drivers/pinctrl/sunxi/pinctrl-sun8i-v3s.c

   1 /*
   2  * Allwinner V3s SoCs pinctrl driver.
   3  *
   4  * Copyright (C) 2016 Icenowy Zheng <icenowy@aosc.xyz>
   5  *
   6  * Based on pinctrl-sun8i-h3.c, which is:
   7  * Copyright (C) 2015 Jens Kuske <jenskuske@gmail.com>
   8  *
   9  * Based on pinctrl-sun8i-a23.c, which is:
  10  * Copyright (C) 2014 Chen-Yu Tsai <wens@csie.org>
  11  * Copyright (C) 2014 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/module.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/of.h>
  21 #include <linux/of_device.h>
  22 #include <linux/pinctrl/pinctrl.h>
  23
  24 #include "pinctrl-sunxi.h"
  25
  26 static const struct sunxi_desc_pin sun8i_v3s_pins[] = {
  27         /* Hole */
  28         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 0),
  29                   SUNXI_FUNCTION(0x0, "gpio_in"),
  30                   SUNXI_FUNCTION(0x1, "gpio_out"),
  31                   SUNXI_FUNCTION(0x2, "uart2"),         /* TX */
  32                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)),  /* PB_EINT0 */
  33         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 1),
  34                   SUNXI_FUNCTION(0x0, "gpio_in"),
  35                   SUNXI_FUNCTION(0x1, "gpio_out"),
  36                   SUNXI_FUNCTION(0x2, "uart2"),         /* RX */
  37                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)),  /* PB_EINT1 */
  38         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 2),
  39                   SUNXI_FUNCTION(0x0, "gpio_in"),
  40                   SUNXI_FUNCTION(0x1, "gpio_out"),
  41                   SUNXI_FUNCTION(0x2, "uart2"),         /* RTS */
  42                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)),  /* PB_EINT2 */
  43         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 3),
  44                   SUNXI_FUNCTION(0x0, "gpio_in"),
  45                   SUNXI_FUNCTION(0x1, "gpio_out"),
  46                   SUNXI_FUNCTION(0x2, "uart2"),         /* D1 */
  47                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)),  /* PB_EINT3 */
  48         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 4),
  49                   SUNXI_FUNCTION(0x0, "gpio_in"),
  50                   SUNXI_FUNCTION(0x1, "gpio_out"),
  51                   SUNXI_FUNCTION(0x2, "pwm0"),
  52                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)),  /* PB_EINT4 */
  53         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 5),
  54                   SUNXI_FUNCTION(0x0, "gpio_in"),
  55                   SUNXI_FUNCTION(0x1, "gpio_out"),
  56                   SUNXI_FUNCTION(0x2, "pwm1"),
  57                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)),  /* PB_EINT5 */
  58         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 6),
  59                   SUNXI_FUNCTION(0x0, "gpio_in"),
  60                   SUNXI_FUNCTION(0x1, "gpio_out"),
  61                   SUNXI_FUNCTION(0x2, "i2c0"),          /* SCK */
  62                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)),  /* PB_EINT6 */
  63         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 7),
  64                   SUNXI_FUNCTION(0x0, "gpio_in"),
  65                   SUNXI_FUNCTION(0x1, "gpio_out"),
  66                   SUNXI_FUNCTION(0x2, "i2c0"),          /* SDA */
  67                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)),  /* PB_EINT7 */
  68         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 8),
  69                   SUNXI_FUNCTION(0x0, "gpio_in"),
  70                   SUNXI_FUNCTION(0x1, "gpio_out"),
  71                   SUNXI_FUNCTION(0x2, "i2c1"),          /* SDA */
  72                   SUNXI_FUNCTION(0x3, "uart0"),         /* TX */
  73                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)),  /* PB_EINT8 */
