drivers/pinctrl/mvebu/pinctrl-armada-370.c

   1 /*
   2  * Marvell Armada 370 pinctrl driver based on mvebu pinctrl core
   3  *
   4  * Copyright (C) 2012 Marvell
   5  *
   6  * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  */
  13
  14 #include <linux/err.h>
  15 #include <linux/init.h>
  16 #include <linux/io.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/clk.h>
  19 #include <linux/of.h>
  20 #include <linux/of_device.h>
  21 #include <linux/pinctrl/pinctrl.h>
  22
  23 #include "pinctrl-mvebu.h"
  24
  25 static struct mvebu_mpp_mode mv88f6710_mpp_modes[] = {
  26         MPP_MODE(0,
  27            MPP_FUNCTION(0x0, "gpio", NULL),
  28            MPP_FUNCTION(0x1, "uart0", "rxd")),
  29         MPP_MODE(1,
  30            MPP_FUNCTION(0x0, "gpo", NULL),
  31            MPP_FUNCTION(0x1, "uart0", "txd")),
  32         MPP_MODE(2,
  33            MPP_FUNCTION(0x0, "gpio", NULL),
  34            MPP_FUNCTION(0x1, "i2c0", "sck"),
  35            MPP_FUNCTION(0x2, "uart0", "txd")),
  36         MPP_MODE(3,
  37            MPP_FUNCTION(0x0, "gpio", NULL),
  38            MPP_FUNCTION(0x1, "i2c0", "sda"),
  39            MPP_FUNCTION(0x2, "uart0", "rxd")),
  40         MPP_MODE(4,
  41            MPP_FUNCTION(0x0, "gpio", NULL),
  42            MPP_FUNCTION(0x1, "vdd", "cpu-pd")),
  43         MPP_MODE(5,
  44            MPP_FUNCTION(0x0, "gpo", NULL),
  45            MPP_FUNCTION(0x1, "ge0", "txclkout"),
  46            MPP_FUNCTION(0x2, "uart1", "txd"),
  47            MPP_FUNCTION(0x4, "spi1", "sck"),
  48            MPP_FUNCTION(0x5, "audio", "mclk")),
  49         MPP_MODE(6,
  50            MPP_FUNCTION(0x0, "gpio", NULL),
  51            MPP_FUNCTION(0x1, "ge0", "txd0"),
  52            MPP_FUNCTION(0x2, "sata0", "prsnt"),
  53            MPP_FUNCTION(0x4, "tdm", "rst"),
  54            MPP_FUNCTION(0x5, "audio", "sdo")),
  55         MPP_MODE(7,
  56            MPP_FUNCTION(0x0, "gpo", NULL),
  57            MPP_FUNCTION(0x1, "ge0", "txd1"),
  58            MPP_FUNCTION(0x4, "tdm", "dtx"),
  59            MPP_FUNCTION(0x5, "audio", "lrclk")),
  60         MPP_MODE(8,
  61            MPP_FUNCTION(0x0, "gpio", NULL),
  62            MPP_FUNCTION(0x1, "ge0", "txd2"),
  63            MPP_FUNCTION(0x2, "uart0", "rts"),
  64            MPP_FUNCTION(0x4, "tdm", "drx"),
  65            MPP_FUNCTION(0x5, "audio", "bclk")),
  66         MPP_MODE(9,
  67            MPP_FUNCTION(0x0, "gpo", NULL),
  68            MPP_FUNCTION(0x1, "ge0", "txd3"),
  69            MPP_FUNCTION(0x2, "uart1", "txd"),
  70            MPP_FUNCTION(0x3, "sd0", "clk"),
  71            MPP_FUNCTION(0x5, "audio", "spdifo")),
  72         MPP_MODE(10,
  73            MPP_FUNCTION(0x0, "gpio", NULL),
  74            MPP_FUNCTION(0x1, "ge0", "txctl"),
  75            MPP_FUNCTION(0x2, "uart0", "cts"),
  76            MPP_FUNCTION(0x4, "tdm", "fsync"),
  77            MPP_FUNCTION(0x5, "audio", "sdi")),
