118 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2 3#include <linux/module.h>4#include <linux/platform_device.h>5#include <linux/of.h>6#include "pinctrl-mtmips.h"7 8#define MT7621_GPIO_MODE_UART1 19#define MT7621_GPIO_MODE_I2C 210#define MT7621_GPIO_MODE_UART3_MASK 0x311#define MT7621_GPIO_MODE_UART3_SHIFT 312#define MT7621_GPIO_MODE_UART3_GPIO 113#define MT7621_GPIO_MODE_UART2_MASK 0x314#define MT7621_GPIO_MODE_UART2_SHIFT 515#define MT7621_GPIO_MODE_UART2_GPIO 116#define MT7621_GPIO_MODE_JTAG 717#define MT7621_GPIO_MODE_WDT_MASK 0x318#define MT7621_GPIO_MODE_WDT_SHIFT 819#define MT7621_GPIO_MODE_WDT_GPIO 120#define MT7621_GPIO_MODE_PCIE_RST 021#define MT7621_GPIO_MODE_PCIE_REF 222#define MT7621_GPIO_MODE_PCIE_MASK 0x323#define MT7621_GPIO_MODE_PCIE_SHIFT 1024#define MT7621_GPIO_MODE_PCIE_GPIO 125#define MT7621_GPIO_MODE_MDIO_MASK 0x326#define MT7621_GPIO_MODE_MDIO_SHIFT 1227#define MT7621_GPIO_MODE_MDIO_GPIO 128#define MT7621_GPIO_MODE_RGMII1 1429#define MT7621_GPIO_MODE_RGMII2 1530#define MT7621_GPIO_MODE_SPI_MASK 0x331#define MT7621_GPIO_MODE_SPI_SHIFT 1632#define MT7621_GPIO_MODE_SPI_GPIO 133#define MT7621_GPIO_MODE_SDHCI_MASK 0x334#define MT7621_GPIO_MODE_SDHCI_SHIFT 1835#define MT7621_GPIO_MODE_SDHCI_GPIO 136 37static struct mtmips_pmx_func uart1_grp[] = { FUNC("uart1", 0, 1, 2) };38static struct mtmips_pmx_func i2c_grp[] = { FUNC("i2c", 0, 3, 2) };39static struct mtmips_pmx_func uart3_grp[] = {40 FUNC("uart3", 0, 5, 4),41 FUNC("i2s", 2, 5, 4),42 FUNC("spdif3", 3, 5, 4),43};44static struct mtmips_pmx_func uart2_grp[] = {45 FUNC("uart2", 0, 9, 4),46 FUNC("pcm", 2, 9, 4),47 FUNC("spdif2", 3, 9, 4),48};49static struct mtmips_pmx_func jtag_grp[] = { FUNC("jtag", 0, 13, 5) };50static struct mtmips_pmx_func wdt_grp[] = {51 FUNC("wdt rst", 0, 18, 1),52 FUNC("wdt refclk", 2, 18, 1),53};54static struct mtmips_pmx_func pcie_rst_grp[] = {55 FUNC("pcie rst", MT7621_GPIO_MODE_PCIE_RST, 19, 1),56 FUNC("pcie refclk", MT7621_GPIO_MODE_PCIE_REF, 19, 1)57};58static struct mtmips_pmx_func mdio_grp[] = { FUNC("mdio", 0, 20, 2) };59static struct mtmips_pmx_func rgmii2_grp[] = { FUNC("rgmii2", 0, 22, 12) };60static struct mtmips_pmx_func spi_grp[] = {61 FUNC("spi", 0, 34, 7),62 FUNC("nand1", 2, 34, 7),63};64static struct mtmips_pmx_func sdhci_grp[] = {65 FUNC("sdhci", 0, 41, 8),66 FUNC("nand2", 2, 41, 8),67};68static struct mtmips_pmx_func rgmii1_grp[] = { FUNC("rgmii1", 0, 49, 12) };69 70static struct mtmips_pmx_group mt7621_pinmux_data[] = {71 GRP("uart1", uart1_grp, 1, MT7621_GPIO_MODE_UART1),72 GRP("i2c", i2c_grp, 1, MT7621_GPIO_MODE_I2C),73 GRP_G("uart3", uart3_grp, MT7621_GPIO_MODE_UART3_MASK,74 MT7621_GPIO_MODE_UART3_GPIO, MT7621_GPIO_MODE_UART3_SHIFT),75 GRP_G("uart2", uart2_grp, MT7621_GPIO_MODE_UART2_MASK,76 MT7621_GPIO_MODE_UART2_GPIO, MT7621_GPIO_MODE_UART2_SHIFT),77 GRP("jtag", jtag_grp, 1, MT7621_GPIO_MODE_JTAG),78 GRP_G("wdt", wdt_grp, MT7621_GPIO_MODE_WDT_MASK,79 MT7621_GPIO_MODE_WDT_GPIO, MT7621_GPIO_MODE_WDT_SHIFT),80 GRP_G("pcie", pcie_rst_grp, MT7621_GPIO_MODE_PCIE_MASK,81 MT7621_GPIO_MODE_PCIE_GPIO, MT7621_GPIO_MODE_PCIE_SHIFT),82 GRP_G("mdio", mdio_grp, MT7621_GPIO_MODE_MDIO_MASK,83 MT7621_GPIO_MODE_MDIO_GPIO, MT7621_GPIO_MODE_MDIO_SHIFT),84 GRP("rgmii2", rgmii2_grp, 1, MT7621_GPIO_MODE_RGMII2),85 GRP_G("spi", spi_grp, MT7621_GPIO_MODE_SPI_MASK,86 MT7621_GPIO_MODE_SPI_GPIO, MT7621_GPIO_MODE_SPI_SHIFT),87 GRP_G("sdhci", sdhci_grp, MT7621_GPIO_MODE_SDHCI_MASK,88 MT7621_GPIO_MODE_SDHCI_GPIO, MT7621_GPIO_MODE_SDHCI_SHIFT),89 GRP("rgmii1", rgmii1_grp, 1, MT7621_GPIO_MODE_RGMII1),90 { 0 }91};92 93static int mt7621_pinctrl_probe(struct platform_device *pdev)94{95 return mtmips_pinctrl_init(pdev, mt7621_pinmux_data);96}97 98static const struct of_device_id mt7621_pinctrl_match[] = {99 { .compatible = "ralink,mt7621-pinctrl" },100 { .compatible = "ralink,rt2880-pinmux" },101 {}102};103MODULE_DEVICE_TABLE(of, mt7621_pinctrl_match);104 105static struct platform_driver mt7621_pinctrl_driver = {106 .probe = mt7621_pinctrl_probe,107 .driver = {108 .name = "mt7621-pinctrl",109 .of_match_table = mt7621_pinctrl_match,110 },111};112 113static int __init mt7621_pinctrl_init(void)114{115 return platform_driver_register(&mt7621_pinctrl_driver);116}117core_initcall_sync(mt7621_pinctrl_init);118