rockchip: rk3128: add pinctrl driver

Add rk3128 pinctrl driver and grf/iomux structure definition.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

4 files changed, 750 insertions, 2 deletions

diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk3128.h b/arch/arm/include/asm/arch-rockchip/grf_rk3128.h
new file mode 100644
index 0000000000..aa6b693520
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/grf_rk3128.h
@@ -0,0 +1,551 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#ifndef _ASM_ARCH_GRF_RK3128_H
+#define _ASM_ARCH_GRF_RK3128_H
+
+#include <common.h>
+
+struct rk3128_grf {
+	unsigned int reserved[0x2a];
+	unsigned int gpio0a_iomux;
+	unsigned int gpio0b_iomux;
+	unsigned int gpio0c_iomux;
+	unsigned int gpio0d_iomux;
+	unsigned int gpio1a_iomux;
+	unsigned int gpio1b_iomux;
+	unsigned int gpio1c_iomux;
+	unsigned int gpio1d_iomux;
+	unsigned int gpio2a_iomux;
+	unsigned int gpio2b_iomux;
+	unsigned int gpio2c_iomux;
+	unsigned int gpio2d_iomux;
+	unsigned int gpio3a_iomux;
+	unsigned int gpio3b_iomux;
+	unsigned int gpio3c_iomux;
+	unsigned int gpio3d_iomux;
+	unsigned int gpio2c_iomux2;
+	unsigned int grf_cif_iomux;
+	unsigned int grf_cif_iomux1;
+	unsigned int reserved1[(0x118 - 0xf0) / 4 - 1];
+	unsigned int gpio0l_pull;
+	unsigned int gpio0h_pull;
+	unsigned int gpio1l_pull;
+	unsigned int gpio1h_pull;
+	unsigned int gpio2l_pull;
+	unsigned int gpio2h_pull;
+	unsigned int gpio3l_pull;
+	unsigned int gpio3h_pull;
+	unsigned int reserved2;
+	unsigned int soc_con0;
+	unsigned int soc_con1;
+	unsigned int soc_con2;
+	unsigned int soc_status0;
+	unsigned int reserved3[6];
+	unsigned int mac_con0;
+	unsigned int mac_con1;
+	unsigned int reserved4[4];
+	unsigned int uoc0_con0;
+	unsigned int reserved5;
+	unsigned int uoc1_con1;
+	unsigned int uoc1_con2;
+	unsigned int uoc1_con3;
+	unsigned int uoc1_con4;
+	unsigned int uoc1_con5;
+	unsigned int reserved6;
+	unsigned int ddrc_stat;
+	unsigned int reserved9;
+	unsigned int soc_status1;
+	unsigned int cpu_con0;
+	unsigned int cpu_con1;
+	unsigned int cpu_con2;
