diff options
Diffstat (limited to 'drivers/pinctrl/spacemit/pinctrl-k1.c')
| -rw-r--r-- | drivers/pinctrl/spacemit/pinctrl-k1.c | 1456 |
1 files changed, 1456 insertions, 0 deletions
diff --git a/drivers/pinctrl/spacemit/pinctrl-k1.c b/drivers/pinctrl/spacemit/pinctrl-k1.c new file mode 100644 index 000000000..c3a753878 --- /dev/null +++ b/drivers/pinctrl/spacemit/pinctrl-k1.c @@ -0,0 +1,1456 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2024 Yixun Lan <dlan@gentoo.org> */ + +#include <linux/bits.h> +#include <linux/clk.h> +#include <linux/cleanup.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/seq_file.h> +#include <linux/spinlock.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/mutex.h> + +#include <linux/pinctrl/pinconf-generic.h> +#include <linux/pinctrl/pinconf.h> +#include <linux/pinctrl/pinctrl.h> +#include <linux/pinctrl/pinmux.h> + +#include "../core.h" +#include "../pinctrl-utils.h" +#include "../pinconf.h" +#include "../pinmux.h" +#include "pinctrl-k1.h" + +/* + * | pull | drive | schmitter | slew | edge | strong | mux | + * SoC | up/down | strength | trigger | rate | detect | pull | mode | + *-----+---------+----------+-----------+-------+--------+--------+--------+ + * K1 | 3 bits | 3 bits | 2 bits | 1 bit | 3 bits | 1 bit | 3 bits | + *-----+---------+----------+-----------+-------+--------+--------+--------+ + * K3 | 3 bits | 4 bits | 1 bits | 1 bit | 3 bits | 1 bit | 3 bits | + */ + +#define PAD_MUX GENMASK(2, 0) +#define PAD_STRONG_PULL BIT(3) +#define PAD_EDGE_RISE BIT(4) +#define PAD_EDGE_FALL BIT(5) +#define PAD_EDGE_CLEAR BIT(6) +#define PAD_SLEW_RATE GENMASK(12, 11) +#define PAD_SLEW_RATE_EN BIT(7) +#define PAD_SCHMITT_K1 GENMASK(9, 8) +#define PAD_DRIVE_K1 GENMASK(12, 10) +#define PAD_SCHMITT_K3 BIT(8) +#define PAD_DRIVE_K3 GENMASK(12, 9) +#define PAD_PULLDOWN BIT(13) +#define PAD_PULLUP BIT(14) +#define PAD_PULL_EN BIT(15) + +#define IO_PWR_DOMAIN_OFFSET 0x800 + +#define IO_PWR_DOMAIN_GPIO2_Kx 0x0c +#define IO_PWR_DOMAIN_MMC_Kx 0x1c + +#define IO_PWR_DOMAIN_GPIO3_K1 0x10 +#define IO_PWR_DOMAIN_QSPI_K1 0x20 + +#define IO_PWR_DOMAIN_GPIO1_K3 0x04 +#define IO_PWR_DOMAIN_GPIO5_K3 0x10 +#define IO_PWR_DOMAIN_GPIO4_K3 0x20 +#define IO_PWR_DOMAIN_QSPI_K3 0x2c + +#define IO_PWR_DOMAIN_V18EN BIT(2) + +#define APBC_ASFAR 0x50 +#define APBC_ASSAR 0x54 + +#define APBC_ASFAR_AKEY 0xbaba +#define APBC_ASSAR_AKEY 0xeb10 + +struct spacemit_pin_drv_strength { + u8 val; + u32 mA; +}; + +struct spacemit_pinctrl_dconf { + u64 schmitt_mask; + u64 drive_mask; + + struct spacemit_pin_drv_strength *ds_1v8_tbl; + size_t ds_1v8_tbl_num; + struct spacemit_pin_drv_strength *ds_3v3_tbl; + size_t ds_3v3_tbl_num; +}; + +struct spacemit_pin { + u16 pin; + u16 flags; + u8 gpiofunc; +}; + +struct spacemit_pinctrl { + struct device *dev; + struct pinctrl_dev *pctl_dev; + const struct spacemit_pinctrl_data *data; + struct pinctrl_desc pdesc; + + struct mutex mutex; + raw_spinlock_t lock; + + void __iomem *regs; + + struct regmap *regmap_apbc; +}; + +struct spacemit_pinctrl_data { + const struct pinctrl_pin_desc *pins; + const struct spacemit_pin *data; + u16 npins; + unsigned int (*pin_to_offset)(unsigned int pin); + unsigned int (*pin_to_io_pd_offset)(unsigned int pin); + const struct spacemit_pinctrl_dconf *dconf; +}; + +/* map pin id to pinctrl register offset, refer MFPR definition */ +static unsigned int spacemit_k1_pin_to_offset(unsigned int pin) +{ + unsigned int offset = 0; + + switch (pin) { + case 0 ... 85: + offset = pin + 1; + break; + case 86 ... 92: + offset = pin + 37; + break; + case 93 ... 97: + offset = pin + 24; + break; + case 98: + offset = 93; + break; + case 99: + offset = 92; + break; + case 100: + offset = 91; + break; + case 101: + offset = 90; + break; + case 102: + offset = 95; + break; + case 103: + offset = 94; + break; + case 104 ... 110: + offset = pin + 6; + break; + case 111 ... 127: + offset = pin + 20; + break; + default: + break; + } + + return offset << 2; +} + +static unsigned int spacemit_k3_pin_to_offset(unsigned int pin) +{ + unsigned int offset = pin > 130 ? (pin + 2) : pin; + + return offset << 2; +} + +static unsigned int spacemit_k1_pin_to_io_pd_offset(unsigned int pin) +{ + unsigned int offset = 0; + + switch (pin) { + case 47 ... 52: + offset = IO_PWR_DOMAIN_GPIO3_K1; + break; + case 75 ... 80: + offset = IO_PWR_DOMAIN_GPIO2_Kx; + break; + case 98 ... 103: + offset = IO_PWR_DOMAIN_QSPI_K1; + break; + case 104 ... 109: + offset = IO_PWR_DOMAIN_MMC_Kx; + break; + } + + return offset; +} + +static unsigned int spacemit_k3_pin_to_io_pd_offset(unsigned int pin) +{ + unsigned int offset = 0; + + switch (pin) { + case 0 ... 20: + offset = IO_PWR_DOMAIN_GPIO1_K3; + break; + case 21 ... 41: + offset = IO_PWR_DOMAIN_GPIO2_Kx; + break; + case 76 ... 98: + offset = IO_PWR_DOMAIN_GPIO4_K3; + break; + case 99 ... 127: + offset = IO_PWR_DOMAIN_GPIO5_K3; + break; + case 132 ... 137: + offset = IO_PWR_DOMAIN_MMC_Kx; + break; + case 138 ... 