pinctrl/sunxi/pinctrl-sun50i-h616-r.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * Allwinner H616 R_PIO pin controller driver
0004  *
0005  * Copyright (C) 2020 Arm Ltd.
0006  * Based on former work, which is:
0007  *   Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
0008  */
0009
0010 #include <linux/init.h>
0011 #include <linux/platform_device.h>
0012 #include <linux/of.h>
0013 #include <linux/of_device.h>
0014 #include <linux/pinctrl/pinctrl.h>
0015
0016 #include "pinctrl-sunxi.h"
0017
0018 static const struct sunxi_desc_pin sun50i_h616_r_pins[] = {
0019     SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
0020           SUNXI_FUNCTION(0x0, "gpio_in"),
0021           SUNXI_FUNCTION(0x1, "gpio_out"),
0022           SUNXI_FUNCTION(0x2, "s_rsb"),     /* SCK */
0023           SUNXI_FUNCTION(0x3, "s_i2c")),    /* SCK */
0024     SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
0025           SUNXI_FUNCTION(0x0, "gpio_in"),
0026           SUNXI_FUNCTION(0x1, "gpio_out"),
0027           SUNXI_FUNCTION(0x2, "s_rsb"),     /* SDA */
0028           SUNXI_FUNCTION(0x3, "s_i2c")),    /* SDA */
0029 };
0030
0031 static const struct sunxi_pinctrl_desc sun50i_h616_r_pinctrl_data = {
0032     .pins = sun50i_h616_r_pins,
0033     .npins = ARRAY_SIZE(sun50i_h616_r_pins),
0034     .pin_base = PL_BASE,
0035 };
0036
0037 static int sun50i_h616_r_pinctrl_probe(struct platform_device *pdev)
0038 {
0039     return sunxi_pinctrl_init(pdev,
0040                   &sun50i_h616_r_pinctrl_data);
0041 }
0042
0043 static const struct of_device_id sun50i_h616_r_pinctrl_match[] = {
0044     { .compatible = "allwinner,sun50i-h616-r-pinctrl", },
0045     {}
0046 };
0047
0048 static struct platform_driver sun50i_h616_r_pinctrl_driver = {
0049     .probe  = sun50i_h616_r_pinctrl_probe,
0050     .driver = {
0051         .name       = "sun50i-h616-r-pinctrl",
0052         .of_match_table = sun50i_h616_r_pinctrl_match,
0053     },
0054 };
0055 builtin_platform_driver(sun50i_h616_r_pinctrl_driver);