Add init pinctrl driver support for: - i2c; - spi; - uart; - pwm; - emmc/sdmmc;
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
arch/arm/include/asm/arch-rockchip/grf_rk322x.h | 519 ++++++++++++++++++++++++ drivers/pinctrl/Kconfig | 10 + drivers/pinctrl/rockchip/Makefile | 1 + drivers/pinctrl/rockchip/pinctrl_rk322x.c | 295 ++++++++++++++ 4 files changed, 825 insertions(+) create mode 100644 arch/arm/include/asm/arch-rockchip/grf_rk322x.h create mode 100644 drivers/pinctrl/rockchip/pinctrl_rk322x.c
diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk322x.h b/arch/arm/include/asm/arch-rockchip/grf_rk322x.h new file mode 100644 index 0000000..26071c8 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/grf_rk322x.h @@ -0,0 +1,519 @@ +/* + * (C) Copyright 2017 Rockchip Electronics Co., Ltd. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _ASM_ARCH_GRF_RK322X_H +#define _ASM_ARCH_GRF_RK322X_H + +#include <common.h> + +struct rk322x_grf { + 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 reserved1[4]; + unsigned int con_iomux; + unsigned int reserved2[(0x100 - 0x50) / 4 - 1]; + unsigned int gpio0_p[4]; + unsigned int gpio1_p[4]; + unsigned int gpio2_p[4]; + unsigned int gpio3_p[4]; + unsigned int reserved3[(0x200 - 0x13c) / 4 - 1]; + unsigned int gpio0_e[4]; + unsigned int gpio1_e[4]; + unsigned int gpio2_e[4]; + unsigned int gpio3_e[4]; + unsigned int reserved4[(0x400 - 0x23c) / 4 - 1]; + unsigned int soc_con[7]; + unsigned int reserved5[(0x480 - 0x418) / 4 - 1]; + unsigned int soc_status[3]; + unsigned int chip_id; + unsigned int reserved6[(0x500 - 0x48c) / 4 - 1]; + unsigned int cpu_con[4]; + unsigned int reserved7[4]; + unsigned int cpu_status[2]; + unsigned int reserved8[(0x5c8 - 0x524) / 4 - 1]; + unsigned int os_reg[8]; + unsigned int reserved9[(0x604 - 0x5e4) / 4 - 1]; + unsigned int ddrc_stat; +}; +check_member(rk322x_grf, ddrc_stat, 0x604); + +struct rk322x_sgrf { + unsigned int soc_con[11]; + unsigned int busdmac_con[4]; +}; + +/* GRF_GPIO0A_IOMUX */ +enum { + GPIO0A7_SHIFT = 14, + GPIO0A7_MASK = 3 << GPIO0A7_SHIFT, + GPIO0A7_GPIO = 0, + GPIO0A7_I2C3_SDA, + GPIO0A7_HDMI_DDCSDA, + + GPIO0A6_SHIFT = 12, + GPIO0A6_MASK = 3 << GPIO0A6_SHIFT, + GPIO0A6_GPIO = 0, + GPIO0A6_I2C3_SCL, + GPIO0A6_HDMI_DDCSCL, + + GPIO0A3_SHIFT = 6, + GPIO0A3_MASK = 3 << GPIO0A3_SHIFT, + GPIO0A3_GPIO = 0, + GPIO0A3_I2C1_SDA, + GPIO0A3_SDIO_CMD, + + GPIO0A2_SHIFT = 4, + GPIO0A2_MASK = 3 << GPIO0A2_SHIFT, + GPIO0A2_GPIO = 0, + GPIO0A2_I2C1_SCL, + + GPIO0A1_SHIFT = 2, + GPIO0A1_MASK = 3 << GPIO0A1_SHIFT, + GPIO0A1_GPIO = 0, + GPIO0A1_I2C0_SDA, + + GPIO0A0_SHIFT = 0, + GPIO0A0_MASK = 3 << GPIO0A0_SHIFT, + GPIO0A0_GPIO = 0, + GPIO0A0_I2C0_SCL, +}; + +/* GRF_GPIO0B_IOMUX */ +enum { + GPIO0B7_SHIFT = 14, + GPIO0B7_MASK = 3 << GPIO0B7_SHIFT, + GPIO0B7_GPIO = 0, + GPIO0B7_HDMI_HDP, + + 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, + + GPIO0B3_SHIFT = 6, + GPIO0B3_MASK = 3 << GPIO0B3_SHIFT, + GPIO0B3_GPIO = 0, + GPIO0B3_I2S1_LRCKRX, + GPIO0B3_SPI_TXD, + + GPIO0B1_SHIFT = 2, + GPIO0B1_MASK = 3 << GPIO0B1_SHIFT, + GPIO0B1_GPIO = 0, + GPIO0B1_I2S_SCLK, + GPIO0B1_SPI_CLK, + + GPIO0B0_SHIFT = 0, + GPIO0B0_MASK = 3, + GPIO0B0_GPIO = 0, + GPIO0B0_I2S_MCLK, +}; + +/* GRF_GPIO0C_IOMUX */ +enum { + GPIO0C4_SHIFT = 8, + GPIO0C4_MASK = 3 << GPIO0C4_SHIFT, + GPIO0C4_GPIO = 0, + GPIO0C4_HDMI_CECSDA, + + GPIO0C1_SHIFT = 2, + GPIO0C1_MASK = 3 << GPIO0C1_SHIFT, + GPIO0C1_GPIO = 0, + GPIO0C1_UART0_RSTN, + GPIO0C1_CLK_OUT1, +}; + +/* GRF_GPIO0D_IOMUX */ +enum { + GPIO0D6_SHIFT = 12, + GPIO0D6_MASK = 3 << GPIO0D6_SHIFT, + GPIO0D6_GPIO = 0, + GPIO0D6_SDIO_PWREN, + GPIO0D6_PWM11, + + + GPIO0D4_SHIFT = 8, + GPIO0D4_MASK = 3 << GPIO0D4_SHIFT, + GPIO0D4_GPIO = 0, + GPIO0D4_PWM2, + + GPIO0D3_SHIFT = 6, + GPIO0D3_MASK = 3 << GPIO0D3_SHIFT, + GPIO0D3_GPIO = 0, + GPIO0D3_PWM1, + + GPIO0D2_SHIFT = 4, + GPIO0D2_MASK = 3 << GPIO0D2_SHIFT, + GPIO0D2_GPIO = 0, + GPIO0D2_PWM0, +}; + +/* GRF_GPIO1A_IOMUX */ +enum { + GPIO1A7_SHIFT = 14, + GPIO1A7_MASK = 1, + GPIO1A7_GPIO = 0, + GPIO1A7_SDMMC_WRPRT, +}; + +/* GRF_GPIO1B_IOMUX */ +enum { + GPIO1B7_SHIFT = 14, + GPIO1B7_MASK = 3 << GPIO1B7_SHIFT, + GPIO1B7_GPIO = 0, + GPIO1B7_SDMMC_CMD, + + GPIO1B6_SHIFT = 12, + GPIO1B6_MASK = 3 << GPIO1B6_SHIFT, + GPIO1B6_GPIO = 0, + GPIO1B6_SDMMC_PWREN, + + GPIO1B4_SHIFT = 8, + GPIO1B4_MASK = 3 << GPIO1B4_SHIFT, + GPIO1B4_GPIO = 0, + GPIO1B4_SPI_CSN1, + GPIO1B4_PWM12, + + GPIO1B3_SHIFT = 6, + GPIO1B3_MASK = 3 << GPIO1B3_SHIFT, + GPIO1B3_GPIO = 0, + GPIO1B3_UART1_RSTN, + GPIO1B3_PWM13, + + GPIO1B2_SHIFT = 4, + GPIO1B2_MASK = 3 << GPIO1B2_SHIFT, + GPIO1B2_GPIO = 0, + GPIO1B2_UART1_SIN, + GPIO1B2_UART21_SIN, + + GPIO1B1_SHIFT = 2, + GPIO1B1_MASK = 3 << GPIO1B1_SHIFT, + GPIO1B1_GPIO = 0, + GPIO1B1_UART1_SOUT, + GPIO1B1_UART21_SOUT, +}; + +/* GRF_GPIO1C_IOMUX */ +enum { + GPIO1C7_SHIFT = 14, + GPIO1C7_MASK = 3 << GPIO1C7_SHIFT, + GPIO1C7_GPIO = 0, + GPIO1C7_NAND_CS3, + GPIO1C7_EMMC_RSTNOUT, + + 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_SDMMC_D3, + GPIO1C5_JTAG_TMS, + + GPIO1C4_SHIFT = 8, + GPIO1C4_MASK = 3 << GPIO1C4_SHIFT, + GPIO1C4_GPIO = 0, + GPIO1C4_SDMMC_D2, + GPIO1C4_JTAG_TCK, + + GPIO1C3_SHIFT = 6, + GPIO1C3_MASK = 3 << GPIO1C3_SHIFT, + GPIO1C3_GPIO = 0, + GPIO1C3_SDMMC_D1, + GPIO1C3_UART2_SIN, + + GPIO1C2_SHIFT = 4, + GPIO1C2_MASK = 3 << GPIO1C2_SHIFT , + GPIO1C2_GPIO = 0, + GPIO1C2_SDMMC_D0, + GPIO1C2_UART2_SOUT, + + GPIO1C1_SHIFT = 2, + GPIO1C1_MASK = 3 << GPIO1C1_SHIFT, + GPIO1C1_GPIO = 0, + GPIO1C1_SDMMC_DETN, + + GPIO1C0_SHIFT = 0, + GPIO1C0_MASK = 3 << GPIO1C0_SHIFT, + GPIO1C0_GPIO = 0, + GPIO1C0_SDMMC_CLKOUT, +}; + +/* GRF_GPIO1D_IOMUX */ +enum { + GPIO1D7_SHIFT = 14, + GPIO1D7_MASK = 3 << GPIO1D7_SHIFT, + GPIO1D7_GPIO = 0, + GPIO1D7_NAND_D7, + GPIO1D7_EMMC_D7, + + GPIO1D6_SHIFT = 12, + GPIO1D6_MASK = 3 << GPIO1D6_SHIFT, + GPIO1D6_GPIO = 0, + GPIO1D6_NAND_D6, + GPIO1D6_EMMC_D6, + + GPIO1D5_SHIFT = 10, + GPIO1D5_MASK = 3 << GPIO1D5_SHIFT, + GPIO1D5_GPIO = 0, + GPIO1D5_NAND_D5, + GPIO1D5_EMMC_D5, + + GPIO1D4_SHIFT = 8, + GPIO1D4_MASK = 3 << GPIO1D4_SHIFT, + GPIO1D4_GPIO = 0, + GPIO1D4_NAND_D4, + GPIO1D4_EMMC_D4, + + GPIO1D3_SHIFT = 6, + GPIO1D3_MASK = 3 << GPIO1D3_SHIFT, + GPIO1D3_GPIO = 0, + GPIO1D3_NAND_D3, + GPIO1D3_EMMC_D3, + + GPIO1D2_SHIFT = 4, + GPIO1D2_MASK = 3 << GPIO1D2_SHIFT, + GPIO1D2_GPIO = 0, + GPIO1D2_NAND_D2, + GPIO1D2_EMMC_D2, + + GPIO1D1_SHIFT = 2, + GPIO1D1_MASK = 3 << GPIO1D1_SHIFT, + GPIO1D1_GPIO = 0, + GPIO1D1_NAND_D1, + GPIO1D1_EMMC_D1, + + GPIO1D0_SHIFT = 0, + GPIO1D0_MASK = 3 << GPIO1D0_SHIFT, + GPIO1D0_GPIO = 0, + GPIO1D0_NAND_D0, + GPIO1D0_EMMC_D0, +}; + +/* GRF_GPIO2A_IOMUX */ +enum { + GPIO2A7_SHIFT = 14, + GPIO2A7_MASK = 3 << GPIO2A7_SHIFT, + GPIO2A7_GPIO = 0, + GPIO2A7_NAND_DQS, + GPIO2A7_EMMC_CLKOUT, + + 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_SHIFT = 6, + GPIO2A3_MASK = 3 << GPIO2A3_SHIFT, + GPIO2A3_GPIO = 0, + GPIO2A3_NAND_RDN, + GPIO2A4_SPI1_CSN1, + + GPIO2A2_SHIFT = 4, + GPIO2A2_MASK = 3 << GPIO2A2_SHIFT, + GPIO2A2_GPIO = 0, + GPIO2A2_NAND_WRN, + GPIO2A4_SPI1_CSN0, + + GPIO2A1_SHIFT = 2, + GPIO2A1_MASK = 3 << GPIO2A1_SHIFT, + GPIO2A1_GPIO = 0, + GPIO2A1_NAND_CLE, + GPIO2A1_SPI1_TXD, + + GPIO2A0_SHIFT = 0, + GPIO2A0_MASK = 3 << GPIO2A0_SHIFT, + GPIO2A0_GPIO = 0, + GPIO2A0_NAND_ALE, + GPIO2A0_SPI1_RXD, +}; + +/* GRF_GPIO2B_IOMUX */ +enum { + GPIO2B7_SHIFT = 14, + GPIO2B7_MASK = 3 << GPIO2B7_SHIFT, + GPIO2B7_GPIO = 0, + GPIO2B7_GMAC_RXER, + + GPIO2B6_SHIFT = 12, + GPIO2B6_MASK = 3 << GPIO2B6_SHIFT, + GPIO2B6_GPIO = 0, + GPIO2B6_GMAC_CLK, + GPIO2B6_MAC_LINK, + + GPIO2B5_SHIFT = 10, + GPIO2B5_MASK = 3 << GPIO2B5_SHIFT, + GPIO2B5_GPIO = 0, + GPIO2B5_GMAC_TXEN, + + GPIO2B4_SHIFT = 8, + GPIO2B4_MASK = 3 << GPIO2B4_SHIFT, + GPIO2B4_GPIO = 0, + GPIO2B4_GMAC_MDIO, + + GPIO2B3_SHIFT = 6, + GPIO2B3_MASK = 3 << GPIO2B3_SHIFT, + GPIO2B3_GPIO = 0, + GPIO2B3_GMAC_RXCLK, + + GPIO2B2_SHIFT = 4, + GPIO2B2_MASK = 3 << GPIO2B2_SHIFT, + GPIO2B2_GPIO = 0, + GPIO2B2_GMAC_CRS, + + GPIO2B1_SHIFT = 2, + GPIO2B1_MASK = 3 << GPIO2B1_SHIFT, + GPIO2B1_GPIO = 0, + GPIO2B1_GMAC_TXCLK, + + + GPIO2B0_SHIFT = 0, + GPIO2B0_MASK = 3 << GPIO2B0_SHIFT, + GPIO2B0_GPIO = 0, + GPIO2B0_GMAC_RXDV, + GPIO2B0_MAC_SPEED_IOUT, +}; + +/* GRF_GPIO2C_IOMUX */ +enum { + GPIO2C7_SHIFT = 14, + GPIO2C7_MASK = 3 << GPIO2C7_SHIFT, + GPIO2C7_GPIO = 0, + GPIO2C7_GMAC_TXD3, + + GPIO2C6_SHIFT = 12, + GPIO2C6_MASK = 3 << GPIO2C6_SHIFT, + GPIO2C6_GPIO = 0, + GPIO2C6_GMAC_TXD2, + + GPIO2C5_SHIFT = 10, + GPIO2C5_MASK = 3 << GPIO2C5_SHIFT, + GPIO2C5_GPIO = 0, + GPIO2C5_I2C2_SCL, + GPIO2C5_GMAC_RXD2, + + GPIO2C4_SHIFT = 8, + GPIO2C4_MASK = 3 << GPIO2C4_SHIFT, + GPIO2C4_GPIO = 0, + GPIO2C4_I2C2_SDA, + GPIO2C4_GMAC_RXD3, + + GPIO2C3_SHIFT = 6, + GPIO2C3_MASK = 3 << GPIO2C3_SHIFT, + GPIO2C3_GPIO = 0, + GPIO2C3_GMAC_TXD0, + + GPIO2C2_SHIFT = 4, + GPIO2C2_MASK = 3 << GPIO2C2_SHIFT, + GPIO2C2_GPIO = 0, + GPIO2C2_GMAC_TXD1, + + GPIO2C1_SHIFT = 2, + GPIO2C1_MASK = 3 << GPIO2C1_SHIFT, + GPIO2C1_GPIO = 0, + GPIO2C1_GMAC_RXD0, + + GPIO2C0_SHIFT = 0, + GPIO2C0_MASK = 3 << GPIO2C0_SHIFT, + GPIO2C0_GPIO = 0, + GPIO2C0_GMAC_RXD1, +}; + +/* GRF_GPIO2D_IOMUX */ +enum { + GPIO2D1_SHIFT = 2, + GPIO2D1_MASK = 3 << GPIO2D1_SHIFT, + GPIO2D1_GPIO = 0, + GPIO2D1_GMAC_MDC, + + GPIO2D0_SHIFT = 0, + GPIO2D0_MASK = 3, + GPIO2D0_GPIO = 0, + GPIO2D0_GMAC_COL, +}; + +/* GRF_GPIO3C_IOMUX */ +enum { + GPIO3C6_SHIFT = 12, + GPIO3C6_MASK = 3 << GPIO3C6_SHIFT, + GPIO3C6_GPIO = 0, + GPIO3C6_DRV_VBUS1, + + GPIO3C5_SHIFT = 10, + GPIO3C5_MASK = 3 << GPIO3C5_SHIFT, + GPIO3C5_GPIO = 0, + GPIO3C5_PWM10, + + GPIO3C1_SHIFT = 2, + GPIO3C1_MASK = 3 << GPIO3C1_SHIFT, + GPIO3C1_GPIO = 0, + GPIO3C1_DRV_VBUS, +}; + +/* GRF_GPIO3D_IOMUX */ +enum { + GPIO3D2_SHIFT = 4, + GPIO3D2_MASK = 3 << GPIO3D2_SHIFT, + GPIO3D2_GPIO = 0, + GPIO3D2_PWM3, +}; + +/* GRF_CON_IOMUX */ +enum { + CON_IOMUX_GMAC_SHIFT = 15, + CON_IOMUX_GMAC_MASK = 1 << CON_IOMUX_GMAC_SHIFT, + CON_IOMUX_UART1SEL_SHIFT = 11, + CON_IOMUX_UART1SEL_MASK = 1 << CON_IOMUX_UART1SEL_SHIFT, + CON_IOMUX_UART2SEL_SHIFT = 8, + CON_IOMUX_UART2SEL_MASK = 1 << CON_IOMUX_UART2SEL_SHIFT, + CON_IOMUX_UART2SEL_2 = 0, + CON_IOMUX_UART2SEL_21, + CON_IOMUX_EMMCSEL_SHIFT = 7, + CON_IOMUX_EMMCSEL_MASK = 1 << CON_IOMUX_EMMCSEL_SHIFT, + CON_IOMUX_PWM3SEL_SHIFT = 3, + CON_IOMUX_PWM3SEL_MASK = 1 << CON_IOMUX_PWM3SEL_SHIFT, + CON_IOMUX_PWM2SEL_SHIFT = 2, + CON_IOMUX_PWM2SEL_MASK = 1 << CON_IOMUX_PWM2SEL_SHIFT, + CON_IOMUX_PWM1SEL_SHIFT = 1, + CON_IOMUX_PWM1SEL_MASK = 1 << CON_IOMUX_PWM1SEL_SHIFT, + CON_IOMUX_PWM0SEL_SHIFT = 0, + CON_IOMUX_PWM0SEL_MASK = 1 << CON_IOMUX_PWM0SEL_SHIFT, +}; +#endif diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 150c68d..7c5d269 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -177,6 +177,16 @@ config PINCTRL_ROCKCHIP_RK3188 the GPIO definitions and pin control functions for each available multiplex function.
+config PINCTRL_ROCKCHIP_RK322X + bool "Rockchip rk322x pin control driver" + depends on DM + help + Support pin multiplexing control on Rockchip rk322x 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_RK3288 bool "Rockchip rk3288 pin control driver" depends on DM diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile index a1c655d..5251771 100644 --- a/drivers/pinctrl/rockchip/Makefile +++ b/drivers/pinctrl/rockchip/Makefile @@ -7,6 +7,7 @@
obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3036) += pinctrl_rk3036.o obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3188) += pinctrl_rk3188.o +obj-$(CONFIG_PINCTRL_ROCKCHIP_RK322X) += pinctrl_rk322x.o obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3288) += pinctrl_rk3288.o obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3328) += pinctrl_rk3328.o obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3368) += pinctrl_rk3368.o diff --git a/drivers/pinctrl/rockchip/pinctrl_rk322x.c b/drivers/pinctrl/rockchip/pinctrl_rk322x.c new file mode 100644 index 0000000..5404008 --- /dev/null +++ b/drivers/pinctrl/rockchip/pinctrl_rk322x.c @@ -0,0 +1,295 @@ +/* + * Pinctrl driver for Rockchip 3036 SoCs + * (C) Copyright 2015 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_rk322x.h> +#include <asm/arch/hardware.h> +#include <asm/arch/periph.h> +#include <dm/pinctrl.h> + +DECLARE_GLOBAL_DATA_PTR; + +struct rk322x_pinctrl_priv { + struct rk322x_grf *grf; +}; + +static void pinctrl_rk322x_pwm_config(struct rk322x_grf *grf, int pwm_id) +{ + u32 mux_con = readl(&grf->con_iomux); + + switch (pwm_id) { + case PERIPH_ID_PWM0: + if (mux_con & CON_IOMUX_PWM0SEL_MASK) + rk_clrsetreg(&grf->gpio3c_iomux, GPIO3C5_MASK, + GPIO3C5_PWM10 << GPIO3C5_SHIFT); + else + rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D2_MASK, + GPIO0D2_PWM0 << GPIO0D2_SHIFT); + break; + case PERIPH_ID_PWM1: + if (mux_con & CON_IOMUX_PWM1SEL_MASK) + rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D6_MASK, + GPIO0D6_PWM11 << GPIO0D6_SHIFT); + else + rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D3_MASK, + GPIO0D3_PWM1 << GPIO0D3_SHIFT); + break; + case PERIPH_ID_PWM2: + if (mux_con & CON_IOMUX_PWM2SEL_MASK) + rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B4_MASK, + GPIO1B4_PWM12 << GPIO1B4_SHIFT); + else + rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D4_MASK, + GPIO0D4_PWM2 << GPIO0D4_SHIFT); + break; + case PERIPH_ID_PWM3: + if (mux_con & CON_IOMUX_PWM3SEL_MASK) + rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B3_MASK, + GPIO1B3_PWM13 << GPIO1B3_SHIFT); + else + rk_clrsetreg(&grf->gpio3d_iomux, GPIO3D2_MASK, + GPIO3D2_PWM3 << GPIO3D2_SHIFT); + break; + default: + debug("pwm id = %d iomux error!\n", pwm_id); + break; + } +} + +static void pinctrl_rk322x_i2c_config(struct rk322x_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_iomux, + 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_rk322x_spi_config(struct rk322x_grf *grf, int cs) +{ + switch (cs) { + case 0: + rk_clrsetreg(&grf->gpio0b_iomux, GPIO0B6_MASK, + GPIO0B6_SPI_CSN0 << GPIO0B6_SHIFT); + break; + case 1: + rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B4_MASK, + GPIO1B4_SPI_CSN1 << GPIO1B4_SHIFT); + break; + } + rk_clrsetreg(&grf->gpio0b_iomux, + GPIO0B1_MASK | GPIO0B3_MASK | GPIO0B5_MASK, + GPIO0B5_SPI_RXD << GPIO0B5_SHIFT | + GPIO0B3_SPI_TXD << GPIO0B3_SHIFT | + GPIO0B1_SPI_CLK << GPIO0B1_SHIFT); +} + +static void pinctrl_rk322x_uart_config(struct rk322x_grf *grf, int uart_id) +{ + u32 mux_con = readl(&grf->con_iomux); + + switch (uart_id) { + case PERIPH_ID_UART1: + if (!(mux_con & CON_IOMUX_UART1SEL_MASK)) + rk_clrsetreg(&grf->gpio1b_iomux, + GPIO1B1_MASK | GPIO1B2_MASK, + GPIO1B1_UART1_SOUT << GPIO1B1_SHIFT | + GPIO1B2_UART1_SIN << GPIO1B2_SHIFT); + break; + case PERIPH_ID_UART2: + if (mux_con & CON_IOMUX_UART2SEL_MASK) + rk_clrsetreg(&grf->gpio1b_iomux, + GPIO1B1_MASK | GPIO1B2_MASK, + GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT | + GPIO1B2_UART21_SIN << GPIO1B2_SHIFT); + else + rk_clrsetreg(&grf->gpio1c_iomux, + GPIO1C3_MASK | GPIO1C2_MASK, + GPIO1C3_UART2_SIN << GPIO1C3_SHIFT | + GPIO1C2_UART2_SOUT << GPIO1C2_SHIFT); + break; + } +} + +static void pinctrl_rk322x_sdmmc_config(struct rk322x_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); + rk_clrsetreg(&grf->gpio1c_iomux, + GPIO1C6_MASK | GPIO1C7_MASK, + GPIO1C6_EMMC_CMD << GPIO1C6_SHIFT | + GPIO1C7_EMMC_RSTNOUT << GPIO1C6_SHIFT); + break; + case