162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ci 362306a36Sopenharmony_ci#include <linux/module.h> 462306a36Sopenharmony_ci#include <linux/platform_device.h> 562306a36Sopenharmony_ci#include <linux/of.h> 662306a36Sopenharmony_ci#include "pinctrl-mtmips.h" 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#define MT7620_GPIO_MODE_UART0_SHIFT 2 962306a36Sopenharmony_ci#define MT7620_GPIO_MODE_UART0_MASK 0x7 1062306a36Sopenharmony_ci#define MT7620_GPIO_MODE_UART0(x) ((x) << MT7620_GPIO_MODE_UART0_SHIFT) 1162306a36Sopenharmony_ci#define MT7620_GPIO_MODE_UARTF 0x0 1262306a36Sopenharmony_ci#define MT7620_GPIO_MODE_PCM_UARTF 0x1 1362306a36Sopenharmony_ci#define MT7620_GPIO_MODE_PCM_I2S 0x2 1462306a36Sopenharmony_ci#define MT7620_GPIO_MODE_I2S_UARTF 0x3 1562306a36Sopenharmony_ci#define MT7620_GPIO_MODE_PCM_GPIO 0x4 1662306a36Sopenharmony_ci#define MT7620_GPIO_MODE_GPIO_UARTF 0x5 1762306a36Sopenharmony_ci#define MT7620_GPIO_MODE_GPIO_I2S 0x6 1862306a36Sopenharmony_ci#define MT7620_GPIO_MODE_GPIO 0x7 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci#define MT7620_GPIO_MODE_NAND 0 2162306a36Sopenharmony_ci#define MT7620_GPIO_MODE_SD 1 2262306a36Sopenharmony_ci#define MT7620_GPIO_MODE_ND_SD_GPIO 2 2362306a36Sopenharmony_ci#define MT7620_GPIO_MODE_ND_SD_MASK 0x3 2462306a36Sopenharmony_ci#define MT7620_GPIO_MODE_ND_SD_SHIFT 18 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci#define MT7620_GPIO_MODE_PCIE_RST 0 2762306a36Sopenharmony_ci#define MT7620_GPIO_MODE_PCIE_REF 1 2862306a36Sopenharmony_ci#define MT7620_GPIO_MODE_PCIE_GPIO 2 2962306a36Sopenharmony_ci#define MT7620_GPIO_MODE_PCIE_MASK 0x3 3062306a36Sopenharmony_ci#define MT7620_GPIO_MODE_PCIE_SHIFT 16 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ci#define MT7620_GPIO_MODE_WDT_RST 0 3362306a36Sopenharmony_ci#define MT7620_GPIO_MODE_WDT_REF 1 3462306a36Sopenharmony_ci#define MT7620_GPIO_MODE_WDT_GPIO 2 3562306a36Sopenharmony_ci#define MT7620_GPIO_MODE_WDT_MASK 0x3 3662306a36Sopenharmony_ci#define MT7620_GPIO_MODE_WDT_SHIFT 21 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ci#define MT7620_GPIO_MODE_MDIO 0 3962306a36Sopenharmony_ci#define MT7620_GPIO_MODE_MDIO_REFCLK 1 4062306a36Sopenharmony_ci#define MT7620_GPIO_MODE_MDIO_GPIO 2 4162306a36Sopenharmony_ci#define MT7620_GPIO_MODE_MDIO_MASK 0x3 4262306a36Sopenharmony_ci#define MT7620_GPIO_MODE_MDIO_SHIFT 7 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_ci#define MT7620_GPIO_MODE_I2C 0 4562306a36Sopenharmony_ci#define MT7620_GPIO_MODE_UART1 5 4662306a36Sopenharmony_ci#define MT7620_GPIO_MODE_RGMII1 9 4762306a36Sopenharmony_ci#define MT7620_GPIO_MODE_RGMII2 10 4862306a36Sopenharmony_ci#define MT7620_GPIO_MODE_SPI 11 4962306a36Sopenharmony_ci#define MT7620_GPIO_MODE_SPI_REF_CLK 12 5062306a36Sopenharmony_ci#define MT7620_GPIO_MODE_WLED 13 