// SPDX-License-Identifier: GPL-2.0
/*
 * Allwinner H616 R_PIO pin controller driver
 *
 * Copyright (C) 2020 Arm Ltd.
 * Based on former work, which is:
 *   Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
 */

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

#include "pinctrl-sunxi.h"

static const struct sunxi_desc_pin sun50i_h616_r_pins[] = {
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_rsb"),         /* SCK */
                  SUNXI_FUNCTION(0x3, "s_i2c")),        /* SCK */
        SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
                  SUNXI_FUNCTION(0x0, "gpio_in"),
                  SUNXI_FUNCTION(0x1, "gpio_out"),
                  SUNXI_FUNCTION(0x2, "s_rsb"),         /* SDA */
                  SUNXI_FUNCTION(0x3, "s_i2c")),        /* SDA */
};

static const struct sunxi_pinctrl_desc sun50i_h616_r_pinctrl_data = {
        .pins = sun50i_h616_r_pins,
        .npins = ARRAY_SIZE(sun50i_h616_r_pins),
        .pin_base = PL_BASE,
};

static int sun50i_h616_r_pinctrl_probe(struct platform_device *pdev)
{
        return sunxi_pinctrl_init(pdev,
                                  &sun50i_h616_r_pinctrl_data);
}

static const struct of_device_id sun50i_h616_r_pinctrl_match[] = {
        { .compatible = "allwinner,sun50i-h616-r-pinctrl", },
        {}
};

static struct platform_driver sun50i_h616_r_pinctrl_driver = {
        .probe  = sun50i_h616_r_pinctrl_probe,
        .driver = {
                .name           = "sun50i-h616-r-pinctrl",
                .of_match_table = sun50i_h616_r_pinctrl_match,
        },
};
builtin_platform_driver(sun50i_h616_r_pinctrl_driver);