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/pinctrl/pinctrl.h>
  14
  15 #include "pinctrl-sunxi.h"
  16
  17 static const struct sunxi_desc_pin sun50i_h616_r_pins[] = {
  18         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
  19                   SUNXI_FUNCTION(0x0, "gpio_in"),
  20                   SUNXI_FUNCTION(0x1, "gpio_out"),
  21                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SCK */
  22                   SUNXI_FUNCTION(0x3, "s_i2c")),        /* SCK */
  23         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  24                   SUNXI_FUNCTION(0x0, "gpio_in"),
  25                   SUNXI_FUNCTION(0x1, "gpio_out"),
  26                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SDA */
  27                   SUNXI_FUNCTION(0x3, "s_i2c")),        /* SDA */
  28 };
  29
  30 static const struct sunxi_pinctrl_desc sun50i_h616_r_pinctrl_data = {
  31         .pins = sun50i_h616_r_pins,
  32         .npins = ARRAY_SIZE(sun50i_h616_r_pins),
  33         .pin_base = PL_BASE,
  34 };
  35
  36 static int sun50i_h616_r_pinctrl_probe(struct platform_device *pdev)
  37 {
  38         return sunxi_pinctrl_init(pdev,
  39                                   &sun50i_h616_r_pinctrl_data);
  40 }
  41
  42 static const struct of_device_id sun50i_h616_r_pinctrl_match[] = {
  43         { .compatible = "allwinner,sun50i-h616-r-pinctrl", },
  44         {}
  45 };
  46
  47 static struct platform_driver sun50i_h616_r_pinctrl_driver = {
  48         .probe  = sun50i_h616_r_pinctrl_probe,
  49         .driver = {
  50                 .name           = "sun50i-h616-r-pinctrl",
  51                 .of_match_table = sun50i_h616_r_pinctrl_match,
  52         },
  53 };
  54 builtin_platform_driver(sun50i_h616_r_pinctrl_driver);