drivers/pinctrl/sunxi/pinctrl-sun8i-a23-r.c

   1 /*
   2  * Allwinner A23 SoCs special pins pinctrl driver.
   3  *
   4  * Copyright (C) 2014 Chen-Yu Tsai
   5  * Chen-Yu Tsai <wens@csie.org>
   6  *
   7  * Copyright (C) 2014 Boris Brezillon
   8  * Boris Brezillon <boris.brezillon@free-electrons.com>
   9  *
  10  * Copyright (C) 2014 Maxime Ripard
  11  * Maxime Ripard <maxime.ripard@free-electrons.com>
  12  *
  13  * This file is licensed under the terms of the GNU General Public
  14  * License version 2.  This program is licensed "as is" without any
  15  * warranty of any kind, whether express or implied.
  16  */
  17
  18 #include <linux/init.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/of.h>
  21 #include <linux/pinctrl/pinctrl.h>
  22
  23 #include "pinctrl-sunxi.h"
  24
  25 static const struct sunxi_desc_pin sun8i_a23_r_pins[] = {
  26         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
  27                   SUNXI_FUNCTION(0x0, "gpio_in"),
  28                   SUNXI_FUNCTION(0x1, "gpio_out"),
  29                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SCK */
  30                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SCK */
  31                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 0)),  /* PL_EINT0 */
  32         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  33                   SUNXI_FUNCTION(0x0, "gpio_in"),
  34                   SUNXI_FUNCTION(0x1, "gpio_out"),
  35                   SUNXI_FUNCTION(0x2, "s_rsb"),         /* SDA */
  36                   SUNXI_FUNCTION(0x3, "s_i2c"),         /* SDA */
  37                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 1)),  /* PL_EINT1 */
  38         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
  39                   SUNXI_FUNCTION(0x0, "gpio_in"),
  40                   SUNXI_FUNCTION(0x1, "gpio_out"),
  41                   SUNXI_FUNCTION(0x2, "s_uart"),        /* TX */
  42                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 2)),  /* PL_EINT2 */
  43         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
  44                   SUNXI_FUNCTION(0x0, "gpio_in"),
  45                   SUNXI_FUNCTION(0x1, "gpio_out"),
  46                   SUNXI_FUNCTION(0x2, "s_uart"),        /* RX */
  47                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 3)),  /* PL_EINT3 */
  48         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
  49                   SUNXI_FUNCTION(0x0, "gpio_in"),
  50                   SUNXI_FUNCTION(0x1, "gpio_out"),
  51                   SUNXI_FUNCTION(0x3, "s_jtag"),        /* MS */
  52                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 4)),  /* PL_EINT4 */
  53         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
  54                   SUNXI_FUNCTION(0x0, "gpio_in"),
  55                   SUNXI_FUNCTION(0x1, "gpio_out"),
  56                   SUNXI_FUNCTION(0x3, "s_jtag"),        /* CK */
  57                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 5)),  /* PL_EINT5 */
  58         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
  59                   SUNXI_FUNCTION(0x0, "gpio_in"),
  60                   SUNXI_FUNCTION(0x1, "gpio_out"),
  61                   SUNXI_FUNCTION(0x3, "s_jtag"),        /* DO */
  62                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 6)),  /* PL_EINT6 */
  63         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
  64                   SUNXI_FUNCTION(0x0, "gpio_in"),
  65                   SUNXI_FUNCTION(0x1, "gpio_out"),
  66                   SUNXI_FUNCTION(0x3, "s_jtag"),        /* DI */
  67                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 7)),  /* PL_EINT7 */
  68         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
  69                   SUNXI_FUNCTION(0x0, "gpio_in"),
  70                   SUNXI_FUNCTION(0x1, "gpio_out"),
  71                   SUNXI_FUNCTION(0x2, "s_twi"),         /* SCK */
  72                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 8)),  /* PL_EINT8 */
  73         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
  74                   SUNXI_FUNCTION(0x0, "gpio_in"),
  75                   SUNXI_FUNCTION(0x1, "gpio_out"),
  76                   SUNXI_FUNCTION(0x2, "s_twi"),         /* SDA */
  77                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 9)),  /* PL_EINT9 */
  78         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
  79                   SUNXI_FUNCTION(0x0, "gpio_in"),
  80                   SUNXI_FUNCTION(0x1, "gpio_out"),
  81                   SUNXI_FUNCTION(0x2, "s_pwm"),
  82                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 10)), /* PL_EINT10 */
  83         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
  84                   SUNXI_FUNCTION(0x0, "gpio_in"),
  85                   SUNXI_FUNCTION(0x1, "gpio_out"),
  86                   SUNXI_FUNCTION_IRQ_BANK(0x4, 0, 11)), /* PL_EINT11 */
  87 };
  88
  89 static const struct sunxi_pinctrl_desc sun8i_a23_r_pinctrl_data = {
  90         .pins = sun8i_a23_r_pins,
  91         .npins = ARRAY_SIZE(sun8i_a23_r_pins),
  92         .pin_base = PL_BASE,
  93         .irq_banks = 1,
  94         .disable_strict_mode = true,
  95 };
  96
  97 static int sun8i_a23_r_pinctrl_probe(struct platform_device *pdev)
  98 {
  99         return sunxi_pinctrl_init(pdev, &sun8i_a23_r_pinctrl_data);
 100 }
 101
 102 static const struct of_device_id sun8i_a23_r_pinctrl_match[] = {
 103         { .compatible = "allwinner,sun8i-a23-r-pinctrl", },
 104         {}
 105 };
 106
 107 static struct platform_driver sun8i_a23_r_pinctrl_driver = {
 108         .probe  = sun8i_a23_r_pinctrl_probe,
 109         .driver = {
 110                 .name           = "sun8i-a23-r-pinctrl",
 111                 .of_match_table = sun8i_a23_r_pinctrl_match,
 112         },
 113 };
 114 builtin_platform_driver(sun8i_a23_r_pinctrl_driver);