new file mode 100644
@@ -0,0 +1,443 @@
+/* (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef _ASM_ARCH_GRF_RK3368_H
+#define _ASM_ARCH_GRF_RK3368_H
+
+#include <common.h>
+
+#define GRF_BASE 0xff770000
+#define PMU_GRF_BASE 0xff738000
+
+struct rk3368_grf {
+ u32 gpio1a_iomux;
+ u32 gpio1b_iomux;
+ u32 gpio1c_iomux;
+ u32 gpio1d_iomux;
+ u32 gpio2a_iomux;
+ u32 gpio2b_iomux;
+ u32 gpio2c_iomux;
+ u32 gpio2d_iomux;
+ u32 gpio3a_iomux;
+ u32 gpio3b_iomux;
+ u32 gpio3c_iomux;
+ u32 gpio3d_iomux;
+ u32 reserved[0x34];
+ u32 gpio1a_pull;
+ u32 gpio1b_pull;
+ u32 gpio1c_pull;
+ u32 gpio1d_pull;
+ u32 gpio2a_pull;
+ u32 gpio2b_pull;
+ u32 gpio2c_pull;
+ u32 gpio2d_pull;
+ u32 gpio3a_pull;
+ u32 gpio3b_pull;
+ u32 gpio3c_pull;
+ u32 gpio3d_pull;
+ u32 reserved1[0x34];
+ u32 gpio1a_drv;
+ u32 gpio1b_drv;
+ u32 gpio1c_drv;
+ u32 gpio1d_drv;
+ u32 gpio2a_drv;
+ u32 gpio2b_drv;
+ u32 gpio2c_drv;
+ u32 gpio2d_drv;
+ u32 gpio3a_drv;
+ u32 gpio3b_drv;
+ u32 gpio3c_drv;
+ u32 gpio3d_drv;
+ u32 reserved2[0x34];
+ u32 gpio1l_sr;
+ u32 gpio1h_sr;
+ u32 gpio2l_sr;
+ u32 gpio2h_sr;
+ u32 gpio3l_sr;
+ u32 gpio3h_sr;
+ u32 reserved3[0x1a];
+ u32 gpio_smt;
+ u32 reserved4[0x1f];
+ u32 soc_con0;
+ u32 soc_con1;
+ u32 soc_con2;
+ u32 soc_con3;
+ u32 soc_con4;
+ u32 soc_con5;
+ u32 soc_con6;
+ u32 soc_con7;
+ u32 soc_con8;
+ u32 soc_con9;
+ u32 soc_con10;
+ u32 soc_con11;
+ u32 soc_con12;
+ u32 soc_con13;
+ u32 soc_con14;
+ u32 soc_con15;
+ u32 soc_con16;
+ u32 soc_con17;
+};
+check_member(rk3368_grf, soc_con17, 0x444);
+
+struct rk3368_pmu_grf {
+ u32 gpio0a_iomux;
+ u32 gpio0b_iomux;
+ u32 gpio0c_iomux;
+ u32 gpio0d_iomux;
+ u32 gpio0a_pull;
+ u32 gpio0b_pull;
+ u32 gpio0c_pull;
+ u32 gpio0d_pull;
+ u32 gpio0a_drv;
+ u32 gpio0b_drv;
+ u32 gpio0c_drv;
+ u32 gpio0d_drv;
+ u32 gpio0l_sr;
+ u32 gpio0h_sr;
