linux/drivers/pinctrl/vt8500/pinctrl-wm8750.c
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   1/*
   2 * Pinctrl data for Wondermedia WM8750 SoC
   3 *
   4 * Copyright (c) 2013 Tony Prisk <linux@prisktech.co.nz>
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms and conditions of the GNU General Public License,
   8 * version 2, as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope it will be useful, but WITHOUT
  11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 * more details.
  14 */
  15
  16#include <linux/io.h>
  17#include <linux/module.h>
  18#include <linux/pinctrl/pinctrl.h>
  19#include <linux/platform_device.h>
  20#include <linux/slab.h>
  21
  22#include "pinctrl-wmt.h"
  23
  24/*
  25 * Describe the register offsets within the GPIO memory space
  26 * The dedicated external GPIO's should always be listed in bank 0
  27 * so they are exported in the 0..31 range which is what users
  28 * expect.
  29 *
  30 * Do not reorder these banks as it will change the pin numbering
  31 */
  32static const struct wmt_pinctrl_bank_registers wm8750_banks[] = {
  33        WMT_PINCTRL_BANK(0x40, 0x80, 0xC0, 0x00, 0x480, 0x4C0), /* 0 */
  34        WMT_PINCTRL_BANK(0x44, 0x84, 0xC4, 0x04, 0x484, 0x4C4), /* 1 */
  35        WMT_PINCTRL_BANK(0x48, 0x88, 0xC8, 0x08, 0x488, 0x4C8), /* 2 */
  36        WMT_PINCTRL_BANK(0x4C, 0x8C, 0xCC, 0x0C, 0x48C, 0x4CC), /* 3 */
  37        WMT_PINCTRL_BANK(0x50, 0x90, 0xD0, 0x10, 0x490, 0x4D0), /* 4 */
  38        WMT_PINCTRL_BANK(0x54, 0x94, 0xD4, 0x14, 0x494, 0x4D4), /* 5 */
  39        WMT_PINCTRL_BANK(0x58, 0x98, 0xD8, 0x18, 0x498, 0x4D8), /* 6 */
  40        WMT_PINCTRL_BANK(0x5C, 0x9C, 0xDC, 0x1C, 0x49C, 0x4DC), /* 7 */
  41        WMT_PINCTRL_BANK(0x60, 0xA0, 0xE0, 0x20, 0x4A0, 0x4E0), /* 8 */
  42        WMT_PINCTRL_BANK(0x70, 0xB0, 0xF0, 0x30, 0x4B0, 0x4F0), /* 9 */
  43        WMT_PINCTRL_BANK(0x7C, 0xBC, 0xDC, 0x3C, 0x4BC, 0x4FC), /* 10 */
  44};
  45
  46/* Please keep sorted by bank/bit */
  47#define WMT_PIN_EXTGPIO0        WMT_PIN(0, 0)
  48#define WMT_PIN_EXTGPIO1        WMT_PIN(0, 1)
  49#define WMT_PIN_EXTGPIO2        WMT_PIN(0, 2)
  50#define WMT_PIN_EXTGPIO3        WMT_PIN(0, 3)
  51#define WMT_PIN_EXTGPIO4        WMT_PIN(0, 4)
  52#define WMT_PIN_EXTGPIO5        WMT_PIN(0, 5)
  53#define WMT_PIN_EXTGPIO6        WMT_PIN(0, 6)
  54#define WMT_PIN_EXTGPIO7        WMT_PIN(0, 7)
  55#define WMT_PIN_WAKEUP0         WMT_PIN(0, 16)
  56#define WMT_PIN_WAKEUP1         WMT_PIN(0, 17)
  57#define WMT_PIN_SD0CD           WMT_PIN(0, 28)
  58#define WMT_PIN_VDOUT0          WMT_PIN(1, 0)
  59#define WMT_PIN_VDOUT1          WMT_PIN(1, 1)
  60#define WMT_PIN_VDOUT2          WMT_PIN(1, 2)
  61#define WMT_PIN_VDOUT3          WMT_PIN(1, 3)
  62#define WMT_PIN_VDOUT4          WMT_PIN(1, 4)
  63#define WMT_PIN_VDOUT5          WMT_PIN(1, 5)
