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(0x2, "s_rsb"),         /* SCK */
  28                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SCK */
  29                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),  /* PL_EINT0 */
  30         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  31                   SUNXI_FUNCTION(0x0, "gpio_in"),
  32                   SUNXI_FUNCTION(0x1, "gpio_out"),
  33                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SDA */
  34                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SDA */
  35                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),  /* PL_EINT1 */
  36         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
  37                   SUNXI_FUNCTION(0x0, "gpio_in"),
  38                   SUNXI_FUNCTION(0x1, "gpio_out"),
  39                   SUNXI_FUNCTION(0x2, "s_uart"),        /* TX */
  40                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),  /* PL_EINT2 */
  41         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
  42                   SUNXI_FUNCTION(0x0, "gpio_in"),
  43                   SUNXI_FUNCTION(0x1, "gpio_out"),
  44                   SUNXI_FUNCTION(0x2, "s_uart"),        /* RX */
  45                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),  /* PL_EINT3 */
  46         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
  47                   SUNXI_FUNCTION(0x0, "gpio_in"),
  48                   SUNXI_FUNCTION(0x1, "gpio_out"),
  49                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* MS */
  50                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),  /* PL_EINT4 */
  51         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
  52                   SUNXI_FUNCTION(0x0, "gpio_in"),
  53                   SUNXI_FUNCTION(0x1, "gpio_out"),
  54                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* CK */
  55                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),  /* PL_EINT5 */
  56         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
  57                   SUNXI_FUNCTION(0x0, "gpio_in"),
  58                   SUNXI_FUNCTION(0x1, "gpio_out"),
  59                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DO */
  60                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),  /* PL_EINT6 */
  61         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
  62                   SUNXI_FUNCTION(0x0, "gpio_in"),
  63                   SUNXI_FUNCTION(0x1, "gpio_out"),
  64                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DI */
  65                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),  /* PL_EINT7 */
  66         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
  67                   SUNXI_FUNCTION(0x0, "gpio_in"),
  68                   SUNXI_FUNCTION(0x1, "gpio_out"),
  69                   SUNXI_FUNCTION(0x2, "s_pwm"),
  70                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),  /* PL_EINT8 */
  71         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
  72                   SUNXI_FUNCTION(0x0, "gpio_in"),
  73                   SUNXI_FUNCTION(0x1, "gpio_out"),
  74                   SUNXI_FUNCTION(0x2, "s_cir_rx"),
  75                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),  /* PL_EINT9 */
  76         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
  77                   SUNXI_FUNCTION(0x0, "gpio_in"),
  78                   SUNXI_FUNCTION(0x1, "gpio_out"),
  79                   SUNXI_FUNCTION(0x2, "s_w1"),
  80                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */
  81         /* Hole */
  82         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
  83                   SUNXI_FUNCTION(0x0, "gpio_in"),
  84                   SUNXI_FUNCTION(0x1, "gpio_out"),
  85                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)),  /* PM_EINT0 */
  86         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
  87                   SUNXI_FUNCTION(0x0, "gpio_in"),
  88                   SUNXI_FUNCTION(0x1, "gpio_out"),
  89                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)),  /* PM_EINT1 */
  90         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
  91                   SUNXI_FUNCTION(0x0, "gpio_in"),
  92                   SUNXI_FUNCTION(0x1, "gpio_out"),
  93                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2),   /* PM_EINT2 */
  94                   SUNXI_FUNCTION(0x3, "1wire")),
  95         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
  96                   SUNXI_FUNCTION(0x0, "gpio_in"),
  97                   SUNXI_FUNCTION(0x1, "gpio_out"),
  98                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)),  /* PM_EINT3 */
  99         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
 100                   SUNXI_FUNCTION(0x0, "gpio_in"),
 101                   SUNXI_FUNCTION(0x1, "gpio_out"),
 102                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)),  /* PM_EINT4 */
 103 };
 104
 105 static const struct sunxi_pinctrl_desc sun50i_h6_r_pinctrl_data = {
 106         .pins = sun50i_h6_r_pins,
 107         .npins = ARRAY_SIZE(sun50i_h6_r_pins),
 108         .pin_base = PL_BASE,
 109         .irq_banks = 2,
 110 };
 111
 112 static int sun50i_h6_r_pinctrl_probe(struct platform_device *pdev)
 113 {
 114         return sunxi_pinctrl_init(pdev,
 115                                   &sun50i_h6_r_pinctrl_data);
 116 }
 117
 118 static const struct of_device_id sun50i_h6_r_pinctrl_match[] = {
 119         { .compatible = "allwinner,sun50i-h6-r-pinctrl", },
 120         {}
 121 };
 122
 123 static struct platform_driver sun50i_h6_r_pinctrl_driver = {
 124         .probe  = sun50i_h6_r_pinctrl_probe,
 125         .driver = {
 126                 .name           = "sun50i-h6-r-pinctrl",
 127                 .of_match_table = sun50i_h6_r_pinctrl_match,
 128         },
 129 };
 130 builtin_platform_driver(sun50i_h6_r_pinctrl_driver);