+};
+check_member(rk3368_pmu_grf, gpio0h_sr, 0x34);
+
+/*GRF_GPIO0C_IOMUX*/
+enum {
+ GPIO0C7_SHIFT = 14,
+ GPIO0C7_MASK = 3 << GPIO0C7_SHIFT,
+ GPIO0C7_GPIO = 0,
+ GPIO0C7_LCDC_D19,
+ GPIO0C7_TRACE_D9,
+ GPIO0C7_UART1_RTSN,
+
+ GPIO0C6_SHIFT = 12,
+ GPIO0C6_MASK = 3 << GPIO0C6_SHIFT,
+ GPIO0C6_GPIO = 0,
+ GPIO0C6_LCDC_D18,
+ GPIO0C6_TRACE_D8,
+ GPIO0C6_UART1_CTSN,
+
+ GPIO0C5_SHIFT = 10,
+ GPIO0C5_MASK = 3 << GPIO0C5_SHIFT,
+ GPIO0C5_GPIO = 0,
+ GPIO0C5_LCDC_D17,
+ GPIO0C5_TRACE_D7,
+ GPIO0C5_UART1_SOUT,
+
+ GPIO0C4_SHIFT = 8,
+ GPIO0C4_MASK = 3 << GPIO0C4_SHIFT,
+ GPIO0C4_GPIO = 0,
+ GPIO0C4_LCDC_D16,
+ GPIO0C4_TRACE_D6,
+ GPIO0C4_UART1_SIN,
+
+ GPIO0C3_SHIFT = 6,
+ GPIO0C3_MASK = 3 << GPIO0C3_SHIFT,
+ GPIO0C3_GPIO = 0,
+ GPIO0C3_LCDC_D15,
+ GPIO0C3_TRACE_D5,
+ GPIO0C3_MCU_JTAG_TDO,
+
+ GPIO0C2_SHIFT = 4,
+ GPIO0C2_MASK = 3 << GPIO0C2_SHIFT,
+ GPIO0C2_GPIO = 0,
+ GPIO0C2_LCDC_D14,
+ GPIO0C2_TRACE_D4,
+ GPIO0C2_MCU_JTAG_TDI,
+
+ GPIO0C1_SHIFT = 2,
+ GPIO0C1_MASK = 3 << GPIO0C1_SHIFT,
+ GPIO0C1_GPIO = 0,
+ GPIO0C1_LCDC_D13,
+ GPIO0C1_TRACE_D3,
+ GPIO0C1_MCU_JTAG_TRTSN,
+
+ GPIO0C0_SHIFT = 0,
+ GPIO0C0_MASK = 3 << GPIO0C0_SHIFT,
+ GPIO0C0_GPIO = 0,
+ GPIO0C0_LCDC_D12,
+ GPIO0C0_TRACE_D2,
+ GPIO0C0_MCU_JTAG_TDO,
+};
+
+/*GRF_GPIO0D_IOMUX*/
+enum {
+ GPIO0D7_SHIFT = 14,
+ GPIO0D7_MASK = 3 << GPIO0D7_SHIFT,
+ GPIO0D7_GPIO = 0,
+ GPIO0D7_LCDC_DCLK,
+ GPIO0D7_TRACE_CTL,
+ GPIO0D7_PMU_DEBUG5,
+
+ GPIO0D6_SHIFT = 12,
+ GPIO0D6_MASK = 3 << GPIO0D6_SHIFT,
+ GPIO0D6_GPIO = 0,
+ GPIO0D6_LCDC_DEN,
+ GPIO0D6_TRACE_CLK,
+ GPIO0D6_PMU_DEBUG4,
+
+ GPIO0D5_SHIFT = 10,
+ GPIO0D5_MASK = 3 << GPIO0D5_SHIFT,
+ GPIO0D5_GPIO = 0,
+ GPIO0D5_LCDC_VSYNC,
+ GPIO0D5_TRACE_D15,
+ GPIO0D5_PMU_DEBUG3,
+
+ GPIO0D4_SHIFT = 8,
+ GPIO0D4_MASK = 3 << GPIO0D4_SHIFT,
+ GPIO0D4_GPIO = 0,
+ GPIO0D4_LCDC_HSYNC,