+	unsigned int cpu_con3;
+	unsigned int reserved10;
+	unsigned int reserved11;
+	unsigned int cpu_status0;
+	unsigned int cpu_status1;
+	unsigned int os_reg[8];
+	unsigned int reserved12[(0x280 - 0x1e4) / 4 - 1];
+	unsigned int usbphy0_con[8];
+	unsigned int usbphy1_con[8];
+	unsigned int uoc_status0;
+	unsigned int reserved13[(0x300 - 0x2c0) / 4 - 1];
+	unsigned int chip_tag;
+	unsigned int sdmmc_det_cnt;
+};
+check_member(rk3128_grf, sdmmc_det_cnt, 0x304);
+
+struct rk3128_pmu {
+	unsigned int wakeup_cfg;
+	unsigned int pwrdn_con;
+	unsigned int pwrdn_st;
+	unsigned int idle_req;
+	unsigned int idle_st;
+	unsigned int pwrmode_con;
+	unsigned int pwr_state;
+	unsigned int osc_cnt;
+	unsigned int core_pwrdwn_cnt;
+	unsigned int core_pwrup_cnt;
+	unsigned int sft_con;
+	unsigned int ddr_sref_st;
+	unsigned int int_con;
+	unsigned int int_st;
+	unsigned int sys_reg[4];
+};
+check_member(rk3128_pmu, int_st, 0x34);
+
+/* GRF_GPIO0A_IOMUX */
+enum {
+	GPIO0A7_SHIFT		= 14,
+	GPIO0A7_MASK		= 3 << GPIO0A7_SHIFT,
+	GPIO0A7_GPIO		= 0,
+	GPIO0A7_I2C3_SDA,
+
+	GPIO0A6_SHIFT		= 12,
+	GPIO0A6_MASK		= 3 << GPIO0A6_SHIFT,
+	GPIO0A6_GPIO		= 0,
+	GPIO0A6_I2C3_SCL,
+
+	GPIO0A3_SHIFT		= 6,
+	GPIO0A3_MASK		= 3 << GPIO0A3_SHIFT,
+	GPIO0A3_GPIO		= 0,
+	GPIO0A3_I2C1_SDA,
+
+	GPIO0A2_SHIFT		= 4,
+	GPIO0A2_MASK		= 1 << GPIO0A2_SHIFT,
+	GPIO0A2_GPIO		= 0,
+	GPIO0A2_I2C1_SCL,
+
+	GPIO0A1_SHIFT		= 2,
+	GPIO0A1_MASK		= 1 << GPIO0A1_SHIFT,
+	GPIO0A1_GPIO		= 0,
+	GPIO0A1_I2C0_SDA,
+
+	GPIO0A0_SHIFT		= 0,
+	GPIO0A0_MASK		= 1 << GPIO0A0_SHIFT,
+	GPIO0A0_GPIO		= 0,
+	GPIO0A0_I2C0_SCL,
+};
+
+/* GRF_GPIO0B_IOMUX */
+enum {
+	GPIO0B6_SHIFT		= 12,
+	GPIO0B6_MASK		= 3 << GPIO0B6_SHIFT,
+	GPIO0B6_GPIO		= 0,
+	GPIO0B6_I2S_SDI,
+	GPIO0B6_SPI_CSN0,
+
+	GPIO0B5_SHIFT		= 10,
+	GPIO0B5_MASK		= 3 << GPIO0B5_SHIFT,
+	GPIO0B5_GPIO		= 0,
+	GPIO0B5_I2S_SDO,
+	GPIO0B5_SPI_RXD,
+
+	GPIO0B4_SHIFT		= 8,
+	GPIO0B4_MASK		= 1 << GPIO0B4_SHIFT,
+	GPIO0B4_GPIO		= 0,
+	GPIO0B4_I2S_LRCKTX,
+
+	GPIO0B3_SHIFT		= 6,
+	GPIO0B3_MASK		= 3 << GPIO0B3_SHIFT,
+	GPIO0B3_GPIO		= 0,
+	GPIO0B3_I2S_LRCKRX,
+	GPIO0B3_SPI_TXD,
