drivers/pinctrl/sunxi/pinctrl-sun8i-a83t-r.c

   1 /*
   2  * Allwinner A83T SoCs special pins pinctrl driver.
   3  *
   4  * Copyright (C) 2017 Chen-Yu Tsai
   5  * Chen-Yu Tsai <wens@csie.org>
   6  *
   7  * Based on pinctrl-sun50i-a64-r.c
   8  *
   9  * Copyright (C) 2016 Icenowy Zheng
  10  * Icenowy Zheng <icenowy@aosc.xyz>
  11  *
  12  * Copyright (C) 2014 Chen-Yu Tsai
  13  * Chen-Yu Tsai <wens@csie.org>
  14  *
  15  * Copyright (C) 2014 Boris Brezillon
  16  * Boris Brezillon <boris.brezillon@free-electrons.com>
  17  *
  18  * Copyright (C) 2014 Maxime Ripard
  19  * Maxime Ripard <maxime.ripard@free-electrons.com>
  20  *
  21  * This file is licensed under the terms of the GNU General Public
  22  * License version 2.  This program is licensed "as is" without any
  23  * warranty of any kind, whether express or implied.
  24  */
  25
  26 #include <linux/of.h>
  27 #include <linux/of_device.h>
  28 #include <linux/pinctrl/pinctrl.h>
  29 #include <linux/platform_device.h>
  30 #include <linux/reset.h>
  31
  32 #include "pinctrl-sunxi.h"
  33
  34 static const struct sunxi_desc_pin sun8i_a83t_r_pins[] = {
  35         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
  36                   SUNXI_FUNCTION(0x0, "gpio_in"),
  37                   SUNXI_FUNCTION(0x1, "gpio_out"),
  38                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SCK */
  39                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SCK */
  40                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),  /* PL_EINT0 */
  41         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  42                   SUNXI_FUNCTION(0x0, "gpio_in"),
  43                   SUNXI_FUNCTION(0x1, "gpio_out"),
  44                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SDA */
  45                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SDA */
  46                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),  /* PL_EINT1 */
  47         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
  48                   SUNXI_FUNCTION(0x0, "gpio_in"),
  49                   SUNXI_FUNCTION(0x1, "gpio_out"),
  50                   SUNXI_FUNCTION(0x2, "s_uart"),        /* TX */
  51                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),  /* PL_EINT2 */
  52         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
  53                   SUNXI_FUNCTION(0x0, "gpio_in"),
  54                   SUNXI_FUNCTION(0x1, "gpio_out"),
  55                   SUNXI_FUNCTION(0x2, "s_uart"),        /* RX */
  56                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),  /* PL_EINT3 */
  57         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
  58                   SUNXI_FUNCTION(0x0, "gpio_in"),
  59                   SUNXI_FUNCTION(0x1, "gpio_out"),
  60                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* MS */
  61                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),  /* PL_EINT4 */
  62         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
  63                   SUNXI_FUNCTION(0x0, "gpio_in"),
  64                   SUNXI_FUNCTION(0x1, "gpio_out"),
  65                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* CK */
  66                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),  /* PL_EINT5 */
  67         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
  68                   SUNXI_FUNCTION(0x0, "gpio_in"),
  69                   SUNXI_FUNCTION(0x1, "gpio_out"),
  70                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DO */
  71                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),  /* PL_EINT6 */
  72         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
  73                   SUNXI_FUNCTION(0x0, "gpio_in"),
  74                   SUNXI_FUNCTION(0x1, "gpio_out"),
  75                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DI */
  76                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),  /* PL_EINT7 */
  77         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
  78                   SUNXI_FUNCTION(0x0, "gpio_in"),
  79                   SUNXI_FUNCTION(0x1, "gpio_out"),
  80                   SUNXI_FUNCTION(0x2, "s_i2c"),         /* SCK */
  81                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),  /* PL_EINT8 */
  82         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
  83                   SUNXI_FUNCTION(0x0, "gpio_in"),
  84                   SUNXI_FUNCTION(0x1, "gpio_out"),
  85                   SUNXI_FUNCTION(0x2, "s_i2c"),         /* SDA */
  86                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),  /* PL_EINT9 */
  87         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
  88                   SUNXI_FUNCTION(0x0, "gpio_in"),
  89                   SUNXI_FUNCTION(0x1, "gpio_out"),
  90                   SUNXI_FUNCTION(0x2, "s_pwm"),
  91                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */
  92         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
  93                   SUNXI_FUNCTION(0x0, "gpio_in"),
  94                   SUNXI_FUNCTION(0x1, "gpio_out"),
  95                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), /* PL_EINT11 */
  96         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12),
  97                   SUNXI_FUNCTION(0x0, "gpio_in"),
  98                   SUNXI_FUNCTION(0x1, "gpio_out"),
  99                   SUNXI_FUNCTION(0x2, "s_cir_rx"),
 100                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)), /* PL_EINT12 */
 101 };
 102
 103 static const struct sunxi_pinctrl_desc sun8i_a83t_r_pinctrl_data = {
 104         .pins = sun8i_a83t_r_pins,
 105         .npins = ARRAY_SIZE(sun8i_a83t_r_pins),
 106         .pin_base = PL_BASE,
 107         .irq_banks = 1,
 108 };
 109
 110 static int sun8i_a83t_r_pinctrl_probe(struct platform_device *pdev)
 111 {
 112         return sunxi_pinctrl_init(pdev,
 113                                   &sun8i_a83t_r_pinctrl_data);
 114 }
 115
 116 static const struct of_device_id sun8i_a83t_r_pinctrl_match[] = {
 117         { .compatible = "allwinner,sun8i-a83t-r-pinctrl", },
 118         {}
 119 };
 120
 121 static struct platform_driver sun8i_a83t_r_pinctrl_driver = {
 122         .probe  = sun8i_a83t_r_pinctrl_probe,
 123         .driver = {
 124                 .name           = "sun8i-a83t-r-pinctrl",
 125                 .of_match_table = sun8i_a83t_r_pinctrl_match,
 126         },
 127 };
 128 builtin_platform_driver(sun8i_a83t_r_pinctrl_driver);