drivers/pinctrl/sunxi/pinctrl-sun8i-h3-r.c

   1 /*
   2  * Allwinner H3 SoCs pinctrl driver.
   3  *
   4  * Copyright (C) 2016 Krzysztof Adamski <k@japko.eu>
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2.  This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10
  11 #include <linux/module.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/of.h>
  14 #include <linux/of_device.h>
  15 #include <linux/pinctrl/pinctrl.h>
  16
  17 #include "pinctrl-sunxi.h"
  18
  19 static const struct sunxi_desc_pin sun8i_h3_r_pins[] = {
  20         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
  21                   SUNXI_FUNCTION(0x0, "gpio_in"),
  22                   SUNXI_FUNCTION(0x1, "gpio_out"),
  23                   SUNXI_FUNCTION(0x2, "s_i2c"),         /* SCK */
  24                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),  /* PL_EINT0 */
  25         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  26                   SUNXI_FUNCTION(0x0, "gpio_in"),
  27                   SUNXI_FUNCTION(0x1, "gpio_out"),
  28                   SUNXI_FUNCTION(0x2, "s_i2c"),         /* SDA */
  29                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),  /* PL_EINT1 */
  30         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
  31                   SUNXI_FUNCTION(0x0, "gpio_in"),
  32                   SUNXI_FUNCTION(0x1, "gpio_out"),
  33                   SUNXI_FUNCTION(0x2, "s_uart"),        /* TX */
  34                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),  /* PL_EINT2 */
  35         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
  36                   SUNXI_FUNCTION(0x0, "gpio_in"),
  37                   SUNXI_FUNCTION(0x1, "gpio_out"),
  38                   SUNXI_FUNCTION(0x2, "s_uart"),        /* RX */
  39                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),  /* PL_EINT3 */
  40         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
  41                   SUNXI_FUNCTION(0x0, "gpio_in"),
  42                   SUNXI_FUNCTION(0x1, "gpio_out"),
  43                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* MS */
  44                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),  /* PL_EINT4 */
  45         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
  46                   SUNXI_FUNCTION(0x0, "gpio_in"),
  47                   SUNXI_FUNCTION(0x1, "gpio_out"),
  48                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* CK */
  49                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),  /* PL_EINT5 */
  50         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
  51                   SUNXI_FUNCTION(0x0, "gpio_in"),
  52                   SUNXI_FUNCTION(0x1, "gpio_out"),
  53                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DO */
  54                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),  /* PL_EINT6 */
  55         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
  56                   SUNXI_FUNCTION(0x0, "gpio_in"),
  57                   SUNXI_FUNCTION(0x1, "gpio_out"),
  58                   SUNXI_FUNCTION(0x2, "s_jtag"),        /* DI */
  59                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),  /* PL_EINT7 */
  60         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
  61                   SUNXI_FUNCTION(0x0, "gpio_in"),
  62                   SUNXI_FUNCTION(0x1, "gpio_out"),
  63                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),  /* PL_EINT8 */
  64         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
  65                   SUNXI_FUNCTION(0x0, "gpio_in"),
  66                   SUNXI_FUNCTION(0x1, "gpio_out"),
  67                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),  /* PL_EINT9 */
  68         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
  69                   SUNXI_FUNCTION(0x0, "gpio_in"),
  70                   SUNXI_FUNCTION(0x1, "gpio_out"),
  71                   SUNXI_FUNCTION(0x2, "s_pwm"),
  72                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* PL_EINT10 */
  73         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
  74                   SUNXI_FUNCTION(0x0, "gpio_in"),
  75                   SUNXI_FUNCTION(0x1, "gpio_out"),
  76                   SUNXI_FUNCTION(0x2, "s_cir_rx"),
  77                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), /* PL_EINT11 */
  78 };
  79
  80 static const struct sunxi_pinctrl_desc sun8i_h3_r_pinctrl_data = {
  81         .pins = sun8i_h3_r_pins,
  82         .npins = ARRAY_SIZE(sun8i_h3_r_pins),
  83         .irq_banks = 1,
  84         .pin_base = PL_BASE,
  85         .irq_read_needs_mux = true,
  86         .disable_strict_mode = true,
  87 };
  88
  89 static int sun8i_h3_r_pinctrl_probe(struct platform_device *pdev)
  90 {
  91         return sunxi_pinctrl_init(pdev,
  92                                   &sun8i_h3_r_pinctrl_data);
  93 }
  94
  95 static const struct of_device_id sun8i_h3_r_pinctrl_match[] = {
  96         { .compatible = "allwinner,sun8i-h3-r-pinctrl", },
  97         {}
  98 };
  99
 100 static struct platform_driver sun8i_h3_r_pinctrl_driver = {
 101         .probe  = sun8i_h3_r_pinctrl_probe,
 102         .driver = {
 103                 .name           = "sun8i-h3-r-pinctrl",
 104                 .of_match_table = sun8i_h3_r_pinctrl_match,
 105         },
 106 };
 107 builtin_platform_driver(sun8i_h3_r_pinctrl_driver);