+
+	GPIO0B1_SHIFT		= 2,
+	GPIO0B1_MASK		= 3,
+	GPIO0B1_GPIO		= 0,
+	GPIO0B1_I2S_SCLK,
+	GPIO0B1_SPI_CLK,
+
+	GPIO0B0_SHIFT		= 0,
+	GPIO0B0_MASK		= 3,
+	GPIO0B0_GPIO		= 0,
+	GPIO0B0_I2S1_MCLK,
+};
+
+/* GRF_GPIO0D_IOMUX */
+enum {
+	GPIO0D4_SHIFT		= 8,
+	GPIO0D4_MASK		= 1 << GPIO0D4_SHIFT,
+	GPIO0D4_GPIO		= 0,
+	GPIO0D4_PWM2,
+
+	GPIO0D3_SHIFT		= 6,
+	GPIO0D3_MASK		= 1 << GPIO0D3_SHIFT,
+	GPIO0D3_GPIO		= 0,
+	GPIO0D3_PWM1,
+
+	GPIO0D2_SHIFT		= 4,
+	GPIO0D2_MASK		= 1 << GPIO0D2_SHIFT,
+	GPIO0D2_GPIO		= 0,
+	GPIO0D2_PWM0,
+
+	GPIO0D1_SHIFT		= 2,
+	GPIO0D1_MASK		= 1 << GPIO0D1_SHIFT,
+	GPIO0D1_GPIO		= 0,
+	GPIO0D1_UART2_CTSN,
+
+	GPIO0D0_SHIFT		= 0,
+	GPIO0D0_MASK		= 3 << GPIO0D0_SHIFT,
+	GPIO0D0_GPIO		= 0,
+	GPIO0D0_UART2_RTSN,
+	GPIO0D0_PMIC_SLEEP,
+};
+
+/* GRF_GPIO1A_IOMUX */
+enum {
+	GPIO1A5_SHIFT		= 10,
+	GPIO1A5_MASK		= 3 << GPIO1A5_SHIFT,
+	GPIO1A5_GPIO		= 0,
+	GPIO1A5_I2S_SDI,
+	GPIO1A5_SDMMC_DATA3,
+
+	GPIO1A4_SHIFT		= 8,
+	GPIO1A4_MASK		= 3 << GPIO1A4_SHIFT,
+	GPIO1A4_GPIO		= 0,
+	GPIO1A4_I2S_SD0,
+	GPIO1A4_SDMMC_DATA2,
+
+	GPIO1A3_SHIFT		= 6,
+	GPIO1A3_MASK		= 1 << GPIO1A3_SHIFT,
+	GPIO1A3_GPIO		= 0,
+	GPIO1A3_I2S_LRCKTX,
+
+	GPIO1A2_SHIFT		= 4,
+	GPIO1A2_MASK		= 3 << GPIO1A2_SHIFT,
+	GPIO1A2_GPIO		= 0,
+	GPIO1A2_I2S_LRCKRX,
+	GPIO1A2_SDMMC_DATA1,
+
+	GPIO1A1_SHIFT		= 2,
+	GPIO1A1_MASK		= 3 << GPIO1A1_SHIFT,
+	GPIO1A1_GPIO		= 0,
+	GPIO1A1_I2S_SCLK,
+	GPIO1A1_SDMMC_DATA0,
+	GPIO1A1_PMIC_SLEEP,
+
+	GPIO1A0_SHIFT		= 0,
+	GPIO1A0_MASK		= 3,
+	GPIO1A0_GPIO		= 0,
+	GPIO1A0_I2S_MCLK,
+	GPIO1A0_SDMMC_CLKOUT,
+	GPIO1A0_XIN32K,
+
+};
+
+/* GRF_GPIO1B_IOMUX */
+enum {
+	GPIO1B7_SHIFT		= 14,
+	GPIO1B7_MASK		= 1 << GPIO1B7_SHIFT,
+	GPIO1B7_GPIO		= 0,
+	GPIO1B7_MMC0_CMD,
+
+	GPIO1B6_SHIFT		= 12,
+	GPIO1B6_MASK		= 1 << GPIO1B6_SHIFT,
+	GPIO1B6_GPIO		= 0,
+	GPIO1B6_MMC_PWREN,
+
+	GPIO1B2_SHIFT		= 4,
+	GPIO1B2_MASK		= 3 << GPIO1B2_SHIFT,
+	GPIO1B2_GPIO		= 0,
+	GPIO1B2_SPI_RXD,
+	GPIO1B2_UART1_SIN,
+
+	GPIO1B1_SHIFT		= 2,
+	GPIO1B1_MASK		= 3 << GPIO1B1_SHIFT,
+	GPIO1B1_GPIO		= 0,
+	GPIO1B1_SPI_TXD,
+	GPIO1B1_UART1_SOUT,
+
+	GPIO1B0_SHIFT		= 0,
