diff options
Diffstat (limited to 'drivers/pinctrl/rockchip/pinctrl_rk3399.c')
| -rw-r--r-- | drivers/pinctrl/rockchip/pinctrl_rk3399.c | 740 |
1 files changed, 0 insertions, 740 deletions
diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3399.c b/drivers/pinctrl/rockchip/pinctrl_rk3399.c deleted file mode 100644 index 5c5af3a..0000000 --- a/drivers/pinctrl/rockchip/pinctrl_rk3399.c +++ /dev/null @@ -1,740 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2016 Rockchip Electronics Co., Ltd - * (C) 2018 Theobroma Systems Design und Consulting GmbH - */ - -#include <common.h> -#include <dm.h> -#include <errno.h> -#include <syscon.h> -#include <asm/io.h> -#include <asm/arch/grf_rk3399.h> -#include <asm/arch/hardware.h> -#include <asm/arch/periph.h> -#include <asm/arch/clock.h> -#include <dm/pinctrl.h> - -#if CONFIG_IS_ENABLED(PINCTRL_ROCKCHIP_RK3399_FULL) -static const u32 RK_GRF_P_PULLUP = 1; -static const u32 RK_GRF_P_PULLDOWN = 2; -#endif /* PINCTRL_ROCKCHIP_RK3399_FULL */ - -struct rk3399_pinctrl_priv { - struct rk3399_grf_regs *grf; - struct rk3399_pmugrf_regs *pmugrf; - struct rockchip_pin_bank *banks; -}; - -#if CONFIG_IS_ENABLED(PINCTRL_ROCKCHIP_RK3399_FULL) -/* Location of pinctrl/pinconf registers. */ -enum rk_grf_location { - RK_GRF, - RK_PMUGRF, -}; - -/** - * @nr_pins: number of pins in this bank - * @grf_location: location of pinctrl/pinconf registers - * @bank_num: number of the bank, to account for holes - * @iomux: array describing the 4 iomux sources of the bank - */ -struct rockchip_pin_bank { - u8 nr_pins; - enum rk_grf_location grf_location; - size_t iomux_offset; - size_t pupd_offset; -}; - -#define PIN_BANK(pins, grf, iomux, pupd) \ - { \ - .nr_pins = pins, \ - .grf_location = grf, \ - .iomux_offset = iomux, \ - .pupd_offset = pupd, \ - } - -static struct rockchip_pin_bank rk3399_pin_banks[] = { - PIN_BANK(16, RK_PMUGRF, - offsetof(struct rk3399_pmugrf_regs, gpio0a_iomux), - offsetof(struct rk3399_pmugrf_regs, gpio0_p)), - PIN_BANK(32, RK_PMUGRF, - offsetof(struct rk3399_pmugrf_regs, gpio1a_iomux), - offsetof(struct rk3399_pmugrf_regs, gpio1_p)), - PIN_BANK(32, RK_GRF, - offsetof(struct rk3399_grf_regs, gpio2a_iomux), - offsetof(struct rk3399_grf_regs, gpio2_p)), - PIN_BANK(32, RK_GRF, - offsetof(struct rk3399_grf_regs, gpio3a_iomux), - offsetof(struct rk3399_grf_regs, gpio3_p)), - PIN_BANK(32, RK_GRF, - offsetof(struct rk3399_grf_regs, gpio4a_iomux), - offsetof(struct rk3399_grf_regs, gpio4_p)), -}; - -static void