144: + offset = IO_PWR_DOMAIN_QSPI_K3; + break; + } + + return offset; +} + +static inline void __iomem *spacemit_pin_to_reg(struct spacemit_pinctrl *pctrl, + unsigned int pin) +{ + return pctrl->regs + pctrl->data->pin_to_offset(pin); +} + +static const struct spacemit_pin *spacemit_get_pin(struct spacemit_pinctrl *pctrl, + unsigned long pin) +{ + const struct spacemit_pin *pdata = pctrl->data->data; + int i; + + for (i = 0; i < pctrl->data->npins; i++) { + if (pin == pdata[i].pin) + return &pdata[i]; + } + + return NULL; +} + +static inline enum spacemit_pin_io_type spacemit_to_pin_io_type( + const struct spacemit_pin *pin) +{ + return K1_PIN_GET_IO_TYPE(pin->flags); +} + +/* External: IO voltage via external source, can be 1.8V or 3.3V */ +static const char * const io_type_desc[] = { + "None", + "Fixed/1V8", + "Fixed/3V3", + "External", +}; + +static void spacemit_pctrl_dbg_show(struct pinctrl_dev *pctldev, + struct seq_file *seq, unsigned int pin) +{ + struct spacemit_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin); + enum spacemit_pin_io_type type = spacemit_to_pin_io_type(spin); + void __iomem *reg; + u32 value; + + seq_printf(seq, "offset: 0x%04x ", pctrl->data->pin_to_offset(pin)); + seq_printf(seq, "type: %s ", io_type_desc[type]); + + reg = spacemit_pin_to_reg(pctrl, pin); + value = readl(reg); + seq_printf(seq, "mux: %ld reg: 0x%04x", (value & PAD_MUX), value); +} + +static const struct spacemit_pinctrl_dconf k1_drive_conf = { + .drive_mask = PAD_DRIVE_K1, + .schmitt_mask = PAD_SCHMITT_K1, + .ds_1v8_tbl = (struct spacemit_pin_drv_strength[]) { + { 0, 11 }, + { 2, 21 }, + { 4, 32 }, + { 6, 42 }, + }, + .ds_1v8_tbl_num = 4, + .ds_3v3_tbl = (struct spacemit_pin_drv_strength[]) { + { 0, 7 }, + { 2, 10 }, + { 4, 13 }, + { 6, 16 }, + { 1, 19 }, + { 3, 23 }, + { 5, 26 }, + { 7, 29 }, + }, + .ds_3v3_tbl_num = 8, +}; + +static const struct spacemit_pinctrl_dconf k3_drive_conf = { + .drive_mask = PAD_DRIVE_K3, + .schmitt_mask = PAD_SCHMITT_K3, + .ds_1v8_tbl = (struct spacemit_pin_drv_strength[]) { + { 0, 2 }, + { 1, 4 }, + { 2, 6 }, + { 3, 7 }, + { 4, 9 }, + { 5, 11 }, + { 6, 13 }, + { 7, 14 }, + { 8, 21 }, + { 9, 23 }, + { 10, 25 }, + { 11, 26 }, + { 12, 28 }, + { 13, 30 }, + { 14, 31 }, + { 15, 33 }, + }, + .ds_1v8_tbl_num = 16, + .ds_3v3_tbl = (struct spacemit_pin_drv_strength[]) { + { 0, 3 }, + { 1, 5 }, + { 2, 7 }, + { 3, 9 }, + { 4, 11 }, + { 5, 13 }, + { 6, 15 }, + { 7, 17 }, + { 8, 25 }, + { 9, 27 }, + { 10, 29 }, + { 11, 31 }, + { 12, 33 }, + { 13, 35 }, + { 14, 37 }, + { 15, 38 }, + }, + .ds_3v3_tbl_num = 16, +}; + +static inline u8 spacemit_get_ds_value(struct spacemit_pin_drv_strength *tbl, + u32 num, u32 mA) +{ + int i; + + for (i = 0; i < num; i++) + if (mA <= tbl[i].mA) + return tbl[i].val; + + return tbl[num - 1].val; +} + +static inline u32 spacemit_get_ds_mA(struct spacemit_pin_drv_strength *tbl, + u32 num, u32 val) +{ + int i; + + for (i = 0; i < num; i++) + if (val == tbl[i].val) + return tbl[i].mA; + + return 0; +} + +static inline u8 spacemit_get_driver_strength(enum spacemit_pin_io_type type, + const struct spacemit_pinctrl_dconf *dconf, + u32 mA) +{ + switch (type) { + case IO_TYPE_1V8: + return spacemit_get_ds_value(dconf->ds_1v8_tbl, + dconf->ds_1v8_tbl_num, + mA); + case IO_TYPE_3V3: + return spacemit_get_ds_value(dconf->ds_3v3_tbl, + dconf->ds_3v3_tbl_num, + mA); + default: + return 0; + } +} + +static inline u32 spacemit_get_drive_strength_mA(enum spacemit_pin_io_type type, + const struct spacemit_pinctrl_dconf *dconf, + u32 value) +{ + switch (type) { + case IO_TYPE_1V8: + return spacemit_get_ds_mA(dconf->ds_1v8_tbl, + dconf->ds_1v8_tbl_num, + value); + case IO_TYPE_3V3: + return spacemit_get_ds_mA(dconf->ds_3v3_tbl, + dconf->ds_3v3_tbl_num, + value); + default: + return 0; + } +} + +static void spacemit_set_io_pwr_domain(struct spacemit_pinctrl *pctrl, + const struct spacemit_pin *spin, + const enum spacemit_pin_io_type type) +{ + u32 offset, val = 0; + + if (!pctrl->regmap_apbc) + return; + + offset = pctrl->data->pin_to_io_pd_offset(spin->pin); + + /* Other bits are reserved so don't need to save them */ + if (type == IO_TYPE_1V8) + val = IO_PWR_DOMAIN_V18EN; + + /* + * IO power domain registers are protected and cannot be accessed + * directly. Before performing any read or write to the IO power + * domain registers, an explicit unlock sequence must be issued + * via the AIB Secure Access Register (ASAR). + * + * The unlock sequence allows exactly one subsequent access to the + * IO power domain registers. After that access completes, the ASAR + * keys are automatically cleared, and the registers become locked + * again. + * + * This mechanism ensures that IO power domain configuration is + * performed intentionally, as incorrect voltage settings may + * result in functional failures or hardware damage. + */ + regmap_write(pctrl->regmap_apbc, APBC_ASFAR, APBC_ASFAR_AKEY); + regmap_write(pctrl->regmap_apbc, APBC_ASSAR, APBC_ASSAR_AKEY); + + writel_relaxed(val, pctrl->regs + IO_PWR_DOMAIN_OFFSET + offset); +} + +static const struct pinctrl_ops spacemit_pctrl_ops = { + .get_groups_count = pinctrl_generic_get_group_count, + .get_group_name = pinctrl_generic_get_group_name, + .get_group_pins = pinctrl_generic_get_group_pins, + .pin_dbg_show = spacemit_pctrl_dbg_show, + .dt_node_to_map = pinctrl_generic_pinmux_dt_node_to_map, + .dt_free_map = pinctrl_utils_free_map, +}; + +static int spacemit_pmx_set_mux(struct pinctrl_dev *pctldev, + unsigned int fsel, unsigned int gsel) +{ + struct spacemit_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct group_desc *group; + unsigned int i, mux; + unsigned int *configs; + void __iomem *reg; + + group = pinctrl_generic_get_group(pctldev, gsel); + if (!group) + return -EINVAL; + + configs = group->data; + + for (i = 0; i < group->grp.npins; i++) { + const struct spacemit_pin *spin; + u32 value = configs[i]; + + spin = spacemit_get_pin(pctrl, group->grp.pins[i]); + if (!spin) { + dev_err(pctrl->dev, "Invalid pin %u\n", group->grp.pins[i]); + return -EINVAL; + } + + reg = spacemit_pin_to_reg(pctrl, spin->pin); + mux = value; + + guard(raw_spinlock_irqsave)(&pctrl->lock); + value = readl_relaxed(reg) & ~PAD_MUX; + writel_relaxed(mux | value, reg); + } + + return 0; +} + +static int spacemit_request_gpio(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned int pin) +{ + struct spacemit_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin); + void __iomem *reg; + + reg = spacemit_pin_to_reg(pctrl, pin); + guard(raw_spinlock_irqsave)(&pctrl->lock); + writel_relaxed(spin->gpiofunc, reg); + + return 0; +} + +static const struct pinmux_ops spacemit_pmx_ops = { + .get_functions_count = pinmux_generic_get_function_count, + .get_function_name = pinmux_generic_get_function_name, + .get_function_groups = pinmux_generic_get_function_groups, + .set_mux = spacemit_pmx_set_mux, + .gpio_request_enable = spacemit_request_gpio, + .strict = true, +}; + +static int spacemit_pinconf_get(struct pinctrl_dev *pctldev, + unsigned int pin, unsigned long *config) +{ + struct spacemit_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin); + int param = pinconf_to_config_param(*config); + u32 value, arg = 0; + + if (!spin) + return -EINVAL; + + value = readl(spacemit_pin_to_reg(pctrl, spin->pin)); + + switch (param) { + case PIN_CONFIG_SLEW_RATE: + if (FIELD_GET(PAD_SLEW_RATE_EN, value)) + arg = FIELD_GET(PAD_SLEW_RATE, value) + 2; + else + arg = 0; + break; + default: + return -ENOTSUPP; + } + + *config = pinconf_to_config_packed(param, arg); + + return 0; +} + +#define ENABLE_DRV_STRENGTH BIT(1) +#define ENABLE_SLEW_RATE BIT(2) +static int spacemit_pinconf_generate_config(struct spacemit_pinctrl *pctrl, + const struct spacemit_pin *spin, + const struct spacemit_pinctrl_dconf *dconf, + unsigned long *configs, + unsigned int num_configs, + u32 *value) +{ + enum spacemit_pin_io_type type; + int i, param; + u32 v = 0, voltage = 0, arg, val; + u32 flag = 0, drv_strength, slew_rate; + + if (!spin) + return -EINVAL; + + for (i = 0; i < num_configs; i++) { + param = pinconf_to_config_param(configs[i]); + arg = pinconf_to_config_argument(configs[i]); + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + v &= ~(PAD_PULL_EN | PAD_PULLDOWN | PAD_PULLUP); + v &= ~PAD_STRONG_PULL; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + v &= ~(PAD_PULLUP | PAD_STRONG_PULL); + v |= (PAD_PULL_EN | PAD_PULLDOWN); + break; + case PIN_CONFIG_BIAS_PULL_UP: + v &= ~PAD_PULLDOWN; + v |= (PAD_PULL_EN | PAD_PULLUP); + + if (arg == 1) + v |= PAD_STRONG_PULL; + break; + case PIN_CONFIG_DRIVE_STRENGTH: + flag |= ENABLE_DRV_STRENGTH; + drv_strength = arg; + break; + case PIN_CONFIG_INPUT_SCHMITT: + v &= ~dconf->schmitt_mask; + v |= (arg << __ffs(dconf->schmitt_mask)) & dconf->schmitt_mask; + break; + case PIN_CONFIG_POWER_SOURCE: + voltage = arg; + break; + case PIN_CONFIG_SLEW_RATE: + if (arg) { + flag |= ENABLE_SLEW_RATE; + v |= PAD_SLEW_RATE_EN; + slew_rate = arg; + } else { + v &= ~PAD_SLEW_RATE_EN; + } + break; + default: + return -ENOTSUPP; + } + } + + if (flag & ENABLE_DRV_STRENGTH) { + type = spacemit_to_pin_io_type(spin); + + /* fix external io type */ + if (type == IO_TYPE_EXTERNAL) { + switch (voltage) { + case 1800: + type = IO_TYPE_1V8; + break; + case 3300: + type = IO_TYPE_3V3; + break; + default: + return -EINVAL; + } + spacemit_set_io_pwr_domain(pctrl, spin, type); + } + + val = spacemit_get_driver_strength(type, dconf, drv_strength); + + v &= ~dconf->drive_mask; + v |= (val << __ffs(dconf->drive_mask)) & dconf->drive_mask; + } + + if (flag & ENABLE_SLEW_RATE) { + /* check, driver strength & slew rate */ + if (flag & ENABLE_DRV_STRENGTH) { + val = FIELD_GET(PAD_SLEW_RATE, v) + 2; + if (slew_rate > 1 && slew_rate != val) { + pr_err("slew rate conflict with drive strength\n"); + return -EINVAL; + } + } else { + slew_rate = slew_rate > 1 ? (slew_rate - 2) : 0; + FIELD_MODIFY(PAD_SLEW_RATE, &v, slew_rate); + } + } + + *value = v; + + return 0; +} + +static int spacemit_pin_set_config(struct spacemit_pinctrl *pctrl, + unsigned int pin, u32 value) +{ + const struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin); + void __iomem *reg; + unsigned int mux; + + if (!spin) + return -EINVAL; + + reg = spacemit_pin_to_reg(pctrl, spin->pin); + + guard(raw_spinlock_irqsave)(&pctrl->lock); + mux = readl_relaxed(reg) & PAD_MUX; + writel_relaxed(mux | value, reg); + + return 0; +} + +static int spacemit_pinconf_set(struct pinctrl_dev *pctldev, + unsigned int pin, unsigned long *configs, + unsigned int num_configs) +{ + struct spacemit_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin); + u32 value; + int ret; + + ret = spacemit_pinconf_generate_config(pctrl, spin, pctrl->data->dconf, + configs, num_configs, &value); + if (ret) + return ret; + + return spacemit_pin_set_config(pctrl, pin, value); +} + +static int spacemit_pinconf_group_set(struct pinctrl_dev *pctldev, + unsigned int gsel, + unsigned long *configs, + unsigned int num_configs) +{ + struct spacemit_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct spacemit_pin *spin; + const struct group_desc *group; + u32 value; + int i, ret; + + group = pinctrl_generic_get_group(pctldev, gsel); + if (!group) + return -EINVAL; + + spin = spacemit_get_pin(pctrl, group->grp.pins[0]); + ret = spacemit_pinconf_generate_config(pctrl, spin, pctrl->data->dconf, + configs, num_configs, &value); + if (ret) + return ret; + + for (i = 0; i < group->grp.npins; i++) { + if (!spacemit_get_pin(pctrl, group->grp.pins[i])) + return -EINVAL; + } + + for (i = 0; i < group->grp.npins; i++) + spacemit_pin_set_config(pctrl, group->grp.pins[i], value); + + return 0; +} + +static void spacemit_pinconf_dbg_pull(struct seq_file *seq, unsigned int value) +{ + u32 normal, strong; + + if (!FIELD_GET(PAD_PULL_EN, value)) { + seq_puts(seq, ", bias pull disabled"); + return; + } + + if (FIELD_GET(PAD_PULLDOWN, value)) + seq_puts(seq, ", bias pull down"); + + normal = FIELD_GET(PAD_PULLUP, value); + strong = FIELD_GET(PAD_STRONG_PULL, value); + + if (normal && strong) + seq_puts(seq, ", bias strong pull up"); + else if (normal) + seq_puts(seq, ", bias normal pull up"); +} + +static void spacemit_pinconf_dbg_show(struct pinctrl_dev *pctldev, + struct seq_file *seq, unsigned int pin) +{ + struct spacemit_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct spacemit_pinctrl_dconf *dconf = pctrl->data->dconf; + const struct spacemit_pin *spin = spacemit_get_pin(pctrl, pin); + enum spacemit_pin_io_type type = spacemit_to_pin_io_type(spin); + void __iomem *reg = spacemit_pin_to_reg(pctrl, pin); + u32 value, tmp, mA; + + value = readl(reg); + spacemit_pinconf_dbg_pull(seq, value); + + seq_printf(seq, ", io type (%s)", io_type_desc[type]); + + tmp = (value & dconf->drive_mask) >> __ffs(dconf->drive_mask); + if (type == IO_TYPE_1V8 || type == IO_TYPE_3V3) { + mA = spacemit_get_drive_strength_mA(type, dconf, tmp); + seq_printf(seq, ", drive strength (%d mA)", mA); + } + + /* drive strength depend on power source, so show all values */ + if (type == IO_TYPE_EXTERNAL) + seq_printf(seq, ", drive strength (%d or %d mA)", + spacemit_get_drive_strength_mA(IO_TYPE_1V8, dconf, tmp), + spacemit_get_drive_strength_mA(IO_TYPE_3V3, dconf, tmp)); + + seq_printf(seq, ", register (0x%04x)", value); +} + +static const struct pinconf_ops spacemit_pinconf_ops = { + .pin_config_get = spacemit_pinconf_get, + .pin_config_set = spacemit_pinconf_set, + .pin_config_group_set = spacemit_pinconf_group_set, + .pin_config_dbg_show = spacemit_pinconf_dbg_show, + .is_generic = true, +}; + +static int spacemit_pinctrl_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct device *dev = &pdev->dev; + struct spacemit_pinctrl *pctrl; + struct clk *func_clk, *bus_clk; + const struct spacemit_pinctrl_data *pctrl_data; + int ret; + + pctrl_data = device_get_match_data(dev); + if (!pctrl_data) + return -ENODEV; + + if (pctrl_data->npins == 0) + return dev_err_probe(dev, -EINVAL, "invalid pin data\n"); + + pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL); + if (!pctrl) + return -ENOMEM; + + pctrl->regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(pctrl->regs)) + return PTR_ERR(pctrl->regs); + + pctrl->regmap_apbc = syscon_regmap_lookup_by_phandle(np, "spacemit,apbc"); + if (IS_ERR(pctrl->regmap_apbc)) { + dev_warn(dev, "no syscon found, disable power voltage switch functionality\n"); + pctrl->regmap_apbc = NULL; + } + + func_clk = devm_clk_get_enabled(dev, "func"); + if (IS_ERR(func_clk)) + return dev_err_probe(dev, PTR_ERR(func_clk), "failed to get func clock\n"); + + bus_clk = devm_clk_get_enabled(dev, "bus"); + if (IS_ERR(bus_clk)) + return dev_err_probe(dev, PTR_ERR(bus_clk), "failed to get bus clock\n"); + + pctrl->pdesc.name = dev_name(dev); + pctrl->pdesc.pins = pctrl_data->pins; + pctrl->pdesc.npins = pctrl_data->npins; + pctrl->pdesc.pctlops = &spacemit_pctrl_ops; + pctrl->pdesc.pmxops = &spacemit_pmx_ops; + pctrl->pdesc.confops = &spacemit_pinconf_ops; + pctrl->pdesc.owner = THIS_MODULE; + + pctrl->data = pctrl_data; + pctrl->dev = dev; + raw_spin_lock_init(&pctrl->lock); + + ret = devm_mutex_init(dev, &pctrl->mutex); + if (ret) + return ret; + + platform_set_drvdata(pdev, pctrl); + + ret = devm_pinctrl_register_and_init(dev, &pctrl->pdesc, + pctrl, &pctrl->pctl_dev); + if (ret) + return dev_err_probe(dev, ret, + "fail to register pinctrl driver\n"); + + return pinctrl_enable(pctrl->pctl_dev); +} + +static const struct pinctrl_pin_desc k1_pin_desc[] = { + PINCTRL_PIN(0, "GPIO_00"), + PINCTRL_PIN(1, "GPIO_01"), + PINCTRL_PIN(2, "GPIO_02"), + PINCTRL_PIN(3, "GPIO_03"), + PINCTRL_PIN(4, "GPIO_04"), + PINCTRL_PIN(5, "GPIO_05"), + PINCTRL_PIN(6, "GPIO_06"), + PINCTRL_PIN(7, "GPIO_07"), + PINCTRL_PIN(8, "GPIO_08"), + PINCTRL_PIN(9, "GPIO_09"), + PINCTRL_PIN(10, "GPIO_10"), + PINCTRL_PIN(11, "GPIO_11"), + PINCTRL_PIN(12, "GPIO_12"), + PINCTRL_PIN(13, "GPIO_13"), + PINCTRL_PIN(14, "GPIO_14"), + PINCTRL_PIN(15, "GPIO_15"), + PINCTRL_PIN(16, "GPIO_16"), + PINCTRL_PIN(17, "GPIO_17"), + PINCTRL_PIN(18, "GPIO_18"), + PINCTRL_PIN(19, "GPIO_19"), + PINCTRL_PIN(20, "GPIO_20"), + PINCTRL_PIN(21, "GPIO_21"), + PINCTRL_PIN(22, "GPIO_22"), + PINCTRL_PIN(23, "GPIO_23"), + PINCTRL_PIN(24, "GPIO_24"), + PINCTRL_PIN(25, "GPIO_25"), + PINCTRL_PIN(26, "GPIO_26"), + PINCTRL_PIN(27, "GPIO_27"), + PINCTRL_PIN(28, "GPIO_28"), + PINCTRL_PIN(29, "GPIO_29"), + PINCTRL_PIN(30, "GPIO_30"), + PINCTRL_PIN(31, "GPIO_31"), + PINCTRL_PIN(32, "GPIO_32"), + PINCTRL_PIN(33, "GPIO_33"), + PINCTRL_PIN(34, "GPIO_34"), + PINCTRL_PIN(35, "GPIO_35"), + PINCTRL_PIN(36, "GPIO_36"), + PINCTRL_PIN(37, "GPIO_37"), + PINCTRL_PIN(38, "GPIO_38"), + PINCTRL_PIN(39, "GPIO_39"), + PINCTRL_PIN(40, "GPIO_40"), + PINCTRL_PIN(41, "GPIO_41"), + PINCTRL_PIN(42, "GPIO_42"), + PINCTRL_PIN(43, "