  64#define WMT_PIN_VDOUT6          WMT_PIN(1, 6)
  65#define WMT_PIN_VDOUT7          WMT_PIN(1, 7)
  66#define WMT_PIN_VDOUT8          WMT_PIN(1, 8)
  67#define WMT_PIN_VDOUT9          WMT_PIN(1, 9)
  68#define WMT_PIN_VDOUT10         WMT_PIN(1, 10)
  69#define WMT_PIN_VDOUT11         WMT_PIN(1, 11)
  70#define WMT_PIN_VDOUT12         WMT_PIN(1, 12)
  71#define WMT_PIN_VDOUT13         WMT_PIN(1, 13)
  72#define WMT_PIN_VDOUT14         WMT_PIN(1, 14)
  73#define WMT_PIN_VDOUT15         WMT_PIN(1, 15)
  74#define WMT_PIN_VDOUT16         WMT_PIN(1, 16)
  75#define WMT_PIN_VDOUT17         WMT_PIN(1, 17)
  76#define WMT_PIN_VDOUT18         WMT_PIN(1, 18)
  77#define WMT_PIN_VDOUT19         WMT_PIN(1, 19)
  78#define WMT_PIN_VDOUT20         WMT_PIN(1, 20)
  79#define WMT_PIN_VDOUT21         WMT_PIN(1, 21)
  80#define WMT_PIN_VDOUT22         WMT_PIN(1, 22)
  81#define WMT_PIN_VDOUT23         WMT_PIN(1, 23)
  82#define WMT_PIN_VDIN0           WMT_PIN(2, 0)
  83#define WMT_PIN_VDIN1           WMT_PIN(2, 1)
  84#define WMT_PIN_VDIN2           WMT_PIN(2, 2)
  85#define WMT_PIN_VDIN3           WMT_PIN(2, 3)
  86#define WMT_PIN_VDIN4           WMT_PIN(2, 4)
  87#define WMT_PIN_VDIN5           WMT_PIN(2, 5)
  88#define WMT_PIN_VDIN6           WMT_PIN(2, 6)
  89#define WMT_PIN_VDIN7           WMT_PIN(2, 7)
  90#define WMT_PIN_SPI0_MOSI       WMT_PIN(2, 24)
  91#define WMT_PIN_SPI0_MISO       WMT_PIN(2, 25)
  92#define WMT_PIN_SPI0_SS         WMT_PIN(2, 26)
  93#define WMT_PIN_SPI0_CLK        WMT_PIN(2, 27)
  94#define WMT_PIN_SPI0_SSB        WMT_PIN(2, 28)
  95#define WMT_PIN_SD0CLK          WMT_PIN(3, 17)
  96#define WMT_PIN_SD0CMD          WMT_PIN(3, 18)
  97#define WMT_PIN_SD0WP           WMT_PIN(3, 19)
  98#define WMT_PIN_SD0DATA0        WMT_PIN(3, 20)
  99#define WMT_PIN_SD0DATA1        WMT_PIN(3, 21)
 100#define WMT_PIN_SD0DATA2        WMT_PIN(3, 22)
 101#define WMT_PIN_SD0DATA3        WMT_PIN(3, 23)
 102#define WMT_PIN_SD1DATA0        WMT_PIN(3, 24)
 103#define WMT_PIN_SD1DATA1        WMT_PIN(3, 25)
 104#define WMT_PIN_SD1DATA2        WMT_PIN(3, 26)
 105#define WMT_PIN_SD1DATA3        WMT_PIN(3, 27)
 106#define WMT_PIN_SD1DATA4        WMT_PIN(3, 28)
 107#define WMT_PIN_SD1DATA5        WMT_PIN(3, 29)
 108#define WMT_PIN_SD1DATA6        WMT_PIN(3, 30)
 109#define WMT_PIN_SD1DATA7        WMT_PIN(3, 31)
 110#define WMT_PIN_I2C0_SCL        WMT_PIN(5, 8)
 111#define WMT_PIN_I2C0_SDA        WMT_PIN(5, 9)
 112#define WMT_PIN_I2C1_SCL        WMT_PIN(5, 10)
 113#define WMT_PIN_I2C1_SDA        WMT_PIN(5, 11)
 114#define WMT_PIN_I2C2_SCL        WMT_PIN(5, 12)
 115#define WMT_PIN_I2C2_SDA        WMT_PIN(5, 13)
 116#define WMT_PIN_UART0_RTS       WMT_PIN(5, 16)
 117#define WMT_PIN_UART0_TXD       WMT_PIN(5, 17)
 118#define WMT_PIN_UART0_CTS       WMT_PIN(5, 18)
