// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2020 Yangtao Li <frank@allwinnertech.com>
 *
 * Based on:
 * huangshuosheng <huangshuosheng@allwinnertech.com>
 */

#include <linux/module.h>
#include <linux/of.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/platform_device.h>

#include "pinctrl-sunxi.h"

static const struct sunxi_desc_pin a100_r_pins[] = {
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_i2c0"),        /* SCK */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_i2c0"),        /* SDA */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_uart0"),       /* TX */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_uart0"),       /* RX */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_jtag"),        /* MS */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_jtag"),        /* CK */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_jtag"),        /* DO */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_jtag"),        /* DI */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_i2c1"),        /* SCK */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_i2c1"),        /* SDA */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_pwm"),
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)),
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x3, "s_cir"),         /* IN */
                  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)),
};

static const struct sunxi_pinctrl_desc a100_r_pinctrl_data = {
        .pins = a100_r_pins,
        .npins = ARRAY_SIZE(a100_r_pins),
        .pin_base = PL_BASE,
        .irq_banks = 1,
        .io_bias_cfg_variant = BIAS_VOLTAGE_PIO_POW_MODE_CTL,
};

static int a100_r_pinctrl_probe(struct platform_device *pdev)
{
        return sunxi_pinctrl_init(pdev, &a100_r_pinctrl_data);
}

static const struct of_device_id a100_r_pinctrl_match[] = {
        { .compatible = "allwinner,sun50i-a100-r-pinctrl", },
        {}
};
MODULE_DEVICE_TABLE(of, a100_r_pinctrl_match);

static struct platform_driver a100_r_pinctrl_driver = {
        .probe  = a100_r_pinctrl_probe,
        .driver = {
                .name           = "sun50i-a100-r-pinctrl",
                .of_match_table = a100_r_pinctrl_match,
        },
};
module_platform_driver(a100_r_pinctrl_driver);