GPIO_43"), + PINCTRL_PIN(44, "GPIO_44"), + PINCTRL_PIN(45, "GPIO_45"), + PINCTRL_PIN(46, "GPIO_46"), + PINCTRL_PIN(47, "GPIO_47"), + PINCTRL_PIN(48, "GPIO_48"), + PINCTRL_PIN(49, "GPIO_49"), + PINCTRL_PIN(50, "GPIO_50"), + PINCTRL_PIN(51, "GPIO_51"), + PINCTRL_PIN(52, "GPIO_52"), + PINCTRL_PIN(53, "GPIO_53"), + PINCTRL_PIN(54, "GPIO_54"), + PINCTRL_PIN(55, "GPIO_55"), + PINCTRL_PIN(56, "GPIO_56"), + PINCTRL_PIN(57, "GPIO_57"), + PINCTRL_PIN(58, "GPIO_58"), + PINCTRL_PIN(59, "GPIO_59"), + PINCTRL_PIN(60, "GPIO_60"), + PINCTRL_PIN(61, "GPIO_61"), + PINCTRL_PIN(62, "GPIO_62"), + PINCTRL_PIN(63, "GPIO_63"), + PINCTRL_PIN(64, "GPIO_64"), + PINCTRL_PIN(65, "GPIO_65"), + PINCTRL_PIN(66, "GPIO_66"), + PINCTRL_PIN(67, "GPIO_67"), + PINCTRL_PIN(68, "GPIO_68"), + PINCTRL_PIN(69, "GPIO_69"), + PINCTRL_PIN(70, "GPIO_70/PRI_TDI"), + PINCTRL_PIN(71, "GPIO_71/PRI_TMS"), + PINCTRL_PIN(72, "GPIO_72/PRI_TCK"), + PINCTRL_PIN(73, "GPIO_73/PRI_TDO"), + PINCTRL_PIN(74, "GPIO_74"), + PINCTRL_PIN(75, "GPIO_75"), + PINCTRL_PIN(76, "GPIO_76"), + PINCTRL_PIN(77, "GPIO_77"), + PINCTRL_PIN(78, "GPIO_78"), + PINCTRL_PIN(79, "GPIO_79"), + PINCTRL_PIN(80, "GPIO_80"), + PINCTRL_PIN(81, "GPIO_81"), + PINCTRL_PIN(82, "GPIO_82"), + PINCTRL_PIN(83, "GPIO_83"), + PINCTRL_PIN(84, "GPIO_84"), + PINCTRL_PIN(85, "GPIO_85"), + PINCTRL_PIN(86, "GPIO_86"), + PINCTRL_PIN(87, "GPIO_87"), + PINCTRL_PIN(88, "GPIO_88"), + PINCTRL_PIN(89, "GPIO_89"), + PINCTRL_PIN(90, "GPIO_90"), + PINCTRL_PIN(91, "GPIO_91"), + PINCTRL_PIN(92, "GPIO_92"), + PINCTRL_PIN(93, "GPIO_93/PWR_SCL"), + PINCTRL_PIN(94, "GPIO_94/PWR_SDA"), + PINCTRL_PIN(95, "GPIO_95/VCX0_EN"), + PINCTRL_PIN(96, "GPIO_96/DVL0"), + PINCTRL_PIN(97, "GPIO_97/DVL1"), + PINCTRL_PIN(98, "GPIO_98/QSPI_DAT3"), + PINCTRL_PIN(99, "GPIO_99/QSPI_DAT2"), + PINCTRL_PIN(100, "GPIO_100/QSPI_DAT1"), + PINCTRL_PIN(101, "GPIO_101/QSPI_DAT0"), + PINCTRL_PIN(102, "GPIO_102/QSPI_CLK"), + PINCTRL_PIN(103, "GPIO_103/QSPI_CS1"), + PINCTRL_PIN(104, "GPIO_104/MMC1_DAT3"), + PINCTRL_PIN(105, "GPIO_105/MMC1_DAT2"), + PINCTRL_PIN(106, "GPIO_106/MMC1_DAT1"), + PINCTRL_PIN(107, "GPIO_107/MMC1_DAT0"), + PINCTRL_PIN(108, "GPIO_108/MMC1_CMD"), + PINCTRL_PIN(109, "GPIO_109/MMC1_CLK"), + PINCTRL_PIN(110, "GPIO_110"), + PINCTRL_PIN(111, "GPIO_111"), + PINCTRL_PIN(112, "GPIO_112"), + PINCTRL_PIN(113, "GPIO_113"), + PINCTRL_PIN(114, "GPIO_114"), + PINCTRL_PIN(115, "GPIO_115"), + PINCTRL_PIN(116, "GPIO_116"), + PINCTRL_PIN(117, "GPIO_117"), + PINCTRL_PIN(118, "GPIO_118"), + PINCTRL_PIN(119, "GPIO_119"), + PINCTRL_PIN(120, "GPIO_120"), + PINCTRL_PIN(121, "GPIO_121"), + PINCTRL_PIN(122, "GPIO_122"), + PINCTRL_PIN(123, "GPIO_123"), + PINCTRL_PIN(124, "GPIO_124"), + PINCTRL_PIN(125, "GPIO_125"), + PINCTRL_PIN(126, "GPIO_126"), + PINCTRL_PIN(127, "GPIO_127"), +}; + +static const struct spacemit_pin k1_pin_data[ARRAY_SIZE(k1_pin_desc)] = { + K1_FUNC_PIN(0, 0, IO_TYPE_1V8), + K1_FUNC_PIN(1, 0, IO_TYPE_1V8), + K1_FUNC_PIN(2, 0, IO_TYPE_1V8), + K1_FUNC_PIN(3, 0, IO_TYPE_1V8), + K1_FUNC_PIN(4, 0, IO_TYPE_1V8), + K1_FUNC_PIN(5, 0, IO_TYPE_1V8), + K1_FUNC_PIN(6, 0, IO_TYPE_1V8), + K1_FUNC_PIN(7, 0, IO_TYPE_1V8), + K1_FUNC_PIN(8, 0, IO_TYPE_1V8), + K1_FUNC_PIN(9, 0, IO_TYPE_1V8), + K1_FUNC_PIN(10, 0, IO_TYPE_1V8), + K1_FUNC_PIN(11, 0, IO_TYPE_1V8), + K1_FUNC_PIN(12, 0, IO_TYPE_1V8), + K1_FUNC_PIN(13, 0, IO_TYPE_1V8), + K1_FUNC_PIN(14, 0, IO_TYPE_1V8), + K1_FUNC_PIN(15, 0, IO_TYPE_1V8), + K1_FUNC_PIN(16, 0, IO_TYPE_1V8), + K1_FUNC_PIN(17, 0, IO_TYPE_1V8), + K1_FUNC_PIN(18, 0, IO_TYPE_1V8), + K1_FUNC_PIN(19, 0, IO_TYPE_1V8), + K1_FUNC_PIN(20, 0, IO_TYPE_1V8), + K1_FUNC_PIN(21, 0, IO_TYPE_1V8), + K1_FUNC_PIN(22, 0, IO_TYPE_1V8), + K1_FUNC_PIN(23, 0, IO_TYPE_1V8), + K1_FUNC_PIN(24, 0, IO_TYPE_1V8), + K1_FUNC_PIN(25, 0, IO_TYPE_1V8), + K1_FUNC_PIN(26, 0, IO_TYPE_1V8), + K1_FUNC_PIN(27, 0, IO_TYPE_1V8), + K1_FUNC_PIN(28, 0, IO_TYPE_1V8), + K1_FUNC_PIN(29, 0, IO_TYPE_1V8), + K1_FUNC_PIN(30, 0, IO_TYPE_1V8), + K1_FUNC_PIN(31, 0, IO_TYPE_1V8), + K1_FUNC_PIN(32, 0, IO_TYPE_1V8), + K1_FUNC_PIN(33, 0, IO_TYPE_1V8), + K1_FUNC_PIN(34, 0, IO_TYPE_1V8), + K1_FUNC_PIN(35, 0, IO_TYPE_1V8), + K1_FUNC_PIN(36, 0, IO_TYPE_1V8), + K1_FUNC_PIN(37, 0, IO_TYPE_1V8), + K1_FUNC_PIN(38, 0, IO_TYPE_1V8), + K1_FUNC_PIN(39, 0, IO_TYPE_1V8), + K1_FUNC_PIN(40, 0, IO_TYPE_1V8), + K1_FUNC_PIN(41, 0, IO_TYPE_1V8), + K1_FUNC_PIN(42, 0, IO_TYPE_1V8), + K1_FUNC_PIN(43, 0, IO_TYPE_1V8), + K1_FUNC_PIN(44, 0, IO_TYPE_1V8), + K1_FUNC_PIN(45, 0, IO_TYPE_1V8), + K1_FUNC_PIN(46, 0, IO_TYPE_1V8), + K1_FUNC_PIN(47, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(48, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(49, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(50, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(51, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(52, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(53, 0, IO_TYPE_1V8), + K1_FUNC_PIN(54, 0, IO_TYPE_1V8), + K1_FUNC_PIN(55, 0, IO_TYPE_1V8), + K1_FUNC_PIN(56, 0, IO_TYPE_1V8), + K1_FUNC_PIN(57, 0, IO_TYPE_1V8), + K1_FUNC_PIN(58, 0, IO_TYPE_1V8), + K1_FUNC_PIN(59, 0, IO_TYPE_1V8), + K1_FUNC_PIN(60, 0, IO_TYPE_1V8), + K1_FUNC_PIN(61, 0, IO_TYPE_1V8), + K1_FUNC_PIN(62, 0, IO_TYPE_1V8), + K1_FUNC_PIN(63, 0, IO_TYPE_1V8), + K1_FUNC_PIN(64, 0, IO_TYPE_1V8), + K1_FUNC_PIN(65, 0, IO_TYPE_1V8), + K1_FUNC_PIN(66, 0, IO_TYPE_1V8), + K1_FUNC_PIN(67, 0, IO_TYPE_1V8), + K1_FUNC_PIN(68, 0, IO_TYPE_1V8), + K1_FUNC_PIN(69, 0, IO_TYPE_1V8), + K1_FUNC_PIN(70, 