  74         SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 9),
  75                   SUNXI_FUNCTION(0x0, "gpio_in"),
  76                   SUNXI_FUNCTION(0x1, "gpio_out"),
  77                   SUNXI_FUNCTION(0x2, "i2c1"),          /* SCK */
  78                   SUNXI_FUNCTION(0x3, "uart0"),         /* RX */
  79                   SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)),  /* PB_EINT9 */
  80         /* Hole */
  81         SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 0),
  82                   SUNXI_FUNCTION(0x0, "gpio_in"),
  83                   SUNXI_FUNCTION(0x1, "gpio_out"),
  84                   SUNXI_FUNCTION(0x2, "mmc2"),          /* CLK */
  85                   SUNXI_FUNCTION(0x3, "spi0")),         /* MISO */
  86         SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 1),
  87                   SUNXI_FUNCTION(0x0, "gpio_in"),
  88                   SUNXI_FUNCTION(0x1, "gpio_out"),
  89                   SUNXI_FUNCTION(0x2, "mmc2"),          /* CMD */
  90                   SUNXI_FUNCTION(0x3, "spi0")),         /* CLK */
  91         SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 2),
  92                   SUNXI_FUNCTION(0x0, "gpio_in"),
  93                   SUNXI_FUNCTION(0x1, "gpio_out"),
  94                   SUNXI_FUNCTION(0x2, "mmc2"),          /* RST */
  95                   SUNXI_FUNCTION(0x3, "spi0")),         /* CS */
  96         SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 3),
  97                   SUNXI_FUNCTION(0x0, "gpio_in"),
  98                   SUNXI_FUNCTION(0x1, "gpio_out"),
  99                   SUNXI_FUNCTION(0x2, "mmc2"),          /* D0 */
 100                   SUNXI_FUNCTION(0x3, "spi0")),         /* MOSI */
 101         /* Hole */
 102         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 0),
 103                   SUNXI_FUNCTION(0x0, "gpio_in"),
 104                   SUNXI_FUNCTION(0x1, "gpio_out"),
 105                   SUNXI_FUNCTION(0x2, "csi"),           /* PCLK */
 106                   SUNXI_FUNCTION(0x3, "lcd")),          /* CLK */
 107         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 1),
 108                   SUNXI_FUNCTION(0x0, "gpio_in"),
 109                   SUNXI_FUNCTION(0x1, "gpio_out"),
 110                   SUNXI_FUNCTION(0x2, "csi"),           /* MCLK */
 111                   SUNXI_FUNCTION(0x3, "lcd")),          /* DE */
 112         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 2),
 113                   SUNXI_FUNCTION(0x0, "gpio_in"),
 114                   SUNXI_FUNCTION(0x1, "gpio_out"),
 115                   SUNXI_FUNCTION(0x2, "csi"),           /* HSYNC */
 116                   SUNXI_FUNCTION(0x3, "lcd")),          /* HSYNC */
 117         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 3),
 118                   SUNXI_FUNCTION(0x0, "gpio_in"),
 119                   SUNXI_FUNCTION(0x1, "gpio_out"),
 120                   SUNXI_FUNCTION(0x2, "csi"),           /* VSYNC */
 121                   SUNXI_FUNCTION(0x3, "lcd")),          /* VSYNC */
 122         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 4),
 123                   SUNXI_FUNCTION(0x0, "gpio_in"),
 124                   SUNXI_FUNCTION(0x1, "gpio_out"),
 125                   SUNXI_FUNCTION(0x2, "csi"),           /* D0 */
 126                   SUNXI_FUNCTION(0x3, "lcd")),          /* D2 */
 127         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 5),
 128                   SUNXI_FUNCTION(0x0, "gpio_in"),
 129                   SUNXI_FUNCTION(0x1, "gpio_out"),
 130                   SUNXI_FUNCTION(0x2, "csi"),           /* D1 */
 131                   SUNXI_FUNCTION(0x3, "lcd")),          /* D3 */
 132         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 6),
 133                   SUNXI_FUNCTION(0x0, "gpio_in"),