+	GPIO1B0_MASK		= 3 << GPIO1B0_SHIFT,
+	GPIO1B0_GPIO		= 0,
+	GPIO1B0_SPI_CLK,
+	GPIO1B0_UART1_CTSN
+};
+
+/* GRF_GPIO1C_IOMUX */
+enum {
+	GPIO1C6_SHIFT		= 12,
+	GPIO1C6_MASK		= 3 << GPIO1C6_SHIFT,
+	GPIO1C6_GPIO		= 0,
+	GPIO1C6_NAND_CS2,
+	GPIO1C6_EMMC_CMD,
+
+	GPIO1C5_SHIFT		= 10,
+	GPIO1C5_MASK		= 3 << GPIO1C5_SHIFT,
+	GPIO1C5_GPIO		= 0,
+	GPIO1C5_MMC0_D3,
+	GPIO1C5_JTAG_TMS,
+
+	GPIO1C4_SHIFT		= 8,
+	GPIO1C4_MASK		= 3 << GPIO1C4_SHIFT,
+	GPIO1C4_GPIO		= 0,
+	GPIO1C4_MMC0_D2,
+	GPIO1C4_JTAG_TCK,
+
+	GPIO1C3_SHIFT		= 6,
+	GPIO1C3_MASK		= 3 << GPIO1C3_SHIFT,
+	GPIO1C3_GPIO		= 0,
+	GPIO1C3_MMC0_D1,
+	GPIO1C3_UART2_RX,
+
+	GPIO1C2_SHIFT		= 4,
+	GPIO1C2_MASK		= 3 << GPIO1C2_SHIFT,
+	GPIO1C2_GPIO		= 0,
+	GPIO1C2_MMC0_D0,
+	GPIO1C2_UART2_TX,
+
+	GPIO1C1_SHIFT		= 2,
+	GPIO1C1_MASK		= 1 << GPIO1C1_SHIFT,
+	GPIO1C1_GPIO		= 0,
+	GPIO1C1_MMC0_DETN,
+
+	GPIO1C0_SHIFT		= 0,
+	GPIO1C0_MASK		= 1 << GPIO1C0_SHIFT,
+	GPIO1C0_GPIO		= 0,
+	GPIO1C0_MMC0_CLKOUT,
+};
+
+/* GRF_GPIO1D_IOMUX */
+enum {
+	GPIO1D7_SHIFT		= 14,
+	GPIO1D7_MASK		= 3 << GPIO1D7_SHIFT,
+	GPIO1D7_GPIO		= 0,
+	GPIO1D7_NAND_D7,
+	GPIO1D7_EMMC_D7,
+	GPIO1D7_SPI_CSN1,
+
+	GPIO1D6_SHIFT		= 12,
+	GPIO1D6_MASK		= 3 << GPIO1D6_SHIFT,
+	GPIO1D6_GPIO		= 0,
+	GPIO1D6_NAND_D6,
+	GPIO1D6_EMMC_D6,
+	GPIO1D6_SPI_CSN0,
+
+	GPIO1D5_SHIFT		= 10,
+	GPIO1D5_MASK		= 3 << GPIO1D5_SHIFT,
+	GPIO1D5_GPIO		= 0,
+	GPIO1D5_NAND_D5,
+	GPIO1D5_EMMC_D5,
+	GPIO1D5_SPI_TXD1,
+
+	GPIO1D4_SHIFT		= 8,
+	GPIO1D4_MASK		= 3 << GPIO1D4_SHIFT,
+	GPIO1D4_GPIO		= 0,
+	GPIO1D4_NAND_D4,
+	GPIO1D4_EMMC_D4,
+	GPIO1D4_SPI_RXD1,
+
+	GPIO1D3_SHIFT		= 6,
+	GPIO1D3_MASK		= 3 << GPIO1D3_SHIFT,
+	GPIO1D3_GPIO		= 0,
+	GPIO1D3_NAND_D3,
+	GPIO1D3_EMMC_D3,
+	GPIO1D3_SFC_SIO3,
+
+	GPIO1D2_SHIFT		= 4,
+	GPIO1D2_MASK		= 3 << GPIO1D2_SHIFT,
+	GPIO1D2_GPIO		= 0,
+	GPIO1D2_NAND_D2,
+	GPIO1D2_EMMC_D2,
+	GPIO1D2_SFC_SIO2,
+
+	GPIO1D1_SHIFT		= 2,
+	GPIO1D1_MASK		= 3 << GPIO1D1_SHIFT,
+	GPIO1D1_GPIO		= 0,
+	GPIO1D1_NAND_D1,
+	GPIO1D1_EMMC_D1,
+	GPIO1D1_SFC_SIO1,
+
+	GPIO1D0_SHIFT		= 0,
+	GPIO1D0_MASK		= 3 << GPIO1D0_SHIFT,
+	GPIO1D0_GPIO		= 0,