1, IO_TYPE_1V8), + K1_FUNC_PIN(71, 1, IO_TYPE_1V8), + K1_FUNC_PIN(72, 1, IO_TYPE_1V8), + K1_FUNC_PIN(73, 1, IO_TYPE_1V8), + K1_FUNC_PIN(74, 0, IO_TYPE_1V8), + K1_FUNC_PIN(75, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(76, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(77, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(78, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(79, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(80, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(81, 0, IO_TYPE_1V8), + K1_FUNC_PIN(82, 0, IO_TYPE_1V8), + K1_FUNC_PIN(83, 0, IO_TYPE_1V8), + K1_FUNC_PIN(84, 0, IO_TYPE_1V8), + K1_FUNC_PIN(85, 0, IO_TYPE_1V8), + K1_FUNC_PIN(86, 0, IO_TYPE_1V8), + K1_FUNC_PIN(87, 0, IO_TYPE_1V8), + K1_FUNC_PIN(88, 0, IO_TYPE_1V8), + K1_FUNC_PIN(89, 0, IO_TYPE_1V8), + K1_FUNC_PIN(90, 0, IO_TYPE_1V8), + K1_FUNC_PIN(91, 0, IO_TYPE_1V8), + K1_FUNC_PIN(92, 0, IO_TYPE_1V8), + K1_FUNC_PIN(93, 1, IO_TYPE_1V8), + K1_FUNC_PIN(94, 1, IO_TYPE_1V8), + K1_FUNC_PIN(95, 1, IO_TYPE_1V8), + K1_FUNC_PIN(96, 1, IO_TYPE_1V8), + K1_FUNC_PIN(97, 1, IO_TYPE_1V8), + K1_FUNC_PIN(98, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(99, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(100, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(101, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(102, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(103, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(104, 4, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(105, 4, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(106, 4, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(107, 4, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(108, 4, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(109, 4, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(110, 0, IO_TYPE_1V8), + K1_FUNC_PIN(111, 0, IO_TYPE_1V8), + K1_FUNC_PIN(112, 0, IO_TYPE_1V8), + K1_FUNC_PIN(113, 0, IO_TYPE_1V8), + K1_FUNC_PIN(114, 0, IO_TYPE_1V8), + K1_FUNC_PIN(115, 0, IO_TYPE_1V8), + K1_FUNC_PIN(116, 0, IO_TYPE_1V8), + K1_FUNC_PIN(117, 0, IO_TYPE_1V8), + K1_FUNC_PIN(118, 0, IO_TYPE_1V8), + K1_FUNC_PIN(119, 0, IO_TYPE_1V8), + K1_FUNC_PIN(120, 0, IO_TYPE_1V8), + K1_FUNC_PIN(121, 0, IO_TYPE_1V8), + K1_FUNC_PIN(122, 0, IO_TYPE_1V8), + K1_FUNC_PIN(123, 0, IO_TYPE_1V8), + K1_FUNC_PIN(124, 0, IO_TYPE_1V8), + K1_FUNC_PIN(125, 0, IO_TYPE_1V8), + K1_FUNC_PIN(126, 0, IO_TYPE_1V8), + K1_FUNC_PIN(127, 0, IO_TYPE_1V8), +}; + +static const struct spacemit_pinctrl_data k1_pinctrl_data = { + .pins = k1_pin_desc, + .data = k1_pin_data, + .npins = ARRAY_SIZE(k1_pin_desc), + .pin_to_offset = spacemit_k1_pin_to_offset, + .pin_to_io_pd_offset = spacemit_k1_pin_to_io_pd_offset, + .dconf = &k1_drive_conf, +}; + +static const struct pinctrl_pin_desc k3_pin_desc[] = { + PINCTRL_PIN(0, "GPIO_00"), + PINCTRL_PIN(1, "GPIO_01"), + PINCTRL_PIN(2, "GPIO_02"), + PINCTRL_PIN(3, "GPIO_03"), + PINCTRL_PIN(4, "GPIO_04"), + PINCTRL_PIN(5, "GPIO_05"), + PINCTRL_PIN(6, "GPIO_06"), + PINCTRL_PIN(7, "GPIO_07"), + PINCTRL_PIN(8, "GPIO_08"), + PINCTRL_PIN(9, "GPIO_09"), + PINCTRL_PIN(10, "GPIO_10"), + PINCTRL_PIN(11, "GPIO_11"), + PINCTRL_PIN(12, "GPIO_12"), + PINCTRL_PIN(13, "GPIO_13"), + PINCTRL_PIN(14, "GPIO_14"), + PINCTRL_PIN(15, "GPIO_15"), + PINCTRL_PIN(16, "GPIO_16"), + PINCTRL_PIN(17, "GPIO_17"), + PINCTRL_PIN(18, "GPIO_18"), + PINCTRL_PIN(19, "GPIO_19"), + PINCTRL_PIN(20, "GPIO_20"), + PINCTRL_PIN(21, "GPIO_21"), + PINCTRL_PIN(22, "GPIO_22"), + PINCTRL_PIN(23, "GPIO_23"), + PINCTRL_PIN(24, "GPIO_24"), + PINCTRL_PIN(25, "GPIO_25"), + PINCTRL_PIN(26, "GPIO_26"), + PINCTRL_PIN(27, "GPIO_27"), + PINCTRL_PIN(28, "GPIO_28"), + PINCTRL_PIN(29, "GPIO_29"), + PINCTRL_PIN(30, "GPIO_30"), + PINCTRL_PIN(31, "GPIO_31"), + PINCTRL_PIN(32, "GPIO_32"), + PINCTRL_PIN(33, "GPIO_33"), + PINCTRL_PIN(34, "GPIO_34"), + PINCTRL_PIN(35, "GPIO_35"), + PINCTRL_PIN(36, "GPIO_36"), + PINCTRL_PIN(37, "GPIO_37"), + PINCTRL_PIN(38, "GPIO_38"), + PINCTRL_PIN(39, "GPIO_39"), + PINCTRL_PIN(40, "GPIO_40"), + PINCTRL_PIN(41, "GPIO_41"), + PINCTRL_PIN(42, "GPIO_42"), + PINCTRL_PIN(43, "GPIO_43"), + PINCTRL_PIN(44, "GPIO_44"), + PINCTRL_PIN(45, "GPIO_45"), + PINCTRL_PIN(46, "GPIO_46"), + PINCTRL_PIN(47, "GPIO_47"), + PINCTRL_PIN(48, "GPIO_48"), + PINCTRL_PIN(49, "GPIO_49"), + PINCTRL_PIN(50, "GPIO_50"), + PINCTRL_PIN(51, "GPIO_51"), + PINCTRL_PIN(52, "GPIO_52"), + PINCTRL_PIN(53, "GPIO_53"), + PINCTRL_PIN(54, "GPIO_54"), + PINCTRL_PIN(55, "GPIO_55"), + PINCTRL_PIN(56, "GPIO_56"), + PINCTRL_PIN(57, "GPIO_57"), + PINCTRL_PIN(58, "GPIO_58"), + PINCTRL_PIN(59, "GPIO_59"), + PINCTRL_PIN(60, "GPIO_60"), + PINCTRL_PIN(61, "GPIO_61"), + PINCTRL_PIN(62, "GPIO_62"), + PINCTRL_PIN(63, "GPIO_63"), + PINCTRL_PIN(64, "GPIO_64"), + PINCTRL_PIN(65, "GPIO_65"), + PINCTRL_PIN(66, "GPIO_66"), + PINCTRL_PIN(67, "GPIO_67"), + PINCTRL_PIN(68, "GPIO_68"), + PINCTRL_PIN(69, "GPIO_69"), + PINCTRL_PIN(70, "GPIO_70"), + PINCTRL_PIN(71, "GPIO_71"), + PINCTRL_PIN(72, "GPIO_72"), + PINCTRL_PIN(73, "GPIO_73"), + PINCTRL_PIN(74, "GPIO_74"), + PINCTRL_PIN(75, "GPIO_75"), + PINCTRL_PIN(76, "GPIO_76"), + PINCTRL_PIN(77, "GPIO_77"), + PINCTRL_PIN(78, "GPIO_78"), + PINCTRL_PIN(79, "GPIO_79"), + PINCTRL_PIN(80, "GPIO_80"), + PINCTRL_PIN(81, "GPIO_81"), + PINCTRL_PIN(82, "GPIO_82"), + PINCTRL_PIN(83, "GPIO_83"), + PINCTRL_PIN(84, "GPIO_84"), + PINCTRL_PIN(85, "GPIO_85"), + PINCTRL_PIN(86, "GPIO_86"), + PINCTRL_PIN(87, "GPIO_87"), + PINCTRL_PIN(