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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
commitcf9610f9116d55c5a66ef9f1faecacabd93a9322 (patch)
tree757a3d280760c654767631cab5ad8af2d86d1848 /drivers/pinctrl/pinctrl-equilibrium.h
downloadlinux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.tar.gz
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Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlgrafted
Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ...
Diffstat (limited to 'drivers/pinctrl/pinctrl-equilibrium.h')
-rw-r--r--drivers/pinctrl/pinctrl-equilibrium.h132
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-equilibrium.h b/drivers/pinctrl/pinctrl-equilibrium.h
new file mode 100644
index 000000000..b56124d7f
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-equilibrium.h
@@ -0,0 +1,132 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright(c) 2019 Intel Corporation.
+ */
+
+#ifndef __PINCTRL_EQUILIBRIUM_H
+#define __PINCTRL_EQUILIBRIUM_H
+
+/* PINPAD register offset */
+#define REG_PMX_BASE 0x0 /* Port Multiplexer Control Register */
+#define REG_PUEN 0x80 /* PULL UP Enable Register */
+#define REG_PDEN 0x84 /* PULL DOWN Enable Register */
+#define REG_SRC 0x88 /* Slew Rate Control Register */
+#define REG_DCC0 0x8C /* Drive Current Control Register 0 */
+#define REG_DCC1 0x90 /* Drive Current Control Register 1 */
+#define REG_OD 0x94 /* Open Drain Enable Register */
+#define REG_AVAIL 0x98 /* Pad Control Availability Register */
+#define DRV_CUR_PINS 16 /* Drive Current pin number per register */
+#define REG_DRCC(x) (REG_DCC0 + (x) * 4) /* Driver current macro */
+
+/* GPIO register offset */
+#define GPIO_OUT 0x0 /* Data Output Register */
+#define GPIO_IN 0x4 /* Data Input Register */
+#define GPIO_DIR 0x8 /* Direction Register */
+#define GPIO_EXINTCR0 0x18 /* External Interrupt Control Register 0 */
+#define GPIO_EXINTCR1 0x1C /* External Interrupt Control Register 1 */
+#define GPIO_IRNCR 0x20 /* IRN Capture Register */
+#define GPIO_IRNICR 0x24 /* IRN Interrupt Control Register */
+#define GPIO_IRNEN 0x28 /* IRN Interrupt Enable Register */
+#define GPIO_IRNCFG 0x2C /* IRN Interrupt Configuration Register */
+#define GPIO_IRNRNSET 0x30 /* IRN Interrupt Enable Set Register */
+#define GPIO_IRNENCLR 0x34 /* IRN Interrupt Enable Clear Register */
+#define GPIO_OUTSET 0x40 /* Output Set Register */
+#define GPIO_OUTCLR 0x44 /* Output Clear Register */
+#define GPIO_DIRSET 0x48 /* Direction Set Register */
+#define GPIO_DIRCLR 0x4C /* Direction Clear Register */
+
+/* parse given pin's driver current value */
+#define PARSE_DRV_CURRENT(val, pin) (((val) >> ((pin) * 2)) & 0x3)
+
+#define GPIO_EDGE_TRIG 0
+#define GPIO_LEVEL_TRIG 1
+#define GPIO_SINGLE_EDGE 0
+#define GPIO_BOTH_EDGE 1
+#define GPIO_POSITIVE_TRIG 0
+#define GPIO_NEGATIVE_TRIG 1
+
+#define EQBR_GPIO_MODE 0
+
+typedef enum {
+ OP_COUNT_NR_FUNCS,
+ OP_ADD_FUNCS,
+ OP_COUNT_NR_FUNC_GRPS,
+ OP_ADD_FUNC_GRPS,
+ OP_NONE,
+} funcs_util_ops;
+
+/**
+ * struct gpio_irq_type: gpio irq configuration
+ * @trig_type: level trigger or edge trigger
+ * @edge_type: sigle edge or both edge
+ * @logic_type: positive trigger or negative trigger
+ */
+struct gpio_irq_type {
+ unsigned int trig_type;
+ unsigned int edge_type;
+ unsigned int logic_type;
+};
+
+/**
+ * struct eqbr_pin_bank: represent a pin bank.
+ * @membase: base address of the pin bank register.
+ * @id: bank id, to idenify the unique bank.
+ * @pin_base: starting pin number of the pin bank.
+ * @nr_pins: number of the pins of the pin bank.
+ * @aval_pinmap: available pin bitmap of the pin bank.
+ */
+struct eqbr_pin_bank {
+ void __iomem *membase;
+ unsigned int id;
+ unsigned int pin_base;
+ unsigned int nr_pins;
+ u32 aval_pinmap;
+};
+
+struct fwnode_handle;
+
+/**
+ * struct eqbr_gpio_ctrl: represent a gpio controller.
+ * @chip: gpio chip.
+ * @fwnode: firmware node of gpio controller.
+ * @bank: pointer to corresponding pin bank.
+ * @membase: base address of the gpio controller.
+ * @name: gpio chip name.
+ * @virq: irq number of the gpio chip to parent's irq domain.
+ * @lock: spin lock to protect gpio register write.
+ */
+struct eqbr_gpio_ctrl {
+ struct gpio_generic_chip chip;
+ struct fwnode_handle *fwnode;
+ struct eqbr_pin_bank *bank;
+ void __iomem *membase;
+ const char *name;
+ unsigned int virq;
+ raw_spinlock_t lock; /* protect gpio register */
+};
+
+/**
+ * struct eqbr_pinctrl_drv_data:
+ * @dev: device instance representing the controller.
+ * @pctl_desc: pin controller descriptor.
+ * @pctl_dev: pin control class device
+ * @membase: base address of pin controller
+ * @pin_banks: list of pin banks of the driver.
+ * @nr_banks: number of pin banks.
+ * @gpio_ctrls: list of gpio controllers.
+ * @nr_gpio_ctrls: number of gpio controllers.
+ * @lock: protect pinctrl register write
+ */
+struct eqbr_pinctrl_drv_data {
+ struct device *dev;
+ struct pinctrl_desc pctl_desc;
+ struct pinctrl_dev *pctl_dev;
+ void __iomem *membase;
+ struct eqbr_pin_bank *pin_banks;
+ unsigned int nr_banks;
+ struct eqbr_gpio_ctrl *gpio_ctrls;
+ unsigned int nr_gpio_ctrls;
+ raw_spinlock_t lock; /* protect pinpad register */
+};
+
+#endif /* __PINCTRL_EQUILIBRIUM_H */