRX02, CLK_SEL_ETH0_RX, 1, 1), + DEF_FIXED("ETHRM1", R9A08G046_CLK_ETHRM1, CLK_SEL_ETH1_RM, 1, 1), + DEF_FIXED("ETHTX12", R9A08G046_CLK_ETHTX12, CLK_SEL_ETH1_TX, 1, 1), + DEF_FIXED("ETHRX12", R9A08G046_CLK_ETHRX12, CLK_SEL_ETH1_RX, 1, 1), + DEF_FIXED("OSCCLK", R9A08G046_OSCCLK, CLK_EXTAL, 1, 1), +}; + +static const struct rzg2l_mod_clk r9a08g046_mod_clks[] = { + DEF_MOD("gic_gicclk", R9A08G046_GIC600_GICCLK, R9A08G046_CLK_P1, 0x514, 0, + MSTOP(BUS_PERI_COM, BIT(12))), + DEF_MOD("ia55_pclk", R9A08G046_IA55_PCLK, R9A08G046_CLK_P0, 0x518, 0, + MSTOP(BUS_PERI_CPU, BIT(13))), + DEF_MOD("ia55_clk", R9A08G046_IA55_CLK, R9A08G046_CLK_P1, 0x518, 1, + MSTOP(BUS_PERI_CPU, BIT(13))), + DEF_MOD("dmac_aclk", R9A08G046_DMAC_ACLK, R9A08G046_CLK_P3, 0x52c, 0, + MSTOP(BUS_REG1, BIT(2))), + DEF_MOD("dmac_pclk", R9A08G046_DMAC_PCLK, R9A08G046_CLK_P3, 0x52c, 1, + MSTOP(BUS_REG1, BIT(3))), + DEF_MOD("wdt0_pclk", R9A08G046_WDT0_PCLK, R9A08G046_CLK_P0, 0x548, 0, + MSTOP(BUS_REG0, BIT(0))), + DEF_MOD("wdt0_clk", R9A08G046_WDT0_CLK, R9A08G046_OSCCLK, 0x548, 1, + MSTOP(BUS_REG0, BIT(0))), + DEF_MOD("ssi0_pclk2", R9A08G046_SSI0_PCLK2, R9A08G046_CLK_P0, 0x570, 0, + MSTOP(BUS_MCPU1, BIT(10))), + DEF_MOD("ssi0_pclk_sfr", R9A08G046_SSI0_PCLK_SFR, R9A08G046_CLK_P0, 0x570, 1, + MSTOP(BUS_MCPU1, BIT(10))), + DEF_MOD("ssi1_pclk2", R9A08G046_SSI1_PCLK2, R9A08G046_CLK_P0, 0x570, 2, + MSTOP(BUS_MCPU1, BIT(11))), + DEF_MOD("ssi1_pclk_sfr", R9A08G046_SSI1_PCLK_SFR, R9A08G046_CLK_P0, 0x570, 3, + MSTOP(BUS_MCPU1, BIT(11))), + DEF_MOD("ssi2_pclk2", R9A08G046_SSI2_PCLK2, R9A08G046_CLK_P0, 0x570, 4, + MSTOP(BUS_MCPU1, BIT(12))), + DEF_MOD("ssi2_pclk_sfr", R9A08G046_SSI2_PCLK_SFR, R9A08G046_CLK_P0, 0x570, 5, + MSTOP(BUS_MCPU1, BIT(12))), + DEF_MOD("ssi3_pclk2", R9A08G046_SSI3_PCLK2, R9A08G046_CLK_P0, 0x570, 6, + MSTOP(BUS_MCPU1, BIT(13))), + DEF_MOD("ssi3_pclk_sfr", R9A08G046_SSI3_PCLK_SFR, R9A08G046_CLK_P0, 0x570, 7, + MSTOP(BUS_MCPU1, BIT(13))), + DEF_MOD("eth0_clk_axi", R9A08G046_ETH0_CLK_AXI, R9A08G046_CLK_P1, 0x57c, 0, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_MOD("eth1_clk_axi", R9A08G046_ETH1_CLK_AXI, R9A08G046_CLK_P1, 0x57c, 1, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_MOD("eth0_clk_chi", R9A08G046_ETH0_CLK_CHI, R9A08G046_CLK_P1, 0x57c, 2, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_MOD("eth1_clk_chi", R9A08G046_ETH1_CLK_CHI, R9A08G046_CLK_P1, 0x57c, 3, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_COUPLED("eth0_tx_i", R9A08G046_ETH0_CLK_TX_I, R9A08G046_CLK_ETHTX01, 0x57c, 4, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth0_tx_180_i", R9A08G046_ETH0_CLK_TX_180_I, R9A08G046_CLK_ETHTX02, 0x57c, 4, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth1_tx_i", R9A08G046_ETH1_CLK_TX_I, R9A08G046_CLK_ETHTX11, 0x57c, 5, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_COUPLED("eth1_tx_180_i", R9A08G046_ETH1_CLK_TX_180_I, R9A08G046_CLK_ETHTX12, 0x57c, 5, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_COUPLED("eth0_rx_i", R9A08G046_ETH0_CLK_RX_I, R9A08G046_CLK_ETHRX01, 0x57c, 6, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth0_rx_180_i", R9A08G046_ETH0_CLK_RX_180_I, R9A08G046_CLK_ETHRX02, 0x57c, 6, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth1_rx_i", R9A08G046_ETH1_CLK_RX_I, R9A08G046_CLK_ETHRX11, 0x57c, 7, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_COUPLED("eth1_rx_180_i", R9A08G046_ETH1_CLK_RX_180_I, R9A08G046_CLK_ETHRX12, 0x57c, 7, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_MOD("eth0_ptp_ref_i", R9A08G046_ETH0_CLK_PTP_REF_I, R9A08G046_CLK_HP, 0x57c, 8, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_MOD("eth1_ptp_ref_i", R9A08G046_ETH1_CLK_PTP_REF_I, R9A08G046_CLK_HP, 0x57c, 9, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_MOD("eth0_rmii_i", R9A08G046_ETH0_CLK_RMII_I, R9A08G046_CLK_ETHRM0, 0x57c, 10, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_MOD("eth1_rmii_i", R9A08G046_ETH1_CLK_RMII_I, R9A08G046_CLK_ETHRM1, 0x57c, 11, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_COUPLED("eth0_tx_i_rmii", R9A08G046_ETH0_CLK_TX_I_RMII, R9A08G046_CLK_ETHTX01, 0x57c, 12, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth0_rx_i_rmii", R9A08G046_ETH0_CLK_RX_I_RMII, R9A08G046_CLK_ETHRX01, 0x57c, 12, + MSTOP(BUS_PERI_COM, BIT(2))), + DEF_COUPLED("eth1_tx_i_rmii", R9A08G046_ETH1_CLK_TX_I_RMII, R9A08G046_CLK_ETHTX11, 0x57c, 13, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_COUPLED("eth1_rx_i_rmii", R9A08G046_ETH1_CLK_RX_I_RMII, R9A08G046_CLK_ETHRX11, 0x57c, 13, + MSTOP(BUS_PERI_COM, BIT(3))), + DEF_MOD("i2c0_pclk", R9A08G046_I2C0_PCLK, R9A08G046_CLK_P0, 0x580, 0, + MSTOP(BUS_MCPU2, BIT(10))), + DEF_MOD("i2c1_pclk", R9A08G046_I2C1_PCLK, R9A08G046_CLK_P0, 0x580, 1, + MSTOP(BUS_MCPU2, BIT(11))), + DEF_MOD("i2c2_pclk", R9A08G046_I2C2_PCLK, R9A08G046_CLK_P0, 0x580, 2, + MSTOP(BUS_MCPU2, BIT(12))), + DEF_MOD("i2c3_pclk", R9A08G046_I2C3_PCLK, R9A08G046_CLK_P0, 0x580, 3, + MSTOP(BUS_MCPU2, BIT(13))), + DEF_MOD("scif0_clk_pck", R9A08G046_SCIF0_CLK_PCK, R9A08G046_CLK_P0, 0x584, 0, + MSTOP(BUS_MCPU2, BIT(1))), + DEF_MOD("scif1_clk_pck", R9A08G046_SCIF1_CLK_PCK, R9A08G046_CLK_P0, 0x584, 1, + MSTOP(BUS_MCPU2, BIT(2))), + DEF_MOD("scif2_clk_pck", R9A08G046_SCIF2_CLK_PCK, R9A08G046_CLK_P0, 0x584, 2, + MSTOP(BUS_MCPU2, BIT(3))), + DEF_MOD("scif3_clk_pck", R9A08G046_SCIF3_CLK_PCK, R9A08G046_CLK_P0, 0x584, 3, + MSTOP(BUS_MCPU2, BIT(4))), + DEF_MOD("scif4_clk_pck", R9A08G046_SCIF4_CLK_PCK, R9A08G046_CLK_P0, 0x584, 4, + MSTOP(BUS_MCPU2, BIT(5))), + DEF_MOD("scif5_clk_pck", R9A08G046_SCIF5_CLK_PCK, R9A08G046_CLK_P0, 0x584, 5, + MSTOP(BUS_MCPU3, BIT(4))), + DEF_MOD("rspi0_pclk", R9A08G046_RSPI0_PCLK, R9A08G046_CLK_P3, 0x590, 0, + MSTOP(BUS_MCPU1, BIT(14))), + DEF_MOD("rspi1_pclk", R9A08G046_RSPI1_PCLK, R9A08G046_CLK_P3, 0x590, 1, + MSTOP(BUS_MCPU1, BIT(15))), + DEF_MOD("rspi2_pclk", R9A08G046_RSPI2_PCLK, R9A08G046_CLK_P3, 0x590, 2, + MSTOP(BUS_MCPU2, BIT(0))), + DEF_MOD("rspi0_tclk", R9A08G046_RSPI0_TCLK, R9A08G046_CLK_P17, 0x590, 8, + MSTOP(BUS_MCPU1, BIT(14))), + DEF_MOD("rspi1_tclk", R9A08G046_RSPI1_TCLK, R9A08G046_CLK_P18, 0x590, 9, + MSTOP(BUS_MCPU1, BIT(15))), + DEF_MOD("rspi2_tclk", R9A08G046_RSPI2_TCLK, R9A08G046_CLK_P19, 0x590, 10, + MSTOP(BUS_MCPU2, BIT(0))), + DEF_MOD("gpio_hclk", R9A08G046_GPIO_HCLK, R9A08G046_OSCCLK, 0x598, 0, + MSTOP(BUS_PERI_CPU, BIT(6))), + DEF_MOD("rsci0_pclk", R9A08G046_RSCI0_PCLK, R9A08G046_CLK_P0, 0x618, 0, + MSTOP(BUS_MCPU2, BIT(7))), + DEF_MOD("rsci1_pclk", R9A08G046_RSCI1_PCLK, R9A08G046_CLK_P0, 0x618, 1, + MSTOP(BUS_MCPU2, BIT(8))), + DEF_MOD("rsci2_pclk", R9A08G046_RSCI2_PCLK, R9A08G046_CLK_P0, 0x618, 2, + MSTOP(BUS_MCPU3, BIT(11))), + DEF_MOD("rsci3_pclk", R9A08G046_RSCI3_PCLK, R9A08G046_CLK_P0, 0x618, 3, + MSTOP(BUS_MCPU3, BIT(12))), + DEF_MOD("rsci0_tclk", R9A08G046_RSCI0_TCLK, R9A08G046_CLK_P13, 0x618, 8, + MSTOP(BUS_MCPU2, BIT(7))), + DEF_MOD("rsci1_tclk", R9A08G046_RSCI1_TCLK, R9A08G046_CLK_P14, 0x618, 9, + MSTOP(BUS_MCPU2, BIT(8))), + DEF_MOD("rsci2_tclk", R9A08G046_RSCI2_TCLK, R9A08G046_CLK_P15, 0x618, 10, + MSTOP(BUS_MCPU3, BIT(11))), + DEF_MOD("rsci3_tclk", R9A08G046_RSCI3_TCLK, R9A08G046_CLK_P16, 0x618, 11, + MSTOP(BUS_MCPU3, BIT(12))), +}; + +static const struct rzg2l_reset r9a08g046_resets[] = { + DEF_RST(R9A08G046_GIC600_GICRESET_N, 0x814, 0), + DEF_RST(R9A08G046_GIC600_DBG_GICRESET_N, 0x814, 1), + DEF_RST(R9A08G046_IA55_RESETN, 0x818, 0), + DEF_RST(R9A08G046_DMAC_ARESETN, 0x82c, 0), + DEF_RST(R9A08G046_DMAC_RST_ASYNC, 0x82c, 1), + DEF_RST(R9A08G046_WDT0_PRESETN, 0x848, 0), + DEF_RST(R9A08G046_SSI0_RST_M2_REG, 0x870, 0), + DEF_RST(R9A08G046_SSI1_RST_M2_REG, 0x870, 1), + DEF_RST(R9A08G046_SSI2_RST_M2_REG, 0x870, 2), + DEF_RST(R9A08G046_SSI3_RST_M2_REG, 0x870, 3), + DEF_RST(R9A08G046_ETH0_ARESET_N, 0x87c, 0), + DEF_RST(R9A08G046_ETH1_ARESET_N, 0x87c, 1), + DEF_RST(R9A08G046_I2C0_MRST, 0x880, 0), + DEF_RST(R9A08G046_I2C1_MRST, 0x880, 1), + DEF_RST(R9A08G046_I2C2_MRST, 0x880, 2), + DEF_RST(R9A08G046_I2C3_MRST, 0x880, 3), + DEF_RST(R9A08G046_SCIF0_RST_SYSTEM_N, 0x884, 0), + DEF_RST(R9A08G046_SCIF1_RST_SYSTEM_N, 0x884, 1), + DEF_RST(R9A08G046_SCIF2_RST_SYSTEM_N, 0x884, 2), + DEF_RST(R9A08G046_SCIF3_RST_SYSTEM_N, 0x884, 3), + DEF_RST(R9A08G046_SCIF4_RST_SYSTEM_N, 0x884, 4), + DEF_RST(R9A08G046_SCIF5_RST_SYSTEM_N, 0x884, 5), + DEF_RST(R9A08G046_RSPI0_PRESETN, 0x890, 0), + DEF_RST(R9A08G046_RSPI1_PRESETN, 0x890, 1), + DEF_RST(R9A08G046_RSPI2_PRESETN, 0x890, 2), + DEF_RST(R9A08G046_RSPI0_TRESETN, 0x890, 8), + DEF_RST(R9A08G046_RSPI1_TRESETN, 0x890, 9), + DEF_RST(R9A08G046_RSPI2_TRESETN, 0x890, 10), + DEF_RST(R9A08G046_GPIO_RSTN, 0x898, 0), + DEF_RST(R9A08G046_GPIO_PORT_RESETN, 0x898, 1), + DEF_RST(R9A08G046_GPIO_SPARE_RESETN, 0x898, 2), + DEF_RST(R9A08G046_RSCI0_PRESETN, 0x918, 0), + DEF_RST(R9A08G046_RSCI1_PRESETN, 0x918, 1), + DEF_RST(R9A08G046_RSCI2_PRESETN, 0x918, 2), + DEF_RST(R9A08G046_RSCI3_PRESETN, 0x918, 3), + DEF_RST(R9A08G046_RSCI0_TRESETN, 0x918, 8), + DEF_RST(R9A08G046_RSCI1_TRESETN, 0x918, 9), + DEF_RST(R9A08G046_RSCI2_TRESETN, 0x918, 10), + DEF_RST(R9A08G046_RSCI3_TRESETN, 0x918, 11), +}; + +static const unsigned int r9a08g046_crit_mod_clks[] __initconst = { + MOD_CLK_BASE + R9A08G046_GIC600_GICCLK, + MOD_CLK_BASE + R9A08G046_IA55_PCLK, + MOD_CLK_BASE + R9A08G046_IA55_CLK, + MOD_CLK_BASE + R9A08G046_DMAC_ACLK, +}; + +static const unsigned int r9a08g046_crit_resets[] = { + R9A08G046_DMAC_ARESETN, + R9A08G046_DMAC_RST_ASYNC, +}; + +static const unsigned int r9a08g046_no_pm_mod_clks[] = { + MOD_CLK_BASE + R9A08G046_ETH0_CLK_TX_I, + MOD_CLK_BASE + R9A08G046_ETH0_CLK_TX_180_I, + MOD_CLK_BASE + R9A08G046_ETH0_CLK_RX_I, + MOD_CLK_BASE + R9A08G046_ETH0_CLK_RX_180_I, + MOD_CLK_BASE + R9A08G046_ETH0_CLK_RMII_I, + MOD_CLK_BASE + R9A08G046_ETH0_CLK_TX_I_RMII, + MOD_CLK_BASE + R9A08G046_ETH0_CLK_RX_I_RMII, + MOD_CLK_BASE + R9A08G046_ETH1_CLK_TX_I, + MOD_CLK_BASE + R9A08G046_ETH1_CLK_TX_180_I, + MOD_CLK_BASE + R9A08G046_ETH1_CLK_RX_I, + MOD_CLK_BASE + R9A08G046_ETH1_CLK_RX_180_I, + MOD_CLK_BASE + R9A08G046_ETH1_CLK_RMII_I, + MOD_CLK_BASE + R9A08G046_ETH1_CLK_TX_I_RMII, + MOD_CLK_BASE + R9A08G046_ETH1_CLK_RX_I_RMII, +}; + +const struct rzg2l_cpg_info r9a08g046_cpg_info = { + /* Core Clocks */ + .core_clks = r9a08g046_core_clks, + .num_core_clks = ARRAY_SIZE(r9a08g046_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Critical Module Clocks */ + .crit_mod_clks = r9a08g046_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r9a08g046_crit_mod_clks), + + /* Module Clocks */ + .mod_clks = r9a08g046_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a08g046_mod_clks), + .num_hw_mod_clks = R9A08G046_BSC_X_BCK_BSC + 1, + + /* No PM modules Clocks */ + .no_pm_mod_clks = r9a08g046_no_pm_mod_clks, + .num_no_pm_mod_clks = ARRAY_SIZE(r9a08g046_no_pm_mod_clks), + + /* Resets */ + .resets = r9a08g046_resets, + .num_resets = R9A08G046_BSC_X_PRESET_BSC + 1, /* Last reset ID + 1 */ + + /* Critical Resets */ + .crit_resets = r9a08g046_crit_resets, + .num_crit_resets = ARRAY_SIZE(r9a08g046_crit_resets), + + .has_clk_mon_regs = true, +}; diff --git a/drivers/clk/renesas/r9a09g011-cpg.c b/drivers/clk/renesas/r9a09g011-cpg.c new file mode 100644 index 000000000..a99ab1375 --- /dev/null +++ b/drivers/clk/renesas/r9a09g011-cpg.c @@ -0,0 +1,263 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/V2M Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2022 Renesas Electronics Corp. + * + * Based on r9a07g044-cpg.c + */ + +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/r9a09g011-cpg.h> + +#include "rzg2l-cpg.h" + +#define DIV_A DDIV_PACK(0x200, 0, 3) +#define DIV_B DDIV_PACK(0x204, 0, 2) +#define DIV_D DDIV_PACK(0x204, 4, 2) +#define DIV_E DDIV_PACK(0x204, 8, 1) +#define DIV_W DDIV_PACK(0x328, 0, 3) + +#define SEL_B SEL_PLL_PACK(0x214, 0, 1) +#define SEL_CSI0 SEL_PLL_PACK(0x330, 0, 1) +#define SEL_CSI4 SEL_PLL_PACK(0x330, 4, 1) +#define SEL_D SEL_PLL_PACK(0x214, 1, 1) +#define SEL_E SEL_PLL_PACK(0x214, 2, 1) +#define SEL_SDI SEL_PLL_PACK(0x300, 0, 1) +#define SEL_W0 SEL_PLL_PACK(0x32C, 0, 1) + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = 0, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_MAIN_24, + CLK_MAIN_2, + CLK_PLL1, + CLK_PLL2, + CLK_PLL2_800, + CLK_PLL2_400, + CLK_PLL2_200, + CLK_PLL2_100, + CLK_PLL4, + CLK_DIV_A, + CLK_DIV_B, + CLK_DIV_D, + CLK_DIV_E, + CLK_DIV_W, + CLK_SEL_B, + CLK_SEL_B_D2, + CLK_SEL_CSI0, + CLK_SEL_CSI4, + CLK_SEL_D, + CLK_SEL_E, + CLK_SEL_SDI, + CLK_SEL_W0, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +/* Divider tables */ +static const struct clk_div_table dtable_diva[] = { + {0, 1}, + {1, 2}, + {2, 3}, + {3, 4}, + {4, 6}, + {5, 12}, + {6, 24}, + {0, 0}, +}; + +static const struct clk_div_table dtable_divb[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {0, 0}, +}; + +static const struct clk_div_table dtable_divd[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {0, 0}, +}; + +static const struct clk_div_table dtable_divw[] = { + {0, 6}, + {1, 7}, + {2, 8}, + {3, 9}, + {4, 10}, + {5, 11}, + {6, 12}, + {0, 0}, +}; + +/* Mux clock tables */ +static const char * const sel_b[] = { ".main", ".divb" }; +static const char * const sel_csi[] = { ".main_24", ".main" }; +static const char * const sel_d[] = { ".main", ".divd" }; +static const char * const sel_e[] = { ".main", ".dive" }; +static const char * const sel_w[] = { ".main", ".divw" }; +static const char * const sel_sdi[] = { ".main", ".pll2_200" }; + +static const struct cpg_core_clk r9a09g011_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_FIXED(".main", CLK_MAIN, CLK_EXTAL, 1, 1), + DEF_FIXED(".main_24", CLK_MAIN_24, CLK_MAIN, 1, 2), + DEF_FIXED(".main_2", CLK_MAIN_2, CLK_MAIN, 1, 24), + DEF_FIXED(".pll1", CLK_PLL1, CLK_MAIN_2, 498, 1), + DEF_FIXED(".pll2", CLK_PLL2, CLK_MAIN_2, 800, 1), + DEF_FIXED(".pll2_800", CLK_PLL2_800, CLK_PLL2, 1, 2), + DEF_FIXED(".pll2_400", CLK_PLL2_400, CLK_PLL2_800, 1, 2), + DEF_FIXED(".pll2_200", CLK_PLL2_200, CLK_PLL2_800, 1, 4), + DEF_FIXED(".pll2_100", CLK_PLL2_100, CLK_PLL2_800, 1, 8), + DEF_SAMPLL(".pll4", CLK_PLL4, CLK_MAIN_2, CPG_SAM_PLL_CONF(0x100)), + + DEF_DIV_RO(".diva", CLK_DIV_A, CLK_PLL1, DIV_A, dtable_diva), + DEF_DIV_RO(".divb", CLK_DIV_B, CLK_PLL2_400, DIV_B, dtable_divb), + DEF_DIV_RO(".divd", CLK_DIV_D, CLK_PLL2_200, DIV_D, dtable_divd), + DEF_DIV_RO(".dive", CLK_DIV_E, CLK_PLL2_100, DIV_E, NULL), + DEF_DIV_RO(".divw", CLK_DIV_W, CLK_PLL4, DIV_W, dtable_divw), + + DEF_MUX_RO(".selb", CLK_SEL_B, SEL_B, sel_b), + DEF_MUX_RO(".seld", CLK_SEL_D, SEL_D, sel_d), + DEF_MUX_RO(".sele", CLK_SEL_E, SEL_E, sel_e), + DEF_MUX(".selsdi", CLK_SEL_SDI, SEL_SDI, sel_sdi), + DEF_MUX(".selcsi0", CLK_SEL_CSI0, SEL_CSI0, sel_csi), + DEF_MUX(".selcsi4", CLK_SEL_CSI4, SEL_CSI4, sel_csi), + DEF_MUX(".selw0", CLK_SEL_W0, SEL_W0, sel_w), + + DEF_FIXED(".selb_d2", CLK_SEL_B_D2, CLK_SEL_B, 1, 2), +}; + +static const struct rzg2l_mod_clk r9a09g011_mod_clks[] __initconst = { + DEF_MOD("pfc", R9A09G011_PFC_PCLK, CLK_MAIN, 0x400, 2, 0), + DEF_MOD("gic", R9A09G011_GIC_CLK, CLK_SEL_B_D2, 0x400, 5, 0), + DEF_MOD("sdi0_aclk", R9A09G011_SDI0_ACLK, CLK_SEL_D, 0x408, 0, 0), + DEF_MOD("sdi0_imclk", R9A09G011_SDI0_IMCLK, CLK_SEL_SDI, 0x408, 1, 0), + DEF_MOD("sdi0_imclk2", R9A09G011_SDI0_IMCLK2, CLK_SEL_SDI, 0x408, 2, 0), + DEF_MOD("sdi0_clk_hs", R9A09G011_SDI0_CLK_HS, CLK_PLL2_800, 0x408, 3, 0), + DEF_MOD("sdi1_aclk", R9A09G011_SDI1_ACLK, CLK_SEL_D, 0x408, 4, 0), + DEF_MOD("sdi1_imclk", R9A09G011_SDI1_IMCLK, CLK_SEL_SDI, 0x408, 5, 0), + DEF_MOD("sdi1_imclk2", R9A09G011_SDI1_IMCLK2, CLK_SEL_SDI, 0x408, 6, 0), + DEF_MOD("sdi1_clk_hs", R9A09G011_SDI1_CLK_HS, CLK_PLL2_800, 0x408, 7, 0), + DEF_MOD("emm_aclk", R9A09G011_EMM_ACLK, CLK_SEL_D, 0x408, 8, 0), + DEF_MOD("emm_imclk", R9A09G011_EMM_IMCLK, CLK_SEL_SDI, 0x408, 9, 0), + DEF_MOD("emm_imclk2", R9A09G011_EMM_IMCLK2, CLK_SEL_SDI, 0x408, 10, 0), + DEF_MOD("emm_clk_hs", R9A09G011_EMM_CLK_HS, CLK_PLL2_800, 0x408, 11, 0), + DEF_COUPLED("eth_axi", R9A09G011_ETH0_CLK_AXI, CLK_PLL2_200, 0x40c, 8, 0), + DEF_COUPLED("eth_chi", R9A09G011_ETH0_CLK_CHI, CLK_PLL2_100, 0x40c, 8, 0), + DEF_MOD("eth_clk_gptp", R9A09G011_ETH0_GPTP_EXT, CLK_PLL2_100, 0x40c, 9, 0), + DEF_MOD("usb_aclk_h", R9A09G011_USB_ACLK_H, CLK_SEL_D, 0x40c, 4, 0), + DEF_MOD("usb_aclk_p", R9A09G011_USB_ACLK_P, CLK_SEL_D, 0x40c, 5, 0), + DEF_MOD("usb_pclk", R9A09G011_USB_PCLK, CLK_SEL_E, 0x40c, 6, 0), + DEF_MOD("syc_cnt_clk", R9A09G011_SYC_CNT_CLK, CLK_MAIN_24, 0x41c, 12, 0), + DEF_MOD("iic_pclk0", R9A09G011_IIC_PCLK0, CLK_SEL_E, 0x420, 12, 0), + DEF_MOD("cperi_grpb", R9A09G011_CPERI_GRPB_PCLK, CLK_SEL_E, 0x424, 0, 0), + DEF_MOD("tim_clk_8", R9A09G011_TIM8_CLK, CLK_MAIN_2, 0x424, 4, 0), + DEF_MOD("tim_clk_9", R9A09G011_TIM9_CLK, CLK_MAIN_2, 0x424, 5, 0), + DEF_MOD("tim_clk_10", R9A09G011_TIM10_CLK, CLK_MAIN_2, 0x424, 6, 0), + DEF_MOD("tim_clk_11", R9A09G011_TIM11_CLK, CLK_MAIN_2, 0x424, 7, 0), + DEF_MOD("tim_clk_12", R9A09G011_TIM12_CLK, CLK_MAIN_2, 0x424, 8, 0), + DEF_MOD("tim_clk_13", R9A09G011_TIM13_CLK, CLK_MAIN_2, 0x424, 9, 0), + DEF_MOD("tim_clk_14", R9A09G011_TIM14_CLK, CLK_MAIN_2, 0x424, 10, 0), + DEF_MOD("tim_clk_15", R9A09G011_TIM15_CLK, CLK_MAIN_2, 0x424, 11, 0), + DEF_MOD("iic_pclk1", R9A09G011_IIC_PCLK1, CLK_SEL_E, 0x424, 12, 0), + DEF_MOD("cperi_grpc", R9A09G011_CPERI_GRPC_PCLK, CLK_SEL_E, 0x428, 0, 0), + DEF_MOD("tim_clk_16", R9A09G011_TIM16_CLK, CLK_MAIN_2, 0x428, 4, 0), + DEF_MOD("tim_clk_17", R9A09G011_TIM17_CLK, CLK_MAIN_2, 0x428, 5, 0), + DEF_MOD("tim_clk_18", R9A09G011_TIM18_CLK, CLK_MAIN_2, 0x428, 6, 0), + DEF_MOD("tim_clk_19", R9A09G011_TIM19_CLK, CLK_MAIN_2, 0x428, 7, 0), + DEF_MOD("tim_clk_20", R9A09G011_TIM20_CLK, CLK_MAIN_2, 0x428, 8, 0), + DEF_MOD("tim_clk_21", R9A09G011_TIM21_CLK, CLK_MAIN_2, 0x428, 9, 0), + DEF_MOD("tim_clk_22", R9A09G011_TIM22_CLK, CLK_MAIN_2, 0x428, 10, 0), + DEF_MOD("tim_clk_23", R9A09G011_TIM23_CLK, CLK_MAIN_2, 0x428, 11, 0), + DEF_MOD("wdt0_pclk", R9A09G011_WDT0_PCLK, CLK_SEL_E, 0x428, 12, 0), + DEF_MOD("wdt0_clk", R9A09G011_WDT0_CLK, CLK_MAIN, 0x428, 13, 0), + DEF_MOD("cperi_grpf", R9A09G011_CPERI_GRPF_PCLK, CLK_SEL_E, 0x434, 0, 0), + DEF_MOD("pwm8_clk", R9A09G011_PWM8_CLK, CLK_MAIN, 0x434, 4, 0), + DEF_MOD("pwm9_clk", R9A09G011_PWM9_CLK, CLK_MAIN, 0x434, 5, 0), + DEF_MOD("pwm10_clk", R9A09G011_PWM10_CLK, CLK_MAIN, 0x434, 6, 0), + DEF_MOD("pwm11_clk", R9A09G011_PWM11_CLK, CLK_MAIN, 0x434, 7, 0), + DEF_MOD("pwm12_clk", R9A09G011_PWM12_CLK, CLK_MAIN, 0x434, 8, 0), + DEF_MOD("pwm13_clk", R9A09G011_PWM13_CLK, CLK_MAIN, 0x434, 9, 0), + DEF_MOD("pwm14_clk", R9A09G011_PWM14_CLK, CLK_MAIN, 0x434, 10, 0), + DEF_MOD("cperi_grpg", R9A09G011_CPERI_GRPG_PCLK, CLK_SEL_E, 0x438, 0, 0), + DEF_MOD("cperi_grph", R9A09G011_CPERI_GRPH_PCLK, CLK_SEL_E, 0x438, 1, 0), + DEF_MOD("urt_pclk", R9A09G011_URT_PCLK, CLK_SEL_E, 0x438, 4, 0), + DEF_MOD("urt0_clk", R9A09G011_URT0_CLK, CLK_SEL_W0, 0x438, 5, 0), + DEF_MOD("csi0_clk", R9A09G011_CSI0_CLK, CLK_SEL_CSI0, 0x438, 8, 0), + DEF_MOD("csi4_clk", R9A09G011_CSI4_CLK, CLK_SEL_CSI4, 0x438, 12, 0), + DEF_MOD("ca53", R9A09G011_CA53_CLK, CLK_DIV_A, 0x448, 0, 0), +}; + +static const struct rzg2l_reset r9a09g011_resets[] = { + DEF_RST(R9A09G011_PFC_PRESETN, 0x600, 2), + DEF_RST_MON(R9A09G011_SDI0_IXRST, 0x608, 0, 6), + DEF_RST_MON(R9A09G011_SDI1_IXRST, 0x608, 1, 7), + DEF_RST_MON(R9A09G011_EMM_IXRST, 0x608, 2, 8), + DEF_RST(R9A09G011_USB_PRESET_N, 0x608, 7), + DEF_RST(R9A09G011_USB_DRD_RESET, 0x608, 8), + DEF_RST(R9A09G011_USB_ARESETN_P, 0x608, 9), + DEF_RST(R9A09G011_USB_ARESETN_H, 0x608, 10), + DEF_RST_MON(R9A09G011_ETH0_RST_HW_N, 0x608, 11, 11), + DEF_RST_MON(R9A09G011_SYC_RST_N, 0x610, 9, 13), + DEF_RST(R9A09G011_TIM_GPB_PRESETN, 0x614, 1), + DEF_RST(R9A09G011_TIM_GPC_PRESETN, 0x614, 2), + DEF_RST_MON(R9A09G011_PWM_GPF_PRESETN, 0x614, 5, 23), + DEF_RST_MON(R9A09G011_CSI_GPG_PRESETN, 0x614, 6, 22), + DEF_RST_MON(R9A09G011_CSI_GPH_PRESETN, 0x614, 7, 23), + DEF_RST(R9A09G011_IIC_GPA_PRESETN, 0x614, 8), + DEF_RST(R9A09G011_IIC_GPB_PRESETN, 0x614, 9), + DEF_RST_MON(R9A09G011_WDT0_PRESETN, 0x614, 12, 19), +}; + +static const unsigned int r9a09g011_crit_mod_clks[] __initconst = { + MOD_CLK_BASE + R9A09G011_CA53_CLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPB_PCLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPC_PCLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPF_PCLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPG_PCLK, + MOD_CLK_BASE + R9A09G011_CPERI_GRPH_PCLK, + MOD_CLK_BASE + R9A09G011_GIC_CLK, + MOD_CLK_BASE + R9A09G011_SYC_CNT_CLK, + MOD_CLK_BASE + R9A09G011_URT_PCLK, +}; + +const struct rzg2l_cpg_info r9a09g011_cpg_info = { + /* Core Clocks */ + .core_clks = r9a09g011_core_clks, + .num_core_clks = ARRAY_SIZE(r9a09g011_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Critical Module Clocks */ + .crit_mod_clks = r9a09g011_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r9a09g011_crit_mod_clks), + + /* Module Clocks */ + .mod_clks = r9a09g011_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a09g011_mod_clks), + .num_hw_mod_clks = R9A09G011_CA53_CLK + 1, + + /* Resets */ + .resets = r9a09g011_resets, + .num_resets = ARRAY_SIZE(r9a09g011_resets), + + .has_clk_mon_regs = false, +}; diff --git a/drivers/clk/renesas/r9a09g047-cpg.c b/drivers/clk/renesas/r9a09g047-cpg.c new file mode 100644 index 000000000..94158b683 --- /dev/null +++ b/drivers/clk/renesas/r9a09g047-cpg.c @@ -0,0 +1,645 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas RZ/G3E CPG driver + * + * Copyright (C) 2024 Renesas Electronics Corp. + */ + +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/renesas,r9a09g047-cpg.h> + +#include "rzv2h-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A09G047_USB2_0_CLK_CORE1, + + /* External Input Clocks */ + CLK_AUDIO_EXTAL, + CLK_RTXIN, + CLK_QEXTAL, + + /* PLL Clocks */ + CLK_PLLCM33, + CLK_PLLCLN, + CLK_PLLDTY, + CLK_PLLCA55, + CLK_PLLVDO, + CLK_PLLETH, + CLK_PLLDSI0, + CLK_PLLDSI1, + + /* Internal Core Clocks */ + CLK_PLLCM33_DIV3, + CLK_PLLCM33_DIV4, + CLK_PLLCM33_DIV5, + CLK_PLLCM33_DIV16, + CLK_PLLCM33_GEAR, + CLK_SMUX2_XSPI_CLK0, + CLK_SMUX2_XSPI_CLK1, + CLK_PLLCM33_XSPI, + CLK_PLLCLN_DIV2, + CLK_PLLCLN_DIV8, + CLK_PLLCLN_DIV16, + CLK_PLLCLN_DIV20, + CLK_PLLCLN_DIV64, + CLK_PLLCLN_DIV256, + CLK_PLLCLN_DIV1024, + CLK_PLLDTY_ACPU, + CLK_PLLDTY_ACPU_DIV2, + CLK_PLLDTY_ACPU_DIV4, + CLK_PLLDTY_DIV8, + CLK_PLLDTY_RCPU, + CLK_PLLDTY_RCPU_DIV4, + CLK_PLLETH_DIV_250_FIX, + CLK_PLLETH_DIV_125_FIX, + CLK_CSDIV_PLLETH_GBE0, + CLK_CSDIV_PLLETH_GBE1, + CLK_SMUX2_DSI0_CLK, + CLK_SMUX2_DSI1_CLK, + CLK_SMUX2_GBE0_TXCLK, + CLK_SMUX2_GBE0_RXCLK, + CLK_SMUX2_GBE1_TXCLK, + CLK_SMUX2_GBE1_RXCLK, + CLK_PLLDTY_DIV16, + CLK_PLLVDO_CRU0, + CLK_PLLVDO_GPU, + CLK_PLLETH_DIV4_LPCLK, + CLK_PLLETH_LPCLK, + CLK_PLLDSI0_DIV7, + CLK_PLLDSI1_DIV7, + CLK_PLLDSI0_CSDIV, + CLK_PLLDSI1_CSDIV, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +static const struct clk_div_table dtable_1_8[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_4[] = { + {0, 2}, + {1, 4}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_16[] = { + {0, 2}, + {1, 4}, + {2, 8}, + {3, 16}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_16_plldsi[] = { + {0, 2}, + {1, 4}, + {2, 6}, + {3, 8}, + {4, 10}, + {5, 12}, + {6, 14}, + {7, 16}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_64[] = { + {0, 2}, + {1, 4}, + {2, 8}, + {3, 16}, + {4, 64}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_100[] = { + {0, 2}, + {1, 10}, + {2, 100}, + {0, 0}, +}; + +static const struct clk_div_table dtable_16_128[] = { + {0, 16}, + {1, 32}, + {2, 64}, + {3, 128}, + {0, 0}, +}; + +RZG3E_CPG_PLL_DSI0_LIMITS(rzg3e_cpg_pll_dsi0_limits); +RZG3E_CPG_PLL_DSI1_LIMITS(rzg3e_cpg_pll_dsi1_limits); + +#define PLLDSI0 PLL_PACK_LIMITS(0xc0, 1, 0, &rzg3e_cpg_pll_dsi0_limits) +#define PLLDSI1 PLL_PACK_LIMITS(0x160, 1, 1, &rzg3e_cpg_pll_dsi1_limits) + +/* Mux clock tables */ +static const char * const smux2_dsi0_clk[] = { ".plldsi0_div7", ".plldsi0_csdiv" }; +static const char * const smux2_dsi1_clk[] = { ".plldsi1_div7", ".plldsi1_csdiv" }; +static const char * const smux2_gbe0_rxclk[] = { ".plleth_gbe0", "et0_rxclk" }; +static const char * const smux2_gbe0_txclk[] = { ".plleth_gbe0", "et0_txclk" }; +static const char * const smux2_gbe1_rxclk[] = { ".plleth_gbe1", "et1_rxclk" }; +static const char * const smux2_gbe1_txclk[] = { ".plleth_gbe1", "et1_txclk" }; +static const char * const smux2_xspi_clk0[] = { ".pllcm33_div3", ".pllcm33_div4" }; +static const char * const smux2_xspi_clk1[] = { ".smux2_xspi_clk0", ".pllcm33_div5" }; + +static const struct cpg_core_clk r9a09g047_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("audio_extal", CLK_AUDIO_EXTAL), + DEF_INPUT("rtxin", CLK_RTXIN), + DEF_INPUT("qextal", CLK_QEXTAL), + + /* PLL Clocks */ + DEF_FIXED(".pllcm33", CLK_PLLCM33, CLK_QEXTAL, 200, 3), + DEF_FIXED(".pllcln", CLK_PLLCLN, CLK_QEXTAL, 200, 3), + DEF_FIXED(".plldty", CLK_PLLDTY, CLK_QEXTAL, 200, 3), + DEF_PLL(".pllca55", CLK_PLLCA55, CLK_QEXTAL, PLLCA55), + DEF_FIXED(".plleth", CLK_PLLETH, CLK_QEXTAL, 125, 3), + DEF_FIXED(".pllvdo", CLK_PLLVDO, CLK_QEXTAL, 105, 2), + DEF_PLLDSI(".plldsi0", CLK_PLLDSI0, CLK_QEXTAL, PLLDSI0), + DEF_PLLDSI(".plldsi1", CLK_PLLDSI1, CLK_QEXTAL, PLLDSI1), + + /* Internal Core Clocks */ + DEF_FIXED(".pllcm33_div3", CLK_PLLCM33_DIV3, CLK_PLLCM33, 1, 3), + DEF_FIXED(".pllcm33_div4", CLK_PLLCM33_DIV4, CLK_PLLCM33, 1, 4), + DEF_FIXED(".pllcm33_div5", CLK_PLLCM33_DIV5, CLK_PLLCM33, 1, 5), + DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16), + + DEF_DDIV(".pllcm33_gear", CLK_PLLCM33_GEAR, CLK_PLLCM33_DIV4, CDDIV0_DIVCTL1, dtable_2_64), + + DEF_SMUX(".smux2_xspi_clk0", CLK_SMUX2_XSPI_CLK0, SSEL1_SELCTL2, smux2_xspi_clk0), + DEF_SMUX(".smux2_xspi_clk1", CLK_SMUX2_XSPI_CLK1, SSEL1_SELCTL3, smux2_xspi_clk1), + DEF_CSDIV(".pllcm33_xspi", CLK_PLLCM33_XSPI, CLK_SMUX2_XSPI_CLK1, CSDIV0_DIVCTL3, + dtable_2_16), + DEF_FIXED(".pllcln_div2", CLK_PLLCLN_DIV2, CLK_PLLCLN, 1, 2), + DEF_FIXED(".pllcln_div8", CLK_PLLCLN_DIV8, CLK_PLLCLN, 1, 8), + DEF_FIXED(".pllcln_div16", CLK_PLLCLN_DIV16, CLK_PLLCLN, 1, 16), + DEF_FIXED(".pllcln_div20", CLK_PLLCLN_DIV20, CLK_PLLCLN, 1, 20), + DEF_FIXED(".pllcln_div64", CLK_PLLCLN_DIV64, CLK_PLLCLN, 1, 64), + DEF_FIXED(".pllcln_div256", CLK_PLLCLN_DIV256, CLK_PLLCLN, 1, 256), + DEF_FIXED(".pllcln_div1024", CLK_PLLCLN_DIV1024, CLK_PLLCLN, 1, 1024), + + DEF_DDIV(".plldty_acpu", CLK_PLLDTY_ACPU, CLK_PLLDTY, CDDIV0_DIVCTL2, dtable_2_64), + DEF_FIXED(".plldty_acpu_div2", CLK_PLLDTY_ACPU_DIV2, CLK_PLLDTY_ACPU, 1, 2), + DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4), + DEF_FIXED(".plldty_div8", CLK_PLLDTY_DIV8, CLK_PLLDTY, 1, 8), + + DEF_FIXED(".plleth_250_fix", CLK_PLLETH_DIV_250_FIX, CLK_PLLETH, 1, 4), + DEF_FIXED(".plleth_125_fix", CLK_PLLETH_DIV_125_FIX, CLK_PLLETH_DIV_250_FIX, 1, 2), + DEF_CSDIV(".plleth_gbe0", CLK_CSDIV_PLLETH_GBE0, CLK_PLLETH_DIV_250_FIX, + CSDIV0_DIVCTL0, dtable_2_100), + DEF_CSDIV(".plleth_gbe1", CLK_CSDIV_PLLETH_GBE1, CLK_PLLETH_DIV_250_FIX, + CSDIV0_DIVCTL1, dtable_2_100), + DEF_SMUX(".smux2_gbe0_txclk", CLK_SMUX2_GBE0_TXCLK, SSEL0_SELCTL2, smux2_gbe0_txclk), + DEF_SMUX(".smux2_gbe0_rxclk", CLK_SMUX2_GBE0_RXCLK, SSEL0_SELCTL3, smux2_gbe0_rxclk), + DEF_SMUX(".smux2_gbe1_txclk", CLK_SMUX2_GBE1_TXCLK, SSEL1_SELCTL0, smux2_gbe1_txclk), + DEF_SMUX(".smux2_gbe1_rxclk", CLK_SMUX2_GBE1_RXCLK, SSEL1_SELCTL1, smux2_gbe1_rxclk), + DEF_FIXED(".plldty_div16", CLK_PLLDTY_DIV16, CLK_PLLDTY, 1, 16), + DEF_DDIV(".plldty_rcpu", CLK_PLLDTY_RCPU, CLK_PLLDTY, CDDIV3_DIVCTL2, dtable_2_64), + DEF_FIXED(".plldty_rcpu_div4", CLK_PLLDTY_RCPU_DIV4, CLK_PLLDTY_RCPU, 1, 4), + + DEF_DDIV(".pllvdo_cru0", CLK_PLLVDO_CRU0, CLK_PLLVDO, CDDIV3_DIVCTL3, dtable_2_4), + DEF_DDIV(".pllvdo_gpu", CLK_PLLVDO_GPU, CLK_PLLVDO, CDDIV3_DIVCTL1, dtable_2_64), + + DEF_FIXED(".plleth_div4_lpclk", CLK_PLLETH_DIV4_LPCLK, CLK_PLLETH, 1, 4), + DEF_CSDIV(".plleth_lpclk", CLK_PLLETH_LPCLK, CLK_PLLETH_DIV4_LPCLK, + CSDIV0_DIVCTL2, dtable_16_128), + + DEF_PLLDSI_DIV(".plldsi0_csdiv", CLK_PLLDSI0_CSDIV, CLK_PLLDSI0, + CSDIV1_DIVCTL2, dtable_2_16_plldsi), + DEF_PLLDSI_DIV(".plldsi1_csdiv", CLK_PLLDSI1_CSDIV, CLK_PLLDSI1, + CSDIV1_DIVCTL3, dtable_2_16_plldsi), + DEF_FIXED(".plldsi0_div7", CLK_PLLDSI0_DIV7, CLK_PLLDSI0, 1, 7), + DEF_FIXED(".plldsi1_div7", CLK_PLLDSI1_DIV7, CLK_PLLDSI1, 1, 7), + DEF_PLLDSI_SMUX(".smux2_dsi0_clk", CLK_SMUX2_DSI0_CLK, + SSEL3_SELCTL0, smux2_dsi0_clk), + DEF_PLLDSI_SMUX(".smux2_dsi1_clk", CLK_SMUX2_DSI1_CLK, + SSEL3_SELCTL1, smux2_dsi1_clk), + + /* Core Clocks */ + DEF_FIXED("sys_0_pclk", R9A09G047_SYS_0_PCLK, CLK_QEXTAL, 1, 1), + DEF_DDIV("ca55_0_coreclk0", R9A09G047_CA55_0_CORECLK0, CLK_PLLCA55, + CDDIV1_DIVCTL0, dtable_1_8), + DEF_DDIV("ca55_0_coreclk1", R9A09G047_CA55_0_CORECLK1, CLK_PLLCA55, + CDDIV1_DIVCTL1, dtable_1_8), + DEF_DDIV("ca55_0_coreclk2", R9A09G047_CA55_0_CORECLK2, CLK_PLLCA55, + CDDIV1_DIVCTL2, dtable_1_8), + DEF_DDIV("ca55_0_coreclk3", R9A09G047_CA55_0_CORECLK3, CLK_PLLCA55, + CDDIV1_DIVCTL3, dtable_1_8), + DEF_FIXED("iotop_0_shclk", R9A09G047_IOTOP_0_SHCLK, CLK_PLLCM33_DIV16, 1, 1), + DEF_FIXED("spi_clk_spi", R9A09G047_SPI_CLK_SPI, CLK_PLLCM33_XSPI, 1, 2), + DEF_FIXED("usb2_0_clk_core0", R9A09G047_USB2_0_CLK_CORE0, CLK_QEXTAL, 1, 1), + DEF_FIXED("usb2_0_clk_core1", R9A09G047_USB2_0_CLK_CORE1, CLK_QEXTAL, 1, 1), + DEF_FIXED("gbeth_0_clk_ptp_ref_i", R9A09G047_GBETH_0_CLK_PTP_REF_I, + CLK_PLLETH_DIV_125_FIX, 1, 1), + DEF_FIXED("gbeth_1_clk_ptp_ref_i", R9A09G047_GBETH_1_CLK_PTP_REF_I, + CLK_PLLETH_DIV_125_FIX, 1, 1), + DEF_FIXED("usb3_0_ref_alt_clk_p", R9A09G047_USB3_0_REF_ALT_CLK_P, CLK_QEXTAL, 1, 1), + DEF_FIXED("usb3_0_core_clk", R9A09G047_USB3_0_CLKCORE, CLK_QEXTAL, 1, 1), +}; + +static const struct rzv2h_mod_clk r9a09g047_mod_clks[] __initconst = { + DEF_MOD("dmac_0_aclk", CLK_PLLCM33_GEAR, 0, 0, 0, 0, + BUS_MSTOP(5, BIT(9))), + DEF_MOD("dmac_1_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 1, 0, 1, + BUS_MSTOP(3, BIT(2))), + DEF_MOD("dmac_2_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 2, 0, 2, + BUS_MSTOP(3, BIT(3))), + DEF_MOD("dmac_3_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 3, 0, 3, + BUS_MSTOP(10, BIT(11))), + DEF_MOD("dmac_4_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 4, 0, 4, + BUS_MSTOP(10, BIT(12))), + DEF_MOD_CRITICAL("icu_0_pclk_i", CLK_PLLCM33_DIV16, 0, 5, 0, 5, + BUS_MSTOP_NONE), + DEF_MOD_CRITICAL("gic_0_gicclk", CLK_PLLDTY_ACPU_DIV4, 1, 3, 0, 19, + BUS_MSTOP(3, BIT(5))), + DEF_MOD("gpt_0_pclk_sfr", CLK_PLLCLN_DIV8, 3, 1, 1, 17, + BUS_MSTOP(6, BIT(11))), + DEF_MOD("gpt_1_pclk_sfr", CLK_PLLCLN_DIV8, 3, 2, 1, 18, + BUS_MSTOP(6, BIT(12))), + DEF_MOD("wdt_1_clkp", CLK_PLLCLN_DIV16, 4, 13, 2, 13, + BUS_MSTOP(1, BIT(0))), + DEF_MOD("wdt_1_clk_loco", CLK_QEXTAL, 4, 14, 2, 14, + BUS_MSTOP(1, BIT(0))), + DEF_MOD("wdt_2_clkp", CLK_PLLCLN_DIV16, 4, 15, 2, 15, + BUS_MSTOP(5, BIT(12))), + DEF_MOD("wdt_2_clk_loco", CLK_QEXTAL, 5, 0, 2, 16, + BUS_MSTOP(5, BIT(12))), + DEF_MOD("wdt_3_clkp", CLK_PLLCLN_DIV16, 5, 1, 2, 17, + BUS_MSTOP(5, BIT(13))), + DEF_MOD("wdt_3_clk_loco", CLK_QEXTAL, 5, 2, 2, 18, + BUS_MSTOP(5, BIT(13))), + DEF_MOD("rspi_0_pclk", CLK_PLLCLN_DIV8, 5, 4, 2, 20, + BUS_MSTOP(11, BIT(0))), + DEF_MOD("rspi_0_pclk_sfr", CLK_PLLCLN_DIV8, 5, 5, 2, 21, + BUS_MSTOP(11, BIT(0))), + DEF_MOD("rspi_0_tclk", CLK_PLLCLN_DIV8, 5, 6, 2, 22, + BUS_MSTOP(11, BIT(0))), + DEF_MOD("rspi_1_pclk", CLK_PLLCLN_DIV8, 5, 7, 2, 23, + BUS_MSTOP(11, BIT(1))), + DEF_MOD("rspi_1_pclk_sfr", CLK_PLLCLN_DIV8, 5, 8, 2, 24, + BUS_MSTOP(11, BIT(1))), + DEF_MOD("rspi_1_tclk", CLK_PLLCLN_DIV8, 5, 9, 2, 25, + BUS_MSTOP(11, BIT(1))), + DEF_MOD("rspi_2_pclk", CLK_PLLCLN_DIV8, 5, 10, 2, 26, + BUS_MSTOP(11, BIT(2))), + DEF_MOD("rspi_2_pclk_sfr", CLK_PLLCLN_DIV8, 5, 11, 2, 27, + BUS_MSTOP(11, BIT(2))), + DEF_MOD("rspi_2_tclk", CLK_PLLCLN_DIV8, 5, 12, 2, 28, + BUS_MSTOP(11, BIT(2))), + DEF_MOD("rsci0_pclk", CLK_PLLCLN_DIV16, 5, 13, 2, 29, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_tclk", CLK_PLLCLN_DIV16, 5, 14, 2, 30, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_ps_ps3_n", CLK_PLLCLN_DIV1024, 5, 15, 2, 31, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 0, 3, 0, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_ps_ps1_n", CLK_PLLCLN_DIV64, 6, 1, 3, 1, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci1_pclk", CLK_PLLCLN_DIV16, 6, 2, 3, 2, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_tclk", CLK_PLLCLN_DIV16, 6, 3, 3, 3, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_ps_ps3_n", CLK_PLLCLN_DIV1024, 6, 4, 3, 4, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 5, 3, 5, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_ps_ps1_n", CLK_PLLCLN_DIV64, 6, 6, 3, 6, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci2_pclk", CLK_PLLCLN_DIV16, 6, 7, 3, 7, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_tclk", CLK_PLLCLN_DIV16, 6, 8, 3, 8, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_ps_ps3_n", CLK_PLLCLN_DIV1024, 6, 9, 3, 9, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 10, 3, 10, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_ps_ps1_n", CLK_PLLCLN_DIV64, 6, 11, 3, 11, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci3_pclk", CLK_PLLCLN_DIV16, 6, 12, 3, 12, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_tclk", CLK_PLLCLN_DIV16, 6, 13, 3, 13, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_ps_ps3_n", CLK_PLLCLN_DIV1024, 6, 14, 3, 14, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 15, 3, 15, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 0, 3, 16, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci4_pclk", CLK_PLLCLN_DIV16, 7, 1, 3, 17, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_tclk", CLK_PLLCLN_DIV16, 7, 2, 3, 18, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_ps_ps3_n", CLK_PLLCLN_DIV1024, 7, 3, 3, 19, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_ps_ps2_n", CLK_PLLCLN_DIV256, 7, 4, 3, 20, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 5, 3, 21, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci5_pclk", CLK_PLLCLN_DIV16, 7, 6, 3, 22, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_tclk", CLK_PLLCLN_DIV16, 7, 7, 3, 23, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_ps_ps3_n", CLK_PLLCLN_DIV1024, 7, 8, 3, 24, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_ps_ps2_n", CLK_PLLCLN_DIV256, 7, 9, 3, 25, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 10, 3, 26, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci6_pclk", CLK_PLLCLN_DIV16, 7, 11, 3, 27, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_tclk", CLK_PLLCLN_DIV16, 7, 12, 3, 28, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_ps_ps3_n", CLK_PLLCLN_DIV1024, 7, 13, 3, 29, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_ps_ps2_n", CLK_PLLCLN_DIV256, 7, 14, 3, 30, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 15, 3, 31, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci7_pclk", CLK_PLLCLN_DIV16, 8, 0, 4, 0, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_tclk", CLK_PLLCLN_DIV16, 8, 1, 4, 1, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_ps_ps3_n", CLK_PLLCLN_DIV1024, 8, 2, 4, 2, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_ps_ps2_n", CLK_PLLCLN_DIV256, 8, 3, 4, 3, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_ps_ps1_n", CLK_PLLCLN_DIV64, 8, 4, 4, 4, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci8_pclk", CLK_PLLCLN_DIV16, 8, 5, 4, 5, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_tclk", CLK_PLLCLN_DIV16, 8, 6, 4, 6, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_ps_ps3_n", CLK_PLLCLN_DIV1024, 8, 7, 4, 7, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_ps_ps2_n", CLK_PLLCLN_DIV256, 8, 8, 4, 8, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_ps_ps1_n", CLK_PLLCLN_DIV64, 8, 9, 4, 9, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci9_pclk", CLK_PLLCLN_DIV16, 8, 10, 4, 10, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_tclk", CLK_PLLCLN_DIV16, 8, 11, 4, 11, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_ps_ps3_n", CLK_PLLCLN_DIV1024, 8, 12, 4, 12, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_ps_ps2_n", CLK_PLLCLN_DIV256, 8, 13, 4, 13, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_ps_ps1_n", CLK_PLLCLN_DIV64, 8, 14, 4, 14, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("scif_0_clk_pck", CLK_PLLCM33_DIV16, 8, 15, 4, 15, + BUS_MSTOP(3, BIT(14))), + DEF_MOD("i3c_0_pclkrw", CLK_PLLCLN_DIV16, 9, 0, 4, 16, + BUS_MSTOP(10, BIT(15))), + DEF_MOD("i3c_0_pclk", CLK_PLLCLN_DIV16, 9, 1, 4, 17, + BUS_MSTOP(10, BIT(15))), + DEF_MOD("i3c_0_tclk", CLK_PLLCLN_DIV8, 9, 2, 4, 18, + BUS_MSTOP(10, BIT(15))), + DEF_MOD("riic_8_ckm", CLK_PLLCM33_DIV16, 9, 3, 4, 19, + BUS_MSTOP(3, BIT(13))), + DEF_MOD("riic_0_ckm", CLK_PLLCLN_DIV16, 9, 4, 4, 20, + BUS_MSTOP(1, BIT(1))), + DEF_MOD("riic_1_ckm", CLK_PLLCLN_DIV16, 9, 5, 4, 21, + BUS_MSTOP(1, BIT(2))), + DEF_MOD("riic_2_ckm", CLK_PLLCLN_DIV16, 9, 6, 4, 22, + BUS_MSTOP(1, BIT(3))), + DEF_MOD("riic_3_ckm", CLK_PLLCLN_DIV16, 9, 7, 4, 23, + BUS_MSTOP(1, BIT(4))), + DEF_MOD("riic_4_ckm", CLK_PLLCLN_DIV16, 9, 8, 4, 24, + BUS_MSTOP(1, BIT(5))), + DEF_MOD("riic_5_ckm", CLK_PLLCLN_DIV16, 9, 9, 4, 25, + BUS_MSTOP(1, BIT(6))), + DEF_MOD("riic_6_ckm", CLK_PLLCLN_DIV16, 9, 10, 4, 26, + BUS_MSTOP(1, BIT(7))), + DEF_MOD("riic_7_ckm", CLK_PLLCLN_DIV16, 9, 11, 4, 27, + BUS_MSTOP(1, BIT(8))), + DEF_MOD("canfd_0_pclk", CLK_PLLCLN_DIV16, 9, 12, 4, 28, + BUS_MSTOP(10, BIT(14))), + DEF_MOD("canfd_0_clk_ram", CLK_PLLCLN_DIV8, 9, 13, 4, 29, + BUS_MSTOP(10, BIT(14))), + DEF_MOD("canfd_0_clkc", CLK_PLLCLN_DIV20, 9, 14, 4, 30, + BUS_MSTOP(10, BIT(14))), + DEF_MOD("spi_hclk", CLK_PLLCM33_GEAR, 9, 15, 4, 31, + BUS_MSTOP(4, BIT(5))), + DEF_MOD("spi_aclk", CLK_PLLCM33_GEAR, 10, 0, 5, 0, + BUS_MSTOP(4, BIT(5))), + DEF_MOD_NO_PM("spi_clk_spix2", CLK_PLLCM33_XSPI, 10, 1, 5, 2, + BUS_MSTOP(4, BIT(5))), + DEF_MOD("sdhi_0_imclk", CLK_PLLCLN_DIV8, 10, 3, 5, 3, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_0_imclk2", CLK_PLLCLN_DIV8, 10, 4, 5, 4, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_0_clk_hs", CLK_PLLCLN_DIV2, 10, 5, 5, 5, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_0_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_1_imclk", CLK_PLLCLN_DIV8, 10, 7, 5, 7, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_1_imclk2", CLK_PLLCLN_DIV8, 10, 8, 5, 8, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_1_clk_hs", CLK_PLLCLN_DIV2, 10, 9, 5, 9, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_1_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_2_imclk", CLK_PLLCLN_DIV8, 10, 11, 5, 11, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("sdhi_2_imclk2", CLK_PLLCLN_DIV8, 10, 12, 5, 12, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("sdhi_2_clk_hs", CLK_PLLCLN_DIV2, 10, 13, 5, 13, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("sdhi_2_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("usb3_0_aclk", CLK_PLLDTY_DIV8, 10, 15, 5, 15, + BUS_MSTOP(7, BIT(12))), + DEF_MOD("usb3_0_pclk_usbtst", CLK_PLLDTY_ACPU_DIV4, 11, 0, 5, 16, + BUS_MSTOP(7, BIT(14))), + DEF_MOD("usb2_0_u2h0_hclk", CLK_PLLDTY_DIV8, 11, 3, 5, 19, + BUS_MSTOP(7, BIT(7))), + DEF_MOD("usb2_0_u2h1_hclk", CLK_PLLDTY_DIV8, 11, 4, 5, 20, + BUS_MSTOP(7, BIT(8))), + DEF_MOD("usb2_0_u2p_exr_cpuclk", CLK_PLLDTY_ACPU_DIV4, 11, 5, 5, 21, + BUS_MSTOP(7, BIT(9))), + DEF_MOD("usb2_0_pclk_usbtst0", CLK_PLLDTY_ACPU_DIV4, 11, 6, 5, 22, + BUS_MSTOP(7, BIT(10))), + DEF_MOD("usb2_0_pclk_usbtst1", CLK_PLLDTY_ACPU_DIV4, 11, 7, 5, 23, + BUS_MSTOP(7, BIT(11))), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_tx_i", CLK_SMUX2_GBE0_TXCLK, 11, 8, 5, 24, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_rx_i", CLK_SMUX2_GBE0_RXCLK, 11, 9, 5, 25, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_tx_180_i", CLK_SMUX2_GBE0_TXCLK, 11, 10, 5, 26, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_rx_180_i", CLK_SMUX2_GBE0_RXCLK, 11, 11, 5, 27, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD("gbeth_0_aclk_csr_i", CLK_PLLDTY_DIV8, 11, 12, 5, 28, + BUS_MSTOP(8, BIT(5))), + DEF_MOD("gbeth_0_aclk_i", CLK_PLLDTY_DIV8, 11, 13, 5, 29, + BUS_MSTOP(8, BIT(5))), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_tx_i", CLK_SMUX2_GBE1_TXCLK, 11, 14, 5, 30, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_rx_i", CLK_SMUX2_GBE1_RXCLK, 11, 15, 5, 31, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_tx_180_i", CLK_SMUX2_GBE1_TXCLK, 12, 0, 6, 0, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_rx_180_i", CLK_SMUX2_GBE1_RXCLK, 12, 1, 6, 1, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD("gbeth_1_aclk_csr_i", CLK_PLLDTY_DIV8, 12, 2, 6, 2, + BUS_MSTOP(8, BIT(6))), + DEF_MOD("gbeth_1_aclk_i", CLK_PLLDTY_DIV8, 12, 3, 6, 3, + BUS_MSTOP(8, BIT(6))), + DEF_MOD("pcie_0_aclk", CLK_PLLDTY_ACPU_DIV2, 12, 4, 6, 4, + BUS_MSTOP(1, BIT(15))), + DEF_MOD("pcie_0_clk_pmu", CLK_PLLDTY_ACPU_DIV2, 12, 5, 6, 5, + BUS_MSTOP(1, BIT(15))), + DEF_MOD("cru_0_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 2, 6, 18, + BUS_MSTOP(9, BIT(4))), + DEF_MOD_NO_PM("cru_0_vclk", CLK_PLLVDO_CRU0, 13, 3, 6, 19, + BUS_MSTOP(9, BIT(4))), + DEF_MOD("cru_0_pclk", CLK_PLLDTY_DIV16, 13, 4, 6, 20, + BUS_MSTOP(9, BIT(4))), + DEF_MOD("dsi_0_pclk", CLK_PLLDTY_DIV16, 14, 8, 7, 8, + BUS_MSTOP(9, BIT(15) | BIT(14))), + DEF_MOD("dsi_0_aclk", CLK_PLLDTY_ACPU_DIV2, 14, 9, 7, 9, + BUS_MSTOP(9, BIT(15) | BIT(14))), + DEF_MOD("dsi_0_vclk1", CLK_SMUX2_DSI0_CLK, 14, 10, 7, 10, + BUS_MSTOP(9, BIT(15) | BIT(14))), + DEF_MOD("dsi_0_lpclk", CLK_PLLETH_LPCLK, 14, 11, 7, 11, + BUS_MSTOP(9, BIT(15) | BIT(14))), + DEF_MOD("dsi_0_pllref_clk", CLK_QEXTAL, 14, 12, 7, 12, + BUS_MSTOP(9, BIT(15) | BIT(14))), + DEF_MOD("lcdc_0_clk_a", CLK_PLLDTY_ACPU_DIV2, 14, 13, 7, 13, + BUS_MSTOP(10, BIT(3) | BIT(2) | BIT(1))), + DEF_MOD("lcdc_0_clk_p", CLK_PLLDTY_DIV16, 14, 14, 7, 14, + BUS_MSTOP(10, BIT(3) | BIT(2) | BIT(1))), + DEF_MOD("lcdc_0_clk_d", CLK_SMUX2_DSI0_CLK, 14, 15, 7, 15, + BUS_MSTOP(10, BIT(3) | BIT(2) | BIT(1))), + DEF_MOD("ge3d_clk", CLK_PLLVDO_GPU, 15, 0, 7, 16, + BUS_MSTOP(3, BIT(4))), + DEF_MOD("ge3d_axi_clk", CLK_PLLDTY_ACPU_DIV2, 15, 1, 7, 17, + BUS_MSTOP(3, BIT(4))), + DEF_MOD("ge3d_ace_clk", CLK_PLLDTY_ACPU_DIV2, 15, 2, 7, 18, + BUS_MSTOP(3, BIT(4))), + DEF_MOD("tsu_1_pclk", CLK_QEXTAL, 16, 10, 8, 10, + BUS_MSTOP(2, BIT(15))), + DEF_MOD("dsi_0_vclk2", CLK_SMUX2_DSI1_CLK, 25, 0, 10, 21, + BUS_MSTOP(9, BIT(15) | BIT(14))), + DEF_MOD("lcdc_1_clk_a", CLK_PLLDTY_ACPU_DIV2, 26, 8, 10, 30, + BUS_MSTOP(13, BIT(5) | BIT(4) | BIT(3))), + DEF_MOD("lcdc_1_clk_p", CLK_PLLDTY_DIV16, 26, 9, 10, 31, + BUS_MSTOP(13, BIT(5) | BIT(4) | BIT(3))), + DEF_MOD("lcdc_1_clk_d", CLK_SMUX2_DSI1_CLK, 26, 10, 11, 0, + BUS_MSTOP(13, BIT(5) | BIT(4) | BIT(3))), +}; + +static const struct rzv2h_reset r9a09g047_resets[] __initconst = { + DEF_RST(3, 0, 1, 1), /* SYS_0_PRESETN */ + DEF_RST(3, 1, 1, 2), /* DMAC_0_ARESETN */ + DEF_RST(3, 2, 1, 3), /* DMAC_1_ARESETN */ + DEF_RST(3, 3, 1, 4), /* DMAC_2_ARESETN */ + DEF_RST(3, 4, 1, 5), /* DMAC_3_ARESETN */ + DEF_RST(3, 5, 1, 6), /* DMAC_4_ARESETN */ + DEF_RST(3, 6, 1, 7), /* ICU_0_PRESETN_I */ + DEF_RST(3, 8, 1, 9), /* GIC_0_GICRESET_N */ + DEF_RST(3, 9, 1, 10), /* GIC_0_DBG_GICRESET_N */ + DEF_RST(5, 9, 2, 10), /* GPT_0_RST_P_REG */ + DEF_RST(5, 10, 2, 11), /* GPT_0_RST_S_REG */ + DEF_RST(5, 11, 2, 12), /* GPT_1_RST_P_REG */ + DEF_RST(5, 12, 2, 13), /* GPT_1_RST_S_REG */ + DEF_RST(7, 6, 3, 7), /* WDT_1_RESET */ + DEF_RST(7, 7, 3, 8), /* WDT_2_RESET */ + DEF_RST(7, 8, 3, 9), /* WDT_3_RESET */ + DEF_RST(7, 11, 3, 12), /* RSPI_0_PRESETN */ + DEF_RST(7, 12, 3, 13), /* RSPI_0_TRESETN */ + DEF_RST(7, 13, 3, 14), /* RSPI_1_PRESETN */ + DEF_RST(7, 14, 3, 15), /* RSPI_1_TRESETN */ + DEF_RST(7, 15, 3, 16), /* RSPI_2_PRESETN */ + DEF_RST(8, 0, 3, 17), /* RSPI_2_TRESETN */ + DEF_RST(8, 1, 3, 18), /* RSCI0_PRESETN */ + DEF_RST(8, 2, 3, 19), /* RSCI0_TRESETN */ + DEF_RST(8, 3, 3, 20), /* RSCI1_PRESETN */ + DEF_RST(8, 4, 3, 21), /* RSCI1_TRESETN */ + DEF_RST(8, 5, 3, 22), /* RSCI2_PRESETN */ + DEF_RST(8, 6, 3, 23), /* RSCI2_TRESETN */ + DEF_RST(8, 7, 3, 24), /* RSCI3_PRESETN */ + DEF_RST(8, 8, 3, 25), /* RSCI3_TRESETN */ + DEF_RST(8, 9, 3, 26), /* RSCI4_PRESETN */ + DEF_RST(8, 10, 3, 27), /* RSCI4_TRESETN */ + DEF_RST(8, 11, 3, 28), /* RSCI5_PRESETN */ + DEF_RST(8, 12, 3, 29), /* RSCI5_TRESETN */ + DEF_RST(8, 13, 3, 30), /* RSCI6_PRESETN */ + DEF_RST(8, 14, 3, 31), /* RSCI6_TRESETN */ + DEF_RST(8, 15, 4, 0), /* RSCI7_PRESETN */ + DEF_RST(9, 0, 4, 1), /* RSCI7_TRESETN */ + DEF_RST(9, 1, 4, 2), /* RSCI8_PRESETN */ + DEF_RST(9, 2, 4, 3), /* RSCI8_TRESETN */ + DEF_RST(9, 3, 4, 4), /* RSCI9_PRESETN */ + DEF_RST(9, 4, 4, 5), /* RSCI9_TRESETN */ + DEF_RST(9, 5, 4, 6), /* SCIF_0_RST_SYSTEM_N */ + DEF_RST(9, 6, 4, 7), /* I3C_0_PRESETN */ + DEF_RST(9, 7, 4, 8), /* I3C_0_TRESETN */ + DEF_RST(9, 8, 4, 9), /* RIIC_0_MRST */ + DEF_RST(9, 9, 4, 10), /* RIIC_1_MRST */ + DEF_RST(9, 10, 4, 11), /* RIIC_2_MRST */ + DEF_RST(9, 11, 4, 12), /* RIIC_3_MRST */ + DEF_RST(9, 12, 4, 13), /* RIIC_4_MRST */ + DEF_RST(9, 13, 4, 14), /* RIIC_5_MRST */ + DEF_RST(9, 14, 4, 15), /* RIIC_6_MRST */ + DEF_RST(9, 15, 4, 16), /* RIIC_7_MRST */ + DEF_RST(10, 0, 4, 17), /* RIIC_8_MRST */ + DEF_RST(10, 1, 4, 18), /* CANFD_0_RSTP_N */ + DEF_RST(10, 2, 4, 19), /* CANFD_0_RSTC_N */ + DEF_RST(10, 3, 4, 20), /* SPI_HRESETN */ + DEF_RST(10, 4, 4, 21), /* SPI_ARESETN */ + DEF_RST(10, 7, 4, 24), /* SDHI_0_IXRST */ + DEF_RST(10, 8, 4, 25), /* SDHI_1_IXRST */ + DEF_RST(10, 9, 4, 26), /* SDHI_2_IXRST */ + DEF_RST(10, 10, 4, 27), /* USB3_0_ARESETN */ + DEF_RST(10, 12, 4, 29), /* USB2_0_U2H0_HRESETN */ + DEF_RST(10, 13, 4, 30), /* USB2_0_U2H1_HRESETN */ + DEF_RST(10, 14, 4, 31), /* USB2_0_U2P_EXL_SYSRST */ + DEF_RST(10, 15, 5, 0), /* USB2_0_PRESETN */ + DEF_RST(11, 0, 5, 1), /* GBETH_0_ARESETN_I */ + DEF_RST(11, 1, 5, 2), /* GBETH_1_ARESETN_I */ + DEF_RST(11, 2, 5, 3), /* PCIE_0_ARESETN */ + DEF_RST(12, 5, 5, 22), /* CRU_0_PRESETN */ + DEF_RST(12, 6, 5, 23), /* CRU_0_ARESETN */ + DEF_RST(12, 7, 5, 24), /* CRU_0_S_RESETN */ + DEF_RST(13, 7, 6, 8), /* DSI_0_PRESETN */ + DEF_RST(13, 8, 6, 9), /* DSI_0_ARESETN */ + DEF_RST(13, 12, 6, 13), /* LCDC_0_RESET_N */ + DEF_RST(13, 13, 6, 14), /* GE3D_RESETN */ + DEF_RST(13, 14, 6, 15), /* GE3D_AXI_RESETN */ + DEF_RST(13, 15, 6, 16), /* GE3D_ACE_RESETN */ + DEF_RST(15, 8, 7, 9), /* TSU_1_PRESETN */ + DEF_RST(17, 14, 8, 15), /* LCDC_1_RESET_N */ +}; + +const struct rzv2h_cpg_info r9a09g047_cpg_info __initconst = { + /* Core Clocks */ + .core_clks = r9a09g047_core_clks, + .num_core_clks = ARRAY_SIZE(r9a09g047_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r9a09g047_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a09g047_mod_clks), + .num_hw_mod_clks = 28 * 16, + + /* Resets */ + .resets = r9a09g047_resets, + .num_resets = ARRAY_SIZE(r9a09g047_resets), + + .num_mstop_bits = 208, +}; diff --git a/drivers/clk/renesas/r9a09g056-cpg.c b/drivers/clk/renesas/r9a09g056-cpg.c new file mode 100644 index 000000000..51c1e3228 --- /dev/null +++ b/drivers/clk/renesas/r9a09g056-cpg.c @@ -0,0 +1,658 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas RZ/V2N CPG driver + * + * Copyright (C) 2025 Renesas Electronics Corp. + */ + +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/renesas,r9a09g056-cpg.h> + +#include "rzv2h-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A09G056_USB3_0_CLKCORE, + + /* External Input Clocks */ + CLK_AUDIO_EXTAL, + CLK_RTXIN, + CLK_QEXTAL, + + /* PLL Clocks */ + CLK_PLLCM33, + CLK_PLLCLN, + CLK_PLLDTY, + CLK_PLLCA55, + CLK_PLLVDO, + CLK_PLLETH, + CLK_PLLDSI, + CLK_PLLGPU, + + /* Internal Core Clocks */ + CLK_PLLCM33_DIV3, + CLK_PLLCM33_DIV4, + CLK_PLLCM33_DIV5, + CLK_PLLCM33_DIV16, + CLK_PLLCM33_GEAR, + CLK_SMUX2_XSPI_CLK0, + CLK_SMUX2_XSPI_CLK1, + CLK_PLLCM33_XSPI, + CLK_PLLCLN_DIV2, + CLK_PLLCLN_DIV8, + CLK_PLLCLN_DIV16, + CLK_PLLCLN_DIV20, + CLK_PLLCLN_DIV64, + CLK_PLLCLN_DIV256, + CLK_PLLCLN_DIV1024, + CLK_PLLDTY_ACPU, + CLK_PLLDTY_ACPU_DIV2, + CLK_PLLDTY_ACPU_DIV4, + CLK_PLLDTY_DIV8, + CLK_PLLDTY_DIV16, + CLK_PLLDTY_RCPU, + CLK_PLLDTY_RCPU_DIV4, + CLK_PLLVDO_CRU0, + CLK_PLLVDO_CRU1, + CLK_PLLVDO_ISP, + CLK_PLLETH_DIV_250_FIX, + CLK_PLLETH_DIV_125_FIX, + CLK_CSDIV_PLLETH_GBE0, + CLK_CSDIV_PLLETH_GBE1, + CLK_SMUX2_GBE0_TXCLK, + CLK_SMUX2_GBE0_RXCLK, + CLK_SMUX2_GBE1_TXCLK, + CLK_SMUX2_GBE1_RXCLK, + CLK_CDIV4_PLLETH_LPCLK, + CLK_PLLETH_LPCLK_GEAR, + CLK_PLLDSI_GEAR, + CLK_PLLGPU_GEAR, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +static const struct clk_div_table dtable_1_8[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_4[] = { + {0, 2}, + {1, 4}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_16[] = { + {0, 2}, + {1, 4}, + {2, 8}, + {3, 16}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_32[] = { + {0, 2}, + {1, 4}, + {2, 6}, + {3, 8}, + {4, 10}, + {5, 12}, + {6, 14}, + {7, 16}, + {8, 18}, + {9, 20}, + {10, 22}, + {11, 24}, + {12, 26}, + {13, 28}, + {14, 30}, + {15, 32}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_64[] = { + {0, 2}, + {1, 4}, + {2, 8}, + {3, 16}, + {4, 64}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_100[] = { + {0, 2}, + {1, 10}, + {2, 100}, + {0, 0}, +}; + +static const struct clk_div_table dtable_16_128[] = { + {0, 16}, + {1, 32}, + {2, 64}, + {3, 128}, + {0, 0}, +}; + +RZV2H_CPG_PLL_DSI_LIMITS(rzv2n_cpg_pll_dsi_limits); +#define PLLDSI PLL_PACK_LIMITS(0xc0, 1, 0, &rzv2n_cpg_pll_dsi_limits) + +/* Mux clock tables */ +static const char * const smux2_gbe0_rxclk[] = { ".plleth_gbe0", "et0_rxclk" }; +static const char * const smux2_gbe0_txclk[] = { ".plleth_gbe0", "et0_txclk" }; +static const char * const smux2_gbe1_rxclk[] = { ".plleth_gbe1", "et1_rxclk" }; +static const char * const smux2_gbe1_txclk[] = { ".plleth_gbe1", "et1_txclk" }; +static const char * const smux2_xspi_clk0[] = { ".pllcm33_div3", ".pllcm33_div4" }; +static const char * const smux2_xspi_clk1[] = { ".smux2_xspi_clk0", ".pllcm33_div5" }; + +static const struct cpg_core_clk r9a09g056_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("audio_extal", CLK_AUDIO_EXTAL), + DEF_INPUT("rtxin", CLK_RTXIN), + DEF_INPUT("qextal", CLK_QEXTAL), + + /* PLL Clocks */ + DEF_FIXED(".pllcm33", CLK_PLLCM33, CLK_QEXTAL, 200, 3), + DEF_FIXED(".pllcln", CLK_PLLCLN, CLK_QEXTAL, 200, 3), + DEF_FIXED(".plldty", CLK_PLLDTY, CLK_QEXTAL, 200, 3), + DEF_PLL(".pllca55", CLK_PLLCA55, CLK_QEXTAL, PLLCA55), + DEF_FIXED(".pllvdo", CLK_PLLVDO, CLK_QEXTAL, 105, 2), + DEF_FIXED(".plleth", CLK_PLLETH, CLK_QEXTAL, 125, 3), + DEF_PLLDSI(".plldsi", CLK_PLLDSI, CLK_QEXTAL, PLLDSI), + DEF_PLL(".pllgpu", CLK_PLLGPU, CLK_QEXTAL, PLLGPU), + + /* Internal Core Clocks */ + DEF_FIXED(".pllcm33_div3", CLK_PLLCM33_DIV3, CLK_PLLCM33, 1, 3), + DEF_FIXED(".pllcm33_div4", CLK_PLLCM33_DIV4, CLK_PLLCM33, 1, 4), + DEF_FIXED(".pllcm33_div5", CLK_PLLCM33_DIV5, CLK_PLLCM33, 1, 5), + DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16), + DEF_DDIV(".pllcm33_gear", CLK_PLLCM33_GEAR, CLK_PLLCM33_DIV4, CDDIV0_DIVCTL1, dtable_2_64), + DEF_SMUX(".smux2_xspi_clk0", CLK_SMUX2_XSPI_CLK0, SSEL1_SELCTL2, smux2_xspi_clk0), + DEF_SMUX(".smux2_xspi_clk1", CLK_SMUX2_XSPI_CLK1, SSEL1_SELCTL3, smux2_xspi_clk1), + DEF_CSDIV(".pllcm33_xspi", CLK_PLLCM33_XSPI, CLK_SMUX2_XSPI_CLK1, CSDIV0_DIVCTL3, + dtable_2_16), + + DEF_FIXED(".pllcln_div2", CLK_PLLCLN_DIV2, CLK_PLLCLN, 1, 2), + DEF_FIXED(".pllcln_div8", CLK_PLLCLN_DIV8, CLK_PLLCLN, 1, 8), + DEF_FIXED(".pllcln_div16", CLK_PLLCLN_DIV16, CLK_PLLCLN, 1, 16), + DEF_FIXED(".pllcln_div20", CLK_PLLCLN_DIV20, CLK_PLLCLN, 1, 20), + DEF_FIXED(".pllcln_div64", CLK_PLLCLN_DIV64, CLK_PLLCLN, 1, 64), + DEF_FIXED(".pllcln_div256", CLK_PLLCLN_DIV256, CLK_PLLCLN, 1, 256), + DEF_FIXED(".pllcln_div1024", CLK_PLLCLN_DIV1024, CLK_PLLCLN, 1, 1024), + + DEF_DDIV(".plldty_acpu", CLK_PLLDTY_ACPU, CLK_PLLDTY, CDDIV0_DIVCTL2, dtable_2_64), + DEF_FIXED(".plldty_acpu_div2", CLK_PLLDTY_ACPU_DIV2, CLK_PLLDTY_ACPU, 1, 2), + DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4), + DEF_FIXED(".plldty_div8", CLK_PLLDTY_DIV8, CLK_PLLDTY, 1, 8), + DEF_FIXED(".plldty_div16", CLK_PLLDTY_DIV16, CLK_PLLDTY, 1, 16), + DEF_DDIV(".plldty_rcpu", CLK_PLLDTY_RCPU, CLK_PLLDTY, CDDIV3_DIVCTL2, dtable_2_64), + DEF_FIXED(".plldty_rcpu_div4", CLK_PLLDTY_RCPU_DIV4, CLK_PLLDTY_RCPU, 1, 4), + + DEF_DDIV(".pllvdo_cru0", CLK_PLLVDO_CRU0, CLK_PLLVDO, CDDIV3_DIVCTL3, dtable_2_4), + DEF_DDIV(".pllvdo_cru1", CLK_PLLVDO_CRU1, CLK_PLLVDO, CDDIV4_DIVCTL0, dtable_2_4), + DEF_DDIV(".pllvdo_isp", CLK_PLLVDO_ISP, CLK_PLLVDO, CDDIV2_DIVCTL3, dtable_2_64), + + DEF_FIXED(".plleth_250_fix", CLK_PLLETH_DIV_250_FIX, CLK_PLLETH, 1, 4), + DEF_FIXED(".plleth_125_fix", CLK_PLLETH_DIV_125_FIX, CLK_PLLETH_DIV_250_FIX, 1, 2), + DEF_CSDIV(".plleth_gbe0", CLK_CSDIV_PLLETH_GBE0, + CLK_PLLETH_DIV_250_FIX, CSDIV0_DIVCTL0, dtable_2_100), + DEF_CSDIV(".plleth_gbe1", CLK_CSDIV_PLLETH_GBE1, + CLK_PLLETH_DIV_250_FIX, CSDIV0_DIVCTL1, dtable_2_100), + DEF_SMUX(".smux2_gbe0_txclk", CLK_SMUX2_GBE0_TXCLK, SSEL0_SELCTL2, smux2_gbe0_txclk), + DEF_SMUX(".smux2_gbe0_rxclk", CLK_SMUX2_GBE0_RXCLK, SSEL0_SELCTL3, smux2_gbe0_rxclk), + DEF_SMUX(".smux2_gbe1_txclk", CLK_SMUX2_GBE1_TXCLK, SSEL1_SELCTL0, smux2_gbe1_txclk), + DEF_SMUX(".smux2_gbe1_rxclk", CLK_SMUX2_GBE1_RXCLK, SSEL1_SELCTL1, smux2_gbe1_rxclk), + DEF_FIXED(".cdiv4_plleth_lpclk", CLK_CDIV4_PLLETH_LPCLK, CLK_PLLETH, 1, 4), + DEF_CSDIV(".plleth_lpclk_gear", CLK_PLLETH_LPCLK_GEAR, CLK_CDIV4_PLLETH_LPCLK, + CSDIV0_DIVCTL2, dtable_16_128), + + DEF_PLLDSI_DIV(".plldsi_gear", CLK_PLLDSI_GEAR, CLK_PLLDSI, + CSDIV1_DIVCTL2, dtable_2_32), + + DEF_DDIV(".pllgpu_gear", CLK_PLLGPU_GEAR, CLK_PLLGPU, CDDIV3_DIVCTL1, dtable_2_64), + + /* Core Clocks */ + DEF_FIXED("sys_0_pclk", R9A09G056_SYS_0_PCLK, CLK_QEXTAL, 1, 1), + DEF_DDIV("ca55_0_coreclk0", R9A09G056_CA55_0_CORE_CLK0, CLK_PLLCA55, + CDDIV1_DIVCTL0, dtable_1_8), + DEF_DDIV("ca55_0_coreclk1", R9A09G056_CA55_0_CORE_CLK1, CLK_PLLCA55, + CDDIV1_DIVCTL1, dtable_1_8), + DEF_DDIV("ca55_0_coreclk2", R9A09G056_CA55_0_CORE_CLK2, CLK_PLLCA55, + CDDIV1_DIVCTL2, dtable_1_8), + DEF_DDIV("ca55_0_coreclk3", R9A09G056_CA55_0_CORE_CLK3, CLK_PLLCA55, + CDDIV1_DIVCTL3, dtable_1_8), + DEF_FIXED("iotop_0_shclk", R9A09G056_IOTOP_0_SHCLK, CLK_PLLCM33_DIV16, 1, 1), + DEF_FIXED("usb2_0_clk_core0", R9A09G056_USB2_0_CLK_CORE0, CLK_QEXTAL, 1, 1), + DEF_FIXED("gbeth_0_clk_ptp_ref_i", R9A09G056_GBETH_0_CLK_PTP_REF_I, + CLK_PLLETH_DIV_125_FIX, 1, 1), + DEF_FIXED("gbeth_1_clk_ptp_ref_i", R9A09G056_GBETH_1_CLK_PTP_REF_I, + CLK_PLLETH_DIV_125_FIX, 1, 1), + DEF_FIXED_MOD_STATUS("spi_clk_spi", R9A09G056_SPI_CLK_SPI, CLK_PLLCM33_XSPI, 1, 2, + FIXED_MOD_CONF_XSPI), + DEF_FIXED("usb3_0_ref_alt_clk_p", R9A09G056_USB3_0_REF_ALT_CLK_P, CLK_QEXTAL, 1, 1), + DEF_FIXED("usb3_0_core_clk", R9A09G056_USB3_0_CLKCORE, CLK_QEXTAL, 1, 1), +}; + +static const struct rzv2h_mod_clk r9a09g056_mod_clks[] __initconst = { + DEF_MOD("dmac_0_aclk", CLK_PLLCM33_GEAR, 0, 0, 0, 0, + BUS_MSTOP(5, BIT(9))), + DEF_MOD("dmac_1_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 1, 0, 1, + BUS_MSTOP(3, BIT(2))), + DEF_MOD("dmac_2_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 2, 0, 2, + BUS_MSTOP(3, BIT(3))), + DEF_MOD("dmac_3_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 3, 0, 3, + BUS_MSTOP(10, BIT(11))), + DEF_MOD("dmac_4_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 4, 0, 4, + BUS_MSTOP(10, BIT(12))), + DEF_MOD_CRITICAL("icu_0_pclk_i", CLK_PLLCM33_DIV16, 0, 5, 0, 5, + BUS_MSTOP_NONE), + DEF_MOD_CRITICAL("gic_0_gicclk", CLK_PLLDTY_ACPU_DIV4, 1, 3, 0, 19, + BUS_MSTOP(3, BIT(5))), + DEF_MOD("gtm_0_pclk", CLK_PLLCM33_DIV16, 4, 3, 2, 3, + BUS_MSTOP(5, BIT(10))), + DEF_MOD("gtm_1_pclk", CLK_PLLCM33_DIV16, 4, 4, 2, 4, + BUS_MSTOP(5, BIT(11))), + DEF_MOD("gtm_2_pclk", CLK_PLLCLN_DIV16, 4, 5, 2, 5, + BUS_MSTOP(2, BIT(13))), + DEF_MOD("gtm_3_pclk", CLK_PLLCLN_DIV16, 4, 6, 2, 6, + BUS_MSTOP(2, BIT(14))), + DEF_MOD("gtm_4_pclk", CLK_PLLCLN_DIV16, 4, 7, 2, 7, + BUS_MSTOP(11, BIT(13))), + DEF_MOD("gtm_5_pclk", CLK_PLLCLN_DIV16, 4, 8, 2, 8, + BUS_MSTOP(11, BIT(14))), + DEF_MOD("gtm_6_pclk", CLK_PLLCLN_DIV16, 4, 9, 2, 9, + BUS_MSTOP(11, BIT(15))), + DEF_MOD("gtm_7_pclk", CLK_PLLCLN_DIV16, 4, 10, 2, 10, + BUS_MSTOP(12, BIT(0))), + DEF_MOD("wdt_1_clkp", CLK_PLLCLN_DIV16, 4, 13, 2, 13, + BUS_MSTOP(1, BIT(0))), + DEF_MOD("wdt_1_clk_loco", CLK_QEXTAL, 4, 14, 2, 14, + BUS_MSTOP(1, BIT(0))), + DEF_MOD("rtc_0_clk_rtc", CLK_PLLCM33_DIV16, 5, 3, 2, 19, + BUS_MSTOP(3, BIT(11) | BIT(12))), + DEF_MOD("rspi_0_pclk", CLK_PLLCLN_DIV8, 5, 4, 2, 20, + BUS_MSTOP(11, BIT(0))), + DEF_MOD("rspi_0_pclk_sfr", CLK_PLLCLN_DIV8, 5, 5, 2, 21, + BUS_MSTOP(11, BIT(0))), + DEF_MOD("rspi_0_tclk", CLK_PLLCLN_DIV8, 5, 6, 2, 22, + BUS_MSTOP(11, BIT(0))), + DEF_MOD("rspi_1_pclk", CLK_PLLCLN_DIV8, 5, 7, 2, 23, + BUS_MSTOP(11, BIT(1))), + DEF_MOD("rspi_1_pclk_sfr", CLK_PLLCLN_DIV8, 5, 8, 2, 24, + BUS_MSTOP(11, BIT(1))), + DEF_MOD("rspi_1_tclk", CLK_PLLCLN_DIV8, 5, 9, 2, 25, + BUS_MSTOP(11, BIT(1))), + DEF_MOD("rspi_2_pclk", CLK_PLLCLN_DIV8, 5, 10, 2, 26, + BUS_MSTOP(11, BIT(2))), + DEF_MOD("rspi_2_pclk_sfr", CLK_PLLCLN_DIV8, 5, 11, 2, 27, + BUS_MSTOP(11, BIT(2))), + DEF_MOD("rspi_2_tclk", CLK_PLLCLN_DIV8, 5, 12, 2, 28, + BUS_MSTOP(11, BIT(2))), + DEF_MOD("rsci0_pclk", CLK_PLLCLN_DIV16, 5, 13, 2, 29, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_tclk", CLK_PLLCLN_DIV16, 5, 14, 2, 30, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_ps_ps3_n", CLK_PLLCLN_DIV1024, 5, 15, 2, 31, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 0, 3, 0, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_ps_ps1_n", CLK_PLLCLN_DIV64, 6, 1, 3, 1, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci1_pclk", CLK_PLLCLN_DIV16, 6, 2, 3, 2, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_tclk", CLK_PLLCLN_DIV16, 6, 3, 3, 3, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_ps_ps3_n", CLK_PLLCLN_DIV1024, 6, 4, 3, 4, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 5, 3, 5, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_ps_ps1_n", CLK_PLLCLN_DIV64, 6, 6, 3, 6, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci2_pclk", CLK_PLLCLN_DIV16, 6, 7, 3, 7, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_tclk", CLK_PLLCLN_DIV16, 6, 8, 3, 8, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_ps_ps3_n", CLK_PLLCLN_DIV1024, 6, 9, 3, 9, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 10, 3, 10, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_ps_ps1_n", CLK_PLLCLN_DIV64, 6, 11, 3, 11, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci3_pclk", CLK_PLLCLN_DIV16, 6, 12, 3, 12, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_tclk", CLK_PLLCLN_DIV16, 6, 13, 3, 13, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_ps_ps3_n", CLK_PLLCLN_DIV1024, 6, 14, 3, 14, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 15, 3, 15, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 0, 3, 16, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci4_pclk", CLK_PLLCLN_DIV16, 7, 1, 3, 17, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_tclk", CLK_PLLCLN_DIV16, 7, 2, 3, 18, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_ps_ps3_n", CLK_PLLCLN_DIV1024, 7, 3, 3, 19, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_ps_ps2_n", CLK_PLLCLN_DIV256, 7, 4, 3, 20, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 5, 3, 21, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci5_pclk", CLK_PLLCLN_DIV16, 7, 6, 3, 22, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_tclk", CLK_PLLCLN_DIV16, 7, 7, 3, 23, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_ps_ps3_n", CLK_PLLCLN_DIV1024, 7, 8, 3, 24, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_ps_ps2_n", CLK_PLLCLN_DIV256, 7, 9, 3, 25, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 10, 3, 26, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci6_pclk", CLK_PLLCLN_DIV16, 7, 11, 3, 27, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_tclk", CLK_PLLCLN_DIV16, 7, 12, 3, 28, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_ps_ps3_n", CLK_PLLCLN_DIV1024, 7, 13, 3, 29, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_ps_ps2_n", CLK_PLLCLN_DIV256, 7, 14, 3, 30, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 15, 3, 31, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci7_pclk", CLK_PLLCLN_DIV16, 8, 0, 4, 0, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_tclk", CLK_PLLCLN_DIV16, 8, 1, 4, 1, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_ps_ps3_n", CLK_PLLCLN_DIV1024, 8, 2, 4, 2, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_ps_ps2_n", CLK_PLLCLN_DIV256, 8, 3, 4, 3, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_ps_ps1_n", CLK_PLLCLN_DIV64, 8, 4, 4, 4, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci8_pclk", CLK_PLLCLN_DIV16, 8, 5, 4, 5, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_tclk", CLK_PLLCLN_DIV16, 8, 6, 4, 6, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_ps_ps3_n", CLK_PLLCLN_DIV1024, 8, 7, 4, 7, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_ps_ps2_n", CLK_PLLCLN_DIV256, 8, 8, 4, 8, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_ps_ps1_n", CLK_PLLCLN_DIV64, 8, 9, 4, 9, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci9_pclk", CLK_PLLCLN_DIV16, 8, 10, 4, 10, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_tclk", CLK_PLLCLN_DIV16, 8, 11, 4, 11, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_ps_ps3_n", CLK_PLLCLN_DIV1024, 8, 12, 4, 12, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_ps_ps2_n", CLK_PLLCLN_DIV256, 8, 13, 4, 13, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_ps_ps1_n", CLK_PLLCLN_DIV64, 8, 14, 4, 14, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("scif_0_clk_pck", CLK_PLLCM33_DIV16, 8, 15, 4, 15, + BUS_MSTOP(3, BIT(14))), + DEF_MOD("i3c_0_pclkrw", CLK_PLLCLN_DIV16, 9, 0, 4, 16, + BUS_MSTOP(10, BIT(15))), + DEF_MOD("i3c_0_pclk", CLK_PLLCLN_DIV16, 9, 1, 4, 17, + BUS_MSTOP(10, BIT(15))), + DEF_MOD("i3c_0_tclk", CLK_PLLCLN_DIV8, 9, 2, 4, 18, + BUS_MSTOP(10, BIT(15))), + DEF_MOD("riic_8_ckm", CLK_PLLCM33_DIV16, 9, 3, 4, 19, + BUS_MSTOP(3, BIT(13))), + DEF_MOD("riic_0_ckm", CLK_PLLCLN_DIV16, 9, 4, 4, 20, + BUS_MSTOP(1, BIT(1))), + DEF_MOD("riic_1_ckm", CLK_PLLCLN_DIV16, 9, 5, 4, 21, + BUS_MSTOP(1, BIT(2))), + DEF_MOD("riic_2_ckm", CLK_PLLCLN_DIV16, 9, 6, 4, 22, + BUS_MSTOP(1, BIT(3))), + DEF_MOD("riic_3_ckm", CLK_PLLCLN_DIV16, 9, 7, 4, 23, + BUS_MSTOP(1, BIT(4))), + DEF_MOD("riic_4_ckm", CLK_PLLCLN_DIV16, 9, 8, 4, 24, + BUS_MSTOP(1, BIT(5))), + DEF_MOD("riic_5_ckm", CLK_PLLCLN_DIV16, 9, 9, 4, 25, + BUS_MSTOP(1, BIT(6))), + DEF_MOD("riic_6_ckm", CLK_PLLCLN_DIV16, 9, 10, 4, 26, + BUS_MSTOP(1, BIT(7))), + DEF_MOD("riic_7_ckm", CLK_PLLCLN_DIV16, 9, 11, 4, 27, + BUS_MSTOP(1, BIT(8))), + DEF_MOD("canfd_0_pclk", CLK_PLLCLN_DIV16, 9, 12, 4, 28, + BUS_MSTOP(10, BIT(14))), + DEF_MOD("canfd_0_clk_ram", CLK_PLLCLN_DIV8, 9, 13, 4, 29, + BUS_MSTOP(10, BIT(14))), + DEF_MOD("canfd_0_clkc", CLK_PLLCLN_DIV20, 9, 14, 4, 30, + BUS_MSTOP(10, BIT(14))), + DEF_MOD("spi_hclk", CLK_PLLCM33_GEAR, 9, 15, 4, 31, + BUS_MSTOP(4, BIT(5))), + DEF_MOD("spi_aclk", CLK_PLLCM33_GEAR, 10, 0, 5, 0, + BUS_MSTOP(4, BIT(5))), + DEF_MOD("spi_clk_spix2", CLK_PLLCM33_XSPI, 10, 1, 5, 2, + BUS_MSTOP(4, BIT(5))), + DEF_MOD("sdhi_0_imclk", CLK_PLLCLN_DIV8, 10, 3, 5, 3, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_0_imclk2", CLK_PLLCLN_DIV8, 10, 4, 5, 4, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_0_clk_hs", CLK_PLLCLN_DIV2, 10, 5, 5, 5, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_0_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_1_imclk", CLK_PLLCLN_DIV8, 10, 7, 5, 7, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_1_imclk2", CLK_PLLCLN_DIV8, 10, 8, 5, 8, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_1_clk_hs", CLK_PLLCLN_DIV2, 10, 9, 5, 9, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_1_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_2_imclk", CLK_PLLCLN_DIV8, 10, 11, 5, 11, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("sdhi_2_imclk2", CLK_PLLCLN_DIV8, 10, 12, 5, 12, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("sdhi_2_clk_hs", CLK_PLLCLN_DIV2, 10, 13, 5, 13, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("sdhi_2_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("usb3_0_aclk", CLK_PLLDTY_DIV8, 10, 15, 5, 15, + BUS_MSTOP(7, BIT(12))), + DEF_MOD("usb3_0_pclk_usbtst", CLK_PLLDTY_ACPU_DIV4, 11, 0, 5, 16, + BUS_MSTOP(7, BIT(14))), + DEF_MOD("usb2_0_u2h0_hclk", CLK_PLLDTY_DIV8, 11, 3, 5, 19, + BUS_MSTOP(7, BIT(7))), + DEF_MOD("usb2_0_u2p_exr_cpuclk", CLK_PLLDTY_ACPU_DIV4, 11, 5, 5, 21, + BUS_MSTOP(7, BIT(9))), + DEF_MOD("usb2_0_pclk_usbtst0", CLK_PLLDTY_ACPU_DIV4, 11, 6, 5, 22, + BUS_MSTOP(7, BIT(10))), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_tx_i", CLK_SMUX2_GBE0_TXCLK, 11, 8, 5, 24, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_rx_i", CLK_SMUX2_GBE0_RXCLK, 11, 9, 5, 25, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_tx_180_i", CLK_SMUX2_GBE0_TXCLK, 11, 10, 5, 26, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_rx_180_i", CLK_SMUX2_GBE0_RXCLK, 11, 11, 5, 27, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD("gbeth_0_aclk_csr_i", CLK_PLLDTY_DIV8, 11, 12, 5, 28, + BUS_MSTOP(8, BIT(5))), + DEF_MOD("gbeth_0_aclk_i", CLK_PLLDTY_DIV8, 11, 13, 5, 29, + BUS_MSTOP(8, BIT(5))), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_tx_i", CLK_SMUX2_GBE1_TXCLK, 11, 14, 5, 30, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_rx_i", CLK_SMUX2_GBE1_RXCLK, 11, 15, 5, 31, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_tx_180_i", CLK_SMUX2_GBE1_TXCLK, 12, 0, 6, 0, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_rx_180_i", CLK_SMUX2_GBE1_RXCLK, 12, 1, 6, 1, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD("gbeth_1_aclk_csr_i", CLK_PLLDTY_DIV8, 12, 2, 6, 2, + BUS_MSTOP(8, BIT(6))), + DEF_MOD("gbeth_1_aclk_i", CLK_PLLDTY_DIV8, 12, 3, 6, 3, + BUS_MSTOP(8, BIT(6))), + DEF_MOD("pcie_0_aclk", CLK_PLLDTY_ACPU_DIV2, 12, 4, 6, 4, + BUS_MSTOP(1, BIT(15))), + DEF_MOD("pcie_0_clk_pmu", CLK_PLLDTY_ACPU_DIV2, 12, 5, 6, 5, + BUS_MSTOP(1, BIT(15))), + DEF_MOD("cru_0_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 2, 6, 18, + BUS_MSTOP(9, BIT(4))), + DEF_MOD_NO_PM("cru_0_vclk", CLK_PLLVDO_CRU0, 13, 3, 6, 19, + BUS_MSTOP(9, BIT(4))), + DEF_MOD("cru_0_pclk", CLK_PLLDTY_DIV16, 13, 4, 6, 20, + BUS_MSTOP(9, BIT(4))), + DEF_MOD("cru_1_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 5, 6, 21, + BUS_MSTOP(9, BIT(5))), + DEF_MOD_NO_PM("cru_1_vclk", CLK_PLLVDO_CRU1, 13, 6, 6, 22, + BUS_MSTOP(9, BIT(5))), + DEF_MOD("cru_1_pclk", CLK_PLLDTY_DIV16, 13, 7, 6, 23, + BUS_MSTOP(9, BIT(5))), + DEF_MOD("isp_0_reg_aclk", CLK_PLLDTY_ACPU_DIV2, 14, 2, 7, 2, + BUS_MSTOP(9, BIT(8))), + DEF_MOD("isp_0_pclk", CLK_PLLDTY_DIV16, 14, 3, 7, 3, + BUS_MSTOP(9, BIT(8))), + DEF_MOD("isp_0_vin_aclk", CLK_PLLDTY_ACPU_DIV2, 14, 4, 7, 4, + BUS_MSTOP(9, BIT(9))), + DEF_MOD("isp_0_isp_sclk", CLK_PLLVDO_ISP, 14, 5, 7, 5, + BUS_MSTOP(9, BIT(9))), + DEF_MOD("dsi_0_pclk", CLK_PLLDTY_DIV16, 14, 8, 7, 8, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("dsi_0_aclk", CLK_PLLDTY_ACPU_DIV2, 14, 9, 7, 9, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("dsi_0_vclk1", CLK_PLLDSI_GEAR, 14, 10, 7, 10, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("dsi_0_lpclk", CLK_PLLETH_LPCLK_GEAR, 14, 11, 7, 11, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("dsi_0_pllref_clk", CLK_QEXTAL, 14, 12, 7, 12, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("lcdc_0_clk_a", CLK_PLLDTY_ACPU_DIV2, 14, 13, 7, 13, + BUS_MSTOP(10, BIT(1) | BIT(2) | BIT(3))), + DEF_MOD("lcdc_0_clk_p", CLK_PLLDTY_DIV16, 14, 14, 7, 14, + BUS_MSTOP(10, BIT(1) | BIT(2) | BIT(3))), + DEF_MOD("lcdc_0_clk_d", CLK_PLLDSI_GEAR, 14, 15, 7, 15, + BUS_MSTOP(10, BIT(1) | BIT(2) | BIT(3))), + DEF_MOD("gpu_0_clk", CLK_PLLGPU_GEAR, 15, 0, 7, 16, + BUS_MSTOP(3, BIT(4))), + DEF_MOD("gpu_0_axi_clk", CLK_PLLDTY_ACPU_DIV2, 15, 1, 7, 17, + BUS_MSTOP(3, BIT(4))), + DEF_MOD("gpu_0_ace_clk", CLK_PLLDTY_ACPU_DIV2, 15, 2, 7, 18, + BUS_MSTOP(3, BIT(4))), + DEF_MOD("tsu_0_pclk", CLK_QEXTAL, 16, 9, 8, 9, + BUS_MSTOP(5, BIT(2))), + DEF_MOD("tsu_1_pclk", CLK_QEXTAL, 16, 10, 8, 10, + BUS_MSTOP(2, BIT(15))), +}; + +static const struct rzv2h_reset r9a09g056_resets[] __initconst = { + DEF_RST(3, 0, 1, 1), /* SYS_0_PRESETN */ + DEF_RST(3, 1, 1, 2), /* DMAC_0_ARESETN */ + DEF_RST(3, 2, 1, 3), /* DMAC_1_ARESETN */ + DEF_RST(3, 3, 1, 4), /* DMAC_2_ARESETN */ + DEF_RST(3, 4, 1, 5), /* DMAC_3_ARESETN */ + DEF_RST(3, 5, 1, 6), /* DMAC_4_ARESETN */ + DEF_RST(3, 6, 1, 7), /* ICU_0_PRESETN_I */ + DEF_RST(3, 8, 1, 9), /* GIC_0_GICRESET_N */ + DEF_RST(3, 9, 1, 10), /* GIC_0_DBG_GICRESET_N */ + DEF_RST(6, 13, 2, 30), /* GTM_0_PRESETZ */ + DEF_RST(6, 14, 2, 31), /* GTM_1_PRESETZ */ + DEF_RST(6, 15, 3, 0), /* GTM_2_PRESETZ */ + DEF_RST(7, 0, 3, 1), /* GTM_3_PRESETZ */ + DEF_RST(7, 1, 3, 2), /* GTM_4_PRESETZ */ + DEF_RST(7, 2, 3, 3), /* GTM_5_PRESETZ */ + DEF_RST(7, 3, 3, 4), /* GTM_6_PRESETZ */ + DEF_RST(7, 4, 3, 5), /* GTM_7_PRESETZ */ + DEF_RST(7, 6, 3, 7), /* WDT_1_RESET */ + DEF_RST(8, 1, 3, 18), /* RSCI0_PRESETN */ + DEF_RST(8, 2, 3, 19), /* RSCI0_TRESETN */ + DEF_RST(8, 3, 3, 20), /* RSCI1_PRESETN */ + DEF_RST(8, 4, 3, 21), /* RSCI1_TRESETN */ + DEF_RST(8, 5, 3, 22), /* RSCI2_PRESETN */ + DEF_RST(8, 6, 3, 23), /* RSCI2_TRESETN */ + DEF_RST(8, 7, 3, 24), /* RSCI3_PRESETN */ + DEF_RST(8, 8, 3, 25), /* RSCI3_TRESETN */ + DEF_RST(8, 9, 3, 26), /* RSCI4_PRESETN */ + DEF_RST(8, 10, 3, 27), /* RSCI4_TRESETN */ + DEF_RST(8, 11, 3, 28), /* RSCI5_PRESETN */ + DEF_RST(8, 12, 3, 29), /* RSCI5_TRESETN */ + DEF_RST(8, 13, 3, 30), /* RSCI6_PRESETN */ + DEF_RST(8, 14, 3, 31), /* RSCI6_TRESETN */ + DEF_RST(8, 15, 4, 0), /* RSCI7_PRESETN */ + DEF_RST(9, 0, 4, 1), /* RSCI7_TRESETN */ + DEF_RST(9, 1, 4, 2), /* RSCI8_PRESETN */ + DEF_RST(9, 2, 4, 3), /* RSCI8_TRESETN */ + DEF_RST(9, 3, 4, 4), /* RSCI9_PRESETN */ + DEF_RST(9, 4, 4, 5), /* RSCI9_TRESETN */ + DEF_RST(7, 9, 3, 10), /* RTC_0_RST_RTC */ + DEF_RST(7, 10, 3, 11), /* RTC_0_RST_RTC_V */ + DEF_RST(7, 11, 3, 12), /* RSPI_0_PRESETN */ + DEF_RST(7, 12, 3, 13), /* RSPI_0_TRESETN */ + DEF_RST(7, 13, 3, 14), /* RSPI_1_PRESETN */ + DEF_RST(7, 14, 3, 15), /* RSPI_1_TRESETN */ + DEF_RST(7, 15, 3, 16), /* RSPI_2_PRESETN */ + DEF_RST(8, 0, 3, 17), /* RSPI_2_TRESETN */ + DEF_RST(9, 5, 4, 6), /* SCIF_0_RST_SYSTEM_N */ + DEF_RST(9, 6, 4, 7), /* I3C_0_PRESETN */ + DEF_RST(9, 7, 4, 8), /* I3C_0_TRESETN */ + DEF_RST(9, 8, 4, 9), /* RIIC_0_MRST */ + DEF_RST(9, 9, 4, 10), /* RIIC_1_MRST */ + DEF_RST(9, 10, 4, 11), /* RIIC_2_MRST */ + DEF_RST(9, 11, 4, 12), /* RIIC_3_MRST */ + DEF_RST(9, 12, 4, 13), /* RIIC_4_MRST */ + DEF_RST(9, 13, 4, 14), /* RIIC_5_MRST */ + DEF_RST(9, 14, 4, 15), /* RIIC_6_MRST */ + DEF_RST(9, 15, 4, 16), /* RIIC_7_MRST */ + DEF_RST(10, 0, 4, 17), /* RIIC_8_MRST */ + DEF_RST(10, 1, 4, 18), /* CANFD_0_RSTP_N */ + DEF_RST(10, 2, 4, 19), /* CANFD_0_RSTC_N */ + DEF_RST(10, 3, 4, 20), /* SPI_HRESETN */ + DEF_RST(10, 4, 4, 21), /* SPI_ARESETN */ + DEF_RST(10, 7, 4, 24), /* SDHI_0_IXRST */ + DEF_RST(10, 8, 4, 25), /* SDHI_1_IXRST */ + DEF_RST(10, 9, 4, 26), /* SDHI_2_IXRST */ + DEF_RST(10, 10, 4, 27), /* USB3_0_ARESETN */ + DEF_RST(10, 12, 4, 29), /* USB2_0_U2H0_HRESETN */ + DEF_RST(10, 14, 4, 31), /* USB2_0_U2P_EXL_SYSRST */ + DEF_RST(10, 15, 5, 0), /* USB2_0_PRESETN */ + DEF_RST(11, 0, 5, 1), /* GBETH_0_ARESETN_I */ + DEF_RST(11, 1, 5, 2), /* GBETH_1_ARESETN_I */ + DEF_RST(11, 2, 5, 3), /* PCIE_0_ARESETN */ + DEF_RST(12, 5, 5, 22), /* CRU_0_PRESETN */ + DEF_RST(12, 6, 5, 23), /* CRU_0_ARESETN */ + DEF_RST(12, 7, 5, 24), /* CRU_0_S_RESETN */ + DEF_RST(12, 8, 5, 25), /* CRU_1_PRESETN */ + DEF_RST(12, 9, 5, 26), /* CRU_1_ARESETN */ + DEF_RST(12, 10, 5, 27), /* CRU_1_S_RESETN */ + DEF_RST(13, 1, 6, 2), /* ISP_0_VIN_ARESETN */ + DEF_RST(13, 2, 6, 3), /* ISP_0_REG_ARESETN */ + DEF_RST(13, 3, 6, 4), /* ISP_0_ISP_SRESETN */ + DEF_RST(13, 4, 6, 5), /* ISP_0_PRESETN */ + DEF_RST(13, 7, 6, 8), /* DSI_0_PRESETN */ + DEF_RST(13, 8, 6, 9), /* DSI_0_ARESETN */ + DEF_RST(13, 12, 6, 13), /* LCDC_0_RESET_N */ + DEF_RST(13, 13, 6, 14), /* GPU_0_RESETN */ + DEF_RST(13, 14, 6, 15), /* GPU_0_AXI_RESETN */ + DEF_RST(13, 15, 6, 16), /* GPU_0_ACE_RESETN */ + DEF_RST(15, 7, 7, 8), /* TSU_0_PRESETN */ + DEF_RST(15, 8, 7, 9), /* TSU_1_PRESETN */ +}; + +const struct rzv2h_cpg_info r9a09g056_cpg_info __initconst = { + /* Core Clocks */ + .core_clks = r9a09g056_core_clks, + .num_core_clks = ARRAY_SIZE(r9a09g056_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r9a09g056_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a09g056_mod_clks), + .num_hw_mod_clks = 25 * 16, + + /* Resets */ + .resets = r9a09g056_resets, + .num_resets = ARRAY_SIZE(r9a09g056_resets), + + .num_mstop_bits = 192, +}; diff --git a/drivers/clk/renesas/r9a09g057-cpg.c b/drivers/clk/renesas/r9a09g057-cpg.c new file mode 100644 index 000000000..2fa5a620b --- /dev/null +++ b/drivers/clk/renesas/r9a09g057-cpg.c @@ -0,0 +1,693 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas RZ/V2H(P) CPG driver + * + * Copyright (C) 2024 Renesas Electronics Corp. + */ + +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> + +#include <dt-bindings/clock/renesas,r9a09g057-cpg.h> + +#include "rzv2h-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A09G057_USB3_1_CLKCORE, + + /* External Input Clocks */ + CLK_AUDIO_EXTAL, + CLK_RTXIN, + CLK_QEXTAL, + + /* PLL Clocks */ + CLK_PLLCM33, + CLK_PLLCLN, + CLK_PLLDTY, + CLK_PLLCA55, + CLK_PLLVDO, + CLK_PLLETH, + CLK_PLLDSI, + CLK_PLLGPU, + + /* Internal Core Clocks */ + CLK_PLLCM33_DIV3, + CLK_PLLCM33_DIV4, + CLK_PLLCM33_DIV5, + CLK_PLLCM33_DIV16, + CLK_PLLCM33_GEAR, + CLK_SMUX2_XSPI_CLK0, + CLK_SMUX2_XSPI_CLK1, + CLK_PLLCM33_XSPI, + CLK_PLLCLN_DIV2, + CLK_PLLCLN_DIV8, + CLK_PLLCLN_DIV16, + CLK_PLLCLN_DIV20, + CLK_PLLCLN_DIV64, + CLK_PLLCLN_DIV256, + CLK_PLLCLN_DIV1024, + CLK_PLLDTY_ACPU, + CLK_PLLDTY_ACPU_DIV2, + CLK_PLLDTY_ACPU_DIV4, + CLK_PLLDTY_DIV8, + CLK_PLLDTY_DIV16, + CLK_PLLDTY_RCPU, + CLK_PLLDTY_RCPU_DIV4, + CLK_PLLVDO_CRU0, + CLK_PLLVDO_CRU1, + CLK_PLLVDO_CRU2, + CLK_PLLVDO_CRU3, + CLK_PLLVDO_ISP, + CLK_PLLETH_DIV_250_FIX, + CLK_PLLETH_DIV_125_FIX, + CLK_CSDIV_PLLETH_GBE0, + CLK_CSDIV_PLLETH_GBE1, + CLK_SMUX2_GBE0_TXCLK, + CLK_SMUX2_GBE0_RXCLK, + CLK_SMUX2_GBE1_TXCLK, + CLK_SMUX2_GBE1_RXCLK, + CLK_CDIV4_PLLETH_LPCLK, + CLK_PLLETH_LPCLK_GEAR, + CLK_PLLDSI_GEAR, + CLK_PLLGPU_GEAR, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +static const struct clk_div_table dtable_1_8[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_4[] = { + {0, 2}, + {1, 4}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_16[] = { + {0, 2}, + {1, 4}, + {2, 8}, + {3, 16}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_32[] = { + {0, 2}, + {1, 4}, + {2, 6}, + {3, 8}, + {4, 10}, + {5, 12}, + {6, 14}, + {7, 16}, + {8, 18}, + {9, 20}, + {10, 22}, + {11, 24}, + {12, 26}, + {13, 28}, + {14, 30}, + {15, 32}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_64[] = { + {0, 2}, + {1, 4}, + {2, 8}, + {3, 16}, + {4, 64}, + {0, 0}, +}; + +static const struct clk_div_table dtable_2_100[] = { + {0, 2}, + {1, 10}, + {2, 100}, + {0, 0}, +}; + +static const struct clk_div_table dtable_16_128[] = { + {0, 16}, + {1, 32}, + {2, 64}, + {3, 128}, + {0, 0}, +}; + +RZV2H_CPG_PLL_DSI_LIMITS(rzv2h_cpg_pll_dsi_limits); +#define PLLDSI PLL_PACK_LIMITS(0xc0, 1, 0, &rzv2h_cpg_pll_dsi_limits) + +/* Mux clock tables */ +static const char * const smux2_gbe0_rxclk[] = { ".plleth_gbe0", "et0_rxclk" }; +static const char * const smux2_gbe0_txclk[] = { ".plleth_gbe0", "et0_txclk" }; +static const char * const smux2_gbe1_rxclk[] = { ".plleth_gbe1", "et1_rxclk" }; +static const char * const smux2_gbe1_txclk[] = { ".plleth_gbe1", "et1_txclk" }; +static const char * const smux2_xspi_clk0[] = { ".pllcm33_div3", ".pllcm33_div4" }; +static const char * const smux2_xspi_clk1[] = { ".smux2_xspi_clk0", ".pllcm33_div5" }; + +static const struct cpg_core_clk r9a09g057_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("audio_extal", CLK_AUDIO_EXTAL), + DEF_INPUT("rtxin", CLK_RTXIN), + DEF_INPUT("qextal", CLK_QEXTAL), + + /* PLL Clocks */ + DEF_FIXED(".pllcm33", CLK_PLLCM33, CLK_QEXTAL, 200, 3), + DEF_FIXED(".pllcln", CLK_PLLCLN, CLK_QEXTAL, 200, 3), + DEF_FIXED(".plldty", CLK_PLLDTY, CLK_QEXTAL, 200, 3), + DEF_PLL(".pllca55", CLK_PLLCA55, CLK_QEXTAL, PLLCA55), + DEF_FIXED(".pllvdo", CLK_PLLVDO, CLK_QEXTAL, 105, 2), + DEF_FIXED(".plleth", CLK_PLLETH, CLK_QEXTAL, 125, 3), + DEF_PLLDSI(".plldsi", CLK_PLLDSI, CLK_QEXTAL, PLLDSI), + DEF_PLL(".pllgpu", CLK_PLLGPU, CLK_QEXTAL, PLLGPU), + + /* Internal Core Clocks */ + DEF_FIXED(".pllcm33_div3", CLK_PLLCM33_DIV3, CLK_PLLCM33, 1, 3), + DEF_FIXED(".pllcm33_div4", CLK_PLLCM33_DIV4, CLK_PLLCM33, 1, 4), + DEF_FIXED(".pllcm33_div5", CLK_PLLCM33_DIV5, CLK_PLLCM33, 1, 5), + DEF_FIXED(".pllcm33_div16", CLK_PLLCM33_DIV16, CLK_PLLCM33, 1, 16), + DEF_DDIV(".pllcm33_gear", CLK_PLLCM33_GEAR, CLK_PLLCM33_DIV4, CDDIV0_DIVCTL1, dtable_2_64), + DEF_SMUX(".smux2_xspi_clk0", CLK_SMUX2_XSPI_CLK0, SSEL1_SELCTL2, smux2_xspi_clk0), + DEF_SMUX(".smux2_xspi_clk1", CLK_SMUX2_XSPI_CLK1, SSEL1_SELCTL3, smux2_xspi_clk1), + DEF_CSDIV(".pllcm33_xspi", CLK_PLLCM33_XSPI, CLK_SMUX2_XSPI_CLK1, CSDIV0_DIVCTL3, + dtable_2_16), + + DEF_FIXED(".pllcln_div2", CLK_PLLCLN_DIV2, CLK_PLLCLN, 1, 2), + DEF_FIXED(".pllcln_div8", CLK_PLLCLN_DIV8, CLK_PLLCLN, 1, 8), + DEF_FIXED(".pllcln_div16", CLK_PLLCLN_DIV16, CLK_PLLCLN, 1, 16), + DEF_FIXED(".pllcln_div20", CLK_PLLCLN_DIV20, CLK_PLLCLN, 1, 20), + DEF_FIXED(".pllcln_div64", CLK_PLLCLN_DIV64, CLK_PLLCLN, 1, 64), + DEF_FIXED(".pllcln_div256", CLK_PLLCLN_DIV256, CLK_PLLCLN, 1, 256), + DEF_FIXED(".pllcln_div1024", CLK_PLLCLN_DIV1024, CLK_PLLCLN, 1, 1024), + + DEF_DDIV(".plldty_acpu", CLK_PLLDTY_ACPU, CLK_PLLDTY, CDDIV0_DIVCTL2, dtable_2_64), + DEF_FIXED(".plldty_acpu_div2", CLK_PLLDTY_ACPU_DIV2, CLK_PLLDTY_ACPU, 1, 2), + DEF_FIXED(".plldty_acpu_div4", CLK_PLLDTY_ACPU_DIV4, CLK_PLLDTY_ACPU, 1, 4), + DEF_FIXED(".plldty_div8", CLK_PLLDTY_DIV8, CLK_PLLDTY, 1, 8), + DEF_FIXED(".plldty_div16", CLK_PLLDTY_DIV16, CLK_PLLDTY, 1, 16), + DEF_DDIV(".plldty_rcpu", CLK_PLLDTY_RCPU, CLK_PLLDTY, CDDIV3_DIVCTL2, dtable_2_64), + DEF_FIXED(".plldty_rcpu_div4", CLK_PLLDTY_RCPU_DIV4, CLK_PLLDTY_RCPU, 1, 4), + + DEF_DDIV(".pllvdo_cru0", CLK_PLLVDO_CRU0, CLK_PLLVDO, CDDIV3_DIVCTL3, dtable_2_4), + DEF_DDIV(".pllvdo_cru1", CLK_PLLVDO_CRU1, CLK_PLLVDO, CDDIV4_DIVCTL0, dtable_2_4), + DEF_DDIV(".pllvdo_cru2", CLK_PLLVDO_CRU2, CLK_PLLVDO, CDDIV4_DIVCTL1, dtable_2_4), + DEF_DDIV(".pllvdo_cru3", CLK_PLLVDO_CRU3, CLK_PLLVDO, CDDIV4_DIVCTL2, dtable_2_4), + DEF_DDIV(".pllvdo_isp", CLK_PLLVDO_ISP, CLK_PLLVDO, CDDIV2_DIVCTL3, dtable_2_64), + + DEF_FIXED(".plleth_250_fix", CLK_PLLETH_DIV_250_FIX, CLK_PLLETH, 1, 4), + DEF_FIXED(".plleth_125_fix", CLK_PLLETH_DIV_125_FIX, CLK_PLLETH_DIV_250_FIX, 1, 2), + DEF_CSDIV(".plleth_gbe0", CLK_CSDIV_PLLETH_GBE0, + CLK_PLLETH_DIV_250_FIX, CSDIV0_DIVCTL0, dtable_2_100), + DEF_CSDIV(".plleth_gbe1", CLK_CSDIV_PLLETH_GBE1, + CLK_PLLETH_DIV_250_FIX, CSDIV0_DIVCTL1, dtable_2_100), + DEF_SMUX(".smux2_gbe0_txclk", CLK_SMUX2_GBE0_TXCLK, SSEL0_SELCTL2, smux2_gbe0_txclk), + DEF_SMUX(".smux2_gbe0_rxclk", CLK_SMUX2_GBE0_RXCLK, SSEL0_SELCTL3, smux2_gbe0_rxclk), + DEF_SMUX(".smux2_gbe1_txclk", CLK_SMUX2_GBE1_TXCLK, SSEL1_SELCTL0, smux2_gbe1_txclk), + DEF_SMUX(".smux2_gbe1_rxclk", CLK_SMUX2_GBE1_RXCLK, SSEL1_SELCTL1, smux2_gbe1_rxclk), + DEF_FIXED(".cdiv4_plleth_lpclk", CLK_CDIV4_PLLETH_LPCLK, CLK_PLLETH, 1, 4), + DEF_CSDIV(".plleth_lpclk_gear", CLK_PLLETH_LPCLK_GEAR, CLK_CDIV4_PLLETH_LPCLK, + CSDIV0_DIVCTL2, dtable_16_128), + + DEF_PLLDSI_DIV(".plldsi_gear", CLK_PLLDSI_GEAR, CLK_PLLDSI, + CSDIV1_DIVCTL2, dtable_2_32), + + DEF_DDIV(".pllgpu_gear", CLK_PLLGPU_GEAR, CLK_PLLGPU, CDDIV3_DIVCTL1, dtable_2_64), + + /* Core Clocks */ + DEF_FIXED("sys_0_pclk", R9A09G057_SYS_0_PCLK, CLK_QEXTAL, 1, 1), + DEF_DDIV("ca55_0_coreclk0", R9A09G057_CA55_0_CORE_CLK0, CLK_PLLCA55, + CDDIV1_DIVCTL0, dtable_1_8), + DEF_DDIV("ca55_0_coreclk1", R9A09G057_CA55_0_CORE_CLK1, CLK_PLLCA55, + CDDIV1_DIVCTL1, dtable_1_8), + DEF_DDIV("ca55_0_coreclk2", R9A09G057_CA55_0_CORE_CLK2, CLK_PLLCA55, + CDDIV1_DIVCTL2, dtable_1_8), + DEF_DDIV("ca55_0_coreclk3", R9A09G057_CA55_0_CORE_CLK3, CLK_PLLCA55, + CDDIV1_DIVCTL3, dtable_1_8), + DEF_FIXED("iotop_0_shclk", R9A09G057_IOTOP_0_SHCLK, CLK_PLLCM33_DIV16, 1, 1), + DEF_FIXED("usb2_0_clk_core0", R9A09G057_USB2_0_CLK_CORE0, CLK_QEXTAL, 1, 1), + DEF_FIXED("usb2_0_clk_core1", R9A09G057_USB2_0_CLK_CORE1, CLK_QEXTAL, 1, 1), + DEF_FIXED("gbeth_0_clk_ptp_ref_i", R9A09G057_GBETH_0_CLK_PTP_REF_I, + CLK_PLLETH_DIV_125_FIX, 1, 1), + DEF_FIXED("gbeth_1_clk_ptp_ref_i", R9A09G057_GBETH_1_CLK_PTP_REF_I, + CLK_PLLETH_DIV_125_FIX, 1, 1), + DEF_FIXED_MOD_STATUS("spi_clk_spi", R9A09G057_SPI_CLK_SPI, CLK_PLLCM33_XSPI, 1, 2, + FIXED_MOD_CONF_XSPI), + DEF_FIXED("usb3_0_ref_alt_clk_p", R9A09G057_USB3_0_REF_ALT_CLK_P, CLK_QEXTAL, 1, 1), + DEF_FIXED("usb3_0_core_clk", R9A09G057_USB3_0_CLKCORE, CLK_QEXTAL, 1, 1), + DEF_FIXED("usb3_1_ref_alt_clk_p", R9A09G057_USB3_1_REF_ALT_CLK_P, CLK_QEXTAL, 1, 1), + DEF_FIXED("usb3_1_core_clk", R9A09G057_USB3_1_CLKCORE, CLK_QEXTAL, 1, 1), +}; + +static const struct rzv2h_mod_clk r9a09g057_mod_clks[] __initconst = { + DEF_MOD("dmac_0_aclk", CLK_PLLCM33_GEAR, 0, 0, 0, 0, + BUS_MSTOP(5, BIT(9))), + DEF_MOD("dmac_1_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 1, 0, 1, + BUS_MSTOP(3, BIT(2))), + DEF_MOD("dmac_2_aclk", CLK_PLLDTY_ACPU_DIV2, 0, 2, 0, 2, + BUS_MSTOP(3, BIT(3))), + DEF_MOD("dmac_3_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 3, 0, 3, + BUS_MSTOP(10, BIT(11))), + DEF_MOD("dmac_4_aclk", CLK_PLLDTY_RCPU_DIV4, 0, 4, 0, 4, + BUS_MSTOP(10, BIT(12))), + DEF_MOD_CRITICAL("icu_0_pclk_i", CLK_PLLCM33_DIV16, 0, 5, 0, 5, + BUS_MSTOP_NONE), + DEF_MOD_CRITICAL("gic_0_gicclk", CLK_PLLDTY_ACPU_DIV4, 1, 3, 0, 19, + BUS_MSTOP(3, BIT(5))), + DEF_MOD("gtm_0_pclk", CLK_PLLCM33_DIV16, 4, 3, 2, 3, + BUS_MSTOP(5, BIT(10))), + DEF_MOD("gtm_1_pclk", CLK_PLLCM33_DIV16, 4, 4, 2, 4, + BUS_MSTOP(5, BIT(11))), + DEF_MOD("gtm_2_pclk", CLK_PLLCLN_DIV16, 4, 5, 2, 5, + BUS_MSTOP(2, BIT(13))), + DEF_MOD("gtm_3_pclk", CLK_PLLCLN_DIV16, 4, 6, 2, 6, + BUS_MSTOP(2, BIT(14))), + DEF_MOD("gtm_4_pclk", CLK_PLLCLN_DIV16, 4, 7, 2, 7, + BUS_MSTOP(11, BIT(13))), + DEF_MOD("gtm_5_pclk", CLK_PLLCLN_DIV16, 4, 8, 2, 8, + BUS_MSTOP(11, BIT(14))), + DEF_MOD("gtm_6_pclk", CLK_PLLCLN_DIV16, 4, 9, 2, 9, + BUS_MSTOP(11, BIT(15))), + DEF_MOD("gtm_7_pclk", CLK_PLLCLN_DIV16, 4, 10, 2, 10, + BUS_MSTOP(12, BIT(0))), + DEF_MOD("wdt_1_clkp", CLK_PLLCLN_DIV16, 4, 13, 2, 13, + BUS_MSTOP(1, BIT(0))), + DEF_MOD("wdt_1_clk_loco", CLK_QEXTAL, 4, 14, 2, 14, + BUS_MSTOP(1, BIT(0))), + DEF_MOD("rtc_0_clk_rtc", CLK_PLLCM33_DIV16, 5, 3, 2, 19, + BUS_MSTOP(3, BIT(11) | BIT(12))), + DEF_MOD("rspi_0_pclk", CLK_PLLCLN_DIV8, 5, 4, 2, 20, + BUS_MSTOP(11, BIT(0))), + DEF_MOD("rspi_0_pclk_sfr", CLK_PLLCLN_DIV8, 5, 5, 2, 21, + BUS_MSTOP(11, BIT(0))), + DEF_MOD("rspi_0_tclk", CLK_PLLCLN_DIV8, 5, 6, 2, 22, + BUS_MSTOP(11, BIT(0))), + DEF_MOD("rspi_1_pclk", CLK_PLLCLN_DIV8, 5, 7, 2, 23, + BUS_MSTOP(11, BIT(1))), + DEF_MOD("rspi_1_pclk_sfr", CLK_PLLCLN_DIV8, 5, 8, 2, 24, + BUS_MSTOP(11, BIT(1))), + DEF_MOD("rspi_1_tclk", CLK_PLLCLN_DIV8, 5, 9, 2, 25, + BUS_MSTOP(11, BIT(1))), + DEF_MOD("rspi_2_pclk", CLK_PLLCLN_DIV8, 5, 10, 2, 26, + BUS_MSTOP(11, BIT(2))), + DEF_MOD("rspi_2_pclk_sfr", CLK_PLLCLN_DIV8, 5, 11, 2, 27, + BUS_MSTOP(11, BIT(2))), + DEF_MOD("rspi_2_tclk", CLK_PLLCLN_DIV8, 5, 12, 2, 28, + BUS_MSTOP(11, BIT(2))), + DEF_MOD("rsci0_pclk", CLK_PLLCLN_DIV16, 5, 13, 2, 29, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_tclk", CLK_PLLCLN_DIV16, 5, 14, 2, 30, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_ps_ps3_n", CLK_PLLCLN_DIV1024, 5, 15, 2, 31, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 0, 3, 0, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci0_ps_ps1_n", CLK_PLLCLN_DIV64, 6, 1, 3, 1, + BUS_MSTOP(11, BIT(3))), + DEF_MOD("rsci1_pclk", CLK_PLLCLN_DIV16, 6, 2, 3, 2, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_tclk", CLK_PLLCLN_DIV16, 6, 3, 3, 3, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_ps_ps3_n", CLK_PLLCLN_DIV1024, 6, 4, 3, 4, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 5, 3, 5, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci1_ps_ps1_n", CLK_PLLCLN_DIV64, 6, 6, 3, 6, + BUS_MSTOP(11, BIT(4))), + DEF_MOD("rsci2_pclk", CLK_PLLCLN_DIV16, 6, 7, 3, 7, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_tclk", CLK_PLLCLN_DIV16, 6, 8, 3, 8, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_ps_ps3_n", CLK_PLLCLN_DIV1024, 6, 9, 3, 9, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 10, 3, 10, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci2_ps_ps1_n", CLK_PLLCLN_DIV64, 6, 11, 3, 11, + BUS_MSTOP(11, BIT(5))), + DEF_MOD("rsci3_pclk", CLK_PLLCLN_DIV16, 6, 12, 3, 12, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_tclk", CLK_PLLCLN_DIV16, 6, 13, 3, 13, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_ps_ps3_n", CLK_PLLCLN_DIV1024, 6, 14, 3, 14, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_ps_ps2_n", CLK_PLLCLN_DIV256, 6, 15, 3, 15, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci3_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 0, 3, 16, + BUS_MSTOP(11, BIT(6))), + DEF_MOD("rsci4_pclk", CLK_PLLCLN_DIV16, 7, 1, 3, 17, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_tclk", CLK_PLLCLN_DIV16, 7, 2, 3, 18, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_ps_ps3_n", CLK_PLLCLN_DIV1024, 7, 3, 3, 19, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_ps_ps2_n", CLK_PLLCLN_DIV256, 7, 4, 3, 20, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci4_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 5, 3, 21, + BUS_MSTOP(11, BIT(7))), + DEF_MOD("rsci5_pclk", CLK_PLLCLN_DIV16, 7, 6, 3, 22, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_tclk", CLK_PLLCLN_DIV16, 7, 7, 3, 23, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_ps_ps3_n", CLK_PLLCLN_DIV1024, 7, 8, 3, 24, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_ps_ps2_n", CLK_PLLCLN_DIV256, 7, 9, 3, 25, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci5_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 10, 3, 26, + BUS_MSTOP(11, BIT(8))), + DEF_MOD("rsci6_pclk", CLK_PLLCLN_DIV16, 7, 11, 3, 27, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_tclk", CLK_PLLCLN_DIV16, 7, 12, 3, 28, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_ps_ps3_n", CLK_PLLCLN_DIV1024, 7, 13, 3, 29, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_ps_ps2_n", CLK_PLLCLN_DIV256, 7, 14, 3, 30, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci6_ps_ps1_n", CLK_PLLCLN_DIV64, 7, 15, 3, 31, + BUS_MSTOP(11, BIT(9))), + DEF_MOD("rsci7_pclk", CLK_PLLCLN_DIV16, 8, 0, 4, 0, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_tclk", CLK_PLLCLN_DIV16, 8, 1, 4, 1, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_ps_ps3_n", CLK_PLLCLN_DIV1024, 8, 2, 4, 2, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_ps_ps2_n", CLK_PLLCLN_DIV256, 8, 3, 4, 3, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci7_ps_ps1_n", CLK_PLLCLN_DIV64, 8, 4, 4, 4, + BUS_MSTOP(11, BIT(10))), + DEF_MOD("rsci8_pclk", CLK_PLLCLN_DIV16, 8, 5, 4, 5, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_tclk", CLK_PLLCLN_DIV16, 8, 6, 4, 6, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_ps_ps3_n", CLK_PLLCLN_DIV1024, 8, 7, 4, 7, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_ps_ps2_n", CLK_PLLCLN_DIV256, 8, 8, 4, 8, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci8_ps_ps1_n", CLK_PLLCLN_DIV64, 8, 9, 4, 9, + BUS_MSTOP(11, BIT(11))), + DEF_MOD("rsci9_pclk", CLK_PLLCLN_DIV16, 8, 10, 4, 10, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_tclk", CLK_PLLCLN_DIV16, 8, 11, 4, 11, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_ps_ps3_n", CLK_PLLCLN_DIV1024, 8, 12, 4, 12, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_ps_ps2_n", CLK_PLLCLN_DIV256, 8, 13, 4, 13, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("rsci9_ps_ps1_n", CLK_PLLCLN_DIV64, 8, 14, 4, 14, + BUS_MSTOP(11, BIT(12))), + DEF_MOD("scif_0_clk_pck", CLK_PLLCM33_DIV16, 8, 15, 4, 15, + BUS_MSTOP(3, BIT(14))), + DEF_MOD("i3c_0_pclkrw", CLK_PLLCLN_DIV16, 9, 0, 4, 16, + BUS_MSTOP(10, BIT(15))), + DEF_MOD("i3c_0_pclk", CLK_PLLCLN_DIV16, 9, 1, 4, 17, + BUS_MSTOP(10, BIT(15))), + DEF_MOD("i3c_0_tclk", CLK_PLLCLN_DIV8, 9, 2, 4, 18, + BUS_MSTOP(10, BIT(15))), + DEF_MOD("riic_8_ckm", CLK_PLLCM33_DIV16, 9, 3, 4, 19, + BUS_MSTOP(3, BIT(13))), + DEF_MOD("riic_0_ckm", CLK_PLLCLN_DIV16, 9, 4, 4, 20, + BUS_MSTOP(1, BIT(1))), + DEF_MOD("riic_1_ckm", CLK_PLLCLN_DIV16, 9, 5, 4, 21, + BUS_MSTOP(1, BIT(2))), + DEF_MOD("riic_2_ckm", CLK_PLLCLN_DIV16, 9, 6, 4, 22, + BUS_MSTOP(1, BIT(3))), + DEF_MOD("riic_3_ckm", CLK_PLLCLN_DIV16, 9, 7, 4, 23, + BUS_MSTOP(1, BIT(4))), + DEF_MOD("riic_4_ckm", CLK_PLLCLN_DIV16, 9, 8, 4, 24, + BUS_MSTOP(1, BIT(5))), + DEF_MOD("riic_5_ckm", CLK_PLLCLN_DIV16, 9, 9, 4, 25, + BUS_MSTOP(1, BIT(6))), + DEF_MOD("riic_6_ckm", CLK_PLLCLN_DIV16, 9, 10, 4, 26, + BUS_MSTOP(1, BIT(7))), + DEF_MOD("riic_7_ckm", CLK_PLLCLN_DIV16, 9, 11, 4, 27, + BUS_MSTOP(1, BIT(8))), + DEF_MOD("canfd_0_pclk", CLK_PLLCLN_DIV16, 9, 12, 4, 28, + BUS_MSTOP(10, BIT(14))), + DEF_MOD("canfd_0_clk_ram", CLK_PLLCLN_DIV8, 9, 13, 4, 29, + BUS_MSTOP(10, BIT(14))), + DEF_MOD("canfd_0_clkc", CLK_PLLCLN_DIV20, 9, 14, 4, 30, + BUS_MSTOP(10, BIT(14))), + DEF_MOD("spi_hclk", CLK_PLLCM33_GEAR, 9, 15, 4, 31, + BUS_MSTOP(4, BIT(5))), + DEF_MOD("spi_aclk", CLK_PLLCM33_GEAR, 10, 0, 5, 0, + BUS_MSTOP(4, BIT(5))), + DEF_MOD("spi_clk_spix2", CLK_PLLCM33_XSPI, 10, 1, 5, 2, + BUS_MSTOP(4, BIT(5))), + DEF_MOD("sdhi_0_imclk", CLK_PLLCLN_DIV8, 10, 3, 5, 3, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_0_imclk2", CLK_PLLCLN_DIV8, 10, 4, 5, 4, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_0_clk_hs", CLK_PLLCLN_DIV2, 10, 5, 5, 5, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_0_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 6, 5, 6, + BUS_MSTOP(8, BIT(2))), + DEF_MOD("sdhi_1_imclk", CLK_PLLCLN_DIV8, 10, 7, 5, 7, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_1_imclk2", CLK_PLLCLN_DIV8, 10, 8, 5, 8, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_1_clk_hs", CLK_PLLCLN_DIV2, 10, 9, 5, 9, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_1_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 10, 5, 10, + BUS_MSTOP(8, BIT(3))), + DEF_MOD("sdhi_2_imclk", CLK_PLLCLN_DIV8, 10, 11, 5, 11, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("sdhi_2_imclk2", CLK_PLLCLN_DIV8, 10, 12, 5, 12, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("sdhi_2_clk_hs", CLK_PLLCLN_DIV2, 10, 13, 5, 13, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("sdhi_2_aclk", CLK_PLLDTY_ACPU_DIV4, 10, 14, 5, 14, + BUS_MSTOP(8, BIT(4))), + DEF_MOD("usb3_0_aclk", CLK_PLLDTY_DIV8, 10, 15, 5, 15, + BUS_MSTOP(7, BIT(12))), + DEF_MOD("usb3_0_pclk_usbtst", CLK_PLLDTY_ACPU_DIV4, 11, 0, 5, 16, + BUS_MSTOP(7, BIT(14))), + DEF_MOD("usb3_1_aclk", CLK_PLLDTY_DIV8, 11, 1, 5, 17, + BUS_MSTOP(7, BIT(13))), + DEF_MOD("usb3_1_pclk_usbtst", CLK_PLLDTY_ACPU_DIV4, 11, 2, 5, 18, + BUS_MSTOP(7, BIT(15))), + DEF_MOD("usb2_0_u2h0_hclk", CLK_PLLDTY_DIV8, 11, 3, 5, 19, + BUS_MSTOP(7, BIT(7))), + DEF_MOD("usb2_0_u2h1_hclk", CLK_PLLDTY_DIV8, 11, 4, 5, 20, + BUS_MSTOP(7, BIT(8))), + DEF_MOD("usb2_0_u2p_exr_cpuclk", CLK_PLLDTY_ACPU_DIV4, 11, 5, 5, 21, + BUS_MSTOP(7, BIT(9))), + DEF_MOD("usb2_0_pclk_usbtst0", CLK_PLLDTY_ACPU_DIV4, 11, 6, 5, 22, + BUS_MSTOP(7, BIT(10))), + DEF_MOD("usb2_0_pclk_usbtst1", CLK_PLLDTY_ACPU_DIV4, 11, 7, 5, 23, + BUS_MSTOP(7, BIT(11))), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_tx_i", CLK_SMUX2_GBE0_TXCLK, 11, 8, 5, 24, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_rx_i", CLK_SMUX2_GBE0_RXCLK, 11, 9, 5, 25, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_tx_180_i", CLK_SMUX2_GBE0_TXCLK, 11, 10, 5, 26, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_0_clk_rx_180_i", CLK_SMUX2_GBE0_RXCLK, 11, 11, 5, 27, + BUS_MSTOP(8, BIT(5)), 1), + DEF_MOD("gbeth_0_aclk_csr_i", CLK_PLLDTY_DIV8, 11, 12, 5, 28, + BUS_MSTOP(8, BIT(5))), + DEF_MOD("gbeth_0_aclk_i", CLK_PLLDTY_DIV8, 11, 13, 5, 29, + BUS_MSTOP(8, BIT(5))), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_tx_i", CLK_SMUX2_GBE1_TXCLK, 11, 14, 5, 30, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_rx_i", CLK_SMUX2_GBE1_RXCLK, 11, 15, 5, 31, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_tx_180_i", CLK_SMUX2_GBE1_TXCLK, 12, 0, 6, 0, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD_MUX_EXTERNAL("gbeth_1_clk_rx_180_i", CLK_SMUX2_GBE1_RXCLK, 12, 1, 6, 1, + BUS_MSTOP(8, BIT(6)), 1), + DEF_MOD("gbeth_1_aclk_csr_i", CLK_PLLDTY_DIV8, 12, 2, 6, 2, + BUS_MSTOP(8, BIT(6))), + DEF_MOD("gbeth_1_aclk_i", CLK_PLLDTY_DIV8, 12, 3, 6, 3, + BUS_MSTOP(8, BIT(6))), + DEF_MOD("pcie_0_aclk", CLK_PLLDTY_ACPU_DIV2, 12, 4, 6, 4, + BUS_MSTOP(1, BIT(13) | BIT(15))), + DEF_MOD("pcie_0_clk_pmu", CLK_PLLDTY_ACPU_DIV2, 12, 5, 6, 5, + BUS_MSTOP(1, BIT(13) | BIT(15))), + DEF_MOD("cru_0_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 2, 6, 18, + BUS_MSTOP(9, BIT(4))), + DEF_MOD_NO_PM("cru_0_vclk", CLK_PLLVDO_CRU0, 13, 3, 6, 19, + BUS_MSTOP(9, BIT(4))), + DEF_MOD("cru_0_pclk", CLK_PLLDTY_DIV16, 13, 4, 6, 20, + BUS_MSTOP(9, BIT(4))), + DEF_MOD("cru_1_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 5, 6, 21, + BUS_MSTOP(9, BIT(5))), + DEF_MOD_NO_PM("cru_1_vclk", CLK_PLLVDO_CRU1, 13, 6, 6, 22, + BUS_MSTOP(9, BIT(5))), + DEF_MOD("cru_1_pclk", CLK_PLLDTY_DIV16, 13, 7, 6, 23, + BUS_MSTOP(9, BIT(5))), + DEF_MOD("cru_2_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 8, 6, 24, + BUS_MSTOP(9, BIT(6))), + DEF_MOD_NO_PM("cru_2_vclk", CLK_PLLVDO_CRU2, 13, 9, 6, 25, + BUS_MSTOP(9, BIT(6))), + DEF_MOD("cru_2_pclk", CLK_PLLDTY_DIV16, 13, 10, 6, 26, + BUS_MSTOP(9, BIT(6))), + DEF_MOD("cru_3_aclk", CLK_PLLDTY_ACPU_DIV2, 13, 11, 6, 27, + BUS_MSTOP(9, BIT(7))), + DEF_MOD_NO_PM("cru_3_vclk", CLK_PLLVDO_CRU3, 13, 12, 6, 28, + BUS_MSTOP(9, BIT(7))), + DEF_MOD("cru_3_pclk", CLK_PLLDTY_DIV16, 13, 13, 6, 29, + BUS_MSTOP(9, BIT(7))), + DEF_MOD("isp_0_reg_aclk", CLK_PLLDTY_ACPU_DIV2, 14, 2, 7, 2, + BUS_MSTOP(9, BIT(8))), + DEF_MOD("isp_0_pclk", CLK_PLLDTY_DIV16, 14, 3, 7, 3, + BUS_MSTOP(9, BIT(8))), + DEF_MOD("isp_0_vin_aclk", CLK_PLLDTY_ACPU_DIV2, 14, 4, 7, 4, + BUS_MSTOP(9, BIT(9))), + DEF_MOD("isp_0_isp_sclk", CLK_PLLVDO_ISP, 14, 5, 7, 5, + BUS_MSTOP(9, BIT(9))), + DEF_MOD("dsi_0_pclk", CLK_PLLDTY_DIV16, 14, 8, 7, 8, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("dsi_0_aclk", CLK_PLLDTY_ACPU_DIV2, 14, 9, 7, 9, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("dsi_0_vclk1", CLK_PLLDSI_GEAR, 14, 10, 7, 10, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("dsi_0_lpclk", CLK_PLLETH_LPCLK_GEAR, 14, 11, 7, 11, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("dsi_0_pllref_clk", CLK_QEXTAL, 14, 12, 7, 12, + BUS_MSTOP(9, BIT(14) | BIT(15))), + DEF_MOD("lcdc_0_clk_a", CLK_PLLDTY_ACPU_DIV2, 14, 13, 7, 13, + BUS_MSTOP(10, BIT(1) | BIT(2) | BIT(3))), + DEF_MOD("lcdc_0_clk_p", CLK_PLLDTY_DIV16, 14, 14, 7, 14, + BUS_MSTOP(10, BIT(1) | BIT(2) | BIT(3))), + DEF_MOD("lcdc_0_clk_d", CLK_PLLDSI_GEAR, 14, 15, 7, 15, + BUS_MSTOP(10, BIT(1) | BIT(2) | BIT(3))), + DEF_MOD("gpu_0_clk", CLK_PLLGPU_GEAR, 15, 0, 7, 16, + BUS_MSTOP(3, BIT(4))), + DEF_MOD("gpu_0_axi_clk", CLK_PLLDTY_ACPU_DIV2, 15, 1, 7, 17, + BUS_MSTOP(3, BIT(4))), + DEF_MOD("gpu_0_ace_clk", CLK_PLLDTY_ACPU_DIV2, 15, 2, 7, 18, + BUS_MSTOP(3, BIT(4))), + DEF_MOD("tsu_0_pclk", CLK_QEXTAL, 16, 9, 8, 9, + BUS_MSTOP(5, BIT(2))), + DEF_MOD("tsu_1_pclk", CLK_QEXTAL, 16, 10, 8, 10, + BUS_MSTOP(2, BIT(15))), +}; + +static const struct rzv2h_reset r9a09g057_resets[] __initconst = { + DEF_RST(3, 0, 1, 1), /* SYS_0_PRESETN */ + DEF_RST(3, 1, 1, 2), /* DMAC_0_ARESETN */ + DEF_RST(3, 2, 1, 3), /* DMAC_1_ARESETN */ + DEF_RST(3, 3, 1, 4), /* DMAC_2_ARESETN */ + DEF_RST(3, 4, 1, 5), /* DMAC_3_ARESETN */ + DEF_RST(3, 5, 1, 6), /* DMAC_4_ARESETN */ + DEF_RST(3, 6, 1, 7), /* ICU_0_PRESETN_I */ + DEF_RST(3, 8, 1, 9), /* GIC_0_GICRESET_N */ + DEF_RST(3, 9, 1, 10), /* GIC_0_DBG_GICRESET_N */ + DEF_RST(6, 13, 2, 30), /* GTM_0_PRESETZ */ + DEF_RST(6, 14, 2, 31), /* GTM_1_PRESETZ */ + DEF_RST(6, 15, 3, 0), /* GTM_2_PRESETZ */ + DEF_RST(7, 0, 3, 1), /* GTM_3_PRESETZ */ + DEF_RST(7, 1, 3, 2), /* GTM_4_PRESETZ */ + DEF_RST(7, 2, 3, 3), /* GTM_5_PRESETZ */ + DEF_RST(7, 3, 3, 4), /* GTM_6_PRESETZ */ + DEF_RST(7, 4, 3, 5), /* GTM_7_PRESETZ */ + DEF_RST(7, 6, 3, 7), /* WDT_1_RESET */ + DEF_RST(8, 1, 3, 18), /* RSCI0_PRESETN */ + DEF_RST(8, 2, 3, 19), /* RSCI0_TRESETN */ + DEF_RST(8, 3, 3, 20), /* RSCI1_PRESETN */ + DEF_RST(8, 4, 3, 21), /* RSCI1_TRESETN */ + DEF_RST(8, 5, 3, 22), /* RSCI2_PRESETN */ + DEF_RST(8, 6, 3, 23), /* RSCI2_TRESETN */ + DEF_RST(8, 7, 3, 24), /* RSCI3_PRESETN */ + DEF_RST(8, 8, 3, 25), /* RSCI3_TRESETN */ + DEF_RST(8, 9, 3, 26), /* RSCI4_PRESETN */ + DEF_RST(8, 10, 3, 27), /* RSCI4_TRESETN */ + DEF_RST(8, 11, 3, 28), /* RSCI5_PRESETN */ + DEF_RST(8, 12, 3, 29), /* RSCI5_TRESETN */ + DEF_RST(8, 13, 3, 30), /* RSCI6_PRESETN */ + DEF_RST(8, 14, 3, 31), /* RSCI6_TRESETN */ + DEF_RST(8, 15, 4, 0), /* RSCI7_PRESETN */ + DEF_RST(9, 0, 4, 1), /* RSCI7_TRESETN */ + DEF_RST(9, 1, 4, 2), /* RSCI8_PRESETN */ + DEF_RST(9, 2, 4, 3), /* RSCI8_TRESETN */ + DEF_RST(9, 3, 4, 4), /* RSCI9_PRESETN */ + DEF_RST(9, 4, 4, 5), /* RSCI9_TRESETN */ + DEF_RST(7, 9, 3, 10), /* RTC_0_RST_RTC */ + DEF_RST(7, 10, 3, 11), /* RTC_0_RST_RTC_V */ + DEF_RST(7, 11, 3, 12), /* RSPI_0_PRESETN */ + DEF_RST(7, 12, 3, 13), /* RSPI_0_TRESETN */ + DEF_RST(7, 13, 3, 14), /* RSPI_1_PRESETN */ + DEF_RST(7, 14, 3, 15), /* RSPI_1_TRESETN */ + DEF_RST(7, 15, 3, 16), /* RSPI_2_PRESETN */ + DEF_RST(8, 0, 3, 17), /* RSPI_2_TRESETN */ + DEF_RST(9, 5, 4, 6), /* SCIF_0_RST_SYSTEM_N */ + DEF_RST(9, 6, 4, 7), /* I3C_0_PRESETN */ + DEF_RST(9, 7, 4, 8), /* I3C_0_TRESETN */ + DEF_RST(9, 8, 4, 9), /* RIIC_0_MRST */ + DEF_RST(9, 9, 4, 10), /* RIIC_1_MRST */ + DEF_RST(9, 10, 4, 11), /* RIIC_2_MRST */ + DEF_RST(9, 11, 4, 12), /* RIIC_3_MRST */ + DEF_RST(9, 12, 4, 13), /* RIIC_4_MRST */ + DEF_RST(9, 13, 4, 14), /* RIIC_5_MRST */ + DEF_RST(9, 14, 4, 15), /* RIIC_6_MRST */ + DEF_RST(9, 15, 4, 16), /* RIIC_7_MRST */ + DEF_RST(10, 0, 4, 17), /* RIIC_8_MRST */ + DEF_RST(10, 1, 4, 18), /* CANFD_0_RSTP_N */ + DEF_RST(10, 2, 4, 19), /* CANFD_0_RSTC_N */ + DEF_RST(10, 3, 4, 20), /* SPI_HRESETN */ + DEF_RST(10, 4, 4, 21), /* SPI_ARESETN */ + DEF_RST(10, 7, 4, 24), /* SDHI_0_IXRST */ + DEF_RST(10, 8, 4, 25), /* SDHI_1_IXRST */ + DEF_RST(10, 9, 4, 26), /* SDHI_2_IXRST */ + DEF_RST(10, 10, 4, 27), /* USB3_0_ARESETN */ + DEF_RST(10, 11, 4, 28), /* USB3_1_ARESETN */ + DEF_RST(10, 12, 4, 29), /* USB2_0_U2H0_HRESETN */ + DEF_RST(10, 13, 4, 30), /* USB2_0_U2H1_HRESETN */ + DEF_RST(10, 14, 4, 31), /* USB2_0_U2P_EXL_SYSRST */ + DEF_RST(10, 15, 5, 0), /* USB2_0_PRESETN */ + DEF_RST(11, 0, 5, 1), /* GBETH_0_ARESETN_I */ + DEF_RST(11, 1, 5, 2), /* GBETH_1_ARESETN_I */ + DEF_RST(11, 2, 5, 3), /* PCIE_0_ARESETN */ + DEF_RST(12, 5, 5, 22), /* CRU_0_PRESETN */ + DEF_RST(12, 6, 5, 23), /* CRU_0_ARESETN */ + DEF_RST(12, 7, 5, 24), /* CRU_0_S_RESETN */ + DEF_RST(12, 8, 5, 25), /* CRU_1_PRESETN */ + DEF_RST(12, 9, 5, 26), /* CRU_1_ARESETN */ + DEF_RST(12, 10, 5, 27), /* CRU_1_S_RESETN */ + DEF_RST(12, 11, 5, 28), /* CRU_2_PRESETN */ + DEF_RST(12, 12, 5, 29), /* CRU_2_ARESETN */ + DEF_RST(12, 13, 5, 30), /* CRU_2_S_RESETN */ + DEF_RST(12, 14, 5, 31), /* CRU_3_PRESETN */ + DEF_RST(12, 15, 6, 0), /* CRU_3_ARESETN */ + DEF_RST(13, 0, 6, 1), /* CRU_3_S_RESETN */ + DEF_RST(13, 1, 6, 2), /* ISP_0_VIN_ARESETN */ + DEF_RST(13, 2, 6, 3), /* ISP_0_REG_ARESETN */ + DEF_RST(13, 3, 6, 4), /* ISP_0_ISP_SRESETN */ + DEF_RST(13, 4, 6, 5), /* ISP_0_PRESETN */ + DEF_RST(13, 7, 6, 8), /* DSI_0_PRESETN */ + DEF_RST(13, 8, 6, 9), /* DSI_0_ARESETN */ + DEF_RST(13, 12, 6, 13), /* LCDC_0_RESET_N */ + DEF_RST(13, 13, 6, 14), /* GPU_0_RESETN */ + DEF_RST(13, 14, 6, 15), /* GPU_0_AXI_RESETN */ + DEF_RST(13, 15, 6, 16), /* GPU_0_ACE_RESETN */ + DEF_RST(15, 7, 7, 8), /* TSU_0_PRESETN */ + DEF_RST(15, 8, 7, 9), /* TSU_1_PRESETN */ +}; + +const struct rzv2h_cpg_info r9a09g057_cpg_info __initconst = { + /* Core Clocks */ + .core_clks = r9a09g057_core_clks, + .num_core_clks = ARRAY_SIZE(r9a09g057_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r9a09g057_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a09g057_mod_clks), + .num_hw_mod_clks = 25 * 16, + + /* Resets */ + .resets = r9a09g057_resets, + .num_resets = ARRAY_SIZE(r9a09g057_resets), + + .num_mstop_bits = 192, +}; diff --git a/drivers/clk/renesas/r9a09g077-cpg.c b/drivers/clk/renesas/r9a09g077-cpg.c new file mode 100644 index 000000000..f777601a2 --- /dev/null +++ b/drivers/clk/renesas/r9a09g077-cpg.c @@ -0,0 +1,519 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r9a09g077 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2025 Renesas Electronics Corp. + * + */ + +#include <linux/bitfield.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/math.h> +#include <linux/types.h> + +#include <dt-bindings/clock/renesas,r9a09g077-cpg-mssr.h> +#include <dt-bindings/clock/renesas,r9a09g087-cpg-mssr.h> +#include "renesas-cpg-mssr.h" + +#define RZT2H_REG_BLOCK_SHIFT 11 +#define RZT2H_REG_OFFSET_MASK GENMASK(10, 0) +#define RZT2H_REG_CONF(block, offset) (((block) << RZT2H_REG_BLOCK_SHIFT) | \ + ((offset) & RZT2H_REG_OFFSET_MASK)) + +#define RZT2H_REG_BLOCK(x) ((x) >> RZT2H_REG_BLOCK_SHIFT) +#define RZT2H_REG_OFFSET(x) ((x) & RZT2H_REG_OFFSET_MASK) + +#define SCKCR RZT2H_REG_CONF(0, 0x00) +#define SCKCR2 RZT2H_REG_CONF(1, 0x04) +#define SCKCR3 RZT2H_REG_CONF(0, 0x08) + +#define OFFSET_MASK GENMASK(31, 20) +#define SHIFT_MASK GENMASK(19, 12) +#define WIDTH_MASK GENMASK(11, 8) + +#define CONF_PACK(offset, shift, width) \ + (FIELD_PREP_CONST(OFFSET_MASK, (offset)) | \ + FIELD_PREP_CONST(SHIFT_MASK, (shift)) | \ + FIELD_PREP_CONST(WIDTH_MASK, (width))) + +#define GET_SHIFT(val) FIELD_GET(SHIFT_MASK, val) +#define GET_WIDTH(val) FIELD_GET(WIDTH_MASK, val) +#define GET_REG_OFFSET(val) FIELD_GET(OFFSET_MASK, val) + +#define FSELXSPI0 CONF_PACK(SCKCR, 0, 3) +#define FSELXSPI1 CONF_PACK(SCKCR, 8, 3) +#define DIVSEL_XSPI0 CONF_PACK(SCKCR, 6, 1) +#define DIVSEL_XSPI1 CONF_PACK(SCKCR, 14, 1) +#define FSELCANFD CONF_PACK(SCKCR, 20, 1) +#define SEL_PLL CONF_PACK(SCKCR, 22, 1) + +#define DIVCA55C0 CONF_PACK(SCKCR2, 8, 1) +#define DIVCA55C1 CONF_PACK(SCKCR2, 9, 1) +#define DIVCA55C2 CONF_PACK(SCKCR2, 10, 1) +#define DIVCA55C3 CONF_PACK(SCKCR2, 11, 1) +#define DIVCA55S CONF_PACK(SCKCR2, 12, 1) +#define DIVSPI3ASYNC CONF_PACK(SCKCR2, 16, 2) +#define DIVSCI5ASYNC CONF_PACK(SCKCR2, 18, 2) + +#define DIVSPI0ASYNC CONF_PACK(SCKCR3, 0, 2) +#define DIVSPI1ASYNC CONF_PACK(SCKCR3, 2, 2) +#define DIVSPI2ASYNC CONF_PACK(SCKCR3, 4, 2) +#define DIVSCI0ASYNC CONF_PACK(SCKCR3, 6, 2) +#define DIVSCI1ASYNC CONF_PACK(SCKCR3, 8, 2) +#define DIVSCI2ASYNC CONF_PACK(SCKCR3, 10, 2) +#define DIVSCI3ASYNC CONF_PACK(SCKCR3, 12, 2) +#define DIVSCI4ASYNC CONF_PACK(SCKCR3, 14, 2) + +enum rzt2h_clk_types { + CLK_TYPE_RZT2H_DIV = CLK_TYPE_CUSTOM, /* Clock with divider */ + CLK_TYPE_RZT2H_MUX, /* Clock with clock source selector */ + CLK_TYPE_RZT2H_FSELXSPI, /* Clock with FSELXSPIn source selector */ +}; + +#define DEF_DIV(_name, _id, _parent, _conf, _dtable) \ + DEF_TYPE(_name, _id, CLK_TYPE_RZT2H_DIV, .conf = _conf, \ + .parent = _parent, .dtable = _dtable, .flag = 0) +#define DEF_MUX(_name, _id, _conf, _parent_names, _num_parents, _mux_flags) \ + DEF_TYPE(_name, _id, CLK_TYPE_RZT2H_MUX, .conf = _conf, \ + .parent_names = _parent_names, .num_parents = _num_parents, \ + .flag = CLK_SET_RATE_PARENT, .mux_flags = _mux_flags) +#define DEF_DIV_FSELXSPI(_name, _id, _parent, _conf, _dtable) \ + DEF_TYPE(_name, _id, CLK_TYPE_RZT2H_FSELXSPI, .conf = _conf, \ + .parent = _parent, .dtable = _dtable, .flag = 0) + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A09G077_PCLKCAN, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_LOCO, + CLK_PLL0, + CLK_PLL1, + CLK_PLL2, + CLK_PLL4, + CLK_SEL_CLK_PLL0, + CLK_SEL_CLK_PLL1, + CLK_SEL_CLK_PLL2, + CLK_SEL_CLK_PLL4, + CLK_PLL4D1, + CLK_PLL4D1_DIV3, + CLK_PLL4D1_DIV4, + CLK_PLL4D3, + CLK_PLL4D3_DIV10, + CLK_PLL4D3_DIV20, + CLK_SCI0ASYNC, + CLK_SCI1ASYNC, + CLK_SCI2ASYNC, + CLK_SCI3ASYNC, + CLK_SCI4ASYNC, + CLK_SCI5ASYNC, + CLK_SPI0ASYNC, + CLK_SPI1ASYNC, + CLK_SPI2ASYNC, + CLK_SPI3ASYNC, + CLK_DIVSELXSPI0_SCKCR, + CLK_DIVSELXSPI1_SCKCR, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +static const struct clk_div_table dtable_1_2[] = { + {0, 2}, + {1, 1}, + {0, 0}, +}; + +static const struct clk_div_table dtable_6_8_16_32_64[] = { + {6, 64}, + {5, 32}, + {4, 16}, + {3, 8}, + {2, 6}, + {0, 0}, +}; + +static const struct clk_div_table dtable_24_25_30_32[] = { + {0, 32}, + {1, 30}, + {2, 25}, + {3, 24}, + {0, 0}, +}; + +/* Mux clock tables */ + +static const char * const sel_clk_pll0[] = { ".loco", ".pll0" }; +static const char * const sel_clk_pll1[] = { ".loco", ".pll1" }; +static const char * const sel_clk_pll2[] = { ".loco", ".pll2" }; +static const char * const sel_clk_pll4[] = { ".loco", ".pll4" }; +static const char * const sel_clk_pll4d1_div3_div4[] = { ".pll4d1_div3", ".pll4d1_div4" }; +static const char * const sel_clk_pll4d3_div10_div20[] = { ".pll4d3_div10", ".pll4d3_div20" }; + +static const struct cpg_core_clk r9a09g077_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_RATE(".loco", CLK_LOCO, 1000 * 1000), + DEF_FIXED(".pll0", CLK_PLL0, CLK_EXTAL, 1, 48), + DEF_FIXED(".pll1", CLK_PLL1, CLK_EXTAL, 1, 40), + DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 1, 32), + DEF_FIXED(".pll4", CLK_PLL4, CLK_EXTAL, 1, 96), + + DEF_MUX(".sel_clk_pll0", CLK_SEL_CLK_PLL0, SEL_PLL, + sel_clk_pll0, ARRAY_SIZE(sel_clk_pll0), CLK_MUX_READ_ONLY), + DEF_MUX(".sel_clk_pll1", CLK_SEL_CLK_PLL1, SEL_PLL, + sel_clk_pll1, ARRAY_SIZE(sel_clk_pll1), CLK_MUX_READ_ONLY), + DEF_MUX(".sel_clk_pll2", CLK_SEL_CLK_PLL2, SEL_PLL, + sel_clk_pll2, ARRAY_SIZE(sel_clk_pll2), CLK_MUX_READ_ONLY), + DEF_MUX(".sel_clk_pll4", CLK_SEL_CLK_PLL4, SEL_PLL, + sel_clk_pll4, ARRAY_SIZE(sel_clk_pll4), CLK_MUX_READ_ONLY), + + DEF_FIXED(".pll4d1", CLK_PLL4D1, CLK_SEL_CLK_PLL4, 1, 1), + DEF_FIXED(".pll4d1_div3", CLK_PLL4D1_DIV3, CLK_PLL4D1, 3, 1), + DEF_FIXED(".pll4d1_div4", CLK_PLL4D1_DIV4, CLK_PLL4D1, 4, 1), + DEF_FIXED(".pll4d3", CLK_PLL4D3, CLK_SEL_CLK_PLL4, 3, 1), + DEF_FIXED(".pll4d3_div10", CLK_PLL4D3_DIV10, CLK_PLL4D3, 10, 1), + DEF_FIXED(".pll4d3_div20", CLK_PLL4D3_DIV20, CLK_PLL4D3, 20, 1), + + DEF_DIV(".sci0async", CLK_SCI0ASYNC, CLK_PLL4D1, DIVSCI0ASYNC, + dtable_24_25_30_32), + DEF_DIV(".sci1async", CLK_SCI1ASYNC, CLK_PLL4D1, DIVSCI1ASYNC, + dtable_24_25_30_32), + DEF_DIV(".sci2async", CLK_SCI2ASYNC, CLK_PLL4D1, DIVSCI2ASYNC, + dtable_24_25_30_32), + DEF_DIV(".sci3async", CLK_SCI3ASYNC, CLK_PLL4D1, DIVSCI3ASYNC, + dtable_24_25_30_32), + DEF_DIV(".sci4async", CLK_SCI4ASYNC, CLK_PLL4D1, DIVSCI4ASYNC, + dtable_24_25_30_32), + DEF_DIV(".sci5async", CLK_SCI5ASYNC, CLK_PLL4D1, DIVSCI5ASYNC, + dtable_24_25_30_32), + + DEF_DIV(".spi0async", CLK_SPI0ASYNC, CLK_PLL4D1, DIVSPI0ASYNC, + dtable_24_25_30_32), + DEF_DIV(".spi1async", CLK_SPI1ASYNC, CLK_PLL4D1, DIVSPI1ASYNC, + dtable_24_25_30_32), + DEF_DIV(".spi2async", CLK_SPI2ASYNC, CLK_PLL4D1, DIVSPI2ASYNC, + dtable_24_25_30_32), + DEF_DIV(".spi3async", CLK_SPI3ASYNC, CLK_PLL4D1, DIVSPI3ASYNC, + dtable_24_25_30_32), + + DEF_MUX(".divselxspi0", CLK_DIVSELXSPI0_SCKCR, DIVSEL_XSPI0, + sel_clk_pll4d1_div3_div4, + ARRAY_SIZE(sel_clk_pll4d1_div3_div4), 0), + DEF_MUX(".divselxspi1", CLK_DIVSELXSPI1_SCKCR, DIVSEL_XSPI1, + sel_clk_pll4d1_div3_div4, + ARRAY_SIZE(sel_clk_pll4d1_div3_div4), 0), + + /* Core output clk */ + DEF_DIV("CA55C0", R9A09G077_CLK_CA55C0, CLK_SEL_CLK_PLL0, DIVCA55C0, + dtable_1_2), + DEF_DIV("CA55C1", R9A09G077_CLK_CA55C1, CLK_SEL_CLK_PLL0, DIVCA55C1, + dtable_1_2), + DEF_DIV("CA55C2", R9A09G077_CLK_CA55C2, CLK_SEL_CLK_PLL0, DIVCA55C2, + dtable_1_2), + DEF_DIV("CA55C3", R9A09G077_CLK_CA55C3, CLK_SEL_CLK_PLL0, DIVCA55C3, + dtable_1_2), + DEF_DIV("CA55S", R9A09G077_CLK_CA55S, CLK_SEL_CLK_PLL0, DIVCA55S, + dtable_1_2), + DEF_FIXED("PCLKGPTL", R9A09G077_CLK_PCLKGPTL, CLK_SEL_CLK_PLL1, 2, 1), + DEF_FIXED("PCLKH", R9A09G077_CLK_PCLKH, CLK_SEL_CLK_PLL1, 4, 1), + DEF_FIXED("PCLKM", R9A09G077_CLK_PCLKM, CLK_SEL_CLK_PLL1, 8, 1), + DEF_FIXED("PCLKL", R9A09G077_CLK_PCLKL, CLK_SEL_CLK_PLL1, 16, 1), + DEF_FIXED("PCLKAH", R9A09G077_CLK_PCLKAH, CLK_PLL4D1, 6, 1), + DEF_FIXED("PCLKAM", R9A09G077_CLK_PCLKAM, CLK_PLL4D1, 12, 1), + DEF_FIXED("SDHI_CLKHS", R9A09G077_SDHI_CLKHS, CLK_SEL_CLK_PLL2, 1, 1), + DEF_FIXED("USB_CLK", R9A09G077_USB_CLK, CLK_PLL4D1, 48, 1), + DEF_FIXED("ETCLKA", R9A09G077_ETCLKA, CLK_SEL_CLK_PLL1, 5, 1), + DEF_FIXED("ETCLKB", R9A09G077_ETCLKB, CLK_SEL_CLK_PLL1, 8, 1), + DEF_FIXED("ETCLKC", R9A09G077_ETCLKC, CLK_SEL_CLK_PLL1, 10, 1), + DEF_FIXED("ETCLKD", R9A09G077_ETCLKD, CLK_SEL_CLK_PLL1, 20, 1), + DEF_FIXED("ETCLKE", R9A09G077_ETCLKE, CLK_SEL_CLK_PLL1, 40, 1), + DEF_DIV_FSELXSPI("XSPI_CLK0", R9A09G077_XSPI_CLK0, CLK_DIVSELXSPI0_SCKCR, + FSELXSPI0, dtable_6_8_16_32_64), + DEF_DIV_FSELXSPI("XSPI_CLK1", R9A09G077_XSPI_CLK1, CLK_DIVSELXSPI1_SCKCR, + FSELXSPI1, dtable_6_8_16_32_64), + DEF_MUX("PCLKCAN", R9A09G077_PCLKCAN, FSELCANFD, + sel_clk_pll4d3_div10_div20, ARRAY_SIZE(sel_clk_pll4d3_div10_div20), 0), +}; + +static const struct mssr_mod_clk r9a09g077_mod_clks[] __initconst = { + DEF_MOD("xspi0", 4, R9A09G077_CLK_PCLKH), + DEF_MOD("xspi1", 5, R9A09G077_CLK_PCLKH), + DEF_MOD("sci0fck", 8, CLK_SCI0ASYNC), + DEF_MOD("sci1fck", 9, CLK_SCI1ASYNC), + DEF_MOD("sci2fck", 10, CLK_SCI2ASYNC), + DEF_MOD("sci3fck", 11, CLK_SCI3ASYNC), + DEF_MOD("sci4fck", 12, CLK_SCI4ASYNC), + DEF_MOD("iic0", 100, R9A09G077_CLK_PCLKL), + DEF_MOD("iic1", 101, R9A09G077_CLK_PCLKL), + DEF_MOD("spi0", 104, CLK_SPI0ASYNC), + DEF_MOD("spi1", 105, CLK_SPI1ASYNC), + DEF_MOD("spi2", 106, CLK_SPI2ASYNC), + DEF_MOD("mtu3", 200, R9A09G077_CLK_PCLKH), + DEF_MOD("adc0", 206, R9A09G077_CLK_PCLKH), + DEF_MOD("adc1", 207, R9A09G077_CLK_PCLKH), + DEF_MOD("adc2", 225, R9A09G077_CLK_PCLKM), + DEF_MOD("tsu", 307, R9A09G077_CLK_PCLKL), + DEF_MOD("canfd", 310, R9A09G077_CLK_PCLKM), + DEF_MOD("gmac0", 400, R9A09G077_CLK_PCLKM), + DEF_MOD("ethsw", 401, R9A09G077_CLK_PCLKM), + DEF_MOD("ethss", 403, R9A09G077_CLK_PCLKM), + DEF_MOD("usb", 408, R9A09G077_CLK_PCLKAM), + DEF_MOD("gmac1", 416, R9A09G077_CLK_PCLKAM), + DEF_MOD("gmac2", 417, R9A09G077_CLK_PCLKAM), + DEF_MOD("sci5fck", 600, CLK_SCI5ASYNC), + DEF_MOD("iic2", 601, R9A09G077_CLK_PCLKL), + DEF_MOD("spi3", 602, CLK_SPI3ASYNC), + DEF_MOD("sdhi0", 1212, R9A09G077_CLK_PCLKAM), + DEF_MOD("sdhi1", 1213, R9A09G077_CLK_PCLKAM), +}; + +static struct clk * __init +r9a09g077_cpg_div_clk_register(struct device *dev, + const struct cpg_core_clk *core, + void __iomem *addr, struct cpg_mssr_pub *pub) +{ + const struct clk *parent; + const char *parent_name; + struct clk_hw *clk_hw; + + parent = pub->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + parent_name = __clk_get_name(parent); + + if (core->dtable) + clk_hw = devm_clk_hw_register_divider_table(dev, core->name, + parent_name, + CLK_SET_RATE_PARENT, + addr, + GET_SHIFT(core->conf), + GET_WIDTH(core->conf), + core->flag, + core->dtable, + &pub->rmw_lock); + else + clk_hw = devm_clk_hw_register_divider(dev, core->name, + parent_name, + CLK_SET_RATE_PARENT, + addr, + GET_SHIFT(core->conf), + GET_WIDTH(core->conf), + core->flag, &pub->rmw_lock); + + if (IS_ERR(clk_hw)) + return ERR_CAST(clk_hw); + + return clk_hw->clk; +} + +static struct clk * __init +r9a09g077_cpg_mux_clk_register(struct device *dev, + const struct cpg_core_clk *core, + void __iomem *addr, struct cpg_mssr_pub *pub) +{ + struct clk_hw *clk_hw; + + clk_hw = devm_clk_hw_register_mux(dev, core->name, + core->parent_names, core->num_parents, + core->flag, + addr, + GET_SHIFT(core->conf), + GET_WIDTH(core->conf), + core->mux_flags, &pub->rmw_lock); + if (IS_ERR(clk_hw)) + return ERR_CAST(clk_hw); + + return clk_hw->clk; +} + +static unsigned int r9a09g077_cpg_fselxspi_get_divider(struct clk_hw *hw, unsigned long rate, + unsigned int num_parents) +{ + struct clk_fixed_factor *ff; + struct clk_hw *parent_hw; + unsigned long best_rate; + unsigned int i; + + for (i = 0; i < num_parents; i++) { + parent_hw = clk_hw_get_parent_by_index(hw, i); + best_rate = clk_hw_round_rate(parent_hw, rate); + + if (best_rate == rate) { + ff = to_clk_fixed_factor(parent_hw); + return ff->div; + } + } + + /* No parent could provide the exact rate - this should not happen */ + return 0; +} + +static int r9a09g077_cpg_fselxspi_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct clk_divider *divider = to_clk_divider(hw); + unsigned long parent_rate, best = 0, now; + const struct clk_div_table *clkt; + unsigned long rate = req->rate; + unsigned int num_parents; + unsigned int divselxspi; + unsigned int div = 0; + + if (!rate) + rate = 1; + + /* Get the number of parents for FSELXSPIn */ + num_parents = clk_hw_get_num_parents(req->best_parent_hw); + + for (clkt = divider->table; clkt->div; clkt++) { + parent_rate = clk_hw_round_rate(req->best_parent_hw, rate * clkt->div); + /* Skip if parent can't provide any valid rate */ + if (!parent_rate) + continue; + + /* Determine which DIVSELXSPIn divider (3 or 4) provides this parent_rate */ + divselxspi = r9a09g077_cpg_fselxspi_get_divider(req->best_parent_hw, parent_rate, + num_parents); + if (!divselxspi) + continue; + + /* + * DIVSELXSPIx supports 800MHz and 600MHz operation. + * When divselxspi is 4 (600MHz operation), only FSELXSPIn dividers of 8 and 16 + * are supported. Otherwise, when divselxspi is 3 (800MHz operation), + * dividers of 6, 8, 16, 32, and 64 are supported. This check ensures that + * FSELXSPIx is set correctly based on hardware limitations. + */ + if (divselxspi == 4 && (clkt->div != 8 && clkt->div != 16)) + continue; + + now = DIV_ROUND_UP_ULL(parent_rate, clkt->div); + if (abs(rate - now) < abs(rate - best)) { + div = clkt->div; + best = now; + req->best_parent_rate = parent_rate; + } + } + + if (!div) { + req->best_parent_rate = clk_hw_round_rate(req->best_parent_hw, 1); + divselxspi = r9a09g077_cpg_fselxspi_get_divider(req->best_parent_hw, + req->best_parent_rate, + num_parents); + /* default to divider 3 which will result DIVSELXSPIn = 800 MHz */ + if (!divselxspi) + divselxspi = 3; + + /* + * Use the maximum divider based on the parent clock rate: + * - 64 when DIVSELXSPIx is 800 MHz (divider = 3) + * - 16 when DIVSELXSPIx is 600 MHz (divider = 4) + */ + div = divselxspi == 3 ? 64 : 16; + } + + req->rate = DIV_ROUND_UP_ULL(req->best_parent_rate, div); + + return 0; +} + +static struct clk * __init +r9a09g077_cpg_fselxspi_div_clk_register(struct device *dev, + const struct cpg_core_clk *core, + void __iomem *addr, + struct cpg_mssr_pub *pub) +{ + static struct clk_ops *xspi_div_ops; + struct clk_init_data init = {}; + const struct clk *parent; + const char *parent_name; + struct clk_divider *div; + struct clk_hw *hw; + int ret; + + parent = pub->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + div = devm_kzalloc(dev, sizeof(*div), GFP_KERNEL); + if (!div) + return ERR_PTR(-ENOMEM); + + if (!xspi_div_ops) { + xspi_div_ops = devm_kzalloc(dev, sizeof(*xspi_div_ops), GFP_KERNEL); + if (!xspi_div_ops) + return ERR_PTR(-ENOMEM); + memcpy(xspi_div_ops, &clk_divider_ops, + sizeof(const struct clk_ops)); + xspi_div_ops->determine_rate = r9a09g077_cpg_fselxspi_determine_rate; + } + + parent_name = __clk_get_name(parent); + init.name = core->name; + init.ops = xspi_div_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = &parent_name; + init.num_parents = 1; + + div->reg = addr; + div->shift = GET_SHIFT(core->conf); + div->width = GET_WIDTH(core->conf); + div->flags = core->flag; + div->lock = &pub->rmw_lock; + div->hw.init = &init; + div->table = core->dtable; + + hw = &div->hw; + ret = devm_clk_hw_register(dev, hw); + if (ret) + return ERR_PTR(ret); + + return hw->clk; +} + +static struct clk * __init +r9a09g077_cpg_clk_register(struct device *dev, const struct cpg_core_clk *core, + const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub) +{ + u32 offset = GET_REG_OFFSET(core->conf); + void __iomem *base = RZT2H_REG_BLOCK(offset) ? pub->base1 : pub->base0; + void __iomem *addr = base + RZT2H_REG_OFFSET(offset); + + switch (core->type) { + case CLK_TYPE_RZT2H_DIV: + return r9a09g077_cpg_div_clk_register(dev, core, addr, pub); + case CLK_TYPE_RZT2H_MUX: + return r9a09g077_cpg_mux_clk_register(dev, core, addr, pub); + case CLK_TYPE_RZT2H_FSELXSPI: + return r9a09g077_cpg_fselxspi_div_clk_register(dev, core, addr, pub); + default: + return ERR_PTR(-EINVAL); + } +} + +const struct cpg_mssr_info r9a09g077_cpg_mssr_info = { + /* Core Clocks */ + .core_clks = r9a09g077_core_clks, + .num_core_clks = ARRAY_SIZE(r9a09g077_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r9a09g077_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a09g077_mod_clks), + .num_hw_mod_clks = 14 * 32, + + .reg_layout = CLK_REG_LAYOUT_RZ_T2H, + .cpg_clk_register = r9a09g077_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/rcar-cpg-lib.c b/drivers/clk/renesas/rcar-cpg-lib.c new file mode 100644 index 000000000..fc73aa685 --- /dev/null +++ b/drivers/clk/renesas/rcar-cpg-lib.c @@ -0,0 +1,208 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * R-Car Gen3 Clock Pulse Generator Library + * + * Copyright (C) 2015-2018 Glider bvba + * Copyright (C) 2019 Renesas Electronics Corp. + * + * Based on clk-rcar-gen3.c + * + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/pm.h> +#include <linux/slab.h> +#include <linux/sys_soc.h> + +#include "rcar-cpg-lib.h" + +DEFINE_SPINLOCK(cpg_lock); + +void cpg_reg_modify(void __iomem *reg, u32 clear, u32 set) +{ + unsigned long flags; + u32 val; + + spin_lock_irqsave(&cpg_lock, flags); + val = readl(reg); + val &= ~clear; + val |= set; + writel(val, reg); + spin_unlock_irqrestore(&cpg_lock, flags); +} + +static int cpg_simple_notifier_call(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct cpg_simple_notifier *csn = + container_of(nb, struct cpg_simple_notifier, nb); + + switch (action) { + case PM_EVENT_SUSPEND: + csn->saved = readl(csn->reg); + return NOTIFY_OK; + + case PM_EVENT_RESUME: + writel(csn->saved, csn->reg); + return NOTIFY_OK; + } + return NOTIFY_DONE; +} + +void cpg_simple_notifier_register(struct raw_notifier_head *notifiers, + struct cpg_simple_notifier *csn) +{ + csn->nb.notifier_call = cpg_simple_notifier_call; + raw_notifier_chain_register(notifiers, &csn->nb); +} + +/* + * SDn Clock + */ + +#define SDnSRCFC_SHIFT 2 +#define STPnHCK BIT(9 - SDnSRCFC_SHIFT) + +static const struct clk_div_table cpg_sdh_div_table[] = { + /* + * These values are recommended by the datasheet. Because they come + * first, Linux will only use these. + */ + { 0, 1 }, { 1, 2 }, { STPnHCK | 2, 4 }, { STPnHCK | 3, 8 }, + { STPnHCK | 4, 16 }, + /* + * These values are not recommended because STPnHCK is wrong. But they + * have been seen because of broken firmware. So, we support reading + * them but Linux will sanitize them when initializing through + * recalc_rate. + */ + { STPnHCK | 0, 1 }, { STPnHCK | 1, 2 }, { 2, 4 }, { 3, 8 }, { 4, 16 }, + /* Sentinel */ + { 0, 0 } +}; + +struct clk * __init cpg_sdh_clk_register(const char *name, + void __iomem *sdnckcr, const char *parent_name, + struct raw_notifier_head *notifiers) +{ + struct cpg_simple_notifier *csn; + struct clk *clk; + + csn = kzalloc_obj(*csn); + if (!csn) + return ERR_PTR(-ENOMEM); + + csn->reg = sdnckcr; + + clk = clk_register_divider_table(NULL, name, parent_name, 0, sdnckcr, + SDnSRCFC_SHIFT, 8, 0, cpg_sdh_div_table, + &cpg_lock); + if (IS_ERR(clk)) { + kfree(csn); + return clk; + } + + cpg_simple_notifier_register(notifiers, csn); + return clk; +} + +static const struct clk_div_table cpg_sd_div_table[] = { + { 0, 2 }, { 1, 4 }, { 0, 0 }, +}; + +struct clk * __init cpg_sd_clk_register(const char *name, + void __iomem *sdnckcr, const char *parent_name) +{ + return clk_register_divider_table(NULL, name, parent_name, 0, sdnckcr, + 0, 2, 0, cpg_sd_div_table, &cpg_lock); +} + +struct rpc_clock { + struct clk_divider div; + struct clk_gate gate; + /* + * One notifier covers both RPC and RPCD2 clocks as they are both + * controlled by the same RPCCKCR register... + */ + struct cpg_simple_notifier csn; +}; + +static const struct clk_div_table cpg_rpc_div_table[] = { + { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 }, { 0, 0 }, +}; + +struct clk * __init cpg_rpc_clk_register(const char *name, + void __iomem *rpcckcr, const char *parent_name, + struct raw_notifier_head *notifiers) +{ + struct rpc_clock *rpc; + struct clk *clk; + + rpc = kzalloc_obj(*rpc); + if (!rpc) + return ERR_PTR(-ENOMEM); + + rpc->div.reg = rpcckcr; + rpc->div.width = 3; + rpc->div.table = cpg_rpc_div_table; + rpc->div.lock = &cpg_lock; + + rpc->gate.reg = rpcckcr; + rpc->gate.bit_idx = 8; + rpc->gate.flags = CLK_GATE_SET_TO_DISABLE; + rpc->gate.lock = &cpg_lock; + + rpc->csn.reg = rpcckcr; + + clk = clk_register_composite(NULL, name, &parent_name, 1, NULL, NULL, + &rpc->div.hw, &clk_divider_ops, + &rpc->gate.hw, &clk_gate_ops, + CLK_SET_RATE_PARENT); + if (IS_ERR(clk)) { + kfree(rpc); + return clk; + } + + cpg_simple_notifier_register(notifiers, &rpc->csn); + return clk; +} + +struct rpcd2_clock { + struct clk_fixed_factor fixed; + struct clk_gate gate; +}; + +struct clk * __init cpg_rpcd2_clk_register(const char *name, + void __iomem *rpcckcr, + const char *parent_name) +{ + struct rpcd2_clock *rpcd2; + struct clk *clk; + + rpcd2 = kzalloc_obj(*rpcd2); + if (!rpcd2) + return ERR_PTR(-ENOMEM); + + rpcd2->fixed.mult = 1; + rpcd2->fixed.div = 2; + + rpcd2->gate.reg = rpcckcr; + rpcd2->gate.bit_idx = 9; + rpcd2->gate.flags = CLK_GATE_SET_TO_DISABLE; + rpcd2->gate.lock = &cpg_lock; + + clk = clk_register_composite(NULL, name, &parent_name, 1, NULL, NULL, + &rpcd2->fixed.hw, &clk_fixed_factor_ops, + &rpcd2->gate.hw, &clk_gate_ops, + CLK_SET_RATE_PARENT); + if (IS_ERR(clk)) + kfree(rpcd2); + + return clk; +} diff --git a/drivers/clk/renesas/rcar-cpg-lib.h b/drivers/clk/renesas/rcar-cpg-lib.h new file mode 100644 index 000000000..94627df1c --- /dev/null +++ b/drivers/clk/renesas/rcar-cpg-lib.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * R-Car Gen3 Clock Pulse Generator Library + * + * Copyright (C) 2015-2018 Glider bvba + * Copyright (C) 2019 Renesas Electronics Corp. + * + * Based on clk-rcar-gen3.c + * + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#ifndef __CLK_RENESAS_RCAR_CPG_LIB_H__ +#define __CLK_RENESAS_RCAR_CPG_LIB_H__ + +extern spinlock_t cpg_lock; + +struct cpg_simple_notifier { + struct notifier_block nb; + void __iomem *reg; + u32 saved; +}; + +void cpg_simple_notifier_register(struct raw_notifier_head *notifiers, + struct cpg_simple_notifier *csn); + +void cpg_reg_modify(void __iomem *reg, u32 clear, u32 set); + +struct clk * __init cpg_sdh_clk_register(const char *name, + void __iomem *sdnckcr, const char *parent_name, + struct raw_notifier_head *notifiers); + +struct clk * __init cpg_sd_clk_register(const char *name, + void __iomem *sdnckcr, const char *parent_name); + +struct clk * __init cpg_rpc_clk_register(const char *name, + void __iomem *rpcckcr, const char *parent_name, + struct raw_notifier_head *notifiers); + +struct clk * __init cpg_rpcd2_clk_register(const char *name, + void __iomem *rpcckcr, + const char *parent_name); +#endif diff --git a/drivers/clk/renesas/rcar-gen2-cpg.c b/drivers/clk/renesas/rcar-gen2-cpg.c new file mode 100644 index 000000000..484b27edf --- /dev/null +++ b/drivers/clk/renesas/rcar-gen2-cpg.c @@ -0,0 +1,392 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * R-Car Gen2 Clock Pulse Generator + * + * Copyright (C) 2016 Cogent Embedded Inc. + */ + +#include <linux/bug.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/slab.h> +#include <linux/sys_soc.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen2-cpg.h" + +#define CPG_FRQCRB 0x0004 +#define CPG_FRQCRB_KICK BIT(31) +#define CPG_SDCKCR 0x0074 +#define CPG_PLL0CR 0x00d8 +#define CPG_PLL0CR_STC_SHIFT 24 +#define CPG_PLL0CR_STC_MASK (0x7f << CPG_PLL0CR_STC_SHIFT) +#define CPG_FRQCRC 0x00e0 +#define CPG_FRQCRC_ZFC_SHIFT 8 +#define CPG_FRQCRC_ZFC_MASK (0x1f << CPG_FRQCRC_ZFC_SHIFT) +#define CPG_ADSPCKCR 0x025c +#define CPG_RCANCKCR 0x0270 + +static DEFINE_SPINLOCK(cpg_lock); + +/* + * Z Clock + * + * Traits of this clock: + * prepare - clk_prepare only ensures that parents are prepared + * enable - clk_enable only ensures that parents are enabled + * rate - rate is adjustable. clk->rate = parent->rate * mult / 32 + * parent - fixed parent. No clk_set_parent support + */ + +struct cpg_z_clk { + struct clk_hw hw; + void __iomem *reg; + void __iomem *kick_reg; +}; + +#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw) + +static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + unsigned int val; + + val = (readl(zclk->reg) & CPG_FRQCRC_ZFC_MASK) >> CPG_FRQCRC_ZFC_SHIFT; + mult = 32 - val; + + return div_u64((u64)parent_rate * mult, 32); +} + +static int cpg_z_clk_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + unsigned long prate = req->best_parent_rate; + unsigned int min_mult, max_mult, mult; + + min_mult = max(div64_ul(req->min_rate * 32ULL, prate), 1ULL); + max_mult = min(div64_ul(req->max_rate * 32ULL, prate), 32ULL); + if (max_mult < min_mult) + return -EINVAL; + + mult = div64_ul(req->rate * 32ULL, prate); + mult = clamp(mult, min_mult, max_mult); + + req->rate = div_u64((u64)prate * mult, 32); + return 0; +} + +static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + u32 val, kick; + unsigned int i; + + mult = div64_ul(rate * 32ULL, parent_rate); + mult = clamp(mult, 1U, 32U); + + if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK) + return -EBUSY; + + val = readl(zclk->reg); + val &= ~CPG_FRQCRC_ZFC_MASK; + val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT; + writel(val, zclk->reg); + + /* + * Set KICK bit in FRQCRB to update hardware setting and wait for + * clock change completion. + */ + kick = readl(zclk->kick_reg); + kick |= CPG_FRQCRB_KICK; + writel(kick, zclk->kick_reg); + + /* + * Note: There is no HW information about the worst case latency. + * + * Using experimental measurements, it seems that no more than + * ~10 iterations are needed, independently of the CPU rate. + * Since this value might be dependent on external xtal rate, pll1 + * rate or even the other emulation clocks rate, use 1000 as a + * "super" safe value. + */ + for (i = 1000; i; i--) { + if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) + return 0; + + cpu_relax(); + } + + return -ETIMEDOUT; +} + +static const struct clk_ops cpg_z_clk_ops = { + .recalc_rate = cpg_z_clk_recalc_rate, + .determine_rate = cpg_z_clk_determine_rate, + .set_rate = cpg_z_clk_set_rate, +}; + +static struct clk * __init cpg_z_clk_register(const char *name, + const char *parent_name, + void __iomem *base) +{ + struct clk_init_data init = {}; + struct cpg_z_clk *zclk; + struct clk *clk; + + zclk = kzalloc_obj(*zclk); + if (!zclk) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &cpg_z_clk_ops; + init.parent_names = &parent_name; + init.num_parents = 1; + + zclk->reg = base + CPG_FRQCRC; + zclk->kick_reg = base + CPG_FRQCRB; + zclk->hw.init = &init; + + clk = clk_register(NULL, &zclk->hw); + if (IS_ERR(clk)) + kfree(zclk); + + return clk; +} + +static struct clk * __init cpg_rcan_clk_register(const char *name, + const char *parent_name, + void __iomem *base) +{ + struct clk_fixed_factor *fixed; + struct clk_gate *gate; + struct clk *clk; + + fixed = kzalloc_obj(*fixed); + if (!fixed) + return ERR_PTR(-ENOMEM); + + fixed->mult = 1; + fixed->div = 6; + + gate = kzalloc_obj(*gate); + if (!gate) { + kfree(fixed); + return ERR_PTR(-ENOMEM); + } + + gate->reg = base + CPG_RCANCKCR; + gate->bit_idx = 8; + gate->flags = CLK_GATE_SET_TO_DISABLE; + gate->lock = &cpg_lock; + + clk = clk_register_composite(NULL, name, &parent_name, 1, NULL, NULL, + &fixed->hw, &clk_fixed_factor_ops, + &gate->hw, &clk_gate_ops, 0); + if (IS_ERR(clk)) { + kfree(gate); + kfree(fixed); + } + + return clk; +} + +/* ADSP divisors */ +static const struct clk_div_table cpg_adsp_div_table[] = { + { 1, 3 }, { 2, 4 }, { 3, 6 }, { 4, 8 }, + { 5, 12 }, { 6, 16 }, { 7, 18 }, { 8, 24 }, + { 10, 36 }, { 11, 48 }, { 0, 0 }, +}; + +static struct clk * __init cpg_adsp_clk_register(const char *name, + const char *parent_name, + void __iomem *base) +{ + struct clk_divider *div; + struct clk_gate *gate; + struct clk *clk; + + div = kzalloc_obj(*div); + if (!div) + return ERR_PTR(-ENOMEM); + + div->reg = base + CPG_ADSPCKCR; + div->width = 4; + div->table = cpg_adsp_div_table; + div->lock = &cpg_lock; + + gate = kzalloc_obj(*gate); + if (!gate) { + kfree(div); + return ERR_PTR(-ENOMEM); + } + + gate->reg = base + CPG_ADSPCKCR; + gate->bit_idx = 8; + gate->flags = CLK_GATE_SET_TO_DISABLE; + gate->lock = &cpg_lock; + + clk = clk_register_composite(NULL, name, &parent_name, 1, NULL, NULL, + &div->hw, &clk_divider_ops, + &gate->hw, &clk_gate_ops, 0); + if (IS_ERR(clk)) { + kfree(gate); + kfree(div); + } + + return clk; +} + +/* SDHI divisors */ +static const struct clk_div_table cpg_sdh_div_table[] = { + { 0, 2 }, { 1, 3 }, { 2, 4 }, { 3, 6 }, + { 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 }, + { 8, 24 }, { 10, 36 }, { 11, 48 }, { 0, 0 }, +}; + +static const struct clk_div_table cpg_sd01_div_table[] = { + { 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 }, + { 8, 24 }, { 10, 36 }, { 11, 48 }, { 12, 10 }, + { 0, 0 }, +}; + +static const struct rcar_gen2_cpg_pll_config *cpg_pll_config __initdata; +static unsigned int cpg_pll0_div __initdata; +static u32 cpg_mode __initdata; +static u32 cpg_quirks __initdata; + +#define SD_SKIP_FIRST BIT(0) /* Skip first clock in SD table */ + +static const struct soc_device_attribute cpg_quirks_match[] __initconst = { + { + .soc_id = "r8a77470", + .data = (void *)SD_SKIP_FIRST, + }, + { /* sentinel */ } +}; + +struct clk * __init rcar_gen2_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub) +{ + const struct clk_div_table *table = NULL; + void __iomem *base = pub->base0; + struct clk **clks = pub->clks; + const struct clk *parent; + const char *parent_name; + unsigned int mult = 1; + unsigned int div = 1; + unsigned int shift; + + parent = clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + parent_name = __clk_get_name(parent); + + switch (core->type) { + /* R-Car Gen2 */ + case CLK_TYPE_GEN2_MAIN: + div = cpg_pll_config->extal_div; + break; + + case CLK_TYPE_GEN2_PLL0: + /* + * PLL0 is a configurable multiplier clock except on R-Car + * V2H/E2. Register the PLL0 clock as a fixed factor clock for + * now as there's no generic multiplier clock implementation and + * we currently have no need to change the multiplier value. + */ + mult = cpg_pll_config->pll0_mult; + div = cpg_pll0_div; + if (!mult) { + u32 pll0cr = readl(base + CPG_PLL0CR); + + mult = (((pll0cr & CPG_PLL0CR_STC_MASK) >> + CPG_PLL0CR_STC_SHIFT) + 1) * 2; + } + break; + + case CLK_TYPE_GEN2_PLL1: + mult = cpg_pll_config->pll1_mult / 2; + break; + + case CLK_TYPE_GEN2_PLL3: + mult = cpg_pll_config->pll3_mult; + break; + + case CLK_TYPE_GEN2_Z: + return cpg_z_clk_register(core->name, parent_name, base); + + case CLK_TYPE_GEN2_LB: + div = cpg_mode & BIT(18) ? 