pinctrl: rockchip: Add rv1126 support

Add pinctrl driver for Rockchip RV1126.

Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

2 files changed, 417 insertions, 0 deletions

diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile
index 7d03f81..9884355 100644
--- a/drivers/pinctrl/rockchip/Makefile
+++ b/drivers/pinctrl/rockchip/Makefile
@@ -15,3 +15,4 @@ obj-$(CONFIG_ROCKCHIP_RK3328) += pinctrl-rk3328.o
 obj-$(CONFIG_ROCKCHIP_RK3368) += pinctrl-rk3368.o
 obj-$(CONFIG_ROCKCHIP_RK3399) += pinctrl-rk3399.o
 obj-$(CONFIG_ROCKCHIP_RV1108) += pinctrl-rv1108.o
+obj-$(CONFIG_ROCKCHIP_RV1126) += pinctrl-rv1126.o
diff --git a/drivers/pinctrl/rockchip/pinctrl-rv1126.c b/drivers/pinctrl/rockchip/pinctrl-rv1126.c
new file mode 100644
index 0000000..eefb8b1
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rv1126.c
@@ -0,0 +1,416 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2020 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <log.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+#include <linux/bitops.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+#include "pinctrl-rockchip.h"
+
+static struct rockchip_mux_recalced_data rv1126_mux_recalced_data[] = {
+	{
+		.num = 0,
+		.pin = 20,
+		.reg = 0x10000,
+		.bit = 0,
+		.mask = 0xf
+	},
+	{
+		.num = 0,
+		.pin = 21,
+		.reg = 0x10000,
+		.bit = 4,
+		.mask = 0xf
+	},
+	{
+		.num = 0,
+		.pin = 22,
+		.reg = 0x10000,
+		.bit = 8,
+		.mask = 0xf
+	},
+	{
+		.num = 0,
+		.pin = 23,
+		.reg = 0x10000,
+		.bit = 12,
+		.mask = 0xf
+	},
+};
+
+static struct rockchip_mux_route_data rv1126_mux_route_data[] = {
+	MR_TOPGRF(RK_GPIO3, RK_PD2, 1, 0x10260, RK_GENMASK_VAL(0, 0, 0)), /* I2S0_MCLK_M0 */
+	MR_TOPGRF(RK_GPIO3, RK_PB0, 3, 0x10260, RK_GENMASK_VAL(0, 0, 1)), /* I2S0_MCLK_M1 */
+
+	MR_TOPGRF(RK_GPIO0, RK_PD4, 4, 0x10260, RK_GENMASK_VAL(3, 2, 0)), /* I2S1_MCLK_M0 */
+	MR_TOPGRF(RK_GPIO1, RK_PD5, 2, 0x10260, RK_GENMASK_VAL(3, 2, 1)), /* I2S1_MCLK_M1 */
+	MR_TOPGRF(RK_GPIO2, RK_PC7, 6, 0x10260, RK_GENMASK_VAL(3, 2, 2)), /* I2S1_MCLK_M2 */
+
+	MR_TOPGRF(RK_GPIO1, RK_PD0, 1, 0x10260, RK_GENMASK_VAL(4, 4, 0)), /* I2S2_MCLK_M0 */
+	MR_TOPGRF(RK_GPIO2, RK_PB3, 2, 0x10260, RK_GENMASK_VAL(4, 4, 1)), /* I2S2_MCLK_M1 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PD4, 2, 0x10260, RK_GENMASK_VAL(12, 12, 0)), /* PDM_CLK0_M0 */
+	MR_TOPGRF(RK_GPIO3, RK_PC0, 3, 0x10260, RK_GENMASK_VAL(12, 12, 1)), /* PDM_CLK0_M1 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PC6, 1, 0x10264, RK_GENMASK_VAL(0, 0, 0)), /* CIF_CLKOUT_M0 */
+	MR_TOPGRF(RK_GPIO2, RK_PD1, 3, 0x10264, RK_GENMASK_VAL(0, 0, 1)), /* CIF_CLKOUT_M1 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PA4, 5, 0x10264, RK_GENMASK_VAL(5, 4, 0)), /* I2C3_SCL_M0 */