+ GPIO0D4_TRACE_D14,
+ GPIO0D4_PMU_DEBUG2,
+
+ GPIO0D3_SHIFT = 6,
+ GPIO0D3_MASK = 3 << GPIO0D3_SHIFT,
+ GPIO0D3_GPIO = 0,
+ GPIO0D3_LCDC_D23,
+ GPIO0D3_TRACE_D13,
+ GPIO0D3_UART4_SIN,
+
+ GPIO0D2_SHIFT = 4,
+ GPIO0D2_MASK = 3 << GPIO0D2_SHIFT,
+ GPIO0D2_GPIO = 0,
+ GPIO0D2_LCDC_D22,
+ GPIO0D2_TRACE_D12,
+ GPIO0D2_UART4_SOUT,
+
+ GPIO0D1_SHIFT = 2,
+ GPIO0D1_MASK = 3 << GPIO0D1_SHIFT,
+ GPIO0D1_GPIO = 0,
+ GPIO0D1_LCDC_D21,
+ GPIO0D1_TRACE_D11,
+ GPIO0D1_UART4_RTSN,
+
+ GPIO0D0_SHIFT = 0,
+ GPIO0D0_MASK = 3 << GPIO0D0_SHIFT,
+ GPIO0D0_GPIO = 0,
+ GPIO0D0_LCDC_D20,
+ GPIO0D0_TRACE_D10,
+ GPIO0D0_UART4_CTSN,
+};
+
+/*GRF_GPIO2A_IOMUX*/
+enum {
+ GPIO2A7_SHIFT = 14,
+ GPIO2A7_MASK = 3 << GPIO2A7_SHIFT,
+ GPIO2A7_GPIO = 0,
+ GPIO2A7_SDMMC0_D2,
+ GPIO2A7_JTAG_TCK,
+
+ GPIO2A6_SHIFT = 12,
+ GPIO2A6_MASK = 3 << GPIO2A6_SHIFT,
+ GPIO2A6_GPIO = 0,
+ GPIO2A6_SDMMC0_D1,
+ GPIO2A6_UART2_SIN,
+
+ GPIO2A5_SHIFT = 10,
+ GPIO2A5_MASK = 3 << GPIO2A5_SHIFT,
+ GPIO2A5_GPIO = 0,
+ GPIO2A5_SDMMC0_D0,
+ GPIO2A5_UART2_SOUT,
+
+ GPIO2A4_SHIFT = 8,
+ GPIO2A4_MASK = 3 << GPIO2A4_SHIFT,
+ GPIO2A4_GPIO = 0,
+ GPIO2A4_FLASH_DQS,
+ GPIO2A4_EMMC_CLKO,
+
+ GPIO2A3_SHIFT = 6,
+ GPIO2A3_MASK = 3 << GPIO2A3_SHIFT,
+ GPIO2A3_GPIO = 0,
+ GPIO2A3_FLASH_CSN3,
+ GPIO2A3_EMMC_RSTNO,
+
+ GPIO2A2_SHIFT = 4,
+ GPIO2A2_MASK = 3 << GPIO2A2_SHIFT,
+ GPIO2A2_GPIO = 0,
+ GPIO2A2_FLASH_CSN2,
+
+ GPIO2A1_SHIFT = 2,
+ GPIO2A1_MASK = 3 << GPIO2A1_SHIFT,
+ GPIO2A1_GPIO = 0,
+ GPIO2A1_FLASH_CSN1,
+
+ GPIO2A0_SHIFT = 0,
+ GPIO2A0_MASK = 3 << GPIO2A0_SHIFT,
+ GPIO2A0_GPIO = 0,
+ GPIO2A0_FLASH_CSN0,
+};
+
+/*GRF_GPIO2D_IOMUX*/
+enum {
+ GPIO2D7_SHIFT = 14,
+ GPIO2D7_MASK = 3 << GPIO2D7_SHIFT,
+ GPIO2D7_GPIO = 0,
+ GPIO2D7_SDIO0_D3,
+
+ GPIO2D6_SHIFT = 12,
+ GPIO2D6_MASK = 3 << GPIO2D6_SHIFT,
+ GPIO2D6_GPIO = 0,
+ GPIO2D6_SDIO0_D2,
+
