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/of_device.h>
  16 #include <linux/pinctrl/pinctrl.h>
  17 #include <linux/reset.h>
  18
  19 #include "pinctrl-sunxi.h"
  20
  21 static const struct sunxi_desc_pin sun9i_a80_r_pins[] = {
  22         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
  23                   SUNXI_FUNCTION(0x0, "gpio_in"),
  24                   SUNXI_FUNCTION(0x1, "gpio_out"),
  25                   SUNXI_FUNCTION(0x3, "s_uart"),        /* TX */
  26                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),  /* PL_EINT0 */
  27         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
  28                   SUNXI_FUNCTION(0x0, "gpio_in"),
  29                   SUNXI_FUNCTION(0x1, "gpio_out"),
  30                   SUNXI_FUNCTION(0x3, "s_uart"),        /* RX */
  31                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),  /* PL_EINT1 */
  32         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
  33                   SUNXI_FUNCTION(0x0, "gpio_in"),
  34                   SUNXI_FUNCTION(0x1, "gpio_out"),
  35                   SUNXI_FUNCTION(0x3, "s_jtag"),        /* TMS */
  36                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),  /* PL_EINT2 */
  37         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
  38                   SUNXI_FUNCTION(0x0, "gpio_in"),
  39                   SUNXI_FUNCTION(0x1, "gpio_out"),
  40                   SUNXI_FUNCTION(0x3, "s_jtag"),        /* TCK */
  41                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),  /* PL_EINT3 */
  42         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
  43                   SUNXI_FUNCTION(0x0, "gpio_in"),
  44                   SUNXI_FUNCTION(0x1, "gpio_out"),
  45                   SUNXI_FUNCTION(0x3, "s_jtag"),        /* TDO */
  46                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),  /* PL_EINT4 */
  47         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
  48                   SUNXI_FUNCTION(0x0, "gpio_in"),
  49                   SUNXI_FUNCTION(0x1, "gpio_out"),
  50                   SUNXI_FUNCTION(0x3, "s_jtag"),        /* TDI */
  51                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),  /* PL_EINT5 */
  52         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
  53                   SUNXI_FUNCTION(0x0, "gpio_in"),
  54                   SUNXI_FUNCTION(0x1, "gpio_out"),
  55                   SUNXI_FUNCTION(0x3, "s_cir_rx"),
  56                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),  /* PL_EINT6 */
  57         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
  58                   SUNXI_FUNCTION(0x0, "gpio_in"),
  59                   SUNXI_FUNCTION(0x1, "gpio_out"),
  60                   SUNXI_FUNCTION(0x3, "1wire"),
  61                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),  /* PL_EINT7 */
  62         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
  63                   SUNXI_FUNCTION(0x0, "gpio_in"),
  64                   SUNXI_FUNCTION(0x1, "gpio_out"),
  65                   SUNXI_FUNCTION(0x2, "s_ps2"),         /* SCK1 */
  66                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),  /* PL_EINT8 */
  67         SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
  68                   SUNXI_FUNCTION(0x0, "gpio_in"),
  69                   SUNXI_FUNCTION(0x1, "gpio_out"),
  70                   SUNXI_FUNCTION(0x2, "s_ps2"),         /* SDA1 */
  71                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),  /* PL_EINT9 */
  72
  73         /* Hole */
  74         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 0),
  75                   SUNXI_FUNCTION(0x0, "gpio_in"),
  76                   SUNXI_FUNCTION(0x1, "gpio_out"),
  77                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)),  /* PM_EINT0 */
  78         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 1),
  79                   SUNXI_FUNCTION(0x0, "gpio_in"),
  80                   SUNXI_FUNCTION(0x1, "gpio_out"),
  81                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)),  /* PM_EINT1 */
  82         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 2),
  83                   SUNXI_FUNCTION(0x0, "gpio_in"),
  84                   SUNXI_FUNCTION(0x1, "gpio_out"),
  85                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2)),  /* PM_EINT2 */
  86         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 3),
  87                   SUNXI_FUNCTION(0x0, "gpio_in"),
  88                   SUNXI_FUNCTION(0x1, "gpio_out"),
  89                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)),  /* PM_EINT3 */
