From e129c480e496c2a5e816c7f7e0b27afb3ed037d1 Mon Sep 17 00:00:00 2001 From: Kever Yang Date: Tue, 28 Nov 2017 16:04:18 +0800 Subject: [PATCH] rockchip: rk3128: add pinctrl driver Add rk3128 pinctrl driver and grf/iomux structure definition. Signed-off-by: Kever Yang Acked-by: Philipp Tomsich Reviewed-by: Philipp Tomsich --- .../include/asm/arch-rockchip/grf_rk3128.h | 551 ++++++++++++++++++ drivers/pinctrl/Kconfig | 10 + drivers/pinctrl/rockchip/Makefile | 4 +- drivers/pinctrl/rockchip/pinctrl_rk3128.c | 187 ++++++ 4 files changed, 750 insertions(+), 2 deletions(-) create mode 100644 arch/arm/include/asm/arch-rockchip/grf_rk3128.h create mode 100644 drivers/pinctrl/rockchip/pinctrl_rk3128.c 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 + +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 +# 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include + +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, +}; -- 2.39.5