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/pinctrl/pinctrl.h>
  28 #include <linux/platform_device.h>
  29
  30 #include "pinctrl-sunxi.h"
  31
  32 static const struct sunxi_desc_pin sun8i_a83t_r_pins[] = {
  33         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
  34                   SUNXI_FUNCTION(0x0, "gpio_in"),
  35                   SUNXI_FUNCTION(0x1, "gpio_out"),
  36                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SCK */
  37                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SCK */
  38                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),  /* PL_EINT0 */
  39         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  40                   SUNXI_FUNCTION(0x0, "gpio_in"),
  41                   SUNXI_FUNCTION(0x1, "gpio_out"),
  42                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SDA */
  43                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SDA */
  44                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),  /* PL_EINT1 */
  45         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
  46                   SUNXI_FUNCTION(0x0, "gpio_in"),
  47                   SUNXI_FUNCTION(0x1, "gpio_out"),
  48                   SUNXI_FUNCTION(0x2, "s_uart"),        /* TX */
  49                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),  /* PL_EINT2 */
  50         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
  51                   SUNXI_FUNCTION(0x0, "gpio_in"),
  52                   SUNXI_FUNCTION(0x1, "gpio_out"),
  53                   SUNXI_FUNCTION(0x2, "s_uart"),        /* RX */
  54                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),  /* PL_EINT3 */
  55         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
  56                   SUNXI_FUNCTION(0x0, "gpio_in"),
  57                   SUNXI_FUNCTION(0x1, "gpio_out"),
  58                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* MS */
  59                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),  /* PL_EINT4 */
  60         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
  61                   SUNXI_FUNCTION(0x0, "gpio_in"),
  62                   SUNXI_FUNCTION(0x1, "gpio_out"),
  63                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* CK */
  64                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),  /* PL_EINT5 */
  65         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
  66                   SUNXI_FUNCTION(0x0, "gpio_in"),
  67                   SUNXI_FUNCTION(0x1, "gpio_out"),
  68                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DO */
  69                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),  /* PL_EINT6 */
  70         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
  71                   SUNXI_FUNCTION(0x0, "gpio_in"),
  72                   SUNXI_FUNCTION(0x1, "gpio_out"),
  73                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DI */
  74                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),  /* PL_EINT7 */
  75         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
  76                   SUNXI_FUNCTION(0x0, "gpio_in"),
  77                   SUNXI_FUNCTION(0x1, "gpio_out"),
  78                   SUNXI_FUNCTION(0x2, "s_i2c"),         /* SCK */
  79                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),  /* PL_EINT8 */
  80         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
  81                   SUNXI_FUNCTION(0x0, "gpio_in"),
  82                   SUNXI_FUNCTION(0x1, "gpio_out"),
  83                   SUNXI_FUNCTION(0x2, "s_i2c"),         /* SDA */
  84                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),  /* PL_EINT9 */
  85         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
  86                   SUNXI_FUNCTION(0x0, "gpio_in"),
  87                   SUNXI_FUNCTION(0x1, "gpio_out"),
  88                   SUNXI_FUNCTION(0x2, "s_pwm"),
  89                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */
  90         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
  91                   SUNXI_FUNCTION(0x0, "gpio_in"),
  92                   SUNXI_FUNCTION(0x1, "gpio_out"),
  93                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), /* PL_EINT11 */
  94         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12),
  95                   SUNXI_FUNCTION(0x0, "gpio_in"),
  96                   SUNXI_FUNCTION(0x1, "gpio_out"),
  97                   SUNXI_FUNCTION(0x2, "s_cir_rx"),
  98                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)), /* PL_EINT12 */
  99 };
 100
 101 static const struct sunxi_pinctrl_desc sun8i_a83t_r_pinctrl_data = {
 102         .pins = sun8i_a83t_r_pins,
 103         .npins = ARRAY_SIZE(sun8i_a83t_r_pins),
 104         .pin_base = PL_BASE,
 105         .irq_banks = 1,
 106 };
 107
 108 static int sun8i_a83t_r_pinctrl_probe(struct platform_device *pdev)
 109 {
 110         return sunxi_pinctrl_init(pdev,
 111                                   &sun8i_a83t_r_pinctrl_data);
 112 }
 113
 114 static const struct of_device_id sun8i_a83t_r_pinctrl_match[] = {
 115         { .compatible = "allwinner,sun8i-a83t-r-pinctrl", },
 116         {}
 117 };
 118
 119 static struct platform_driver sun8i_a83t_r_pinctrl_driver = {
 120         .probe  = sun8i_a83t_r_pinctrl_probe,
 121         .driver = {
 122                 .name           = "sun8i-a83t-r-pinctrl",
 123                 .of_match_table = sun8i_a83t_r_pinctrl_match,
 124         },
 125 };
 126 builtin_platform_driver(sun8i_a83t_r_pinctrl_driver);