 119#define WMT_PIN_UART0_RXD       WMT_PIN(5, 19)
 120#define WMT_PIN_UART1_RTS       WMT_PIN(5, 20)
 121#define WMT_PIN_UART1_TXD       WMT_PIN(5, 21)
 122#define WMT_PIN_UART1_CTS       WMT_PIN(5, 22)
 123#define WMT_PIN_UART1_RXD       WMT_PIN(5, 23)
 124#define WMT_PIN_UART2_RTS       WMT_PIN(5, 24)
 125#define WMT_PIN_UART2_TXD       WMT_PIN(5, 25)
 126#define WMT_PIN_UART2_CTS       WMT_PIN(5, 26)
 127#define WMT_PIN_UART2_RXD       WMT_PIN(5, 27)
 128#define WMT_PIN_UART3_RTS       WMT_PIN(5, 28)
 129#define WMT_PIN_UART3_TXD       WMT_PIN(5, 29)
 130#define WMT_PIN_UART3_CTS       WMT_PIN(5, 30)
 131#define WMT_PIN_UART3_RXD       WMT_PIN(5, 31)
 132#define WMT_PIN_SD2CD           WMT_PIN(6, 0)
 133#define WMT_PIN_SD2DATA3        WMT_PIN(6, 1)
 134#define WMT_PIN_SD2DATA0        WMT_PIN(6, 2)
 135#define WMT_PIN_SD2WP           WMT_PIN(6, 3)
 136#define WMT_PIN_SD2DATA1        WMT_PIN(6, 4)
 137#define WMT_PIN_SD2DATA2        WMT_PIN(6, 5)
 138#define WMT_PIN_SD2CMD          WMT_PIN(6, 6)
 139#define WMT_PIN_SD2CLK          WMT_PIN(6, 7)
 140#define WMT_PIN_SD2PWR          WMT_PIN(6, 9)
 141#define WMT_PIN_SD1CLK          WMT_PIN(7, 0)
 142#define WMT_PIN_SD1CMD          WMT_PIN(7, 1)
 143#define WMT_PIN_SD1PWR          WMT_PIN(7, 10)
 144#define WMT_PIN_SD1WP           WMT_PIN(7, 11)
 145#define WMT_PIN_SD1CD           WMT_PIN(7, 12)
 146#define WMT_PIN_SPI0SS3         WMT_PIN(7, 24)
 147#define WMT_PIN_SPI0SS2         WMT_PIN(7, 25)
 148#define WMT_PIN_PWMOUT1         WMT_PIN(7, 26)
 149#define WMT_PIN_PWMOUT0         WMT_PIN(7, 27)
 150
 151static const struct pinctrl_pin_desc wm8750_pins[] = {
 152        PINCTRL_PIN(WMT_PIN_EXTGPIO0, "extgpio0"),
 153        PINCTRL_PIN(WMT_PIN_EXTGPIO1, "extgpio1"),
 154        PINCTRL_PIN(WMT_PIN_EXTGPIO2, "extgpio2"),
 155        PINCTRL_PIN(WMT_PIN_EXTGPIO3, "extgpio3"),
 156        PINCTRL_PIN(WMT_PIN_EXTGPIO4, "extgpio4"),
 157        PINCTRL_PIN(WMT_PIN_EXTGPIO5, "extgpio5"),
 158        PINCTRL_PIN(WMT_PIN_EXTGPIO6, "extgpio6"),
 159        PINCTRL_PIN(WMT_PIN_EXTGPIO7, "extgpio7"),
 160        PINCTRL_PIN(WMT_PIN_WAKEUP0, "wakeup0"),
 161        PINCTRL_PIN(WMT_PIN_WAKEUP1, "wakeup1"),
 162        PINCTRL_PIN(WMT_PIN_SD0CD, "sd0_cd"),
 163        PINCTRL_PIN(WMT_PIN_VDOUT0, "vdout0"),
 164        PINCTRL_PIN(WMT_PIN_VDOUT1, "vdout1"),
 165        PINCTRL_PIN(WMT_PIN_VDOUT2, "vdout2"),
 166        PINCTRL_PIN(WMT_PIN_VDOUT3, "vdout3"),
 167        PINCTRL_PIN(WMT_PIN_VDOUT4, "vdout4"),
 168        PINCTRL_PIN(WMT_PIN_VDOUT5, "vdout5"),
 169        PINCTRL_PIN(WMT_PIN_VDOUT6, "vdout6"),
 170        PINCTRL_PIN(WMT_PIN_VDOUT7, "vdout7"),
 171        PINCTRL_PIN(WMT_PIN_VDOUT8, "vdout8"),
 172        PINCTRL_PIN(WMT_PIN_VDOUT9, "vdout9"),
 173        PINCTRL_PIN(WMT_PIN_VDOUT10, "vdout10"),
 174        PINCTRL_PIN(WMT_PIN_VDOUT11, "vdout11"),