  78         MPP_MODE(11,
  79            MPP_FUNCTION(0x0, "gpio", NULL),
  80            MPP_FUNCTION(0x1, "ge0", "rxd0"),
  81            MPP_FUNCTION(0x2, "uart1", "rxd"),
  82            MPP_FUNCTION(0x3, "sd0", "cmd"),
  83            MPP_FUNCTION(0x4, "spi0", "cs1"),
  84            MPP_FUNCTION(0x5, "sata1", "prsnt"),
  85            MPP_FUNCTION(0x6, "spi1", "cs1")),
  86         MPP_MODE(12,
  87            MPP_FUNCTION(0x0, "gpio", NULL),
  88            MPP_FUNCTION(0x1, "ge0", "rxd1"),
  89            MPP_FUNCTION(0x2, "i2c1", "sda"),
  90            MPP_FUNCTION(0x3, "sd0", "d0"),
  91            MPP_FUNCTION(0x4, "spi1", "cs0"),
  92            MPP_FUNCTION(0x5, "audio", "spdifi")),
  93         MPP_MODE(13,
  94            MPP_FUNCTION(0x0, "gpio", NULL),
  95            MPP_FUNCTION(0x1, "ge0", "rxd2"),
  96            MPP_FUNCTION(0x2, "i2c1", "sck"),
  97            MPP_FUNCTION(0x3, "sd0", "d1"),
  98            MPP_FUNCTION(0x4, "tdm", "pclk"),
  99            MPP_FUNCTION(0x5, "audio", "rmclk")),
 100         MPP_MODE(14,
 101            MPP_FUNCTION(0x0, "gpio", NULL),
 102            MPP_FUNCTION(0x1, "ge0", "rxd3"),
 103            MPP_FUNCTION(0x2, "pcie", "clkreq0"),
 104            MPP_FUNCTION(0x3, "sd0", "d2"),
 105            MPP_FUNCTION(0x4, "spi1", "mosi"),
 106            MPP_FUNCTION(0x5, "spi0", "cs2")),
 107         MPP_MODE(15,
 108            MPP_FUNCTION(0x0, "gpio", NULL),
 109            MPP_FUNCTION(0x1, "ge0", "rxctl"),
 110            MPP_FUNCTION(0x2, "pcie", "clkreq1"),
 111            MPP_FUNCTION(0x3, "sd0", "d3"),
 112            MPP_FUNCTION(0x4, "spi1", "miso"),
 113            MPP_FUNCTION(0x5, "spi0", "cs3")),
 114         MPP_MODE(16,
 115            MPP_FUNCTION(0x0, "gpio", NULL),
 116            MPP_FUNCTION(0x1, "ge0", "rxclk"),
 117            MPP_FUNCTION(0x2, "uart1", "rxd"),
 118            MPP_FUNCTION(0x4, "tdm", "int"),
 119            MPP_FUNCTION(0x5, "audio", "extclk")),
 120         MPP_MODE(17,
 121            MPP_FUNCTION(0x0, "gpo", NULL),
 122            MPP_FUNCTION(0x1, "ge", "mdc")),
 123         MPP_MODE(18,
 124            MPP_FUNCTION(0x0, "gpio", NULL),
 125            MPP_FUNCTION(0x1, "ge", "mdio")),
 126         MPP_MODE(19,
 127            MPP_FUNCTION(0x0, "gpio", NULL),
 128            MPP_FUNCTION(0x1, "ge0", "txclk"),
 129            MPP_FUNCTION(0x2, "ge1", "txclkout"),
 130            MPP_FUNCTION(0x4, "tdm", "pclk")),
 131         MPP_MODE(20,
 132            MPP_FUNCTION(0x0, "gpo", NULL),
 133            MPP_FUNCTION(0x1, "ge0", "txd4"),
 134            MPP_FUNCTION(0x2, "ge1", "txd0")),
 135         MPP_MODE(21,
 136            MPP_FUNCTION(0x0, "gpo", NULL),
 137            MPP_FUNCTION(0x1, "ge0", "txd5"),
 138            MPP_FUNCTION(0x2, "ge1", "txd1"),
 139            MPP_FUNCTION(0x4, "uart1", "txd")),
 140         MPP_MODE(22,
 141            MPP_FUNCTION(0x0, "gpo", NULL),
 142            MPP_FUNCTION(0x1, "ge0", "txd6"),