88, "GPIO_88"), + PINCTRL_PIN(89, "GPIO_89"), + PINCTRL_PIN(90, "GPIO_90"), + PINCTRL_PIN(91, "GPIO_91"), + PINCTRL_PIN(92, "GPIO_92"), + PINCTRL_PIN(93, "GPIO_93"), + PINCTRL_PIN(94, "GPIO_94"), + PINCTRL_PIN(95, "GPIO_95"), + PINCTRL_PIN(96, "GPIO_96"), + PINCTRL_PIN(97, "GPIO_97"), + PINCTRL_PIN(98, "GPIO_98"), + PINCTRL_PIN(99, "GPIO_99"), + PINCTRL_PIN(100, "GPIO_100"), + PINCTRL_PIN(101, "GPIO_101"), + PINCTRL_PIN(102, "GPIO_102"), + PINCTRL_PIN(103, "GPIO_103"), + PINCTRL_PIN(104, "GPIO_104"), + PINCTRL_PIN(105, "GPIO_105"), + PINCTRL_PIN(106, "GPIO_106"), + PINCTRL_PIN(107, "GPIO_107"), + PINCTRL_PIN(108, "GPIO_108"), + PINCTRL_PIN(109, "GPIO_109"), + PINCTRL_PIN(110, "GPIO_110"), + PINCTRL_PIN(111, "GPIO_111"), + PINCTRL_PIN(112, "GPIO_112"), + PINCTRL_PIN(113, "GPIO_113"), + PINCTRL_PIN(114, "GPIO_114"), + PINCTRL_PIN(115, "GPIO_115"), + PINCTRL_PIN(116, "GPIO_116"), + PINCTRL_PIN(117, "GPIO_117"), + PINCTRL_PIN(118, "GPIO_118"), + PINCTRL_PIN(119, "GPIO_119"), + PINCTRL_PIN(120, "GPIO_120"), + PINCTRL_PIN(121, "GPIO_121"), + PINCTRL_PIN(122, "GPIO_122"), + PINCTRL_PIN(123, "GPIO_123"), + PINCTRL_PIN(124, "GPIO_124"), + PINCTRL_PIN(125, "GPIO_125"), + PINCTRL_PIN(126, "GPIO_126"), + PINCTRL_PIN(127, "GPIO_127"), + PINCTRL_PIN(128, "PWR_SCL"), + PINCTRL_PIN(129, "PWR_SDA"), + PINCTRL_PIN(130, "VCXO_EN"), + PINCTRL_PIN(131, "PMIC_INT_N"), + PINCTRL_PIN(132, "MMC1_DAT3"), + PINCTRL_PIN(133, "MMC1_DAT2"), + PINCTRL_PIN(134, "MMC1_DAT1"), + PINCTRL_PIN(135, "MMC1_DAT0"), + PINCTRL_PIN(136, "MMC1_CMD"), + PINCTRL_PIN(137, "MMC1_CLK"), + PINCTRL_PIN(138, "QSPI_DAT0"), + PINCTRL_PIN(139, "QSPI_DAT1"), + PINCTRL_PIN(140, "QSPI_DAT2"), + PINCTRL_PIN(141, "QSPI_DAT3"), + PINCTRL_PIN(142, "QSPI_CS0"), + PINCTRL_PIN(143, "QSPI_CS1"), + PINCTRL_PIN(144, "QSPI_CLK"), + PINCTRL_PIN(145, "PRI_TDI"), + PINCTRL_PIN(146, "PRI_TMS"), + PINCTRL_PIN(147, "PRI_TCK"), + PINCTRL_PIN(148, "PRI_TDO"), + PINCTRL_PIN(149, "PWR_SSP_SCLK"), + PINCTRL_PIN(150, "PWR_SSP_FRM"), + PINCTRL_PIN(151, "PWR_SSP_TXD"), + PINCTRL_PIN(152, "PWR_SSP_RXD"), +}; + +static const struct spacemit_pin k3_pin_data[ARRAY_SIZE(k3_pin_desc)] = { + /* GPIO1 bank */ + K1_FUNC_PIN(0, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(1, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(2, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(3, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(4, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(5, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(6, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(7, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(8, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(9, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(10, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(11, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(12, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(13, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(14, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(15, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(16, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(17, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(18, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(19, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(20, 0, IO_TYPE_EXTERNAL), + + /* GPIO2 bank */ + K1_FUNC_PIN(21, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(22, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(23, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(24, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(25, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(26, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(27, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(28, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(29, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(30, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(31, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(32, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(33, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(34, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(35, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(36, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(37, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(38, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(39, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(40, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(41, 0, IO_TYPE_EXTERNAL), + + /* GPIO3 bank */ + K1_FUNC_PIN(42, 0, IO_TYPE_1V8), + K1_FUNC_PIN(43, 0, IO_TYPE_1V8), + K1_FUNC_PIN(44, 0, IO_TYPE_1V8), + K1_FUNC_PIN(45, 0, IO_TYPE_1V8), + K1_FUNC_PIN(46, 0, IO_TYPE_1V8), + K1_FUNC_PIN(47, 0, IO_TYPE_1V8), + K1_FUNC_PIN(48, 0, IO_TYPE_1V8), + K1_FUNC_PIN(49, 0, IO_TYPE_1V8), + K1_FUNC_PIN(50, 0, IO_TYPE_1V8), + K1_FUNC_PIN(51, 0, IO_TYPE_1V8), + K1_FUNC_PIN(52, 0, IO_TYPE_1V8), + K1_FUNC_PIN(53, 0, IO_TYPE_1V8), + K1_FUNC_PIN(54, 0, IO_TYPE_1V8), + K1_FUNC_PIN(55, 0, IO_TYPE_1V8), + K1_FUNC_PIN(56, 0, IO_TYPE_1V8), + K1_FUNC_PIN(57, 0, IO_TYPE_1V8), + K1_FUNC_PIN(58, 0, IO_TYPE_1V8), + K1_FUNC_PIN(59, 0, IO_TYPE_1V8), + K1_FUNC_PIN(60, 0, IO_TYPE_1V8), + K1_FUNC_PIN(61, 0, IO_TYPE_1V8), + K1_FUNC_PIN(62, 0, IO_TYPE_1V8), + K1_FUNC_PIN(63, 0, IO_TYPE_1V8), + K1_FUNC_PIN(64, 0, IO_TYPE_1V8), + K1_FUNC_PIN(65, 0, IO_TYPE_1V8), + K1_FUNC_PIN(66, 0, IO_TYPE_1V8), + K1_FUNC_PIN(67, 