36 : 24; + break; + + case CLK_TYPE_GEN2_ADSP: + return cpg_adsp_clk_register(core->name, parent_name, base); + + case CLK_TYPE_GEN2_SDH: + table = cpg_sdh_div_table; + shift = 8; + break; + + case CLK_TYPE_GEN2_SD0: + table = cpg_sd01_div_table; + if (cpg_quirks & SD_SKIP_FIRST) + table++; + + shift = 4; + break; + + case CLK_TYPE_GEN2_SD1: + table = cpg_sd01_div_table; + if (cpg_quirks & SD_SKIP_FIRST) + table++; + + shift = 0; + break; + + case CLK_TYPE_GEN2_QSPI: + div = (cpg_mode & (BIT(3) | BIT(2) | BIT(1))) == BIT(2) ? + 8 : 10; + break; + + case CLK_TYPE_GEN2_RCAN: + return cpg_rcan_clk_register(core->name, parent_name, base); + + default: + return ERR_PTR(-EINVAL); + } + + if (!table) + return clk_register_fixed_factor(NULL, core->name, parent_name, + 0, mult, div); + else + return clk_register_divider_table(NULL, core->name, + parent_name, 0, + base + CPG_SDCKCR, shift, 4, + 0, table, &cpg_lock); +} + +int __init rcar_gen2_cpg_init(const struct rcar_gen2_cpg_pll_config *config, + unsigned int pll0_div, u32 mode) +{ + const struct soc_device_attribute *attr; + + cpg_pll_config = config; + cpg_pll0_div = pll0_div; + cpg_mode = mode; + attr = soc_device_match(cpg_quirks_match); + if (attr) + cpg_quirks = (uintptr_t)attr->data; + pr_debug("%s: mode = 0x%x quirks = 0x%x\n", __func__, mode, cpg_quirks); + + return 0; +} diff --git a/drivers/clk/renesas/rcar-gen2-cpg.h b/drivers/clk/renesas/rcar-gen2-cpg.h new file mode 100644 index 000000000..3d4b127fd --- /dev/null +++ b/drivers/clk/renesas/rcar-gen2-cpg.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * R-Car Gen2 Clock Pulse Generator + * + * Copyright (C) 2016 Cogent Embedded Inc. + */ + +#ifndef __CLK_RENESAS_RCAR_GEN2_CPG_H__ +#define __CLK_RENESAS_RCAR_GEN2_CPG_H__ + +enum rcar_gen2_clk_types { + CLK_TYPE_GEN2_MAIN = CLK_TYPE_CUSTOM, + CLK_TYPE_GEN2_PLL0, + CLK_TYPE_GEN2_PLL1, + CLK_TYPE_GEN2_PLL3, + CLK_TYPE_GEN2_Z, + CLK_TYPE_GEN2_LB, + CLK_TYPE_GEN2_ADSP, + CLK_TYPE_GEN2_SDH, + CLK_TYPE_GEN2_SD0, + CLK_TYPE_GEN2_SD1, + CLK_TYPE_GEN2_QSPI, + CLK_TYPE_GEN2_RCAN, +}; + +struct rcar_gen2_cpg_pll_config { + u8 extal_div; + u8 pll1_mult; + u8 pll3_mult; + u8 pll0_mult; /* leave as zero if PLL0CR exists */ +}; + +struct clk *rcar_gen2_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub); +int rcar_gen2_cpg_init(const struct rcar_gen2_cpg_pll_config *config, + unsigned int pll0_div, u32 mode); + +#endif diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c new file mode 100644 index 000000000..e5b503332 --- /dev/null +++ b/drivers/clk/renesas/rcar-gen3-cpg.c @@ -0,0 +1,551 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * R-Car Gen3 Clock Pulse Generator + * + * Copyright (C) 2015-2018 Glider bvba + * Copyright (C) 2019 Renesas Electronics Corp. + * + * Based on clk-rcar-gen3.c + * + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/bug.h> +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/pm.h> +#include <linux/slab.h> +#include <linux/sys_soc.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-cpg-lib.h" +#include "rcar-gen3-cpg.h" + +#define CPG_PLLECR 0x00d0 /* PLL Enable Control Register */ + +#define CPG_PLLECR_PLLST(n) BIT(8 + (n)) /* PLLn Circuit Status */ + +#define CPG_PLL0CR 0x00d8 /* PLLn Control Registers */ +#define CPG_PLL2CR 0x002c +#define CPG_PLL4CR 0x01f4 + +#define CPG_PLLnCR_STC_MASK GENMASK(30, 24) /* PLL Circuit Mult. Ratio */ + +#define CPG_RCKCR_CKSEL BIT(15) /* RCLK Clock Source Select */ + +/* PLL Clocks */ +struct cpg_pll_clk { + struct clk_hw hw; + void __iomem *pllcr_reg; + void __iomem *pllecr_reg; + unsigned int fixed_mult; + u32 pllecr_pllst_mask; +}; + +#define to_pll_clk(_hw) container_of(_hw, struct cpg_pll_clk, hw) + +static unsigned long cpg_pll_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct cpg_pll_clk *pll_clk = to_pll_clk(hw); + unsigned int mult; + + mult = FIELD_GET(CPG_PLLnCR_STC_MASK, readl(pll_clk->pllcr_reg)) + 1; + + return parent_rate * mult * pll_clk->fixed_mult; +} + +static int cpg_pll_clk_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct cpg_pll_clk *pll_clk = to_pll_clk(hw); + unsigned int min_mult, max_mult, mult; + unsigned long prate; + + prate = req->best_parent_rate * pll_clk->fixed_mult; + min_mult = max(div64_ul(req->min_rate, prate), 1ULL); + max_mult = min(div64_ul(req->max_rate, prate), 128ULL); + if (max_mult < min_mult) + return -EINVAL; + + mult = DIV_ROUND_CLOSEST_ULL(req->rate, prate); + mult = clamp(mult, min_mult, max_mult); + + req->rate = prate * mult; + return 0; +} + +static int cpg_pll_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct cpg_pll_clk *pll_clk = to_pll_clk(hw); + unsigned int mult, i; + u32 val; + + mult = DIV_ROUND_CLOSEST_ULL(rate, parent_rate * pll_clk->fixed_mult); + mult = clamp(mult, 1U, 128U); + + val = readl(pll_clk->pllcr_reg); + val &= ~CPG_PLLnCR_STC_MASK; + val |= FIELD_PREP(CPG_PLLnCR_STC_MASK, mult - 1); + writel(val, pll_clk->pllcr_reg); + + for (i = 1000; i; i--) { + if (readl(pll_clk->pllecr_reg) & pll_clk->pllecr_pllst_mask) + return 0; + + cpu_relax(); + } + + return -ETIMEDOUT; +} + +static const struct clk_ops cpg_pll_clk_ops = { + .recalc_rate = cpg_pll_clk_recalc_rate, + .determine_rate = cpg_pll_clk_determine_rate, + .set_rate = cpg_pll_clk_set_rate, +}; + +static struct clk * __init cpg_pll_clk_register(const char *name, + const char *parent_name, + void __iomem *base, + unsigned int mult, + unsigned int offset, + unsigned int index) + +{ + struct cpg_pll_clk *pll_clk; + struct clk_init_data init = {}; + struct clk *clk; + + pll_clk = kzalloc_obj(*pll_clk); + if (!pll_clk) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &cpg_pll_clk_ops; + init.parent_names = &parent_name; + init.num_parents = 1; + + pll_clk->hw.init = &init; + pll_clk->pllcr_reg = base + offset; + pll_clk->pllecr_reg = base + CPG_PLLECR; + pll_clk->fixed_mult = mult; /* PLL refclk x (setting + 1) x mult */ + pll_clk->pllecr_pllst_mask = CPG_PLLECR_PLLST(index); + + clk = clk_register(NULL, &pll_clk->hw); + if (IS_ERR(clk)) + kfree(pll_clk); + + return clk; +} + +/* + * Z Clock & Z2 Clock + * + * Traits of this clock: + * prepare - clk_prepare only ensures that parents are prepared + * enable - clk_enable only ensures that parents are enabled + * rate - rate is adjustable. + * clk->rate = (parent->rate * mult / 32 ) / fixed_div + * parent - fixed parent. No clk_set_parent support + */ +#define CPG_FRQCRB 0x00000004 +#define CPG_FRQCRB_KICK BIT(31) +#define CPG_FRQCRC 0x000000e0 + +struct cpg_z_clk { + struct clk_hw hw; + void __iomem *reg; + void __iomem *kick_reg; + unsigned long max_rate; /* Maximum rate for normal mode */ + unsigned int fixed_div; + u32 mask; +}; + +#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw) + +static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult = 32 - field_get(zclk->mask, readl(zclk->reg)); + + return DIV_ROUND_CLOSEST_ULL((u64)parent_rate * mult, + 32 * zclk->fixed_div); +} + +static int cpg_z_clk_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int min_mult, max_mult, mult; + unsigned long rate, prate; + + rate = min(req->rate, req->max_rate); + if (rate <= zclk->max_rate) { + /* Set parent rate to initial value for normal modes */ + prate = zclk->max_rate; + } else { + /* Set increased parent rate for boost modes */ + prate = rate; + } + req->best_parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), + prate * zclk->fixed_div); + + prate = req->best_parent_rate / zclk->fixed_div; + min_mult = max(div64_ul(req->min_rate * 32ULL, prate), 1ULL); + max_mult = min(div64_ul(req->max_rate * 32ULL, prate), 32ULL); + if (max_mult < min_mult) + return -EINVAL; + + mult = DIV_ROUND_CLOSEST_ULL(rate * 32ULL, prate); + mult = clamp(mult, min_mult, max_mult); + + req->rate = DIV_ROUND_CLOSEST_ULL((u64)prate * mult, 32); + return 0; +} + +static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + unsigned int i; + + mult = DIV64_U64_ROUND_CLOSEST(rate * 32ULL * zclk->fixed_div, + parent_rate); + mult = clamp(mult, 1U, 32U); + + if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK) + return -EBUSY; + + cpg_reg_modify(zclk->reg, zclk->mask, + field_prep(zclk->mask, 32 - mult)); + + /* + * Set KICK bit in FRQCRB to update hardware setting and wait for + * clock change completion. + */ + cpg_reg_modify(zclk->kick_reg, 0, CPG_FRQCRB_KICK); + + /* + * Note: There is no HW information about the worst case latency. + * + * Using experimental measurements, it seems that no more than + * ~10 iterations are needed, independently of the CPU rate. + * Since this value might be dependent on external xtal rate, pll1 + * rate or even the other emulation clocks rate, use 1000 as a + * "super" safe value. + */ + for (i = 1000; i; i--) { + if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) + return 0; + + cpu_relax(); + } + + return -ETIMEDOUT; +} + +static const struct clk_ops cpg_z_clk_ops = { + .recalc_rate = cpg_z_clk_recalc_rate, + .determine_rate = cpg_z_clk_determine_rate, + .set_rate = cpg_z_clk_set_rate, +}; + +static struct clk * __init __cpg_z_clk_register(const char *name, + const char *parent_name, + void __iomem *reg, + unsigned int div, + unsigned int offset, + unsigned int fcr, + unsigned int flags) +{ + struct clk_init_data init = {}; + struct cpg_z_clk *zclk; + struct clk *clk; + + zclk = kzalloc_obj(*zclk); + if (!zclk) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &cpg_z_clk_ops; + init.flags = flags; + init.parent_names = &parent_name; + init.num_parents = 1; + + zclk->reg = reg + fcr; + zclk->kick_reg = reg + CPG_FRQCRB; + zclk->hw.init = &init; + zclk->mask = GENMASK(offset + 4, offset); + zclk->fixed_div = div; /* PLLVCO x 1/div x SYS-CPU divider */ + + clk = clk_register(NULL, &zclk->hw); + if (IS_ERR(clk)) { + kfree(zclk); + return clk; + } + + zclk->max_rate = clk_hw_get_rate(clk_hw_get_parent(&zclk->hw)) / + zclk->fixed_div; + return clk; +} + +static struct clk * __init cpg_z_clk_register(const char *name, + const char *parent_name, + void __iomem *reg, + unsigned int div, + unsigned int offset) +{ + return __cpg_z_clk_register(name, parent_name, reg, div, offset, + CPG_FRQCRC, CLK_SET_RATE_PARENT); +} + +static struct clk * __init cpg_zg_clk_register(const char *name, + const char *parent_name, + void __iomem *reg, + unsigned int div, + unsigned int offset) +{ + return __cpg_z_clk_register(name, parent_name, reg, div, offset, + CPG_FRQCRB, 0); + +} + +static const struct clk_div_table cpg_rpcsrc_div_table[] = { + { 2, 5 }, { 3, 6 }, { 0, 0 }, +}; + +static const struct rcar_gen3_cpg_pll_config *cpg_pll_config __initdata; +static unsigned int cpg_clk_extalr __initdata; +static u32 cpg_mode __initdata; +static u32 cpg_quirks __initdata; + +#define RCKCR_CKSEL BIT(1) /* Manual RCLK parent selection */ + +static const struct soc_device_attribute cpg_quirks_match[] __initconst = { + { + .soc_id = "r8a7796", .revision = "ES1.0", + .data = (void *)(RCKCR_CKSEL), + }, + { /* sentinel */ } +}; + +struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub) +{ + struct raw_notifier_head *notifiers = &pub->notifiers; + void __iomem *base = pub->base0; + struct clk **clks = pub->clks; + const struct clk *parent; + unsigned int mult = 1; + unsigned int div = 1; + u32 value; + + parent = clks[core->parent & 0xffff]; /* some types use high bits */ + if (IS_ERR(parent)) + return ERR_CAST(parent); + + switch (core->type) { + case CLK_TYPE_GEN3_MAIN: + div = cpg_pll_config->extal_div; + break; + + case CLK_TYPE_GEN3_PLL0: + /* + * PLL0 is implemented as a custom clock, to change the + * multiplier when cpufreq changes between normal and boost + * modes. + */ + return cpg_pll_clk_register(core->name, __clk_get_name(parent), + base, 2, CPG_PLL0CR, 0); + + case CLK_TYPE_GEN3_PLL1: + mult = cpg_pll_config->pll1_mult; + div = cpg_pll_config->pll1_div; + break; + + case CLK_TYPE_GEN3_PLL2: + /* + * PLL2 is implemented as a custom clock, to change the + * multiplier when cpufreq changes between normal and boost + * modes. + */ + return cpg_pll_clk_register(core->name, __clk_get_name(parent), + base, 2, CPG_PLL2CR, 2); + + case CLK_TYPE_GEN3_PLL3: + mult = cpg_pll_config->pll3_mult; + div = cpg_pll_config->pll3_div; + break; + + case CLK_TYPE_GEN3_PLL4: + /* + * PLL4 is a configurable multiplier clock. Register it as a + * fixed factor clock for now as there's no generic multiplier + * clock implementation and we currently have no need to change + * the multiplier value. + */ + value = readl(base + CPG_PLL4CR); + mult = (((value >> 24) & 0x7f) + 1) * 2; + break; + + case CLK_TYPE_GEN3_SDH: + return cpg_sdh_clk_register(core->name, base + core->offset, + __clk_get_name(parent), notifiers); + + case CLK_TYPE_GEN3_SD: + return cpg_sd_clk_register(core->name, base + core->offset, + __clk_get_name(parent)); + + case CLK_TYPE_GEN3_R: + if (cpg_quirks & RCKCR_CKSEL) { + struct cpg_simple_notifier *csn; + + csn = kzalloc_obj(*csn); + if (!csn) + return ERR_PTR(-ENOMEM); + + csn->reg = base + CPG_RCKCR; + + /* + * RINT is default. + * Only if EXTALR is populated, we switch to it. + */ + value = readl(csn->reg) & 0x3f; + + if (clk_get_rate(clks[cpg_clk_extalr])) { + parent = clks[cpg_clk_extalr]; + value |= CPG_RCKCR_CKSEL; + } + + writel(value, csn->reg); + cpg_simple_notifier_register(notifiers, csn); + break; + } + + /* Select parent clock of RCLK by MD28 */ + if (cpg_mode & BIT(28)) + parent = clks[cpg_clk_extalr]; + break; + + case CLK_TYPE_GEN3_MDSEL: + /* + * Clock selectable between two parents and two fixed dividers + * using a mode pin + */ + if (cpg_mode & BIT(core->offset)) { + div = core->div & 0xffff; + } else { + parent = clks[core->parent >> 16]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + div = core->div >> 16; + } + mult = 1; + break; + + case CLK_TYPE_GEN3_Z: + return cpg_z_clk_register(core->name, __clk_get_name(parent), + base, core->div, core->offset); + + case CLK_TYPE_GEN3_ZG: + return cpg_zg_clk_register(core->name, __clk_get_name(parent), + base, core->div, core->offset); + + case CLK_TYPE_GEN3_OSC: + /* + * Clock combining OSC EXTAL predivider and a fixed divider + */ + div = cpg_pll_config->osc_prediv * core->div; + break; + + case CLK_TYPE_GEN3_RCKSEL: + /* + * Clock selectable between two parents and two fixed dividers + * using RCKCR.CKSEL + */ + if (readl(base + CPG_RCKCR) & CPG_RCKCR_CKSEL) { + div = core->div & 0xffff; + } else { + parent = clks[core->parent >> 16]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + div = core->div >> 16; + } + break; + + case CLK_TYPE_GEN3_RPCSRC: + return clk_register_divider_table(NULL, core->name, + __clk_get_name(parent), 0, + base + CPG_RPCCKCR, 3, 2, 0, + cpg_rpcsrc_div_table, + &cpg_lock); + + case CLK_TYPE_GEN3_E3_RPCSRC: + /* + * Register RPCSRC as fixed factor clock based on the + * MD[4:1] pins and CPG_RPCCKCR[4:3] register value for + * which has been set prior to booting the kernel. + */ + value = (readl(base + CPG_RPCCKCR) & GENMASK(4, 3)) >> 3; + + switch (value) { + case 0: + div = 5; + break; + case 1: + div = 3; + break; + case 2: + parent = clks[core->parent >> 16]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + div = core->div; + break; + case 3: + default: + div = 2; + break; + } + break; + + case CLK_TYPE_GEN3_RPC: + return cpg_rpc_clk_register(core->name, base + CPG_RPCCKCR, + __clk_get_name(parent), notifiers); + + case CLK_TYPE_GEN3_RPCD2: + return cpg_rpcd2_clk_register(core->name, base + CPG_RPCCKCR, + __clk_get_name(parent)); + + default: + return ERR_PTR(-EINVAL); + } + + return clk_register_fixed_factor(NULL, core->name, + __clk_get_name(parent), 0, mult, div); +} + +int __init rcar_gen3_cpg_init(const struct rcar_gen3_cpg_pll_config *config, + unsigned int clk_extalr, u32 mode) +{ + const struct soc_device_attribute *attr; + + cpg_pll_config = config; + cpg_clk_extalr = clk_extalr; + cpg_mode = mode; + attr = soc_device_match(cpg_quirks_match); + if (attr) + cpg_quirks = (uintptr_t)attr->data; + pr_debug("%s: mode = 0x%x quirks = 0x%x\n", __func__, mode, cpg_quirks); + + return 0; +} diff --git a/drivers/clk/renesas/rcar-gen3-cpg.h b/drivers/clk/renesas/rcar-gen3-cpg.h new file mode 100644 index 000000000..d15a5d1df --- /dev/null +++ b/drivers/clk/renesas/rcar-gen3-cpg.h @@ -0,0 +1,88 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * R-Car Gen3 Clock Pulse Generator + * + * Copyright (C) 2015-2018 Glider bvba + * Copyright (C) 2018 Renesas Electronics Corp. + * + */ + +#ifndef __CLK_RENESAS_RCAR_GEN3_CPG_H__ +#define __CLK_RENESAS_RCAR_GEN3_CPG_H__ + +enum rcar_gen3_clk_types { + CLK_TYPE_GEN3_MAIN = CLK_TYPE_CUSTOM, + CLK_TYPE_GEN3_PLL0, + CLK_TYPE_GEN3_PLL1, + CLK_TYPE_GEN3_PLL2, + CLK_TYPE_GEN3_PLL3, + CLK_TYPE_GEN3_PLL4, + CLK_TYPE_GEN3_SDH, + CLK_TYPE_GEN3_SD, + CLK_TYPE_GEN3_R, + CLK_TYPE_GEN3_MDSEL, /* Select parent/divider using mode pin */ + CLK_TYPE_GEN3_Z, + CLK_TYPE_GEN3_ZG, + CLK_TYPE_GEN3_OSC, /* OSC EXTAL predivider and fixed divider */ + CLK_TYPE_GEN3_RCKSEL, /* Select parent/divider using RCKCR.CKSEL */ + CLK_TYPE_GEN3_RPCSRC, + CLK_TYPE_GEN3_E3_RPCSRC,/* Select parent/divider using RPCCKCR.DIV */ + CLK_TYPE_GEN3_RPC, + CLK_TYPE_GEN3_RPCD2, + + /* SoC specific definitions start here */ + CLK_TYPE_GEN3_SOC_BASE, +}; + +#define DEF_GEN3_SDH(_name, _id, _parent, _offset) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_SDH, _parent, .offset = _offset) + +#define DEF_GEN3_SD(_name, _id, _parent, _offset) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset) + +#define DEF_GEN3_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_MDSEL, \ + (_parent0) << 16 | (_parent1), \ + .div = (_div0) << 16 | (_div1), .offset = _md) + +#define DEF_GEN3_PE(_name, _id, _parent_sscg, _div_sscg, _parent_clean, \ + _div_clean) \ + DEF_GEN3_MDSEL(_name, _id, 12, _parent_sscg, _div_sscg, \ + _parent_clean, _div_clean) + +#define DEF_GEN3_OSC(_name, _id, _parent, _div) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_OSC, _parent, .div = _div) + +#define DEF_GEN3_RCKSEL(_name, _id, _parent0, _div0, _parent1, _div1) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_RCKSEL, \ + (_parent0) << 16 | (_parent1), .div = (_div0) << 16 | (_div1)) + +#define DEF_GEN3_Z(_name, _id, _type, _parent, _div, _offset) \ + DEF_BASE(_name, _id, _type, _parent, .div = _div, .offset = _offset) + +#define DEF_FIXED_RPCSRC_E3(_name, _id, _parent0, _parent1) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_E3_RPCSRC, \ + (_parent0) << 16 | (_parent1), .div = 8) +#define DEF_FIXED_RPCSRC_D3(_name, _id, _parent0, _parent1) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_E3_RPCSRC, \ + (_parent0) << 16 | (_parent1), .div = 5) + +struct rcar_gen3_cpg_pll_config { + u8 extal_div; + u8 pll1_mult; + u8 pll1_div; + u8 pll3_mult; + u8 pll3_div; + u8 osc_prediv; +}; + +#define CPG_RPCCKCR 0x238 +#define CPG_RCKCR 0x240 + +struct clk *rcar_gen3_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub); +int rcar_gen3_cpg_init(const struct rcar_gen3_cpg_pll_config *config, + unsigned int clk_extalr, u32 mode); + +#endif diff --git a/drivers/clk/renesas/rcar-gen4-cpg.c b/drivers/clk/renesas/rcar-gen4-cpg.c new file mode 100644 index 000000000..96922789e --- /dev/null +++ b/drivers/clk/renesas/rcar-gen4-cpg.c @@ -0,0 +1,546 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * R-Car Gen4 Clock Pulse Generator + * + * Copyright (C) 2021 Renesas Electronics Corp. + * + * Based on rcar-gen3-cpg.c + * + * Copyright (C) 2015-2018 Glider bvba + * Copyright (C) 2019 Renesas Electronics Corp. + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/iopoll.h> +#include <linux/slab.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen4-cpg.h" +#include "rcar-cpg-lib.h" + +static const struct rcar_gen4_cpg_pll_config *cpg_pll_config __initdata; +static unsigned int cpg_clk_extalr __initdata; +static u32 cpg_mode __initdata; + +#define CPG_PLLECR 0x0820 /* PLL Enable Control Register */ + +#define CPG_PLLECR_PLLST(n) BIT(8 + ((n) < 3 ? (n) - 1 : \ + (n) > 3 ? (n) + 1 : n)) /* PLLn Circuit Status */ + +#define CPG_PLL1CR0 0x830 /* PLLn Control Registers */ +#define CPG_PLL1CR1 0x8b0 +#define CPG_PLL2CR0 0x834 +#define CPG_PLL2CR1 0x8b8 +#define CPG_PLL3CR0 0x83c +#define CPG_PLL3CR1 0x8c0 +#define CPG_PLL4CR0 0x844 +#define CPG_PLL4CR1 0x8c8 +#define CPG_PLL6CR0 0x84c +#define CPG_PLL6CR1 0x8d8 + +#define CPG_PLLxCR0_KICK BIT(31) +#define CPG_PLLxCR0_SSMODE GENMASK(18, 16) /* PLL mode */ +#define CPG_PLLxCR0_SSMODE_FM BIT(18) /* Fractional Multiplication */ +#define CPG_PLLxCR0_SSMODE_DITH BIT(17) /* Frequency Dithering */ +#define CPG_PLLxCR0_SSMODE_CENT BIT(16) /* Center (vs. Down) Spread Dithering */ +#define CPG_PLLxCR0_SSFREQ GENMASK(14, 8) /* SSCG Modulation Frequency */ +#define CPG_PLLxCR0_SSDEPT GENMASK(6, 0) /* SSCG Modulation Depth */ + +/* Fractional 8.25 PLL */ +#define CPG_PLLxCR0_NI8 GENMASK(27, 20) /* Integer mult. factor */ +#define CPG_PLLxCR1_NF25 GENMASK(24, 0) /* Fractional mult. factor */ + +/* Fractional 9.24 PLL */ +#define CPG_PLLxCR0_NI9 GENMASK(28, 20) /* Integer mult. factor */ +#define CPG_PLLxCR1_NF24 GENMASK(23, 0) /* Fractional mult. factor */ + +#define CPG_PLLxCR_STC GENMASK(30, 24) /* R_Car V3U PLLxCR */ + +#define CPG_RPCCKCR 0x874 /* RPC Clock Freq. Control Register */ + +#define CPG_SD0CKCR1 0x8a4 /* SD-IF0 Clock Freq. Control Reg. 1 */ + +#define CPG_SD0CKCR1_SDSRC_SEL GENMASK(30, 29) /* SDSRC clock freq. select */ + +/* PLL Clocks */ +struct cpg_pll_clk { + struct clk_hw hw; + void __iomem *pllcr0_reg; + void __iomem *pllcr1_reg; + void __iomem *pllecr_reg; + u32 pllecr_pllst_mask; +}; + +#define to_pll_clk(_hw) container_of(_hw, struct cpg_pll_clk, hw) + +static unsigned long cpg_pll_8_25_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct cpg_pll_clk *pll_clk = to_pll_clk(hw); + u32 cr0 = readl(pll_clk->pllcr0_reg); + unsigned int ni, nf; + unsigned long rate; + + ni = (FIELD_GET(CPG_PLLxCR0_NI8, cr0) + 1) * 2; + rate = parent_rate * ni; + if (cr0 & CPG_PLLxCR0_SSMODE_FM) { + nf = FIELD_GET(CPG_PLLxCR1_NF25, readl(pll_clk->pllcr1_reg)); + rate += mul_u64_u32_shr(parent_rate, nf, 24); + } + + return rate; +} + +static int cpg_pll_8_25_clk_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct cpg_pll_clk *pll_clk = to_pll_clk(hw); + unsigned int min_mult, max_mult, ni, nf; + u32 cr0 = readl(pll_clk->pllcr0_reg); + unsigned long prate; + + prate = req->best_parent_rate * 2; + min_mult = max(div64_ul(req->min_rate, prate), 1ULL); + max_mult = min(div64_ul(req->max_rate, prate), 256ULL); + if (max_mult < min_mult) + return -EINVAL; + + if (cr0 & CPG_PLLxCR0_SSMODE_FM) { + ni = div64_ul(req->rate, prate); + if (ni < min_mult) { + ni = min_mult; + nf = 0; + } else { + ni = min(ni, max_mult); + nf = div64_ul((u64)(req->rate - prate * ni) << 24, + req->best_parent_rate); + } + } else { + ni = DIV_ROUND_CLOSEST_ULL(req->rate, prate); + ni = clamp(ni, min_mult, max_mult); + nf = 0; + } + req->rate = prate * ni + mul_u64_u32_shr(req->best_parent_rate, nf, 24); + + return 0; +} + +static int cpg_pll_8_25_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct cpg_pll_clk *pll_clk = to_pll_clk(hw); + unsigned long prate = parent_rate * 2; + u32 cr0 = readl(pll_clk->pllcr0_reg); + unsigned int ni, nf; + u32 val; + + if (cr0 & CPG_PLLxCR0_SSMODE_FM) { + ni = div64_ul(rate, prate); + if (ni < 1) { + ni = 1; + nf = 0; + } else { + ni = min(ni, 256U); + nf = div64_ul((u64)(rate - prate * ni) << 24, + parent_rate); + } + } else { + ni = DIV_ROUND_CLOSEST_ULL(rate, prate); + ni = clamp(ni, 1U, 256U); + } + + if (readl(pll_clk->pllcr0_reg) & CPG_PLLxCR0_KICK) + return -EBUSY; + + cpg_reg_modify(pll_clk->pllcr0_reg, CPG_PLLxCR0_NI8, + FIELD_PREP(CPG_PLLxCR0_NI8, ni - 1)); + if (cr0 & CPG_PLLxCR0_SSMODE_FM) + cpg_reg_modify(pll_clk->pllcr1_reg, CPG_PLLxCR1_NF25, + FIELD_PREP(CPG_PLLxCR1_NF25, nf)); + + /* + * Set KICK bit in PLLxCR0 to update hardware setting and wait for + * clock change completion. + */ + cpg_reg_modify(pll_clk->pllcr0_reg, 0, CPG_PLLxCR0_KICK); + + /* + * Note: There is no HW information about the worst case latency. + * + * Using experimental measurements, it seems that no more than + * ~45 µs are needed, independently of the CPU rate. + * Since this value might be dependent on external xtal rate, pll + * rate or even the other emulation clocks rate, use 1000 as a + * "super" safe value. + */ + return readl_poll_timeout(pll_clk->pllecr_reg, val, + val & pll_clk->pllecr_pllst_mask, 0, 1000); +} + +static const struct clk_ops cpg_pll_f8_25_clk_ops = { + .recalc_rate = cpg_pll_8_25_clk_recalc_rate, +}; + +static const struct clk_ops cpg_pll_v8_25_clk_ops = { + .recalc_rate = cpg_pll_8_25_clk_recalc_rate, + .determine_rate = cpg_pll_8_25_clk_determine_rate, + .set_rate = cpg_pll_8_25_clk_set_rate, +}; + +static unsigned long cpg_pll_9_24_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct cpg_pll_clk *pll_clk = to_pll_clk(hw); + u32 cr0 = readl(pll_clk->pllcr0_reg); + unsigned int ni, nf; + unsigned long rate; + + ni = FIELD_GET(CPG_PLLxCR0_NI9, cr0) + 1; + rate = parent_rate * ni; + if (cr0 & CPG_PLLxCR0_SSMODE_FM) { + nf = FIELD_GET(CPG_PLLxCR1_NF24, readl(pll_clk->pllcr1_reg)); + rate += mul_u64_u32_shr(parent_rate, nf, 24); + } else { + rate *= 2; + } + + return rate; +} + +static const struct clk_ops cpg_pll_f9_24_clk_ops = { + .recalc_rate = cpg_pll_9_24_clk_recalc_rate, +}; + +static struct clk * __init cpg_pll_clk_register(const char *name, + const char *parent_name, + void __iomem *base, + unsigned int index, + const struct clk_ops *ops) +{ + static const struct { u16 cr0, cr1; } pll_cr_offsets[] __initconst = { + [1 - 1] = { CPG_PLL1CR0, CPG_PLL1CR1 }, + [2 - 1] = { CPG_PLL2CR0, CPG_PLL2CR1 }, + [3 - 1] = { CPG_PLL3CR0, CPG_PLL3CR1 }, + [4 - 1] = { CPG_PLL4CR0, CPG_PLL4CR1 }, + [6 - 1] = { CPG_PLL6CR0, CPG_PLL6CR1 }, + }; + struct clk_init_data init = {}; + struct cpg_pll_clk *pll_clk; + struct clk *clk; + + pll_clk = kzalloc_obj(*pll_clk); + if (!pll_clk) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = ops; + init.parent_names = &parent_name; + init.num_parents = 1; + + pll_clk->hw.init = &init; + pll_clk->pllcr0_reg = base + pll_cr_offsets[index - 1].cr0; + pll_clk->pllcr1_reg = base + pll_cr_offsets[index - 1].cr1; + pll_clk->pllecr_reg = base + CPG_PLLECR; + pll_clk->pllecr_pllst_mask = CPG_PLLECR_PLLST(index); + + clk = clk_register(NULL, &pll_clk->hw); + if (IS_ERR(clk)) + kfree(pll_clk); + + return clk; +} + +/* + * Z0, Z1 and ZG Clock + */ +#define CPG_FRQCRB 0x00000804 +#define CPG_FRQCRB_KICK BIT(31) +#define CPG_FRQCRC0 0x00000808 +#define CPG_FRQCRC1 0x000008e0 + +struct cpg_z_clk { + struct clk_hw hw; + void __iomem *reg; + void __iomem *kick_reg; + unsigned long max_rate; /* Maximum rate for normal mode */ + unsigned int fixed_div; + u32 mask; +}; + +#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw) + +static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult = 32 - field_get(zclk->mask, readl(zclk->reg)); + + return DIV_ROUND_CLOSEST_ULL((u64)parent_rate * mult, + 32 * zclk->fixed_div); +} + +static int cpg_z_clk_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int min_mult, max_mult, mult; + unsigned long rate, prate; + + rate = min(req->rate, req->max_rate); + if (rate <= zclk->max_rate) { + /* Set parent rate to initial value for normal modes */ + prate = zclk->max_rate; + } else { + /* Set increased parent rate for boost modes */ + prate = rate; + } + req->best_parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), + prate * zclk->fixed_div); + + prate = req->best_parent_rate / zclk->fixed_div; + min_mult = max(div64_ul(req->min_rate * 32ULL, prate), 1ULL); + max_mult = min(div64_ul(req->max_rate * 32ULL, prate), 32ULL); + if (max_mult < min_mult) + return -EINVAL; + + mult = DIV_ROUND_CLOSEST_ULL(rate * 32ULL, prate); + mult = clamp(mult, min_mult, max_mult); + + req->rate = DIV_ROUND_CLOSEST_ULL((u64)prate * mult, 32); + return 0; +} + +static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + unsigned int i; + + mult = DIV64_U64_ROUND_CLOSEST(rate * 32ULL * zclk->fixed_div, + parent_rate); + mult = clamp(mult, 1U, 32U); + + if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK) + return -EBUSY; + + cpg_reg_modify(zclk->reg, zclk->mask, + field_prep(zclk->mask, 32 - mult)); + + /* + * Set KICK bit in FRQCRB to update hardware setting and wait for + * clock change completion. + */ + cpg_reg_modify(zclk->kick_reg, 0, CPG_FRQCRB_KICK); + + /* + * Note: There is no HW information about the worst case latency. + * + * Using experimental measurements, it seems that no more than + * ~10 iterations are needed, independently of the CPU rate. + * Since this value might be dependent on external xtal rate, pll1 + * rate or even the other emulation clocks rate, use 1000 as a + * "super" safe value. + */ + for (i = 1000; i; i--) { + if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) + return 0; + + cpu_relax(); + } + + return -ETIMEDOUT; +} + +static const struct clk_ops cpg_z_clk_ops = { + .recalc_rate = cpg_z_clk_recalc_rate, + .determine_rate = cpg_z_clk_determine_rate, + .set_rate = cpg_z_clk_set_rate, +}; + +static struct clk * __init cpg_z_clk_register(const char *name, + const char *parent_name, + void __iomem *reg, + unsigned int div, + unsigned int offset) +{ + struct clk_init_data init = {}; + struct cpg_z_clk *zclk; + struct clk *clk; + + zclk = kzalloc_obj(*zclk); + if (!zclk) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &cpg_z_clk_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = &parent_name; + init.num_parents = 1; + + if (offset < 32) { + zclk->reg = reg + CPG_FRQCRC0; + } else if (offset < 64) { + zclk->reg = reg + CPG_FRQCRC1; + offset -= 32; + } else if (offset < 96) { + zclk->reg = reg + CPG_FRQCRB; + offset -= 64; + } else { + return ERR_PTR(-EINVAL); + } + zclk->kick_reg = reg + CPG_FRQCRB; + zclk->hw.init = &init; + zclk->mask = GENMASK(offset + 4, offset); + zclk->fixed_div = div; /* PLLVCO x 1/div x SYS-CPU divider */ + + clk = clk_register(NULL, &zclk->hw); + if (IS_ERR(clk)) { + kfree(zclk); + return clk; + } + + zclk->max_rate = clk_hw_get_rate(clk_hw_get_parent(&zclk->hw)) / + zclk->fixed_div; + return clk; +} + +/* + * RPC Clocks + */ +static const struct clk_div_table cpg_rpcsrc_div_table[] = { + { 0, 4 }, { 1, 6 }, { 2, 5 }, { 3, 6 }, { 0, 0 }, +}; + +struct clk * __init rcar_gen4_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub) +{ + struct raw_notifier_head *notifiers = &pub->notifiers; + void __iomem *base = pub->base0; + struct clk **clks = pub->clks; + const struct clk *parent; + unsigned int mult = 1; + unsigned int div = 1; + u32 value; + + parent = clks[core->parent & 0xffff]; /* some types use high bits */ + if (IS_ERR(parent)) + return ERR_CAST(parent); + + switch (core->type) { + case CLK_TYPE_GEN4_MAIN: + div = cpg_pll_config->extal_div; + break; + + case CLK_TYPE_GEN4_PLL1: + mult = cpg_pll_config->pll1_mult; + div = cpg_pll_config->pll1_div; + break; + + case CLK_TYPE_GEN4_PLL5: + mult = cpg_pll_config->pll5_mult; + div = cpg_pll_config->pll5_div; + break; + + case CLK_TYPE_GEN4_PLL2X_3X: + value = readl(base + core->offset); + mult = (FIELD_GET(CPG_PLLxCR_STC, value) + 1) * 2; + break; + + case CLK_TYPE_GEN4_PLL_F8_25: + return cpg_pll_clk_register(core->name, __clk_get_name(parent), + base, core->offset, + &cpg_pll_f8_25_clk_ops); + + case CLK_TYPE_GEN4_PLL_V8_25: + return cpg_pll_clk_register(core->name, __clk_get_name(parent), + base, core->offset, + &cpg_pll_v8_25_clk_ops); + + case CLK_TYPE_GEN4_PLL_V9_24: + /* Variable fractional 9.24 is not yet supported, using fixed */ + fallthrough; + case CLK_TYPE_GEN4_PLL_F9_24: + return cpg_pll_clk_register(core->name, __clk_get_name(parent), + base, core->offset, + &cpg_pll_f9_24_clk_ops); + + case CLK_TYPE_GEN4_Z: + return cpg_z_clk_register(core->name, __clk_get_name(parent), + base, core->div, core->offset); + + case CLK_TYPE_GEN4_SDSRC: + value = readl(base + CPG_SD0CKCR1); + div = FIELD_GET(CPG_SD0CKCR1_SDSRC_SEL, value) + 4; + break; + + case CLK_TYPE_GEN4_SDH: + return cpg_sdh_clk_register(core->name, base + core->offset, + __clk_get_name(parent), notifiers); + + case CLK_TYPE_GEN4_SD: + return cpg_sd_clk_register(core->name, base + core->offset, + __clk_get_name(parent)); + + case CLK_TYPE_GEN4_MDSEL: + /* + * Clock selectable between two parents and two fixed dividers + * using a mode pin + */ + if (cpg_mode & BIT(core->offset)) { + div = core->div & 0xffff; + } else { + parent = clks[core->parent >> 16]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + div = core->div >> 16; + } + mult = 1; + break; + + case CLK_TYPE_GEN4_OSC: + /* + * Clock combining OSC EXTAL predivider and a fixed divider + */ + div = cpg_pll_config->osc_prediv * core->div; + break; + + case CLK_TYPE_GEN4_RPCSRC: + return clk_register_divider_table(NULL, core->name, + __clk_get_name(parent), 0, + base + CPG_RPCCKCR, 3, 2, 0, + cpg_rpcsrc_div_table, + &cpg_lock); + + case CLK_TYPE_GEN4_RPC: + return cpg_rpc_clk_register(core->name, base + CPG_RPCCKCR, + __clk_get_name(parent), notifiers); + + case CLK_TYPE_GEN4_RPCD2: + return cpg_rpcd2_clk_register(core->name, base + CPG_RPCCKCR, + __clk_get_name(parent)); + + default: + return ERR_PTR(-EINVAL); + } + + return clk_register_fixed_factor(NULL, core->name, + __clk_get_name(parent), 0, mult, div); +} + +int __init rcar_gen4_cpg_init(const struct rcar_gen4_cpg_pll_config *config, + unsigned int clk_extalr, u32 mode) +{ + cpg_pll_config = config; + cpg_clk_extalr = clk_extalr; + cpg_mode = mode; + + return 0; +} diff --git a/drivers/clk/renesas/rcar-gen4-cpg.h b/drivers/clk/renesas/rcar-gen4-cpg.h new file mode 100644 index 000000000..6c8280b37 --- /dev/null +++ b/drivers/clk/renesas/rcar-gen4-cpg.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * R-Car Gen4 Clock Pulse Generator + * + * Copyright (C) 2021 Renesas Electronics Corp. + * + */ + +#ifndef __CLK_RENESAS_RCAR_GEN4_CPG_H__ +#define __CLK_RENESAS_RCAR_GEN4_CPG_H__ + +enum rcar_gen4_clk_types { + CLK_TYPE_GEN4_MAIN = CLK_TYPE_CUSTOM, + CLK_TYPE_GEN4_PLL1, + CLK_TYPE_GEN4_PLL2X_3X, /* r8a779a0 only */ + CLK_TYPE_GEN4_PLL5, + CLK_TYPE_GEN4_PLL_F8_25, /* Fixed fractional 8.25 PLL */ + CLK_TYPE_GEN4_PLL_V8_25, /* Variable fractional 8.25 PLL */ + CLK_TYPE_GEN4_PLL_F9_24, /* Fixed fractional 9.24 PLL */ + CLK_TYPE_GEN4_PLL_V9_24, /* Variable fractional 9.24 PLL */ + CLK_TYPE_GEN4_SDSRC, + CLK_TYPE_GEN4_SDH, + CLK_TYPE_GEN4_SD, + CLK_TYPE_GEN4_MDSEL, /* Select parent/divider using mode pin */ + CLK_TYPE_GEN4_Z, + CLK_TYPE_GEN4_OSC, /* OSC EXTAL predivider and fixed divider */ + CLK_TYPE_GEN4_RPCSRC, + CLK_TYPE_GEN4_RPC, + CLK_TYPE_GEN4_RPCD2, + + /* SoC specific definitions start here */ + CLK_TYPE_GEN4_SOC_BASE, +}; + +#define DEF_GEN4_SDH(_name, _id, _parent, _offset) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN4_SDH, _parent, .offset = _offset) + +#define DEF_GEN4_SD(_name, _id, _parent, _offset) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN4_SD, _parent, .offset = _offset) + +#define DEF_GEN4_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN4_MDSEL, \ + (_parent0) << 16 | (_parent1), \ + .div = (_div0) << 16 | (_div1), .offset = _md) + +#define DEF_GEN4_OSC(_name, _id, _parent, _div) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN4_OSC, _parent, .div = _div) + +#define DEF_GEN4_PLL_F8_25(_name, _idx, _id, _parent) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN4_PLL_F8_25, _parent, .offset = _idx) + +#define DEF_GEN4_PLL_V8_25(_name, _idx, _id, _parent) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN4_PLL_V8_25, _parent, .offset = _idx) + +#define DEF_GEN4_PLL_F9_24(_name, _idx, _id, _parent) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN4_PLL_F9_24, _parent, .offset = _idx) + +#define DEF_GEN4_PLL_V9_24(_name, _idx, _id, _parent) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN4_PLL_V9_24, _parent, .offset = _idx) + +#define DEF_GEN4_Z(_name, _id, _type, _parent, _div, _offset) \ + DEF_BASE(_name, _id, _type, _parent, .div = _div, .offset = _offset) + +struct rcar_gen4_cpg_pll_config { + u8 extal_div; + u8 pll1_mult; + u8 pll1_div; + u8 pll5_mult; + u8 pll5_div; + u8 osc_prediv; +}; + +#define CPG_SD0CKCR 0x870 /* SD-IF0 Clock Frequency Control Register */ +#define CPG_CANFDCKCR 0x878 /* CAN-FD Clock Frequency Control Register */ +#define CPG_MSOCKCR 0x87c /* MSIOF Clock Frequency Control Register */ +#define CPG_CSICKCR 0x880 /* CSI Clock Frequency Control Register */ +#define CPG_DSIEXTCKCR 0x884 /* DSI Clock Frequency Control Register */ + +struct clk *rcar_gen4_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub); +int rcar_gen4_cpg_init(const struct rcar_gen4_cpg_pll_config *config, + unsigned int clk_extalr, u32 mode); + +#endif diff --git a/drivers/clk/renesas/rcar-usb2-clock-sel.c b/drivers/clk/renesas/rcar-usb2-clock-sel.c new file mode 100644 index 000000000..421ae973e --- /dev/null +++ b/drivers/clk/renesas/rcar-usb2-clock-sel.c @@ -0,0 +1,220 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas R-Car USB2.0 clock selector + * + * Copyright (C) 2017 Renesas Electronics Corp. + * + * Based on renesas-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> +#include <linux/reset.h> +#include <linux/slab.h> + +#define USB20_CLKSET0 0x00 +#define CLKSET0_INTCLK_EN BIT(11) +#define CLKSET0_PRIVATE BIT(0) +#define CLKSET0_EXTAL_ONLY (CLKSET0_INTCLK_EN | CLKSET0_PRIVATE) + +static const struct clk_bulk_data rcar_usb2_clocks[] = { + { .id = "ehci_ohci", }, + { .id = "hs-usb-if", }, +}; + +struct usb2_clock_sel_priv { + void __iomem *base; + struct clk_hw hw; + struct clk_bulk_data clks[ARRAY_SIZE(rcar_usb2_clocks)]; + struct reset_control *rsts; + bool extal; + bool xtal; +}; +#define to_priv(_hw) container_of(_hw, struct usb2_clock_sel_priv, hw) + +static void usb2_clock_sel_enable_extal_only(struct usb2_clock_sel_priv *priv) +{ + u16 val = readw(priv->base + USB20_CLKSET0); + + pr_debug("%s: enter %d %d %x\n", __func__, + priv->extal, priv->xtal, val); + + if (priv->extal && !priv->xtal && val != CLKSET0_EXTAL_ONLY) + writew(CLKSET0_EXTAL_ONLY, priv->base + USB20_CLKSET0); +} + +static void usb2_clock_sel_disable_extal_only(struct usb2_clock_sel_priv *priv) +{ + if (priv->extal && !priv->xtal) + writew(CLKSET0_PRIVATE, priv->base + USB20_CLKSET0); +} + +static int usb2_clock_sel_enable(struct clk_hw *hw) +{ + struct usb2_clock_sel_priv *priv = to_priv(hw); + int ret; + + ret = reset_control_deassert(priv->rsts); + if (ret) + return ret; + + ret = clk_bulk_prepare_enable(ARRAY_SIZE(priv->clks), priv->clks); + if (ret) { + reset_control_assert(priv->rsts); + return ret; + } + + usb2_clock_sel_enable_extal_only(priv); + + return 0; +} + +static void usb2_clock_sel_disable(struct clk_hw *hw) +{ + struct usb2_clock_sel_priv *priv = to_priv(hw); + + usb2_clock_sel_disable_extal_only(priv); + + clk_bulk_disable_unprepare(ARRAY_SIZE(priv->clks), priv->clks); + reset_control_assert(priv->rsts); +} + +/* + * This module seems a mux, but this driver assumes a gate because + * ehci/ohci platform drivers don't support clk_set_parent() for now. + * If this driver acts as a gate, ehci/ohci-platform drivers don't need + * any modification. + */ +static const struct clk_ops usb2_clock_sel_clock_ops = { + .enable = usb2_clock_sel_enable, + .disable = usb2_clock_sel_disable, +}; + +static const struct of_device_id rcar_usb2_clock_sel_match[] = { + { .compatible = "renesas,rcar-gen3-usb2-clock-sel" }, + { } +}; + +static int rcar_usb2_clock_sel_suspend(struct device *dev) +{ + struct usb2_clock_sel_priv *priv = dev_get_drvdata(dev); + + usb2_clock_sel_disable_extal_only(priv); + pm_runtime_put(dev); + + return 0; +} + +static int rcar_usb2_clock_sel_resume(struct device *dev) +{ + struct usb2_clock_sel_priv *priv = dev_get_drvdata(dev); + + pm_runtime_get_sync(dev); + usb2_clock_sel_enable_extal_only(priv); + + return 0; +} + +static void rcar_usb2_clock_sel_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + + of_clk_del_provider(dev->of_node); + pm_runtime_put(dev); + pm_runtime_disable(dev); +} + +static int rcar_usb2_clock_sel_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + struct usb2_clock_sel_priv *priv; + struct clk *clk; + struct clk_init_data init = {}; + int ret; + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + memcpy(priv->clks, rcar_usb2_clocks, sizeof(priv->clks)); + ret = devm_clk_bulk_get(dev, ARRAY_SIZE(priv->clks), priv->clks); + if (ret < 0) + return ret; + + priv->rsts = devm_reset_control_array_get_shared(dev); + if (IS_ERR(priv->rsts)) + return PTR_ERR(priv->rsts); + + clk = devm_clk_get(dev, "usb_extal"); + if (!IS_ERR(clk) && !clk_prepare_enable(clk)) { + priv->extal = !!clk_get_rate(clk); + clk_disable_unprepare(clk); + } + clk = devm_clk_get(dev, "usb_xtal"); + if (!IS_ERR(clk) && !clk_prepare_enable(clk)) { + priv->xtal = !!clk_get_rate(clk); + clk_disable_unprepare(clk); + } + + if (!priv->extal && !priv->xtal) { + dev_err(dev, "This driver needs usb_extal or usb_xtal\n"); + return -ENOENT; + } + + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); + platform_set_drvdata(pdev, priv); + dev_set_drvdata(dev, priv); + + init.name = "rcar_usb2_clock_sel"; + init.ops = &usb2_clock_sel_clock_ops; + priv->hw.init = &init; + + ret = devm_clk_hw_register(dev, &priv->hw); + if (ret) + goto pm_put; + + ret = of_clk_add_hw_provider(np, of_clk_hw_simple_get, &priv->hw); + if (ret) + goto pm_put; + + return 0; + +pm_put: + pm_runtime_put(dev); + pm_runtime_disable(dev); + return ret; +} + +static const struct dev_pm_ops rcar_usb2_clock_sel_pm_ops = { + .suspend = rcar_usb2_clock_sel_suspend, + .resume = rcar_usb2_clock_sel_resume, +}; + +static struct platform_driver rcar_usb2_clock_sel_driver = { + .driver = { + .name = "rcar-usb2-clock-sel", + .of_match_table = rcar_usb2_clock_sel_match, + .pm = &rcar_usb2_clock_sel_pm_ops, + }, + .probe = rcar_usb2_clock_sel_probe, + .remove = rcar_usb2_clock_sel_remove, +}; +builtin_platform_driver(rcar_usb2_clock_sel_driver); + +MODULE_DESCRIPTION("Renesas R-Car USB2 clock selector Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c new file mode 100644 index 000000000..b6dab92cb --- /dev/null +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -0,0 +1,1435 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2015 Glider bvba + * + * Based on clk-mstp.c, clk-rcar-gen2.c, and clk-rcar-gen3.c + * + * Copyright (C) 2013 Ideas On Board SPRL + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/iopoll.h> +#include <linux/module.