+	GPIO1D0_NAND_D0,
+	GPIO1D0_EMMC_D0,
+	GPIO1D0_SFC_SIO0,
+};
+
+/* GRF_GPIO2A_IOMUX */
+enum {
+	GPIO2A7_SHIFT		= 14,
+	GPIO2A7_MASK		= 3 << GPIO2A7_SHIFT,
+	GPIO2A7_GPIO		= 0,
+	GPIO2A7_NAND_DQS,
+	GPIO2A7_EMMC_CLKOUT,
+
+	GPIO2A6_SHIFT		= 12,
+	GPIO2A6_MASK		= 1 << GPIO2A6_SHIFT,
+	GPIO2A6_GPIO		= 0,
+	GPIO2A6_NAND_CS0,
+
+	GPIO2A5_SHIFT		= 10,
+	GPIO2A5_MASK		= 3 << GPIO2A5_SHIFT,
+	GPIO2A5_GPIO		= 0,
+	GPIO2A5_NAND_WP,
+	GPIO2A5_EMMC_PWREN,
+
+	GPIO2A4_SHIFT		= 8,
+	GPIO2A4_MASK		= 3 << GPIO2A4_SHIFT,
+	GPIO2A4_GPIO		= 0,
+	GPIO2A4_NAND_RDY,
+	GPIO2A4_EMMC_CMD,
+	GPIO2A3_SFC_CLK,
+
+	GPIO2A3_SHIFT		= 6,
+	GPIO2A3_MASK		= 3 << GPIO2A3_SHIFT,
+	GPIO2A3_GPIO		= 0,
+	GPIO2A3_NAND_RDN,
+	GPIO2A4_SFC_CSN1,
+
+	GPIO2A2_SHIFT		= 4,
+	GPIO2A2_MASK		= 3 << GPIO2A2_SHIFT,
+	GPIO2A2_GPIO		= 0,
+	GPIO2A2_NAND_WRN,
+	GPIO2A4_SFC_CSN0,
+
+	GPIO2A1_SHIFT		= 2,
+	GPIO2A1_MASK		= 3 << GPIO2A1_SHIFT,
+	GPIO2A1_GPIO		= 0,
+	GPIO2A1_NAND_CLE,
+	GPIO2A1_EMMC_CLKOUT,
+
+	GPIO2A0_SHIFT		= 0,
+	GPIO2A0_MASK		= 3 << GPIO2A0_SHIFT,
+	GPIO2A0_GPIO		= 0,
+	GPIO2A0_NAND_ALE,
+	GPIO2A0_SPI_CLK,
+};
+
+/* GRF_GPIO2B_IOMUX */
+enum {
+	GPIO2B7_SHIFT		= 14,
+	GPIO2B7_MASK		= 3 << GPIO2B7_SHIFT,
+	GPIO2B7_GPIO		= 0,
+	GPIO2B7_LCDC0_D13,
+	GPIO2B7_EBC_SDCE5,
+	GPIO2B7_GMAC_RXER,
+
+	GPIO2B6_SHIFT		= 12,
+	GPIO2B6_MASK		= 3 << GPIO2B6_SHIFT,
+	GPIO2B6_GPIO		= 0,
+	GPIO2B6_LCDC0_D12,
+	GPIO2B6_EBC_SDCE4,
+	GPIO2B6_GMAC_CLK,
+
+	GPIO2B5_SHIFT		= 10,
+	GPIO2B5_MASK		= 3 << GPIO2B5_SHIFT,
+	GPIO2B5_GPIO		= 0,
+	GPIO2B5_LCDC0_D11,
+	GPIO2B5_EBC_SDCE3,
+	GPIO2B5_GMAC_TXEN,
+
+	GPIO2B4_SHIFT		= 8,
+	GPIO2B4_MASK		= 3 << GPIO2B4_SHIFT,
+	GPIO2B4_GPIO		= 0,
+	GPIO2B4_LCDC0_D10,
+	GPIO2B4_EBC_SDCE2,
+	GPIO2B4_GMAC_MDIO,
+
+	GPIO2B3_SHIFT		= 6,
+	GPIO2B3_MASK		= 3 << GPIO2B3_SHIFT,
+	GPIO2B3_GPIO		= 0,
+	GPIO2B3_LCDC0_DEN,
+	GPIO2B3_EBC_GDCLK,
+	GPIO2B3_GMAC_RXCLK,
+
+	GPIO2B2_SHIFT		= 4,
+	GPIO2B2_MASK		= 3 << GPIO2B2_SHIFT,
+	GPIO2B2_GPIO		= 0,
+	GPIO2B2_LCDC0_VSYNC,
+	GPIO2B2_EBC_SDOE,
+	GPIO2B2_GMAC_CRS,
+
+	GPIO2B1_SHIFT		= 2,
+	GPIO2B1_MASK		= 3 << GPIO2B1_SHIFT,
+	GPIO2B1_GPIO		= 0,