 143            MPP_FUNCTION(0x2, "ge1", "txd2"),
 144            MPP_FUNCTION(0x4, "uart0", "rts")),
 145         MPP_MODE(23,
 146            MPP_FUNCTION(0x0, "gpo", NULL),
 147            MPP_FUNCTION(0x1, "ge0", "txd7"),
 148            MPP_FUNCTION(0x2, "ge1", "txd3"),
 149            MPP_FUNCTION(0x4, "spi1", "mosi")),
 150         MPP_MODE(24,
 151            MPP_FUNCTION(0x0, "gpio", NULL),
 152            MPP_FUNCTION(0x1, "ge0", "col"),
 153            MPP_FUNCTION(0x2, "ge1", "txctl"),
 154            MPP_FUNCTION(0x4, "spi1", "cs0")),
 155         MPP_MODE(25,
 156            MPP_FUNCTION(0x0, "gpio", NULL),
 157            MPP_FUNCTION(0x1, "ge0", "rxerr"),
 158            MPP_FUNCTION(0x2, "ge1", "rxd0"),
 159            MPP_FUNCTION(0x4, "uart1", "rxd")),
 160         MPP_MODE(26,
 161            MPP_FUNCTION(0x0, "gpio", NULL),
 162            MPP_FUNCTION(0x1, "ge0", "crs"),
 163            MPP_FUNCTION(0x2, "ge1", "rxd1"),
 164            MPP_FUNCTION(0x4, "spi1", "miso")),
 165         MPP_MODE(27,
 166            MPP_FUNCTION(0x0, "gpio", NULL),
 167            MPP_FUNCTION(0x1, "ge0", "rxd4"),
 168            MPP_FUNCTION(0x2, "ge1", "rxd2"),
 169            MPP_FUNCTION(0x4, "uart0", "cts")),
 170         MPP_MODE(28,
 171            MPP_FUNCTION(0x0, "gpio", NULL),
 172            MPP_FUNCTION(0x1, "ge0", "rxd5"),
 173            MPP_FUNCTION(0x2, "ge1", "rxd3")),
 174         MPP_MODE(29,
 175            MPP_FUNCTION(0x0, "gpio", NULL),
 176            MPP_FUNCTION(0x1, "ge0", "rxd6"),
 177            MPP_FUNCTION(0x2, "ge1", "rxctl"),
 178            MPP_FUNCTION(0x4, "i2c1", "sda")),
 179         MPP_MODE(30,
 180            MPP_FUNCTION(0x0, "gpio", NULL),
 181            MPP_FUNCTION(0x1, "ge0", "rxd7"),
 182            MPP_FUNCTION(0x2, "ge1", "rxclk"),
 183            MPP_FUNCTION(0x4, "i2c1", "sck")),
 184         MPP_MODE(31,
 185            MPP_FUNCTION(0x0, "gpio", NULL),
 186            MPP_FUNCTION(0x3, "tclk", NULL),
 187            MPP_FUNCTION(0x4, "ge0", "txerr")),
 188         MPP_MODE(32,
 189            MPP_FUNCTION(0x0, "gpio", NULL),
 190            MPP_FUNCTION(0x1, "spi0", "cs0")),
 191         MPP_MODE(33,
 192            MPP_FUNCTION(0x0, "gpio", NULL),
 193            MPP_FUNCTION(0x1, "dev", "bootcs"),
 194            MPP_FUNCTION(0x2, "spi0", "cs0")),
 195         MPP_MODE(34,
 196            MPP_FUNCTION(0x0, "gpo", NULL),
 197            MPP_FUNCTION(0x1, "dev", "we0"),
 198            MPP_FUNCTION(0x2, "spi0", "mosi")),
 199         MPP_MODE(35,
 200            MPP_FUNCTION(0x0, "gpo", NULL),
 201            MPP_FUNCTION(0x1, "dev", "oe"),
 202            MPP_FUNCTION(0x2, "spi0", "sck")),
 203         MPP_MODE(36,
 204            MPP_FUNCTION(0x0, "gpo", NULL),
 205            MPP_FUNCTION(0x1, "dev", "a1"),
 206            MPP_FUNCTION(0x2, "spi0", "miso")),
 207         MPP_MODE(37,
 208            MPP_FUNCTION(0x0, "gpo", NULL),