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/pm_clock.h> +#include <linux/pm_domain.h> +#include <linux/psci.h> +#include <linux/reset-controller.h> +#include <linux/slab.h> +#include <linux/string_choices.h> + +#include <dt-bindings/clock/renesas-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "clk-div6.h" + +#ifdef DEBUG +#define WARN_DEBUG(x) WARN_ON(x) +#else +#define WARN_DEBUG(x) do { } while (0) +#endif + +#define RZT2H_RESET_REG_READ_COUNT 7 + +/* + * Module Standby and Software Reset register offsets. + * + * If the registers exist, these are valid for SH-Mobile, R-Mobile, + * R-Car Gen2, R-Car Gen3, and RZ/G1. + * These are NOT valid for R-Car Gen1 and RZ/A1! + */ + +/* + * Module Stop Status Register offsets + */ + +static const u16 mstpsr[] = { + 0x030, 0x038, 0x040, 0x048, 0x04C, 0x03C, 0x1C0, 0x1C4, + 0x9A0, 0x9A4, 0x9A8, 0x9AC, +}; + +static const u16 mstpsr_for_gen4[] = { + 0x2E00, 0x2E04, 0x2E08, 0x2E0C, 0x2E10, 0x2E14, 0x2E18, 0x2E1C, + 0x2E20, 0x2E24, 0x2E28, 0x2E2C, 0x2E30, 0x2E34, 0x2E38, 0x2E3C, + 0x2E40, 0x2E44, 0x2E48, 0x2E4C, 0x2E50, 0x2E54, 0x2E58, 0x2E5C, + 0x2E60, 0x2E64, 0x2E68, 0x2E6C, 0x2E70, 0x2E74, +}; + +/* + * System Module Stop Control Register offsets + */ + +static const u16 smstpcr[] = { + 0x130, 0x134, 0x138, 0x13C, 0x140, 0x144, 0x148, 0x14C, + 0x990, 0x994, 0x998, 0x99C, +}; + +static const u16 mstpcr_for_gen4[] = { + 0x2D00, 0x2D04, 0x2D08, 0x2D0C, 0x2D10, 0x2D14, 0x2D18, 0x2D1C, + 0x2D20, 0x2D24, 0x2D28, 0x2D2C, 0x2D30, 0x2D34, 0x2D38, 0x2D3C, + 0x2D40, 0x2D44, 0x2D48, 0x2D4C, 0x2D50, 0x2D54, 0x2D58, 0x2D5C, + 0x2D60, 0x2D64, 0x2D68, 0x2D6C, 0x2D70, 0x2D74, +}; + +/* + * Module Stop Control Register (RZ/T2H) + * RZ/T2H has 2 registers blocks, + * Bit 12 is used to differentiate them + */ + +#define RZT2H_MSTPCR_BLOCK_SHIFT 12 +#define RZT2H_MSTPCR_OFFSET_MASK GENMASK(11, 0) +#define RZT2H_MSTPCR(block, offset) (((block) << RZT2H_MSTPCR_BLOCK_SHIFT) | \ + ((offset) & RZT2H_MSTPCR_OFFSET_MASK)) + +#define RZT2H_MSTPCR_BLOCK(x) ((x) >> RZT2H_MSTPCR_BLOCK_SHIFT) +#define RZT2H_MSTPCR_OFFSET(x) ((x) & RZT2H_MSTPCR_OFFSET_MASK) + +static const u16 mstpcr_for_rzt2h[] = { + RZT2H_MSTPCR(0, 0x300), /* MSTPCRA */ + RZT2H_MSTPCR(0, 0x304), /* MSTPCRB */ + RZT2H_MSTPCR(0, 0x308), /* MSTPCRC */ + RZT2H_MSTPCR(0, 0x30c), /* MSTPCRD */ + RZT2H_MSTPCR(0, 0x310), /* MSTPCRE */ + 0, + RZT2H_MSTPCR(1, 0x318), /* MSTPCRG */ + 0, + RZT2H_MSTPCR(1, 0x320), /* MSTPCRI */ + RZT2H_MSTPCR(0, 0x324), /* MSTPCRJ */ + RZT2H_MSTPCR(0, 0x328), /* MSTPCRK */ + RZT2H_MSTPCR(0, 0x32c), /* MSTPCRL */ + RZT2H_MSTPCR(0, 0x330), /* MSTPCRM */ + RZT2H_MSTPCR(1, 0x334), /* MSTPCRN */ +}; + +/* + * Standby Control Register offsets (RZ/A) + * Base address is FRQCR register + */ + +static const u16 stbcr[] = { + 0xFFFF/*dummy*/, 0x010, 0x014, 0x410, 0x414, 0x418, 0x41C, 0x420, + 0x424, 0x428, 0x42C, +}; + +/* + * Software Reset Register offsets + */ + +static const u16 srcr[] = { + 0x0A0, 0x0A8, 0x0B0, 0x0B8, 0x0BC, 0x0C4, 0x1C8, 0x1CC, + 0x920, 0x924, 0x928, 0x92C, +}; + +static const u16 srcr_for_gen4[] = { + 0x2C00, 0x2C04, 0x2C08, 0x2C0C, 0x2C10, 0x2C14, 0x2C18, 0x2C1C, + 0x2C20, 0x2C24, 0x2C28, 0x2C2C, 0x2C30, 0x2C34, 0x2C38, 0x2C3C, + 0x2C40, 0x2C44, 0x2C48, 0x2C4C, 0x2C50, 0x2C54, 0x2C58, 0x2C5C, + 0x2C60, 0x2C64, 0x2C68, 0x2C6C, 0x2C70, 0x2C74, +}; + +static const u16 mrcr_for_rzt2h[] = { + 0x240, /* MRCTLA */ + 0x244, /* Reserved */ + 0x248, /* Reserved */ + 0x24C, /* Reserved */ + 0x250, /* MRCTLE */ + 0x254, /* Reserved */ + 0x258, /* Reserved */ + 0x25C, /* Reserved */ + 0x260, /* MRCTLI */ + 0x264, /* Reserved */ + 0x268, /* Reserved */ + 0x26C, /* Reserved */ + 0x270, /* MRCTLM */ +}; + +/* + * Software Reset Clearing Register offsets + */ + +static const u16 srstclr[] = { + 0x940, 0x944, 0x948, 0x94C, 0x950, 0x954, 0x958, 0x95C, + 0x960, 0x964, 0x968, 0x96C, +}; + +static const u16 srstclr_for_gen4[] = { + 0x2C80, 0x2C84, 0x2C88, 0x2C8C, 0x2C90, 0x2C94, 0x2C98, 0x2C9C, + 0x2CA0, 0x2CA4, 0x2CA8, 0x2CAC, 0x2CB0, 0x2CB4, 0x2CB8, 0x2CBC, + 0x2CC0, 0x2CC4, 0x2CC8, 0x2CCC, 0x2CD0, 0x2CD4, 0x2CD8, 0x2CDC, + 0x2CE0, 0x2CE4, 0x2CE8, 0x2CEC, 0x2CF0, 0x2CF4, +}; + +/** + * struct cpg_mssr_priv - Clock Pulse Generator / Module Standby + * and Software Reset Private Data + * + * @pub: Data passed to clock registration callback + * @rcdev: Optional reset controller entity + * @dev: CPG/MSSR device + * @reg_layout: CPG/MSSR register layout + * @np: Device node in DT for this CPG/MSSR module + * @num_core_clks: Number of Core Clocks in clks[] + * @num_mod_clks: Number of Module Clocks in clks[] + * @last_dt_core_clk: ID of the last Core Clock exported to DT + * @status_regs: Pointer to status registers array + * @control_regs: Pointer to control registers array + * @reset_regs: Pointer to reset registers array + * @reset_clear_regs: Pointer to reset clearing registers array + * @smstpcr_saved: [].mask: Mask of SMSTPCR[] bits under our control + * [].val: Saved values of SMSTPCR[] + * @reserved_ids: Temporary used, reserved id list + * @num_reserved_ids: Temporary used, number of reserved id list + * @clks: Array containing all Core and Module Clocks + */ +struct cpg_mssr_priv { + struct cpg_mssr_pub pub; +#ifdef CONFIG_RESET_CONTROLLER + struct reset_controller_dev rcdev; +#endif + struct device *dev; + enum clk_reg_layout reg_layout; + struct device_node *np; + + unsigned int num_core_clks; + unsigned int num_mod_clks; + unsigned int last_dt_core_clk; + + const u16 *status_regs; + const u16 *control_regs; + const u16 *reset_regs; + const u16 *reset_clear_regs; + struct { + u32 mask; + u32 val; + } smstpcr_saved[ARRAY_SIZE(mstpsr_for_gen4)]; + + unsigned int *reserved_ids; + unsigned int num_reserved_ids; + + struct clk *clks[]; +}; + +static struct cpg_mssr_priv *cpg_mssr_priv; + +/** + * struct mstp_clock - MSTP gating clock + * @hw: handle between common and hardware-specific interfaces + * @index: MSTP clock number + * @priv: CPG/MSSR private data + */ +struct mstp_clock { + struct clk_hw hw; + u32 index; + struct cpg_mssr_priv *priv; +}; + +#define to_mstp_clock(_hw) container_of(_hw, struct mstp_clock, hw) + +static u32 cpg_rzt2h_mstp_read(struct cpg_mssr_priv *priv, u16 offset) +{ + void __iomem *base = + RZT2H_MSTPCR_BLOCK(offset) ? priv->pub.base1 : priv->pub.base0; + + return readl(base + RZT2H_MSTPCR_OFFSET(offset)); +} + +static void cpg_rzt2h_mstp_write(struct cpg_mssr_priv *priv, u16 offset, u32 value) +{ + void __iomem *base = + RZT2H_MSTPCR_BLOCK(offset) ? priv->pub.base1 : priv->pub.base0; + + writel(value, base + RZT2H_MSTPCR_OFFSET(offset)); +} + +static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) +{ + struct mstp_clock *clock = to_mstp_clock(hw); + struct cpg_mssr_priv *priv = clock->priv; + unsigned int reg = clock->index / 32; + unsigned int bit = clock->index % 32; + struct device *dev = priv->dev; + u32 bitmask = BIT(bit); + unsigned long flags; + u32 value; + int error; + + dev_dbg(dev, "MSTP %u%02u/%pC %s\n", reg, bit, hw->clk, + str_on_off(enable)); + spin_lock_irqsave(&priv->pub.rmw_lock, flags); + + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) { + value = readb(priv->pub.base0 + priv->control_regs[reg]); + if (enable) + value &= ~bitmask; + else + value |= bitmask; + writeb(value, priv->pub.base0 + priv->control_regs[reg]); + + /* dummy read to ensure write has completed */ + readb(priv->pub.base0 + priv->control_regs[reg]); + barrier_data(priv->pub.base0 + priv->control_regs[reg]); + + } else if (priv->reg_layout == CLK_REG_LAYOUT_RZ_T2H) { + value = cpg_rzt2h_mstp_read(priv, priv->control_regs[reg]); + + if (enable) + value &= ~bitmask; + else + value |= bitmask; + + cpg_rzt2h_mstp_write(priv, priv->control_regs[reg], value); + } else { + value = readl(priv->pub.base0 + priv->control_regs[reg]); + if (enable) + value &= ~bitmask; + else + value |= bitmask; + writel(value, priv->pub.base0 + priv->control_regs[reg]); + } + + spin_unlock_irqrestore(&priv->pub.rmw_lock, flags); + + if (!enable || priv->reg_layout == CLK_REG_LAYOUT_RZ_A) + return 0; + + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_T2H) { + /* + * For the RZ/T2H case, it is necessary to perform a read-back after + * accessing the MSTPCRm register and to dummy-read any register of + * the IP at least seven times. Instead of memory-mapping the IP + * register, we simply add a delay after the read operation. + */ + cpg_rzt2h_mstp_read(priv, priv->control_regs[reg]); + udelay(10); + return 0; + } + + error = readl_poll_timeout_atomic(priv->pub.base0 + priv->status_regs[reg], + value, !(value & bitmask), 0, 10); + if (error) + dev_err(dev, "Failed to enable SMSTP %p[%d]\n", + priv->pub.base0 + priv->control_regs[reg], bit); + + return error; +} + +static int cpg_mstp_clock_enable(struct clk_hw *hw) +{ + return cpg_mstp_clock_endisable(hw, true); +} + +static void cpg_mstp_clock_disable(struct clk_hw *hw) +{ + cpg_mstp_clock_endisable(hw, false); +} + +static int cpg_mstp_clock_is_enabled(struct clk_hw *hw) +{ + struct mstp_clock *clock = to_mstp_clock(hw); + struct cpg_mssr_priv *priv = clock->priv; + unsigned int reg = clock->index / 32; + u32 value; + + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) + value = readb(priv->pub.base0 + priv->control_regs[reg]); + else if (priv->reg_layout == CLK_REG_LAYOUT_RZ_T2H) + value = cpg_rzt2h_mstp_read(priv, priv->control_regs[reg]); + else + value = readl(priv->pub.base0 + priv->status_regs[reg]); + + return !(value & BIT(clock->index % 32)); +} + +static const struct clk_ops cpg_mstp_clock_ops = { + .enable = cpg_mstp_clock_enable, + .disable = cpg_mstp_clock_disable, + .is_enabled = cpg_mstp_clock_is_enabled, +}; + +static +struct clk *cpg_mssr_clk_src_twocell_get(struct of_phandle_args *clkspec, + void *data) +{ + unsigned int clkidx = clkspec->args[1]; + struct cpg_mssr_priv *priv = data; + struct device *dev = priv->dev; + unsigned int idx; + const char *type; + struct clk *clk; + int range_check; + + if (clkspec->args_count != 2) + return ERR_PTR(-EINVAL); + + switch (clkspec->args[0]) { + case CPG_CORE: + type = "core"; + if (clkidx > priv->last_dt_core_clk) { + dev_err(dev, "Invalid %s clock index %u\n", type, + clkidx); + return ERR_PTR(-EINVAL); + } + clk = priv->clks[clkidx]; + break; + + case CPG_MOD: + type = "module"; + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) { + idx = MOD_CLK_PACK_10(clkidx); + range_check = 7 - (clkidx % 10); + } else { + idx = MOD_CLK_PACK(clkidx); + range_check = 31 - (clkidx % 100); + } + if (range_check < 0 || idx >= priv->num_mod_clks) { + dev_err(dev, "Invalid %s clock index %u\n", type, + clkidx); + return ERR_PTR(-EINVAL); + } + clk = priv->clks[priv->num_core_clks + idx]; + break; + + default: + dev_err(dev, "Invalid CPG clock type %u\n", clkspec->args[0]); + return ERR_PTR(-EINVAL); + } + + if (IS_ERR(clk)) + dev_err(dev, "Cannot get %s clock %u: %ld\n", type, clkidx, + PTR_ERR(clk)); + else + dev_dbg(dev, "clock (%u, %u) is %pC at %lu Hz\n", + clkspec->args[0], clkspec->args[1], clk, + clk_get_rate(clk)); + return clk; +} + +static void __init cpg_mssr_register_core_clk(const struct cpg_core_clk *core, + const struct cpg_mssr_info *info, + struct cpg_mssr_priv *priv) +{ + struct clk *clk = ERR_PTR(-ENOTSUPP), *parent; + struct device *dev = priv->dev; + unsigned int id = core->id, div = core->div; + const char *parent_name; + + WARN_DEBUG(id >= priv->num_core_clks); + WARN_DEBUG(PTR_ERR(priv->clks[id]) != -ENOENT); + + switch (core->type) { + case CLK_TYPE_IN: + clk = of_clk_get_by_name(priv->np, core->name); + break; + + case CLK_TYPE_FF: + case CLK_TYPE_DIV6P1: + case CLK_TYPE_DIV6_RO: + WARN_DEBUG(core->parent >= priv->num_core_clks); + parent = priv->pub.clks[core->parent]; + if (IS_ERR(parent)) { + clk = parent; + goto fail; + } + + parent_name = __clk_get_name(parent); + + if (core->type == CLK_TYPE_DIV6_RO) + /* Multiply with the DIV6 register value */ + div *= (readl(priv->pub.base0 + core->offset) & 0x3f) + 1; + + if (core->type == CLK_TYPE_DIV6P1) { + clk = cpg_div6_register(core->name, 1, &parent_name, + priv->pub.base0 + core->offset, + &priv->pub.notifiers); + } else { + clk = clk_register_fixed_factor(NULL, core->name, + parent_name, 0, + core->mult, div); + } + break; + + case CLK_TYPE_FR: + clk = clk_register_fixed_rate(NULL, core->name, NULL, 0, + core->mult); + break; + + default: + if (info->cpg_clk_register) + clk = info->cpg_clk_register(dev, core, info, + &priv->pub); + else + dev_err(dev, "%s has unsupported core clock type %u\n", + core->name, core->type); + break; + } + + if (IS_ERR(clk)) + goto fail; + + dev_dbg(dev, "Core clock %pC at %lu Hz\n", clk, clk_get_rate(clk)); + priv->pub.clks[id] = clk; + return; + +fail: + dev_err(dev, "Failed to register %s clock %s: %ld\n", "core", + core->name, PTR_ERR(clk)); +} + +static void __init cpg_mssr_register_mod_clk(const struct mssr_mod_clk *mod, + const struct cpg_mssr_info *info, + struct cpg_mssr_priv *priv) +{ + struct mstp_clock *clock = NULL; + struct device *dev = priv->dev; + unsigned int id = mod->id; + struct clk_init_data init = {}; + struct clk *parent, *clk; + const char *parent_name; + unsigned int i; + + WARN_DEBUG(id < priv->num_core_clks); + WARN_DEBUG(id >= priv->num_core_clks + priv->num_mod_clks); + WARN_DEBUG(mod->parent >= priv->num_core_clks + priv->num_mod_clks); + WARN_DEBUG(PTR_ERR(priv->pub.clks[id]) != -ENOENT); + + if (!mod->name) { + /* Skip NULLified clock */ + return; + } + + parent = priv->pub.clks[mod->parent]; + if (IS_ERR(parent)) { + clk = parent; + goto fail; + } + + clock = kzalloc_obj(*clock); + if (!clock) { + clk = ERR_PTR(-ENOMEM); + goto fail; + } + + init.name = mod->name; + init.ops = &cpg_mstp_clock_ops; + init.flags = CLK_SET_RATE_PARENT; + parent_name = __clk_get_name(parent); + init.parent_names = &parent_name; + init.num_parents = 1; + + clock->index = id - priv->num_core_clks; + clock->priv = priv; + clock->hw.init = &init; + + for (i = 0; i < info->num_crit_mod_clks; i++) + if (id == info->crit_mod_clks[i] && + cpg_mstp_clock_is_enabled(&clock->hw)) { + dev_dbg(dev, "MSTP %s setting CLK_IS_CRITICAL\n", + mod->name); + init.flags |= CLK_IS_CRITICAL; + break; + } + + /* + * Ignore reserved device. + * see + * cpg_mssr_reserved_init() + */ + for (i = 0; i < priv->num_reserved_ids; i++) { + if (id == priv->reserved_ids[i]) { + dev_info(dev, "Ignore Linux non-assigned mod (%s)\n", mod->name); + init.flags |= CLK_IGNORE_UNUSED; + break; + } + } + + clk = clk_register(NULL, &clock->hw); + if (IS_ERR(clk)) + goto fail; + + dev_dbg(dev, "Module clock %pC at %lu Hz\n", clk, clk_get_rate(clk)); + priv->clks[id] = clk; + priv->smstpcr_saved[clock->index / 32].mask |= BIT(clock->index % 32); + return; + +fail: + dev_err(dev, "Failed to register %s clock %s: %ld\n", "module", + mod->name, PTR_ERR(clk)); + kfree(clock); +} + +struct cpg_mssr_clk_domain { + struct generic_pm_domain genpd; + unsigned int num_core_pm_clks; + unsigned int core_pm_clks[] __counted_by(num_core_pm_clks); +}; + +static struct cpg_mssr_clk_domain *cpg_mssr_clk_domain; + +static bool cpg_mssr_is_pm_clk(const struct of_phandle_args *clkspec, + struct cpg_mssr_clk_domain *pd) +{ + unsigned int i; + + if (clkspec->np != pd->genpd.dev.of_node || clkspec->args_count != 2) + return false; + + switch (clkspec->args[0]) { + case CPG_CORE: + for (i = 0; i < pd->num_core_pm_clks; i++) + if (clkspec->args[1] == pd->core_pm_clks[i]) + return true; + return false; + + case CPG_MOD: + return true; + + default: + return false; + } +} + +int cpg_mssr_attach_dev(struct generic_pm_domain *unused, struct device *dev) +{ + struct cpg_mssr_clk_domain *pd = cpg_mssr_clk_domain; + struct device_node *np = dev->of_node; + struct of_phandle_args clkspec; + struct clk *clk; + int i = 0; + int error; + + if (!pd) { + dev_dbg(dev, "CPG/MSSR clock domain not yet available\n"); + return -EPROBE_DEFER; + } + + while (!of_parse_phandle_with_args(np, "clocks", "#clock-cells", i, + &clkspec)) { + if (cpg_mssr_is_pm_clk(&clkspec, pd)) + goto found; + + of_node_put(clkspec.np); + i++; + } + + return 0; + +found: + clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); + + if (IS_ERR(clk)) + return PTR_ERR(clk); + + error = pm_clk_create(dev); + if (error) + goto fail_put; + + error = pm_clk_add_clk(dev, clk); + if (error) + goto fail_destroy; + + return 0; + +fail_destroy: + pm_clk_destroy(dev); +fail_put: + clk_put(clk); + return error; +} + +void cpg_mssr_detach_dev(struct generic_pm_domain *unused, struct device *dev) +{ + if (!pm_clk_no_clocks(dev)) + pm_clk_destroy(dev); +} + +static void cpg_mssr_genpd_remove(void *data) +{ + pm_genpd_remove(data); +} + +static int __init cpg_mssr_add_clk_domain(struct device *dev, + const unsigned int *core_pm_clks, + unsigned int num_core_pm_clks) +{ + struct device_node *np = dev->of_node; + struct generic_pm_domain *genpd; + struct cpg_mssr_clk_domain *pd; + size_t pm_size = num_core_pm_clks * sizeof(core_pm_clks[0]); + int ret; + + pd = devm_kzalloc(dev, struct_size(pd, core_pm_clks, num_core_pm_clks), GFP_KERNEL); + if (!pd) + return -ENOMEM; + + pd->num_core_pm_clks = num_core_pm_clks; + memcpy(pd->core_pm_clks, core_pm_clks, pm_size); + + genpd = &pd->genpd; + genpd->name = np->name; + genpd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ALWAYS_ON | + GENPD_FLAG_ACTIVE_WAKEUP; + genpd->attach_dev = cpg_mssr_attach_dev; + genpd->detach_dev = cpg_mssr_detach_dev; + ret = pm_genpd_init(genpd, &pm_domain_always_on_gov, false); + if (ret) + return ret; + + ret = devm_add_action_or_reset(dev, cpg_mssr_genpd_remove, genpd); + if (ret) + return ret; + + cpg_mssr_clk_domain = pd; + + return of_genpd_add_provider_simple(np, genpd); +} + +#ifdef CONFIG_RESET_CONTROLLER + +#define rcdev_to_priv(x) container_of(x, struct cpg_mssr_priv, rcdev) + +static int cpg_mssr_reset_operate(struct reset_controller_dev *rcdev, + const char *func, bool set, unsigned long id) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + unsigned int reg = id / 32; + unsigned int bit = id % 32; + const u16 off = set ? priv->reset_regs[reg] : priv->reset_clear_regs[reg]; + u32 bitmask = BIT(bit); + + if (func) + dev_dbg(priv->dev, "%s %u%02u\n", func, reg, bit); + + writel(bitmask, priv->pub.base0 + off); + readl(priv->pub.base0 + off); + barrier_data(priv->pub.base0 + off); + + return 0; +} + +static int cpg_mssr_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + + /* Reset module */ + cpg_mssr_reset_operate(rcdev, "reset", true, id); + + /* + * On R-Car Gen4, delay after SRCR has been written is 1ms. + * On older SoCs, delay after SRCR has been written is 35us + * (one cycle of the RCLK clock @ ca. 32 kHz). + */ + if (priv->reg_layout == CLK_REG_LAYOUT_RCAR_GEN4) + usleep_range(1000, 2000); + else + usleep_range(35, 1000); + + /* Release module from reset state */ + return cpg_mssr_reset_operate(rcdev, NULL, false, id); +} + +static int cpg_mssr_assert(struct reset_controller_dev *rcdev, unsigned long id) +{ + return cpg_mssr_reset_operate(rcdev, "assert", true, id); +} + +static int cpg_mssr_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return cpg_mssr_reset_operate(rcdev, "deassert", false, id); +} + +static int cpg_mssr_status(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + unsigned int reg = id / 32; + unsigned int bit = id % 32; + u32 bitmask = BIT(bit); + + return !!(readl(priv->pub.base0 + priv->reset_regs[reg]) & bitmask); +} + +static int cpg_mrcr_set_reset_state(struct reset_controller_dev *rcdev, + unsigned long id, bool set) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + unsigned int reg = id / 32; + unsigned int bit = id % 32; + u32 bitmask = BIT(bit); + void __iomem *reg_addr; + unsigned long flags; + unsigned int i; + u32 val; + + dev_dbg(priv->dev, "%s %u%02u\n", set ? "assert" : "deassert", reg, bit); + + spin_lock_irqsave(&priv->pub.rmw_lock, flags); + + reg_addr = priv->pub.base0 + priv->reset_regs[reg]; + /* Read current value and modify */ + val = readl(reg_addr); + if (set) + val |= bitmask; + else + val &= ~bitmask; + writel(val, reg_addr); + + /* + * For secure processing after release from a module reset, one must + * perform multiple dummy reads of the same register. + */ + for (i = 0; !set && i < RZT2H_RESET_REG_READ_COUNT; i++) + readl(reg_addr); + + /* Verify the operation */ + val = readl(reg_addr); + + spin_unlock_irqrestore(&priv->pub.rmw_lock, flags); + + if (set == !(bitmask & val)) { + dev_err(priv->dev, "Reset register %u%02u operation failed\n", reg, bit); + return -EIO; + } + + return 0; +} + +static int cpg_mrcr_reset(struct reset_controller_dev *rcdev, unsigned long id) +{ + int ret; + + ret = cpg_mrcr_set_reset_state(rcdev, id, true); + if (ret) + return ret; + + return cpg_mrcr_set_reset_state(rcdev, id, false); +} + +static int cpg_mrcr_assert(struct reset_controller_dev *rcdev, unsigned long id) +{ + return cpg_mrcr_set_reset_state(rcdev, id, true); +} + +static int cpg_mrcr_deassert(struct reset_controller_dev *rcdev, unsigned long id) +{ + return cpg_mrcr_set_reset_state(rcdev, id, false); +} + +static const struct reset_control_ops cpg_mssr_reset_ops = { + .reset = cpg_mssr_reset, + .assert = cpg_mssr_assert, + .deassert = cpg_mssr_deassert, + .status = cpg_mssr_status, +}; + +static const struct reset_control_ops cpg_mrcr_reset_ops = { + .reset = cpg_mrcr_reset, + .assert = cpg_mrcr_assert, + .deassert = cpg_mrcr_deassert, + .status = cpg_mssr_status, +}; + +static int cpg_mssr_reset_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + struct cpg_mssr_priv *priv = rcdev_to_priv(rcdev); + unsigned int unpacked = reset_spec->args[0]; + unsigned int idx = MOD_CLK_PACK(unpacked); + + if (unpacked % 100 > 31 || idx >= rcdev->nr_resets) { + dev_err(priv->dev, "Invalid reset index %u\n", unpacked); + return -EINVAL; + } + + return idx; +} + +static int cpg_mssr_reset_controller_register(struct cpg_mssr_priv *priv) +{ + /* + * RZ/T2H (and family) has the Module Reset Control Registers + * which allows control resets of certain modules. + * The number of resets is not equal to the number of module clocks. + */ + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_T2H) { + priv->rcdev.ops = &cpg_mrcr_reset_ops; + priv->rcdev.nr_resets = ARRAY_SIZE(mrcr_for_rzt2h) * 32; + } else { + priv->rcdev.ops = &cpg_mssr_reset_ops; + priv->rcdev.nr_resets = priv->num_mod_clks; + } + + priv->rcdev.of_node = priv->dev->of_node; + priv->rcdev.of_reset_n_cells = 1; + priv->rcdev.of_xlate = cpg_mssr_reset_xlate; + + return devm_reset_controller_register(priv->dev, &priv->rcdev); +} + +#else /* !CONFIG_RESET_CONTROLLER */ +static inline int cpg_mssr_reset_controller_register(struct cpg_mssr_priv *priv) +{ + return 0; +} +#endif /* !CONFIG_RESET_CONTROLLER */ + +static const struct of_device_id cpg_mssr_match[] = { +#ifdef CONFIG_CLK_R7S9210 + { + .compatible = "renesas,r7s9210-cpg-mssr", + .data = &r7s9210_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A7742 + { + .compatible = "renesas,r8a7742-cpg-mssr", + .data = &r8a7742_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A7743 + { + .compatible = "renesas,r8a7743-cpg-mssr", + .data = &r8a7743_cpg_mssr_info, + }, + /* RZ/G1N is (almost) identical to RZ/G1M w.r.t. clocks. */ + { + .compatible = "renesas,r8a7744-cpg-mssr", + .data = &r8a7743_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A7745 + { + .compatible = "renesas,r8a7745-cpg-mssr", + .data = &r8a7745_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A77470 + { + .compatible = "renesas,r8a77470-cpg-mssr", + .data = &r8a77470_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A774A1 + { + .compatible = "renesas,r8a774a1-cpg-mssr", + .data = &r8a774a1_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A774B1 + { + .compatible = "renesas,r8a774b1-cpg-mssr", + .data = &r8a774b1_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A774C0 + { + .compatible = "renesas,r8a774c0-cpg-mssr", + .data = &r8a774c0_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A774E1 + { + .compatible = "renesas,r8a774e1-cpg-mssr", + .data = &r8a774e1_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A7790 + { + .compatible = "renesas,r8a7790-cpg-mssr", + .data = &r8a7790_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A7791 + { + .compatible = "renesas,r8a7791-cpg-mssr", + .data = &r8a7791_cpg_mssr_info, + }, + /* R-Car M2-N is (almost) identical to R-Car M2-W w.r.t. clocks. */ + { + .compatible = "renesas,r8a7793-cpg-mssr", + .data = &r8a7791_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A7792 + { + .compatible = "renesas,r8a7792-cpg-mssr", + .data = &r8a7792_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A7794 + { + .compatible = "renesas,r8a7794-cpg-mssr", + .data = &r8a7794_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A7795 + { + .compatible = "renesas,r8a7795-cpg-mssr", + .data = &r8a7795_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A77960 + { + .compatible = "renesas,r8a7796-cpg-mssr", + .data = &r8a7796_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A77961 + { + .compatible = "renesas,r8a77961-cpg-mssr", + .data = &r8a7796_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A77965 + { + .compatible = "renesas,r8a77965-cpg-mssr", + .data = &r8a77965_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A77970 + { + .compatible = "renesas,r8a77970-cpg-mssr", + .data = &r8a77970_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A77980 + { + .compatible = "renesas,r8a77980-cpg-mssr", + .data = &r8a77980_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A77990 + { + .compatible = "renesas,r8a77990-cpg-mssr", + .data = &r8a77990_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A77995 + { + .compatible = "renesas,r8a77995-cpg-mssr", + .data = &r8a77995_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A779A0 + { + .compatible = "renesas,r8a779a0-cpg-mssr", + .data = &r8a779a0_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A779F0 + { + .compatible = "renesas,r8a779f0-cpg-mssr", + .data = &r8a779f0_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A779G0 + { + .compatible = "renesas,r8a779g0-cpg-mssr", + .data = &r8a779g0_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A779H0 + { + .compatible = "renesas,r8a779h0-cpg-mssr", + .data = &r8a779h0_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R9A09G077 + { + .compatible = "renesas,r9a09g077-cpg-mssr", + .data = &r9a09g077_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R9A09G087 + { + .compatible = "renesas,r9a09g087-cpg-mssr", + .data = &r9a09g077_cpg_mssr_info, + }, +#endif + { /* sentinel */ } +}; + +static void cpg_mssr_del_clk_provider(void *data) +{ + of_clk_del_provider(data); +} + +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_ARM_PSCI_FW) +static int cpg_mssr_suspend_noirq(struct device *dev) +{ + struct cpg_mssr_priv *priv = dev_get_drvdata(dev); + unsigned int reg; + + /* This is the best we can do to check for the presence of PSCI */ + if (!psci_ops.cpu_suspend) + return 0; + + /* Save module registers with bits under our control */ + for (reg = 0; reg < ARRAY_SIZE(priv->smstpcr_saved); reg++) { + u32 val; + + if (!priv->smstpcr_saved[reg].mask) + continue; + + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) + val = readb(priv->pub.base0 + priv->control_regs[reg]); + else if (priv->reg_layout == CLK_REG_LAYOUT_RZ_T2H) + val = cpg_rzt2h_mstp_read(priv, priv->control_regs[reg]); + else + val = readl(priv->pub.base0 + priv->control_regs[reg]); + + priv->smstpcr_saved[reg].val = val; + } + + /* Save core clocks */ + raw_notifier_call_chain(&priv->pub.notifiers, PM_EVENT_SUSPEND, NULL); + + return 0; +} + +static int cpg_mssr_resume_noirq(struct device *dev) +{ + struct cpg_mssr_priv *priv = dev_get_drvdata(dev); + unsigned int reg; + u32 mask, oldval, newval; + int error; + + /* This is the best we can do to check for the presence of PSCI */ + if (!psci_ops.cpu_suspend) + return 0; + + /* Restore core clocks */ + raw_notifier_call_chain(&priv->pub.notifiers, PM_EVENT_RESUME, NULL); + + /* Restore module clocks */ + for (reg = 0; reg < ARRAY_SIZE(priv->smstpcr_saved); reg++) { + mask = priv->smstpcr_saved[reg].mask; + if (!mask) + continue; + + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) + oldval = readb(priv->pub.base0 + priv->control_regs[reg]); + else if (priv->reg_layout == CLK_REG_LAYOUT_RZ_T2H) + oldval = cpg_rzt2h_mstp_read(priv, priv->control_regs[reg]); + else + oldval = readl(priv->pub.base0 + priv->control_regs[reg]); + newval = oldval & ~mask; + newval |= priv->smstpcr_saved[reg].val & mask; + if (newval == oldval) + continue; + + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) { + writeb(newval, priv->pub.base0 + priv->control_regs[reg]); + /* dummy read to ensure write has completed */ + readb(priv->pub.base0 + priv->control_regs[reg]); + barrier_data(priv->pub.base0 + priv->control_regs[reg]); + continue; + } else if (priv->reg_layout == CLK_REG_LAYOUT_RZ_T2H) { + cpg_rzt2h_mstp_write(priv, priv->control_regs[reg], newval); + /* See cpg_mstp_clock_endisable() on why this is necessary. */ + cpg_rzt2h_mstp_read(priv, priv->control_regs[reg]); + udelay(10); + continue; + } else + writel(newval, priv->pub.base0 + priv->control_regs[reg]); + + /* Wait until enabled clocks are really enabled */ + mask &= ~priv->smstpcr_saved[reg].val; + if (!mask) + continue; + + error = readl_poll_timeout_atomic(priv->pub.base0 + priv->status_regs[reg], + oldval, !(oldval & mask), 0, 10); + if (error) + dev_warn(dev, "Failed to enable SMSTP%u[0x%x]\n", reg, + oldval & mask); + } + + return 0; +} + +static const struct dev_pm_ops cpg_mssr_pm = { + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(cpg_mssr_suspend_noirq, + cpg_mssr_resume_noirq) +}; +#define DEV_PM_OPS &cpg_mssr_pm +#else +#define DEV_PM_OPS NULL +#endif /* CONFIG_PM_SLEEP && CONFIG_ARM_PSCI_FW */ + +static void __init cpg_mssr_reserved_exit(struct cpg_mssr_priv *priv) +{ + kfree(priv->reserved_ids); +} + +static int __init cpg_mssr_reserved_init(struct cpg_mssr_priv *priv, + const struct cpg_mssr_info *info) +{ + struct device_node *soc __free(device_node) = of_find_node_by_path("/soc"); + struct device_node *node; + uint32_t args[MAX_PHANDLE_ARGS]; + unsigned int *ids = NULL; + unsigned int num = 0; + + /* + * Because clk_disable_unused() will disable all unused clocks, the device which is assigned + * to a non-Linux system will be disabled when Linux is booted. + * + * To avoid such situation, renesas-cpg-mssr assumes the device which has + * status = "reserved" is assigned to a non-Linux system, and adds CLK_IGNORE_UNUSED flag + * to its CPG_MOD clocks. + * see also + * cpg_mssr_register_mod_clk() + * + * scif5: serial@e6f30000 { + * ... + * => clocks = <&cpg CPG_MOD 202>, + * <&cpg CPG_CORE R8A7795_CLK_S3D1>, + * <&scif_clk>; + * ... + * status = "reserved"; + * }; + */ + for_each_reserved_child_of_node(soc, node) { + struct of_phandle_iterator it; + int rc; + + of_for_each_phandle(&it, rc, node, "clocks", "#clock-cells", -1) { + int idx; + unsigned int *new_ids; + + if (it.node != priv->np) + continue; + + if (of_phandle_iterator_args(&it, args, MAX_PHANDLE_ARGS) != 2) + continue; + + if (args[0] != CPG_MOD) + continue; + + new_ids = krealloc_array(ids, (num + 1), sizeof(*ids), GFP_KERNEL); + if (!new_ids) { + of_node_put(it.node); + kfree(ids); + return -ENOMEM; + } + ids = new_ids; + + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) + idx = MOD_CLK_PACK_10(args[1]); /* for DEF_MOD_STB() */ + else + idx = MOD_CLK_PACK(args[1]); /* for DEF_MOD() */ + + ids[num] = info->num_total_core_clks + idx; + + num++; + } + } + + priv->num_reserved_ids = num; + priv->reserved_ids = ids; + + return 0; +} + +static int __init cpg_mssr_common_init(struct device *dev, + struct device_node *np, + const struct cpg_mssr_info *info) +{ + struct cpg_mssr_priv *priv; + unsigned int nclks, i; + int error; + + if (info->init) { + error = info->init(dev); + if (error) + return error; + } + + nclks = info->num_total_core_clks + info->num_hw_mod_clks; + priv = kzalloc_flex(*priv, clks, nclks); + if (!priv) + return -ENOMEM; + + priv->pub.clks = priv->clks; + priv->np = np; + priv->dev = dev; + spin_lock_init(&priv->pub.rmw_lock); + + priv->pub.base0 = of_iomap(np, 0); + if (!priv->pub.base0) { + error = -ENOMEM; + goto out_err; + } + if (info->reg_layout == CLK_REG_LAYOUT_RZ_T2H) { + priv->pub.base1 = of_iomap(np, 1); + if (!priv->pub.base1) { + error = -ENOMEM; + goto out_err; + } + } + + priv->num_core_clks = info->num_total_core_clks; + priv->num_mod_clks = info->num_hw_mod_clks; + priv->last_dt_core_clk = info->last_dt_core_clk; + RAW_INIT_NOTIFIER_HEAD(&priv->pub.notifiers); + priv->reg_layout = info->reg_layout; + if (priv->reg_layout == CLK_REG_LAYOUT_RCAR_GEN2_AND_GEN3) { + priv->status_regs = mstpsr; + priv->control_regs = smstpcr; + priv->reset_regs = srcr; + priv->reset_clear_regs = srstclr; + } else if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) { + priv->control_regs = stbcr; + } else if (priv->reg_layout == CLK_REG_LAYOUT_RZ_T2H) { + priv->control_regs = mstpcr_for_rzt2h; + priv->reset_regs = mrcr_for_rzt2h; + } else if (priv->reg_layout == CLK_REG_LAYOUT_RCAR_GEN4) { + priv->status_regs = mstpsr_for_gen4; + priv->control_regs = mstpcr_for_gen4; + priv->reset_regs = srcr_for_gen4; + priv->reset_clear_regs = srstclr_for_gen4; + } else { + error = -EINVAL; + goto out_err; + } + + for (i = 0; i < nclks; i++) + priv->pub.clks[i] = ERR_PTR(-ENOENT); + + error = cpg_mssr_reserved_init(priv, info); + if (error) + goto out_err; + + error = of_clk_add_provider(np, cpg_mssr_clk_src_twocell_get, priv); + if (error) + goto reserve_err; + + cpg_mssr_priv = priv; + + return 0; + +reserve_err: + cpg_mssr_reserved_exit(priv); +out_err: + if (priv->pub.base0) + iounmap(priv->pub.base0); + if (priv->pub.base1) + iounmap(priv->pub.base1); + kfree(priv); + + return error; +} + +void __init cpg_mssr_early_init(struct device_node *np, + const struct cpg_mssr_info *info) +{ + int error; + int i; + + error = cpg_mssr_common_init(NULL, np, info); + if (error) + return; + + for (i = 0; i < info->num_early_core_clks; i++) + cpg_mssr_register_core_clk(&info->early_core_clks[i], info, + cpg_mssr_priv); + + for (i = 0; i < info->num_early_mod_clks; i++) + cpg_mssr_register_mod_clk(&info->early_mod_clks[i], info, + cpg_mssr_priv); + +} + +static int __init cpg_mssr_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + const struct cpg_mssr_info *info; + struct cpg_mssr_priv *priv; + unsigned int i; + int error; + + info = of_device_get_match_data(dev); + + if (!cpg_mssr_priv) { + error = cpg_mssr_common_init(dev, dev->of_node, info); + if (error) + return error; + } + + priv = cpg_mssr_priv; + priv->dev = dev; + dev_set_drvdata(dev, priv); + + for (i = 0; i < info->num_core_clks; i++) + cpg_mssr_register_core_clk(&info->core_clks[i], info, priv); + + for (i = 0; i < info->num_mod_clks; i++) + cpg_mssr_register_mod_clk(&info->mod_clks[i], info, priv); + + error = devm_add_action_or_reset(dev, + cpg_mssr_del_clk_provider, + np); + if (error) + goto reserve_exit; + + error = cpg_mssr_add_clk_domain(dev, info->core_pm_clks, + info->num_core_pm_clks); + if (error) + goto reserve_exit; + + /* Reset Controller not supported for Standby Control SoCs */ + if (priv->reg_layout == CLK_REG_LAYOUT_RZ_A) + goto reserve_exit; + + error = cpg_mssr_reset_controller_register(priv); + +reserve_exit: + cpg_mssr_reserved_exit(priv); + + return error; +} + +static struct platform_driver cpg_mssr_driver = { + .driver = { + .name = "renesas-cpg-mssr", + .of_match_table = cpg_mssr_match, + .pm = DEV_PM_OPS, + }, +}; + +static int __init cpg_mssr_init(void) +{ + return platform_driver_probe(&cpg_mssr_driver, cpg_mssr_probe); +} + +subsys_initcall(cpg_mssr_init); + +void __init mssr_mod_nullify(struct mssr_mod_clk *mod_clks, + unsigned int num_mod_clks, + const unsigned int *clks, unsigned int n) +{ + unsigned int i, j; + + for (i = 0, j = 0; i < num_mod_clks && j < n; i++) + if (mod_clks[i].id == clks[j]) { + mod_clks[i].name = NULL; + j++; + } +} + +MODULE_DESCRIPTION("Renesas CPG/MSSR Driver"); diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h new file mode 100644 index 000000000..ad11ab5f0 --- /dev/null +++ b/drivers/clk/renesas/renesas-cpg-mssr.h @@ -0,0 +1,222 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Renesas Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2015 Glider bvba + */ + +#ifndef __CLK_RENESAS_CPG_MSSR_H__ +#define __CLK_RENESAS_CPG_MSSR_H__ + +#include <linux/notifier.h> + + /* + * Definitions of CPG Core Clocks + * + * These include: + * - Clock outputs exported to DT + * - External input clocks + * - Internal CPG clocks + */ + +struct cpg_core_clk { + /* Common */ + const char *name; + unsigned int id; + unsigned int type; + /* Depending on type */ + unsigned int parent; /* Core Clocks only */ + unsigned int div; + unsigned int mult; + unsigned int offset; + union { + const char * const *parent_names; + const struct clk_div_table *dtable; + }; + u32 conf; + u16 flag; + u8 mux_flags; + u8 num_parents; +}; + +/** + * struct cpg_mssr_pub - data shared with device-specific clk registration code + * + * @base0: CPG/MSSR register block base0 address + * @base1: CPG/MSSR register block base1 address + * @notifiers: Notifier chain to save/restore clock state for system resume + * @rmw_lock: protects RMW register accesses + * @clks: pointer to clocks + */ +struct cpg_mssr_pub { + void __iomem *base0; + void __iomem *base1; + struct raw_notifier_head notifiers; + spinlock_t rmw_lock; + struct clk **clks; +}; + +enum clk_types { + /* Generic */ + CLK_TYPE_IN, /* External Clock Input */ + CLK_TYPE_FF, /* Fixed Factor Clock */ + CLK_TYPE_DIV6P1, /* DIV6 Clock with 1 parent clock */ + CLK_TYPE_DIV6_RO, /* DIV6 Clock read only with extra divisor */ + CLK_TYPE_FR, /* Fixed Rate Clock */ + + /* Custom definitions start here */ + CLK_TYPE_CUSTOM, +}; + +#define DEF_TYPE(_name, _id, _type...) \ + { .name = _name, .id = _id, .type = _type } +#define DEF_BASE(_name, _id, _type, _parent...) \ + DEF_TYPE(_name, _id, _type, .parent = _parent) + +#define DEF_INPUT(_name, _id) \ + DEF_TYPE(_name, _id, CLK_TYPE_IN) +#define DEF_FIXED(_name, _id, _parent, _div, _mult) \ + DEF_BASE(_name, _id, CLK_TYPE_FF, _parent, .div = _div, .mult = _mult) +#define DEF_DIV6P1(_name, _id, _parent, _offset) \ + DEF_BASE(_name, _id, CLK_TYPE_DIV6P1, _parent, .offset = _offset) +#define DEF_DIV6_RO(_name, _id, _parent, _offset, _div) \ + DEF_BASE(_name, _id, CLK_TYPE_DIV6_RO, _parent, .offset = _offset, .div = _div, .mult = 1) +#define DEF_RATE(_name, _id, _rate) \ + DEF_TYPE(_name, _id, CLK_TYPE_FR, .mult = _rate) + + /* + * Definitions of Module Clocks + */ + +struct mssr_mod_clk { + const char *name; + unsigned int id; + unsigned int parent; /* Add MOD_CLK_BASE for Module Clocks */ +}; + +/* Convert from sparse base-100 to packed index space */ +#define MOD_CLK_PACK(x) ((x) - ((x) / 100) * (100 - 32)) + +#define MOD_CLK_ID(x) (MOD_CLK_BASE + MOD_CLK_PACK(x)) + +#define DEF_MOD(_name, _mod, _parent...) \ + { .name = _name, .id = MOD_CLK_ID(_mod), .parent = _parent } + +/* Convert from sparse base-10 to packed index space */ +#define MOD_CLK_PACK_10(x) ((x / 10) * 32 + (x % 10)) + +#define MOD_CLK_ID_10(x) (MOD_CLK_BASE + MOD_CLK_PACK_10(x)) + +#define DEF_MOD_STB(_name, _mod, _parent...) \ + { .name = _name, .id = MOD_CLK_ID_10(_mod), .parent = _parent } + +struct device_node; + +enum clk_reg_layout { + CLK_REG_LAYOUT_RCAR_GEN2_AND_GEN3 = 0, + CLK_REG_LAYOUT_RZ_A, + CLK_REG_LAYOUT_RCAR_GEN4, + CLK_REG_LAYOUT_RZ_T2H, +}; + + /** + * SoC-specific CPG/MSSR Description + * + * @early_core_clks: Array of Early Core Clock definitions + * @num_early_core_clks: Number of entries in early_core_clks[] + * @early_mod_clks: Array of Early Module Clock definitions + * @num_early_mod_clks: Number of entries in early_mod_clks[] + * + * @core_clks: Array of Core Clock definitions + * @num_core_clks: Number of entries in core_clks[] + * @last_dt_core_clk: ID of the last Core Clock exported to DT + * @num_total_core_clks: Total number of Core Clocks (exported + internal) + * + * @mod_clks: Array of Module Clock definitions + * @num_mod_clks: Number of entries in mod_clks[] + * @num_hw_mod_clks: Number of Module Clocks supported by the hardware + * + * @crit_mod_clks: Array with Module Clock IDs of critical clocks that + * should not be disabled without a knowledgeable driver + * @num_crit_mod_clks: Number of entries in crit_mod_clks[] + * @reg_layout: CPG/MSSR register layout from enum clk_reg_layout + * + * @core_pm_clks: Array with IDs of Core Clocks that are suitable for Power + * Management, in addition to Module Clocks + * @num_core_pm_clks: Number of entries in core_pm_clks[] + * + * @init: Optional callback to perform SoC-specific initialization + * @cpg_clk_register: Optional callback to handle special Core Clock types + */ + +struct cpg_mssr_info { + /* Early Clocks */ + const struct cpg_core_clk *early_core_clks; + unsigned int num_early_core_clks; + const struct mssr_mod_clk *early_mod_clks; + unsigned int num_early_mod_clks; + + /* Core Clocks */ + const struct cpg_core_clk *core_clks; + unsigned int num_core_clks; + unsigned int last_dt_core_clk; + unsigned int num_total_core_clks; + enum clk_reg_layout reg_layout; + + /* Module Clocks */ + const struct mssr_mod_clk *mod_clks; + unsigned int num_mod_clks; + unsigned int num_hw_mod_clks; + + /* Critical Module Clocks that should not be disabled */ + const unsigned int *crit_mod_clks; + unsigned int num_crit_mod_clks; + + /* Core Clocks suitable for PM, in addition to the Module Clocks */ + const unsigned int *core_pm_clks; + unsigned int num_core_pm_clks; + + /* Callbacks */ + int (*init)(struct device *dev); + struct clk *(*cpg_clk_register)(struct device *dev, + const struct cpg_core_clk *core, + const struct cpg_mssr_info *info, + struct cpg_mssr_pub *pub); +}; + +extern const struct cpg_mssr_info r7s9210_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7742_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7743_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7745_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77470_cpg_mssr_info; +extern const struct cpg_mssr_info r8a774a1_cpg_mssr_info; +extern const struct cpg_mssr_info r8a774b1_cpg_mssr_info; +extern const struct cpg_mssr_info r8a774c0_cpg_mssr_info; +extern const struct cpg_mssr_info r8a774e1_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7790_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7791_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7792_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7794_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7795_cpg_mssr_info; +extern const struct cpg_mssr_info r8a7796_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77965_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77970_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77980_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77990_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77995_cpg_mssr_info; +extern const struct cpg_mssr_info r8a779a0_cpg_mssr_info; +extern const struct cpg_mssr_info r8a779f0_cpg_mssr_info; +extern const struct cpg_mssr_info r8a779g0_cpg_mssr_info; +extern const struct cpg_mssr_info r8a779h0_cpg_mssr_info; +extern const struct cpg_mssr_info r9a09g077_cpg_mssr_info; + +void __init cpg_mssr_early_init(struct device_node *np, + const struct cpg_mssr_info *info); + + /* + * Helpers for fixing up clock tables depending on SoC revision + */ +extern void mssr_mod_nullify(struct mssr_mod_clk *mod_clks, + unsigned int num_mod_clks, + const unsigned int *clks, unsigned int n); +#endif diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c new file mode 100644 index 000000000..975b705d3 --- /dev/null +++ b/drivers/clk/renesas/rzg2l-cpg.c @@ -0,0 +1,2246 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/G2L Clock Pulse Generator + * + * Copyright (C) 2021 Renesas Electronics Corp. + * + * Based on renesas-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2013 Ideas On Board SPRL + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/atomic.h> +#include <linux/bitfield.h> +#include <linux/cleanup.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/debugfs.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/init.h> +#include <linux/iopoll.h> +#include <linux/math64.