+	MR_TOPGRF(RK_GPIO2, RK_PD4, 7, 0x10264, RK_GENMASK_VAL(5, 4, 1)), /* I2C3_SCL_M1 */
+	MR_TOPGRF(RK_GPIO1, RK_PD6, 3, 0x10264, RK_GENMASK_VAL(5, 4, 2)), /* I2C3_SCL_M2 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PA0, 7, 0x10264, RK_GENMASK_VAL(6, 6, 0)), /* I2C4_SCL_M0 */
+	MR_TOPGRF(RK_GPIO4, RK_PA0, 4, 0x10264, RK_GENMASK_VAL(6, 6, 1)), /* I2C4_SCL_M1 */
+
+	MR_TOPGRF(RK_GPIO2, RK_PA5, 7, 0x10264, RK_GENMASK_VAL(9, 8, 0)), /* I2C5_SCL_M0 */
+	MR_TOPGRF(RK_GPIO3, RK_PB0, 5, 0x10264, RK_GENMASK_VAL(9, 8, 1)), /* I2C5_SCL_M1 */
+	MR_TOPGRF(RK_GPIO1, RK_PD0, 4, 0x10264, RK_GENMASK_VAL(9, 8, 2)), /* I2C5_SCL_M2 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PC0, 5, 0x10264, RK_GENMASK_VAL(11, 10, 0)), /* SPI1_CLK_M0 */
+	MR_TOPGRF(RK_GPIO1, RK_PC6, 3, 0x10264, RK_GENMASK_VAL(11, 10, 1)), /* SPI1_CLK_M1 */
+	MR_TOPGRF(RK_GPIO2, RK_PD5, 6, 0x10264, RK_GENMASK_VAL(11, 10, 2)), /* SPI1_CLK_M2 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PC0, 2, 0x10264, RK_GENMASK_VAL(12, 12, 0)), /* RGMII_CLK_M0 */
+	MR_TOPGRF(RK_GPIO2, RK_PB7, 2, 0x10264, RK_GENMASK_VAL(12, 12, 1)), /* RGMII_CLK_M1 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PA1, 3, 0x10264, RK_GENMASK_VAL(13, 13, 0)), /* CAN_TXD_M0 */
+	MR_TOPGRF(RK_GPIO3, RK_PA7, 5, 0x10264, RK_GENMASK_VAL(13, 13, 1)), /* CAN_TXD_M1 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PA4, 6, 0x10268, RK_GENMASK_VAL(0, 0, 0)), /* PWM8_M0 */
+	MR_TOPGRF(RK_GPIO2, RK_PD7, 5, 0x10268, RK_GENMASK_VAL(0, 0, 1)), /* PWM8_M1 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PA5, 6, 0x10268, RK_GENMASK_VAL(2, 2, 0)), /* PWM9_M0 */
+	MR_TOPGRF(RK_GPIO2, RK_PD6, 5, 0x10268, RK_GENMASK_VAL(2, 2, 1)), /* PWM9_M1 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PA6, 6, 0x10268, RK_GENMASK_VAL(4, 4, 0)), /* PWM10_M0 */
+	MR_TOPGRF(RK_GPIO2, RK_PD5, 5, 0x10268, RK_GENMASK_VAL(4, 4, 1)), /* PWM10_M1 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PA7, 6, 0x10268, RK_GENMASK_VAL(6, 6, 0)), /* PWM11_IR_M0 */
+	MR_TOPGRF(RK_GPIO3, RK_PA1, 5, 0x10268, RK_GENMASK_VAL(6, 6, 1)), /* PWM11_IR_M1 */
+
+	MR_TOPGRF(RK_GPIO1, RK_PA5, 3, 0x10268, RK_GENMASK_VAL(8, 8, 0)), /* UART2_TX_M0 */
+	MR_TOPGRF(RK_GPIO3, RK_PA2, 1, 0x10268, RK_GENMASK_VAL(8, 8, 1)), /* UART2_TX_M1 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PC6, 3, 0x10268, RK_GENMASK_VAL(11, 10, 0)), /* UART3_TX_M0 */
+	MR_TOPGRF(RK_GPIO1, RK_PA7, 2, 0x10268, RK_GENMASK_VAL(11, 10, 1)), /* UART3_TX_M1 */
+	MR_TOPGRF(RK_GPIO3, RK_PA0, 4, 0x10268, RK_GENMASK_VAL(11, 10, 2)), /* UART3_TX_M2 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PA4, 4, 0x10268, RK_GENMASK_VAL(13, 12, 0)), /* UART4_TX_M0 */