5162306a36Sopenharmony_ci#define MT7620_GPIO_MODE_JTAG 15 5262306a36Sopenharmony_ci#define MT7620_GPIO_MODE_EPHY 15 5362306a36Sopenharmony_ci#define MT7620_GPIO_MODE_PA 20 5462306a36Sopenharmony_ci 5562306a36Sopenharmony_cistatic struct mtmips_pmx_func i2c_grp[] = { FUNC("i2c", 0, 1, 2) }; 5662306a36Sopenharmony_cistatic struct mtmips_pmx_func spi_grp[] = { FUNC("spi", 0, 3, 4) }; 5762306a36Sopenharmony_cistatic struct mtmips_pmx_func uartlite_grp[] = { FUNC("uartlite", 0, 15, 2) }; 5862306a36Sopenharmony_cistatic struct mtmips_pmx_func mdio_grp[] = { 5962306a36Sopenharmony_ci FUNC("mdio", MT7620_GPIO_MODE_MDIO, 22, 2), 6062306a36Sopenharmony_ci FUNC("refclk", MT7620_GPIO_MODE_MDIO_REFCLK, 22, 2), 6162306a36Sopenharmony_ci}; 6262306a36Sopenharmony_cistatic struct mtmips_pmx_func rgmii1_grp[] = { FUNC("rgmii1", 0, 24, 12) }; 6362306a36Sopenharmony_cistatic struct mtmips_pmx_func refclk_grp[] = { FUNC("spi refclk", 0, 37, 3) }; 6462306a36Sopenharmony_cistatic struct mtmips_pmx_func ephy_grp[] = { FUNC("ephy", 0, 40, 5) }; 6562306a36Sopenharmony_cistatic struct mtmips_pmx_func rgmii2_grp[] = { FUNC("rgmii2", 0, 60, 12) }; 6662306a36Sopenharmony_cistatic struct mtmips_pmx_func wled_grp[] = { FUNC("wled", 0, 72, 1) }; 6762306a36Sopenharmony_cistatic struct mtmips_pmx_func pa_grp[] = { FUNC("pa", 0, 18, 4) }; 6862306a36Sopenharmony_cistatic struct mtmips_pmx_func uartf_grp[] = { 6962306a36Sopenharmony_ci FUNC("uartf", MT7620_GPIO_MODE_UARTF, 7, 8), 7062306a36Sopenharmony_ci FUNC("pcm uartf", MT7620_GPIO_MODE_PCM_UARTF, 7, 8), 7162306a36Sopenharmony_ci FUNC("pcm i2s", MT7620_GPIO_MODE_PCM_I2S, 7, 8), 7262306a36Sopenharmony_ci FUNC("i2s uartf", MT7620_GPIO_MODE_I2S_UARTF, 7, 8), 7362306a36Sopenharmony_ci FUNC("pcm gpio", MT7620_GPIO_MODE_PCM_GPIO, 11, 4), 7462306a36Sopenharmony_ci FUNC("gpio uartf", MT7620_GPIO_MODE_GPIO_UARTF, 7, 4), 7562306a36Sopenharmony_ci FUNC("gpio i2s", MT7620_GPIO_MODE_GPIO_I2S, 7, 4), 7662306a36Sopenharmony_ci}; 7762306a36Sopenharmony_cistatic struct mtmips_pmx_func wdt_grp[] = { 7862306a36Sopenharmony_ci FUNC("wdt rst", 0, 17, 1), 7962306a36Sopenharmony_ci FUNC("wdt refclk", 0, 17, 1), 8062306a36Sopenharmony_ci }; 8162306a36Sopenharmony_cistatic struct mtmips_pmx_func pcie_rst_grp[] = { 8262306a36Sopenharmony_ci FUNC("pcie rst", MT7620_GPIO_MODE_PCIE_RST, 36, 1), 8362306a36Sopenharmony_ci FUNC("pcie refclk", MT7620_GPIO_MODE_PCIE_REF, 36, 1) 8462306a36Sopenharmony_ci}; 8562306a36Sopenharmony_cistatic struct mtmips_pmx_func nd_sd_grp[] = { 8662306a36Sopenharmony_ci FUNC("nand", MT7620_GPIO_MODE_NAND, 45, 15), 8762306a36Sopenharmony_ci FUNC("sd", MT7620_GPIO_MODE_SD, 47, 13) 8862306a36Sopenharmony_ci}; 8962306a36Sopenharmony_ci 9062306a36Sopenharmony_cistatic struct mtmips_pmx_group mt7620a_pinmux_data[] = { 9162306a36Sopenharmony_ci GRP("i2c", i2c_grp, 1, MT7620_GPIO_MODE_I2C), 