drivers/pinctrl/sunxi/pinctrl-sun6i-a31-r.c

   1 /*
   2  * Allwinner A31 SoCs special pins pinctrl driver.
   3  *
   4  * Copyright (C) 2014 Boris Brezillon
   5  * Boris Brezillon <boris.brezillon@free-electrons.com>
   6  *
   7  * Copyright (C) 2014 Maxime Ripard
   8  * Maxime Ripard <maxime.ripard@free-electrons.com>
   9  *
  10  * This file is licensed under the terms of the GNU General Public
  11  * License version 2.  This program is licensed "as is" without any
  12  * warranty of any kind, whether express or implied.
  13  */
  14
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/of.h>
  18 #include <linux/of_device.h>
  19 #include <linux/pinctrl/pinctrl.h>
  20
  21 #include "pinctrl-sunxi.h"
  22
  23 static const struct sunxi_desc_pin sun6i_a31_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_i2c"),         /* SCK */
  28                   SUNXI_FUNCTION(0x3, "s_p2wi")),       /* SCK */
  29         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  30                   SUNXI_FUNCTION(0x0, "gpio_in"),
  31                   SUNXI_FUNCTION(0x1, "gpio_out"),
  32                   SUNXI_FUNCTION(0x2, "s_i2c"),         /* SDA */
  33                   SUNXI_FUNCTION(0x3, "s_p2wi")),       /* SDA */
  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_PIN(SUNXI_PINCTRL_PIN(L, 3),
  39                   SUNXI_FUNCTION(0x0, "gpio_in"),
  40                   SUNXI_FUNCTION(0x1, "gpio_out"),
  41                   SUNXI_FUNCTION(0x2, "s_uart")),       /* RX */
  42         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
  43                   SUNXI_FUNCTION(0x0, "gpio_in"),
  44                   SUNXI_FUNCTION(0x1, "gpio_out"),
  45                   SUNXI_FUNCTION(0x2, "s_ir")),         /* RX */
  46         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
  47                   SUNXI_FUNCTION(0x0, "gpio_in"),
  48                   SUNXI_FUNCTION(0x1, "gpio_out"),
  49                   SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 0),   /* PL_EINT0 */
  50                   SUNXI_FUNCTION(0x3, "s_jtag")),       /* MS */
  51         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
  52                   SUNXI_FUNCTION(0x0, "gpio_in"),
  53                   SUNXI_FUNCTION(0x1, "gpio_out"),
  54                   SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 1),   /* PL_EINT1 */
  55                   SUNXI_FUNCTION(0x3, "s_jtag")),       /* CK */
  56         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
  57                   SUNXI_FUNCTION(0x0, "gpio_in"),
  58                   SUNXI_FUNCTION(0x1, "gpio_out"),
  59                   SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 2),   /* PL_EINT2 */
  60                   SUNXI_FUNCTION(0x3, "s_jtag")),       /* DO */
  61         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
  62                   SUNXI_FUNCTION(0x0, "gpio_in"),
  63                   SUNXI_FUNCTION(0x1, "gpio_out"),
  64                   SUNXI_FUNCTION_IRQ_BANK(0x2, 0, 3),   /* PL_EINT3 */
  65                   SUNXI_FUNCTION(0x3, "s_jtag")),       /* DI */
  66         /* Hole */
  67         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
  68                   SUNXI_FUNCTION(0x0, "gpio_in"),
  69                   SUNXI_FUNCTION(0x1, "gpio_out"),
  70                   SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 0)),  /* PM_EINT0 */
  71         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
  72                   SUNXI_FUNCTION(0x0, "gpio_in"),
  73                   SUNXI_FUNCTION(0x1, "gpio_out"),
  74                   SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 1)),  /* PM_EINT1 */
  75         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
  76                   SUNXI_FUNCTION(0x0, "gpio_in"),
  77                   SUNXI_FUNCTION(0x1, "gpio_out"),
  78                   SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 2),   /* PM_EINT2 */
  79                   SUNXI_FUNCTION(0x3, "1wire")),
  80         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
  81                   SUNXI_FUNCTION(0x0, "gpio_in"),
  82                   SUNXI_FUNCTION(0x1, "gpio_out"),
  83                   SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 3)),  /* PM_EINT3 */
  84         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
  85                   SUNXI_FUNCTION(0x0, "gpio_in"),
  86                   SUNXI_FUNCTION(0x1, "gpio_out"),
  87                   SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 4)),  /* PM_EINT4 */
  88         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 5),
  89                   SUNXI_FUNCTION(0x0, "gpio_in"),
  90                   SUNXI_FUNCTION(0x1, "gpio_out"),
  91                   SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 5)),  /* PM_EINT5 */
  92         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 6),
  93                   SUNXI_FUNCTION(0x0, "gpio_in"),
  94                   SUNXI_FUNCTION(0x1, "gpio_out"),
  95                   SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 6)),  /* PM_EINT6 */
  96         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 7),
  97                   SUNXI_FUNCTION(0x0, "gpio_in"),
  98                   SUNXI_FUNCTION(0x1, "gpio_out"),
  99                   SUNXI_FUNCTION_IRQ_BANK(0x2, 1, 7),   /* PM_EINT7 */
 100                   SUNXI_FUNCTION(0x3, "rtc")),          /* CLKO */
 101 };
 102
 103 static const struct sunxi_pinctrl_desc sun6i_a31_r_pinctrl_data = {
 104         .pins = sun6i_a31_r_pins,
 105         .npins = ARRAY_SIZE(sun6i_a31_r_pins),
 106         .pin_base = PL_BASE,
 107         .irq_banks = 2,
 108         .disable_strict_mode = true,
 109 };
 110
 111 static int sun6i_a31_r_pinctrl_probe(struct platform_device *pdev)
 112 {
 113         return sunxi_pinctrl_init(pdev, &sun6i_a31_r_pinctrl_data);
 114 }
 115
 116 static const struct of_device_id sun6i_a31_r_pinctrl_match[] = {
 117         { .compatible = "allwinner,sun6i-a31-r-pinctrl", },
 118         {}
 119 };
 120
 121 static struct platform_driver sun6i_a31_r_pinctrl_driver = {
 122         .probe  = sun6i_a31_r_pinctrl_probe,
 123         .driver = {
 124                 .name           = "sun6i-a31-r-pinctrl",
 125                 .of_match_table = sun6i_a31_r_pinctrl_match,
 126         },
 127 };
 128 builtin_platform_driver(sun6i_a31_r_pinctrl_driver);