+ GPIO2D5_SHIFT = 10,
+ GPIO2D5_MASK = 3 << GPIO2D5_SHIFT,
+ GPIO2D5_GPIO = 0,
+ GPIO2D5_SDIO0_D1,
+
+ GPIO2D4_SHIFT = 8,
+ GPIO2D4_MASK = 3 << GPIO2D4_SHIFT,
+ GPIO2D4_GPIO = 0,
+ GPIO2D4_SDIO0_D0,
+
+ GPIO2D3_SHIFT = 6,
+ GPIO2D3_MASK = 3 << GPIO2D3_SHIFT,
+ GPIO2D3_GPIO = 0,
+ GPIO2D3_UART0_RTS0,
+
+ GPIO2D2_SHIFT = 4,
+ GPIO2D2_MASK = 3 << GPIO2D2_SHIFT,
+ GPIO2D2_GPIO = 0,
+ GPIO2D2_UART0_CTS0,
+
+ GPIO2D1_SHIFT = 2,
+ GPIO2D1_MASK = 3 << GPIO2D1_SHIFT,
+ GPIO2D1_GPIO = 0,
+ GPIO2D1_UART0_SOUT,
+
+ GPIO2D0_SHIFT = 0,
+ GPIO2D0_MASK = 3 << GPIO2D0_SHIFT,
+ GPIO2D0_GPIO = 0,
+ GPIO2D0_UART0_SIN,
+};
+
+/*GRF_GPIO3C_IOMUX*/
+enum {
+ GPIO3C7_SHIFT = 14,
+ GPIO3C7_MASK = 3 << GPIO3C7_SHIFT,
+ GPIO3C7_GPIO = 0,
+ GPIO3C7_EDPHDMI_CECINOUT,
+ GPIO3C7_ISP_FLASHTRIGIN,
+
+ GPIO3C6_SHIFT = 12,
+ GPIO3C6_MASK = 3 << GPIO3C6_SHIFT,
+ GPIO3C6_GPIO = 0,
+ GPIO3C6_MAC_CLK,
+ GPIO3C6_ISP_SHUTTERTRIG,
+
+ GPIO3C5_SHIFT = 10,
+ GPIO3C5_MASK = 3 << GPIO3C5_SHIFT,
+ GPIO3C5_GPIO = 0,
+ GPIO3C5_MAC_RXER,
+ GPIO3C5_ISP_PRELIGHTTRIG,
+
+ GPIO3C4_SHIFT = 8,
+ GPIO3C4_MASK = 3 << GPIO3C4_SHIFT,
+ GPIO3C4_GPIO = 0,
+ GPIO3C4_MAC_RXDV,
+ GPIO3C4_ISP_FLASHTRIGOUT,
+
+ GPIO3C3_SHIFT = 6,
+ GPIO3C3_MASK = 3 << GPIO3C3_SHIFT,
+ GPIO3C3_GPIO = 0,
+ GPIO3C3_MAC_RXDV,
+ GPIO3C3_EMMC_RSTNO,
+
+ GPIO3C2_SHIFT = 4,
+ GPIO3C2_MASK = 3 << GPIO3C2_SHIFT,
+ GPIO3C2_MAC_MDC = 0,
+ GPIO3C2_ISP_SHUTTEREN,
+
+ GPIO3C1_SHIFT = 2,
+ GPIO3C1_MASK = 3 << GPIO3C1_SHIFT,
+ GPIO3C1_GPIO = 0,
+ GPIO3C1_MAC_RXD2,
+ GPIO3C1_UART3_RTSN,
+
+ GPIO3C0_SHIFT = 0,
+ GPIO3C0_MASK = 3 << GPIO3C0_SHIFT,
+ GPIO3C0_GPIO = 0,
+ GPIO3C0_MAC_RXD1,
+ GPIO3C0_UART3_CTSN,
+ GPIO3C0_GPS_RFCLK,
+};
+
+/*GRF_GPIO3D_IOMUX*/
+enum {
+ GPIO3D7_SHIFT = 14,
+ GPIO3D7_MASK = 3 << GPIO3D7_SHIFT,
+ GPIO3D7_GPIO = 0,
+ GPIO3D7_SC_VCC18V,
+ GPIO3D7_I2C2_SDA,
