arch/arm/mach-omap2/board-zoom-peripherals.c

   1 /*
   2  * Copyright (C) 2009 Texas Instruments Inc.
   3  *
   4  * Modified from mach-omap2/board-zoom2.c
   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/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/input.h>
  15 #include <linux/input/matrix_keypad.h>
  16 #include <linux/gpio.h>
  17 #include <linux/i2c/twl.h>
  18 #include <linux/regulator/machine.h>
  19 #include <linux/regulator/fixed.h>
  20 #include <linux/wl12xx.h>
  21 #include <linux/mmc/host.h>
  22 #include <linux/platform_data/gpio-omap.h>
  23 #include <linux/platform_data/omap-twl4030.h>
  24
  25 #include <asm/mach-types.h>
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28
  29 #include "common.h"
  30
  31 #include "board-zoom.h"
  32
  33 #include "mux.h"
  34 #include "hsmmc.h"
  35 #include "common-board-devices.h"
  36
  37 #define OMAP_ZOOM_WLAN_PMENA_GPIO       (101)
  38 #define OMAP_ZOOM_TSC2004_IRQ_GPIO      (153)
  39 #define OMAP_ZOOM_WLAN_IRQ_GPIO         (162)
  40
  41 /* Zoom2 has Qwerty keyboard*/
  42 static uint32_t board_keymap[] = {
  43         KEY(0, 0, KEY_E),
  44         KEY(0, 1, KEY_R),
  45         KEY(0, 2, KEY_T),
  46         KEY(0, 3, KEY_HOME),
  47         KEY(0, 6, KEY_I),
  48         KEY(0, 7, KEY_LEFTSHIFT),
  49         KEY(1, 0, KEY_D),
  50         KEY(1, 1, KEY_F),
  51         KEY(1, 2, KEY_G),
  52         KEY(1, 3, KEY_SEND),
  53         KEY(1, 6, KEY_K),
  54         KEY(1, 7, KEY_ENTER),
  55         KEY(2, 0, KEY_X),
  56         KEY(2, 1, KEY_C),
  57         KEY(2, 2, KEY_V),
  58         KEY(2, 3, KEY_END),
  59         KEY(2, 6, KEY_DOT),
  60         KEY(2, 7, KEY_CAPSLOCK),
  61         KEY(3, 0, KEY_Z),
  62         KEY(3, 1, KEY_KPPLUS),
  63         KEY(3, 2, KEY_B),
  64         KEY(3, 3, KEY_F1),
  65         KEY(3, 6, KEY_O),
  66         KEY(3, 7, KEY_SPACE),
  67         KEY(4, 0, KEY_W),
  68         KEY(4, 1, KEY_Y),
  69         KEY(4, 2, KEY_U),
  70         KEY(4, 3, KEY_F2),
  71         KEY(4, 4, KEY_VOLUMEUP),
  72         KEY(4, 6, KEY_L),
  73         KEY(4, 7, KEY_LEFT),
  74         KEY(5, 0, KEY_S),
  75         KEY(5, 1, KEY_H),
  76         KEY(5, 2, KEY_J),
  77         KEY(5, 3, KEY_F3),
  78         KEY(5, 4, KEY_UNKNOWN),
  79         KEY(5, 5, KEY_VOLUMEDOWN),
  80         KEY(5, 6, KEY_M),
  81         KEY(5, 7, KEY_RIGHT),
  82         KEY(6, 0, KEY_Q),
  83         KEY(6, 1, KEY_A),
  84         KEY(6, 2, KEY_N),
  85         KEY(6, 3, KEY_BACKSPACE),
  86         KEY(6, 6, KEY_P),
  87         KEY(6, 7, KEY_UP),
  88         KEY(7, 0, KEY_PROG1),   /*MACRO 1 <User defined> */
  89         KEY(7, 1, KEY_PROG2),   /*MACRO 2 <User defined> */
  90         KEY(7, 2, KEY_PROG3),   /*MACRO 3 <User defined> */
  91         KEY(7, 3, KEY_PROG4),   /*MACRO 4 <User defined> */
  92         KEY(7, 6, KEY_SELECT),
  93         KEY(7, 7, KEY_DOWN)
  94 };
  95
  96 static struct matrix_keymap_data board_map_data = {
  97         .keymap                 = board_keymap,
  98         .keymap_size            = ARRAY_SIZE(board_keymap),
  99 };
 100
 101 static struct twl4030_keypad_data zoom_kp_twl4030_data = {
 102         .keymap_data    = &board_map_data,
 103         .rows           = 8,
 104         .cols           = 8,
 105         .rep            = 1,
 106 };
 107
 108 static struct regulator_consumer_supply zoom_vmmc1_supply[] = {
 109         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 110 };
 111
 112 static struct regulator_consumer_supply zoom_vsim_supply[] = {
 113         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 114 };
 115
 116 static struct regulator_consumer_supply zoom_vmmc2_supply[] = {
 117         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
 118 };
 119