rk_pinctrl_get_info(uintptr_t base, u32 index, uintptr_t *addr, - u32 *shift, u32 *mask) -{ - /* - * In general we four subsequent 32-bit configuration registers - * per bank (e.g. GPIO2A_P, GPIO2B_P, GPIO2C_P, GPIO2D_P). - * The configuration for each pin has two bits. - * - * @base...contains the address to the first register. - * @index...defines the pin within the bank (0..31). - * @addr...will be the address of the actual register to use - * @shift...will be the bit position in the configuration register - * @mask...will be the (unshifted) mask - */ - - const u32 pins_per_register = 8; - const u32 config_bits_per_pin = 2; - - /* Get the address of the configuration register. */ - *addr = base + (index / pins_per_register) * sizeof(u32); - - /* Get the bit offset within the configuration register. */ - *shift = (index & (pins_per_register - 1)) * config_bits_per_pin; - - /* Get the (unshifted) mask for the configuration pins. */ - *mask = ((1 << config_bits_per_pin) - 1); - - pr_debug("%s: addr=0x%lx, mask=0x%x, shift=0x%x\n", - __func__, *addr, *mask, *shift); -} - -static void rk3399_pinctrl_set_pin_iomux(uintptr_t grf_addr, - struct rockchip_pin_bank *bank, - u32 index, u32 muxval) -{ - uintptr_t iomux_base, addr; - u32 shift, mask; - - iomux_base = grf_addr + bank->iomux_offset; - rk_pinctrl_get_info(iomux_base, index, &addr, &shift, &mask); - - /* Set pinmux register */ - rk_clrsetreg(addr, mask << shift, muxval << shift); -} - -static void rk3399_pinctrl_set_pin_pupd(uintptr_t grf_addr, - struct rockchip_pin_bank *bank, - u32 index, int pinconfig) -{ - uintptr_t pupd_base, addr; - u32 shift, mask, pupdval; - - /* Fast path in case there's nothing to do. */ - if (!pinconfig) - return; - - if (pinconfig & (1 << PIN_CONFIG_BIAS_PULL_UP)) - pupdval = RK_GRF_P_PULLUP; - else if (pinconfig & (1 << PIN_CONFIG_BIAS_PULL_DOWN)) { - pupdval = RK_GRF_P_PULLDOWN; - } else { - /* Flag not supported. */ - pr_warn("%s: Unsupported pinconfig flag: 0x%x\n", __func__, - pinconfig); - return; - } - - pupd_base = grf_addr + (uintptr_t)bank->pupd_offset; - rk_pinctrl_get_info(pupd_base, index, &addr, &shift, &mask); - - /* Set pull-up/pull-down regisrer */ - rk_clrsetreg(addr, mask << shift, pupdval << shift); -} - -static int rk3399_pinctrl_set_pin(struct udevice *dev, u32 banknum, u32 index, - u32 muxval, int pinconfig) -{ - struct rk3399_pinctrl_priv *priv = dev_get_priv(dev); - struct rockchip_pin_bank *bank = &priv->banks[banknum]; - uintptr_t grf_addr; - - pr_debug("%s: 