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/pm_clock.h> +#include <linux/pm_domain.h> +#include <linux/reset-controller.h> +#include <linux/slab.h> +#include <linux/string_choices.h> +#include <linux/units.h> + +#include <dt-bindings/clock/renesas-cpg-mssr.h> + +#include "rzg2l-cpg.h" + +#ifdef DEBUG +#define WARN_DEBUG(x) WARN_ON(x) +#else +#define WARN_DEBUG(x) do { } while (0) +#endif + +#define GET_SHIFT(val) ((val >> 12) & 0xff) +#define GET_WIDTH(val) ((val >> 8) & 0xf) + +#define KDIV(val) ((s16)FIELD_GET(GENMASK(31, 16), val)) +#define MDIV(val) FIELD_GET(GENMASK(15, 6), val) +#define PDIV(val) FIELD_GET(GENMASK(5, 0), val) +#define SDIV(val) FIELD_GET(GENMASK(2, 0), val) + +#define RZG3S_DIV_P GENMASK(28, 26) +#define RZG3S_DIV_M GENMASK(25, 22) +#define RZG3S_DIV_NI GENMASK(21, 13) +#define RZG3S_DIV_NF GENMASK(12, 1) +#define RZG3S_SEL_PLL BIT(0) + +#define CPG_PLL1_SETTING_OFFSET(conf) FIELD_GET(GENMASK(11, 0), (conf)) +#define CPG_PLL_STBY_OFFSET(conf) FIELD_GET(GENMASK(23, 12), (conf)) +#define CPG_PLL_STBY_RESETB_WEN BIT(16) +#define CPG_PLL_STBY_RESETB BIT(0) +#define CPG_PLL_CLK1_OFFSET(x) (CPG_PLL_STBY_OFFSET(x) + 0x4) +#define CPG_PLL_CLK2_OFFSET(x) (CPG_PLL_STBY_OFFSET(x) + 0x8) +#define CPG_PLL_MON_OFFSET(x) (CPG_PLL_STBY_OFFSET(x) + 0xc) +#define CPG_PLL_MON_LOCK BIT(4) +#define CPG_PLL_MON_RESETB BIT(0) + +#define CLK_ON_R(reg) (reg) +#define CLK_MON_R(reg) (0x180 + (reg)) +#define CLK_RST_R(reg) (reg) +#define CLK_MRST_R(reg) (0x180 + (reg)) + +#define GET_REG_OFFSET(val) ((val >> 20) & 0xfff) + +#define CPG_WEN_BIT BIT(16) + +#define MAX_VCLK_FREQ (148500000) + +#define MSTOP_OFF(conf) FIELD_GET(GENMASK(31, 16), (conf)) +#define MSTOP_MASK(conf) FIELD_GET(GENMASK(15, 0), (conf)) + +#define PLL5_FOUTVCO_MIN 800000000 +#define PLL5_FOUTVCO_MAX 3000000000 +#define PLL5_POSTDIV_MIN 1 +#define PLL5_POSTDIV_MAX 7 +#define PLL5_REFDIV_MIN 1 +#define PLL5_REFDIV_MAX 2 +#define PLL5_INTIN_MIN 20 +#define PLL5_INTIN_MAX 320 +#define PLL5_HSCLK_MIN 10000000 +#define PLL5_HSCLK_MAX 187500000 + +/** + * struct clk_hw_data - clock hardware data + * @hw: clock hw + * @conf: clock configuration (register offset, shift, width) + * @sconf: clock status configuration (register offset, shift, width) + * @priv: CPG private data structure + */ +struct clk_hw_data { + struct clk_hw hw; + u32 conf; + u32 sconf; + struct rzg2l_cpg_priv *priv; +}; + +#define to_clk_hw_data(_hw) container_of(_hw, struct clk_hw_data, hw) + +/** + * struct sd_mux_hw_data - SD MUX clock hardware data + * @hw_data: clock hw data + * @mtable: clock mux table + */ +struct sd_mux_hw_data { + struct clk_hw_data hw_data; + const u32 *mtable; +}; + +#define to_sd_mux_hw_data(_hw) container_of(_hw, struct sd_mux_hw_data, hw_data) + +/** + * struct div_hw_data - divider clock hardware data + * @hw_data: clock hw data + * @dtable: pointer to divider table + * @invalid_rate: invalid rate for divider + * @max_rate: maximum rate for divider + * @width: divider width + */ +struct div_hw_data { + struct clk_hw_data hw_data; + const struct clk_div_table *dtable; + unsigned long invalid_rate; + unsigned long max_rate; + u32 width; +}; + +#define to_div_hw_data(_hw) container_of(_hw, struct div_hw_data, hw_data) + +struct rzg2l_pll5_param { + u32 pl5_fracin; + u16 pl5_intin; + u8 pl5_refdiv; + u8 pl5_postdiv1; + u8 pl5_postdiv2; + u8 pl5_spread; +}; + +/* PLL5 output will be used for DPI or MIPI-DSI */ +static int dsi_div_target = PLL5_TARGET_DPI; + +/* Required division ratio for MIPI D-PHY clock depending on number of lanes and bpp. */ +static u8 dsi_div_ab_desired; + +struct rzg2l_pll5_mux_dsi_div_param { + u8 clksrc; + u8 dsi_div_a; + u8 dsi_div_b; +}; + +/** + * struct rzg2l_cpg_priv - Clock Pulse Generator Private Data + * + * @rcdev: Reset controller entity + * @dev: CPG device + * @base: CPG register block base address + * @rmw_lock: protects register accesses + * @clks: Array containing all Core and Module Clocks + * @num_core_clks: Number of Core Clocks in clks[] + * @num_mod_clks: Number of Module Clocks in clks[] + * @num_resets: Number of Module Resets in info->resets[] + * @last_dt_core_clk: ID of the last Core Clock exported to DT + * @info: Pointer to platform data + * @genpd: PM domain + * @mux_dsi_div_params: pll5 mux and dsi div parameters + */ +struct rzg2l_cpg_priv { + struct reset_controller_dev rcdev; + struct device *dev; + void __iomem *base; + spinlock_t rmw_lock; + + struct clk **clks; + unsigned int num_core_clks; + unsigned int num_mod_clks; + unsigned int num_resets; + unsigned int last_dt_core_clk; + + const struct rzg2l_cpg_info *info; + + struct generic_pm_domain genpd; + + struct rzg2l_pll5_mux_dsi_div_param mux_dsi_div_params; +}; + +static inline u8 rzg2l_cpg_div_ab(u8 a, u8 b) +{ + return (b + 1) << a; +} + +static void rzg2l_cpg_del_clk_provider(void *data) +{ + of_clk_del_provider(data); +} + +/* Must be called in atomic context. */ +static int rzg2l_cpg_wait_clk_update_done(void __iomem *base, u32 conf) +{ + u32 bitmask = GENMASK(GET_WIDTH(conf) - 1, 0) << GET_SHIFT(conf); + u32 off = GET_REG_OFFSET(conf); + u32 val; + + return readl_poll_timeout_atomic(base + off, val, !(val & bitmask), 10, 200); +} + +int rzg2l_cpg_sd_clk_mux_notifier(struct notifier_block *nb, unsigned long event, + void *data) +{ + struct clk_notifier_data *cnd = data; + struct clk_hw *hw = __clk_get_hw(cnd->clk); + struct clk_hw_data *clk_hw_data = to_clk_hw_data(hw); + struct rzg2l_cpg_priv *priv = clk_hw_data->priv; + u32 off = GET_REG_OFFSET(clk_hw_data->conf); + u32 shift = GET_SHIFT(clk_hw_data->conf); + const u32 clk_src_266 = 3; + unsigned long flags; + int ret; + + if (event != PRE_RATE_CHANGE || (cnd->new_rate / MEGA == 266)) + return NOTIFY_DONE; + + spin_lock_irqsave(&priv->rmw_lock, flags); + + /* + * As per the HW manual, we should not directly switch from 533 MHz to + * 400 MHz and vice versa. To change the setting from 2’b01 (533 MHz) + * to 2’b10 (400 MHz) or vice versa, Switch to 2’b11 (266 MHz) first, + * and then switch to the target setting (2’b01 (533 MHz) or 2’b10 + * (400 MHz)). + * Setting a value of '0' to the SEL_SDHI0_SET or SEL_SDHI1_SET clock + * switching register is prohibited. + * The clock mux has 3 input clocks(533 MHz, 400 MHz, and 266 MHz), and + * the index to value mapping is done by adding 1 to the index. + */ + + writel((CPG_WEN_BIT | clk_src_266) << shift, priv->base + off); + + /* Wait for the update done. */ + ret = rzg2l_cpg_wait_clk_update_done(priv->base, clk_hw_data->sconf); + + spin_unlock_irqrestore(&priv->rmw_lock, flags); + + if (ret) + dev_err(priv->dev, "failed to switch to safe clk source\n"); + + return notifier_from_errno(ret); +} + +int rzg3s_cpg_div_clk_notifier(struct notifier_block *nb, unsigned long event, + void *data) +{ + struct clk_notifier_data *cnd = data; + struct clk_hw *hw = __clk_get_hw(cnd->clk); + struct clk_hw_data *clk_hw_data = to_clk_hw_data(hw); + struct div_hw_data *div_hw_data = to_div_hw_data(clk_hw_data); + struct rzg2l_cpg_priv *priv = clk_hw_data->priv; + u32 off = GET_REG_OFFSET(clk_hw_data->conf); + u32 shift = GET_SHIFT(clk_hw_data->conf); + unsigned long flags; + int ret = 0; + u32 val; + + if (event != PRE_RATE_CHANGE || !div_hw_data->invalid_rate || + div_hw_data->invalid_rate % cnd->new_rate) + return NOTIFY_DONE; + + spin_lock_irqsave(&priv->rmw_lock, flags); + + val = readl(priv->base + off); + val >>= shift; + val &= GENMASK(GET_WIDTH(clk_hw_data->conf) - 1, 0); + + /* + * There are different constraints for the user of this notifiers as follows: + * 1/ SD div cannot be 1 (val == 0) if parent rate is 800MHz + * 2/ OCTA / SPI div cannot be 1 (val == 0) if parent rate is 400MHz + * As SD can have only one parent having 800MHz and OCTA div can have + * only one parent having 400MHz we took into account the parent rate + * at the beginning of function (by checking invalid_rate % new_rate). + * Now it is time to check the hardware divider and update it accordingly. + */ + if (!val) { + writel((CPG_WEN_BIT | 1) << shift, priv->base + off); + /* Wait for the update done. */ + ret = rzg2l_cpg_wait_clk_update_done(priv->base, clk_hw_data->sconf); + } + + spin_unlock_irqrestore(&priv->rmw_lock, flags); + + if (ret) + dev_err(priv->dev, "Failed to downgrade the div\n"); + + return notifier_from_errno(ret); +} + +static int rzg2l_register_notifier(struct clk_hw *hw, const struct cpg_core_clk *core, + struct rzg2l_cpg_priv *priv) +{ + struct notifier_block *nb; + + if (!core->notifier) + return 0; + + nb = devm_kzalloc(priv->dev, sizeof(*nb), GFP_KERNEL); + if (!nb) + return -ENOMEM; + + nb->notifier_call = core->notifier; + + return clk_notifier_register(hw->clk, nb); +} + +static unsigned long rzg3s_div_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_hw_data *clk_hw_data = to_clk_hw_data(hw); + struct div_hw_data *div_hw_data = to_div_hw_data(clk_hw_data); + struct rzg2l_cpg_priv *priv = clk_hw_data->priv; + u32 val; + + val = readl(priv->base + GET_REG_OFFSET(clk_hw_data->conf)); + val >>= GET_SHIFT(clk_hw_data->conf); + val &= GENMASK(GET_WIDTH(clk_hw_data->conf) - 1, 0); + + return divider_recalc_rate(hw, parent_rate, val, div_hw_data->dtable, + CLK_DIVIDER_ROUND_CLOSEST, div_hw_data->width); +} + +static int rzg3s_div_clk_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) +{ + struct clk_hw_data *clk_hw_data = to_clk_hw_data(hw); + struct div_hw_data *div_hw_data = to_div_hw_data(clk_hw_data); + + if (div_hw_data->max_rate && req->rate > div_hw_data->max_rate) + req->rate = div_hw_data->max_rate; + + return divider_determine_rate(hw, req, div_hw_data->dtable, div_hw_data->width, + CLK_DIVIDER_ROUND_CLOSEST); +} + +static int rzg3s_div_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_hw_data *clk_hw_data = to_clk_hw_data(hw); + struct div_hw_data *div_hw_data = to_div_hw_data(clk_hw_data); + struct rzg2l_cpg_priv *priv = clk_hw_data->priv; + u32 off = GET_REG_OFFSET(clk_hw_data->conf); + u32 shift = GET_SHIFT(clk_hw_data->conf); + unsigned long flags; + u32 val; + int ret; + + val = divider_get_val(rate, parent_rate, div_hw_data->dtable, div_hw_data->width, + CLK_DIVIDER_ROUND_CLOSEST); + + spin_lock_irqsave(&priv->rmw_lock, flags); + writel((CPG_WEN_BIT | val) << shift, priv->base + off); + /* Wait for the update done. */ + ret = rzg2l_cpg_wait_clk_update_done(priv->base, clk_hw_data->sconf); + spin_unlock_irqrestore(&priv->rmw_lock, flags); + + return ret; +} + +static const struct clk_ops rzg3s_div_clk_ops = { + .recalc_rate = rzg3s_div_clk_recalc_rate, + .determine_rate = rzg3s_div_clk_determine_rate, + .set_rate = rzg3s_div_clk_set_rate, +}; + +static struct clk * __init +rzg3s_cpg_div_clk_register(const struct cpg_core_clk *core, struct rzg2l_cpg_priv *priv) +{ + struct div_hw_data *div_hw_data; + struct clk_init_data init = {}; + const struct clk_div_table *clkt; + struct clk_hw *clk_hw; + const struct clk *parent; + const char *parent_name; + u32 max = 0; + int ret; + + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + parent_name = __clk_get_name(parent); + + div_hw_data = devm_kzalloc(priv->dev, sizeof(*div_hw_data), GFP_KERNEL); + if (!div_hw_data) + return ERR_PTR(-ENOMEM); + + init.name = core->name; + init.flags = core->flag; + init.ops = &rzg3s_div_clk_ops; + init.parent_names = &parent_name; + init.num_parents = 1; + + /* Get the maximum divider to retrieve div width. */ + for (clkt = core->dtable; clkt->div; clkt++) { + if (max < clkt->div) + max = clkt->div; + } + + div_hw_data->hw_data.priv = priv; + div_hw_data->hw_data.conf = core->conf; + div_hw_data->hw_data.sconf = core->sconf; + div_hw_data->dtable = core->dtable; + div_hw_data->invalid_rate = core->invalid_rate; + div_hw_data->max_rate = core->max_rate; + div_hw_data->width = fls(max) - 1; + + clk_hw = &div_hw_data->hw_data.hw; + clk_hw->init = &init; + + ret = devm_clk_hw_register(priv->dev, clk_hw); + if (ret) + return ERR_PTR(ret); + + ret = rzg2l_register_notifier(clk_hw, core, priv); + if (ret) { + dev_err(priv->dev, "Failed to register notifier for %s\n", + core->name); + return ERR_PTR(ret); + } + + return clk_hw->clk; +} + +static struct clk * __init +rzg2l_cpg_div_clk_register(const struct cpg_core_clk *core, + struct rzg2l_cpg_priv *priv) +{ + void __iomem *base = priv->base; + struct device *dev = priv->dev; + const struct clk *parent; + const char *parent_name; + struct clk_hw *clk_hw; + + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + parent_name = __clk_get_name(parent); + + if (core->dtable) + clk_hw = clk_hw_register_divider_table(dev, core->name, + parent_name, 0, + base + GET_REG_OFFSET(core->conf), + GET_SHIFT(core->conf), + GET_WIDTH(core->conf), + core->flag, + core->dtable, + &priv->rmw_lock); + else + clk_hw = clk_hw_register_divider(dev, core->name, + parent_name, 0, + base + GET_REG_OFFSET(core->conf), + GET_SHIFT(core->conf), + GET_WIDTH(core->conf), + core->flag, &priv->rmw_lock); + + if (IS_ERR(clk_hw)) + return ERR_CAST(clk_hw); + + return clk_hw->clk; +} + +static struct clk * __init +rzg2l_cpg_mux_clk_register(const struct cpg_core_clk *core, + struct rzg2l_cpg_priv *priv) +{ + const struct clk_hw *clk_hw; + + clk_hw = devm_clk_hw_register_mux(priv->dev, core->name, + core->parent_names, core->num_parents, + core->flag, + priv->base + GET_REG_OFFSET(core->conf), + GET_SHIFT(core->conf), + GET_WIDTH(core->conf), + core->mux_flags, &priv->rmw_lock); + if (IS_ERR(clk_hw)) + return ERR_CAST(clk_hw); + + return clk_hw->clk; +} + +static int rzg2l_cpg_sd_clk_mux_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_hw_data *clk_hw_data = to_clk_hw_data(hw); + struct sd_mux_hw_data *sd_mux_hw_data = to_sd_mux_hw_data(clk_hw_data); + struct rzg2l_cpg_priv *priv = clk_hw_data->priv; + u32 off = GET_REG_OFFSET(clk_hw_data->conf); + u32 shift = GET_SHIFT(clk_hw_data->conf); + unsigned long flags; + u32 val; + int ret; + + val = clk_mux_index_to_val(sd_mux_hw_data->mtable, CLK_MUX_ROUND_CLOSEST, index); + + spin_lock_irqsave(&priv->rmw_lock, flags); + + writel((CPG_WEN_BIT | val) << shift, priv->base + off); + + /* Wait for the update done. */ + ret = rzg2l_cpg_wait_clk_update_done(priv->base, clk_hw_data->sconf); + + spin_unlock_irqrestore(&priv->rmw_lock, flags); + + if (ret) + dev_err(priv->dev, "Failed to switch parent\n"); + + return ret; +} + +static u8 rzg2l_cpg_sd_clk_mux_get_parent(struct clk_hw *hw) +{ + struct clk_hw_data *clk_hw_data = to_clk_hw_data(hw); + struct sd_mux_hw_data *sd_mux_hw_data = to_sd_mux_hw_data(clk_hw_data); + struct rzg2l_cpg_priv *priv = clk_hw_data->priv; + u32 val; + + val = readl(priv->base + GET_REG_OFFSET(clk_hw_data->conf)); + val >>= GET_SHIFT(clk_hw_data->conf); + val &= GENMASK(GET_WIDTH(clk_hw_data->conf) - 1, 0); + + return clk_mux_val_to_index(hw, sd_mux_hw_data->mtable, CLK_MUX_ROUND_CLOSEST, val); +} + +static const struct clk_ops rzg2l_cpg_sd_clk_mux_ops = { + .determine_rate = __clk_mux_determine_rate_closest, + .set_parent = rzg2l_cpg_sd_clk_mux_set_parent, + .get_parent = rzg2l_cpg_sd_clk_mux_get_parent, +}; + +static struct clk * __init +rzg2l_cpg_sd_mux_clk_register(const struct cpg_core_clk *core, + struct rzg2l_cpg_priv *priv) +{ + struct sd_mux_hw_data *sd_mux_hw_data; + struct clk_init_data init; + struct clk_hw *clk_hw; + int ret; + + sd_mux_hw_data = devm_kzalloc(priv->dev, sizeof(*sd_mux_hw_data), GFP_KERNEL); + if (!sd_mux_hw_data) + return ERR_PTR(-ENOMEM); + + sd_mux_hw_data->hw_data.priv = priv; + sd_mux_hw_data->hw_data.conf = core->conf; + sd_mux_hw_data->hw_data.sconf = core->sconf; + sd_mux_hw_data->mtable = core->mtable; + + init.name = core->name; + init.ops = &rzg2l_cpg_sd_clk_mux_ops; + init.flags = core->flag; + init.num_parents = core->num_parents; + init.parent_names = core->parent_names; + + clk_hw = &sd_mux_hw_data->hw_data.hw; + clk_hw->init = &init; + + ret = devm_clk_hw_register(priv->dev, clk_hw); + if (ret) + return ERR_PTR(ret); + + ret = rzg2l_register_notifier(clk_hw, core, priv); + if (ret) { + dev_err(priv->dev, "Failed to register notifier for %s\n", + core->name); + return ERR_PTR(ret); + } + + return clk_hw->clk; +} + +/* + * VCO-->[POSTDIV1,2]--FOUTPOSTDIV--------------->| + * | |-->[1/(DSI DIV A * B)]--> MIPI_DSI_VCLK + * |-->[1/2]--FOUT1PH0-->| + * | + * |------->[1/16]--------------------------------> hsclk (MIPI-PHY) + */ +static unsigned long +rzg2l_cpg_get_foutpostdiv_rate(struct rzg2l_cpg_priv *priv, + struct rzg2l_pll5_param *params, + unsigned long rate) +{ + const u32 extal_hz = EXTAL_FREQ_IN_MEGA_HZ * MEGA; + unsigned long foutpostdiv_rate; + unsigned int a, b, odd; + unsigned long hsclk; + u8 dsi_div_ab_calc; + u64 foutvco_rate; + + if (dsi_div_target == PLL5_TARGET_DSI) { + /* Check hsclk */ + hsclk = rate * dsi_div_ab_desired / 16; + if (hsclk < PLL5_HSCLK_MIN || hsclk > PLL5_HSCLK_MAX) { + dev_err(priv->dev, "hsclk out of range\n"); + return 0; + } + + /* Determine the correct clock source based on even/odd of the divider */ + odd = dsi_div_ab_desired & 1; + if (odd) { + priv->mux_dsi_div_params.clksrc = 0; /* FOUTPOSTDIV */ + dsi_div_ab_calc = dsi_div_ab_desired; + } else { + priv->mux_dsi_div_params.clksrc = 1; /* FOUT1PH0 */ + dsi_div_ab_calc = dsi_div_ab_desired / 2; + } + + /* Calculate the DIV_DSI_A and DIV_DSI_B based on the desired divider */ + for (a = 0; a < 4; a++) { + /* FOUT1PH0: Max output of DIV_DSI_A is 750MHz so at least 1/2 to be safe */ + if (!odd && a == 0) + continue; + + /* FOUTPOSTDIV: DIV_DSI_A must always be 1/1 */ + if (odd && a != 0) + break; + + for (b = 0; b < 16; b++) { + /* FOUTPOSTDIV: DIV_DSI_B must always be odd divider 1/(b+1) */ + if (odd && b & 1) + continue; + + if (rzg2l_cpg_div_ab(a, b) == dsi_div_ab_calc) { + priv->mux_dsi_div_params.dsi_div_a = a; + priv->mux_dsi_div_params.dsi_div_b = b; + goto calc_pll_clk; + } + } + } + + dev_err(priv->dev, "Failed to calculate DIV_DSI_A,B\n"); + + return 0; + } else if (dsi_div_target == PLL5_TARGET_DPI) { + /* Fixed settings for DPI */ + priv->mux_dsi_div_params.clksrc = 0; + priv->mux_dsi_div_params.dsi_div_a = 3; /* Divided by 8 */ + priv->mux_dsi_div_params.dsi_div_b = 0; /* Divided by 1 */ + dsi_div_ab_desired = rzg2l_cpg_div_ab(priv->mux_dsi_div_params.dsi_div_a, + priv->mux_dsi_div_params.dsi_div_b); + } + +calc_pll_clk: + /* PLL5 (MIPI_DSI_PLLCLK) = VCO / POSTDIV1 / POSTDIV2 */ + for (params->pl5_postdiv1 = PLL5_POSTDIV_MIN; + params->pl5_postdiv1 <= PLL5_POSTDIV_MAX; + params->pl5_postdiv1++) { + for (params->pl5_postdiv2 = PLL5_POSTDIV_MIN; + params->pl5_postdiv2 <= PLL5_POSTDIV_MAX; + params->pl5_postdiv2++) { + foutvco_rate = rate * params->pl5_postdiv1 * params->pl5_postdiv2 * + dsi_div_ab_desired; + if (foutvco_rate <= PLL5_FOUTVCO_MIN || foutvco_rate >= PLL5_FOUTVCO_MAX) + continue; + + for (params->pl5_refdiv = PLL5_REFDIV_MIN; + params->pl5_refdiv <= PLL5_REFDIV_MAX; + params->pl5_refdiv++) { + u32 rem; + + params->pl5_intin = div_u64_rem(foutvco_rate * params->pl5_refdiv, + extal_hz, &rem); + + if (params->pl5_intin < PLL5_INTIN_MIN || + params->pl5_intin > PLL5_INTIN_MAX) + continue; + + params->pl5_fracin = div_u64((u64)rem << 24, extal_hz); + + goto clk_valid; + } + } + } + + dev_err(priv->dev, "Failed to calculate PLL5 settings\n"); + return 0; + +clk_valid: + params->pl5_spread = 0x16; + + foutvco_rate = div_u64(mul_u32_u32(EXTAL_FREQ_IN_MEGA_HZ * MEGA, + (params->pl5_intin << 24) + params->pl5_fracin), + params->pl5_refdiv) >> 24; + foutpostdiv_rate = DIV_U64_ROUND_CLOSEST(foutvco_rate, + params->pl5_postdiv1 * params->pl5_postdiv2); + + return foutpostdiv_rate; +} + +struct dsi_div_hw_data { + struct clk_hw hw; + u32 conf; + unsigned long rate; + struct rzg2l_cpg_priv *priv; +}; + +#define to_dsi_div_hw_data(_hw) container_of(_hw, struct dsi_div_hw_data, hw) + +static unsigned long rzg2l_cpg_dsi_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct dsi_div_hw_data *dsi_div = to_dsi_div_hw_data(hw); + unsigned long rate = dsi_div->rate; + + if (!rate) + rate = parent_rate; + + return rate; +} + +static unsigned long rzg2l_cpg_get_vclk_parent_rate(struct clk_hw *hw, + unsigned long rate) +{ + struct dsi_div_hw_data *dsi_div = to_dsi_div_hw_data(hw); + struct rzg2l_cpg_priv *priv = dsi_div->priv; + struct rzg2l_pll5_param params; + unsigned long parent_rate; + + parent_rate = rzg2l_cpg_get_foutpostdiv_rate(priv, ¶ms, rate); + + if (priv->mux_dsi_div_params.clksrc) + parent_rate /= 2; + + return parent_rate; +} + +static int rzg2l_cpg_dsi_div_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + if (req->rate > MAX_VCLK_FREQ) + req->rate = MAX_VCLK_FREQ; + + req->best_parent_rate = rzg2l_cpg_get_vclk_parent_rate(hw, req->rate); + + if (!req->best_parent_rate) + return -EINVAL; + + return 0; +} + +void rzg2l_cpg_dsi_div_set_divider(u8 divider, int target) +{ + dsi_div_ab_desired = divider; + dsi_div_target = target; +} +EXPORT_SYMBOL_GPL(rzg2l_cpg_dsi_div_set_divider); + +static int rzg2l_cpg_dsi_div_set_rate(struct clk_hw *hw, + unsigned long rate, + unsigned long parent_rate) +{ + struct dsi_div_hw_data *dsi_div = to_dsi_div_hw_data(hw); + struct rzg2l_cpg_priv *priv = dsi_div->priv; + + /* + * MUX -->DIV_DSI_{A,B} -->M3 -->VCLK + * + * Based on the dot clock, the DSI divider clock sets the divider value, + * calculates the pll parameters for generating FOUTPOSTDIV and the clk + * source for the MUX and propagates that info to the parents. + */ + + if (!rate || rate > MAX_VCLK_FREQ) + return -EINVAL; + + dsi_div->rate = rate; + writel(CPG_PL5_SDIV_DIV_DSI_A_WEN | CPG_PL5_SDIV_DIV_DSI_B_WEN | + (priv->mux_dsi_div_params.dsi_div_a << 0) | + (priv->mux_dsi_div_params.dsi_div_b << 8), + priv->base + CPG_PL5_SDIV); + + return 0; +} + +static const struct clk_ops rzg2l_cpg_dsi_div_ops = { + .recalc_rate = rzg2l_cpg_dsi_div_recalc_rate, + .determine_rate = rzg2l_cpg_dsi_div_determine_rate, + .set_rate = rzg2l_cpg_dsi_div_set_rate, +}; + +static struct clk * __init +rzg2l_cpg_dsi_div_clk_register(const struct cpg_core_clk *core, + struct rzg2l_cpg_priv *priv) +{ + struct dsi_div_hw_data *clk_hw_data; + const struct clk *parent; + const char *parent_name; + struct clk_init_data init; + struct clk_hw *clk_hw; + int ret; + + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + clk_hw_data = devm_kzalloc(priv->dev, sizeof(*clk_hw_data), GFP_KERNEL); + if (!clk_hw_data) + return ERR_PTR(-ENOMEM); + + clk_hw_data->priv = priv; + + parent_name = __clk_get_name(parent); + init.name = core->name; + init.ops = &rzg2l_cpg_dsi_div_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = &parent_name; + init.num_parents = 1; + + clk_hw = &clk_hw_data->hw; + clk_hw->init = &init; + + ret = devm_clk_hw_register(priv->dev, clk_hw); + if (ret) + return ERR_PTR(ret); + + return clk_hw->clk; +} + +struct pll5_mux_hw_data { + struct clk_hw hw; + u32 conf; + unsigned long rate; + struct rzg2l_cpg_priv *priv; +}; + +#define to_pll5_mux_hw_data(_hw) container_of(_hw, struct pll5_mux_hw_data, hw) + +static int rzg2l_cpg_pll5_4_clk_mux_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct clk_hw *parent; + struct pll5_mux_hw_data *hwdata = to_pll5_mux_hw_data(hw); + struct rzg2l_cpg_priv *priv = hwdata->priv; + + parent = clk_hw_get_parent_by_index(hw, priv->mux_dsi_div_params.clksrc); + req->best_parent_hw = parent; + req->best_parent_rate = req->rate; + + return 0; +} + +static int rzg2l_cpg_pll5_4_clk_mux_set_parent(struct clk_hw *hw, u8 index) +{ + struct pll5_mux_hw_data *hwdata = to_pll5_mux_hw_data(hw); + struct rzg2l_cpg_priv *priv = hwdata->priv; + + /* + * FOUTPOSTDIV--->| + * | | -->MUX -->DIV_DSIA_B -->M3 -->VCLK + * |--FOUT1PH0-->| + * + * Based on the dot clock, the DSI divider clock calculates the parent + * rate and clk source for the MUX. It propagates that info to + * pll5_4_clk_mux which sets the clock source for DSI divider clock. + */ + + writel(CPG_OTHERFUNC1_REG_RES0_ON_WEN | index, + priv->base + CPG_OTHERFUNC1_REG); + + return 0; +} + +static u8 rzg2l_cpg_pll5_4_clk_mux_get_parent(struct clk_hw *hw) +{ + struct pll5_mux_hw_data *hwdata = to_pll5_mux_hw_data(hw); + struct rzg2l_cpg_priv *priv = hwdata->priv; + + return readl(priv->base + GET_REG_OFFSET(hwdata->conf)); +} + +static const struct clk_ops rzg2l_cpg_pll5_4_clk_mux_ops = { + .determine_rate = rzg2l_cpg_pll5_4_clk_mux_determine_rate, + .set_parent = rzg2l_cpg_pll5_4_clk_mux_set_parent, + .get_parent = rzg2l_cpg_pll5_4_clk_mux_get_parent, +}; + +static struct clk * __init +rzg2l_cpg_pll5_4_mux_clk_register(const struct cpg_core_clk *core, + struct rzg2l_cpg_priv *priv) +{ + struct pll5_mux_hw_data *clk_hw_data; + struct clk_init_data init; + struct clk_hw *clk_hw; + int ret; + + clk_hw_data = devm_kzalloc(priv->dev, sizeof(*clk_hw_data), GFP_KERNEL); + if (!clk_hw_data) + return ERR_PTR(-ENOMEM); + + clk_hw_data->priv = priv; + clk_hw_data->conf = core->conf; + + init.name = core->name; + init.ops = &rzg2l_cpg_pll5_4_clk_mux_ops; + init.flags = CLK_SET_RATE_PARENT; + init.num_parents = core->num_parents; + init.parent_names = core->parent_names; + + clk_hw = &clk_hw_data->hw; + clk_hw->init = &init; + + ret = devm_clk_hw_register(priv->dev, clk_hw); + if (ret) + return ERR_PTR(ret); + + return clk_hw->clk; +} + +struct sipll5 { + struct clk_hw hw; + u32 conf; + unsigned long foutpostdiv_rate; + struct rzg2l_cpg_priv *priv; +}; + +#define to_sipll5(_hw) container_of(_hw, struct sipll5, hw) + +static unsigned long rzg2l_cpg_sipll5_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct sipll5 *sipll5 = to_sipll5(hw); + unsigned long pll5_rate = sipll5->foutpostdiv_rate; + + if (!pll5_rate) + pll5_rate = parent_rate; + + return pll5_rate; +} + +static int rzg2l_cpg_sipll5_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + return 0; +} + +static int rzg2l_cpg_sipll5_set_rate(struct clk_hw *hw, + unsigned long rate, + unsigned long parent_rate) +{ + struct sipll5 *sipll5 = to_sipll5(hw); + struct rzg2l_cpg_priv *priv = sipll5->priv; + struct rzg2l_pll5_param params; + unsigned long vclk_rate; + int ret; + u32 val; + + /* + * OSC --> PLL5 --> FOUTPOSTDIV-->| + * | | -->MUX -->DIV_DSIA_B -->M3 -->VCLK + * |--FOUT1PH0-->| + * + * Based on the dot clock, the DSI divider clock calculates the parent + * rate and the pll5 parameters for generating FOUTPOSTDIV. It propagates + * that info to sipll5 which sets parameters for generating FOUTPOSTDIV. + * + * OSC --> PLL5 --> FOUTPOSTDIV + */ + + if (!rate) + return -EINVAL; + + vclk_rate = rate / dsi_div_ab_desired; + sipll5->foutpostdiv_rate = + rzg2l_cpg_get_foutpostdiv_rate(priv, ¶ms, vclk_rate); + + /* Put PLL5 into standby mode */ + writel(CPG_SIPLL5_STBY_RESETB_WEN, priv->base + CPG_SIPLL5_STBY); + ret = readl_poll_timeout(priv->base + CPG_SIPLL5_MON, val, + !(val & CPG_SIPLL5_MON_PLL5_LOCK), 100, 250000); + if (ret) { + dev_err(priv->dev, "failed to release pll5 lock\n"); + return ret; + } + + /* Output clock setting 1 */ + writel((params.pl5_postdiv1 << 0) | (params.pl5_postdiv2 << 4) | + (params.pl5_refdiv << 8), priv->base + CPG_SIPLL5_CLK1); + + /* Output clock setting, SSCG modulation value setting 3 */ + writel((params.pl5_fracin << 8), priv->base + CPG_SIPLL5_CLK3); + + /* Output clock setting 4 */ + writel(CPG_SIPLL5_CLK4_RESV_LSB | (params.pl5_intin << 16), + priv->base + CPG_SIPLL5_CLK4); + + /* Output clock setting 5 */ + writel(params.pl5_spread, priv->base + CPG_SIPLL5_CLK5); + + /* PLL normal mode setting */ + writel(CPG_SIPLL5_STBY_DOWNSPREAD_WEN | CPG_SIPLL5_STBY_SSCG_EN_WEN | + CPG_SIPLL5_STBY_RESETB_WEN | CPG_SIPLL5_STBY_RESETB, + priv->base + CPG_SIPLL5_STBY); + + /* PLL normal mode transition, output clock stability check */ + ret = readl_poll_timeout(priv->base + CPG_SIPLL5_MON, val, + (val & CPG_SIPLL5_MON_PLL5_LOCK), 100, 250000); + if (ret) { + dev_err(priv->dev, "failed to lock pll5\n"); + return ret; + } + + return 0; +} + +static const struct clk_ops rzg2l_cpg_sipll5_ops = { + .recalc_rate = rzg2l_cpg_sipll5_recalc_rate, + .determine_rate = rzg2l_cpg_sipll5_determine_rate, + .set_rate = rzg2l_cpg_sipll5_set_rate, +}; + +static struct clk * __init +rzg2l_cpg_sipll5_register(const struct cpg_core_clk *core, + struct rzg2l_cpg_priv *priv) +{ + const struct clk *parent; + struct clk_init_data init; + const char *parent_name; + struct sipll5 *sipll5; + struct clk_hw *clk_hw; + int ret; + + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + sipll5 = devm_kzalloc(priv->dev, sizeof(*sipll5), GFP_KERNEL); + if (!sipll5) + return ERR_PTR(-ENOMEM); + + init.name = core->name; + parent_name = __clk_get_name(parent); + init.ops = &rzg2l_cpg_sipll5_ops; + init.flags = 0; + init.parent_names = &parent_name; + init.num_parents = 1; + + sipll5->hw.init = &init; + sipll5->conf = core->conf; + sipll5->priv = priv; + + writel(CPG_SIPLL5_STBY_SSCG_EN_WEN | CPG_SIPLL5_STBY_RESETB_WEN | + CPG_SIPLL5_STBY_RESETB, priv->base + CPG_SIPLL5_STBY); + + clk_hw = &sipll5->hw; + clk_hw->init = &init; + + ret = devm_clk_hw_register(priv->dev, clk_hw); + if (ret) + return ERR_PTR(ret); + + rzg2l_cpg_dsi_div_set_divider(8, PLL5_TARGET_DPI); + + return clk_hw->clk; +} + +struct pll_clk { + struct clk_hw hw; + unsigned long default_rate; + unsigned int conf; + unsigned int type; + void __iomem *base; + struct rzg2l_cpg_priv *priv; +}; + +#define to_pll(_hw) container_of(_hw, struct pll_clk, hw) + +static unsigned long rzg2l_cpg_pll_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct pll_clk *pll_clk = to_pll(hw); + struct rzg2l_cpg_priv *priv = pll_clk->priv; + unsigned int val1, val2; + u64 rate; + + if (pll_clk->type != CLK_TYPE_SAM_PLL) + return parent_rate; + + val1 = readl(priv->base + CPG_PLL_CLK1_OFFSET(pll_clk->conf)); + val2 = readl(priv->base + CPG_PLL_CLK2_OFFSET(pll_clk->conf)); + + rate = mul_u64_u32_shr(parent_rate, (MDIV(val1) << 16) + KDIV(val1), + 16 + SDIV(val2)); + + return DIV_ROUND_CLOSEST_ULL(rate, PDIV(val1)); +} + +static const struct clk_ops rzg2l_cpg_pll_ops = { + .recalc_rate = rzg2l_cpg_pll_clk_recalc_rate, +}; + +static unsigned long rzg3s_cpg_pll_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct pll_clk *pll_clk = to_pll(hw); + struct rzg2l_cpg_priv *priv = pll_clk->priv; + u32 nir, nfr, mr, pr, val, setting; + u64 rate; + + setting = CPG_PLL1_SETTING_OFFSET(pll_clk->conf); + if (setting) { + val = readl(priv->base + setting); + if (val & RZG3S_SEL_PLL) + return pll_clk->default_rate; + } + + val = readl(priv->base + CPG_PLL_CLK1_OFFSET(pll_clk->conf)); + + pr = 1 << FIELD_GET(RZG3S_DIV_P, val); + /* Hardware interprets values higher than 8 as p = 16. */ + if (pr > 8) + pr = 16; + + mr = FIELD_GET(RZG3S_DIV_M, val) + 1; + nir = FIELD_GET(RZG3S_DIV_NI, val) + 1; + nfr = FIELD_GET(RZG3S_DIV_NF, val); + + rate = mul_u64_u32_shr(parent_rate, 4096 * nir + nfr, 12); + + return DIV_ROUND_CLOSEST_ULL(rate, (mr * pr)); +} + +static const struct clk_ops rzg3s_cpg_pll_ops = { + .recalc_rate = rzg3s_cpg_pll_clk_recalc_rate, +}; + +static struct clk * __init +rzg2l_cpg_pll_clk_register(const struct cpg_core_clk *core, + struct rzg2l_cpg_priv *priv, + const struct clk_ops *ops) +{ + struct device *dev = priv->dev; + const struct clk *parent; + struct clk_init_data init; + const char *parent_name; + struct pll_clk *pll_clk; + int ret; + + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + pll_clk = devm_kzalloc(dev, sizeof(*pll_clk), GFP_KERNEL); + if (!pll_clk) + return ERR_PTR(-ENOMEM); + + parent_name = __clk_get_name(parent); + init.name = core->name; + init.ops = ops; + init.flags = 0; + init.parent_names = &parent_name; + init.num_parents = 1; + + pll_clk->hw.init = &init; + pll_clk->conf = core->conf; + pll_clk->base = priv->base; + pll_clk->priv = priv; + pll_clk->type = core->type; + pll_clk->default_rate = core->default_rate; + + ret = devm_clk_hw_register(dev, &pll_clk->hw); + if (ret) + return ERR_PTR(ret); + + return pll_clk->hw.clk; +} + +static int rzg3l_cpg_pll_clk_is_enabled(struct clk_hw *hw) +{ + struct pll_clk *pll_clk = to_pll(hw); + struct rzg2l_cpg_priv *priv = pll_clk->priv; + u32 val = readl(priv->base + CPG_PLL_MON_OFFSET(pll_clk->conf)); + u32 mon_val = CPG_PLL_MON_RESETB | CPG_PLL_MON_LOCK; + + /* Ensure both RESETB and LOCK bits are set */ + return (mon_val == (val & mon_val)); +} + +static int rzg3l_cpg_pll_clk_endisable(struct clk_hw *hw, bool enable) +{ + struct pll_clk *pll_clk = to_pll(hw); + struct rzg2l_cpg_priv *priv = pll_clk->priv; + u32 mon_mask = CPG_PLL_MON_RESETB | CPG_PLL_MON_LOCK; + u32 val = CPG_PLL_STBY_RESETB_WEN; + u32 stby_offset, mon_offset; + u32 mon_val = 0; + int ret; + + stby_offset = CPG_PLL_STBY_OFFSET(pll_clk->conf); + mon_offset = CPG_PLL_MON_OFFSET(pll_clk->conf); + + if (enable) { + val |= CPG_PLL_STBY_RESETB; + mon_val = mon_mask; + } + + writel(val, priv->base + stby_offset); + + /* ensure PLL is in normal/standby mode */ + ret = readl_poll_timeout_atomic(priv->base + mon_offset, val, + mon_val == (val & mon_mask), 10, 100); + if (ret) + dev_err(priv->dev, "Failed to %s PLL 0x%x/%pC\n", enable ? + "enable" : "disable", stby_offset, hw->clk); + + return ret; +} + +static int rzg3l_cpg_pll_clk_enable(struct clk_hw *hw) +{ + if (rzg3l_cpg_pll_clk_is_enabled(hw)) + return 0; + + return rzg3l_cpg_pll_clk_endisable(hw, true); +} + +static const struct clk_ops rzg3l_cpg_pll_ops = { + .is_enabled = rzg3l_cpg_pll_clk_is_enabled, + .enable = rzg3l_cpg_pll_clk_enable, + .recalc_rate = rzg3s_cpg_pll_clk_recalc_rate, +}; + +static struct clk +*rzg2l_cpg_clk_src_twocell_get(struct of_phandle_args *clkspec, + void *data) +{ + unsigned int clkidx = clkspec->args[1]; + struct rzg2l_cpg_priv *priv = data; + struct device *dev = priv->dev; + const char *type; + struct clk *clk; + + switch (clkspec->args[0]) { + case CPG_CORE: + type = "core"; + if (clkidx > priv->last_dt_core_clk) { + dev_err(dev, "Invalid %s clock index %u\n", type, clkidx); + return ERR_PTR(-EINVAL); + } + clk = priv->clks[clkidx]; + break; + + case CPG_MOD: + type = "module"; + if (clkidx >= priv->num_mod_clks) { + dev_err(dev, "Invalid %s clock index %u\n", type, + clkidx); + return ERR_PTR(-EINVAL); + } + clk = priv->clks[priv->num_core_clks + clkidx]; + break; + + default: + dev_err(dev, "Invalid CPG clock type %u\n", clkspec->args[0]); + return ERR_PTR(-EINVAL); + } + + if (IS_ERR(clk)) + dev_err(dev, "Cannot get %s clock %u: %ld\n", type, clkidx, + PTR_ERR(clk)); + else + dev_dbg(dev, "clock (%u, %u) is %pC at %lu Hz\n", + clkspec->args[0], clkspec->args[1], clk, + clk_get_rate(clk)); + return clk; +} + +static void __init +rzg2l_cpg_register_core_clk(const struct cpg_core_clk *core, + const struct rzg2l_cpg_info *info, + struct rzg2l_cpg_priv *priv) +{ + struct clk *clk = ERR_PTR(-EOPNOTSUPP), *parent; + struct device *dev = priv->dev; + unsigned int id = core->id, div = core->div; + const char *parent_name; + struct clk_hw *clk_hw; + + WARN_DEBUG(id >= priv->num_core_clks); + WARN_DEBUG(PTR_ERR(priv->clks[id]) != -ENOENT); + + switch (core->type) { + case CLK_TYPE_IN: + clk = of_clk_get_by_name(priv->dev->of_node, core->name); + break; + case CLK_TYPE_FF: + WARN_DEBUG(core->parent >= priv->num_core_clks); + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) { + clk = parent; + goto fail; + } + + parent_name = __clk_get_name(parent); + clk_hw = devm_clk_hw_register_fixed_factor(dev, core->name, parent_name, + CLK_SET_RATE_PARENT, + core->mult, div); + if (IS_ERR(clk_hw)) + clk = ERR_CAST(clk_hw); + else + clk = clk_hw->clk; + break; + case CLK_TYPE_SAM_PLL: + clk = rzg2l_cpg_pll_clk_register(core, priv, &rzg2l_cpg_pll_ops); + break; + case CLK_TYPE_G3L_PLL: + clk = rzg2l_cpg_pll_clk_register(core, priv, &rzg3l_cpg_pll_ops); + break; + case CLK_TYPE_G3S_PLL: + clk = rzg2l_cpg_pll_clk_register(core, priv, &rzg3s_cpg_pll_ops); + break; + case CLK_TYPE_SIPLL5: + clk = rzg2l_cpg_sipll5_register(core, priv); + break; + case CLK_TYPE_DIV: + clk = rzg2l_cpg_div_clk_register(core, priv); + break; + case CLK_TYPE_G3S_DIV: + clk = rzg3s_cpg_div_clk_register(core, priv); + break; + case CLK_TYPE_MUX: + clk = rzg2l_cpg_mux_clk_register(core, priv); + break; + case CLK_TYPE_SD_MUX: + clk = rzg2l_cpg_sd_mux_clk_register(core, priv); + break; + case CLK_TYPE_PLL5_4_MUX: + clk = rzg2l_cpg_pll5_4_mux_clk_register(core, priv); + break; + case CLK_TYPE_DSI_DIV: + clk = rzg2l_cpg_dsi_div_clk_register(core, priv); + break; + default: + goto fail; + } + + if (IS_ERR(clk)) + goto fail; + + dev_dbg(dev, "Core clock %pC at %lu Hz\n", clk, clk_get_rate(clk)); + priv->clks[id] = clk; + return; + +fail: + dev_err(dev, "Failed to register %s clock %s: %ld\n", "core", + core->name, PTR_ERR(clk)); +} + +/** + * struct mstop - MSTOP specific data structure + * @usecnt: Usage counter for MSTOP settings (when zero the settings + * are applied to register) + * @conf: MSTOP configuration (register offset, setup bits) + */ +struct mstop { + atomic_t usecnt; + u32 conf; +}; + +/** + * struct mod_clock - Module clock + * + * @hw: handle between common and hardware-specific interfaces + * @priv: CPG/MSTP private data + * @sibling: pointer to the other coupled clock + * @mstop: MSTOP configuration + * @shared_mstop_clks: clocks sharing the MSTOP with this clock + * @off: register offset + * @bit: ON/MON bit + * @num_shared_mstop_clks: number of the clocks sharing MSTOP with this clock + * @enabled: soft state of the clock, if it is coupled with another clock + */ +struct mod_clock { + struct clk_hw hw; + struct rzg2l_cpg_priv *priv; + struct mod_clock *sibling; + struct mstop *mstop; + struct mod_clock **shared_mstop_clks; + u16 off; + u8 bit; + u8 num_shared_mstop_clks; + bool enabled; +}; + +#define to_mod_clock(_hw) container_of(_hw, struct mod_clock, hw) + +#define for_each_mod_clock(mod_clock, hw, priv) \ + for (unsigned int __i = 0; (priv) && __i < (priv)->num_mod_clks; __i++) \ + if ((priv)->clks[(priv)->num_core_clks + __i] == ERR_PTR(-ENOENT)) \ + continue; \ + else if (((hw) = __clk_get_hw((priv)->clks[(priv)->num_core_clks + __i])) && \ + ((mod_clock) = to_mod_clock(hw))) + +/* Need to be called with a lock held to avoid concurrent access to mstop->usecnt. */ +static void rzg2l_mod_clock_module_set_state(struct mod_clock *clock, + bool standby) +{ + struct rzg2l_cpg_priv *priv = clock->priv; + struct mstop *mstop = clock->mstop; + bool update = false; + u32 value; + + if (!mstop) + return; + + value = MSTOP_MASK(mstop->conf) << 16; + + if (standby) { + unsigned int criticals = 0; + + for (unsigned int i = 0; i < clock->num_shared_mstop_clks; i++) { + struct mod_clock *clk = clock->shared_mstop_clks[i]; + + if (clk_hw_get_flags(&clk->hw) & CLK_IS_CRITICAL) + criticals++; + } + + if (!clock->num_shared_mstop_clks && + clk_hw_get_flags(&clock->hw) & CLK_IS_CRITICAL) + criticals++; + + /* + * If this is a shared MSTOP and it is shared with critical clocks, + * and the system boots up with this clock enabled but no driver + * uses it the CCF will disable it (as it is unused). As we don't + * increment reference counter for it at registration (to avoid + * messing with clocks enabled at probe but later used by drivers) + * do not set the MSTOP here too if it is shared with critical + * clocks and ref counted only by those critical clocks. + */ + if (criticals && criticals == atomic_read(&mstop->usecnt)) + return; + + value |= MSTOP_MASK(mstop->conf); + + /* Allow updates on probe when usecnt = 0. */ + if (!atomic_read(&mstop->usecnt)) + update = true; + else + update = atomic_dec_and_test(&mstop->usecnt); + } else { + if (!atomic_read(&mstop->usecnt)) + update = true; + atomic_inc(&mstop->usecnt); + } + + if (update) + writel(value, priv->base + MSTOP_OFF(mstop->conf)); +} + +static int rzg2l_mod_clock_mstop_show(struct seq_file *s, void *what) +{ + struct rzg2l_cpg_priv *priv = s->private; + struct mod_clock *clk; + struct clk_hw *hw; + + seq_printf(s, "%-20s %-5s %-10s\n", "", "", "MSTOP"); + seq_printf(s, "%-20s %-5s %-10s\n", "", "clk", "-------------------------"); + seq_printf(s, "%-20s %-5s %-5s %-5s %-6s %-6s\n", + "clk_name", "cnt", "cnt", "off", "val", "shared"); + seq_printf(s, "%-20s %-5s %-5s %-5s %-6s %-6s\n", + "--------", "-----", "-----", "-----", "------", "------"); + + for_each_mod_clock(clk, hw, priv) { + u32 val; + + if (!clk->mstop) + continue; + + val = readl(priv->base + MSTOP_OFF(clk->mstop->conf)) & + MSTOP_MASK(clk->mstop->conf); + + seq_printf(s, "%-20s %-5d %-5d 0x%-3lx 0x%-4x", clk_hw_get_name(hw), + __clk_get_enable_count(hw->clk), atomic_read(&clk->mstop->usecnt), + MSTOP_OFF(clk->mstop->conf), val); + + for (unsigned int i = 0; i < clk->num_shared_mstop_clks; i++) + seq_printf(s, " %pC", clk->shared_mstop_clks[i]->hw.clk); + + seq_puts(s, "\n"); + } + + return 0; +} +DEFINE_SHOW_ATTRIBUTE(rzg2l_mod_clock_mstop); + +static int rzg2l_mod_clock_endisable_helper(struct clk_hw *hw, bool enable, + bool set_mstop_state) +{ + struct mod_clock *clock = to_mod_clock(hw); + struct rzg2l_cpg_priv *priv = clock->priv; + unsigned int reg = clock->off; + struct device *dev = priv->dev; + u32 bitmask = BIT(clock->bit); + u32 value; + int error; + + if (!clock->off) { + dev_dbg(dev, "%pC does not support ON/OFF\n", hw->clk); + return 0; + } + + dev_dbg(dev, "CLK_ON 0x%x/%pC %s\n", CLK_ON_R(reg), hw->clk, + str_on_off(enable)); + + value = bitmask << 16; + if (enable) + value |= bitmask; + + scoped_guard(spinlock_irqsave, &priv->rmw_lock) { + if (enable) { + writel(value, priv->base + CLK_ON_R(reg)); + if (set_mstop_state) + rzg2l_mod_clock_module_set_state(clock, false); + } else { + if (set_mstop_state) + rzg2l_mod_clock_module_set_state(clock, true); + writel(value, priv->base + CLK_ON_R(reg)); + } + } + + if (!enable) + return 0; + + if (!priv->info->has_clk_mon_regs) + return 0; + + error = readl_poll_timeout_atomic(priv->base + CLK_MON_R(reg), value, + value & bitmask, 0, 10); + if (error) + dev_err(dev, "Failed to enable CLK_ON 0x%x/%pC\n", + CLK_ON_R(reg), hw->clk); + + return error; +} + +static int rzg2l_mod_clock_endisable(struct clk_hw *hw, bool enable) +{ + return rzg2l_mod_clock_endisable_helper(hw, enable, true); +} + +static int rzg2l_mod_clock_enable(struct clk_hw *hw) +{ + struct mod_clock *clock = to_mod_clock(hw); + + if (clock->sibling) { + struct rzg2l_cpg_priv *priv = clock->priv; + unsigned long flags; + bool enabled; + + spin_lock_irqsave(&priv->rmw_lock, flags); + enabled = clock->sibling->enabled; + clock->enabled = true; + spin_unlock_irqrestore(&priv->rmw_lock, flags); + if (enabled) + return 0; + } + + return rzg2l_mod_clock_endisable(hw, true); +} + +static void rzg2l_mod_clock_disable(struct clk_hw *hw) +{ + struct mod_clock *clock = to_mod_clock(hw); + + if (clock->sibling) { + struct rzg2l_cpg_priv *priv = clock->priv; + unsigned long flags; + bool enabled; + + spin_lock_irqsave(&priv->rmw_lock, flags); + enabled = clock->sibling->enabled; + clock->enabled = false; + spin_unlock_irqrestore(&priv->rmw_lock, flags); + if (enabled) + return; + } + + rzg2l_mod_clock_endisable(hw, false); +} + +static int rzg2l_mod_clock_is_enabled(struct clk_hw *hw) +{ + struct mod_clock *clock = to_mod_clock(hw); + struct rzg2l_cpg_priv *priv = clock->priv; + u32 bitmask = BIT(clock->bit); + u32 value; + + if (!clock->off) { + dev_dbg(priv->dev, "%pC does not support ON/OFF\n", hw->clk); + return 1; + } + + if (clock->sibling) + return clock->enabled; + + if (priv->info->has_clk_mon_regs) + value = readl(priv->base + CLK_MON_R(clock->off)); + else + value = readl(priv->base + clock->off); + + return value & bitmask; +} + +static const struct clk_ops rzg2l_mod_clock_ops = { + .enable = rzg2l_mod_clock_enable, + .disable = rzg2l_mod_clock_disable, + .is_enabled = rzg2l_mod_clock_is_enabled, +}; + +static struct mod_clock +*rzg2l_mod_clock_get_sibling(struct mod_clock *clock, + struct rzg2l_cpg_priv *priv) +{ + struct mod_clock *clk; + struct clk_hw *hw; + + for_each_mod_clock(clk, hw, priv) { + if (clock->off == clk->off && clock->bit == clk->bit) + return clk; + } + + return NULL; +} + +static struct mstop *rzg2l_mod_clock_get_mstop(struct rzg2l_cpg_priv *priv, u32 conf) +{ + struct mod_clock *clk; + struct clk_hw *hw; + + for_each_mod_clock(clk, hw, priv) { + if (!clk->mstop) + continue; + + if (clk->mstop->conf == conf) + return clk->mstop; + } + + return NULL; +} + +static void rzg2l_mod_clock_init_mstop_helper(struct rzg2l_cpg_priv *priv, + struct mod_clock *clk) +{ + /* + * Out of reset all modules are enabled. Set module state in case + * associated clocks are disabled at probe/resume. Otherwise module + * is in invalid HW state. + */ + scoped_guard(spinlock_irqsave, &priv->rmw_lock) { + if (!rzg2l_mod_clock_is_enabled(&clk->hw)) + rzg2l_mod_clock_module_set_state(clk, true); + } +} + +static void rzg2l_mod_enable_crit_clock_init_mstop(struct rzg2l_cpg_priv *priv) +{ + struct mod_clock *clk; + struct clk_hw *hw; + + for_each_mod_clock(clk, hw, priv) { + if ((clk_hw_get_flags(&clk->hw) & CLK_IS_CRITICAL) && + (!rzg2l_mod_clock_is_enabled(&clk->hw))) + rzg2l_mod_clock_endisable_helper(&clk->hw, true, false); + + if (clk->mstop) + rzg2l_mod_clock_init_mstop_helper(priv, clk); + } +} + +static void rzg2l_mod_clock_init_mstop(struct rzg2l_cpg_priv *priv) +{ + struct mod_clock *clk; + struct clk_hw *hw; + + for_each_mod_clock(clk, hw, priv) { + if (!clk->mstop) + continue; + + rzg2l_mod_clock_init_mstop_helper(priv, clk); + } +} + +static int rzg2l_mod_clock_update_shared_mstop_clks(struct rzg2l_cpg_priv *priv, + struct mod_clock *clock) +{ + struct mod_clock *clk; + struct clk_hw *hw; + + if (!clock->mstop) + return 0; + + for_each_mod_clock(clk, hw, priv) { + int num_shared_mstop_clks, incr = 1; + struct mod_clock **new_clks; + + if (clk->mstop != clock->mstop) + continue; + + num_shared_mstop_clks = clk->num_shared_mstop_clks; + if (!num_shared_mstop_clks) + incr++; + + new_clks = devm_krealloc(priv->dev, clk->shared_mstop_clks, + (num_shared_mstop_clks + incr) * sizeof(*new_clks), + GFP_KERNEL); + if (!new_clks) + return -ENOMEM; + + if (!num_shared_mstop_clks) + new_clks[num_shared_mstop_clks++] = clk; + new_clks[num_shared_mstop_clks++] = clock; + + for (unsigned int i = 0; i < num_shared_mstop_clks; i++) { + new_clks[i]->shared_mstop_clks = new_clks; + new_clks[i]->num_shared_mstop_clks = num_shared_mstop_clks; + } + break; + } + + return 0; +} + +static void __init +rzg2l_cpg_register_mod_clk(const struct rzg2l_mod_clk *mod, + const struct rzg2l_cpg_info *info, + struct rzg2l_cpg_priv *priv) +{ + struct mod_clock *clock = NULL; + struct device *dev = priv->dev; + unsigned int id = mod->id; + struct clk_init_data init; + struct clk *parent, *clk; + const char *parent_name; + unsigned int i; + int ret; + + WARN_DEBUG(id < priv->num_core_clks); + WARN_DEBUG(id >= priv->num_core_clks + priv->num_mod_clks); + WARN_DEBUG(mod->parent >= priv->num_core_clks + priv->num_mod_clks); + WARN_DEBUG(PTR_ERR(priv->clks[id]) != -ENOENT); + + parent = priv->clks[mod->parent]; + if (IS_ERR(parent)) { + clk = parent; + goto fail; + } + + clock = devm_kzalloc(dev, sizeof(*clock), GFP_KERNEL); + if (!clock) { + clk = ERR_PTR(-ENOMEM); + goto fail; + } + + init.name = mod->name; + init.ops = &rzg2l_mod_clock_ops; + init.flags = CLK_SET_RATE_PARENT; + for (i = 0; i < info->num_crit_mod_clks; i++) + if (id == info->crit_mod_clks[i]) { + dev_dbg(dev, "CPG %s setting CLK_IS_CRITICAL\n", + mod->name); + init.flags |= CLK_IS_CRITICAL; + break; + } + + parent_name = __clk_get_name(parent); + init.parent_names = &parent_name; + init.num_parents = 1; + + clock->off = mod->off; + clock->bit = mod->bit; + clock->priv = priv; + clock->hw.init = &init; + + if (mod->mstop_conf) { + struct mstop *mstop = rzg2l_mod_clock_get_mstop(priv, mod->mstop_conf); + + if (!mstop) { + mstop = devm_kzalloc(dev, sizeof(*mstop), GFP_KERNEL); + if (!mstop) { + clk = ERR_PTR(-ENOMEM); + goto fail; + } + mstop->conf = mod->mstop_conf; + atomic_set(&mstop->usecnt, 0); + } + clock->mstop = mstop; + } + + ret = devm_clk_hw_register(dev, &clock->hw); + if (ret) { + clk = ERR_PTR(ret); + goto fail; + } + + if (mod->is_coupled) { + struct mod_clock *sibling; + + clock->enabled = rzg2l_mod_clock_is_enabled(&clock->hw); + sibling = rzg2l_mod_clock_get_sibling(clock, priv); + if (sibling) { + clock->sibling = sibling; + sibling->sibling = clock; + } + } + + /* Keep this before priv->clks[id] is updated. */ + ret = rzg2l_mod_clock_update_shared_mstop_clks(priv, clock); + if (ret) { + clk = ERR_PTR(ret); + goto fail; + } + + clk = clock->hw.clk; + dev_dbg(dev, "Module clock %pC at %lu Hz\n", clk, clk_get_rate(clk)); + priv->clks[id] = clk; + + return; + +fail: + dev_err(dev, "Failed to register %s clock %s: %ld\n", "module", + mod->name, PTR_ERR(clk)); +} + +#define rcdev_to_priv(x) container_of(x, struct rzg2l_cpg_priv, rcdev) + +static int __rzg2l_cpg_assert(struct reset_controller_dev *rcdev, + unsigned long id, bool assert) +{ + struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev); + const struct rzg2l_cpg_info *info = priv->info; + unsigned int reg = info->resets[id].off; + u32 mask = BIT(info->resets[id].bit); + s8 monbit = info->resets[id].monbit; + u32 value = mask << 16; + u32 mon; + int ret; + + dev_dbg(rcdev->dev, "%s id:%ld offset:0x%x\n", + assert ? "assert" : "deassert", id, CLK_RST_R(reg)); + + if (assert) { + for (unsigned int i = 0; i < priv->info->num_crit_resets; i++) { + if (id == priv->info->crit_resets[i]) + return 0; + } + } + + if (!assert) + value |= mask; + writel(value, priv->base + CLK_RST_R(reg)); + + if (info->has_clk_mon_regs) { + reg = CLK_MRST_R(reg); + } else if (monbit >= 0) { + reg = CPG_RST_MON; + mask = BIT(monbit); + } else { + /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */ + udelay(35); + return 0; + } + + ret = readl_poll_timeout_atomic(priv->base + reg, mon, + assert == !!