9262306a36Sopenharmony_ci GRP("uartf", uartf_grp, MT7620_GPIO_MODE_UART0_MASK, 9362306a36Sopenharmony_ci MT7620_GPIO_MODE_UART0_SHIFT), 9462306a36Sopenharmony_ci GRP("spi", spi_grp, 1, MT7620_GPIO_MODE_SPI), 9562306a36Sopenharmony_ci GRP("uartlite", uartlite_grp, 1, MT7620_GPIO_MODE_UART1), 9662306a36Sopenharmony_ci GRP_G("wdt", wdt_grp, MT7620_GPIO_MODE_WDT_MASK, 9762306a36Sopenharmony_ci MT7620_GPIO_MODE_WDT_GPIO, MT7620_GPIO_MODE_WDT_SHIFT), 9862306a36Sopenharmony_ci GRP_G("mdio", mdio_grp, MT7620_GPIO_MODE_MDIO_MASK, 9962306a36Sopenharmony_ci MT7620_GPIO_MODE_MDIO_GPIO, MT7620_GPIO_MODE_MDIO_SHIFT), 10062306a36Sopenharmony_ci GRP("rgmii1", rgmii1_grp, 1, MT7620_GPIO_MODE_RGMII1), 10162306a36Sopenharmony_ci GRP("spi refclk", refclk_grp, 1, MT7620_GPIO_MODE_SPI_REF_CLK), 10262306a36Sopenharmony_ci GRP_G("pcie", pcie_rst_grp, MT7620_GPIO_MODE_PCIE_MASK, 10362306a36Sopenharmony_ci MT7620_GPIO_MODE_PCIE_GPIO, MT7620_GPIO_MODE_PCIE_SHIFT), 10462306a36Sopenharmony_ci GRP_G("nd_sd", nd_sd_grp, MT7620_GPIO_MODE_ND_SD_MASK, 10562306a36Sopenharmony_ci MT7620_GPIO_MODE_ND_SD_GPIO, MT7620_GPIO_MODE_ND_SD_SHIFT), 10662306a36Sopenharmony_ci GRP("rgmii2", rgmii2_grp, 1, MT7620_GPIO_MODE_RGMII2), 10762306a36Sopenharmony_ci GRP("wled", wled_grp, 1, MT7620_GPIO_MODE_WLED), 10862306a36Sopenharmony_ci GRP("ephy", ephy_grp, 1, MT7620_GPIO_MODE_EPHY), 10962306a36Sopenharmony_ci GRP("pa", pa_grp, 1, MT7620_GPIO_MODE_PA), 11062306a36Sopenharmony_ci { 0 } 11162306a36Sopenharmony_ci}; 11262306a36Sopenharmony_ci 11362306a36Sopenharmony_cistatic int mt7620_pinctrl_probe(struct platform_device *pdev) 11462306a36Sopenharmony_ci{ 11562306a36Sopenharmony_ci return mtmips_pinctrl_init(pdev, mt7620a_pinmux_data); 11662306a36Sopenharmony_ci} 11762306a36Sopenharmony_ci 11862306a36Sopenharmony_cistatic const struct of_device_id mt7620_pinctrl_match[] = { 11962306a36Sopenharmony_ci { .compatible = "ralink,mt7620-pinctrl" }, 12062306a36Sopenharmony_ci { .compatible = "ralink,rt2880-pinmux" }, 12162306a36Sopenharmony_ci {} 12262306a36Sopenharmony_ci}; 12362306a36Sopenharmony_ciMODULE_DEVICE_TABLE(of, mt7620_pinctrl_match); 12462306a36Sopenharmony_ci 12562306a36Sopenharmony_cistatic struct platform_driver mt7620_pinctrl_driver = { 12662306a36Sopenharmony_ci .probe = mt7620_pinctrl_probe, 12762306a36Sopenharmony_ci .driver = { 12862306a36Sopenharmony_ci .name = "mt7620-pinctrl", 12962306a36Sopenharmony_ci .of_match_table = mt7620_pinctrl_match, 13062306a36Sopenharmony_ci }, 13162306a36Sopenharmony_ci}; 13262306a36Sopenharmony_ci 13362306a36Sopenharmony_cistatic int __init mt7620_pinctrl_init(void) 13462306a36Sopenharmony_ci{ 13562306a36Sopenharmony_ci return platform_driver_register(&mt7620_pinctrl_driver); 13662306a36Sopenharmony_ci} 13762306a36Sopenharmony_cicore_initcall_sync(mt7620_pinctrl_init); 138