 120 static struct regulator_consumer_supply zoom_vmmc3_supply[] = {
 121         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
 122 };
 123
 124 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 125 static struct regulator_init_data zoom_vmmc1 = {
 126         .constraints = {
 127                 .min_uV                 = 1850000,
 128                 .max_uV                 = 3150000,
 129                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 130                                         | REGULATOR_MODE_STANDBY,
 131                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 132                                         | REGULATOR_CHANGE_MODE
 133                                         | REGULATOR_CHANGE_STATUS,
 134         },
 135         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc1_supply),
 136         .consumer_supplies      = zoom_vmmc1_supply,
 137 };
 138
 139 /* VMMC2 for MMC2 card */
 140 static struct regulator_init_data zoom_vmmc2 = {
 141         .constraints = {
 142                 .min_uV                 = 1850000,
 143                 .max_uV                 = 1850000,
 144                 .apply_uV               = true,
 145                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 146                                         | REGULATOR_MODE_STANDBY,
 147                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 148                                         | REGULATOR_CHANGE_STATUS,
 149         },
 150         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc2_supply),
 151         .consumer_supplies      = zoom_vmmc2_supply,
 152 };
 153
 154 /* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
 155 static struct regulator_init_data zoom_vsim = {
 156         .constraints = {
 157                 .min_uV                 = 1800000,
 158                 .max_uV                 = 3000000,
 159                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 160                                         | REGULATOR_MODE_STANDBY,
 161                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 162                                         | REGULATOR_CHANGE_MODE
 163                                         | REGULATOR_CHANGE_STATUS,
 164         },
 165         .num_consumer_supplies  = ARRAY_SIZE(zoom_vsim_supply),
 166         .consumer_supplies      = zoom_vsim_supply,
 167 };
 168
 169 static struct regulator_init_data zoom_vmmc3 = {
 170         .constraints = {
 171                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 172         },
 173         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc3_supply),
 174         .consumer_supplies      = zoom_vmmc3_supply,
 175 };
 176
 177 static struct fixed_voltage_config zoom_vwlan = {
 178         .supply_name            = "vwl1271",
 179         .microvolts             = 1800000, /* 1.8V */
 180         .gpio                   = OMAP_ZOOM_WLAN_PMENA_GPIO,
 181         .startup_delay          = 70000, /* 70msec */
 182         .enable_high            = 1,
 183         .enabled_at_boot        = 0,
 184         .init_data              = &zoom_vmmc3,
 185 };
 186
 187 static struct platform_device omap_vwlan_device = {
 188         .name           = "reg-fixed-voltage",
 189         .id             = 1,
 190         .dev = {
 191                 .platform_data  = &zoom_vwlan,
 192         },
 193 };
 194
 195 static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
 196         .board_ref_clock = WL12XX_REFCLOCK_26, /* 26 MHz */
 197 };
 198
 199 static struct omap2_hsmmc_info mmc[] = {
 200         {
 201                 .name           = "external",
 202                 .mmc            = 1,
 203                 .caps           = MMC_CAP_4_BIT_DATA,
 204                 .gpio_wp        = -EINVAL,