+	MR_TOPGRF(RK_GPIO2, RK_PA6, 4, 0x10268, RK_GENMASK_VAL(13, 12, 1)), /* UART4_TX_M1 */
+	MR_TOPGRF(RK_GPIO1, RK_PD5, 3, 0x10268, RK_GENMASK_VAL(13, 12, 2)), /* UART4_TX_M2 */
+
+	MR_TOPGRF(RK_GPIO3, RK_PA6, 4, 0x10268, RK_GENMASK_VAL(15, 14, 0)), /* UART5_TX_M0 */
+	MR_TOPGRF(RK_GPIO2, RK_PB0, 4, 0x10268, RK_GENMASK_VAL(15, 14, 1)), /* UART5_TX_M1 */
+	MR_TOPGRF(RK_GPIO2, RK_PA0, 3, 0x10268, RK_GENMASK_VAL(15, 14, 2)), /* UART5_TX_M2 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PB6, 3, 0x0114, RK_GENMASK_VAL(0, 0, 0)), /* PWM0_M0 */
+	MR_PMUGRF(RK_GPIO2, RK_PB3, 5, 0x0114, RK_GENMASK_VAL(0, 0, 1)), /* PWM0_M1 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PB7, 3, 0x0114, RK_GENMASK_VAL(2, 2, 0)), /* PWM1_M0 */
+	MR_PMUGRF(RK_GPIO2, RK_PB2, 5, 0x0114, RK_GENMASK_VAL(2, 2, 1)), /* PWM1_M1 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PC0, 3, 0x0114, RK_GENMASK_VAL(4, 4, 0)), /* PWM2_M0 */
+	MR_PMUGRF(RK_GPIO2, RK_PB1, 5, 0x0114, RK_GENMASK_VAL(4, 4, 1)), /* PWM2_M1 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PC1, 3, 0x0114, RK_GENMASK_VAL(6, 6, 0)), /* PWM3_IR_M0 */
+	MR_PMUGRF(RK_GPIO2, RK_PB0, 5, 0x0114, RK_GENMASK_VAL(6, 6, 1)), /* PWM3_IR_M1 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PC2, 3, 0x0114, RK_GENMASK_VAL(8, 8, 0)), /* PWM4_M0 */
+	MR_PMUGRF(RK_GPIO2, RK_PA7, 5, 0x0114, RK_GENMASK_VAL(8, 8, 1)), /* PWM4_M1 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PC3, 3, 0x0114, RK_GENMASK_VAL(10, 10, 0)), /* PWM5_M0 */
+	MR_PMUGRF(RK_GPIO2, RK_PA6, 5, 0x0114, RK_GENMASK_VAL(10, 10, 1)), /* PWM5_M1 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PB2, 3, 0x0114, RK_GENMASK_VAL(12, 12, 0)), /* PWM6_M0 */
+	MR_PMUGRF(RK_GPIO2, RK_PD4, 5, 0x0114, RK_GENMASK_VAL(12, 12, 1)), /* PWM6_M1 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PB1, 3, 0x0114, RK_GENMASK_VAL(14, 14, 0)), /* PWM7_IR_M0 */
+	MR_PMUGRF(RK_GPIO3, RK_PA0, 5, 0x0114, RK_GENMASK_VAL(14, 14, 1)), /* PWM7_IR_M1 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PB0, 1, 0x0118, RK_GENMASK_VAL(1, 0, 0)), /* SPI0_CLK_M0 */
+	MR_PMUGRF(RK_GPIO2, RK_PA1, 1, 0x0118, RK_GENMASK_VAL(1, 0, 1)), /* SPI0_CLK_M1 */
+	MR_PMUGRF(RK_GPIO2, RK_PB2, 6, 0x0118, RK_GENMASK_VAL(1, 0, 2)), /* SPI0_CLK_M2 */
+
+	MR_PMUGRF(RK_GPIO0, RK_PB6, 2, 0x0118, RK_GENMASK_VAL(2, 2, 0)), /* UART1_TX_M0 */
+	MR_PMUGRF(RK_GPIO1, RK_PD0, 5, 0x0118, RK_GENMASK_VAL(2, 2, 1)), /* UART1_TX_M1 */
+	MR_PMUGRF(RK_GPIO0, RK_PC3, 1, 0x0118, RK_GENMASK_VAL(4, 4, 1)), /* I2C2 */
+};
+
+static int rv1126_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
+{
+	struct rockchip_pinctrl_priv *priv = bank->priv;