+	GPIO2B1_LCDC0_HSYNC,
+	GPIO2B1_EBC_SDLE,
+	GPIO2B1_GMAC_TXCLK,
+
+	GPIO2B0_SHIFT		= 0,
+	GPIO2B0_MASK		= 3 << GPIO2B0_SHIFT,
+	GPIO2B0_GPIO		= 0,
+	GPIO2B0_LCDC0_DCLK,
+	GPIO2B0_EBC_SDCLK,
+	GPIO2B0_GMAC_RXDV,
+};
+
+/* GRF_GPIO2C_IOMUX */
+enum {
+	GPIO2C3_SHIFT		= 6,
+	GPIO2C3_MASK		= 3 << GPIO2C3_SHIFT,
+	GPIO2C3_GPIO		= 0,
+	GPIO2C3_LCDC0_D17,
+	GPIO2C3_EBC_GDPWR0,
+	GPIO2C3_GMAC_TXD0,
+
+	GPIO2C2_SHIFT		= 4,
+	GPIO2C2_MASK		= 3 << GPIO2C2_SHIFT,
+	GPIO2C2_GPIO		= 0,
+	GPIO2C2_LCDC0_D16,
+	GPIO2C2_EBC_GDSP,
+	GPIO2C2_GMAC_TXD1,
+
+	GPIO2C1_SHIFT		= 2,
+	GPIO2C1_MASK		= 3 << GPIO2C1_SHIFT,
+	GPIO2C1_GPIO		= 0,
+	GPIO2C1_LCDC0_D15,
+	GPIO2C1_EBC_GDOE,
+	GPIO2C1_GMAC_RXD0,
+
+	GPIO2C0_SHIFT		= 0,
+	GPIO2C0_MASK		= 3 << GPIO2C0_SHIFT,
+	GPIO2C0_GPIO		= 0,
+	GPIO2C0_LCDC0_D14,
+	GPIO2C0_EBC_VCOM,
+	GPIO2C0_GMAC_RXD1,
+};
+
+/* GRF_GPIO2D_IOMUX */
+enum {
+	GPIO2D6_SHIFT		= 12,
+	GPIO2D6_MASK		= 3 << GPIO2D6_SHIFT,
+	GPIO2D6_GPIO		= 0,
+	GPIO2D6_LCDC0_D22,
+	GPIO2D6_GMAC_COL	= 4,
+
+	GPIO2D1_SHIFT		= 2,
+	GPIO2D1_MASK		= 3 << GPIO2D1_SHIFT,
+	GPIO2D1_GPIO		= 0,
+	GPIO2D1_GMAC_MDC	= 3,
+};
+
+/* GRF_GPIO2C_IOMUX2 */
+enum {
+	GPIO2C7_SHIFT		= 12,
+	GPIO2C7_MASK		= 7 << GPIO2C7_SHIFT,
+	GPIO2C7_GPIO		= 0,
+	GPIO2C7_GMAC_TXD3	= 4,
+
+	GPIO2C6_SHIFT		= 12,
+	GPIO2C6_MASK		= 7 << GPIO2C6_SHIFT,
+	GPIO2C6_GPIO		= 0,
+	GPIO2C6_GMAC_TXD2	= 4,
+
+	GPIO2C5_SHIFT		= 4,
+	GPIO2C5_MASK		= 7 << GPIO2C5_SHIFT,
+	GPIO2C5_GPIO		= 0,
+	GPIO2C5_I2C2_SCL	= 3,
+	GPIO2C5_GMAC_RXD2,
+
+	GPIO2C4_SHIFT		= 0,
+	GPIO2C4_MASK		= 7 << GPIO2C4_SHIFT,
+	GPIO2C4_GPIO		= 0,
+	GPIO2C4_I2C2_SDA	= 3,
+	GPIO2C4_GMAC_RXD2,
+};
+#endif
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index afca56dff1..7e8e4b0b27 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -168,6 +168,16 @@ config PINCTRL_ROCKCHIP_RK3036
 	  the GPIO definitions and pin control functions for each available
 	  multiplex function.
 
+config PINCTRL_ROCKCHIP_RK3128
+	bool "Rockchip rk3128 pin control driver"
+	depends on DM
+	help
+	  Support pin multiplexing control on Rockchip rk3128 SoCs.
