pinctrl: rockchip: add support for rk1108 (688daf23) · Commits · 戴 / test

drivers/pinctrl/pinctrl-rockchip.c

+86 −0

Original line number	Diff line number	Diff line
		@@ -59,6 +59,7 @@
		#define GPIO_LS_SYNC 0x60

		enum rockchip_pinctrl_type {
		RK1108,
		RK2928,
		RK3066B,
		RK3188,
		@@ -624,6 +625,65 @@ static int rockchip_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
		return ret;
		}

		#define RK1108_PULL_PMU_OFFSET 0x10
		#define RK1108_PULL_OFFSET 0x110
		#define RK1108_PULL_PINS_PER_REG 8
		#define RK1108_PULL_BITS_PER_PIN 2
		#define RK1108_PULL_BANK_STRIDE 16

		static void rk1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
		int pin_num, struct regmap **regmap,
		int reg, u8 bit)
		{
		struct rockchip_pinctrl *info = bank->drvdata;

		/* The first 24 pins of the first bank are located in PMU */
		if (bank->bank_num == 0) {
		*regmap = info->regmap_pmu;
		*reg = RK1108_PULL_PMU_OFFSET;
		} else {
		*reg = RK1108_PULL_OFFSET;
		*regmap = info->regmap_base;
		/* correct the offset, as we're starting with the 2nd bank */
		*reg -= 0x10;
		reg += bank->bank_num RK1108_PULL_BANK_STRIDE;
		}

		reg += ((pin_num / RK1108_PULL_PINS_PER_REG) 4);
		*bit = (pin_num % RK1108_PULL_PINS_PER_REG);
		bit = RK1108_PULL_BITS_PER_PIN;
		}

		#define RK1108_DRV_PMU_OFFSET 0x20
		#define RK1108_DRV_GRF_OFFSET 0x210
		#define RK1108_DRV_BITS_PER_PIN 2
		#define RK1108_DRV_PINS_PER_REG 8
		#define RK1108_DRV_BANK_STRIDE 16

		static void rk1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
		int pin_num, struct regmap **regmap,
		int reg, u8 bit)
		{
		struct rockchip_pinctrl *info = bank->drvdata;

		/* The first 24 pins of the first bank are located in PMU */
		if (bank->bank_num == 0) {
		*regmap = info->regmap_pmu;
		*reg = RK1108_DRV_PMU_OFFSET;
		} else {
		*regmap = info->regmap_base;
		*reg = RK1108_DRV_GRF_OFFSET;

		/* correct the offset, as we're starting with the 2nd bank */
		*reg -= 0x10;
		reg += bank->bank_num RK1108_DRV_BANK_STRIDE;
		}

		reg += ((pin_num / RK1108_DRV_PINS_PER_REG) 4);
		*bit = pin_num % RK1108_DRV_PINS_PER_REG;
		bit = RK1108_DRV_BITS_PER_PIN;
		}

		#define RK2928_PULL_OFFSET 0x118
		#define RK2928_PULL_PINS_PER_REG 16
		#define RK2928_PULL_BANK_STRIDE 8
		@@ -1123,6 +1183,7 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num)
		return !(data & BIT(bit))
		? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT
		: PIN_CONFIG_BIAS_DISABLE;
		case RK1108:
		case RK3188:
		case RK3288:
		case RK3368:
		@@ -1169,6 +1230,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank,

		spin_unlock_irqrestore(&bank->slock, flags);
		break;
		case RK1108:
		case RK3188:
		case RK3288:
		case RK3368:
		@@ -1358,6 +1420,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl,
		pull == PIN_CONFIG_BIAS_DISABLE);
		case RK3066B:
		return pull ? false : true;
		case RK1108:
		case RK3188:
		case RK3288:
		case RK3368:
		@@ -2455,6 +2518,27 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev)
		return 0;
		}

		static struct rockchip_pin_bank rk1108_pin_banks[] = {
		PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
		IOMUX_SOURCE_PMU,
		IOMUX_SOURCE_PMU,
		IOMUX_SOURCE_PMU),
		PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
		PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, 0),
		PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, 0),
		};

		static struct rockchip_pin_ctrl rk1108_pin_ctrl = {
		.pin_banks = rk1108_pin_banks,
		.nr_banks = ARRAY_SIZE(rk1108_pin_banks),
		.label = "RK1108-GPIO",
		.type = RK1108,
		.grf_mux_offset = 0x10,
		.pmu_mux_offset = 0x0,
		.pull_calc_reg = rk1108_calc_pull_reg_and_bit,
		.drv_calc_reg = rk1108_calc_drv_reg_and_bit,
		};

		static struct rockchip_pin_bank rk2928_pin_banks[] = {
		PIN_BANK(0, 32, "gpio0"),
		PIN_BANK(1, 32, "gpio1"),
		@@ -2684,6 +2768,8 @@ static struct rockchip_pin_ctrl rk3399_pin_ctrl = {
		};

		static const struct of_device_id rockchip_pinctrl_dt_match[] = {
		{ .compatible = "rockchip,rk1108-pinctrl",
		.data = (void *)&rk1108_pin_ctrl },
		{ .compatible = "rockchip,rk2928-pinctrl",
		.data = (void *)&rk2928_pin_ctrl },
		{ .compatible = "rockchip,rk3036-pinctrl",

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