+	int iomux_num = (pin / 8);
+	struct regmap *regmap;
+	int reg, ret, mask, mux_type;
+	u8 bit;
+	u32 data;
+
+	debug("setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux);
+
+	if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
+		regmap = priv->regmap_pmu;
+	else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU)
+		regmap = (pin % 8 < 4) ? priv->regmap_pmu : priv->regmap_base;
+	else
+		regmap = priv->regmap_base;
+
+	/* get basic quadrupel of mux registers and the correct reg inside */
+	mux_type = bank->iomux[iomux_num].type;
+	reg = bank->iomux[iomux_num].offset;
+	if (mux_type & IOMUX_WIDTH_4BIT) {
+		if ((pin % 8) >= 4)
+			reg += 0x4;
+		bit = (pin % 4) * 4;
+		mask = 0xf;
+	} else {
+		bit = (pin % 8) * 2;
+		mask = 0x3;
+	}
+
+	if (bank->recalced_mask & BIT(pin))
+		rockchip_get_recalced_mux(bank, pin, &reg, &bit, &mask);
+
+	data = (mask << (bit + 16));
+	data |= (mux & mask) << bit;
+	ret = regmap_write(regmap, reg, data);
+
+	return ret;
+}
+
+#define RV1126_PULL_PMU_OFFSET		0x40
+#define RV1126_PULL_GRF_GPIO1A0_OFFSET		0x10108
+#define RV1126_PULL_PINS_PER_REG	8
+#define RV1126_PULL_BITS_PER_PIN	2
+#define RV1126_PULL_BANK_STRIDE		16
+#define RV1126_GPIO_C4_D7(p)	(p >= 20 && p <= 31) /* GPIO0_C4 ~ GPIO0_D7 */
+
+static void rv1126_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+					 int pin_num, struct regmap **regmap,
+					 int *reg, u8 *bit)
+{
+	struct rockchip_pinctrl_priv *priv = bank->priv;
+
+	/* The first 24 pins of the first bank are located in PMU */
+	if (bank->bank_num == 0) {
+		if (RV1126_GPIO_C4_D7(pin_num)) {
+			*regmap = priv->regmap_base;
+			*reg = RV1126_PULL_GRF_GPIO1A0_OFFSET;
+			*reg -= (((31 - pin_num) / RV1126_PULL_PINS_PER_REG + 1) * 4);
+			*bit = pin_num % RV1126_PULL_PINS_PER_REG;
+			*bit *= RV1126_PULL_BITS_PER_PIN;
+			return;
+		}
+		*regmap = priv->regmap_pmu;
+		*reg = RV1126_PULL_PMU_OFFSET;
+	} else {
+		*reg = RV1126_PULL_GRF_GPIO1A0_OFFSET;
+		*regmap = priv->regmap_base;
+		*reg += (bank->bank_num - 1) * RV1126_PULL_BANK_STRIDE;
+	}
+
+	*reg += ((pin_num / RV1126_PULL_PINS_PER_REG) * 4);
+	*bit = (pin_num % RV1126_PULL_PINS_PER_REG);
+	*bit *= RV1126_PULL_BITS_PER_PIN;
+}
+
+static int rv1126_set_pull(struct rockchip_pin_bank *bank,
+			   int pin_num, int pull)
+{
+	struct regmap *regmap;
+	int reg, ret;
+	u8 bit, type;
+	u32 data;
+
+	if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT)
+		return -EOPNOTSUPP;
+
+	rv1126_calc_pull_reg_and_bit(bank, pin_num, &regmap, &reg, &bit);
+	type = bank->pull_type[pin_num / 8];
+	ret = rockchip_translate_pull_value(type, pull);
+	if (ret < 0) {
+		debug("unsupported pull setting %d\n", pull);
