arch/arm/mach-s3c64xx/mach-crag6410-module.c

   1 /* Speyside modules for Cragganmore - board data probing
   2  *
   3  * Copyright 2011 Wolfson Microelectronics plc
   4  *      Mark Brown <broonie@opensource.wolfsonmicro.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/export.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/i2c.h>
  14 #include <linux/spi/spi.h>
  15
  16 #include <linux/mfd/wm831x/irq.h>
  17 #include <linux/mfd/wm831x/gpio.h>
  18 #include <linux/mfd/wm8994/pdata.h>
  19
  20 #include <linux/regulator/machine.h>
  21
  22 #include <sound/wm5100.h>
  23 #include <sound/wm8996.h>
  24 #include <sound/wm8962.h>
  25 #include <sound/wm9081.h>
  26
  27 #include <plat/s3c64xx-spi.h>
  28
  29 #include <mach/crag6410.h>
  30
  31 static struct s3c64xx_spi_csinfo wm0010_spi_csinfo = {
  32         .set_level = gpio_set_value,
  33         .line = S3C64XX_GPC(3),
  34 };
  35
  36 static struct spi_board_info wm1253_devs[] = {
  37         [0] = {
  38                 .modalias       = "wm0010",
  39                 .bus_num        = 0,
  40                 .chip_select    = 0,
  41                 .mode           = SPI_MODE_0,
  42                 .controller_data = &wm0010_spi_csinfo,
  43         },
  44 };
  45
  46 static struct wm5100_pdata wm5100_pdata = {
  47         .ldo_ena = S3C64XX_GPN(7),
  48         .irq_flags = IRQF_TRIGGER_HIGH,
  49         .gpio_base = CODEC_GPIO_BASE,
  50
  51         .in_mode = {
  52                 WM5100_IN_DIFF,
  53                 WM5100_IN_DIFF,
  54                 WM5100_IN_DIFF,
  55                 WM5100_IN_SE,
  56         },
  57
  58         .hp_pol = CODEC_GPIO_BASE + 3,
  59         .jack_modes = {
  60                 { WM5100_MICDET_MICBIAS3, 0, 0 },
  61                 { WM5100_MICDET_MICBIAS2, 1, 1 },
  62         },
  63
  64         .gpio_defaults = {
  65                 0,
  66                 0,
  67                 0,
  68                 0,
  69                 0x2, /* IRQ: CMOS output */
  70                 0x3, /* CLKOUT: CMOS output */
  71         },
  72 };
  73
  74 static struct wm8996_retune_mobile_config wm8996_retune[] = {
  75         {
  76                 .name = "Sub LPF",
  77                 .rate = 48000,
  78                 .regs = {
  79                         0x6318, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
  80                         0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
  81                         0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
  82                 },
  83         },
  84         {
  85                 .name = "Sub HPF",
  86                 .rate = 48000,
  87                 .regs = {
  88                         0x000A, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000,
  89                         0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000,
  90                         0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000
  91                 },
  92         },
  93 };
  94
  95 static struct wm8996_pdata wm8996_pdata __initdata = {
  96         .ldo_ena = S3C64XX_GPN(7),
  97         .gpio_base = CODEC_GPIO_BASE,
  98         .micdet_def = 1,
  99         .inl_mode = WM8996_DIFFERRENTIAL_1,
 100         .inr_mode = WM8996_DIFFERRENTIAL_1,
 101
 102         .irq_flags = IRQF_TRIGGER_RISING,
 103
 104         .gpio_default = {
 105                 0x8001, /* GPIO1 == ADCLRCLK1 */
 106                 0x8001, /* GPIO2 == ADCLRCLK2, input due to CPU */
 107                 0x0141, /* GPIO3 == HP_SEL */
 108                 0x0002, /* GPIO4 == IRQ */
 109                 0x020e, /* GPIO5 == CLKOUT */
 110         },
 111
 112         .retune_mobile_cfgs = wm8996_retune,
 113         .num_retune_mobile_cfgs = ARRAY_SIZE(wm8996_retune),
 114 };
 115
 116 static struct wm8962_pdata wm8962_pdata __initdata = {
 117         .gpio_init = {
 118                 0,
 119                 WM8962_GPIO_FN_OPCLK,
 120                 WM8962_GPIO_FN_DMICCLK,
 121                 0,
 122                 0x8000 | WM8962_GPIO_FN_DMICDAT,
 123                 WM8962_GPIO_FN_IRQ,    /* Open drain mode */
 124         },
 125         .in4_dc_measure = true,
 126 };
 127
 128 static struct wm9081_pdata wm9081_pdata __initdata = {
 129         .irq_high = false,
 130         .irq_cmos = false,
 131 };
 132
 133 static const struct i2c_board_info wm1254_devs[] = {
 134         { I2C_BOARD_INFO("wm8996", 0x1a),
 135           .platform_data = &wm8996_pdata,
 136           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
 137         },
 138         { I2C_BOARD_INFO("wm9081", 0x6c),
 139           .platform_data = &wm9081_pdata, },
 140 };
 141
 142 static const struct i2c_board_info wm1255_devs[] = {
 143         { I2C_BOARD_INFO("wm5100", 0x1a),
 144           .platform_data = &wm5100_pdata,
 145           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
 146         },
 147         { I2C_BOARD_INFO("wm9081", 0x6c),
 148           .platform_data = &wm9081_pdata, },
 149 };
 150
 151 static const struct i2c_board_info wm1259_devs[] = {
