| // SPDX-License-Identifier: GPL-2.0-only |
| |
| #include <linux/module.h> |
| #include <linux/platform_device.h> |
| #include <linux/of.h> |
| #include "pinctrl-mtmips.h" |
| |
| #define MT7620_GPIO_MODE_UART0_SHIFT 2 |
| #define MT7620_GPIO_MODE_UART0_MASK 0x7 |
| #define MT7620_GPIO_MODE_UART0(x) ((x) << MT7620_GPIO_MODE_UART0_SHIFT) |
| #define MT7620_GPIO_MODE_UARTF 0x0 |
| #define MT7620_GPIO_MODE_PCM_UARTF 0x1 |
| #define MT7620_GPIO_MODE_PCM_I2S 0x2 |
| #define MT7620_GPIO_MODE_I2S_UARTF 0x3 |
| #define MT7620_GPIO_MODE_PCM_GPIO 0x4 |
| #define MT7620_GPIO_MODE_GPIO_UARTF 0x5 |
| #define MT7620_GPIO_MODE_GPIO_I2S 0x6 |
| #define MT7620_GPIO_MODE_GPIO 0x7 |
| |
| #define MT7620_GPIO_MODE_NAND 0 |
| #define MT7620_GPIO_MODE_SD 1 |
| #define MT7620_GPIO_MODE_ND_SD_GPIO 2 |
| #define MT7620_GPIO_MODE_ND_SD_MASK 0x3 |
| #define MT7620_GPIO_MODE_ND_SD_SHIFT 18 |
| |
| #define MT7620_GPIO_MODE_PCIE_RST 0 |
| #define MT7620_GPIO_MODE_PCIE_REF 1 |
| #define MT7620_GPIO_MODE_PCIE_GPIO 2 |
| #define MT7620_GPIO_MODE_PCIE_MASK 0x3 |
| #define MT7620_GPIO_MODE_PCIE_SHIFT 16 |
| |
| #define MT7620_GPIO_MODE_WDT_RST 0 |
| #define MT7620_GPIO_MODE_WDT_REF 1 |
| #define MT7620_GPIO_MODE_WDT_GPIO 2 |
| #define MT7620_GPIO_MODE_WDT_MASK 0x3 |
| #define MT7620_GPIO_MODE_WDT_SHIFT 21 |
| |
| #define MT7620_GPIO_MODE_MDIO 0 |
| #define MT7620_GPIO_MODE_MDIO_REFCLK 1 |
| #define MT7620_GPIO_MODE_MDIO_GPIO 2 |
| #define MT7620_GPIO_MODE_MDIO_MASK 0x3 |
| #define MT7620_GPIO_MODE_MDIO_SHIFT 7 |
| |
| #define MT7620_GPIO_MODE_I2C 0 |
| #define MT7620_GPIO_MODE_UART1 5 |
| #define MT7620_GPIO_MODE_RGMII1 9 |
| #define MT7620_GPIO_MODE_RGMII2 10 |
| #define MT7620_GPIO_MODE_SPI 11 |
| #define MT7620_GPIO_MODE_SPI_REF_CLK 12 |
| #define MT7620_GPIO_MODE_WLED 13 |
| #define MT7620_GPIO_MODE_JTAG 15 |
| #define MT7620_GPIO_MODE_EPHY 15 |
| #define MT7620_GPIO_MODE_PA 20 |
| |
| static struct mtmips_pmx_func i2c_grp[] = { FUNC("i2c", 0, 1, 2) }; |
| static struct mtmips_pmx_func spi_grp[] = { FUNC("spi", 0, 3, 4) }; |
| static struct mtmips_pmx_func uartlite_grp[] = { FUNC("uartlite", 0, 15, 2) }; |
| static struct mtmips_pmx_func mdio_grp[] = { |
| FUNC("mdio", MT7620_GPIO_MODE_MDIO, 22, 2), |
| FUNC("refclk", MT7620_GPIO_MODE_MDIO_REFCLK, 22, 2), |
| }; |
| static struct mtmips_pmx_func rgmii1_grp[] = { FUNC("rgmii1", 0, 24, 12) }; |
| static struct mtmips_pmx_func refclk_grp[] = { FUNC("spi refclk", 0, 37, 3) }; |
| static struct mtmips_pmx_func ephy_grp[] = { FUNC("ephy", 0, 40, 5) }; |
| static struct mtmips_pmx_func rgmii2_grp[] = { FUNC("rgmii2", 0, 60, 12) }; |
| static struct mtmips_pmx_func wled_grp[] = { FUNC("wled", 0, 72, 1) }; |
| static struct mtmips_pmx_func pa_grp[] = { FUNC("pa", 0, 18, 4) }; |