(mon & mask), 10, 200); + if (ret) { + value ^= mask; + writel(value, priv->base + CLK_RST_R(info->resets[id].off)); + } + + return ret; +} + +static int rzg2l_cpg_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return __rzg2l_cpg_assert(rcdev, id, true); +} + +static int rzg2l_cpg_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return __rzg2l_cpg_assert(rcdev, id, false); +} + +static int rzg2l_cpg_deassert_crit_resets(struct reset_controller_dev *rcdev, + const struct rzg2l_cpg_info *info) +{ + int ret; + + for (unsigned int i = 0; i < info->num_crit_resets; i++) { + ret = rzg2l_cpg_deassert(rcdev, info->crit_resets[i]); + if (ret) + return ret; + } + + return 0; +} + +static int rzg2l_cpg_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + int ret; + + ret = rzg2l_cpg_assert(rcdev, id); + if (ret) + return ret; + + return rzg2l_cpg_deassert(rcdev, id); +} + +static int rzg2l_cpg_status(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev); + const struct rzg2l_cpg_info *info = priv->info; + s8 monbit = info->resets[id].monbit; + unsigned int reg; + u32 bitmask; + + if (info->has_clk_mon_regs) { + reg = CLK_MRST_R(info->resets[id].off); + bitmask = BIT(info->resets[id].bit); + } else if (monbit >= 0) { + reg = CPG_RST_MON; + bitmask = BIT(monbit); + } else { + return -ENOTSUPP; + } + + return !!(readl(priv->base + reg) & bitmask); +} + +static const struct reset_control_ops rzg2l_cpg_reset_ops = { + .reset = rzg2l_cpg_reset, + .assert = rzg2l_cpg_assert, + .deassert = rzg2l_cpg_deassert, + .status = rzg2l_cpg_status, +}; + +static int rzg2l_cpg_reset_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev); + const struct rzg2l_cpg_info *info = priv->info; + unsigned int id = reset_spec->args[0]; + + if (id >= rcdev->nr_resets || !info->resets[id].off) { + dev_err(rcdev->dev, "Invalid reset index %u\n", id); + return -EINVAL; + } + + return id; +} + +static int rzg2l_cpg_reset_controller_register(struct rzg2l_cpg_priv *priv) +{ + priv->rcdev.ops = &rzg2l_cpg_reset_ops; + priv->rcdev.of_node = priv->dev->of_node; + priv->rcdev.dev = priv->dev; + priv->rcdev.of_reset_n_cells = 1; + priv->rcdev.of_xlate = rzg2l_cpg_reset_xlate; + priv->rcdev.nr_resets = priv->num_resets; + + return devm_reset_controller_register(priv->dev, &priv->rcdev); +} + +static bool rzg2l_cpg_is_pm_clk(struct rzg2l_cpg_priv *priv, + const struct of_phandle_args *clkspec) +{ + if (clkspec->np != priv->genpd.dev.of_node || clkspec->args_count != 2) + return false; + + switch (clkspec->args[0]) { + case CPG_MOD: { + const struct rzg2l_cpg_info *info = priv->info; + unsigned int id = clkspec->args[1]; + + if (id >= priv->num_mod_clks) + return false; + + id += info->num_total_core_clks; + + for (unsigned int i = 0; i < info->num_no_pm_mod_clks; i++) { + if (info->no_pm_mod_clks[i] == id) + return false; + } + + return true; + } + + case CPG_CORE: + default: + return false; + } +} + +static int rzg2l_cpg_attach_dev(struct generic_pm_domain *domain, struct device *dev) +{ + struct rzg2l_cpg_priv *priv = container_of(domain, struct rzg2l_cpg_priv, genpd); + struct device_node *np = dev->of_node; + struct of_phandle_args clkspec; + bool once = true; + struct clk *clk; + unsigned int i; + int error; + + for (i = 0; !of_parse_phandle_with_args(np, "clocks", "#clock-cells", i, &clkspec); i++) { + if (!rzg2l_cpg_is_pm_clk(priv, &clkspec)) { + of_node_put(clkspec.np); + continue; + } + + if (once) { + once = false; + error = pm_clk_create(dev); + if (error) { + of_node_put(clkspec.np); + goto err; + } + } + clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); + if (IS_ERR(clk)) { + error = PTR_ERR(clk); + goto fail_destroy; + } + + error = pm_clk_add_clk(dev, clk); + if (error) { + dev_err(dev, "pm_clk_add_clk failed %d\n", error); + goto fail_put; + } + } + + return 0; + +fail_put: + clk_put(clk); + +fail_destroy: + pm_clk_destroy(dev); +err: + return error; +} + +static void rzg2l_cpg_detach_dev(struct generic_pm_domain *unused, struct device *dev) +{ + if (!pm_clk_no_clocks(dev)) + pm_clk_destroy(dev); +} + +static void rzg2l_cpg_genpd_remove(void *data) +{ + pm_genpd_remove(data); +} + +static int __init rzg2l_cpg_add_clk_domain(struct rzg2l_cpg_priv *priv) +{ + struct device *dev = priv->dev; + struct device_node *np = dev->of_node; + struct generic_pm_domain *genpd = &priv->genpd; + int ret; + + genpd->name = np->name; + genpd->flags = GENPD_FLAG_PM_CLK | GENPD_FLAG_ALWAYS_ON | + GENPD_FLAG_ACTIVE_WAKEUP; + genpd->attach_dev = rzg2l_cpg_attach_dev; + genpd->detach_dev = rzg2l_cpg_detach_dev; + ret = pm_genpd_init(genpd, &pm_domain_always_on_gov, false); + if (ret) + return ret; + + ret = devm_add_action_or_reset(dev, rzg2l_cpg_genpd_remove, genpd); + if (ret) + return ret; + + return of_genpd_add_provider_simple(np, genpd); +} + +static int __init rzg2l_cpg_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + const struct rzg2l_cpg_info *info; + struct rzg2l_cpg_priv *priv; + unsigned int nclks, i; + struct clk **clks; + int error; + + info = of_device_get_match_data(dev); + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->dev = dev; + priv->info = info; + spin_lock_init(&priv->rmw_lock); + + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + nclks = info->num_total_core_clks + info->num_hw_mod_clks; + clks = devm_kmalloc_array(dev, nclks, sizeof(*clks), GFP_KERNEL); + if (!clks) + return -ENOMEM; + + dev_set_drvdata(dev, priv); + priv->clks = clks; + priv->num_core_clks = info->num_total_core_clks; + priv->num_mod_clks = info->num_hw_mod_clks; + priv->num_resets = info->num_resets; + priv->last_dt_core_clk = info->last_dt_core_clk; + + for (i = 0; i < nclks; i++) + clks[i] = ERR_PTR(-ENOENT); + + for (i = 0; i < info->num_core_clks; i++) + rzg2l_cpg_register_core_clk(&info->core_clks[i], info, priv); + + for (i = 0; i < info->num_mod_clks; i++) + rzg2l_cpg_register_mod_clk(&info->mod_clks[i], info, priv); + + /* + * Initialize MSTOP after all the clocks were registered to avoid + * invalid reference counting when multiple clocks (critical, + * non-critical) share the same MSTOP. + */ + rzg2l_mod_clock_init_mstop(priv); + + error = of_clk_add_provider(np, rzg2l_cpg_clk_src_twocell_get, priv); + if (error) + return error; + + error = devm_add_action_or_reset(dev, rzg2l_cpg_del_clk_provider, np); + if (error) + return error; + + error = rzg2l_cpg_add_clk_domain(priv); + if (error) + return error; + + error = rzg2l_cpg_reset_controller_register(priv); + if (error) + return error; + + error = rzg2l_cpg_deassert_crit_resets(&priv->rcdev, info); + if (error) + return error; + + debugfs_create_file("mstop", 0444, NULL, priv, &rzg2l_mod_clock_mstop_fops); + return 0; +} + +static int rzg2l_cpg_resume(struct device *dev) +{ + struct rzg2l_cpg_priv *priv = dev_get_drvdata(dev); + int ret; + + ret = rzg2l_cpg_deassert_crit_resets(&priv->rcdev, priv->info); + if (ret) + return ret; + + rzg2l_mod_enable_crit_clock_init_mstop(priv); + + return 0; +} + +static const struct dev_pm_ops rzg2l_cpg_pm_ops = { + NOIRQ_SYSTEM_SLEEP_PM_OPS(NULL, rzg2l_cpg_resume) +}; + +static const struct of_device_id rzg2l_cpg_match[] = { +#ifdef CONFIG_CLK_R9A07G043 + { + .compatible = "renesas,r9a07g043-cpg", + .data = &r9a07g043_cpg_info, + }, +#endif +#ifdef CONFIG_CLK_R9A07G044 + { + .compatible = "renesas,r9a07g044-cpg", + .data = &r9a07g044_cpg_info, + }, +#endif +#ifdef CONFIG_CLK_R9A07G054 + { + .compatible = "renesas,r9a07g054-cpg", + .data = &r9a07g054_cpg_info, + }, +#endif +#ifdef CONFIG_CLK_R9A08G045 + { + .compatible = "renesas,r9a08g045-cpg", + .data = &r9a08g045_cpg_info, + }, +#endif +#ifdef CONFIG_CLK_R9A08G046 + { + .compatible = "renesas,r9a08g046-cpg", + .data = &r9a08g046_cpg_info, + }, +#endif +#ifdef CONFIG_CLK_R9A09G011 + { + .compatible = "renesas,r9a09g011-cpg", + .data = &r9a09g011_cpg_info, + }, +#endif + { /* sentinel */ } +}; + +static struct platform_driver rzg2l_cpg_driver = { + .driver = { + .name = "rzg2l-cpg", + .of_match_table = rzg2l_cpg_match, + .pm = pm_sleep_ptr(&rzg2l_cpg_pm_ops), + }, +}; + +static int __init rzg2l_cpg_init(void) +{ + return platform_driver_probe(&rzg2l_cpg_driver, rzg2l_cpg_probe); +} + +subsys_initcall(rzg2l_cpg_init); + +MODULE_DESCRIPTION("Renesas RZ/G2L CPG Driver"); diff --git a/drivers/clk/renesas/rzg2l-cpg.h b/drivers/clk/renesas/rzg2l-cpg.h new file mode 100644 index 000000000..bd6169f62 --- /dev/null +++ b/drivers/clk/renesas/rzg2l-cpg.h @@ -0,0 +1,329 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * RZ/G2L Clock Pulse Generator + * + * Copyright (C) 2021 Renesas Electronics Corp. + * + */ + +#ifndef __RENESAS_RZG2L_CPG_H__ +#define __RENESAS_RZG2L_CPG_H__ + +#include <linux/notifier.h> + +#define CPG_SIPLL5_STBY (0x140) +#define CPG_SIPLL5_CLK1 (0x144) +#define CPG_SIPLL5_CLK3 (0x14C) +#define CPG_SIPLL5_CLK4 (0x150) +#define CPG_SIPLL5_CLK5 (0x154) +#define CPG_SIPLL5_MON (0x15C) +#define CPG_PL1_DDIV (0x200) +#define CPG_PL2_DDIV (0x204) +#define CPG_PL3A_DDIV (0x208) +#define CPG_PL6_DDIV (0x210) +#define CPG_PL3C_SDIV (0x214) +#define CPG_CLKSTATUS (0x280) +#define CPG_PL3_SSEL (0x408) +#define CPG_PL6_SSEL (0x414) +#define CPG_PL6_ETH_SSEL (0x418) +#define CPG_PL5_SDIV (0x420) +#define CPG_RST_MON (0x680) +#define CPG_BUS_ACPU_MSTOP (0xB60) +#define CPG_BUS_MCPU1_MSTOP (0xB64) +#define CPG_BUS_MCPU2_MSTOP (0xB68) +#define CPG_BUS_PERI_COM_MSTOP (0xB6C) +#define CPG_BUS_PERI_CPU_MSTOP (0xB70) +#define CPG_BUS_PERI_DDR_MSTOP (0xB74) +#define CPG_BUS_PERI_VIDEO_MSTOP (0xB78) +#define CPG_BUS_REG0_MSTOP (0xB7C) +#define CPG_BUS_REG1_MSTOP (0xB80) +#define CPG_BUS_TZCDDR_MSTOP (0xB84) +#define CPG_MHU_MSTOP (0xB88) +#define CPG_BUS_MCPU3_MSTOP (0xB90) +#define CPG_BUS_PERI_CPU2_MSTOP (0xB94) +#define CPG_OTHERFUNC1_REG (0xBE8) + +#define CPG_SIPLL5_STBY_RESETB BIT(0) +#define CPG_SIPLL5_STBY_RESETB_WEN BIT(16) +#define CPG_SIPLL5_STBY_SSCG_EN_WEN BIT(18) +#define CPG_SIPLL5_STBY_DOWNSPREAD_WEN BIT(20) +#define CPG_SIPLL5_CLK4_RESV_LSB (0xFF) +#define CPG_SIPLL5_MON_PLL5_LOCK BIT(4) + +#define CPG_OTHERFUNC1_REG_RES0_ON_WEN BIT(16) + +#define CPG_PL5_SDIV_DIV_DSI_A_WEN BIT(16) +#define CPG_PL5_SDIV_DIV_DSI_B_WEN BIT(24) + +#define CPG_CLKSTATUS_SELSDHI0_STS BIT(28) +#define CPG_CLKSTATUS_SELSDHI1_STS BIT(29) + +#define CPG_SAM_PLL_CONF(stby) ((stby) << 12) +#define CPG_PLL_CONF(stby, setting) ((stby) << 12 | (setting)) + +#define DDIV_PACK(offset, bitpos, size) \ + (((offset) << 20) | ((bitpos) << 12) | ((size) << 8)) +#define DIVPL1A DDIV_PACK(CPG_PL1_DDIV, 0, 2) +#define DIVPL2A DDIV_PACK(CPG_PL2_DDIV, 0, 3) +#define DIVDSILPCLK DDIV_PACK(CPG_PL2_DDIV, 12, 2) +#define DIVPL3A DDIV_PACK(CPG_PL3A_DDIV, 0, 3) +#define DIVPL3B DDIV_PACK(CPG_PL3A_DDIV, 4, 3) +#define DIVPL3C DDIV_PACK(CPG_PL3A_DDIV, 8, 3) +#define DIVPL3E DDIV_PACK(CPG_PL3C_SDIV, 8, 5) +#define DIVGPU DDIV_PACK(CPG_PL6_DDIV, 0, 2) + +#define SEL_PLL_PACK(offset, bitpos, size) \ + (((offset) << 20) | ((bitpos) << 12) | ((size) << 8)) + +#define SEL_PLL3_3 SEL_PLL_PACK(CPG_PL3_SSEL, 8, 1) +#define SEL_PLL5_4 SEL_PLL_PACK(CPG_OTHERFUNC1_REG, 0, 1) +#define SEL_PLL6_2 SEL_PLL_PACK(CPG_PL6_ETH_SSEL, 0, 1) +#define SEL_GPU2 SEL_PLL_PACK(CPG_PL6_SSEL, 12, 1) + +#define MSTOP(name, bitmask) ((CPG_##name##_MSTOP) << 16 | (bitmask)) + +#define EXTAL_FREQ_IN_MEGA_HZ (24) + +/** + * Definitions of CPG Core Clocks + * + * These include: + * - Clock outputs exported to DT + * - External input clocks + * - Internal CPG clocks + */ +struct cpg_core_clk { + const char *name; + unsigned int id; + unsigned int parent; + unsigned int div; + unsigned int mult; + unsigned int type; + unsigned int conf; + unsigned int sconf; + const struct clk_div_table *dtable; + const u32 *mtable; + const unsigned long invalid_rate; + union { + const unsigned long max_rate; + const unsigned long default_rate; + }; + const char * const *parent_names; + notifier_fn_t notifier; + u32 flag; + u32 mux_flags; + int num_parents; +}; + +enum clk_types { + /* Generic */ + CLK_TYPE_IN, /* External Clock Input */ + CLK_TYPE_FF, /* Fixed Factor Clock */ + CLK_TYPE_SAM_PLL, + CLK_TYPE_G3L_PLL, + CLK_TYPE_G3S_PLL, + + /* Clock with divider */ + CLK_TYPE_DIV, + CLK_TYPE_G3S_DIV, + + /* Clock with clock source selector */ + CLK_TYPE_MUX, + + /* Clock with SD clock source selector */ + CLK_TYPE_SD_MUX, + + /* Clock for SIPLL5 */ + CLK_TYPE_SIPLL5, + + /* Clock for PLL5_4 clock source selector */ + CLK_TYPE_PLL5_4_MUX, + + /* Clock for DSI divider */ + CLK_TYPE_DSI_DIV, + +}; + +#define DEF_TYPE(_name, _id, _type...) \ + { .name = _name, .id = _id, .type = _type } +#define DEF_BASE(_name, _id, _type, _parent...) \ + DEF_TYPE(_name, _id, _type, .parent = _parent) +#define DEF_SAMPLL(_name, _id, _parent, _conf) \ + DEF_TYPE(_name, _id, CLK_TYPE_SAM_PLL, .parent = _parent, .conf = _conf) +#define DEF_G3L_PLL(_name, _id, _parent, _conf, _default_rate) \ + DEF_TYPE(_name, _id, CLK_TYPE_G3L_PLL, .parent = _parent, .conf = _conf, \ + .default_rate = _default_rate) +#define DEF_G3S_PLL(_name, _id, _parent, _conf, _default_rate) \ + DEF_TYPE(_name, _id, CLK_TYPE_G3S_PLL, .parent = _parent, .conf = _conf, \ + .default_rate = _default_rate) +#define DEF_INPUT(_name, _id) \ + DEF_TYPE(_name, _id, CLK_TYPE_IN) +#define DEF_FIXED(_name, _id, _parent, _mult, _div) \ + DEF_BASE(_name, _id, CLK_TYPE_FF, _parent, .div = _div, .mult = _mult) +#define DEF_DIV(_name, _id, _parent, _conf, _dtable) \ + DEF_TYPE(_name, _id, CLK_TYPE_DIV, .conf = _conf, \ + .parent = _parent, .dtable = _dtable, \ + .flag = CLK_DIVIDER_HIWORD_MASK) +#define DEF_DIV_RO(_name, _id, _parent, _conf, _dtable) \ + DEF_TYPE(_name, _id, CLK_TYPE_DIV, .conf = _conf, \ + .parent = _parent, .dtable = _dtable, \ + .flag = CLK_DIVIDER_READ_ONLY) +#define DEF_G3S_DIV(_name, _id, _parent, _conf, _sconf, _dtable, _invalid_rate, \ + _max_rate, _clk_flags, _notif) \ + DEF_TYPE(_name, _id, CLK_TYPE_G3S_DIV, .conf = _conf, .sconf = _sconf, \ + .parent = _parent, .dtable = _dtable, \ + .invalid_rate = _invalid_rate, \ + .max_rate = _max_rate, .flag = (_clk_flags), \ + .notifier = _notif) +#define DEF_MUX_FLAGS(_name, _id, _conf, _parent_names, _flag) \ + DEF_TYPE(_name, _id, CLK_TYPE_MUX, .conf = _conf, \ + .parent_names = _parent_names, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .mux_flags = CLK_MUX_HIWORD_MASK, \ + .flag = _flag) +#define DEF_MUX(_name, _id, _conf, _parent_names) \ + DEF_MUX_FLAGS(_name, _id, _conf, _parent_names, 0) +#define DEF_MUX_RO(_name, _id, _conf, _parent_names) \ + DEF_TYPE(_name, _id, CLK_TYPE_MUX, .conf = _conf, \ + .parent_names = _parent_names, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .mux_flags = CLK_MUX_READ_ONLY) +#define DEF_SD_MUX(_name, _id, _conf, _sconf, _parent_names, _mtable, _clk_flags, _notifier) \ + DEF_TYPE(_name, _id, CLK_TYPE_SD_MUX, .conf = _conf, .sconf = _sconf, \ + .parent_names = _parent_names, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .mtable = _mtable, .flag = _clk_flags, .notifier = _notifier) +#define DEF_PLL5_FOUTPOSTDIV(_name, _id, _parent) \ + DEF_TYPE(_name, _id, CLK_TYPE_SIPLL5, .parent = _parent) +#define DEF_PLL5_4_MUX(_name, _id, _conf, _parent_names) \ + DEF_TYPE(_name, _id, CLK_TYPE_PLL5_4_MUX, .conf = _conf, \ + .parent_names = _parent_names, \ + .num_parents = ARRAY_SIZE(_parent_names)) +#define DEF_DSI_DIV(_name, _id, _parent, _flag) \ + DEF_TYPE(_name, _id, CLK_TYPE_DSI_DIV, .parent = _parent, .flag = _flag) + +/** + * struct rzg2l_mod_clk - Module Clocks definitions + * + * @name: handle between common and hardware-specific interfaces + * @id: clock index in array containing all Core and Module Clocks + * @parent: id of parent clock + * @mstop_conf: MSTOP configuration + * @off: register offset + * @bit: ON/MON bit + * @is_coupled: flag to indicate coupled clock + */ +struct rzg2l_mod_clk { + const char *name; + unsigned int id; + unsigned int parent; + u32 mstop_conf; + u16 off; + u8 bit; + bool is_coupled; +}; + +#define DEF_MOD_BASE(_name, _id, _parent, _off, _bit, _mstop_conf, _is_coupled) \ + { \ + .name = _name, \ + .id = MOD_CLK_BASE + (_id), \ + .parent = (_parent), \ + .mstop_conf = (_mstop_conf), \ + .off = (_off), \ + .bit = (_bit), \ + .is_coupled = (_is_coupled), \ + } + +#define DEF_MOD(_name, _id, _parent, _off, _bit, _mstop_conf) \ + DEF_MOD_BASE(_name, _id, _parent, _off, _bit, _mstop_conf, false) + +#define DEF_COUPLED(_name, _id, _parent, _off, _bit, _mstop_conf) \ + DEF_MOD_BASE(_name, _id, _parent, _off, _bit, _mstop_conf, true) + +/** + * struct rzg2l_reset - Reset definitions + * + * @off: register offset + * @bit: reset bit + * @monbit: monitor bit in CPG_RST_MON register, -1 if none + */ +struct rzg2l_reset { + u16 off; + u8 bit; + s8 monbit; +}; + +#define DEF_RST_MON(_id, _off, _bit, _monbit) \ + [_id] = { \ + .off = (_off), \ + .bit = (_bit), \ + .monbit = (_monbit) \ + } +#define DEF_RST(_id, _off, _bit) \ + DEF_RST_MON(_id, _off, _bit, -1) + +/** + * struct rzg2l_cpg_info - SoC-specific CPG Description + * + * @core_clks: Array of Core Clock definitions + * @num_core_clks: Number of entries in core_clks[] + * @last_dt_core_clk: ID of the last Core Clock exported to DT + * @num_total_core_clks: Total number of Core Clocks (exported + internal) + * + * @mod_clks: Array of Module Clock definitions + * @num_mod_clks: Number of entries in mod_clks[] + * @num_hw_mod_clks: Number of Module Clocks supported by the hardware + * + * @resets: Array of Module Reset definitions + * @num_resets: Number of entries in resets[] + * + * @crit_mod_clks: Array with Module Clock IDs of critical clocks that + * should not be disabled without a knowledgeable driver + * @num_crit_mod_clks: Number of entries in crit_mod_clks[] + * @crit_resets: Array with Reset IDs of critical resets that should not be + * asserted without a knowledgeable driver + * @num_crit_resets: Number of entries in crit_resets[] + * @has_clk_mon_regs: Flag indicating whether the SoC has CLK_MON registers + */ +struct rzg2l_cpg_info { + /* Core Clocks */ + const struct cpg_core_clk *core_clks; + unsigned int num_core_clks; + unsigned int last_dt_core_clk; + unsigned int num_total_core_clks; + + /* Module Clocks */ + const struct rzg2l_mod_clk *mod_clks; + unsigned int num_mod_clks; + unsigned int num_hw_mod_clks; + + /* No PM Module Clocks */ + const unsigned int *no_pm_mod_clks; + unsigned int num_no_pm_mod_clks; + + /* Resets */ + const struct rzg2l_reset *resets; + unsigned int num_resets; + + /* Critical Module Clocks that should not be disabled */ + const unsigned int *crit_mod_clks; + unsigned int num_crit_mod_clks; + + /* Critical Resets that should not be asserted */ + const unsigned int *crit_resets; + unsigned int num_crit_resets; + + bool has_clk_mon_regs; +}; + +extern const struct rzg2l_cpg_info r9a07g043_cpg_info; +extern const struct rzg2l_cpg_info r9a07g044_cpg_info; +extern const struct rzg2l_cpg_info r9a07g054_cpg_info; +extern const struct rzg2l_cpg_info r9a08g045_cpg_info; +extern const struct rzg2l_cpg_info r9a08g046_cpg_info; +extern const struct rzg2l_cpg_info r9a09g011_cpg_info; + +int rzg2l_cpg_sd_clk_mux_notifier(struct notifier_block *nb, unsigned long event, void *data); +int rzg3s_cpg_div_clk_notifier(struct notifier_block *nb, unsigned long event, void *data); + +#endif diff --git a/drivers/clk/renesas/rzv2h-cpg.c b/drivers/clk/renesas/rzv2h-cpg.c new file mode 100644 index 000000000..5bdfdc415 --- /dev/null +++ b/drivers/clk/renesas/rzv2h-cpg.c @@ -0,0 +1,1874 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Renesas RZ/V2H(P) Clock Pulse Generator + * + * Copyright (C) 2024 Renesas Electronics Corp. + * + * Based on rzg2l-cpg.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2013 Ideas On Board SPRL + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clk/renesas.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/iopoll.h> +#include <linux/limits.h> +#include <linux/math.h> +#include <linux/math64.h> +#include <linux/minmax.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/pm_clock.h> +#include <linux/pm_domain.h> +#include <linux/refcount.h> +#include <linux/reset-controller.h> +#include <linux/string_choices.h> +#include <linux/units.h> + +#include <dt-bindings/clock/renesas-cpg-mssr.h> + +#include "rzv2h-cpg.h" + +#ifdef DEBUG +#define WARN_DEBUG(x) WARN_ON(x) +#else +#define WARN_DEBUG(x) do { } while (0) +#endif + +#define GET_CLK_ON_OFFSET(x) (0x600 + ((x) * 4)) +#define GET_CLK_MON_OFFSET(x) (0x800 + ((x) * 4)) +#define GET_RST_OFFSET(x) (0x900 + ((x) * 4)) +#define GET_RST_MON_OFFSET(x) (0xA00 + ((x) * 4)) + +#define CPG_BUS_1_MSTOP (0xd00) +#define CPG_BUS_MSTOP(m) (CPG_BUS_1_MSTOP + ((m) - 1) * 4) + +#define CPG_PLL_STBY(x) ((x)) +#define CPG_PLL_STBY_RESETB BIT(0) +#define CPG_PLL_STBY_SSC_EN BIT(2) +#define CPG_PLL_STBY_RESETB_WEN BIT(16) +#define CPG_PLL_STBY_SSC_EN_WEN BIT(18) +#define CPG_PLL_CLK1(x) ((x) + 0x004) +#define CPG_PLL_CLK1_KDIV GENMASK(31, 16) +#define CPG_PLL_CLK1_MDIV GENMASK(15, 6) +#define CPG_PLL_CLK1_PDIV GENMASK(5, 0) +#define CPG_PLL_CLK2(x) ((x) + 0x008) +#define CPG_PLL_CLK2_SDIV GENMASK(2, 0) +#define CPG_PLL_MON(x) ((x) + 0x010) +#define CPG_PLL_MON_RESETB BIT(0) +#define CPG_PLL_MON_LOCK BIT(4) + +#define DDIV_DIVCTL_WEN(shift) BIT((shift) + 16) + +#define GET_MOD_CLK_ID(base, index, bit) \ + ((base) + ((((index) * (16))) + (bit))) + +#define CPG_CLKSTATUS0 (0x700) + +/* On RZ/G3E SoC we have two DSI PLLs */ +#define MAX_CPG_DSI_PLL 2 + +#define CPG_PLLDSI_SMUX_LVDS_DUTY_NUM 4 +#define CPG_PLLDSI_SMUX_LVDS_DUTY_DEN 7 +#define CPG_PLLDSI_SMUX_DSI_RGB_DUTY_NUM 1 +#define CPG_PLLDSI_SMUX_DSI_RGB_DUTY_DEN 2 + +/** + * struct rzv2h_pll_dsi_info - PLL DSI information, holds the limits and parameters + * + * @pll_dsi_limits: PLL DSI parameters limits + * @pll_dsi_parameters: Calculated PLL DSI parameters + * @req_pll_dsi_rate: Requested PLL DSI rate + */ +struct rzv2h_pll_dsi_info { + const struct rzv2h_pll_limits *pll_dsi_limits; + struct rzv2h_pll_div_pars pll_dsi_parameters; + unsigned long req_pll_dsi_rate; +}; + +/** + * struct rzv2h_cpg_priv - Clock Pulse Generator Private Data + * + * @dev: CPG device + * @base: CPG register block base address + * @rmw_lock: protects register accesses + * @clks: Array containing all Core and Module Clocks + * @num_core_clks: Number of Core Clocks in clks[] + * @num_mod_clks: Number of Module Clocks in clks[] + * @resets: Array of resets + * @num_resets: Number of Module Resets in info->resets[] + * @last_dt_core_clk: ID of the last Core Clock exported to DT + * @ff_mod_status_ops: Fixed Factor Module Status Clock operations + * @mstop_count: Array of mstop values + * @rcdev: Reset controller entity + * @pll_dsi_info: Array of PLL DSI information, holds the limits and parameters + */ +struct rzv2h_cpg_priv { + struct device *dev; + void __iomem *base; + spinlock_t rmw_lock; + + struct clk **clks; + unsigned int num_core_clks; + unsigned int num_mod_clks; + struct rzv2h_reset *resets; + unsigned int num_resets; + unsigned int last_dt_core_clk; + + struct clk_ops *ff_mod_status_ops; + + atomic_t *mstop_count; + + struct reset_controller_dev rcdev; + + struct rzv2h_pll_dsi_info pll_dsi_info[MAX_CPG_DSI_PLL]; +}; + +#define rcdev_to_priv(x) container_of(x, struct rzv2h_cpg_priv, rcdev) + +struct pll_clk { + struct rzv2h_cpg_priv *priv; + struct clk_hw hw; + struct pll pll; +}; + +#define to_pll(_hw) container_of(_hw, struct pll_clk, hw) + +/** + * struct mod_clock - Module clock + * + * @priv: CPG private data + * @mstop_data: mstop data relating to module clock + * @hw: handle between common and hardware-specific interfaces + * @no_pm: flag to indicate PM is not supported + * @on_index: register offset + * @on_bit: ON/MON bit + * @mon_index: monitor register offset + * @mon_bit: monitor bit + * @ext_clk_mux_index: mux index for external clock source, or -1 if internal + */ +struct mod_clock { + struct rzv2h_cpg_priv *priv; + unsigned int mstop_data; + struct clk_hw hw; + bool no_pm; + u8 on_index; + u8 on_bit; + s8 mon_index; + u8 mon_bit; + s8 ext_clk_mux_index; +}; + +#define to_mod_clock(_hw) container_of(_hw, struct mod_clock, hw) + +/** + * struct ddiv_clk - DDIV clock + * + * @priv: CPG private data + * @div: divider clk + * @mon: monitor bit in CPG_CLKSTATUS0 register + */ +struct ddiv_clk { + struct rzv2h_cpg_priv *priv; + struct clk_divider div; + u8 mon; +}; + +#define to_ddiv_clock(_div) container_of(_div, struct ddiv_clk, div) + +/** + * struct rzv2h_ff_mod_status_clk - Fixed Factor Module Status Clock + * + * @priv: CPG private data + * @conf: fixed mod configuration + * @fix: fixed factor clock + */ +struct rzv2h_ff_mod_status_clk { + struct rzv2h_cpg_priv *priv; + struct fixed_mod_conf conf; + struct clk_fixed_factor fix; +}; + +#define to_rzv2h_ff_mod_status_clk(_hw) \ + container_of(_hw, struct rzv2h_ff_mod_status_clk, fix.hw) + +/** + * struct rzv2h_plldsi_div_clk - PLL DSI DDIV clock + * + * @dtable: divider table + * @priv: CPG private data + * @hw: divider clk + * @ddiv: divider configuration + */ +struct rzv2h_plldsi_div_clk { + const struct clk_div_table *dtable; + struct rzv2h_cpg_priv *priv; + struct clk_hw hw; + struct ddiv ddiv; +}; + +#define to_plldsi_div_clk(_hw) \ + container_of(_hw, struct rzv2h_plldsi_div_clk, hw) + +#define RZ_V2H_OSC_CLK_IN_MEGA (24 * MEGA) +#define RZV2H_MAX_DIV_TABLES (16) + +/** + * rzv2h_get_pll_pars - Finds the best combination of PLL parameters + * for a given frequency. + * + * @limits: Pointer to the structure containing the limits for the PLL parameters + * @pars: Pointer to the structure where the best calculated PLL parameters values + * will be stored + * @freq_millihz: Target output frequency in millihertz + * + * This function calculates the best set of PLL parameters (M, K, P, S) to achieve + * the desired frequency. + * There is no direct formula to calculate the PLL parameters, as it's an open + * system of equations, therefore this function uses an iterative approach to + * determine the best solution. The best solution is one that minimizes the error + * (desired frequency - actual frequency). + * + * Return: true if a valid set of parameters values is found, false otherwise. + */ +bool rzv2h_get_pll_pars(const struct rzv2h_pll_limits *limits, + struct rzv2h_pll_pars *pars, u64 freq_millihz) +{ + u64 fout_min_millihz = mul_u32_u32(limits->fout.min, MILLI); + u64 fout_max_millihz = mul_u32_u32(limits->fout.max, MILLI); + struct rzv2h_pll_pars p, best; + + if (freq_millihz > fout_max_millihz || + freq_millihz < fout_min_millihz) + return false; + + /* Initialize best error to maximum possible value */ + best.error_millihz = S64_MAX; + + for (p.p = limits->p.min; p.p <= limits->p.max; p.p++) { + u32 fref = RZ_V2H_OSC_CLK_IN_MEGA / p.p; + u16 divider; + + for (divider = 1 << limits->s.min, p.s = limits->s.min; + p.s <= limits->s.max; p.s++, divider <<= 1) { + for (p.m = limits->m.min; p.m <= limits->m.max; p.m++) { + u64 output_m, output_k_range; + s64 pll_k, output_k; + u64 fvco, output; + + /* + * The frequency generated by the PLL + divider + * is calculated as follows: + * + * With: + * Freq = Ffout = Ffvco / 2^(pll_s) + * Ffvco = (pll_m + (pll_k / 65536)) * Ffref + * Ffref = 24MHz / pll_p + * + * Freq can also be rewritten as: + * Freq = Ffvco / 2^(pll_s) + * = ((pll_m + (pll_k / 65536)) * Ffref) / 2^(pll_s) + * = (pll_m * Ffref) / 2^(pll_s) + ((pll_k / 65536) * Ffref) / 2^(pll_s) + * = output_m + output_k + * + * Every parameter has been determined at this + * point, but pll_k. + * + * Considering that: + * limits->k.min <= pll_k <= limits->k.max + * Then: + * -0.5 <= (pll_k / 65536) < 0.5 + * Therefore: + * -Ffref / (2 * 2^(pll_s)) <= output_k < Ffref / (2 * 2^(pll_s)) + */ + + /* Compute output M component (in mHz) */ + output_m = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(p.m, fref) * MILLI, + divider); + /* Compute range for output K (in mHz) */ + output_k_range = DIV_ROUND_CLOSEST_ULL(mul_u32_u32(fref, MILLI), + 2 * divider); + /* + * No point in continuing if we can't achieve + * the desired frequency + */ + if (freq_millihz < (output_m - output_k_range) || + freq_millihz >= (output_m + output_k_range)) { + continue; + } + + /* + * Compute the K component + * + * Since: + * Freq = output_m + output_k + * Then: + * output_k = Freq - output_m + * = ((pll_k / 65536) * Ffref) / 2^(pll_s) + * Therefore: + * pll_k = (output_k * 65536 * 2^(pll_s)) / Ffref + */ + output_k = freq_millihz - output_m; + pll_k = div_s64(output_k * 65536ULL * divider, + fref); + pll_k = DIV_S64_ROUND_CLOSEST(pll_k, MILLI); + + /* Validate K value within allowed limits */ + if (pll_k < limits->k.min || + pll_k > limits->k.max) + continue; + + p.k = pll_k; + + /* Compute (Ffvco * 65536) */ + fvco = mul_u32_u32(p.m * 65536 + p.k, fref); + if (fvco < mul_u32_u32(limits->fvco.min, 65536) || + fvco > mul_u32_u32(limits->fvco.max, 65536)) + continue; + + /* PLL_M component of (output * 65536 * PLL_P) */ + output = mul_u32_u32(p.m * 65536, RZ_V2H_OSC_CLK_IN_MEGA); + /* PLL_K component of (output * 65536 * PLL_P) */ + output += p.k * RZ_V2H_OSC_CLK_IN_MEGA; + /* Make it in mHz */ + output *= MILLI; + output = DIV_U64_ROUND_CLOSEST(output, 65536 * p.p * divider); + + /* Check output frequency against limits */ + if (output < fout_min_millihz || + output > fout_max_millihz) + continue; + + p.error_millihz = freq_millihz - output; + p.freq_millihz = output; + + /* If an exact match is found, return immediately */ + if (p.error_millihz == 0) { + *pars = p; + return true; + } + + /* Update best match if error is smaller */ + if (abs(best.error_millihz) > abs(p.error_millihz)) + best = p; + } + } + } + + /* If no valid parameters were found, return false */ + if (best.error_millihz == S64_MAX) + return false; + + *pars = best; + return true; +} +EXPORT_SYMBOL_NS_GPL(rzv2h_get_pll_pars, "RZV2H_CPG"); + +/* + * rzv2h_get_pll_divs_pars - Finds the best combination of PLL parameters + * and divider value for a given frequency. + * + * @limits: Pointer to the structure containing the limits for the PLL parameters + * @pars: Pointer to the structure where the best calculated PLL parameters and + * divider values will be stored + * @table: Pointer to the array of valid divider values + * @table_size: Size of the divider values array + * @freq_millihz: Target output frequency in millihertz + * + * This function calculates the best set of PLL parameters (M, K, P, S) and divider + * value to achieve the desired frequency. See rzv2h_get_pll_pars() for more details + * on how the PLL parameters are calculated. + * + * freq_millihz is the desired frequency generated by the PLL followed by a + * a gear. + */ +bool rzv2h_get_pll_divs_pars(const struct rzv2h_pll_limits *limits, + struct rzv2h_pll_div_pars *pars, + const u8 *table, u8 table_size, u64 freq_millihz) +{ + struct rzv2h_pll_div_pars p, best; + + best.div.error_millihz = S64_MAX; + p.div.error_millihz = S64_MAX; + for (unsigned int i = 0; i < table_size; i++) { + if (!rzv2h_get_pll_pars(limits, &p.pll, freq_millihz * table[i])) + continue; + + p.div.divider_value = table[i]; + p.div.freq_millihz = DIV_U64_ROUND_CLOSEST(p.pll.freq_millihz, table[i]); + p.div.error_millihz = freq_millihz - p.div.freq_millihz; + + if (p.div.error_millihz == 0) { + *pars = p; + return true; + } + + if (abs(best.div.error_millihz) > abs(p.div.error_millihz)) + best = p; + } + + if (best.div.error_millihz == S64_MAX) + return false; + + *pars = best; + return true; +} +EXPORT_SYMBOL_NS_GPL(rzv2h_get_pll_divs_pars, "RZV2H_CPG"); + +/** + * struct rzv2h_plldsi_mux_clk - PLL DSI MUX clock + * + * @priv: CPG private data + * @mux: mux clk + */ +struct rzv2h_plldsi_mux_clk { + struct rzv2h_cpg_priv *priv; + struct clk_mux mux; +}; + +#define to_plldsi_clk_mux(_mux) \ + container_of(_mux, struct rzv2h_plldsi_mux_clk, mux) + +static unsigned long rzv2h_cpg_plldsi_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct rzv2h_plldsi_div_clk *dsi_div = to_plldsi_div_clk(hw); + struct rzv2h_cpg_priv *priv = dsi_div->priv; + struct ddiv ddiv = dsi_div->ddiv; + u32 div; + + div = readl(priv->base + ddiv.offset); + div >>= ddiv.shift; + div &= clk_div_mask(ddiv.width); + div = dsi_div->dtable[div].div; + + return DIV_ROUND_CLOSEST_ULL(parent_rate, div); +} + +static int rzv2h_cpg_plldsi_div_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct rzv2h_plldsi_div_clk *dsi_div = to_plldsi_div_clk(hw); + struct pll_clk *pll_clk = to_pll(clk_hw_get_parent(hw)); + struct rzv2h_cpg_priv *priv = dsi_div->priv; + u8 table[RZV2H_MAX_DIV_TABLES] = { 0 }; + struct rzv2h_pll_div_pars *dsi_params; + struct rzv2h_pll_dsi_info *dsi_info; + const struct clk_div_table *div; + unsigned int i = 0; + u64 rate_millihz; + + dsi_info = &priv->pll_dsi_info[pll_clk->pll.instance]; + dsi_params = &dsi_info->pll_dsi_parameters; + + rate_millihz = mul_u32_u32(req->rate, MILLI); + if (rate_millihz == dsi_params->div.error_millihz + dsi_params->div.freq_millihz) + goto exit_determine_rate; + + for (div = dsi_div->dtable; div->div; div++) { + if (i >= RZV2H_MAX_DIV_TABLES) + return -EINVAL; + table[i++] = div->div; + } + + if (!rzv2h_get_pll_divs_pars(dsi_info->pll_dsi_limits, dsi_params, table, i, + rate_millihz)) { + dev_err(priv->dev, "failed to determine rate for req->rate: %lu\n", + req->rate); + return -EINVAL; + } + +exit_determine_rate: + req->rate = DIV_ROUND_CLOSEST_ULL(dsi_params->div.freq_millihz, MILLI); + req->best_parent_rate = req->rate * dsi_params->div.divider_value; + dsi_info->req_pll_dsi_rate = req->best_parent_rate; + + return 0; +} + +static int rzv2h_cpg_plldsi_div_set_rate(struct clk_hw *hw, + unsigned long rate, + unsigned long parent_rate) +{ + struct rzv2h_plldsi_div_clk *dsi_div = to_plldsi_div_clk(hw); + struct pll_clk *pll_clk = to_pll(clk_hw_get_parent(hw)); + struct rzv2h_cpg_priv *priv = dsi_div->priv; + struct rzv2h_pll_div_pars *dsi_params; + struct rzv2h_pll_dsi_info *dsi_info; + struct ddiv ddiv = dsi_div->ddiv; + const struct clk_div_table *clkt; + bool divider_found = false; + u32 val, shift; + + dsi_info = &priv->pll_dsi_info[pll_clk->pll.instance]; + dsi_params = &dsi_info->pll_dsi_parameters; + + for (clkt = dsi_div->dtable; clkt->div; clkt++) { + if (clkt->div == dsi_params->div.divider_value) { + divider_found = true; + break; + } + } + + if (!divider_found) + return -EINVAL; + + shift = ddiv.shift; + val = readl(priv->base + ddiv.offset) | DDIV_DIVCTL_WEN(shift); + val &= ~(clk_div_mask(ddiv.width) << shift); + val |= clkt->val << shift; + writel(val, priv->base + ddiv.offset); + + return 0; +} + +static const struct clk_ops rzv2h_cpg_plldsi_div_ops = { + .recalc_rate = rzv2h_cpg_plldsi_div_recalc_rate, + .determine_rate = rzv2h_cpg_plldsi_div_determine_rate, + .set_rate = rzv2h_cpg_plldsi_div_set_rate, +}; + +static struct clk * __init +rzv2h_cpg_plldsi_div_clk_register(const struct cpg_core_clk *core, + struct rzv2h_cpg_priv *priv) +{ + struct rzv2h_plldsi_div_clk *clk_hw_data; + struct clk **clks = priv->clks; + struct clk_init_data init; + const struct clk *parent; + const char *parent_name; + struct clk_hw *clk_hw; + int ret; + + parent = clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + clk_hw_data = devm_kzalloc(priv->dev, sizeof(*clk_hw_data), GFP_KERNEL); + if (!clk_hw_data) + return ERR_PTR(-ENOMEM); + + clk_hw_data->priv = priv; + clk_hw_data->ddiv = core->cfg.ddiv; + clk_hw_data->dtable = core->dtable; + + parent_name = __clk_get_name(parent); + init.name = core->name; + init.ops = &rzv2h_cpg_plldsi_div_ops; + init.flags = core->flag; + init.parent_names = &parent_name; + init.num_parents = 1; + + clk_hw = &clk_hw_data->hw; + clk_hw->init = &init; + + ret = devm_clk_hw_register(priv->dev, clk_hw); + if (ret) + return ERR_PTR(ret); + + return clk_hw->clk; +} + +static int rzv2h_cpg_plldsi_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct pll_clk *pll_clk = to_pll(hw); + struct rzv2h_cpg_priv *priv = pll_clk->priv; + struct rzv2h_pll_dsi_info *dsi_info; + u64 rate_millihz; + + dsi_info = &priv->pll_dsi_info[pll_clk->pll.instance]; + /* check if the divider has already invoked the algorithm */ + if (req->rate == dsi_info->req_pll_dsi_rate) + return 0; + + /* If the req->rate doesn't match we do the calculation assuming there is no divider */ + rate_millihz = mul_u32_u32(req->rate, MILLI); + if (!rzv2h_get_pll_pars(dsi_info->pll_dsi_limits, + &dsi_info->pll_dsi_parameters.pll, rate_millihz)) { + dev_err(priv->dev, + "failed to determine rate for req->rate: %lu\n", + req->rate); + return -EINVAL; + } + + req->rate = DIV_ROUND_CLOSEST_ULL(dsi_info->pll_dsi_parameters.pll.freq_millihz, MILLI); + dsi_info->req_pll_dsi_rate = req->rate; + + return 0; +} + +static int rzv2h_cpg_pll_set_rate(struct pll_clk *pll_clk, + struct rzv2h_pll_pars *params, + bool ssc_disable) +{ + struct rzv2h_cpg_priv *priv = pll_clk->priv; + u16 offset = pll_clk->pll.offset; + u32 val; + int ret; + + /* Put PLL into standby mode */ + writel(CPG_PLL_STBY_RESETB_WEN, priv->base + CPG_PLL_STBY(offset)); + ret = readl_poll_timeout_atomic(priv->base + CPG_PLL_MON(offset), + val, !