PERIPH_ID_SDCARD: + rk_clrsetreg(&grf->gpio1b_iomux, + GPIO1B6_MASK | GPIO1B7_MASK, + GPIO1B6_SDMMC_PWREN << GPIO1B6_SHIFT | + GPIO1B7_SDMMC_CMD << GPIO1B6_SHIFT); + rk_clrsetreg(&grf->gpio1c_iomux, 0xfff, + GPIO1C5_SDMMC_D3 << GPIO1C5_SHIFT | + GPIO1C4_SDMMC_D2 << GPIO1C4_SHIFT | + GPIO1C3_SDMMC_D1 << GPIO1C3_SHIFT | + GPIO1C2_SDMMC_D0 << GPIO1C2_SHIFT | + GPIO1C1_SDMMC_DETN << GPIO1C1_SHIFT | + GPIO1C0_SDMMC_CLKOUT << GPIO1C0_SHIFT); + break; + } +} + +static int rk322x_pinctrl_request(struct udevice *dev, int func, int flags) +{ + struct rk322x_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_rk322x_pwm_config(priv->grf, func); + break; + case PERIPH_ID_I2C0: + case PERIPH_ID_I2C1: + case PERIPH_ID_I2C2: + pinctrl_rk322x_i2c_config(priv->grf, func); + break; + case PERIPH_ID_SPI0: + pinctrl_rk322x_spi_config(priv->grf, flags); + break; + case PERIPH_ID_UART0: + case PERIPH_ID_UART1: + case PERIPH_ID_UART2: + pinctrl_rk322x_uart_config(priv->grf, func); + break; + case PERIPH_ID_SDMMC0: + case PERIPH_ID_SDMMC1: + pinctrl_rk322x_sdmmc_config(priv->grf, func); + break; + default: + return -EINVAL; + } + + return 0; +} + +static int rk322x_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 12: + return PERIPH_ID_SDCARD; + case 14: + return PERIPH_ID_EMMC; + case 36: + return PERIPH_ID_I2C0; + case 37: + return PERIPH_ID_I2C1; + case 38: + return PERIPH_ID_I2C2; + case 49: + return PERIPH_ID_SPI0; + case 50: + return PERIPH_ID_PWM0; + case 55: + return PERIPH_ID_UART0; + case 56: + return PERIPH_ID_UART1; + case 57: + return PERIPH_ID_UART2; + } + return -ENOENT; +} + +static int rk322x_pinctrl_set_state_simple(struct udevice *dev, + struct udevice *periph) +{ + int func; + + func = rk322x_pinctrl_get_periph_id(dev, periph); + if (func < 0) + return func; + return rk322x_pinctrl_request(dev, func, 0); +} + +static struct pinctrl_ops rk322x_pinctrl_ops = { + .set_state_simple = rk322x_pinctrl_set_state_simple, + .request = rk322x_pinctrl_request, + .get_periph_id = rk322x_pinctrl_get_periph_id, +}; + +static int rk322x_pinctrl_probe(struct udevice *dev) +{ + struct rk322x_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 rk322x_pinctrl_ids[] = { + { .compatible = "rockchip,rk322x-pinctrl" }, + { } +}; + +U_BOOT_DRIVER(pinctrl_rk322x) = { + .name = "pinctrl_rk322x", + .id = UCLASS_PINCTRL, + .of_match = rk322x_pinctrl_ids, + .priv_auto_alloc_size = sizeof(struct rk322x_pinctrl_priv), + .ops = &rk322x_pinctrl_ops, + .bind = dm_scan_fdt_dev, + .probe = rk322x_pinctrl_probe, +};