0, IO_TYPE_1V8), + K1_FUNC_PIN(68, 0, IO_TYPE_1V8), + K1_FUNC_PIN(69, 0, IO_TYPE_1V8), + K1_FUNC_PIN(70, 0, IO_TYPE_1V8), + K1_FUNC_PIN(71, 0, IO_TYPE_1V8), + K1_FUNC_PIN(72, 0, IO_TYPE_1V8), + K1_FUNC_PIN(73, 0, IO_TYPE_1V8), + K1_FUNC_PIN(74, 0, IO_TYPE_1V8), + K1_FUNC_PIN(75, 0, IO_TYPE_1V8), + + /* GPIO4 bank */ + K1_FUNC_PIN(76, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(77, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(78, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(79, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(80, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(81, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(82, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(83, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(84, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(85, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(86, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(87, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(88, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(89, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(90, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(91, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(92, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(93, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(94, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(95, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(96, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(97, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(98, 0, IO_TYPE_EXTERNAL), + + /* GPIO5 bank */ + K1_FUNC_PIN(99, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(100, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(101, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(102, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(103, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(104, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(105, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(106, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(107, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(108, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(109, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(110, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(111, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(112, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(113, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(114, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(115, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(116, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(117, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(118, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(119, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(120, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(121, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(122, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(123, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(124, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(125, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(126, 0, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(127, 0, IO_TYPE_EXTERNAL), + + /* PMIC */ + K1_FUNC_PIN(128, 0, IO_TYPE_1V8), + K1_FUNC_PIN(129, 0, IO_TYPE_1V8), + K1_FUNC_PIN(130, 0, IO_TYPE_1V8), + K1_FUNC_PIN(131, 0, IO_TYPE_1V8), + + /* SD/MMC1 */ + K1_FUNC_PIN(132, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(133, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(134, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(135, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(136, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(137, 1, IO_TYPE_EXTERNAL), + + /* QSPI */ + K1_FUNC_PIN(138, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(139, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(140, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(141, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(142, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(143, 1, IO_TYPE_EXTERNAL), + K1_FUNC_PIN(144, 1, IO_TYPE_EXTERNAL), + + /* PMIC */ + K1_FUNC_PIN(145, 1, IO_TYPE_1V8), + K1_FUNC_PIN(146, 1, IO_TYPE_1V8), + K1_FUNC_PIN(147, 1, IO_TYPE_1V8), + K1_FUNC_PIN(148, 1, IO_TYPE_1V8), + K1_FUNC_PIN(149, 1, IO_TYPE_1V8), + K1_FUNC_PIN(150, 1, IO_TYPE_1V8), + K1_FUNC_PIN(151, 1, IO_TYPE_1V8), + K1_FUNC_PIN(152, 1, IO_TYPE_1V8), +}; + +static const struct spacemit_pinctrl_data k3_pinctrl_data = { + .pins = k3_pin_desc, + .data = k3_pin_data, + .npins = ARRAY_SIZE(k3_pin_desc), + .pin_to_offset = spacemit_k3_pin_to_offset, + .pin_to_io_pd_offset = spacemit_k3_pin_to_io_pd_offset, + .dconf = &k3_drive_conf, +}; + +static const struct of_device_id k1_pinctrl_ids[] = { + { .compatible = "spacemit,k1-pinctrl", .data = &k1_pinctrl_data }, + { .compatible = "spacemit,k3-pinctrl", .data = &k3_pinctrl_data }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, k1_pinctrl_ids); + +static struct platform_driver k1_pinctrl_driver = { + .probe = spacemit_pinctrl_probe, + .driver = { + .name = "k1-pinctrl", + .suppress_bind_attrs = true, + .of_match_table = k1_pinctrl_ids, + }, +}; +builtin_platform_driver(k1_pinctrl_driver); + +MODULE_AUTHOR("Yixun Lan <dlan@gentoo.org>"); +MODULE_DESCRIPTION("Pinctrl driver for the SpacemiT K1/K3 SoC"); +MODULE_LICENSE("GPL"); |