0x%x 0x%x 0x%x 0x%x\n", __func__, banknum, index, muxval, - pinconfig); - - if (bank->grf_location == RK_GRF) - grf_addr = (uintptr_t)priv->grf; - else if (bank->grf_location == RK_PMUGRF) - grf_addr = (uintptr_t)priv->pmugrf; - else - return -EINVAL; - - rk3399_pinctrl_set_pin_iomux(grf_addr, bank, index, muxval); - - rk3399_pinctrl_set_pin_pupd(grf_addr, bank, index, pinconfig); - return 0; -} - -static int rk3399_pinctrl_set_state(struct udevice *dev, struct udevice *config) -{ - /* - * The order of the fields in this struct must match the order of - * the fields in the "rockchip,pins" property. - */ - struct rk_pin { - u32 banknum; - u32 index; - u32 muxval; - u32 phandle; - } __packed; - - u32 *fields = NULL; - const int fields_per_pin = 4; - int num_fields, num_pins; - int ret; - int size; - int i; - struct rk_pin *pin; - - pr_debug("%s: %s\n", __func__, config->name); - - size = dev_read_size(config, "rockchip,pins"); - if (size < 0) - return -EINVAL; - - num_fields = size / sizeof(u32); - num_pins = num_fields / fields_per_pin; - - if (num_fields * sizeof(u32) != size || - num_pins * fields_per_pin != num_fields) { - pr_warn("Invalid number of rockchip,pins fields.\n"); - return -EINVAL; - } - - fields = calloc(num_fields, sizeof(u32)); - if (!fields) - return -ENOMEM; - - ret = dev_read_u32_array(config, "rockchip,pins", fields, num_fields); - if (ret) { - pr_warn("%s: Failed to read rockchip,pins fields.\n", - config->name); - goto end; - } - - pin = (struct rk_pin *)fields; - for (i = 0; i < num_pins; i++, pin++) { - struct udevice *dev_pinconfig; - int pinconfig; - - ret = uclass_get_device_by_phandle_id(UCLASS_PINCONFIG, - pin->phandle, - &dev_pinconfig); - if (ret) { - pr_debug("Could not get pinconfig device\n"); - goto end; - } - - pinconfig = pinctrl_decode_pin_config_dm(dev_pinconfig); - if (pinconfig < 0) { - pr_warn("Could not parse pinconfig\n"); - goto end; - } - - ret = rk3399_pinctrl_set_pin(dev, pin->banknum, pin->index, - pin->muxval, pinconfig); - if (ret) { - pr_warn("Could not set pinctrl settings\n"); - goto end; - } - } - -end: - free(fields); - return ret; -} - -#endif /* PINCTRL_ROCKCHIP_RK3399_FULL */ - -static void pinctrl_rk3399_pwm_config(struct rk3399_grf_regs *grf, - struct rk3399_pmugrf_regs *pmugrf, int pwm_id) -{ - switch (pwm_id) { - case PERIPH_ID_PWM0: - rk_clrsetreg(&grf->gpio4c_iomux, - GRF_GPIO4C2_SEL_MASK, - GRF_PWM_0 << GRF_GPIO4C2_SEL_SHIFT); - break; - case PERIPH_ID_PWM1: - rk_clrsetreg(&grf->gpio4c_iomux, - GRF_GPIO4C6_SEL_MASK, - GRF_PWM_1 << GRF_GPIO4C6_SEL_SHIFT); - break; - case PERIPH_ID_PWM2: - rk_clrsetreg(&pmugrf->gpio1c_iomux, - PMUGRF_GPIO1C3_SEL_MASK, - PMUGRF_PWM_2 << PMUGRF_GPIO1C3_SEL_SHIFT); - break; - case PERIPH_ID_PWM3: - if (readl(&pmugrf->soc_con0) & (1 << 5)) - rk_clrsetreg(&pmugrf->gpio1b_iomux, - PMUGRF_GPIO1B6_SEL_MASK, - PMUGRF_PWM_3B << PMUGRF_GPIO1B6_SEL_SHIFT); - else - rk_clrsetreg(&pmugrf->gpio0a_iomux, - PMUGRF_GPIO0A6_SEL_MASK, - PMUGRF_PWM_3A << PMUGRF_GPIO0A6_SEL_SHIFT); - break; - default: - debug("pwm id = %d iomux error!\n", pwm_id); - break; - } -} - -static void pinctrl_rk3399_i2c_config(struct rk3399_grf_regs *grf, - struct rk3399_pmugrf_regs *pmugrf, - int i2c_id) -{ - switch (i2c_id) { - case PERIPH_ID_I2C0: - rk_clrsetreg(&pmugrf->gpio1b_iomux, - PMUGRF_GPIO1B7_SEL_MASK, - PMUGRF_I2C0PMU_SDA << PMUGRF_GPIO1B7_SEL_SHIFT); - rk_clrsetreg(&pmugrf->gpio1c_iomux, - PMUGRF_GPIO1C0_SEL_MASK, - PMUGRF_I2C0PMU_SCL << PMUGRF_GPIO1C0_SEL_SHIFT); - break; - - case PERIPH_ID_I2C1: - rk_clrsetreg(&grf->gpio4a_iomux, - GRF_GPIO4A1_SEL_MASK, - GRF_I2C1_SDA << GRF_GPIO4A1_SEL_SHIFT); - rk_clrsetreg(&grf->gpio4a_iomux, - GRF_GPIO4A2_SEL_MASK, - GRF_I2C1_SCL << GRF_GPIO4A2_SEL_SHIFT); - break; - - case PERIPH_ID_I2C2: - rk_clrsetreg(&grf->gpio2a_iomux, - GRF_GPIO2A0_SEL_MASK, - GRF_I2C2_SDA << GRF_GPIO2A0_SEL_SHIFT); - rk_clrsetreg(&grf->gpio2a_iomux, - GRF_GPIO2A1_SEL_MASK, - GRF_I2C2_SCL << GRF_GPIO2A1_SEL_SHIFT); - break; - case PERIPH_ID_I2C3: - rk_clrsetreg(&grf->gpio4c_iomux, - GRF_GPIO4C0_SEL_MASK, - GRF_HDMII2C_SCL << GRF_GPIO4C0_SEL_SHIFT); - rk_clrsetreg(&grf->gpio4c_iomux, - GRF_GPIO4C1_SEL_MASK, - GRF_HDMII2C_SDA << GRF_GPIO4C1_SEL_SHIFT); - break; - - case PERIPH_ID_I2C4: - rk_clrsetreg(&pmugrf->gpio1b_iomux, - PMUGRF_GPIO1B3_SEL_MASK, - PMUGRF_I2C4_SDA << PMUGRF_GPIO1B3_SEL_SHIFT); - rk_clrsetreg(&pmugrf->gpio1b_iomux, - PMUGRF_GPIO1B4_SEL_MASK, - PMUGRF_I2C4_SCL << PMUGRF_GPIO1B4_SEL_SHIFT); - break; - - case PERIPH_ID_I2C7: - rk_clrsetreg(&grf->gpio2a_iomux, - GRF_GPIO2A7_SEL_MASK, - GRF_I2C7_SDA << GRF_GPIO2A7_SEL_SHIFT); - rk_clrsetreg(&grf->gpio2b_iomux, - GRF_GPIO2B0_SEL_MASK, - GRF_I2C7_SCL << GRF_GPIO2B0_SEL_SHIFT); - break; - - case PERIPH_ID_I2C6: - rk_clrsetreg(&grf->gpio2b_iomux, - GRF_GPIO2B1_SEL_MASK, - GRF_I2C6_SDA << GRF_GPIO2B1_SEL_SHIFT); - rk_clrsetreg(&grf->gpio2b_iomux, - GRF_GPIO2B2_SEL_MASK, - GRF_I2C6_SDA << GRF_GPIO2B2_SEL_SHIFT); - break; - - case PERIPH_ID_I2C8: - rk_clrsetreg(&pmugrf->gpio1c_iomux, - PMUGRF_GPIO1C4_SEL_MASK, - PMUGRF_I2C8PMU_SDA << PMUGRF_GPIO1C4_SEL_SHIFT); - rk_clrsetreg(&pmugrf->gpio1c_iomux, - PMUGRF_GPIO1C5_SEL_MASK, - PMUGRF_I2C8PMU_SCL << PMUGRF_GPIO1C5_SEL_SHIFT); - break; - - case PERIPH_ID_I2C5: - default: - debug("i2c id = %d iomux error!