| static struct mtmips_pmx_func uartf_grp[] = { |
| FUNC("uartf", MT7620_GPIO_MODE_UARTF, 7, 8), |
| FUNC("pcm uartf", MT7620_GPIO_MODE_PCM_UARTF, 7, 8), |
| FUNC("pcm i2s", MT7620_GPIO_MODE_PCM_I2S, 7, 8), |
| FUNC("i2s uartf", MT7620_GPIO_MODE_I2S_UARTF, 7, 8), |
| FUNC("pcm gpio", MT7620_GPIO_MODE_PCM_GPIO, 11, 4), |
| FUNC("gpio uartf", MT7620_GPIO_MODE_GPIO_UARTF, 7, 4), |
| FUNC("gpio i2s", MT7620_GPIO_MODE_GPIO_I2S, 7, 4), |
| }; |
| static struct mtmips_pmx_func wdt_grp[] = { |
| FUNC("wdt rst", 0, 17, 1), |
| FUNC("wdt refclk", 0, 17, 1), |
| }; |
| static struct mtmips_pmx_func pcie_rst_grp[] = { |
| FUNC("pcie rst", MT7620_GPIO_MODE_PCIE_RST, 36, 1), |
| FUNC("pcie refclk", MT7620_GPIO_MODE_PCIE_REF, 36, 1) |
| }; |
| static struct mtmips_pmx_func nd_sd_grp[] = { |
| FUNC("nand", MT7620_GPIO_MODE_NAND, 45, 15), |
| FUNC("sd", MT7620_GPIO_MODE_SD, 47, 13) |
| }; |
| |
| static struct mtmips_pmx_group mt7620a_pinmux_data[] = { |
| GRP("i2c", i2c_grp, 1, MT7620_GPIO_MODE_I2C), |
| GRP("uartf", uartf_grp, MT7620_GPIO_MODE_UART0_MASK, |
| MT7620_GPIO_MODE_UART0_SHIFT), |
| GRP("spi", spi_grp, 1, MT7620_GPIO_MODE_SPI), |
| GRP("uartlite", uartlite_grp, 1, MT7620_GPIO_MODE_UART1), |
| GRP_G("wdt", wdt_grp, MT7620_GPIO_MODE_WDT_MASK, |
| MT7620_GPIO_MODE_WDT_GPIO, MT7620_GPIO_MODE_WDT_SHIFT), |
| GRP_G("mdio", mdio_grp, MT7620_GPIO_MODE_MDIO_MASK, |
| MT7620_GPIO_MODE_MDIO_GPIO, MT7620_GPIO_MODE_MDIO_SHIFT), |
| GRP("rgmii1", rgmii1_grp, 1, MT7620_GPIO_MODE_RGMII1), |
| GRP("spi refclk", refclk_grp, 1, MT7620_GPIO_MODE_SPI_REF_CLK), |
| GRP_G("pcie", pcie_rst_grp, MT7620_GPIO_MODE_PCIE_MASK, |
| MT7620_GPIO_MODE_PCIE_GPIO, MT7620_GPIO_MODE_PCIE_SHIFT), |
| GRP_G("nd_sd", nd_sd_grp, MT7620_GPIO_MODE_ND_SD_MASK, |
| MT7620_GPIO_MODE_ND_SD_GPIO, MT7620_GPIO_MODE_ND_SD_SHIFT), |
| GRP("rgmii2", rgmii2_grp, 1, MT7620_GPIO_MODE_RGMII2), |
| GRP("wled", wled_grp, 1, MT7620_GPIO_MODE_WLED), |
| GRP("ephy", ephy_grp, 1, MT7620_GPIO_MODE_EPHY), |
| GRP("pa", pa_grp, 1, MT7620_GPIO_MODE_PA), |
| { 0 } |
| }; |
| |
| static int mt7620_pinctrl_probe(struct platform_device *pdev) |
| { |
| return mtmips_pinctrl_init(pdev, mt7620a_pinmux_data); |
| } |
| |
| static const struct of_device_id mt7620_pinctrl_match[] = { |
| { .compatible = "ralink,mt7620-pinctrl" }, |
| { .compatible = "ralink,rt2880-pinmux" }, |
| {} |
| }; |
| MODULE_DEVICE_TABLE(of, mt7620_pinctrl_match); |
| |
| static struct platform_driver mt7620_pinctrl_driver = { |
| .probe = mt7620_pinctrl_probe, |
| .driver = { |
| .name = "mt7620-pinctrl", |
| .of_match_table = mt7620_pinctrl_match, |
| }, |
| }; |
| |
| static int __init mt7620_pinctrl_init(void) |
| { |
| return platform_driver_register(&mt7620_pinctrl_driver); |
| } |
| core_initcall_sync(mt7620_pinctrl_init); |