 205                 .power_saving   = true,
 206                 .deferred       = true,
 207         },
 208         {
 209                 .name           = "internal",
 210                 .mmc            = 2,
 211                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 212                 .gpio_cd        = -EINVAL,
 213                 .gpio_wp        = -EINVAL,
 214                 .nonremovable   = true,
 215                 .power_saving   = true,
 216         },
 217         {
 218                 .name           = "wl1271",
 219                 .mmc            = 3,
 220                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 221                 .gpio_wp        = -EINVAL,
 222                 .gpio_cd        = -EINVAL,
 223                 .nonremovable   = true,
 224         },
 225         {}      /* Terminator */
 226 };
 227
 228 static struct omap_tw4030_pdata omap_twl4030_audio_data = {
 229         .voice_connected = true,
 230         .custom_routing = true,
 231
 232         .has_hs         = OMAP_TWL4030_LEFT | OMAP_TWL4030_RIGHT,
 233         .has_hf         = OMAP_TWL4030_LEFT | OMAP_TWL4030_RIGHT,
 234
 235         .has_mainmic    = true,
 236         .has_submic     = true,
 237         .has_hsmic      = true,
 238         .has_linein     = OMAP_TWL4030_LEFT | OMAP_TWL4030_RIGHT,
 239 };
 240
 241 static int zoom_twl_gpio_setup(struct device *dev,
 242                 unsigned gpio, unsigned ngpio)
 243 {
 244         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 245         mmc[0].gpio_cd = gpio + 0;
 246         omap_hsmmc_late_init(mmc);
 247
 248         /* Audio setup */
 249         omap_twl4030_audio_data.jack_detect = gpio + 2;
 250         omap_twl4030_audio_init("Zoom2", &omap_twl4030_audio_data);
 251
 252         return 0;
 253 }
 254
 255 static struct twl4030_gpio_platform_data zoom_gpio_data = {
 256         .setup          = zoom_twl_gpio_setup,
 257 };
 258
 259 static struct twl4030_platform_data zoom_twldata = {
 260         /* platform_data for children goes here */
 261         .gpio           = &zoom_gpio_data,
 262         .keypad         = &zoom_kp_twl4030_data,
 263         .vmmc1          = &zoom_vmmc1,
 264         .vmmc2          = &zoom_vmmc2,
 265         .vsim           = &zoom_vsim,
 266 };
 267
 268 static int __init omap_i2c_init(void)
 269 {
 270         omap3_pmic_get_config(&zoom_twldata,
 271                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_BCI |
 272                         TWL_COMMON_PDATA_MADC | TWL_COMMON_PDATA_AUDIO,
 273                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 274
 275         if (machine_is_omap_zoom2())
 276                 zoom_twldata.audio->codec->ramp_delay_value = 3; /* 161 ms */
 277
 278         omap_pmic_init(1, 2400, "twl5030", 7 + OMAP_INTC_START, &zoom_twldata);
 279         omap_register_i2c_bus(2, 400, NULL, 0);
 280         omap_register_i2c_bus(3, 400, NULL, 0);
 281         return 0;
 282 }
 283
 284 static void enable_board_wakeup_source(void)
 285 {
 286         /* T2 interrupt line (keypad) */
 287         omap_mux_init_signal("sys_nirq",
 288                 OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 289 }
 290
 291 void __init zoom_peripherals_init(void)
 292 {
 293         int ret;
 294
 295         omap_zoom_wlan_data.irq = gpio_to_irq(OMAP_ZOOM_WLAN_IRQ_GPIO);
 296         ret = wl12xx_set_platform_data(&omap_zoom_wlan_data);
 297
 298         if (ret)
 299                 pr_err("error setting wl12xx data: %d\n", ret);
 300
 301         omap_hsmmc_init(mmc);
 302         omap_i2c_init();
 303         platform_device_register(&omap_vwlan_device);
 304         usb_musb_init(NULL);
 305         enable_board_wakeup_source();
 306         omap_serial_init();
 307 }