drivers/pinctrl/sunxi/pinctrl-sun50i-h6-r.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Allwinner H6 R_PIO pin controller driver
   4  *
   5  * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
   6  *
   7  * Based on pinctrl-sun6i-a31-r.c, which is:
   8  *   Copyright (C) 2014 Boris Brezillon
   9  *   Boris Brezillon <boris.brezillon@free-electrons.com>
  10  *   Copyright (C) 2014 Maxime Ripard
  11  *   Maxime Ripard <maxime.ripard@free-electrons.com>
  12  */
  13
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/of.h>
  17 #include <linux/of_device.h>
  18 #include <linux/pinctrl/pinctrl.h>
  19 #include <linux/reset.h>
  20
  21 #include "pinctrl-sunxi.h"
  22
  23 static const struct sunxi_desc_pin sun50i_h6_r_pins[] = {
  24         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
  25                   SUNXI_FUNCTION(0x0, "gpio_in"),
  26                   SUNXI_FUNCTION(0x1, "gpio_out"),
  27                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SCK */
  28                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),  /* PL_EINT0 */
  29         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  30                   SUNXI_FUNCTION(0x0, "gpio_in"),
  31                   SUNXI_FUNCTION(0x1, "gpio_out"),
  32                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SDA */
  33                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),  /* PL_EINT1 */
  34         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
  35                   SUNXI_FUNCTION(0x0, "gpio_in"),
  36                   SUNXI_FUNCTION(0x1, "gpio_out"),
  37                   SUNXI_FUNCTION(0x2, "s_uart"),        /* TX */
  38                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),  /* PL_EINT2 */
  39         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
  40                   SUNXI_FUNCTION(0x0, "gpio_in"),
  41                   SUNXI_FUNCTION(0x1, "gpio_out"),
  42                   SUNXI_FUNCTION(0x2, "s_uart"),        /* RX */
  43                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),  /* PL_EINT3 */
  44         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
  45                   SUNXI_FUNCTION(0x0, "gpio_in"),
  46                   SUNXI_FUNCTION(0x1, "gpio_out"),
  47                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* MS */
  48                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),  /* PL_EINT4 */
  49         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
  50                   SUNXI_FUNCTION(0x0, "gpio_in"),
  51                   SUNXI_FUNCTION(0x1, "gpio_out"),
  52                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* CK */
  53                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),  /* PL_EINT5 */
  54         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
  55                   SUNXI_FUNCTION(0x0, "gpio_in"),
  56                   SUNXI_FUNCTION(0x1, "gpio_out"),
  57                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DO */
  58                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),  /* PL_EINT6 */
  59         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
  60                   SUNXI_FUNCTION(0x0, "gpio_in"),
  61                   SUNXI_FUNCTION(0x1, "gpio_out"),
  62                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DI */
  63                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),  /* PL_EINT7 */
  64         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
  65                   SUNXI_FUNCTION(0x0, "gpio_in"),
  66                   SUNXI_FUNCTION(0x1, "gpio_out"),
  67                   SUNXI_FUNCTION(0x2, "s_pwm"),
  68                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),  /* PL_EINT8 */
  69         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
  70                   SUNXI_FUNCTION(0x0, "gpio_in"),
  71                   SUNXI_FUNCTION(0x1, "gpio_out"),
  72                   SUNXI_FUNCTION(0x2, "s_cir_rx"),
  73                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),  /* PL_EINT9 */
  74         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
  75                   SUNXI_FUNCTION(0x0, "gpio_in"),
  76                   SUNXI_FUNCTION(0x1, "gpio_out"),
  77                   SUNXI_FUNCTION(0x2, "s_w1"),
  78                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */
  79         /* Hole */
  80         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
  81                   SUNXI_FUNCTION(0x0, "gpio_in"),
  82                   SUNXI_FUNCTION(0x1, "gpio_out"),
  83                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)),  /* PM_EINT0 */
  84         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
  85                   SUNXI_FUNCTION(0x0, "gpio_in"),
  86                   SUNXI_FUNCTION(0x1, "gpio_out"),
  87                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)),  /* PM_EINT1 */
  88         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
  89                   SUNXI_FUNCTION(0x0, "gpio_in"),
  90                   SUNXI_FUNCTION(0x1, "gpio_out"),
  91                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2),   /* PM_EINT2 */
  92                   SUNXI_FUNCTION(0x3, "1wire")),
  93         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
  94                   SUNXI_FUNCTION(0x0, "gpio_in"),
  95                   SUNXI_FUNCTION(0x1, "gpio_out"),
  96                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)),  /* PM_EINT3 */
  97         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
  98                   SUNXI_FUNCTION(0x0, "gpio_in"),
  99                   SUNXI_FUNCTION(0x1, "gpio_out"),
 100                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)),  /* PM_EINT4 */
 101 };
 102
 103 static const struct sunxi_pinctrl_desc sun50i_h6_r_pinctrl_data = {
 104         .pins = sun50i_h6_r_pins,
 105         .npins = ARRAY_SIZE(sun50i_h6_r_pins),
 106         .pin_base = PL_BASE,
 107         .irq_banks = 2,
 108 };
 109
 110 static int sun50i_h6_r_pinctrl_probe(struct platform_device *pdev)
 111 {
 112         return sunxi_pinctrl_init(pdev,
 113                                   &sun50i_h6_r_pinctrl_data);
 114 }
 115
 116 static const struct of_device_id sun50i_h6_r_pinctrl_match[] = {
 117         { .compatible = "allwinner,sun50i-h6-r-pinctrl", },
 118         {}
 119 };
 120
 121 static struct platform_driver sun50i_h6_r_pinctrl_driver = {
 122         .probe  = sun50i_h6_r_pinctrl_probe,
 123         .driver = {
 124                 .name           = "sun50i-h6-r-pinctrl",
 125                 .of_match_table = sun50i_h6_r_pinctrl_match,
 126         },
 127 };
 128 builtin_platform_driver(sun50i_h6_r_pinctrl_driver);