+ GPIO3D7_GPUJTAG_TCK,
+
+ GPIO3D6_SHIFT = 12,
+ GPIO3D6_MASK = 3 << GPIO3D6_SHIFT,
+ GPIO3D6_GPIO = 0,
+ GPIO3D6_IR_TX,
+ GPIO3D6_UART3_SOUT,
+ GPIO3D6_PWM3,
+
+ GPIO3D5_SHIFT = 10,
+ GPIO3D5_MASK = 3 << GPIO3D5_SHIFT,
+ GPIO3D5_GPIO = 0,
+ GPIO3D5_IR_RX,
+ GPIO3D5_UART3_SIN,
+
+ GPIO3D4_SHIFT = 8,
+ GPIO3D4_MASK = 3 << GPIO3D4_SHIFT,
+ GPIO3D4_GPIO = 0,
+ GPIO3D4_MAC_TXCLKOUT,
+ GPIO3D4_SPI1_CSN1,
+
+ GPIO3D3_SHIFT = 6,
+ GPIO3D3_MASK = 3 << GPIO3D3_SHIFT,
+ GPIO3D3_GPIO = 0,
+ GPIO3D3_HDMII2C_SCL,
+ GPIO3D3_I2C5_SCL,
+
+ GPIO3D2_SHIFT = 4,
+ GPIO3D2_MASK = 3 << GPIO3D2_SHIFT,
+ GPIO3D2_GPIO = 0,
+ GPIO3D2_HDMII2C_SDA,
+ GPIO3D2_I2C5_SDA,
+
+ GPIO3D1_SHIFT = 2,
+ GPIO3D1_MASK = 3 << GPIO3D1_SHIFT,
+ GPIO3D1_GPIO = 0,
+ GPIO3D1_MAC_RXCLKIN,
+ GPIO3D1_I2C4_SCL,
+
+ GPIO3D0_SHIFT = 0,
+ GPIO3D0_MASK = 3 << GPIO3D0_SHIFT,
+ GPIO3D0_GPIO = 0,
+ GPIO3D0_MAC_MDIO,
+ GPIO3D0_I2C4_SDA,
+};
+
+/*GRF_SOC_CON11/12/13*/
+enum {
+ MCU_SRAM_BASE_BIT27_BIT12_SHIFT = 0,
+ MCU_SRAM_BASE_BIT27_BIT12_MASK = GENMASK(15, 0),
+};
+
+/*GRF_SOC_CON12*/
+enum {
+ MCU_EXSRAM_BASE_BIT27_BIT12_SHIFT = 0,
+ MCU_EXSRAM_BASE_BIT27_BIT12_MASK = GENMASK(15, 0),
+};
+
+/*GRF_SOC_CON13*/
+enum {
+ MCU_EXPERI_BASE_BIT27_BIT12_SHIFT = 0,
+ MCU_EXPERI_BASE_BIT27_BIT12_MASK = GENMASK(15, 0),
+};
+
+/*GRF_SOC_CON14*/
+enum {
+ MCU_EXPERI_BASE_BIT31_BIT28_SHIFT = 12,
+ MCU_EXPERI_BASE_BIT31_BIT28_MASK = GENMASK(15, 12),
+ MCU_EXSRAM_BASE_BIT31_BIT28_SHIFT = 8,
+ MCU_EXSRAM_BASE_BIT31_BIT28_MASK = GENMASK(11, 8),
+ MCU_SRAM_BASE_BIT31_BIT28_SHIFT = 4,
+ MCU_SRAM_BASE_BIT31_BIT28_MASK = GENMASK(7, 4),
+ MCU_CODE_BASE_BIT31_BIT28_SHIFT = 0,
+ MCU_CODE_BASE_BIT31_BIT28_MASK = GENMASK(3, 0),
+};
+#endif
@@ -180,6 +180,15 @@ config ROCKCHIP_RK3328_PINCTRL
definitions and pin control functions for each available multiplex
function.