 134                   SUNXI_FUNCTION(0x1, "gpio_out"),
 135                   SUNXI_FUNCTION(0x2, "csi"),           /* D2 */
 136                   SUNXI_FUNCTION(0x3, "lcd")),          /* D4 */
 137         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 7),
 138                   SUNXI_FUNCTION(0x0, "gpio_in"),
 139                   SUNXI_FUNCTION(0x1, "gpio_out"),
 140                   SUNXI_FUNCTION(0x2, "csi"),           /* D3 */
 141                   SUNXI_FUNCTION(0x3, "lcd")),          /* D5 */
 142         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 8),
 143                   SUNXI_FUNCTION(0x0, "gpio_in"),
 144                   SUNXI_FUNCTION(0x1, "gpio_out"),
 145                   SUNXI_FUNCTION(0x2, "csi"),           /* D4 */
 146                   SUNXI_FUNCTION(0x3, "lcd")),          /* D6 */
 147         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 9),
 148                   SUNXI_FUNCTION(0x0, "gpio_in"),
 149                   SUNXI_FUNCTION(0x1, "gpio_out"),
 150                   SUNXI_FUNCTION(0x2, "csi"),           /* D5 */
 151                   SUNXI_FUNCTION(0x3, "lcd")),          /* D7 */
 152         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 10),
 153                   SUNXI_FUNCTION(0x0, "gpio_in"),
 154                   SUNXI_FUNCTION(0x1, "gpio_out"),
 155                   SUNXI_FUNCTION(0x2, "csi"),           /* D6 */
 156                   SUNXI_FUNCTION(0x3, "lcd")),          /* D10 */
 157         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 11),
 158                   SUNXI_FUNCTION(0x0, "gpio_in"),
 159                   SUNXI_FUNCTION(0x1, "gpio_out"),
 160                   SUNXI_FUNCTION(0x2, "csi"),           /* D7 */
 161                   SUNXI_FUNCTION(0x3, "lcd")),          /* D11 */
 162         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 12),
 163                   SUNXI_FUNCTION(0x0, "gpio_in"),
 164                   SUNXI_FUNCTION(0x1, "gpio_out"),
 165                   SUNXI_FUNCTION(0x2, "csi"),           /* D8 */
 166                   SUNXI_FUNCTION(0x3, "lcd")),          /* D12 */
 167         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 13),
 168                   SUNXI_FUNCTION(0x0, "gpio_in"),
 169                   SUNXI_FUNCTION(0x1, "gpio_out"),
 170                   SUNXI_FUNCTION(0x2, "csi"),           /* D9 */
 171                   SUNXI_FUNCTION(0x3, "lcd")),          /* D13 */
 172         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 14),
 173                   SUNXI_FUNCTION(0x0, "gpio_in"),
 174                   SUNXI_FUNCTION(0x1, "gpio_out"),
 175                   SUNXI_FUNCTION(0x2, "csi"),           /* D10 */
 176                   SUNXI_FUNCTION(0x3, "lcd")),          /* D14 */
 177         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 15),
 178                   SUNXI_FUNCTION(0x0, "gpio_in"),
 179                   SUNXI_FUNCTION(0x1, "gpio_out"),
 180                   SUNXI_FUNCTION(0x2, "csi"),           /* D11 */
 181                   SUNXI_FUNCTION(0x3, "lcd")),          /* D15 */
 182         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 16),
 183                   SUNXI_FUNCTION(0x0, "gpio_in"),
 184                   SUNXI_FUNCTION(0x1, "gpio_out"),
 185                   SUNXI_FUNCTION(0x2, "csi"),           /* D12 */
 186                   SUNXI_FUNCTION(0x3, "lcd")),          /* D18 */
 187         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 17),
 188                   SUNXI_FUNCTION(0x0, "gpio_in"),
 189                   SUNXI_FUNCTION(0x1, "gpio_out"),
 190                   SUNXI_FUNCTION(0x2, "csi"),           /* D13 */
 191                   SUNXI_FUNCTION(0x3, "lcd")),          /* D19 */
 192         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 18),
