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
  23 #include <asm/mach-types.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26
  27 #include "common.h"
  28 #include <plat/usb.h>
  29
  30 #include <mach/board-zoom.h>
  31
  32 #include "mux.h"
  33 #include "hsmmc.h"
  34 #include "common-board-devices.h"
  35
  36 #define OMAP_ZOOM_WLAN_PMENA_GPIO       (101)
  37 #define OMAP_ZOOM_WLAN_IRQ_GPIO         (162)
  38
  39 #define LCD_PANEL_ENABLE_GPIO           (7 + OMAP_MAX_GPIO_LINES)
  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         /* ZOOM ref clock is 26 MHz */
 197         .board_ref_clock = 1,
 198 };
 199
 200 static struct omap2_hsmmc_info mmc[] = {
 201         {
 202                 .name           = "external",
 203                 .mmc            = 1,
 204                 .caps           = MMC_CAP_4_BIT_DATA,
 205                 .gpio_wp        = -EINVAL,
 206                 .power_saving   = true,
 207                 .deferred       = true,
 208         },
 209         {
 210                 .name           = "internal",
 211                 .mmc            = 2,
 212                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 213                 .gpio_cd        = -EINVAL,
 214                 .gpio_wp        = -EINVAL,
 215                 .nonremovable   = true,
 216                 .power_saving   = true,
 217         },
 218         {
 219                 .name           = "wl1271",
 220                 .mmc            = 3,
 221                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 222                 .gpio_wp        = -EINVAL,
 223                 .gpio_cd        = -EINVAL,
 224                 .nonremovable   = true,
 225         },
 226         {}      /* Terminator */
 227 };
 228
 229 static int zoom_twl_gpio_setup(struct device *dev,
 230                 unsigned gpio, unsigned ngpio)
 231 {
 232         int ret;
 233
 234         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 235         mmc[0].gpio_cd = gpio + 0;
 236         omap_hsmmc_late_init(mmc);
 237
 238         ret = gpio_request_one(LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
 239                                "lcd enable");
 240         if (ret)
 241                 pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).\n",
 242                                 LCD_PANEL_ENABLE_GPIO);
 243
 244         return ret;
 245 }
 246
 247 /* EXTMUTE callback function */
 248 static void zoom2_set_hs_extmute(int mute)
 249 {
 250         gpio_set_value(ZOOM2_HEADSET_EXTMUTE_GPIO, mute);
 251 }
 252
 253 static struct twl4030_gpio_platform_data zoom_gpio_data = {
 254         .setup          = zoom_twl_gpio_setup,
 255 };
 256
 257 static struct twl4030_platform_data zoom_twldata = {
 258         /* platform_data for children goes here */
 259         .gpio           = &zoom_gpio_data,
 260         .keypad         = &zoom_kp_twl4030_data,
 261         .vmmc1          = &zoom_vmmc1,
 262         .vmmc2          = &zoom_vmmc2,
 263         .vsim           = &zoom_vsim,
 264 };
 265
 266 static int __init omap_i2c_init(void)
 267 {
 268         omap3_pmic_get_config(&zoom_twldata,
 269                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_BCI |
 270                         TWL_COMMON_PDATA_MADC | TWL_COMMON_PDATA_AUDIO,
 271                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 272
 273         if (machine_is_omap_zoom2()) {
 274                 struct twl4030_codec_data *codec_data;
 275                 codec_data = zoom_twldata.audio->codec;
 276
 277                 codec_data->ramp_delay_value = 3;       /* 161 ms */
 278                 codec_data->hs_extmute = 1;
 279                 codec_data->set_hs_extmute = zoom2_set_hs_extmute;
 280         }
 281         omap_pmic_init(1, 2400, "twl5030", INT_34XX_SYS_NIRQ, &zoom_twldata);
 282         omap_register_i2c_bus(2, 400, NULL, 0);
 283         omap_register_i2c_bus(3, 400, NULL, 0);
 284         return 0;
 285 }
 286
 287 static void enable_board_wakeup_source(void)
 288 {
 289         /* T2 interrupt line (keypad) */
 290         omap_mux_init_signal("sys_nirq",
 291                 OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 292 }
 293
 294 void __init zoom_peripherals_init(void)
 295 {
 296         int ret;
 297
 298         omap_zoom_wlan_data.irq = gpio_to_irq(OMAP_ZOOM_WLAN_IRQ_GPIO);
 299         ret = wl12xx_set_platform_data(&omap_zoom_wlan_data);
 300
 301         if (ret)
 302                 pr_err("error setting wl12xx data: %d\n", ret);
 303
 304         omap_hsmmc_init(mmc);
 305         omap_i2c_init();
 306         platform_device_register(&omap_vwlan_device);
 307         usb_musb_init(NULL);
 308         enable_board_wakeup_source();
 309         omap_serial_init();
 310 }