118 lines
4.0 KiB
C
118 lines
4.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/of.h>
|
|
#include "pinctrl-ralink.h"
|
|
|
|
#define MT7621_GPIO_MODE_UART1 1
|
|
#define MT7621_GPIO_MODE_I2C 2
|
|
#define MT7621_GPIO_MODE_UART3_MASK 0x3
|
|
#define MT7621_GPIO_MODE_UART3_SHIFT 3
|
|
#define MT7621_GPIO_MODE_UART3_GPIO 1
|
|
#define MT7621_GPIO_MODE_UART2_MASK 0x3
|
|
#define MT7621_GPIO_MODE_UART2_SHIFT 5
|
|
#define MT7621_GPIO_MODE_UART2_GPIO 1
|
|
#define MT7621_GPIO_MODE_JTAG 7
|
|
#define MT7621_GPIO_MODE_WDT_MASK 0x3
|
|
#define MT7621_GPIO_MODE_WDT_SHIFT 8
|
|
#define MT7621_GPIO_MODE_WDT_GPIO 1
|
|
#define MT7621_GPIO_MODE_PCIE_RST 0
|
|
#define MT7621_GPIO_MODE_PCIE_REF 2
|
|
#define MT7621_GPIO_MODE_PCIE_MASK 0x3
|
|
#define MT7621_GPIO_MODE_PCIE_SHIFT 10
|
|
#define MT7621_GPIO_MODE_PCIE_GPIO 1
|
|
#define MT7621_GPIO_MODE_MDIO_MASK 0x3
|
|
#define MT7621_GPIO_MODE_MDIO_SHIFT 12
|
|
#define MT7621_GPIO_MODE_MDIO_GPIO 1
|
|
#define MT7621_GPIO_MODE_RGMII1 14
|
|
#define MT7621_GPIO_MODE_RGMII2 15
|
|
#define MT7621_GPIO_MODE_SPI_MASK 0x3
|
|
#define MT7621_GPIO_MODE_SPI_SHIFT 16
|
|
#define MT7621_GPIO_MODE_SPI_GPIO 1
|
|
#define MT7621_GPIO_MODE_SDHCI_MASK 0x3
|
|
#define MT7621_GPIO_MODE_SDHCI_SHIFT 18
|
|
#define MT7621_GPIO_MODE_SDHCI_GPIO 1
|
|
|
|
static struct ralink_pmx_func uart1_grp[] = { FUNC("uart1", 0, 1, 2) };
|
|
static struct ralink_pmx_func i2c_grp[] = { FUNC("i2c", 0, 3, 2) };
|
|
static struct ralink_pmx_func uart3_grp[] = {
|
|
FUNC("uart3", 0, 5, 4),
|
|
FUNC("i2s", 2, 5, 4),
|
|
FUNC("spdif3", 3, 5, 4),
|
|
};
|
|
static struct ralink_pmx_func uart2_grp[] = {
|
|
FUNC("uart2", 0, 9, 4),
|
|
FUNC("pcm", 2, 9, 4),
|
|
FUNC("spdif2", 3, 9, 4),
|
|
};
|
|
static struct ralink_pmx_func jtag_grp[] = { FUNC("jtag", 0, 13, 5) };
|
|
static struct ralink_pmx_func wdt_grp[] = {
|
|
FUNC("wdt rst", 0, 18, 1),
|
|
FUNC("wdt refclk", 2, 18, 1),
|
|
};
|
|
static struct ralink_pmx_func pcie_rst_grp[] = {
|
|
FUNC("pcie rst", MT7621_GPIO_MODE_PCIE_RST, 19, 1),
|
|
FUNC("pcie refclk", MT7621_GPIO_MODE_PCIE_REF, 19, 1)
|
|
};
|
|
static struct ralink_pmx_func mdio_grp[] = { FUNC("mdio", 0, 20, 2) };
|
|
static struct ralink_pmx_func rgmii2_grp[] = { FUNC("rgmii2", 0, 22, 12) };
|
|