 193                   SUNXI_FUNCTION(0x0, "gpio_in"),
 194                   SUNXI_FUNCTION(0x1, "gpio_out"),
 195                   SUNXI_FUNCTION(0x2, "csi"),           /* D14 */
 196                   SUNXI_FUNCTION(0x3, "lcd")),          /* D20 */
 197         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 19),
 198                   SUNXI_FUNCTION(0x0, "gpio_in"),
 199                   SUNXI_FUNCTION(0x1, "gpio_out"),
 200                   SUNXI_FUNCTION(0x2, "csi"),           /* D15 */
 201                   SUNXI_FUNCTION(0x3, "lcd")),          /* D21 */
 202         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 20),
 203                   SUNXI_FUNCTION(0x0, "gpio_in"),
 204                   SUNXI_FUNCTION(0x1, "gpio_out"),
 205                   SUNXI_FUNCTION(0x2, "csi"),           /* FIELD */
 206                   SUNXI_FUNCTION(0x3, "csi_mipi")),     /* MCLK */
 207         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 21),
 208                   SUNXI_FUNCTION(0x0, "gpio_in"),
 209                   SUNXI_FUNCTION(0x1, "gpio_out"),
 210                   SUNXI_FUNCTION(0x2, "csi"),           /* SCK */
 211                   SUNXI_FUNCTION(0x3, "i2c1"),          /* SCK */
 212                   SUNXI_FUNCTION(0x4, "uart1")),        /* TX */
 213         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 22),
 214                   SUNXI_FUNCTION(0x0, "gpio_in"),
 215                   SUNXI_FUNCTION(0x1, "gpio_out"),
 216                   SUNXI_FUNCTION(0x2, "csi"),           /* SDA */
 217                   SUNXI_FUNCTION(0x3, "i2c1"),          /* SDA */
 218                   SUNXI_FUNCTION(0x4, "uart1")),        /* RX */
 219         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 23),
 220                   SUNXI_FUNCTION(0x0, "gpio_in"),
 221                   SUNXI_FUNCTION(0x1, "gpio_out"),
 222                   SUNXI_FUNCTION(0x3, "lcd"),           /* D22 */
 223                   SUNXI_FUNCTION(0x4, "uart1")),        /* RTS */
 224         SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 24),
 225                   SUNXI_FUNCTION(0x0, "gpio_in"),
 226                   SUNXI_FUNCTION(0x1, "gpio_out"),
 227                   SUNXI_FUNCTION(0x3, "lcd"),           /* D23 */
 228                   SUNXI_FUNCTION(0x4, "uart1")),        /* CTS */
 229         /* Hole */
 230         SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 0),
 231                   SUNXI_FUNCTION(0x0, "gpio_in"),
 232                   SUNXI_FUNCTION(0x1, "gpio_out"),
 233                   SUNXI_FUNCTION(0x2, "mmc0"),          /* D1 */
 234                   SUNXI_FUNCTION(0x3, "jtag")),         /* MS */
 235         SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 1),
 236                   SUNXI_FUNCTION(0x0, "gpio_in"),
 237                   SUNXI_FUNCTION(0x1, "gpio_out"),
 238                   SUNXI_FUNCTION(0x2, "mmc0"),          /* D0 */
 239                   SUNXI_FUNCTION(0x3, "jtag")),         /* DI */
 240         SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 2),
 241                   SUNXI_FUNCTION(0x0, "gpio_in"),
 242                   SUNXI_FUNCTION(0x1, "gpio_out"),
 243                   SUNXI_FUNCTION(0x2, "mmc0"),          /* CLK */
 244                   SUNXI_FUNCTION(0x3, "uart0")),        /* TX */
 245         SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 3),
 246                   SUNXI_FUNCTION(0x0, "gpio_in"),
 247                   SUNXI_FUNCTION(0x1, "gpio_out"),
 248                   SUNXI_FUNCTION(0x2, "mmc0"),          /* CMD */
 249                   SUNXI_FUNCTION(0x3, "jtag")),         /* DO */
 250         SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 4),
 251                   SUNXI_FUNCTION(0x0, "gpio_in"),
 252                   SUNXI_FUNCTION(0x1, "gpio_out"),