 209            MPP_FUNCTION(0x1, "dev", "a0"),
 210            MPP_FUNCTION(0x2, "sata0", "prsnt")),
 211         MPP_MODE(38,
 212            MPP_FUNCTION(0x0, "gpio", NULL),
 213            MPP_FUNCTION(0x1, "dev", "ready"),
 214            MPP_FUNCTION(0x2, "uart1", "cts"),
 215            MPP_FUNCTION(0x3, "uart0", "cts")),
 216         MPP_MODE(39,
 217            MPP_FUNCTION(0x0, "gpo", NULL),
 218            MPP_FUNCTION(0x1, "dev", "ad0"),
 219            MPP_FUNCTION(0x2, "audio", "spdifo")),
 220         MPP_MODE(40,
 221            MPP_FUNCTION(0x0, "gpio", NULL),
 222            MPP_FUNCTION(0x1, "dev", "ad1"),
 223            MPP_FUNCTION(0x2, "uart1", "rts"),
 224            MPP_FUNCTION(0x3, "uart0", "rts")),
 225         MPP_MODE(41,
 226            MPP_FUNCTION(0x0, "gpio", NULL),
 227            MPP_FUNCTION(0x1, "dev", "ad2"),
 228            MPP_FUNCTION(0x2, "uart1", "rxd")),
 229         MPP_MODE(42,
 230            MPP_FUNCTION(0x0, "gpo", NULL),
 231            MPP_FUNCTION(0x1, "dev", "ad3"),
 232            MPP_FUNCTION(0x2, "uart1", "txd")),
 233         MPP_MODE(43,
 234            MPP_FUNCTION(0x0, "gpo", NULL),
 235            MPP_FUNCTION(0x1, "dev", "ad4"),
 236            MPP_FUNCTION(0x2, "audio", "bclk")),
 237         MPP_MODE(44,
 238            MPP_FUNCTION(0x0, "gpo", NULL),
 239            MPP_FUNCTION(0x1, "dev", "ad5"),
 240            MPP_FUNCTION(0x2, "audio", "mclk")),
 241         MPP_MODE(45,
 242            MPP_FUNCTION(0x0, "gpo", NULL),
 243            MPP_FUNCTION(0x1, "dev", "ad6"),
 244            MPP_FUNCTION(0x2, "audio", "lrclk")),
 245         MPP_MODE(46,
 246            MPP_FUNCTION(0x0, "gpo", NULL),
 247            MPP_FUNCTION(0x1, "dev", "ad7"),
 248            MPP_FUNCTION(0x2, "audio", "sdo")),
 249         MPP_MODE(47,
 250            MPP_FUNCTION(0x0, "gpo", NULL),
 251            MPP_FUNCTION(0x1, "dev", "ad8"),
 252            MPP_FUNCTION(0x3, "sd0", "clk"),
 253            MPP_FUNCTION(0x5, "audio", "spdifo")),
 254         MPP_MODE(48,
 255            MPP_FUNCTION(0x0, "gpio", NULL),
 256            MPP_FUNCTION(0x1, "dev", "ad9"),
 257            MPP_FUNCTION(0x2, "uart0", "rts"),
 258            MPP_FUNCTION(0x3, "sd0", "cmd"),
 259            MPP_FUNCTION(0x4, "sata1", "prsnt"),
 260            MPP_FUNCTION(0x5, "spi0", "cs1")),
 261         MPP_MODE(49,
 262            MPP_FUNCTION(0x0, "gpio", NULL),
 263            MPP_FUNCTION(0x1, "dev", "ad10"),
 264            MPP_FUNCTION(0x2, "pcie", "clkreq1"),
 265            MPP_FUNCTION(0x3, "sd0", "d0"),
 266            MPP_FUNCTION(0x4, "spi1", "cs0"),
 267            MPP_FUNCTION(0x5, "audio", "spdifi")),
 268         MPP_MODE(50,
 269            MPP_FUNCTION(0x0, "gpio", NULL),
 270            MPP_FUNCTION(0x1, "dev", "ad11"),
 271            MPP_FUNCTION(0x2, "uart0", "cts"),
 272            MPP_FUNCTION(0x3, "sd0", "d1"),
 273            MPP_FUNCTION(0x4, "spi1", "miso"),