  90         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 4),
  91                   SUNXI_FUNCTION(0x0, "gpio_in"),
  92                   SUNXI_FUNCTION(0x1, "gpio_out"),
  93                   SUNXI_FUNCTION(0x3, "s_i2s1"),        /* LRCKR */
  94                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)),  /* PM_EINT4 */
  95
  96         /* Hole */
  97         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 8),
  98                   SUNXI_FUNCTION(0x0, "gpio_in"),
  99                   SUNXI_FUNCTION(0x1, "gpio_out"),
 100                   SUNXI_FUNCTION(0x3, "s_i2c1"),        /* SCK */
 101                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 8)),  /* PM_EINT8 */
 102         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 9),
 103                   SUNXI_FUNCTION(0x0, "gpio_in"),
 104                   SUNXI_FUNCTION(0x1, "gpio_out"),
 105                   SUNXI_FUNCTION(0x3, "s_i2c1"),        /* SDA */
 106                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 9)),  /* PM_EINT9 */
 107         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 10),
 108                   SUNXI_FUNCTION(0x0, "gpio_in"),
 109                   SUNXI_FUNCTION(0x1, "gpio_out"),
 110                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* MCLK */
 111                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* MCLK */
 112         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 11),
 113                   SUNXI_FUNCTION(0x0, "gpio_in"),
 114                   SUNXI_FUNCTION(0x1, "gpio_out"),
 115                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* BCLK */
 116                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* BCLK */
 117         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 12),
 118                   SUNXI_FUNCTION(0x0, "gpio_in"),
 119                   SUNXI_FUNCTION(0x1, "gpio_out"),
 120                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* LRCK */
 121                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* LRCK */
 122         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 13),
 123                   SUNXI_FUNCTION(0x0, "gpio_in"),
 124                   SUNXI_FUNCTION(0x1, "gpio_out"),
 125                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* DIN */
 126                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* DIN */
 127         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 14),
 128                   SUNXI_FUNCTION(0x0, "gpio_in"),
 129                   SUNXI_FUNCTION(0x1, "gpio_out"),
 130                   SUNXI_FUNCTION(0x2, "s_i2s0"),        /* DOUT */
 131                   SUNXI_FUNCTION(0x3, "s_i2s1")),       /* DOUT */
 132         SUNXI_PIN(SUNXI_PINCTRL_PIN(M, 15),
 133                   SUNXI_FUNCTION(0x0, "gpio_in"),
 134                   SUNXI_FUNCTION(0x1, "gpio_out"),
 135                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 15)), /* PM_EINT15 */
 136
 137         /* Hole */
 138         SUNXI_PIN(SUNXI_PINCTRL_PIN(N, 0),
 139                   SUNXI_FUNCTION(0x0, "gpio_in"),
 140                   SUNXI_FUNCTION(0x1, "gpio_out"),
 141                   SUNXI_FUNCTION(0x2, "s_i2c0"),        /* SCK */
 142                   SUNXI_FUNCTION(0x3, "s_rsb")),        /* SCK */
 143         SUNXI_PIN(SUNXI_PINCTRL_PIN(N, 1),
 144                   SUNXI_FUNCTION(0x0, "gpio_in"),
 145                   SUNXI_FUNCTION(0x1, "gpio_out"),
 146                   SUNXI_FUNCTION(0x2, "s_i2c0"),        /* SDA */
 147                   SUNXI_FUNCTION(0x3, "s_rsb")),        /* SDA */
 148 };
 149
 150 static const struct sunxi_pinctrl_desc sun9i_a80_r_pinctrl_data = {
 151         .pins = sun9i_a80_r_pins,
 152         .npins = ARRAY_SIZE(sun9i_a80_r_pins),
 153         .pin_base = PL_BASE,
 154         .irq_banks = 2,
 155         .disable_strict_mode = true,
 156         .io_bias_cfg_variant = BIAS_VOLTAGE_GRP_CONFIG,
 157 };
 158
 159 static int sun9i_a80_r_pinctrl_probe(struct platform_device *pdev)
 160 {
 161         return sunxi_pinctrl_init(pdev,
 162                                   &sun9i_a80_r_pinctrl_data);
 163 }
 164
 165 static const struct of_device_id sun9i_a80_r_pinctrl_match[] = {
 166         { .compatible = "allwinner,sun9i-a80-r-pinctrl", },
 167         {}
 168 };
 169
 170 static struct platform_driver sun9i_a80_r_pinctrl_driver = {
 171         .probe  = sun9i_a80_r_pinctrl_probe,
 172         .driver = {
 173                 .name           = "sun9i-a80-r-pinctrl",
 174                 .owner          = THIS_MODULE,
 175                 .of_match_table = sun9i_a80_r_pinctrl_match,
 176         },
 177 };
 178 builtin_platform_driver(sun9i_a80_r_pinctrl_driver);