static struct ralink_pmx_func spi_grp[] = {
|
|
FUNC("spi", 0, 34, 7),
|
|
FUNC("nand1", 2, 34, 7),
|
|
};
|
|
static struct ralink_pmx_func sdhci_grp[] = {
|
|
FUNC("sdhci", 0, 41, 8),
|
|
FUNC("nand2", 2, 41, 8),
|
|
};
|
|
static struct ralink_pmx_func rgmii1_grp[] = { FUNC("rgmii1", 0, 49, 12) };
|
|
|
|
static struct ralink_pmx_group mt7621_pinmux_data[] = {
|
|
GRP("uart1", uart1_grp, 1, MT7621_GPIO_MODE_UART1),
|
|
GRP("i2c", i2c_grp, 1, MT7621_GPIO_MODE_I2C),
|
|
GRP_G("uart3", uart3_grp, MT7621_GPIO_MODE_UART3_MASK,
|
|
MT7621_GPIO_MODE_UART3_GPIO, MT7621_GPIO_MODE_UART3_SHIFT),
|
|
GRP_G("uart2", uart2_grp, MT7621_GPIO_MODE_UART2_MASK,
|
|
MT7621_GPIO_MODE_UART2_GPIO, MT7621_GPIO_MODE_UART2_SHIFT),
|
|
GRP("jtag", jtag_grp, 1, MT7621_GPIO_MODE_JTAG),
|
|
GRP_G("wdt", wdt_grp, MT7621_GPIO_MODE_WDT_MASK,
|
|
MT7621_GPIO_MODE_WDT_GPIO, MT7621_GPIO_MODE_WDT_SHIFT),
|
|
GRP_G("pcie", pcie_rst_grp, MT7621_GPIO_MODE_PCIE_MASK,
|
|
MT7621_GPIO_MODE_PCIE_GPIO, MT7621_GPIO_MODE_PCIE_SHIFT),
|
|
GRP_G("mdio", mdio_grp, MT7621_GPIO_MODE_MDIO_MASK,
|
|
MT7621_GPIO_MODE_MDIO_GPIO, MT7621_GPIO_MODE_MDIO_SHIFT),
|
|
GRP("rgmii2", rgmii2_grp, 1, MT7621_GPIO_MODE_RGMII2),
|
|
GRP_G("spi", spi_grp, MT7621_GPIO_MODE_SPI_MASK,
|
|
MT7621_GPIO_MODE_SPI_GPIO, MT7621_GPIO_MODE_SPI_SHIFT),
|
|
GRP_G("sdhci", sdhci_grp, MT7621_GPIO_MODE_SDHCI_MASK,
|
|
MT7621_GPIO_MODE_SDHCI_GPIO, MT7621_GPIO_MODE_SDHCI_SHIFT),
|
|
GRP("rgmii1", rgmii1_grp, 1, MT7621_GPIO_MODE_RGMII1),
|
|
{ 0 }
|
|
};
|
|
|
|
static int mt7621_pinctrl_probe(struct platform_device *pdev)
|
|
{
|
|
return ralink_pinctrl_init(pdev, mt7621_pinmux_data);
|
|
}
|
|
|
|
static const struct of_device_id mt7621_pinctrl_match[] = {
|
|
{ .compatible = "ralink,mt7621-pinctrl" },
|
|
{ .compatible = "ralink,rt2880-pinmux" },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, mt7621_pinctrl_match);
|
|
|
|
static struct platform_driver mt7621_pinctrl_driver = {
|
|
.probe = mt7621_pinctrl_probe,
|
|
.driver = {
|
|
.name = "mt7621-pinctrl",
|
|
.of_match_table = mt7621_pinctrl_match,
|
|
},
|
|
};
|
|
|
|
static int __init mt7621_pinctrl_init(void)
|
|
{
|
|
return platform_driver_register(&mt7621_pinctrl_driver);
|
|
}
|
|
core_initcall_sync(mt7621_pinctrl_init);
|