drivers/pinctrl/sunxi/pinctrl-sun9i-a80-r.c

   1 /*
   2  * Allwinner A80 SoCs special pins pinctrl driver.
   3  *
   4  * Copyright (C) 2014 Maxime Ripard
   5  * Maxime Ripard <maxime.ripard@free-electrons.com>
   6  *
   7  * This file is licensed under the terms of the GNU General Public
   8  * License version 2.  This program is licensed "as is" without any
   9  * warranty of any kind, whether express or implied.
  10  */
  11
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/of.h>
  15 #include <linux/pinctrl/pinctrl.h>
  16
  17 #include "pinctrl-sunxi.h"
  18
  19 static const struct sunxi_desc_pin sun9i_a80_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(0x3, "s_uart"),        /* TX */
  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(0x3, "s_uart"),        /* RX */
  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(0x3, "s_jtag"),        /* TMS */
  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(0x3, "s_jtag"),        /* TCK */
  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(0x3, "s_jtag"),        /* TDO */
  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(0x3, "s_jtag"),        /* TDI */
  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(0x3, "s_cir_rx"),
  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(0x3, "1wire"),
  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(0x2, "s_ps2"),         /* SCK1 */
  64                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),  /* PL_EINT8 */
  65         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
  66                   SUNXI_FUNCTION(0x0, "gpio_in"),
  67                   SUNXI_FUNCTION(0x1, "gpio_out"),
  68                   SUNXI_FUNCTION(0x2, "s_ps2"),         /* SDA1 */
  69                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),  /* PL_EINT9 */
  70
  71         /* Hole */
  72         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
  73                   SUNXI_FUNCTION(0x0, "gpio_in"),
  74                   SUNXI_FUNCTION(0x1, "gpio_out"),
  75                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)),  /* PM_EINT0 */
  76         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
  77                   SUNXI_FUNCTION(0x0, "gpio_in"),
  78                   SUNXI_FUNCTION(0x1, "gpio_out"),
  79                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)),  /* PM_EINT1 */
  80         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
  81                   SUNXI_FUNCTION(0x0, "gpio_in"),
  82                   SUNXI_FUNCTION(0x1, "gpio_out"),
  83                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2)),  /* PM_EINT2 */
  84         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
  85                   SUNXI_FUNCTION(0x0, "gpio_in"),
  86                   SUNXI_FUNCTION(0x1, "gpio_out"),
  87                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)),  /* PM_EINT3 */
  88         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
  89                   SUNXI_FUNCTION(0x0, "gpio_in"),
  90                   SUNXI_FUNCTION(0x1, "gpio_out"),
  91                   SUNXI_FUNCTION(0x3, "s_i2s1"),        /* LRCKR */
  92                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)),  /* PM_EINT4 */
  93
  94         /* Hole */
  95         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 8),
  96                   SUNXI_FUNCTION(0x0, "gpio_in"),
  97                   SUNXI_FUNCTION(0x1, "gpio_out"),
  98                   SUNXI_FUNCTION(0x3, "s_i2c1"),        /* SCK */
  99                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 8)),  /* PM_EINT8 */
 100         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 9),
 101                   SUNXI_FUNCTION(0x0, "gpio_in"),
 102                   SUNXI_FUNCTION(0x1, "gpio_out"),
 103                   SUNXI_FUNCTION(0x3, "s_i2c1"),        /* SDA */
 104                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 9)),  /* PM_EINT9 */
 105         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 10),
 106                   SUNXI_FUNCTION(0x0, "gpio_in"),
 107                   SUNXI_FUNCTION(0x1, "gpio_out"),
 108                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* MCLK */
 109                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* MCLK */
 110         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 11),
 111                   SUNXI_FUNCTION(0x0, "gpio_in"),
 112                   SUNXI_FUNCTION(0x1, "gpio_out"),
 113                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* BCLK */
 114                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* BCLK */
 115         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 12),
 116                   SUNXI_FUNCTION(0x0, "gpio_in"),
 117                   SUNXI_FUNCTION(0x1, "gpio_out"),
 118                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* LRCK */
 119                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* LRCK */
 120         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 13),
 121                   SUNXI_FUNCTION(0x0, "gpio_in"),
 122                   SUNXI_FUNCTION(0x1, "gpio_out"),
 123                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* DIN */
 124                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* DIN */
 125         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 14),
 126                   SUNXI_FUNCTION(0x0, "gpio_in"),
 127                   SUNXI_FUNCTION(0x1, "gpio_out"),
 128                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* DOUT */
 129                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* DOUT */
 130         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 15),
 131                   SUNXI_FUNCTION(0x0, "gpio_in"),
 132                   SUNXI_FUNCTION(0x1, "gpio_out"),
 133                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 15)), /* PM_EINT15 */
 134
 135         /* Hole */
 136         SUNXI_PIN(SUNXI_PINCTRL_PIN(N, 0),
 137                   SUNXI_FUNCTION(0x0, "gpio_in"),
 138                   SUNXI_FUNCTION(0x1, "gpio_out"),
 139                   SUNXI_FUNCTION(0x2, "s_i2c0"),        /* SCK */
 140                   SUNXI_FUNCTION(0x3, "s_rsb")),        /* SCK */
 141         SUNXI_PIN(SUNXI_PINCTRL_PIN(N, 1),
 142                   SUNXI_FUNCTION(0x0, "gpio_in"),
 143                   SUNXI_FUNCTION(0x1, "gpio_out"),
 144                   SUNXI_FUNCTION(0x2, "s_i2c0"),        /* SDA */
 145                   SUNXI_FUNCTION(0x3, "s_rsb")),        /* SDA */
 146 };
 147
 148 static const struct sunxi_pinctrl_desc sun9i_a80_r_pinctrl_data = {
 149         .pins = sun9i_a80_r_pins,
 150         .npins = ARRAY_SIZE(sun9i_a80_r_pins),
 151         .pin_base = PL_BASE,
 152         .irq_banks = 2,
 153         .disable_strict_mode = true,
 154         .io_bias_cfg_variant = BIAS_VOLTAGE_GRP_CONFIG,
 155 };
 156
 157 static int sun9i_a80_r_pinctrl_probe(struct platform_device *pdev)
 158 {
 159         return sunxi_pinctrl_init(pdev,
 160                                   &sun9i_a80_r_pinctrl_data);
 161 }
 162
 163 static const struct of_device_id sun9i_a80_r_pinctrl_match[] = {
 164         { .compatible = "allwinner,sun9i-a80-r-pinctrl", },
 165         {}
 166 };
 167
 168 static struct platform_driver sun9i_a80_r_pinctrl_driver = {
 169         .probe  = sun9i_a80_r_pinctrl_probe,
 170         .driver = {
 171                 .name           = "sun9i-a80-r-pinctrl",
 172                 .owner          = THIS_MODULE,
 173                 .of_match_table = sun9i_a80_r_pinctrl_match,
 174         },
 175 };
 176 builtin_platform_driver(sun9i_a80_r_pinctrl_driver);