+
+	  The driver is controlled by a device tree node which contains both
+	  the GPIO definitions and pin control functions for each available
+	  multiplex function.
+
 config PINCTRL_ROCKCHIP_RK3188
 	bool "Rockchip rk3188 pin control driver"
 	depends on DM
diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile
index 5251771a10..f09c6e17b4 100644
--- a/drivers/pinctrl/rockchip/Makefile
+++ b/drivers/pinctrl/rockchip/Makefile
@@ -1,11 +1,11 @@
 #
-# Copyright (c) 2015 Google, Inc
-# Written by Simon Glass <sjg@chromium.org>
+# Copyright (c) 2017 Rockchip Electronics Co., Ltd
 #
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
 obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3036) += pinctrl_rk3036.o
+obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3128) += pinctrl_rk3128.o
 obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3188) += pinctrl_rk3188.o
 obj-$(CONFIG_PINCTRL_ROCKCHIP_RK322X) += pinctrl_rk322x.o
 obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3288) += pinctrl_rk3288.o
diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3128.c b/drivers/pinctrl/rockchip/pinctrl_rk3128.c
new file mode 100644
index 0000000000..b1c32ac592
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl_rk3128.c
@@ -0,0 +1,187 @@
+/*
+ * Pinctrl driver for Rockchip 3128 SoCs
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/grf_rk3128.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/periph.h>
+#include <dm/pinctrl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct rk3128_pinctrl_priv {
+	struct rk3128_grf *grf;
+};
+
+static void pinctrl_rk3128_i2c_config(struct rk3128_grf *grf, int i2c_id)
+{
+	switch (i2c_id) {
+	case PERIPH_ID_I2C0:
+		rk_clrsetreg(&grf->gpio0a_iomux,
+			     GPIO0A1_MASK | GPIO0A0_MASK,
+			     GPIO0A1_I2C0_SDA << GPIO0A1_SHIFT |
+			     GPIO0A0_I2C0_SCL << GPIO0A0_SHIFT);
+
+		break;
+	case PERIPH_ID_I2C1:
+		rk_clrsetreg(&grf->gpio0a_iomux,
+			     GPIO0A3_MASK | GPIO0A2_MASK,
+			     GPIO0A3_I2C1_SDA << GPIO0A3_SHIFT |
+			     GPIO0A2_I2C1_SCL << GPIO0A2_SHIFT);
+		break;
+	case PERIPH_ID_I2C2:
+		rk_clrsetreg(&grf->gpio2c_iomux2,
+			     GPIO2C5_MASK | GPIO2C4_MASK,
+			     GPIO2C5_I2C2_SCL << GPIO2C5_SHIFT |
+			     GPIO2C4_I2C2_SDA << GPIO2C4_SHIFT);
+		break;
+	case PERIPH_ID_I2C3:
+		rk_clrsetreg(&grf->gpio0a_iomux,
+			     GPIO0A7_MASK | GPIO0A6_MASK,
+			     GPIO0A7_I2C3_SDA << GPIO0A7_SHIFT |
+			     GPIO0A6_I2C3_SCL << GPIO0A6_SHIFT);
+
+		break;
+	}
+}
+
+static void pinctrl_rk3128_sdmmc_config(struct rk3128_grf *grf, int mmc_id)
+{
+	switch (mmc_id) {
+	case PERIPH_ID_EMMC:
+		rk_clrsetreg(&grf->gpio1d_iomux, 0xffff,
+			     GPIO1D7_EMMC_D7 << GPIO1D7_SHIFT |
+			     GPIO1D6_EMMC_D6 << GPIO1D6_SHIFT |
+			     GPIO1D5_EMMC_D5 << GPIO1D5_SHIFT |
+			     GPIO1D4_EMMC_D4 << GPIO1D4_SHIFT |
+			     GPIO1D3_EMMC_D3 << GPIO1D3_SHIFT |
+			     GPIO1D2_EMMC_D2 << GPIO1D2_SHIFT |
+			     GPIO1D1_EMMC_D1 << GPIO1D1_SHIFT |