 274            MPP_FUNCTION(0x5, "audio", "rmclk")),
 275         MPP_MODE(51,
 276            MPP_FUNCTION(0x0, "gpio", NULL),
 277            MPP_FUNCTION(0x1, "dev", "ad12"),
 278            MPP_FUNCTION(0x2, "i2c1", "sda"),
 279            MPP_FUNCTION(0x3, "sd0", "d2"),
 280            MPP_FUNCTION(0x4, "spi1", "mosi")),
 281         MPP_MODE(52,
 282            MPP_FUNCTION(0x0, "gpio", NULL),
 283            MPP_FUNCTION(0x1, "dev", "ad13"),
 284            MPP_FUNCTION(0x2, "i2c1", "sck"),
 285            MPP_FUNCTION(0x3, "sd0", "d3"),
 286            MPP_FUNCTION(0x4, "spi1", "sck")),
 287         MPP_MODE(53,
 288            MPP_FUNCTION(0x0, "gpio", NULL),
 289            MPP_FUNCTION(0x1, "dev", "ad14"),
 290            MPP_FUNCTION(0x2, "sd0", "clk"),
 291            MPP_FUNCTION(0x3, "tdm", "pclk"),
 292            MPP_FUNCTION(0x4, "spi0", "cs2"),
 293            MPP_FUNCTION(0x5, "pcie", "clkreq1")),
 294         MPP_MODE(54,
 295            MPP_FUNCTION(0x0, "gpo", NULL),
 296            MPP_FUNCTION(0x1, "dev", "ad15"),
 297            MPP_FUNCTION(0x3, "tdm", "dtx")),
 298         MPP_MODE(55,
 299            MPP_FUNCTION(0x0, "gpio", NULL),
 300            MPP_FUNCTION(0x1, "dev", "cs1"),
 301            MPP_FUNCTION(0x2, "uart1", "txd"),
 302            MPP_FUNCTION(0x3, "tdm", "rst"),
 303            MPP_FUNCTION(0x4, "sata1", "prsnt"),
 304            MPP_FUNCTION(0x5, "sata0", "prsnt")),
 305         MPP_MODE(56,
 306            MPP_FUNCTION(0x0, "gpio", NULL),
 307            MPP_FUNCTION(0x1, "dev", "cs2"),
 308            MPP_FUNCTION(0x2, "uart1", "cts"),
 309            MPP_FUNCTION(0x3, "uart0", "cts"),
 310            MPP_FUNCTION(0x4, "spi0", "cs3"),
 311            MPP_FUNCTION(0x5, "pcie", "clkreq0"),
 312            MPP_FUNCTION(0x6, "spi1", "cs1")),
 313         MPP_MODE(57,
 314            MPP_FUNCTION(0x0, "gpio", NULL),
 315            MPP_FUNCTION(0x1, "dev", "cs3"),
 316            MPP_FUNCTION(0x2, "uart1", "rxd"),
 317            MPP_FUNCTION(0x3, "tdm", "fsync"),
 318            MPP_FUNCTION(0x4, "sata0", "prsnt"),
 319            MPP_FUNCTION(0x5, "audio", "sdo")),
 320         MPP_MODE(58,
 321            MPP_FUNCTION(0x0, "gpio", NULL),
 322            MPP_FUNCTION(0x1, "dev", "cs0"),
 323            MPP_FUNCTION(0x2, "uart1", "rts"),
 324            MPP_FUNCTION(0x3, "tdm", "int"),
 325            MPP_FUNCTION(0x5, "audio", "extclk"),
 326            MPP_FUNCTION(0x6, "uart0", "rts")),
 327         MPP_MODE(59,
 328            MPP_FUNCTION(0x0, "gpo", NULL),
 329            MPP_FUNCTION(0x1, "dev", "ale0"),
 330            MPP_FUNCTION(0x2, "uart1", "rts"),
 331            MPP_FUNCTION(0x3, "uart0", "rts"),
 332            MPP_FUNCTION(0x5, "audio", "bclk")),
 333         MPP_MODE(60,
 334            MPP_FUNCTION(0x0, "gpio", NULL),
 335            MPP_FUNCTION(0x1, "dev", "ale1"),
 336            MPP_FUNCTION(0x2, "uart1", "rxd"),