+		return ret;
+	}
+
+	/* enable the write to the equivalent lower bits */
+	data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16);
+
+	data |= (ret << bit);
+	ret = regmap_write(regmap, reg, data);
+
+	return ret;
+}
+
+#define RV1126_DRV_PMU_OFFSET		0x20
+#define RV1126_DRV_GRF_GPIO1A0_OFFSET		0x10090
+#define RV1126_DRV_BITS_PER_PIN		4
+#define RV1126_DRV_PINS_PER_REG		4
+#define RV1126_DRV_BANK_STRIDE		32
+
+static void rv1126_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+					int pin_num, struct regmap **regmap,
+					int *reg, u8 *bit)
+{
+	struct rockchip_pinctrl_priv *priv = bank->priv;
+
+	/* The first 24 pins of the first bank are located in PMU */
+	if (bank->bank_num == 0) {
+		if (RV1126_GPIO_C4_D7(pin_num)) {
+			*regmap = priv->regmap_base;
+			*reg = RV1126_DRV_GRF_GPIO1A0_OFFSET;
+			*reg -= (((31 - pin_num) / RV1126_DRV_PINS_PER_REG + 1) * 4);
+			*reg -= 0x4;
+			*bit = pin_num % RV1126_DRV_PINS_PER_REG;
+			*bit *= RV1126_DRV_BITS_PER_PIN;
+			return;
+		}
+		*regmap = priv->regmap_pmu;
+		*reg = RV1126_DRV_PMU_OFFSET;
+	} else {
+		*regmap = priv->regmap_base;
+		*reg = RV1126_DRV_GRF_GPIO1A0_OFFSET;
+		*reg += (bank->bank_num - 1) * RV1126_DRV_BANK_STRIDE;
+	}
+
+	*reg += ((pin_num / RV1126_DRV_PINS_PER_REG) * 4);
+	*bit = pin_num % RV1126_DRV_PINS_PER_REG;
+	*bit *= RV1126_DRV_BITS_PER_PIN;
+}
+
+static int rv1126_set_drive(struct rockchip_pin_bank *bank,
+			    int pin_num, int strength)
+{
+	struct regmap *regmap;
+	int reg;
+	u32 data;
+	u8 bit;
+
+	rv1126_calc_drv_reg_and_bit(bank, pin_num, &regmap, &reg, &bit);
+
+	/* enable the write to the equivalent lower bits */
+	data = ((1 << ROCKCHIP_DRV_BITS_PER_PIN) - 1) << (bit + 16);
+	data |= (strength << bit);
+
+	return regmap_write(regmap, reg, data);
+}
+
+#define RV1126_SCHMITT_PMU_OFFSET		0x60
+#define RV1126_SCHMITT_GRF_GPIO1A0_OFFSET		0x10188
+#define RV1126_SCHMITT_BANK_STRIDE		16
+#define RV1126_SCHMITT_PINS_PER_GRF_REG		8
+#define RV1126_SCHMITT_PINS_PER_PMU_REG		8
+
+static int rv1126_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
+					   int pin_num,
+					   struct regmap **regmap,
+					   int *reg, u8 *bit)
+{
+	struct rockchip_pinctrl_priv *priv = bank->priv;
+	int pins_per_reg;
+
+	if (bank->bank_num == 0) {
+		if (RV1126_GPIO_C4_D7(pin_num)) {
+			*regmap = priv->regmap_base;
+			*reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET;
+			*reg -= (((31 - pin_num) / RV1126_SCHMITT_PINS_PER_GRF_REG + 1) * 4);
+			*bit = pin_num % RV1126_SCHMITT_PINS_PER_GRF_REG;
+			return 0;
+		}
+		*regmap = priv->regmap_pmu;
+		*reg = RV1126_SCHMITT_PMU_OFFSET;
+		pins_per_reg = RV1126_SCHMITT_PINS_PER_PMU_REG;
+	} else {