 253                   SUNXI_FUNCTION(0x2, "mmc0"),          /* D3 */
 254                   SUNXI_FUNCTION(0x3, "uart0")),        /* RX */
 255         SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 5),
 256                   SUNXI_FUNCTION(0x0, "gpio_in"),
 257                   SUNXI_FUNCTION(0x1, "gpio_out"),
 258                   SUNXI_FUNCTION(0x2, "mmc0"),          /* D2 */
 259                   SUNXI_FUNCTION(0x3, "jtag")),         /* CK */
 260         SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 6),
 261                   SUNXI_FUNCTION(0x0, "gpio_in"),
 262                   SUNXI_FUNCTION(0x1, "gpio_out")),
 263         /* Hole */
 264         SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 0),
 265                   SUNXI_FUNCTION(0x0, "gpio_in"),
 266                   SUNXI_FUNCTION(0x1, "gpio_out"),
 267                   SUNXI_FUNCTION(0x2, "mmc1"),          /* CLK */
 268                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)),  /* PG_EINT0 */
 269         SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 1),
 270                   SUNXI_FUNCTION(0x0, "gpio_in"),
 271                   SUNXI_FUNCTION(0x1, "gpio_out"),
 272                   SUNXI_FUNCTION(0x2, "mmc1"),          /* CMD */
 273                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)),  /* PG_EINT1 */
 274         SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 2),
 275                   SUNXI_FUNCTION(0x0, "gpio_in"),
 276                   SUNXI_FUNCTION(0x1, "gpio_out"),
 277                   SUNXI_FUNCTION(0x2, "mmc1"),          /* D0 */
 278                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2)),  /* PG_EINT2 */
 279         SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 3),
 280                   SUNXI_FUNCTION(0x0, "gpio_in"),
 281                   SUNXI_FUNCTION(0x1, "gpio_out"),
 282                   SUNXI_FUNCTION(0x2, "mmc1"),          /* D1 */
 283                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)),  /* PG_EINT3 */
 284         SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 4),
 285                   SUNXI_FUNCTION(0x0, "gpio_in"),
 286                   SUNXI_FUNCTION(0x1, "gpio_out"),
 287                   SUNXI_FUNCTION(0x2, "mmc1"),          /* D2 */
 288                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)),  /* PG_EINT4 */
 289         SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 5),
 290                   SUNXI_FUNCTION(0x0, "gpio_in"),
 291                   SUNXI_FUNCTION(0x1, "gpio_out"),
 292                   SUNXI_FUNCTION(0x2, "mmc1"),          /* D3 */
 293                   SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 5)),  /* PG_EINT5 */
 294 };
 295
 296 static const unsigned int sun8i_v3s_pinctrl_irq_bank_map[] = { 1, 2 };
 297
 298 static const struct sunxi_pinctrl_desc sun8i_v3s_pinctrl_data = {
 299         .pins = sun8i_v3s_pins,
 300         .npins = ARRAY_SIZE(sun8i_v3s_pins),
 301         .irq_banks = 2,
 302         .irq_bank_map = sun8i_v3s_pinctrl_irq_bank_map,
 303         .irq_read_needs_mux = true
 304 };
 305
 306 static int sun8i_v3s_pinctrl_probe(struct platform_device *pdev)
 307 {
 308         return sunxi_pinctrl_init(pdev,
 309                                   &sun8i_v3s_pinctrl_data);
 310 }
 311
 312 static const struct of_device_id sun8i_v3s_pinctrl_match[] = {
 313         { .compatible = "allwinner,sun8i-v3s-pinctrl", },
 314         {}
 315 };
 316
 317 static struct platform_driver sun8i_v3s_pinctrl_driver = {
 318         .probe  = sun8i_v3s_pinctrl_probe,
 319         .driver = {
 320                 .name           = "sun8i-v3s-pinctrl",
 321                 .of_match_table = sun8i_v3s_pinctrl_match,
 322         },
 323 };
 324 builtin_platform_driver(sun8i_v3s_pinctrl_driver);