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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Allwinner H616 R_PIO pin controller driver
   4  *
   5  * Copyright (C) 2020 Arm Ltd.
   6  * Based on former work, which is:
   7  *   Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
   8  */
   9
  10 #include <linux/init.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/of.h>
  13 #include <linux/of_device.h>
  14 #include <linux/pinctrl/pinctrl.h>
  15 #include <linux/reset.h>
  16
  17 #include "pinctrl-sunxi.h"
  18
  19 static const struct sunxi_desc_pin sun50i_h616_r_pins[] = {
  20         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
  21                   SUNXI_FUNCTION(0x0, "gpio_in"),
  22                   SUNXI_FUNCTION(0x1, "gpio_out"),
  23                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SCK */
  24                   SUNXI_FUNCTION(0x3, "s_i2c")),        /* SCK */
  25         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  26                   SUNXI_FUNCTION(0x0, "gpio_in"),
  27                   SUNXI_FUNCTION(0x1, "gpio_out"),
  28                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SDA */
  29                   SUNXI_FUNCTION(0x3, "s_i2c")),        /* SDA */
  30 };
  31
  32 static const struct sunxi_pinctrl_desc sun50i_h616_r_pinctrl_data = {
  33         .pins = sun50i_h616_r_pins,
  34         .npins = ARRAY_SIZE(sun50i_h616_r_pins),
  35         .pin_base = PL_BASE,
  36 };
  37
  38 static int sun50i_h616_r_pinctrl_probe(struct platform_device *pdev)
  39 {
  40         return sunxi_pinctrl_init(pdev,
  41                                   &sun50i_h616_r_pinctrl_data);
  42 }
  43
  44 static const struct of_device_id sun50i_h616_r_pinctrl_match[] = {
  45         { .compatible = "allwinner,sun50i-h616-r-pinctrl", },
  46         {}
  47 };
  48
  49 static struct platform_driver sun50i_h616_r_pinctrl_driver = {
  50         .probe  = sun50i_h616_r_pinctrl_probe,
  51         .driver = {
  52                 .name           = "sun50i-h616-r-pinctrl",
  53                 .of_match_table = sun50i_h616_r_pinctrl_match,
  54         },
  55 };
  56 builtin_platform_driver(sun50i_h616_r_pinctrl_driver);