+		*regmap = priv->regmap_base;
+		*reg = RV1126_SCHMITT_GRF_GPIO1A0_OFFSET;
+		pins_per_reg = RV1126_SCHMITT_PINS_PER_GRF_REG;
+		*reg += (bank->bank_num - 1) * RV1126_SCHMITT_BANK_STRIDE;
+	}
+	*reg += ((pin_num / pins_per_reg) * 4);
+	*bit = pin_num % pins_per_reg;
+
+	return 0;
+}
+
+static int rv1126_set_schmitt(struct rockchip_pin_bank *bank,
+			      int pin_num, int enable)
+{
+	struct regmap *regmap;
+	int reg;
+	u8 bit;
+	u32 data;
+
+	rv1126_calc_schmitt_reg_and_bit(bank, pin_num, &regmap, &reg, &bit);
+	/* enable the write to the equivalent lower bits */
+	data = BIT(bit + 16) | (enable << bit);
+
+	return regmap_write(regmap, reg, data);
+}
+
+static struct rockchip_pin_bank rv1126_pin_banks[] = {
+	PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0",
+			     IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU,
+			     IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU,
+			     IOMUX_WIDTH_4BIT | IOMUX_L_SOURCE_PMU,
+			     IOMUX_WIDTH_4BIT),
+	PIN_BANK_IOMUX_FLAGS_OFFSET(1, 32, "gpio1",
+				    IOMUX_WIDTH_4BIT,
+				    IOMUX_WIDTH_4BIT,
+				    IOMUX_WIDTH_4BIT,
+				    IOMUX_WIDTH_4BIT,
+				    0x10010, 0x10018, 0x10020, 0x10028),
+	PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2",
+			     IOMUX_WIDTH_4BIT,
+			     IOMUX_WIDTH_4BIT,
+			     IOMUX_WIDTH_4BIT,
+			     IOMUX_WIDTH_4BIT),
+	PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3",
+			     IOMUX_WIDTH_4BIT,
+			     IOMUX_WIDTH_4BIT,
+			     IOMUX_WIDTH_4BIT,
+			     IOMUX_WIDTH_4BIT),
+	PIN_BANK_IOMUX_FLAGS(4, 2, "gpio4",
+			     IOMUX_WIDTH_4BIT, 0, 0, 0),
+};
+
+static const struct rockchip_pin_ctrl rv1126_pin_ctrl = {
+	.pin_banks		= rv1126_pin_banks,
+	.nr_banks		= ARRAY_SIZE(rv1126_pin_banks),
+	.nr_pins		= 130,
+	.grf_mux_offset		= 0x10004, /* mux offset from GPIO0_D0 */
+	.pmu_mux_offset		= 0x0,
+	.iomux_routes		= rv1126_mux_route_data,
+	.niomux_routes		= ARRAY_SIZE(rv1126_mux_route_data),
+	.iomux_recalced		= rv1126_mux_recalced_data,
+	.niomux_recalced	= ARRAY_SIZE(rv1126_mux_recalced_data),
+	.set_mux		= rv1126_set_mux,
+	.set_pull		= rv1126_set_pull,
+	.set_drive		= rv1126_set_drive,
+	.set_schmitt		= rv1126_set_schmitt,
+};
+
+static const struct udevice_id rv1126_pinctrl_ids[] = {
+	{
+		.compatible = "rockchip,rv1126-pinctrl",
+		.data = (ulong)&rv1126_pin_ctrl
+	},
+	{ }
+};
+
+U_BOOT_DRIVER(pinctrl_rv1126) = {
+	.name		= "rockchip_rv1126_pinctrl",
+	.id		= UCLASS_PINCTRL,
+	.of_match	= rv1126_pinctrl_ids,
+	.priv_auto	= sizeof(struct rockchip_pinctrl_priv),
+	.ops		= &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+	.bind		= dm_scan_fdt_dev,
+#endif
+	.probe		= rockchip_pinctrl_probe,
+};