 175        PINCTRL_PIN(WMT_PIN_VDOUT12, "vdout12"),
 176        PINCTRL_PIN(WMT_PIN_VDOUT13, "vdout13"),
 177        PINCTRL_PIN(WMT_PIN_VDOUT14, "vdout14"),
 178        PINCTRL_PIN(WMT_PIN_VDOUT15, "vdout15"),
 179        PINCTRL_PIN(WMT_PIN_VDOUT16, "vdout16"),
 180        PINCTRL_PIN(WMT_PIN_VDOUT17, "vdout17"),
 181        PINCTRL_PIN(WMT_PIN_VDOUT18, "vdout18"),
 182        PINCTRL_PIN(WMT_PIN_VDOUT19, "vdout19"),
 183        PINCTRL_PIN(WMT_PIN_VDOUT20, "vdout20"),
 184        PINCTRL_PIN(WMT_PIN_VDOUT21, "vdout21"),
 185        PINCTRL_PIN(WMT_PIN_VDOUT22, "vdout22"),
 186        PINCTRL_PIN(WMT_PIN_VDOUT23, "vdout23"),
 187        PINCTRL_PIN(WMT_PIN_VDIN0, "vdin0"),
 188        PINCTRL_PIN(WMT_PIN_VDIN1, "vdin1"),
 189        PINCTRL_PIN(WMT_PIN_VDIN2, "vdin2"),
 190        PINCTRL_PIN(WMT_PIN_VDIN3, "vdin3"),
 191        PINCTRL_PIN(WMT_PIN_VDIN4, "vdin4"),
 192        PINCTRL_PIN(WMT_PIN_VDIN5, "vdin5"),
 193        PINCTRL_PIN(WMT_PIN_VDIN6, "vdin6"),
 194        PINCTRL_PIN(WMT_PIN_VDIN7, "vdin7"),
 195        PINCTRL_PIN(WMT_PIN_SPI0_MOSI, "spi0_mosi"),
 196        PINCTRL_PIN(WMT_PIN_SPI0_MISO, "spi0_miso"),
 197        PINCTRL_PIN(WMT_PIN_SPI0_SS, "spi0_ss"),
 198        PINCTRL_PIN(WMT_PIN_SPI0_CLK, "spi0_clk"),
 199        PINCTRL_PIN(WMT_PIN_SPI0_SSB, "spi0_ssb"),
 200        PINCTRL_PIN(WMT_PIN_SD0CLK, "sd0_clk"),
 201        PINCTRL_PIN(WMT_PIN_SD0CMD, "sd0_cmd"),
 202        PINCTRL_PIN(WMT_PIN_SD0WP, "sd0_wp"),
 203        PINCTRL_PIN(WMT_PIN_SD0DATA0, "sd0_data0"),
 204        PINCTRL_PIN(WMT_PIN_SD0DATA1, "sd0_data1"),
 205        PINCTRL_PIN(WMT_PIN_SD0DATA2, "sd0_data2"),
 206        PINCTRL_PIN(WMT_PIN_SD0DATA3, "sd0_data3"),
 207        PINCTRL_PIN(WMT_PIN_SD1DATA0, "sd1_data0"),
 208        PINCTRL_PIN(WMT_PIN_SD1DATA1, "sd1_data1"),
 209        PINCTRL_PIN(WMT_PIN_SD1DATA2, "sd1_data2"),
 210        PINCTRL_PIN(WMT_PIN_SD1DATA3, "sd1_data3"),
 211        PINCTRL_PIN(WMT_PIN_SD1DATA4, "sd1_data4"),
 212        PINCTRL_PIN(WMT_PIN_SD1DATA5, "sd1_data5"),
 213        PINCTRL_PIN(WMT_PIN_SD1DATA6, "sd1_data6"),
 214        PINCTRL_PIN(WMT_PIN_SD1DATA7, "sd1_data7"),
 215        PINCTRL_PIN(WMT_PIN_I2C0_SCL, "i2c0_scl"),
 216        PINCTRL_PIN(WMT_PIN_I2C0_SDA, "i2c0_sda"),
 217        PINCTRL_PIN(WMT_PIN_I2C1_SCL, "i2c1_scl"),
 218        PINCTRL_PIN(WMT_PIN_I2C1_SDA, "i2c1_sda"),
 219        PINCTRL_PIN(WMT_PIN_I2C2_SCL, "i2c2_scl"),
 220        PINCTRL_PIN(WMT_PIN_I2C2_SDA, "i2c2_sda"),
 221        PINCTRL_PIN(WMT_PIN_UART0_RTS, "uart0_rts"),
 222        PINCTRL_PIN(WMT_PIN_UART0_TXD, "uart0_txd"),
 223        PINCTRL_PIN(WMT_PIN_UART0_CTS, "uart0_cts"),
 224        PINCTRL_PIN(WMT_PIN_UART0_RXD, "uart0_rxd"),
 225        PINCTRL_PIN(WMT_PIN_UART1_RTS, "uart1_rts"),
 226        PINCTRL_PIN(WMT_PIN_UART1_TXD, "uart1_txd"),