 152         { I2C_BOARD_INFO("wm8962", 0x1a),
 153           .platform_data = &wm8962_pdata,
 154           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
 155         },
 156 };
 157
 158 static struct regulator_init_data wm8994_ldo1 = {
 159         .supply_regulator = "WALLVDD",
 160 };
 161
 162 static struct regulator_init_data wm8994_ldo2 = {
 163         .supply_regulator = "WALLVDD",
 164 };
 165
 166 static struct wm8994_pdata wm8994_pdata = {
 167         .gpio_base = CODEC_GPIO_BASE,
 168         .gpio_defaults = {
 169                 0x3,          /* IRQ out, active high, CMOS */
 170         },
 171         .irq_base = CODEC_IRQ_BASE,
 172         .ldo = {
 173                  { .init_data = &wm8994_ldo1, },
 174                  { .init_data = &wm8994_ldo2, },
 175         },
 176 };
 177
 178 static const struct i2c_board_info wm1277_devs[] = {
 179         { I2C_BOARD_INFO("wm8958", 0x1a),  /* WM8958 is the superset */
 180           .platform_data = &wm8994_pdata,
 181           .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
 182         },
 183 };
 184
 185 static const struct i2c_board_info wm6230_i2c_devs[] = {
 186         { I2C_BOARD_INFO("wm9081", 0x6c),
 187           .platform_data = &wm9081_pdata, },
 188 };
 189
 190 static __devinitdata const struct {
 191         u8 id;
 192         const char *name;
 193         const struct i2c_board_info *i2c_devs;
 194         int num_i2c_devs;
 195         const struct spi_board_info *spi_devs;
 196         int num_spi_devs;
 197 } gf_mods[] = {
 198         { .id = 0x01, .name = "1250-EV1 Springbank" },
 199         { .id = 0x02, .name = "1251-EV1 Jura" },
 200         { .id = 0x03, .name = "1252-EV1 Glenlivet" },
 201         { .id = 0x11, .name = "6249-EV2 Glenfarclas", },
 202         { .id = 0x14, .name = "6271-EV1 Lochnagar" },
 203         { .id = 0x15, .name = "6320-EV1 Bells",
 204           .i2c_devs = wm6230_i2c_devs,
 205           .num_i2c_devs = ARRAY_SIZE(wm6230_i2c_devs) },
 206         { .id = 0x21, .name = "1275-EV1 Mortlach" },
 207         { .id = 0x25, .name = "1274-EV1 Glencadam" },
 208         { .id = 0x31, .name = "1253-EV1 Tomatin",
 209           .spi_devs = wm1253_devs, .num_spi_devs = ARRAY_SIZE(wm1253_devs) },
 210         { .id = 0x32, .name = "XXXX-EV1 Caol Illa" },
 211         { .id = 0x33, .name = "XXXX-EV1 Oban" },
 212         { .id = 0x39, .name = "1254-EV1 Dallas Dhu",
 213           .i2c_devs = wm1254_devs, .num_i2c_devs = ARRAY_SIZE(wm1254_devs) },
 214         { .id = 0x3a, .name = "1259-EV1 Tobermory",
 215           .i2c_devs = wm1259_devs, .num_i2c_devs = ARRAY_SIZE(wm1259_devs) },
 216         { .id = 0x3b, .name = "1255-EV1 Kilchoman",
 217           .i2c_devs = wm1255_devs, .num_i2c_devs = ARRAY_SIZE(wm1255_devs) },
 218         { .id = 0x3c, .name = "1273-EV1 Longmorn" },
 219         { .id = 0x3d, .name = "1277-EV1 Littlemill",
 220           .i2c_devs = wm1277_devs, .num_i2c_devs = ARRAY_SIZE(wm1277_devs) },
 221 };
 222
 223 static __devinit int wlf_gf_module_probe(struct i2c_client *i2c,
 224                                          const struct i2c_device_id *i2c_id)
 225 {
 226         int ret, i, j, id, rev;
 227
 228         ret = i2c_smbus_read_byte_data(i2c, 0);
 229         if (ret < 0) {
 230                 dev_err(&i2c->dev, "Failed to read ID: %d\n", ret);
 231                 return ret;
 232         }
 233
 234         id = (ret & 0xfe) >> 2;
 235         rev = ret & 0x3;
 236         for (i = 0; i < ARRAY_SIZE(gf_mods); i++)
 237                 if (id == gf_mods[i].id)
 238                         break;
 239
 240         if (i < ARRAY_SIZE(gf_mods)) {
 241                 dev_info(&i2c->dev, "%s revision %d\n",
 242                          gf_mods[i].name, rev + 1);
 243
 244                 for (j = 0; j < gf_mods[i].num_i2c_devs; j++) {
 245                         if (!i2c_new_device(i2c->adapter,
 246                                             &(gf_mods[i].i2c_devs[j])))
 247                                 dev_err(&i2c->dev,
 248                                         "Failed to register dev: %d\n", ret);
 249                 }
 250
 251                 spi_register_board_info(gf_mods[i].spi_devs,
 252                                         gf_mods[i].num_spi_devs);
 253         } else {
 254                 dev_warn(&i2c->dev, "Unknown module ID 0x%x revision %d\n",
 255                          id, rev + 1);
 256         }
 257
 258         return 0;
 259 }
 260
 261 static const struct i2c_device_id wlf_gf_module_id[] = {
 262         { "wlf-gf-module", 0 },
 263         { }
 264 };
 265
 266 static struct i2c_driver wlf_gf_module_driver = {
 267         .driver = {
 268                 .name = "wlf-gf-module",
 269                 .owner = THIS_MODULE,
 270         },
 271         .probe = wlf_gf_module_probe,
 272         .id_table = wlf_gf_module_id,
 273 };
 274
 275 static int __init wlf_gf_module_register(void)
 276 {
 277         return i2c_add_driver(&wlf_gf_module_driver);
 278 }
 279 module_init(wlf_gf_module_register);