+			     GPIO1D0_EMMC_D0 << GPIO1D0_SHIFT);
+		rk_clrsetreg(&grf->gpio2a_iomux,
+			     GPIO2A5_MASK | GPIO2A7_MASK,
+			     GPIO2A5_EMMC_PWREN << GPIO2A5_SHIFT |
+			     GPIO2A7_EMMC_CLKOUT << GPIO2A7_SHIFT);
+		break;
+	case PERIPH_ID_SDCARD:
+		rk_clrsetreg(&grf->gpio1c_iomux, 0x0fff,
+			     GPIO1C5_MMC0_D3 << GPIO1C5_SHIFT |
+			     GPIO1C4_MMC0_D2 << GPIO1C4_SHIFT |
+			     GPIO1C3_MMC0_D1 << GPIO1C3_SHIFT |
+			     GPIO1C2_MMC0_D0 << GPIO1C2_SHIFT |
+			     GPIO1C1_MMC0_DETN << GPIO1C1_SHIFT |
+			     GPIO1C0_MMC0_CLKOUT << GPIO1C0_SHIFT);
+		break;
+	}
+}
+
+static int rk3128_pinctrl_request(struct udevice *dev, int func, int flags)
+{
+	struct rk3128_pinctrl_priv *priv = dev_get_priv(dev);
+
+	debug("%s: func=%x, flags=%x\n", __func__, func, flags);
+	switch (func) {
+	case PERIPH_ID_I2C0:
+	case PERIPH_ID_I2C1:
+	case PERIPH_ID_I2C2:
+	case PERIPH_ID_I2C3:
+		pinctrl_rk3128_i2c_config(priv->grf, func);
+		break;
+	case PERIPH_ID_SDMMC0:
+	case PERIPH_ID_SDMMC1:
+		pinctrl_rk3128_sdmmc_config(priv->grf, func);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int rk3128_pinctrl_get_periph_id(struct udevice *dev,
+					struct udevice *periph)
+{
+	u32 cell[3];
+	int ret;
+
+	ret = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(periph),
+				   "interrupts", cell, ARRAY_SIZE(cell));
+	if (ret < 0)
+		return -EINVAL;
+
+	switch (cell[1]) {
+	case 14:
+		return PERIPH_ID_SDCARD;
+	case 16:
+		return PERIPH_ID_EMMC;
+	case 20:
+		return PERIPH_ID_UART0;
+	case 21:
+		return PERIPH_ID_UART1;
+	case 22:
+		return PERIPH_ID_UART2;
+	case 23:
+		return PERIPH_ID_SPI0;
+	case 24:
+		return PERIPH_ID_I2C0;
+	case 25:
+		return PERIPH_ID_I2C1;
+	case 26:
+		return PERIPH_ID_I2C2;
+	case 27:
+		return PERIPH_ID_I2C3;
+	case 30:
+		return PERIPH_ID_PWM0;
+	}
+	return -ENOENT;
+}
+
+static int rk3128_pinctrl_set_state_simple(struct udevice *dev,
+					   struct udevice *periph)
+{
+	int func;
+
+	func = rk3128_pinctrl_get_periph_id(dev, periph);
+	if (func < 0)
+		return func;
+	return rk3128_pinctrl_request(dev, func, 0);
+}
+
+static struct pinctrl_ops rk3128_pinctrl_ops = {
+	.set_state_simple	= rk3128_pinctrl_set_state_simple,
+	.request	= rk3128_pinctrl_request,
+	.get_periph_id	= rk3128_pinctrl_get_periph_id,
+};
+
+static int rk3128_pinctrl_probe(struct udevice *dev)
+{
+	struct rk3128_pinctrl_priv *priv = dev_get_priv(dev);
+
+	priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+	debug("%s: grf=%p\n", __func__, priv->grf);
+	return 0;
+}
+
+static const struct udevice_id rk3128_pinctrl_ids[] = {
+	{ .compatible = "rockchip,rk3128-pinctrl" },
+	{ }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3128) = {
+	.name		= "pinctrl_rk3128",
+	.id		= UCLASS_PINCTRL,
+	.of_match	= rk3128_pinctrl_ids,
+	.priv_auto_alloc_size = sizeof(struct rk3128_pinctrl_priv),
+	.ops		= &rk3128_pinctrl_ops,
+	.bind		= dm_scan_fdt_dev,
+	.probe		= rk3128_pinctrl_probe,
+};