 227        PINCTRL_PIN(WMT_PIN_UART1_CTS, "uart1_cts"),
 228        PINCTRL_PIN(WMT_PIN_UART1_RXD, "uart1_rxd"),
 229        PINCTRL_PIN(WMT_PIN_UART2_RTS, "uart2_rts"),
 230        PINCTRL_PIN(WMT_PIN_UART2_TXD, "uart2_txd"),
 231        PINCTRL_PIN(WMT_PIN_UART2_CTS, "uart2_cts"),
 232        PINCTRL_PIN(WMT_PIN_UART2_RXD, "uart2_rxd"),
 233        PINCTRL_PIN(WMT_PIN_UART3_RTS, "uart3_rts"),
 234        PINCTRL_PIN(WMT_PIN_UART3_TXD, "uart3_txd"),
 235        PINCTRL_PIN(WMT_PIN_UART3_CTS, "uart3_cts"),
 236        PINCTRL_PIN(WMT_PIN_UART3_RXD, "uart3_rxd"),
 237        PINCTRL_PIN(WMT_PIN_SD2CD, "sd2_cd"),
 238        PINCTRL_PIN(WMT_PIN_SD2DATA3, "sd2_data3"),
 239        PINCTRL_PIN(WMT_PIN_SD2DATA0, "sd2_data0"),
 240        PINCTRL_PIN(WMT_PIN_SD2WP, "sd2_wp"),
 241        PINCTRL_PIN(WMT_PIN_SD2DATA1, "sd2_data1"),
 242        PINCTRL_PIN(WMT_PIN_SD2DATA2, "sd2_data2"),
 243        PINCTRL_PIN(WMT_PIN_SD2CMD, "sd2_cmd"),
 244        PINCTRL_PIN(WMT_PIN_SD2CLK, "sd2_clk"),
 245        PINCTRL_PIN(WMT_PIN_SD2PWR, "sd2_pwr"),
 246        PINCTRL_PIN(WMT_PIN_SD1CLK, "sd1_clk"),
 247        PINCTRL_PIN(WMT_PIN_SD1CMD, "sd1_cmd"),
 248        PINCTRL_PIN(WMT_PIN_SD1PWR, "sd1_pwr"),
 249        PINCTRL_PIN(WMT_PIN_SD1WP, "sd1_wp"),
 250        PINCTRL_PIN(WMT_PIN_SD1CD, "sd1_cd"),
 251        PINCTRL_PIN(WMT_PIN_SPI0SS3, "spi0_ss3"),
 252        PINCTRL_PIN(WMT_PIN_SPI0SS2, "spi0_ss2"),
 253        PINCTRL_PIN(WMT_PIN_PWMOUT1, "pwmout1"),
 254        PINCTRL_PIN(WMT_PIN_PWMOUT0, "pwmout0"),
 255};
 256
 257/* Order of these names must match the above list */
 258static const char * const wm8750_groups[] = {
 259        "extgpio0",
 260        "extgpio1",
 261        "extgpio2",
 262        "extgpio3",
 263        "extgpio4",
 264        "extgpio5",
 265        "extgpio6",
 266        "extgpio7",
 267        "wakeup0",
 268        "wakeup1",
 269        "sd0_cd",
 270        "vdout0",
 271        "vdout1",
 272        "vdout2",
 273        "vdout3",
 274        "vdout4",
 275        "vdout5",
 276        "vdout6",
 277        "vdout7",
 278        "vdout8",
 279        "vdout9",
 280        "vdout10",
 281        "vdout11",
 282        "vdout12",
 283        "vdout13",
 284        "vdout14",
 285        "vdout15",
 286        "vdout16",
 287        "vdout17",
 288        "vdout18",
 289        "vdout19",
 290        "vdout20",
 291        "vdout21",
 292        "vdout22",
 293        "vdout23",
 294        "vdin0",
 295        "vdin1",
 296        "vdin2",
 297        "vdin3",
 298        "vdin4",
 299        "vdin5",
 300        "vdin6",
 301        "vdin7",
 302        "spi0_mosi",
 303        "spi0_miso",
 304        "spi0_ss",
 305        "spi0_clk",
 306        "spi0_ssb",
 307        "sd0_clk",
 308        "sd0_cmd",
 309        "sd0_wp",
 310        "sd0_data0",