 337            MPP_FUNCTION(0x3, "sata0", "prsnt"),
 338            MPP_FUNCTION(0x4, "pcie", "rstout"),
 339            MPP_FUNCTION(0x5, "audio", "sdi")),
 340         MPP_MODE(61,
 341            MPP_FUNCTION(0x0, "gpo", NULL),
 342            MPP_FUNCTION(0x1, "dev", "we1"),
 343            MPP_FUNCTION(0x2, "uart1", "txd"),
 344            MPP_FUNCTION(0x5, "audio", "lrclk")),
 345         MPP_MODE(62,
 346            MPP_FUNCTION(0x0, "gpio", NULL),
 347            MPP_FUNCTION(0x1, "dev", "a2"),
 348            MPP_FUNCTION(0x2, "uart1", "cts"),
 349            MPP_FUNCTION(0x3, "tdm", "drx"),
 350            MPP_FUNCTION(0x4, "pcie", "clkreq0"),
 351            MPP_FUNCTION(0x5, "audio", "mclk"),
 352            MPP_FUNCTION(0x6, "uart0", "cts")),
 353         MPP_MODE(63,
 354            MPP_FUNCTION(0x0, "gpio", NULL),
 355            MPP_FUNCTION(0x1, "spi0", "sck"),
 356            MPP_FUNCTION(0x2, "tclk", NULL)),
 357         MPP_MODE(64,
 358            MPP_FUNCTION(0x0, "gpio", NULL),
 359            MPP_FUNCTION(0x1, "spi0", "miso"),
 360            MPP_FUNCTION(0x2, "spi0", "cs1")),
 361         MPP_MODE(65,
 362            MPP_FUNCTION(0x0, "gpio", NULL),
 363            MPP_FUNCTION(0x1, "spi0", "mosi"),
 364            MPP_FUNCTION(0x2, "spi0", "cs2")),
 365 };
 366
 367 static struct mvebu_pinctrl_soc_info armada_370_pinctrl_info;
 368
 369 static const struct of_device_id armada_370_pinctrl_of_match[] = {
 370         { .compatible = "marvell,mv88f6710-pinctrl" },
 371         { },
 372 };
 373
 374 static const struct mvebu_mpp_ctrl mv88f6710_mpp_controls[] = {
 375         MPP_FUNC_CTRL(0, 65, NULL, mvebu_mmio_mpp_ctrl),
 376 };
 377
 378 static struct pinctrl_gpio_range mv88f6710_mpp_gpio_ranges[] = {
 379         MPP_GPIO_RANGE(0,   0,  0, 32),
 380         MPP_GPIO_RANGE(1,  32, 32, 32),
 381         MPP_GPIO_RANGE(2,  64, 64,  2),
 382 };
 383
 384 static int armada_370_pinctrl_probe(struct platform_device *pdev)
 385 {
 386         struct mvebu_pinctrl_soc_info *soc = &armada_370_pinctrl_info;
 387
 388         soc->variant = 0; /* no variants for Armada 370 */
 389         soc->controls = mv88f6710_mpp_controls;
 390         soc->ncontrols = ARRAY_SIZE(mv88f6710_mpp_controls);
 391         soc->modes = mv88f6710_mpp_modes;
 392         soc->nmodes = ARRAY_SIZE(mv88f6710_mpp_modes);
 393         soc->gpioranges = mv88f6710_mpp_gpio_ranges;
 394         soc->ngpioranges = ARRAY_SIZE(mv88f6710_mpp_gpio_ranges);
 395
 396         pdev->dev.platform_data = soc;
 397
 398         return mvebu_pinctrl_simple_mmio_probe(pdev);
 399 }
 400
 401 static struct platform_driver armada_370_pinctrl_driver = {
 402         .driver = {
 403                 .name = "armada-370-pinctrl",
 404                 .of_match_table = armada_370_pinctrl_of_match,
 405         },
 406         .probe = armada_370_pinctrl_probe,
 407 };
 408 builtin_platform_driver(armada_370_pinctrl_driver);