+config ROCKCHIP_RK3368_PINCTRL
+ bool "Rockchip RK3368 control driver"
+ depends on DM
+ help
+ Support pin multiplexing control on Rockchip rk3368 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 ROCKCHIP_RK3399_PINCTRL
bool "Rockchip rk3399 pin control driver"
depends on DM
@@ -9,4 +9,5 @@ obj-$(CONFIG_ROCKCHIP_RK3036_PINCTRL) += pinctrl_rk3036.o
obj-$(CONFIG_ROCKCHIP_RK3188_PINCTRL) += pinctrl_rk3188.o
obj-$(CONFIG_ROCKCHIP_RK3288_PINCTRL) += pinctrl_rk3288.o
obj-$(CONFIG_ROCKCHIP_RK3328_PINCTRL) += pinctrl_rk3328.o
+obj-$(CONFIG_ROCKCHIP_RK3368_PINCTRL) += pinctrl_rk3368.o
obj-$(CONFIG_ROCKCHIP_RK3399_PINCTRL) += pinctrl_rk3399.o
new file mode 100644
@@ -0,0 +1,243 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ * Author: Andy Yan <andy.yan@rock-chips.com>
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/grf_rk3368.h>
+#include <asm/arch/periph.h>
+#include <asm/io.h>
+#include <dm/pinctrl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct rk3368_pinctrl_priv {
+ struct rk3368_grf *grf;
+ struct rk3368_pmu_grf *pmugrf;
+};
+
+static void pinctrl_rk3368_pwm_config(struct rk3368_grf *grf, int pwm_id)
+{
+ switch (pwm_id) {
+ case PERIPH_ID_PWM0:
+ break;
+ case PERIPH_ID_PWM1:
+ break;
+ case PERIPH_ID_PWM2:
+ break;
+ case PERIPH_ID_PWM3:
+ break;
+ default:
+ debug("pwm id = %d iomux error!\n", pwm_id);
+ break;
+ }
+}
+
+static void pinctrl_rk3368_i2c_config(struct rk3368_grf *grf, int i2c_id)
+{
+ switch (i2c_id) {
+ case PERIPH_ID_I2C0:
+ break;
+ case PERIPH_ID_I2C1:
+ break;
+ case PERIPH_ID_I2C2:
+ break;
+ case PERIPH_ID_I2C3:
+ break;
+ default:
+ debug("i2c id = %d iomux error!\n", i2c_id);
+ break;
+ }
+}
+
+static void pinctrl_rk3368_lcdc_config(struct rk3368_grf *grf, int lcd_id)
+{
+ switch (lcd_id) {
+ case PERIPH_ID_LCDC0:
+ break;
+ default:
+ debug("lcdc id = %d iomux error!\n", lcd_id);
+ break;
+ }
+}
+
+
+static void pinctrl_rk3368_uart_config(struct rk3368_pinctrl_priv *priv,
+ int uart_id)
+{
+ struct rk3368_grf *grf = priv->grf;
+ struct rk3368_pmu_grf *pmugrf = priv->pmugrf;
+
+ switch (uart_id) {
+ case PERIPH_ID_UART2:
+ rk_clrsetreg(&grf->gpio2a_iomux,
+ GPIO2A6_MASK | GPIO2A5_MASK,
+ GPIO2A6_UART2_SIN << GPIO2A6_SHIFT |
+ GPIO2A5_UART2_SOUT << GPIO2A5_SHIFT);
+ break;
+ case PERIPH_ID_UART0:
+ break;
+ case PERIPH_ID_UART1:
+ break;
+ case PERIPH_ID_UART3:
+ break;
+ case PERIPH_ID_UART4:
+ rk_clrsetreg(&pmugrf->gpio0d_iomux,
+ GPIO0D0_MASK | GPIO0D1_MASK |
+ GPIO0D2_MASK | GPIO0D3_MASK,
+ GPIO0D0_GPIO << GPIO0D0_SHIFT |
+ GPIO0D1_GPIO << GPIO0D1_SHIFT |
+ GPIO0D2_UART4_SOUT << GPIO0D2_SHIFT |
+ GPIO0D3_UART4_SIN << GPIO0D3_SHIFT);
+ break;
+ default:
+ debug("uart id = %d iomux error!\n", uart_id);
+ break;
+ }
+}
+
+static void pinctrl_rk3368_sdmmc_config(struct rk3368_grf *grf,
+ int mmc_id)
+{
+ switch (mmc_id) {
+ case PERIPH_ID_EMMC:
+ break;
+ case PERIPH_ID_SDCARD:
+ break;
+ default:
+ debug("mmc id = %d iomux error!\n", mmc_id);
+ break;
+ }
+}
+
+static int rk3368_pinctrl_request(struct udevice *dev, int func, int flags)
+{
+ struct rk3368_pinctrl_priv *priv = dev_get_priv(dev);
+
+ debug("%s: func=%x, flags=%x\n", __func__, func, flags);
+ switch (func) {