 311        "sd0_data1",
 312        "sd0_data2",
 313        "sd0_data3",
 314        "sd1_data0",
 315        "sd1_data1",
 316        "sd1_data2",
 317        "sd1_data3",
 318        "sd1_data4",
 319        "sd1_data5",
 320        "sd1_data6",
 321        "sd1_data7",
 322        "i2c0_scl",
 323        "i2c0_sda",
 324        "i2c1_scl",
 325        "i2c1_sda",
 326        "i2c2_scl",
 327        "i2c2_sda",
 328        "uart0_rts",
 329        "uart0_txd",
 330        "uart0_cts",
 331        "uart0_rxd",
 332        "uart1_rts",
 333        "uart1_txd",
 334        "uart1_cts",
 335        "uart1_rxd",
 336        "uart2_rts",
 337        "uart2_txd",
 338        "uart2_cts",
 339        "uart2_rxd",
 340        "uart3_rts",
 341        "uart3_txd",
 342        "uart3_cts",
 343        "uart3_rxd",
 344        "sd2_cd",
 345        "sd2_data3",
 346        "sd2_data0",
 347        "sd2_wp",
 348        "sd2_data1",
 349        "sd2_data2",
 350        "sd2_cmd",
 351        "sd2_clk",
 352        "sd2_pwr",
 353        "sd1_clk",
 354        "sd1_cmd",
 355        "sd1_pwr",
 356        "sd1_wp",
 357        "sd1_cd",
 358        "spi0_ss3",
 359        "spi0_ss2",
 360        "pwmout1",
 361        "pwmout0",
 362};
 363
 364static int wm8750_pinctrl_probe(struct platform_device *pdev)
 365{
 366        struct wmt_pinctrl_data *data;
 367
 368        data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
 369        if (!data) {
 370                dev_err(&pdev->dev, "failed to allocate data\n");
 371                return -ENOMEM;
 372        }
 373
 374        data->banks = wm8750_banks;
 375        data->nbanks = ARRAY_SIZE(wm8750_banks);
 376        data->pins = wm8750_pins;
 377        data->npins = ARRAY_SIZE(wm8750_pins);
 378        data->groups = wm8750_groups;
 379        data->ngroups = ARRAY_SIZE(wm8750_groups);
 380
 381        return wmt_pinctrl_probe(pdev, data);
 382}
 383
 384static int wm8750_pinctrl_remove(struct platform_device *pdev)
 385{
 386        return wmt_pinctrl_remove(pdev);
 387}
 388
 389static struct of_device_id wmt_pinctrl_of_match[] = {
 390        { .compatible = "wm,wm8750-pinctrl" },
 391        { /* sentinel */ },
 392};
 393
 394static struct platform_driver wmt_pinctrl_driver = {
 395        .probe  = wm8750_pinctrl_probe,
 396        .remove = wm8750_pinctrl_remove,
 397        .driver = {
 398                .name   = "pinctrl-wm8750",
 399                .owner  = THIS_MODULE,
 400                .of_match_table = wmt_pinctrl_of_match,
 401        },
 402};
 403
 404module_platform_driver(wmt_pinctrl_driver);
 405
 406MODULE_AUTHOR("Tony Prisk <linux@prisktech.co.nz>");
 407MODULE_DESCRIPTION("Wondermedia WM8750 Pincontrol driver");
 408MODULE_LICENSE("GPL v2");
 409MODULE_DEVICE_TABLE(of, wmt_pinctrl_of_match);
 410