// SPDX-License-Identifier: GPL-2.0-only

#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include "pinctrl-mtmips.h"

#define RT2880_GPIO_MODE_I2C            BIT(0)
#define RT2880_GPIO_MODE_UART0          BIT(1)
#define RT2880_GPIO_MODE_SPI            BIT(2)
#define RT2880_GPIO_MODE_UART1          BIT(3)
#define RT2880_GPIO_MODE_JTAG           BIT(4)
#define RT2880_GPIO_MODE_MDIO           BIT(5)
#define RT2880_GPIO_MODE_SDRAM          BIT(6)
#define RT2880_GPIO_MODE_PCI            BIT(7)

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, 7, 8) };
static struct mtmips_pmx_func jtag_grp[] = { FUNC("jtag", 0, 17, 5) };
static struct mtmips_pmx_func mdio_grp[] = { FUNC("mdio", 0, 22, 2) };
static struct mtmips_pmx_func sdram_grp[] = { FUNC("sdram", 0, 24, 16) };
static struct mtmips_pmx_func pci_grp[] = { FUNC("pci", 0, 40, 32) };

static struct mtmips_pmx_group rt2880_pinmux_data_act[] = {
        GRP("i2c", i2c_grp, 1, RT2880_GPIO_MODE_I2C),
        GRP("spi", spi_grp, 1, RT2880_GPIO_MODE_SPI),
        GRP("uartlite", uartlite_grp, 1, RT2880_GPIO_MODE_UART0),
        GRP("jtag", jtag_grp, 1, RT2880_GPIO_MODE_JTAG),
        GRP("mdio", mdio_grp, 1, RT2880_GPIO_MODE_MDIO),
        GRP("sdram", sdram_grp, 1, RT2880_GPIO_MODE_SDRAM),
        GRP("pci", pci_grp, 1, RT2880_GPIO_MODE_PCI),
        { 0 }
};

static int rt2880_pinctrl_probe(struct platform_device *pdev)
{
        return mtmips_pinctrl_init(pdev, rt2880_pinmux_data_act);
}

static const struct of_device_id rt2880_pinctrl_match[] = {
        { .compatible = "ralink,rt2880-pinctrl" },
        { .compatible = "ralink,rt2880-pinmux" },
        {}
};
MODULE_DEVICE_TABLE(of, rt2880_pinctrl_match);

static struct platform_driver rt2880_pinctrl_driver = {
        .probe = rt2880_pinctrl_probe,
        .driver = {
                .name = "rt2880-pinctrl",
                .of_match_table = rt2880_pinctrl_match,
        },
};

static int __init rt2880_pinctrl_init(void)
{
        return platform_driver_register(&rt2880_pinctrl_driver);
}
core_initcall_sync(rt2880_pinctrl_init);