\n", i2c_id); - break; - } -} - -static void pinctrl_rk3399_lcdc_config(struct rk3399_grf_regs *grf, int lcd_id) -{ - switch (lcd_id) { - case PERIPH_ID_LCDC0: - break; - default: - debug("lcdc id = %d iomux error!\n", lcd_id); - break; - } -} - -static int pinctrl_rk3399_spi_config(struct rk3399_grf_regs *grf, - struct rk3399_pmugrf_regs *pmugrf, - enum periph_id spi_id, int cs) -{ - switch (spi_id) { - case PERIPH_ID_SPI0: - switch (cs) { - case 0: - rk_clrsetreg(&grf->gpio3a_iomux, - GRF_GPIO3A7_SEL_MASK, - GRF_SPI0NORCODEC_CSN0 - << GRF_GPIO3A7_SEL_SHIFT); - break; - case 1: - rk_clrsetreg(&grf->gpio3b_iomux, - GRF_GPIO3B0_SEL_MASK, - GRF_SPI0NORCODEC_CSN1 - << GRF_GPIO3B0_SEL_SHIFT); - break; - default: - goto err; - } - rk_clrsetreg(&grf->gpio3a_iomux, - GRF_GPIO3A4_SEL_MASK | GRF_GPIO3A5_SEL_SHIFT - | GRF_GPIO3A6_SEL_SHIFT, - GRF_SPI0NORCODEC_RXD << GRF_GPIO3A4_SEL_SHIFT - | GRF_SPI0NORCODEC_RXD << GRF_GPIO3A5_SEL_SHIFT - | GRF_SPI0NORCODEC_RXD << GRF_GPIO3A6_SEL_SHIFT); - break; - case PERIPH_ID_SPI1: - if (cs != 0) - goto err; - rk_clrsetreg(&pmugrf->gpio1a_iomux, - PMUGRF_GPIO1A7_SEL_MASK, - PMUGRF_SPI1EC_RXD << PMUGRF_GPIO1A7_SEL_SHIFT); - rk_clrsetreg(&pmugrf->gpio1b_iomux, - PMUGRF_GPIO1B0_SEL_MASK | PMUGRF_GPIO1B1_SEL_MASK - | PMUGRF_GPIO1B2_SEL_MASK, - PMUGRF_SPI1EC_TXD << PMUGRF_GPIO1B0_SEL_SHIFT - | PMUGRF_SPI1EC_CLK << PMUGRF_GPIO1B1_SEL_SHIFT - | PMUGRF_SPI1EC_CSN0 << PMUGRF_GPIO1B2_SEL_SHIFT); - break; - case PERIPH_ID_SPI2: - if (cs != 0) - goto err; - rk_clrsetreg(&grf->gpio2b_iomux, - GRF_GPIO2B1_SEL_MASK | GRF_GPIO2B2_SEL_MASK - | GRF_GPIO2B3_SEL_MASK | GRF_GPIO2B4_SEL_MASK, - GRF_SPI2TPM_RXD << GRF_GPIO2B1_SEL_SHIFT - | GRF_SPI2TPM_TXD << GRF_GPIO2B2_SEL_SHIFT - | GRF_SPI2TPM_CLK << GRF_GPIO2B3_SEL_SHIFT - | GRF_SPI2TPM_CSN0 << GRF_GPIO2B4_SEL_SHIFT); - break; - case PERIPH_ID_SPI5: - if (cs != 0) - goto err; - rk_clrsetreg(&grf->gpio2c_iomux, - GRF_GPIO2C4_SEL_MASK | GRF_GPIO2C5_SEL_MASK - | GRF_GPIO2C6_SEL_MASK | GRF_GPIO2C7_SEL_MASK, - GRF_SPI5EXPPLUS_RXD << GRF_GPIO2C4_SEL_SHIFT - | GRF_SPI5EXPPLUS_TXD << GRF_GPIO2C5_SEL_SHIFT - | GRF_SPI5EXPPLUS_CLK << GRF_GPIO2C6_SEL_SHIFT - | GRF_SPI5EXPPLUS_CSN0 << GRF_GPIO2C7_SEL_SHIFT); - break; - default: - printf("%s: spi_id %d is not supported.