+ case PERIPH_ID_PWM0:
+ case PERIPH_ID_PWM1:
+ case PERIPH_ID_PWM2:
+ case PERIPH_ID_PWM3:
+ pinctrl_rk3368_pwm_config(priv->grf, func);
+ break;
+ case PERIPH_ID_I2C0:
+ case PERIPH_ID_I2C1:
+ case PERIPH_ID_I2C2:
+ case PERIPH_ID_I2C3:
+ pinctrl_rk3368_i2c_config(priv->grf, func);
+ break;
+ case PERIPH_ID_UART0:
+ case PERIPH_ID_UART1:
+ case PERIPH_ID_UART2:
+ case PERIPH_ID_UART3:
+ case PERIPH_ID_UART4:
+ pinctrl_rk3368_uart_config(priv, func);
+ break;
+ case PERIPH_ID_LCDC0:
+ case PERIPH_ID_LCDC1:
+ pinctrl_rk3368_lcdc_config(priv->grf, func);
+ break;
+ case PERIPH_ID_SDMMC0:
+ case PERIPH_ID_SDMMC1:
+ pinctrl_rk3368_sdmmc_config(priv->grf, func);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int rk3368_pinctrl_get_periph_id(struct udevice *dev,
+ struct udevice *periph)
+{
+ u32 cell[3];
+ int ret;
+
+ ret = fdtdec_get_int_array(gd->fdt_blob, periph->of_offset,
+ "interrupts", cell, ARRAY_SIZE(cell));
+ if (ret < 0)
+ return -EINVAL;
+
+ switch (cell[1]) {
+ case 59:
+ return PERIPH_ID_UART4;
+ case 58:
+ return PERIPH_ID_UART3;
+ case 57:
+ return PERIPH_ID_UART2;
+ case 56:
+ return PERIPH_ID_UART1;
+ case 55:
+ return PERIPH_ID_UART0;
+ case 50:
+ return PERIPH_ID_PWM0;
+ case 36:
+ return PERIPH_ID_I2C0;
+ case 37: /* Note strange order */
+ return PERIPH_ID_I2C1;
+ case 38:
+ return PERIPH_ID_I2C2;
+ case 39:
+ return PERIPH_ID_I2C3;
+ case 12:
+ return PERIPH_ID_SDCARD;
+ case 14:
+ return PERIPH_ID_EMMC;
+ }
+
+ return -ENOENT;
+}
+
+static int rk3368_pinctrl_set_state_simple(struct udevice *dev,
+ struct udevice *periph)
+{
+ int func;
+
+ func = rk3368_pinctrl_get_periph_id(dev, periph);
+ if (func < 0)
+ return func;
+
+ return rk3368_pinctrl_request(dev, func, 0);
+}
+
+static struct pinctrl_ops rk3368_pinctrl_ops = {
+ .set_state_simple = rk3368_pinctrl_set_state_simple,
+ .request = rk3368_pinctrl_request,
+ .get_periph_id = rk3368_pinctrl_get_periph_id,
+};
+
+static int rk3368_pinctrl_probe(struct udevice *dev)
+{
+ struct rk3368_pinctrl_priv *priv = dev_get_priv(dev);
+ int ret = 0;
+
+ priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+ priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+
+ debug("%s: grf=%p pmugrf:%p\n", __func__, priv->grf, priv->pmugrf);
+
+ return ret;
+}
+
+static const struct udevice_id rk3368_pinctrl_ids[] = {
+ { .compatible = "rockchip,rk3368-pinctrl" },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3368) = {
+ .name = "rockchip_rk3368_pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3368_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rk3368_pinctrl_priv),
+ .ops = &rk3368_pinctrl_ops,
+ .bind = dm_scan_fdt_dev,
+ .probe = rk3368_pinctrl_probe,
+};
Add driver to support iomux setup for the most commonly used peripherals on rk3368. Signed-off-by: Andy Yan <andy.yan@rock-chips.com> --- arch/arm/include/asm/arch-rockchip/grf_rk3368.h | 443 ++++++++++++++++++++++++ drivers/pinctrl/Kconfig | 9 + drivers/pinctrl/rockchip/Makefile | 1 + drivers/pinctrl/rockchip/pinctrl_rk3368.c | 243 +++++++++++++ 4 files changed, 696 insertions(+) create mode 100644 arch/arm/include/asm/arch-rockchip/grf_rk3368.h create mode 100644 drivers/pinctrl/rockchip/pinctrl_rk3368.c