(val & CPG_PLL_MON_LOCK), + 100, 2000); + if (ret) { + dev_err(priv->dev, "Failed to put PLLDSI into standby mode\n"); + return ret; + } + + /* Output clock setting 1 */ + writel(FIELD_PREP(CPG_PLL_CLK1_KDIV, (u16)params->k) | + FIELD_PREP(CPG_PLL_CLK1_MDIV, params->m) | + FIELD_PREP(CPG_PLL_CLK1_PDIV, params->p), + priv->base + CPG_PLL_CLK1(offset)); + + /* Output clock setting 2 */ + val = readl(priv->base + CPG_PLL_CLK2(offset)); + writel((val & ~CPG_PLL_CLK2_SDIV) | FIELD_PREP(CPG_PLL_CLK2_SDIV, params->s), + priv->base + CPG_PLL_CLK2(offset)); + + /* Put PLL to normal mode */ + if (ssc_disable) + val = CPG_PLL_STBY_SSC_EN_WEN; + else + val = CPG_PLL_STBY_SSC_EN_WEN | CPG_PLL_STBY_SSC_EN; + writel(val | CPG_PLL_STBY_RESETB_WEN | CPG_PLL_STBY_RESETB, + priv->base + CPG_PLL_STBY(offset)); + + /* PLL normal mode transition, output clock stability check */ + ret = readl_poll_timeout_atomic(priv->base + CPG_PLL_MON(offset), + val, (val & CPG_PLL_MON_LOCK), + 100, 2000); + if (ret) { + dev_err(priv->dev, "Failed to put PLLDSI into normal mode\n"); + return ret; + } + + return 0; +} + +static int rzv2h_cpg_plldsi_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct pll_clk *pll_clk = to_pll(hw); + struct rzv2h_pll_dsi_info *dsi_info; + struct rzv2h_cpg_priv *priv = pll_clk->priv; + + dsi_info = &priv->pll_dsi_info[pll_clk->pll.instance]; + + return rzv2h_cpg_pll_set_rate(pll_clk, &dsi_info->pll_dsi_parameters.pll, true); +} + +static u8 rzv2h_cpg_plldsi_smux_get_parent(struct clk_hw *hw) +{ + return clk_mux_ops.get_parent(hw); +} + +static int rzv2h_cpg_plldsi_smux_set_parent(struct clk_hw *hw, u8 index) +{ + return clk_mux_ops.set_parent(hw, index); +} + +static int rzv2h_cpg_plldsi_smux_lvds_determine_rate(struct rzv2h_cpg_priv *priv, + struct pll_clk *pll_clk, + struct clk_rate_request *req) +{ + struct rzv2h_pll_div_pars *dsi_params; + struct rzv2h_pll_dsi_info *dsi_info; + u8 lvds_table[] = { 7 }; + u64 rate_millihz; + + dsi_info = &priv->pll_dsi_info[pll_clk->pll.instance]; + dsi_params = &dsi_info->pll_dsi_parameters; + + rate_millihz = mul_u32_u32(req->rate, MILLI); + if (!rzv2h_get_pll_divs_pars(dsi_info->pll_dsi_limits, dsi_params, + lvds_table, ARRAY_SIZE(lvds_table), rate_millihz)) { + dev_err(priv->dev, "failed to determine rate for req->rate: %lu\n", + req->rate); + return -EINVAL; + } + + req->rate = DIV_ROUND_CLOSEST_ULL(dsi_params->div.freq_millihz, MILLI); + req->best_parent_rate = req->rate; + dsi_info->req_pll_dsi_rate = req->best_parent_rate * dsi_params->div.divider_value; + + return 0; +} + +static int rzv2h_cpg_plldsi_smux_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct clk_mux *mux = to_clk_mux(hw); + struct rzv2h_plldsi_mux_clk *dsi_mux = to_plldsi_clk_mux(mux); + struct pll_clk *pll_clk = to_pll(clk_hw_get_parent(hw)); + struct rzv2h_cpg_priv *priv = dsi_mux->priv; + + /* + * For LVDS output (parent index 0), calculate PLL parameters with + * fixed divider value of 7. For DSI/RGB output (parent index 1) skip + * PLL calculation here as it's handled by determine_rate of the + * divider (up one level). + */ + if (!clk_mux_ops.get_parent(hw)) + return rzv2h_cpg_plldsi_smux_lvds_determine_rate(priv, pll_clk, req); + + req->best_parent_rate = req->rate; + return 0; +} + +static int rzv2h_cpg_plldsi_smux_get_duty_cycle(struct clk_hw *hw, + struct clk_duty *duty) +{ + u8 parent = clk_mux_ops.get_parent(hw); + + /* + * CDIV7_DSIx_CLK - LVDS path (div7) - duty 4/7. + * CSDIV_DSIx - DSI/RGB path (csdiv) - duty 1/2. + */ + if (parent == 0) { + duty->num = CPG_PLLDSI_SMUX_LVDS_DUTY_NUM; + duty->den = CPG_PLLDSI_SMUX_LVDS_DUTY_DEN; + } else { + duty->num = CPG_PLLDSI_SMUX_DSI_RGB_DUTY_NUM; + duty->den = CPG_PLLDSI_SMUX_DSI_RGB_DUTY_DEN; + } + + return 0; +} + +static int rzv2h_cpg_plldsi_smux_set_duty_cycle(struct clk_hw *hw, + struct clk_duty *duty) +{ + struct clk_hw *parent_hw; + u8 parent_idx; + + /* + * Select parent based on requested duty cycle: + * - If duty > 50% (num/den > 1/2), select LVDS path (parent 0) + * - Otherwise, select DSI/RGB path (parent 1) + */ + if (duty->num * CPG_PLLDSI_SMUX_DSI_RGB_DUTY_DEN > + duty->den * CPG_PLLDSI_SMUX_DSI_RGB_DUTY_NUM) + parent_idx = 0; + else + parent_idx = 1; + + if (parent_idx >= clk_hw_get_num_parents(hw)) + return -EINVAL; + + parent_hw = clk_hw_get_parent_by_index(hw, parent_idx); + if (!parent_hw) + return -EINVAL; + + return clk_hw_set_parent(hw, parent_hw); +} + +static const struct clk_ops rzv2h_cpg_plldsi_smux_ops = { + .determine_rate = rzv2h_cpg_plldsi_smux_determine_rate, + .get_parent = rzv2h_cpg_plldsi_smux_get_parent, + .set_parent = rzv2h_cpg_plldsi_smux_set_parent, + .get_duty_cycle = rzv2h_cpg_plldsi_smux_get_duty_cycle, + .set_duty_cycle = rzv2h_cpg_plldsi_smux_set_duty_cycle, +}; + +static struct clk * __init +rzv2h_cpg_plldsi_smux_clk_register(const struct cpg_core_clk *core, + struct rzv2h_cpg_priv *priv) +{ + struct rzv2h_plldsi_mux_clk *clk_hw_data; + struct clk_init_data init; + struct clk_hw *clk_hw; + struct smuxed smux; + int ret; + + smux = core->cfg.smux; + + if (smux.shift + smux.width > 16) { + dev_err(priv->dev, "mux value exceeds LOWORD field\n"); + return ERR_PTR(-EINVAL); + } + + clk_hw_data = devm_kzalloc(priv->dev, sizeof(*clk_hw_data), GFP_KERNEL); + if (!clk_hw_data) + return ERR_PTR(-ENOMEM); + + clk_hw_data->priv = priv; + + init.name = core->name; + init.ops = &rzv2h_cpg_plldsi_smux_ops; + init.flags = core->flag; + init.parent_names = core->parent_names; + init.num_parents = core->num_parents; + + clk_hw_data->mux.reg = priv->base + smux.offset; + + clk_hw_data->mux.shift = smux.shift; + clk_hw_data->mux.mask = clk_div_mask(smux.width); + clk_hw_data->mux.flags = core->mux_flags; + clk_hw_data->mux.lock = &priv->rmw_lock; + + clk_hw = &clk_hw_data->mux.hw; + clk_hw->init = &init; + + ret = devm_clk_hw_register(priv->dev, clk_hw); + if (ret) + return ERR_PTR(ret); + + return clk_hw->clk; +} + +static int rzv2h_cpg_pll_clk_is_enabled(struct clk_hw *hw) +{ + struct pll_clk *pll_clk = to_pll(hw); + struct rzv2h_cpg_priv *priv = pll_clk->priv; + u32 val = readl(priv->base + CPG_PLL_MON(pll_clk->pll.offset)); + + /* Ensure both RESETB and LOCK bits are set */ + return (val & (CPG_PLL_MON_RESETB | CPG_PLL_MON_LOCK)) == + (CPG_PLL_MON_RESETB | CPG_PLL_MON_LOCK); +} + +static int rzv2h_cpg_pll_clk_enable(struct clk_hw *hw) +{ + struct pll_clk *pll_clk = to_pll(hw); + struct rzv2h_cpg_priv *priv = pll_clk->priv; + struct pll pll = pll_clk->pll; + u32 stby_offset; + u32 mon_offset; + u32 val; + int ret; + + if (rzv2h_cpg_pll_clk_is_enabled(hw)) + return 0; + + stby_offset = CPG_PLL_STBY(pll.offset); + mon_offset = CPG_PLL_MON(pll.offset); + + writel(CPG_PLL_STBY_RESETB_WEN | CPG_PLL_STBY_RESETB, + priv->base + stby_offset); + + /* + * Ensure PLL enters into normal mode + * + * Note: There is no HW information about the worst case latency. + * + * Since this latency might depend on external crystal or PLL rate, + * use a "super" safe timeout value. + */ + ret = readl_poll_timeout_atomic(priv->base + mon_offset, val, + (val & (CPG_PLL_MON_RESETB | CPG_PLL_MON_LOCK)) == + (CPG_PLL_MON_RESETB | CPG_PLL_MON_LOCK), 200, 2000); + if (ret) + dev_err(priv->dev, "Failed to enable PLL 0x%x/%pC\n", + stby_offset, hw->clk); + + return ret; +} + +static unsigned long rzv2h_cpg_pll_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct pll_clk *pll_clk = to_pll(hw); + struct rzv2h_cpg_priv *priv = pll_clk->priv; + struct pll pll = pll_clk->pll; + unsigned int clk1, clk2; + u64 rate; + + if (!pll.has_clkn) + return 0; + + clk1 = readl(priv->base + CPG_PLL_CLK1(pll.offset)); + clk2 = readl(priv->base + CPG_PLL_CLK2(pll.offset)); + + rate = mul_u64_u32_shr(parent_rate, (FIELD_GET(CPG_PLL_CLK1_MDIV, clk1) << 16) + + (s16)FIELD_GET(CPG_PLL_CLK1_KDIV, clk1), + 16 + FIELD_GET(CPG_PLL_CLK2_SDIV, clk2)); + + return DIV_ROUND_CLOSEST_ULL(rate, FIELD_GET(CPG_PLL_CLK1_PDIV, clk1)); +} + +static const struct clk_ops rzv2h_cpg_plldsi_ops = { + .recalc_rate = rzv2h_cpg_pll_clk_recalc_rate, + .determine_rate = rzv2h_cpg_plldsi_determine_rate, + .set_rate = rzv2h_cpg_plldsi_set_rate, +}; + +static const struct clk_ops rzv2h_cpg_pll_ops = { + .is_enabled = rzv2h_cpg_pll_clk_is_enabled, + .enable = rzv2h_cpg_pll_clk_enable, + .recalc_rate = rzv2h_cpg_pll_clk_recalc_rate, +}; + +static struct clk * __init +rzv2h_cpg_pll_clk_register(const struct cpg_core_clk *core, + struct rzv2h_cpg_priv *priv, + const struct clk_ops *ops) +{ + struct device *dev = priv->dev; + struct clk_init_data init; + const struct clk *parent; + const char *parent_name; + struct pll_clk *pll_clk; + int ret; + + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + pll_clk = devm_kzalloc(dev, sizeof(*pll_clk), GFP_KERNEL); + if (!pll_clk) + return ERR_PTR(-ENOMEM); + + if (core->type == CLK_TYPE_PLLDSI) + priv->pll_dsi_info[core->cfg.pll.instance].pll_dsi_limits = + core->cfg.pll.limits; + + parent_name = __clk_get_name(parent); + init.name = core->name; + init.ops = ops; + init.flags = 0; + init.parent_names = &parent_name; + init.num_parents = 1; + + pll_clk->hw.init = &init; + pll_clk->pll = core->cfg.pll; + pll_clk->priv = priv; + + ret = devm_clk_hw_register(dev, &pll_clk->hw); + if (ret) + return ERR_PTR(ret); + + return pll_clk->hw.clk; +} + +static unsigned long rzv2h_ddiv_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_divider *divider = to_clk_divider(hw); + unsigned int val; + + val = readl(divider->reg) >> divider->shift; + val &= clk_div_mask(divider->width); + + return divider_recalc_rate(hw, parent_rate, val, divider->table, + divider->flags, divider->width); +} + +static int rzv2h_ddiv_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct clk_divider *divider = to_clk_divider(hw); + + return divider_determine_rate(hw, req, divider->table, divider->width, + divider->flags); +} + +static inline int rzv2h_cpg_wait_ddiv_clk_update_done(void __iomem *base, u8 mon) +{ + u32 bitmask = BIT(mon); + u32 val; + + if (mon == CSDIV_NO_MON) + return 0; + + return readl_poll_timeout_atomic(base + CPG_CLKSTATUS0, val, !(val & bitmask), 10, 200); +} + +static int rzv2h_ddiv_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_divider *divider = to_clk_divider(hw); + struct ddiv_clk *ddiv = to_ddiv_clock(divider); + struct rzv2h_cpg_priv *priv = ddiv->priv; + unsigned long flags = 0; + int value; + u32 val; + int ret; + + value = divider_get_val(rate, parent_rate, divider->table, + divider->width, divider->flags); + if (value < 0) + return value; + + spin_lock_irqsave(divider->lock, flags); + + ret = rzv2h_cpg_wait_ddiv_clk_update_done(priv->base, ddiv->mon); + if (ret) + goto ddiv_timeout; + + val = readl(divider->reg) | DDIV_DIVCTL_WEN(divider->shift); + val &= ~(clk_div_mask(divider->width) << divider->shift); + val |= (u32)value << divider->shift; + writel(val, divider->reg); + + ret = rzv2h_cpg_wait_ddiv_clk_update_done(priv->base, ddiv->mon); + +ddiv_timeout: + spin_unlock_irqrestore(divider->lock, flags); + return ret; +} + +static const struct clk_ops rzv2h_ddiv_clk_divider_ops = { + .recalc_rate = rzv2h_ddiv_recalc_rate, + .determine_rate = rzv2h_ddiv_determine_rate, + .set_rate = rzv2h_ddiv_set_rate, +}; + +static struct clk * __init +rzv2h_cpg_ddiv_clk_register(const struct cpg_core_clk *core, + struct rzv2h_cpg_priv *priv) +{ + struct ddiv cfg_ddiv = core->cfg.ddiv; + struct clk_init_data init = {}; + struct device *dev = priv->dev; + u8 shift = cfg_ddiv.shift; + u8 width = cfg_ddiv.width; + const struct clk *parent; + const char *parent_name; + struct clk_divider *div; + struct ddiv_clk *ddiv; + int ret; + + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + parent_name = __clk_get_name(parent); + + if ((shift + width) > 16) + return ERR_PTR(-EINVAL); + + ddiv = devm_kzalloc(priv->dev, sizeof(*ddiv), GFP_KERNEL); + if (!ddiv) + return ERR_PTR(-ENOMEM); + + init.name = core->name; + if (cfg_ddiv.no_rmw) + init.ops = &clk_divider_ops; + else + init.ops = &rzv2h_ddiv_clk_divider_ops; + init.parent_names = &parent_name; + init.num_parents = 1; + init.flags = CLK_SET_RATE_PARENT; + + ddiv->priv = priv; + ddiv->mon = cfg_ddiv.monbit; + div = &ddiv->div; + div->reg = priv->base + cfg_ddiv.offset; + div->shift = shift; + div->width = width; + div->flags = core->flag; + div->lock = &priv->rmw_lock; + div->hw.init = &init; + div->table = core->dtable; + + ret = devm_clk_hw_register(dev, &div->hw); + if (ret) + return ERR_PTR(ret); + + return div->hw.clk; +} + +static struct clk * __init +rzv2h_cpg_mux_clk_register(const struct cpg_core_clk *core, + struct rzv2h_cpg_priv *priv) +{ + struct smuxed mux = core->cfg.smux; + const struct clk_hw *clk_hw; + + clk_hw = devm_clk_hw_register_mux(priv->dev, core->name, + core->parent_names, core->num_parents, + core->flag, priv->base + mux.offset, + mux.shift, mux.width, + core->mux_flags, &priv->rmw_lock); + if (IS_ERR(clk_hw)) + return ERR_CAST(clk_hw); + + return clk_hw->clk; +} + +static int +rzv2h_clk_ff_mod_status_is_enabled(struct clk_hw *hw) +{ + struct rzv2h_ff_mod_status_clk *fix = to_rzv2h_ff_mod_status_clk(hw); + struct rzv2h_cpg_priv *priv = fix->priv; + u32 offset = GET_CLK_MON_OFFSET(fix->conf.mon_index); + u32 bitmask = BIT(fix->conf.mon_bit); + u32 val; + + val = readl(priv->base + offset); + return !!(val & bitmask); +} + +static struct clk * __init +rzv2h_cpg_fixed_mod_status_clk_register(const struct cpg_core_clk *core, + struct rzv2h_cpg_priv *priv) +{ + struct rzv2h_ff_mod_status_clk *clk_hw_data; + struct clk_init_data init = { }; + struct clk_fixed_factor *fix; + const struct clk *parent; + const char *parent_name; + int ret; + + WARN_DEBUG(core->parent >= priv->num_core_clks); + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + parent_name = __clk_get_name(parent); + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + clk_hw_data = devm_kzalloc(priv->dev, sizeof(*clk_hw_data), GFP_KERNEL); + if (!clk_hw_data) + return ERR_PTR(-ENOMEM); + + clk_hw_data->priv = priv; + clk_hw_data->conf = core->cfg.fixed_mod; + + init.name = core->name; + init.ops = priv->ff_mod_status_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = &parent_name; + init.num_parents = 1; + + fix = &clk_hw_data->fix; + fix->hw.init = &init; + fix->mult = core->mult; + fix->div = core->div; + + ret = devm_clk_hw_register(priv->dev, &clk_hw_data->fix.hw); + if (ret) + return ERR_PTR(ret); + + return clk_hw_data->fix.hw.clk; +} + +static struct clk +*rzv2h_cpg_clk_src_twocell_get(struct of_phandle_args *clkspec, + void *data) +{ + unsigned int clkidx = clkspec->args[1]; + struct rzv2h_cpg_priv *priv = data; + struct device *dev = priv->dev; + const char *type; + struct clk *clk; + + switch (clkspec->args[0]) { + case CPG_CORE: + type = "core"; + if (clkidx > priv->last_dt_core_clk) { + dev_err(dev, "Invalid %s clock index %u\n", type, clkidx); + return ERR_PTR(-EINVAL); + } + clk = priv->clks[clkidx]; + break; + + case CPG_MOD: + type = "module"; + if (clkidx >= priv->num_mod_clks) { + dev_err(dev, "Invalid %s clock index %u\n", type, clkidx); + return ERR_PTR(-EINVAL); + } + clk = priv->clks[priv->num_core_clks + clkidx]; + break; + + default: + dev_err(dev, "Invalid CPG clock type %u\n", clkspec->args[0]); + return ERR_PTR(-EINVAL); + } + + if (IS_ERR(clk)) + dev_err(dev, "Cannot get %s clock %u: %ld\n", type, clkidx, + PTR_ERR(clk)); + else + dev_dbg(dev, "clock (%u, %u) is %pC at %lu Hz\n", + clkspec->args[0], clkspec->args[1], clk, + clk_get_rate(clk)); + return clk; +} + +static void __init +rzv2h_cpg_register_core_clk(const struct cpg_core_clk *core, + struct rzv2h_cpg_priv *priv) +{ + struct clk *clk = ERR_PTR(-EOPNOTSUPP), *parent; + unsigned int id = core->id, div = core->div; + struct device *dev = priv->dev; + const char *parent_name; + struct clk_hw *clk_hw; + + WARN_DEBUG(id >= priv->num_core_clks); + WARN_DEBUG(PTR_ERR(priv->clks[id]) != -ENOENT); + + switch (core->type) { + case CLK_TYPE_IN: + clk = of_clk_get_by_name(priv->dev->of_node, core->name); + break; + case CLK_TYPE_FF: + WARN_DEBUG(core->parent >= priv->num_core_clks); + parent = priv->clks[core->parent]; + if (IS_ERR(parent)) { + clk = parent; + goto fail; + } + + parent_name = __clk_get_name(parent); + clk_hw = devm_clk_hw_register_fixed_factor(dev, core->name, + parent_name, CLK_SET_RATE_PARENT, + core->mult, div); + if (IS_ERR(clk_hw)) + clk = ERR_CAST(clk_hw); + else + clk = clk_hw->clk; + break; + case CLK_TYPE_FF_MOD_STATUS: + if (!priv->ff_mod_status_ops) { + priv->ff_mod_status_ops = + devm_kzalloc(dev, sizeof(*priv->ff_mod_status_ops), GFP_KERNEL); + if (!priv->ff_mod_status_ops) { + clk = ERR_PTR(-ENOMEM); + goto fail; + } + memcpy(priv->ff_mod_status_ops, &clk_fixed_factor_ops, + sizeof(const struct clk_ops)); + priv->ff_mod_status_ops->is_enabled = rzv2h_clk_ff_mod_status_is_enabled; + } + clk = rzv2h_cpg_fixed_mod_status_clk_register(core, priv); + break; + case CLK_TYPE_PLL: + clk = rzv2h_cpg_pll_clk_register(core, priv, &rzv2h_cpg_pll_ops); + break; + case CLK_TYPE_DDIV: + clk = rzv2h_cpg_ddiv_clk_register(core, priv); + break; + case CLK_TYPE_SMUX: + clk = rzv2h_cpg_mux_clk_register(core, priv); + break; + case CLK_TYPE_PLLDSI: + clk = rzv2h_cpg_pll_clk_register(core, priv, &rzv2h_cpg_plldsi_ops); + break; + case CLK_TYPE_PLLDSI_DIV: + clk = rzv2h_cpg_plldsi_div_clk_register(core, priv); + break; + case CLK_TYPE_PLLDSI_SMUX: + clk = rzv2h_cpg_plldsi_smux_clk_register(core, priv); + break; + default: + goto fail; + } + + if (IS_ERR(clk)) + goto fail; + + dev_dbg(dev, "Core clock %pC at %lu Hz\n", clk, clk_get_rate(clk)); + priv->clks[id] = clk; + return; + +fail: + dev_err(dev, "Failed to register core clock %s: %ld\n", + core->name, PTR_ERR(clk)); +} + +static void rzv2h_mod_clock_mstop_enable(struct rzv2h_cpg_priv *priv, + u32 mstop_data) +{ + unsigned long mstop_mask = FIELD_GET(BUS_MSTOP_BITS_MASK, mstop_data); + u16 mstop_index = FIELD_GET(BUS_MSTOP_IDX_MASK, mstop_data); + atomic_t *mstop = &priv->mstop_count[mstop_index * 16]; + unsigned long flags; + unsigned int i; + u32 val = 0; + + spin_lock_irqsave(&priv->rmw_lock, flags); + for_each_set_bit(i, &mstop_mask, 16) { + if (!atomic_read(&mstop[i])) + val |= BIT(i) << 16; + atomic_inc(&mstop[i]); + } + if (val) + writel(val, priv->base + CPG_BUS_MSTOP(mstop_index)); + spin_unlock_irqrestore(&priv->rmw_lock, flags); +} + +static void rzv2h_mod_clock_mstop_disable(struct rzv2h_cpg_priv *priv, + u32 mstop_data) +{ + unsigned long mstop_mask = FIELD_GET(BUS_MSTOP_BITS_MASK, mstop_data); + u16 mstop_index = FIELD_GET(BUS_MSTOP_IDX_MASK, mstop_data); + atomic_t *mstop = &priv->mstop_count[mstop_index * 16]; + unsigned long flags; + unsigned int i; + u32 val = 0; + + spin_lock_irqsave(&priv->rmw_lock, flags); + for_each_set_bit(i, &mstop_mask, 16) { + if (!atomic_read(&mstop[i]) || + atomic_dec_and_test(&mstop[i])) + val |= BIT(i) << 16 | BIT(i); + } + if (val) + writel(val, priv->base + CPG_BUS_MSTOP(mstop_index)); + spin_unlock_irqrestore(&priv->rmw_lock, flags); +} + +static int rzv2h_parent_clk_mux_to_index(struct clk_hw *hw) +{ + struct clk_hw *parent_hw; + struct clk *parent_clk; + struct clk_mux *mux; + u32 val; + + /* This will always succeed, so no need to check for IS_ERR() */ + parent_clk = clk_get_parent(hw->clk); + + parent_hw = __clk_get_hw(parent_clk); + mux = to_clk_mux(parent_hw); + + val = readl(mux->reg) >> mux->shift; + val &= mux->mask; + return clk_mux_val_to_index(parent_hw, mux->table, 0, val); +} + +static int rzv2h_mod_clock_is_enabled(struct clk_hw *hw) +{ + struct mod_clock *clock = to_mod_clock(hw); + struct rzv2h_cpg_priv *priv = clock->priv; + int mon_index = clock->mon_index; + u32 bitmask; + u32 offset; + + if (clock->ext_clk_mux_index >= 0 && + rzv2h_parent_clk_mux_to_index(hw) == clock->ext_clk_mux_index) + mon_index = -1; + + if (mon_index >= 0) { + offset = GET_CLK_MON_OFFSET(mon_index); + bitmask = BIT(clock->mon_bit); + + if (!(readl(priv->base + offset) & bitmask)) + return 0; + } + + offset = GET_CLK_ON_OFFSET(clock->on_index); + bitmask = BIT(clock->on_bit); + + return readl(priv->base + offset) & bitmask; +} + +static int rzv2h_mod_clock_endisable(struct clk_hw *hw, bool enable) +{ + bool enabled = rzv2h_mod_clock_is_enabled(hw); + struct mod_clock *clock = to_mod_clock(hw); + unsigned int reg = GET_CLK_ON_OFFSET(clock->on_index); + struct rzv2h_cpg_priv *priv = clock->priv; + u32 bitmask = BIT(clock->on_bit); + struct device *dev = priv->dev; + u32 value; + int error; + + dev_dbg(dev, "CLK_ON 0x%x/%pC %s\n", reg, hw->clk, + str_on_off(enable)); + + if (enabled == enable) + return 0; + + value = bitmask << 16; + if (enable) { + value |= bitmask; + writel(value, priv->base + reg); + if (clock->mstop_data != BUS_MSTOP_NONE) + rzv2h_mod_clock_mstop_enable(priv, clock->mstop_data); + } else { + if (clock->mstop_data != BUS_MSTOP_NONE) + rzv2h_mod_clock_mstop_disable(priv, clock->mstop_data); + writel(value, priv->base + reg); + } + + if (!enable || clock->mon_index < 0) + return 0; + + reg = GET_CLK_MON_OFFSET(clock->mon_index); + bitmask = BIT(clock->mon_bit); + error = readl_poll_timeout_atomic(priv->base + reg, value, + value & bitmask, 0, 10); + if (error) + dev_err(dev, "Failed to enable CLK_ON 0x%x/%pC\n", + GET_CLK_ON_OFFSET(clock->on_index), hw->clk); + + return error; +} + +static int rzv2h_mod_clock_enable(struct clk_hw *hw) +{ + return rzv2h_mod_clock_endisable(hw, true); +} + +static void rzv2h_mod_clock_disable(struct clk_hw *hw) +{ + rzv2h_mod_clock_endisable(hw, false); +} + +static const struct clk_ops rzv2h_mod_clock_ops = { + .enable = rzv2h_mod_clock_enable, + .disable = rzv2h_mod_clock_disable, + .is_enabled = rzv2h_mod_clock_is_enabled, +}; + +static void __init +rzv2h_cpg_register_mod_clk(const struct rzv2h_mod_clk *mod, + struct rzv2h_cpg_priv *priv) +{ + struct mod_clock *clock = NULL; + struct device *dev = priv->dev; + struct clk_init_data init; + struct clk *parent, *clk; + const char *parent_name; + unsigned int id; + int ret; + + id = GET_MOD_CLK_ID(priv->num_core_clks, mod->on_index, mod->on_bit); + WARN_DEBUG(id >= priv->num_core_clks + priv->num_mod_clks); + WARN_DEBUG(mod->parent >= priv->num_core_clks + priv->num_mod_clks); + WARN_DEBUG(PTR_ERR(priv->clks[id]) != -ENOENT); + + parent = priv->clks[mod->parent]; + if (IS_ERR(parent)) { + clk = parent; + goto fail; + } + + clock = devm_kzalloc(dev, sizeof(*clock), GFP_KERNEL); + if (!clock) { + clk = ERR_PTR(-ENOMEM); + goto fail; + } + + init.name = mod->name; + init.ops = &rzv2h_mod_clock_ops; + init.flags = CLK_SET_RATE_PARENT; + if (mod->critical) + init.flags |= CLK_IS_CRITICAL; + + parent_name = __clk_get_name(parent); + init.parent_names = &parent_name; + init.num_parents = 1; + + clock->on_index = mod->on_index; + clock->on_bit = mod->on_bit; + clock->mon_index = mod->mon_index; + clock->mon_bit = mod->mon_bit; + clock->no_pm = mod->no_pm; + clock->ext_clk_mux_index = mod->ext_clk_mux_index; + clock->priv = priv; + clock->hw.init = &init; + clock->mstop_data = mod->mstop_data; + + ret = devm_clk_hw_register(dev, &clock->hw); + if (ret) { + clk = ERR_PTR(ret); + goto fail; + } + + priv->clks[id] = clock->hw.clk; + + /* + * Ensure the module clocks and MSTOP bits are synchronized when they are + * turned ON by the bootloader. Enable MSTOP bits for module clocks that were + * turned ON in an earlier boot stage. + */ + if (clock->mstop_data != BUS_MSTOP_NONE && + !mod->critical && rzv2h_mod_clock_is_enabled(&clock->hw)) { + rzv2h_mod_clock_mstop_enable(priv, clock->mstop_data); + } else if (clock->mstop_data != BUS_MSTOP_NONE && mod->critical) { + unsigned long mstop_mask = FIELD_GET(BUS_MSTOP_BITS_MASK, clock->mstop_data); + u16 mstop_index = FIELD_GET(BUS_MSTOP_IDX_MASK, clock->mstop_data); + atomic_t *mstop = &priv->mstop_count[mstop_index * 16]; + unsigned long flags; + unsigned int i; + u32 val = 0; + + /* + * Critical clocks are turned ON immediately upon registration, and the + * MSTOP counter is updated through the rzv2h_mod_clock_enable() path. + * However, if the critical clocks were already turned ON by the initial + * bootloader, synchronize the atomic counter here and clear the MSTOP bit. + */ + spin_lock_irqsave(&priv->rmw_lock, flags); + for_each_set_bit(i, &mstop_mask, 16) { + if (atomic_read(&mstop[i])) + continue; + val |= BIT(i) << 16; + atomic_inc(&mstop[i]); + } + if (val) + writel(val, priv->base + CPG_BUS_MSTOP(mstop_index)); + spin_unlock_irqrestore(&priv->rmw_lock, flags); + } + + return; + +fail: + dev_err(dev, "Failed to register module clock %s: %ld\n", + mod->name, PTR_ERR(clk)); +} + +static int __rzv2h_cpg_assert(struct reset_controller_dev *rcdev, + unsigned long id, bool assert) +{ + struct rzv2h_cpg_priv *priv = rcdev_to_priv(rcdev); + unsigned int reg = GET_RST_OFFSET(priv->resets[id].reset_index); + u32 mask = BIT(priv->resets[id].reset_bit); + u8 monbit = priv->resets[id].mon_bit; + u32 value = mask << 16; + u32 mon; + int ret; + + dev_dbg(rcdev->dev, "%s id:%ld offset:0x%x\n", + assert ? "assert" : "deassert", id, reg); + + if (!assert) + value |= mask; + writel(value, priv->base + reg); + + reg = GET_RST_MON_OFFSET(priv->resets[id].mon_index); + mask = BIT(monbit); + + ret = readl_poll_timeout_atomic(priv->base + reg, mon, + assert == !!(mon & mask), 10, 200); + if (ret) { + value ^= mask; + writel(value, priv->base + GET_RST_OFFSET(priv->resets[id].reset_index)); + } + + return ret; +} + +static int rzv2h_cpg_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return __rzv2h_cpg_assert(rcdev, id, true); +} + +static int rzv2h_cpg_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return __rzv2h_cpg_assert(rcdev, id, false); +} + +static int rzv2h_cpg_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + int ret; + + ret = rzv2h_cpg_assert(rcdev, id); + if (ret) + return ret; + + return rzv2h_cpg_deassert(rcdev, id); +} + +static int rzv2h_cpg_status(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct rzv2h_cpg_priv *priv = rcdev_to_priv(rcdev); + unsigned int reg = GET_RST_MON_OFFSET(priv->resets[id].mon_index); + u8 monbit = priv->resets[id].mon_bit; + + return !!(readl(priv->base + reg) & BIT(monbit)); +} + +static const struct reset_control_ops rzv2h_cpg_reset_ops = { + .reset = rzv2h_cpg_reset, + .assert = rzv2h_cpg_assert, + .deassert = rzv2h_cpg_deassert, + .status = rzv2h_cpg_status, +}; + +static int rzv2h_cpg_reset_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + struct rzv2h_cpg_priv *priv = rcdev_to_priv(rcdev); + unsigned int id = reset_spec->args[0]; + u8 rst_index = id / 16; + u8 rst_bit = id % 16; + unsigned int i; + + for (i = 0; i < rcdev->nr_resets; i++) { + if (rst_index == priv->resets[i].reset_index && + rst_bit == priv->resets[i].reset_bit) + return i; + } + + return -EINVAL; +} + +static int rzv2h_cpg_reset_controller_register(struct rzv2h_cpg_priv *priv) +{ + priv->rcdev.ops = &rzv2h_cpg_reset_ops; + priv->rcdev.of_node = priv->dev->of_node; + priv->rcdev.dev = priv->dev; + priv->rcdev.of_reset_n_cells = 1; + priv->rcdev.of_xlate = rzv2h_cpg_reset_xlate; + priv->rcdev.nr_resets = priv->num_resets; + + return devm_reset_controller_register(priv->dev, &priv->rcdev); +} + +/** + * struct rzv2h_cpg_pd - RZ/V2H power domain data structure + * @priv: pointer to CPG private data structure + * @genpd: generic PM domain + */ +struct rzv2h_cpg_pd { + struct rzv2h_cpg_priv *priv; + struct generic_pm_domain genpd; +}; + +static bool rzv2h_cpg_is_pm_clk(struct rzv2h_cpg_pd *pd, + const struct of_phandle_args *clkspec) +{ + if (clkspec->np != pd->genpd.dev.of_node || clkspec->args_count != 2) + return false; + + switch (clkspec->args[0]) { + case CPG_MOD: { + struct rzv2h_cpg_priv *priv = pd->priv; + unsigned int id = clkspec->args[1]; + struct mod_clock *clock; + + if (id >= priv->num_mod_clks) + return false; + + if (priv->clks[priv->num_core_clks + id] == ERR_PTR(-ENOENT)) + return false; + + clock = to_mod_clock(__clk_get_hw(priv->clks[priv->num_core_clks + id])); + + return !clock->no_pm; + } + + case CPG_CORE: + default: + return false; + } +} + +static int rzv2h_cpg_attach_dev(struct generic_pm_domain *domain, struct device *dev) +{ + struct rzv2h_cpg_pd *pd = container_of(domain, struct rzv2h_cpg_pd, genpd); + struct device_node *np = dev->of_node; + struct of_phandle_args clkspec; + bool once = true; + struct clk *clk; + unsigned int i; + int error; + + for (i = 0; !of_parse_phandle_with_args(np, "clocks", "#clock-cells", i, &clkspec); i++) { + if (!rzv2h_cpg_is_pm_clk(pd, &clkspec)) { + of_node_put(clkspec.np); + continue; + } + + if (once) { + once = false; + error = pm_clk_create(dev); + if (error) { + of_node_put(clkspec.np); + goto err; + } + } + clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); + if (IS_ERR(clk)) { + error = PTR_ERR(clk); + goto fail_destroy; + } + + error = pm_clk_add_clk(dev, clk); + if (error) { + dev_err(dev, "pm_clk_add_clk failed %d\n", + error); + goto fail_put; + } + } + + return 0; + +fail_put: + clk_put(clk); + +fail_destroy: + pm_clk_destroy(dev); +err: + return error; +} + +static void rzv2h_cpg_detach_dev(struct generic_pm_domain *unused, struct device *dev) +{ + if (!pm_clk_no_clocks(dev)) + pm_clk_destroy(dev); +} + +static void rzv2h_cpg_genpd_remove_simple(void *data) +{ + pm_genpd_remove(data); +} + +static int __init rzv2h_cpg_add_pm_domains(struct rzv2h_cpg_priv *priv) +{ + struct device *dev = priv->dev; + struct device_node *np = dev->of_node; + struct rzv2h_cpg_pd *pd; + int ret; + + pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL); + if (!pd) + return -ENOMEM; + + pd->genpd.name = np->name; + pd->priv = priv; + pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON | GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP; + pd->genpd.attach_dev = rzv2h_cpg_attach_dev; + pd->genpd.detach_dev = rzv2h_cpg_detach_dev; + ret = pm_genpd_init(&pd->genpd, &pm_domain_always_on_gov, false); + if (ret) + return ret; + + ret = devm_add_action_or_reset(dev, rzv2h_cpg_genpd_remove_simple, &pd->genpd); + if (ret) + return ret; + + return of_genpd_add_provider_simple(np, &pd->genpd); +} + +static void rzv2h_cpg_del_clk_provider(void *data) +{ + of_clk_del_provider(data); +} + +static int __init rzv2h_cpg_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + const struct rzv2h_cpg_info *info; + struct rzv2h_cpg_priv *priv; + unsigned int nclks, i; + struct clk **clks; + int error; + + info = of_device_get_match_data(dev); + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + spin_lock_init(&priv->rmw_lock); + + priv->dev = dev; + + priv->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(priv->base)) + return PTR_ERR(priv->base); + + nclks = info->num_total_core_clks + info->num_hw_mod_clks; + clks = devm_kmalloc_array(dev, nclks, sizeof(*clks), GFP_KERNEL); + if (!clks) + return -ENOMEM; + + priv->mstop_count = devm_kcalloc(dev, info->num_mstop_bits, + sizeof(*priv->mstop_count), GFP_KERNEL); + if (!priv->mstop_count) + return -ENOMEM; + + /* Adjust for CPG_BUS_m_MSTOP starting from m = 1 */ + priv->mstop_count -= 16; + + priv->resets = devm_kmemdup_array(dev, info->resets, info->num_resets, + sizeof(*info->resets), GFP_KERNEL); + if (!priv->resets) + return -ENOMEM; + + dev_set_drvdata(dev, priv); + priv->clks = clks; + priv->num_core_clks = info->num_total_core_clks; + priv->num_mod_clks = info->num_hw_mod_clks; + priv->last_dt_core_clk = info->last_dt_core_clk; + priv->num_resets = info->num_resets; + + for (i = 0; i < nclks; i++) + clks[i] = ERR_PTR(-ENOENT); + + for (i = 0; i < info->num_core_clks; i++) + rzv2h_cpg_register_core_clk(&info->core_clks[i], priv); + + for (i = 0; i < info->num_mod_clks; i++) + rzv2h_cpg_register_mod_clk(&info->mod_clks[i], priv); + + error = of_clk_add_provider(np, rzv2h_cpg_clk_src_twocell_get, priv); + if (error) + return error; + + error = devm_add_action_or_reset(dev, rzv2h_cpg_del_clk_provider, np); + if (error) + return error; + + error = rzv2h_cpg_add_pm_domains(priv); + if (error) + return error; + + error = rzv2h_cpg_reset_controller_register(priv); + if (error) + return error; + + return 0; +} + +static const struct of_device_id rzv2h_cpg_match[] = { +#ifdef CONFIG_CLK_R9A09G047 + { + .compatible = "renesas,r9a09g047-cpg", + .data = &r9a09g047_cpg_info, + }, +#endif +#ifdef CONFIG_CLK_R9A09G056 + { + .compatible = "renesas,r9a09g056-cpg", + .data = &r9a09g056_cpg_info, + }, +#endif +#ifdef CONFIG_CLK_R9A09G057 + { + .compatible = "renesas,r9a09g057-cpg", + .data = &r9a09g057_cpg_info, + }, +#endif + { /* sentinel */ } +}; + +static struct platform_driver rzv2h_cpg_driver = { + .driver = { + .name = "rzv2h-cpg", + .of_match_table = rzv2h_cpg_match, + }, +}; + +static int __init rzv2h_cpg_init(void) +{ + return platform_driver_probe(&rzv2h_cpg_driver, rzv2h_cpg_probe); +} + +subsys_initcall(rzv2h_cpg_init); + +MODULE_DESCRIPTION("Renesas RZ/V2H CPG Driver"); diff --git a/drivers/clk/renesas/rzv2h-cpg.h b/drivers/clk/renesas/rzv2h-cpg.h new file mode 100644 index 000000000..dec0f7b62 --- /dev/null +++ b/drivers/clk/renesas/rzv2h-cpg.h @@ -0,0 +1,380 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Renesas RZ/V2H(P) Clock Pulse Generator + * + * Copyright (C) 2024 Renesas Electronics Corp. + */ + +#ifndef __RENESAS_RZV2H_CPG_H__ +#define __RENESAS_RZV2H_CPG_H__ + +#include <linux/bitfield.h> +#include <linux/types.h> + +/** + * struct pll - Structure for PLL configuration + * + * @offset: STBY register offset + * @has_clkn: Flag to indicate if CLK1/2 are accessible or not + * @instance: PLL instance number + */ +struct pll { + unsigned int offset:9; + unsigned int has_clkn:1; + unsigned int instance:2; + const struct rzv2h_pll_limits *limits; +}; + +#define PLL_PACK_LIMITS(_offset, _has_clkn, _instance, _limits) \ + ((struct pll){ \ + .offset = _offset, \ + .has_clkn = _has_clkn, \ + .instance = _instance, \ + .limits = _limits \ + }) + +#define PLL_PACK(_offset, _has_clkn, _instance) \ + PLL_PACK_LIMITS(_offset, _has_clkn, _instance, NULL) + +#define PLLCA55 PLL_PACK(0x60, 1, 0) +#define PLLGPU PLL_PACK(0x120, 1, 0) + +/** + * struct ddiv - Structure for dynamic switching divider + * + * @offset: register offset + * @shift: position of the divider bit + * @width: width of the divider + * @monbit: monitor bit in CPG_CLKSTATUS0 register + * @no_rmw: flag to indicate if the register is read-modify-write + * (1: no RMW, 0: RMW) + */ +struct ddiv { + unsigned int offset:11; + unsigned int shift:4; + unsigned int width:4; + unsigned int monbit:5; + unsigned int no_rmw:1; +}; + +/* + * On RZ/V2H(P), the dynamic divider clock supports up to 19 monitor bits, + * while on RZ/G3E, it supports up to 16 monitor bits. Use the maximum value + * `0x1f` to indicate that monitor bits are not supported for static divider + * clocks. + */ +#define CSDIV_NO_MON (0x1f) + +#define DDIV_PACK(_offset, _shift, _width, _monbit) \ + ((struct ddiv){ \ + .offset = _offset, \ + .shift = _shift, \ + .width = _width, \ + .monbit = _monbit \ + }) + +#define DDIV_PACK_NO_RMW(_offset, _shift, _width, _monbit) \ + ((struct ddiv){ \ + .offset = (_offset), \ + .shift = (_shift), \ + .width = (_width), \ + .monbit = (_monbit), \ + .no_rmw = 1 \ + }) + +/** + * struct smuxed - Structure for static muxed clocks + * + * @offset: register offset + * @shift: position of the divider field + * @width: width of the divider field + */ +struct smuxed { + unsigned int offset:11; + unsigned int shift:4; + unsigned int width:4; +}; + +#define SMUX_PACK(_offset, _shift, _width) \ + ((struct smuxed){ \ + .offset = (_offset), \ + .shift = (_shift), \ + .width = (_width), \ + }) + +/** + * struct fixed_mod_conf - Structure for fixed module configuration + * + * @mon_index: monitor index + * @mon_bit: monitor bit + */ +struct fixed_mod_conf { + u8 mon_index; + u8 mon_bit; +}; + +#define FIXED_MOD_CONF_PACK(_index, _bit) \ + ((struct fixed_mod_conf){ \ + .mon_index = (_index), \ + .mon_bit = (_bit), \ + }) + +#define CPG_SSEL0 (0x300) +#define CPG_SSEL1 (0x304) +#define CPG_SSEL3 (0x30C) +#define CPG_CDDIV0 (0x400) +#define CPG_CDDIV1 (0x404) +#define CPG_CDDIV2 (0x408) +#define CPG_CDDIV3 (0x40C) +#define CPG_CDDIV4 (0x410) +#define CPG_CSDIV0 (0x500) +#define CPG_CSDIV1 (0x504) + +#define CDDIV0_DIVCTL1 DDIV_PACK(CPG_CDDIV0, 4, 3, 1) +#define CDDIV0_DIVCTL2 DDIV_PACK(CPG_CDDIV0, 8, 3, 2) +#define CDDIV1_DIVCTL0 DDIV_PACK(CPG_CDDIV1, 0, 2, 4) +#define CDDIV1_DIVCTL1 DDIV_PACK(CPG_CDDIV1, 4, 2, 5) +#define CDDIV1_DIVCTL2 DDIV_PACK(CPG_CDDIV1, 8, 2, 6) +#define CDDIV1_DIVCTL3 DDIV_PACK(CPG_CDDIV1, 12, 2, 7) +#define CDDIV2_DIVCTL3 DDIV_PACK(CPG_CDDIV2, 12, 3, 11) +#define CDDIV3_DIVCTL1 DDIV_PACK(CPG_CDDIV3, 4, 3, 13) +#define CDDIV3_DIVCTL2 DDIV_PACK(CPG_CDDIV3, 8, 3, 14) +#define CDDIV3_DIVCTL3 DDIV_PACK(CPG_CDDIV3, 12, 1, 15) +#define CDDIV4_DIVCTL0 DDIV_PACK(CPG_CDDIV4, 0, 1, 16) +#define CDDIV4_DIVCTL1 DDIV_PACK(CPG_CDDIV4, 4, 1, 17) +#define CDDIV4_DIVCTL2 DDIV_PACK(CPG_CDDIV4, 8, 1, 18) + +#define CSDIV0_DIVCTL0 DDIV_PACK(CPG_CSDIV0, 0, 2, CSDIV_NO_MON) +#define CSDIV0_DIVCTL1 DDIV_PACK(CPG_CSDIV0, 4, 2, CSDIV_NO_MON) +#define CSDIV0_DIVCTL2 DDIV_PACK(CPG_CSDIV0, 8, 2, CSDIV_NO_MON) +#define CSDIV0_DIVCTL3 DDIV_PACK_NO_RMW(CPG_CSDIV0, 12, 2, CSDIV_NO_MON) +#define CSDIV1_DIVCTL2 DDIV_PACK(CPG_CSDIV1, 8, 4, CSDIV_NO_MON) +#define CSDIV1_DIVCTL3 DDIV_PACK(CPG_CSDIV1, 12, 4, CSDIV_NO_MON) + +#define SSEL0_SELCTL2 SMUX_PACK(CPG_SSEL0, 8, 1) +#define SSEL0_SELCTL3 SMUX_PACK(CPG_SSEL0, 12, 1) +#define SSEL1_SELCTL0 SMUX_PACK(CPG_SSEL1, 0, 1) +#define SSEL1_SELCTL1 SMUX_PACK(CPG_SSEL1, 4, 1) +#define SSEL1_SELCTL2 SMUX_PACK(CPG_SSEL1, 8, 1) +#define SSEL1_SELCTL3 SMUX_PACK(CPG_SSEL1, 12, 1) +#define SSEL3_SELCTL0 SMUX_PACK(CPG_SSEL3, 0, 1) +#define SSEL3_SELCTL1 SMUX_PACK(CPG_SSEL3, 4, 1) + +#define BUS_MSTOP_IDX_MASK GENMASK(31, 16) +#define BUS_MSTOP_BITS_MASK GENMASK(15, 0) +#define BUS_MSTOP(idx, mask) (FIELD_PREP_CONST(BUS_MSTOP_IDX_MASK, (idx)) | \ + FIELD_PREP_CONST(BUS_MSTOP_BITS_MASK, (mask))) +#define BUS_MSTOP_NONE GENMASK(31, 0) + +#define FIXED_MOD_CONF_XSPI FIXED_MOD_CONF_PACK(5, 1) + +/** + * Definitions of CPG Core Clocks + * + * These include: + * - Clock outputs exported to DT + * - External input clocks + * - Internal CPG clocks + */ +struct cpg_core_clk { + const char *name; + unsigned int id; + unsigned int parent; + unsigned int div; + unsigned int mult; + unsigned int type; + union { + unsigned int conf; + struct ddiv ddiv; + struct pll pll; + struct smuxed smux; + struct fixed_mod_conf fixed_mod; + } cfg; + const struct clk_div_table *dtable; + const char * const *parent_names; + unsigned int num_parents; + u8 mux_flags; + u32 flag; +}; + +enum clk_types { + /* Generic */ + CLK_TYPE_IN, /* External Clock Input */ + CLK_TYPE_FF, /* Fixed Factor Clock */ + CLK_TYPE_FF_MOD_STATUS, /* Fixed Factor Clock which can report the status of module clock */ + CLK_TYPE_PLL, + CLK_TYPE_DDIV, /* Dynamic Switching Divider */ + CLK_TYPE_SMUX, /* Static Mux */ + CLK_TYPE_PLLDSI, /* PLLDSI */ + CLK_TYPE_PLLDSI_DIV, /* PLLDSI divider */ + CLK_TYPE_PLLDSI_SMUX, /* PLLDSI Static Mux */ +}; + +#define DEF_TYPE(_name, _id, _type...) \ + { .name = _name, .id = _id, .type = _type } +#define DEF_BASE(_name, _id, _type, _parent...) \ + DEF_TYPE(_name, _id, _type, .parent = _parent) +#define DEF_PLL(_name, _id, _parent, _pll_packed) \ + DEF_TYPE(_name, _id, CLK_TYPE_PLL, .parent = _parent, .cfg.pll = _pll_packed) +#define DEF_INPUT(_name, _id) \ + DEF_TYPE(_name, _id, CLK_TYPE_IN) +#define DEF_FIXED(_name, _id, _parent, _mult, _div) \ + DEF_BASE(_name, _id, CLK_TYPE_FF, _parent, .div = _div, .mult = _mult) +#define DEF_FIXED_MOD_STATUS(_name, _id, _parent, _mult, _div, _gate) \ + DEF_BASE(_name, _id, CLK_TYPE_FF_MOD_STATUS, _parent, .div = _div, \ + .mult = _mult, .cfg.fixed_mod = _gate) +#define DEF_DDIV(_name, _id, _parent, _ddiv_packed, _dtable) \ + DEF_TYPE(_name, _id, CLK_TYPE_DDIV, \ + .cfg.ddiv = _ddiv_packed, \ + .parent = _parent, \ + .dtable = _dtable, \ + .flag = CLK_DIVIDER_HIWORD_MASK) +#define DEF_CSDIV(_name, _id, _parent, _ddiv_packed, _dtable) \ + DEF_DDIV(_name, _id, _parent, _ddiv_packed, _dtable) +#define DEF_SMUX(_name, _id, _smux_packed, _parent_names) \ + DEF_TYPE(_name, _id, CLK_TYPE_SMUX, \ + .cfg.smux = _smux_packed, \ + .parent_names = _parent_names, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .flag = CLK_SET_RATE_PARENT, \ + .mux_flags = CLK_MUX_HIWORD_MASK) +#define DEF_PLLDSI(_name, _id, _parent, _pll_packed) \ + DEF_TYPE(_name, _id, CLK_TYPE_PLLDSI, .parent = _parent, .cfg.pll = _pll_packed) +#define DEF_PLLDSI_DIV(_name, _id, _parent, _ddiv_packed, _dtable) \ + DEF_TYPE(_name, _id, CLK_TYPE_PLLDSI_DIV, \ + .cfg.ddiv = _ddiv_packed, \ + .dtable = _dtable, \ + .parent = _parent, \ + .flag = CLK_SET_RATE_PARENT) +#define DEF_PLLDSI_SMUX(_name, _id, _smux_packed, _parent_names) \ + DEF_TYPE(_name, _id, CLK_TYPE_PLLDSI_SMUX, \ + .cfg.smux = _smux_packed, \ + .parent_names = _parent_names, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .flag = CLK_SET_RATE_PARENT, \ + .mux_flags = CLK_MUX_HIWORD_MASK) + +/** + * struct rzv2h_mod_clk - Module Clocks definitions + * + * @name: handle between common and hardware-specific interfaces + * @mstop_data: packed data mstop register offset and mask + * @parent: id of parent clock + * @critical: flag to indicate the clock is critical + * @no_pm: flag to indicate PM is not supported + * @on_index: control register index + * @on_bit: ON bit + * @mon_index: monitor register index + * @mon_bit: monitor bit + * @ext_clk_mux_index: mux index for external clock source, or -1 if internal + */ +struct rzv2h_mod_clk { + const char *name; + u32 mstop_data; + u16 parent; + bool critical; + bool no_pm; + u8 on_index; + u8 on_bit; + s8 mon_index; + u8 mon_bit; + s8 ext_clk_mux_index; +}; + +#define DEF_MOD_BASE(_name, _mstop, _parent, _critical, _no_pm, _onindex, \ + _onbit, _monindex, _monbit, _ext_clk_mux_index) \ + { \ + .name = (_name), \ + .mstop_data = (_mstop), \ + .parent = (_parent), \ + .critical = (_critical), \ + .no_pm = (_no_pm), \ + .on_index = (_onindex), \ + .on_bit = (_onbit), \ + .mon_index = (_monindex), \ + .mon_bit = (_monbit), \ + .ext_clk_mux_index = (_ext_clk_mux_index), \ + } + +#define DEF_MOD(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop) \ + DEF_MOD_BASE(_name, _mstop, _parent, false, false, _onindex, _onbit, _monindex, _monbit, -1) + +#define DEF_MOD_CRITICAL(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop) \ + DEF_MOD_BASE(_name, _mstop, _parent, true, false, _onindex, _onbit, _monindex, _monbit, -1) + +#define DEF_MOD_NO_PM(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop) \ + DEF_MOD_BASE(_name, _mstop, _parent, false, true, _onindex, _onbit, _monindex, _monbit, -1) + +#define DEF_MOD_MUX_EXTERNAL(_name, _parent, _onindex, _onbit, _monindex, _monbit, _mstop, \ + _ext_clk_mux_index) \ + DEF_MOD_BASE(_name, _mstop, _parent, false, false, _onindex, _onbit, _monindex, _monbit, \ + _ext_clk_mux_index) + +/** + * struct rzv2h_reset - Reset definitions + * + * @reset_index: reset register index + * @reset_bit: reset bit + * @mon_index: monitor register index + * @mon_bit: monitor bit + */ +struct rzv2h_reset { + u8 reset_index; + u8 reset_bit; + u8 mon_index; + u8 mon_bit; +}; + +#define DEF_RST_BASE(_resindex, _resbit, _monindex, _monbit) \ + { \ + .reset_index = (_resindex), \ + .reset_bit = (_resbit), \ + .mon_index = (_monindex), \ + .mon_bit = (_monbit), \ + } + +#define DEF_RST(_resindex, _resbit, _monindex, _monbit) \ + DEF_RST_BASE(_resindex, _resbit, _monindex, _monbit) + +/** + * struct rzv2h_cpg_info - SoC-specific CPG Description + * + * @core_clks: Array of Core Clock definitions + * @num_core_clks: Number of entries in core_clks[] + * @last_dt_core_clk: ID of the last Core Clock exported to DT + * @num_total_core_clks: Total number of Core Clocks (exported + internal) + * + * @mod_clks: Array of Module Clock definitions + * @num_mod_clks: Number of entries in mod_clks[] + * @num_hw_mod_clks: Number of Module Clocks supported by the hardware + * + * @resets: Array of Module Reset definitions + * @num_resets: Number of entries in resets[] + * + * @num_mstop_bits: Maximum number of MSTOP bits supported, equivalent to the + * number of CPG_BUS_m_MSTOP registers multiplied by 16. + */ +struct rzv2h_cpg_info { + /* Core Clocks */ + const struct cpg_core_clk *core_clks; + unsigned int num_core_clks; + unsigned int last_dt_core_clk; + unsigned int num_total_core_clks; + + /* Module Clocks */ + const struct rzv2h_mod_clk *mod_clks; + unsigned int num_mod_clks; + unsigned int num_hw_mod_clks; + + /* Resets */ + const struct rzv2h_reset *resets; + unsigned int num_resets; + + unsigned int num_mstop_bits; +}; + +extern const struct rzv2h_cpg_info r9a09g047_cpg_info; +extern const struct rzv2h_cpg_info r9a09g056_cpg_info; +extern const struct rzv2h_cpg_info r9a09g057_cpg_info; + +#endif /* __RENESAS_RZV2H_CPG_H__ */ |