\n", __func__, spi_id); - goto err; - } - - return 0; -err: - debug("rkspi: periph%d cs=%d not supported", spi_id, cs); - return -ENOENT; -} - -static void pinctrl_rk3399_uart_config(struct rk3399_grf_regs *grf, - struct rk3399_pmugrf_regs *pmugrf, - int uart_id) -{ - switch (uart_id) { - case PERIPH_ID_UART2: - /* Using channel-C by default */ - rk_clrsetreg(&grf->gpio4c_iomux, - GRF_GPIO4C3_SEL_MASK, - GRF_UART2DGBC_SIN << GRF_GPIO4C3_SEL_SHIFT); - rk_clrsetreg(&grf->gpio4c_iomux, - GRF_GPIO4C4_SEL_MASK, - GRF_UART2DBGC_SOUT << GRF_GPIO4C4_SEL_SHIFT); - break; - case PERIPH_ID_UART0: - case PERIPH_ID_UART1: - case PERIPH_ID_UART3: - case PERIPH_ID_UART4: - default: - debug("uart id = %d iomux error!\n", uart_id); - break; - } -} - -static void pinctrl_rk3399_sdmmc_config(struct rk3399_grf_regs *grf, int mmc_id) -{ - switch (mmc_id) { - case PERIPH_ID_EMMC: - break; - case PERIPH_ID_SDCARD: - rk_clrsetreg(&grf->gpio4b_iomux, - GRF_GPIO4B0_SEL_MASK | GRF_GPIO4B1_SEL_MASK - | GRF_GPIO4B2_SEL_MASK | GRF_GPIO4B3_SEL_MASK - | GRF_GPIO4B4_SEL_MASK | GRF_GPIO4B5_SEL_MASK, - GRF_SDMMC_DATA0 << GRF_GPIO4B0_SEL_SHIFT - | GRF_SDMMC_DATA1 << GRF_GPIO4B1_SEL_SHIFT - | GRF_SDMMC_DATA2 << GRF_GPIO4B2_SEL_SHIFT - | GRF_SDMMC_DATA3 << GRF_GPIO4B3_SEL_SHIFT - | GRF_SDMMC_CLKOUT << GRF_GPIO4B4_SEL_SHIFT - | GRF_SDMMC_CMD << GRF_GPIO4B5_SEL_SHIFT); - break; - default: - debug("mmc id = %d iomux error!\n", mmc_id); - break; - } -} - -#if CONFIG_IS_ENABLED(GMAC_ROCKCHIP) -static void pinctrl_rk3399_gmac_config(struct rk3399_grf_regs *grf, int mmc_id) -{ - rk_clrsetreg(&grf->gpio3a_iomux, - GRF_GPIO3A0_SEL_MASK | GRF_GPIO3A1_SEL_MASK | - GRF_GPIO3A2_SEL_MASK | GRF_GPIO3A3_SEL_MASK | - GRF_GPIO3A4_SEL_MASK | GRF_GPIO3A5_SEL_MASK | - GRF_GPIO3A6_SEL_MASK | GRF_GPIO3A7_SEL_MASK, - GRF_MAC_TXD2 << GRF_GPIO3A0_SEL_SHIFT | - GRF_MAC_TXD3 << GRF_GPIO3A1_SEL_SHIFT | - GRF_MAC_RXD2 << GRF_GPIO3A2_SEL_SHIFT | - GRF_MAC_RXD3 << GRF_GPIO3A3_SEL_SHIFT | - GRF_MAC_TXD0 << GRF_GPIO3A4_SEL_SHIFT | - GRF_MAC_TXD1 << GRF_GPIO3A5_SEL_SHIFT | - GRF_MAC_RXD0 << GRF_GPIO3A6_SEL_SHIFT | - GRF_MAC_RXD1 << GRF_GPIO3A7_SEL_SHIFT); - rk_clrsetreg(&grf->gpio3b_iomux, - GRF_GPIO3B0_SEL_MASK | GRF_GPIO3B1_SEL_MASK | - GRF_GPIO3B3_SEL_MASK | - GRF_GPIO3B4_SEL_MASK | GRF_GPIO3B5_SEL_MASK | - GRF_GPIO3B6_SEL_MASK, - GRF_MAC_MDC << GRF_GPIO3B0_SEL_SHIFT | - GRF_MAC_RXDV << GRF_GPIO3B1_SEL_SHIFT | - GRF_MAC_CLK << GRF_GPIO3B3_SEL_SHIFT | - GRF_MAC_TXEN << GRF_GPIO3B4_SEL_SHIFT | - GRF_MAC_MDIO << GRF_GPIO3B5_SEL_SHIFT | - GRF_MAC_RXCLK << GRF_GPIO3B6_SEL_SHIFT); - rk_clrsetreg(&grf->gpio3c_iomux, - GRF_GPIO3C1_SEL_MASK, - GRF_MAC_TXCLK << GRF_GPIO3C1_SEL_SHIFT); - - /* Set drive strength for GMAC tx io, value 3 means 13mA */ - rk_clrsetreg(&grf->gpio3_e[0], - GRF_GPIO3A0_E_MASK | GRF_GPIO3A1_E_MASK | - GRF_GPIO3A4_E_MASK | GRF_GPIO3A5_E0_MASK, - 3 << GRF_GPIO3A0_E_SHIFT | - 3 << GRF_GPIO3A1_E_SHIFT | - 3 << GRF_GPIO3A4_E_SHIFT | - 1 << GRF_GPIO3A5_E0_SHIFT); - rk_clrsetreg(&grf->gpio3_e[1], - GRF_GPIO3A5_E12_MASK, - 1 << GRF_GPIO3A5_E12_SHIFT); - rk_clrsetreg(&grf->gpio3_e[2], - GRF_GPIO3B4_E_MASK, - 3 << GRF_GPIO3B4_E_SHIFT); - rk_clrsetreg(&grf->gpio3_e[4], - GRF_GPIO3C1_E_MASK, - 3 << GRF_GPIO3C1_E_SHIFT); -} -#endif - -#if !defined(CONFIG_SPL_BUILD) -static void pinctrl_rk3399_hdmi_config(struct rk3399_grf_regs *grf, int hdmi_id) -{ - switch (hdmi_id) { - case PERIPH_ID_HDMI: - rk_clrsetreg(&grf->gpio4c_iomux, - GRF_GPIO4C0_SEL_MASK | GRF_GPIO4C1_SEL_MASK, - (GRF_HDMII2C_SCL << GRF_GPIO4C0_SEL_SHIFT) | - (GRF_HDMII2C_SDA << GRF_GPIO4C1_SEL_SHIFT)); - break; - default: - debug("%s: hdmi_id = %d unsupported\n", __func__, hdmi_id); - break; - } -} -#endif - -static int rk3399_pinctrl_request(struct udevice *dev, int func, int flags) -{ - struct rk3399_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: - case PERIPH_ID_PWM4: - pinctrl_rk3399_pwm_config(priv->grf, priv->pmugrf, func); - break; - case PERIPH_ID_I2C0: - case PERIPH_ID_I2C1: - case PERIPH_ID_I2C2: - case PERIPH_ID_I2C3: - case PERIPH_ID_I2C4: - case PERIPH_ID_I2C5: - case PERIPH_ID_I2C6: - case PERIPH_ID_I2C7: - case PERIPH_ID_I2C8: - pinctrl_rk3399_i2c_config(priv->grf, priv->pmugrf, func); - break; - case PERIPH_ID_SPI0: - case PERIPH_ID_SPI1: - case PERIPH_ID_SPI2: - case PERIPH_ID_SPI3: - case PERIPH_ID_SPI4: - case PERIPH_ID_SPI5: - pinctrl_rk3399_spi_config(priv->grf, priv->pmugrf, func, flags); - break; - case PERIPH_ID_UART0: - case PERIPH_ID_UART1: - case PERIPH_ID_UART2: - case PERIPH_ID_UART3: - case PERIPH_ID_UART4: - pinctrl_rk3399_uart_config(priv->grf, priv->pmugrf, func); - break; - case PERIPH_ID_LCDC0: - case PERIPH_ID_LCDC1: - pinctrl_rk3399_lcdc_config(priv->grf, func); - break; - case PERIPH_ID_SDMMC0: - case PERIPH_ID_SDMMC1: - pinctrl_rk3399_sdmmc_config(priv->grf, func); - break; -#if CONFIG_IS_ENABLED(GMAC_ROCKCHIP) - case PERIPH_ID_GMAC: - pinctrl_rk3399_gmac_config(priv->grf, func); - break; -#endif -#if !defined(CONFIG_SPL_BUILD) - case PERIPH_ID_HDMI: - pinctrl_rk3399_hdmi_config(priv->grf, func); - break; -#endif - default: - return -EINVAL; - } - - return 0; -} - -static int rk3399_pinctrl_get_periph_id(struct udevice *dev, - struct udevice *periph) -{ -#if !CONFIG_IS_ENABLED(OF_PLATDATA) - u32 cell[3]; - int ret; - - ret = dev_read_u32_array(periph, "interrupts", cell, ARRAY_SIZE(cell)); - if (ret < 0) - return -EINVAL; - - switch (cell[1]) { - case 68: - return PERIPH_ID_SPI0; - case 53: - return PERIPH_ID_SPI1; - case 52: - return PERIPH_ID_SPI2; - case 132: - return PERIPH_ID_SPI5; - case 57: - return PERIPH_ID_I2C0; - case 59: /* Note strange order */ - return PERIPH_ID_I2C1; - case 35: - return PERIPH_ID_I2C2; - case 34: - return PERIPH_ID_I2C3; - case 56: - return PERIPH_ID_I2C4; - case 38: - return PERIPH_ID_I2C5; - case 37: - return PERIPH_ID_I2C6; - case 36: - return PERIPH_ID_I2C7; - case 58: - return PERIPH_ID_I2C8; - case 65: - return PERIPH_ID_SDMMC1; -#if CONFIG_IS_ENABLED(GMAC_ROCKCHIP) - case 12: - return PERIPH_ID_GMAC; -#endif -#if !defined(CONFIG_SPL_BUILD) - case 23: - return PERIPH_ID_HDMI; -#endif - } -#endif - return -ENOENT; -} - -static int rk3399_pinctrl_set_state_simple(struct udevice *dev, - struct udevice *periph) -{ - int func; - - func = rk3399_pinctrl_get_periph_id(dev, periph); - if (func < 0) - return func; - - return rk3399_pinctrl_request(dev, func, 0); -} - -static struct pinctrl_ops rk3399_pinctrl_ops = { -#if CONFIG_IS_ENABLED(PINCTRL_ROCKCHIP_RK3399_FULL) - .set_state = rk3399_pinctrl_set_state, -#endif - .set_state_simple = rk3399_pinctrl_set_state_simple, - .request = rk3399_pinctrl_request, - .get_periph_id = rk3399_pinctrl_get_periph_id, -}; - -static int rk3399_pinctrl_probe(struct udevice *dev) -{ - struct rk3399_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); -#if CONFIG_IS_ENABLED(PINCTRL_ROCKCHIP_RK3399_FULL) - priv->banks = rk3399_pin_banks; -#endif /* PINCTRL_ROCKCHIP_RK3399_FULL */ - - return ret; -} - -static const struct udevice_id rk3399_pinctrl_ids[] = { - { .compatible = "rockchip,rk3399-pinctrl" }, - { } -}; - -U_BOOT_DRIVER(pinctrl_rk3399) = { - .name = "rockchip_rk3399_pinctrl", - .id = UCLASS_PINCTRL, - .of_match = rk3399_pinctrl_ids, - .priv_auto_alloc_size = sizeof(struct rk3399_pinctrl_priv), - .ops = &rk3399_pinctrl_ops, -#if !CONFIG_IS_ENABLED(OF_PLATDATA) - .bind = dm_scan_fdt_dev, -#endif - .probe = rk3399_pinctrl_probe, -}; 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