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
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27
  28 #include "common.h"
  29 #include <plat/usb.h>
  30
  31 #include <mach/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_WLAN_IRQ_GPIO         (162)
  39
  40 #define LCD_PANEL_ENABLE_GPIO           (7 + OMAP_MAX_GPIO_LINES)
  41
  42 /* Zoom2 has Qwerty keyboard*/
  43 static uint32_t board_keymap[] = {
  44         KEY(0, 0, KEY_E),
  45         KEY(0, 1, KEY_R),
  46         KEY(0, 2, KEY_T),
  47         KEY(0, 3, KEY_HOME),
  48         KEY(0, 6, KEY_I),
  49         KEY(0, 7, KEY_LEFTSHIFT),
  50         KEY(1, 0, KEY_D),
  51         KEY(1, 1, KEY_F),
  52         KEY(1, 2, KEY_G),
  53         KEY(1, 3, KEY_SEND),
  54         KEY(1, 6, KEY_K),
  55         KEY(1, 7, KEY_ENTER),
  56         KEY(2, 0, KEY_X),
  57         KEY(2, 1, KEY_C),
  58         KEY(2, 2, KEY_V),
  59         KEY(2, 3, KEY_END),
  60         KEY(2, 6, KEY_DOT),
  61         KEY(2, 7, KEY_CAPSLOCK),
  62         KEY(3, 0, KEY_Z),
  63         KEY(3, 1, KEY_KPPLUS),
  64         KEY(3, 2, KEY_B),
  65         KEY(3, 3, KEY_F1),
  66         KEY(3, 6, KEY_O),
  67         KEY(3, 7, KEY_SPACE),
  68         KEY(4, 0, KEY_W),
  69         KEY(4, 1, KEY_Y),
  70         KEY(4, 2, KEY_U),
  71         KEY(4, 3, KEY_F2),
  72         KEY(4, 4, KEY_VOLUMEUP),
  73         KEY(4, 6, KEY_L),
  74         KEY(4, 7, KEY_LEFT),
  75         KEY(5, 0, KEY_S),
  76         KEY(5, 1, KEY_H),
  77         KEY(5, 2, KEY_J),
  78         KEY(5, 3, KEY_F3),
  79         KEY(5, 4, KEY_UNKNOWN),
  80         KEY(5, 5, KEY_VOLUMEDOWN),
  81         KEY(5, 6, KEY_M),
  82         KEY(5, 7, KEY_RIGHT),
  83         KEY(6, 0, KEY_Q),
  84         KEY(6, 1, KEY_A),
  85         KEY(6, 2, KEY_N),
  86         KEY(6, 3, KEY_BACKSPACE),
  87         KEY(6, 6, KEY_P),
  88         KEY(6, 7, KEY_UP),
  89         KEY(7, 0, KEY_PROG1),   /*MACRO 1 <User defined> */
  90         KEY(7, 1, KEY_PROG2),   /*MACRO 2 <User defined> */
  91         KEY(7, 2, KEY_PROG3),   /*MACRO 3 <User defined> */
  92         KEY(7, 3, KEY_PROG4),   /*MACRO 4 <User defined> */
  93         KEY(7, 6, KEY_SELECT),
  94         KEY(7, 7, KEY_DOWN)
  95 };
  96
  97 static struct matrix_keymap_data board_map_data = {
  98         .keymap                 = board_keymap,
  99         .keymap_size            = ARRAY_SIZE(board_keymap),
 100 };
 101
 102 static struct twl4030_keypad_data zoom_kp_twl4030_data = {
 103         .keymap_data    = &board_map_data,
 104         .rows           = 8,
 105         .cols           = 8,
 106         .rep            = 1,
 107 };
 108
 109 static struct regulator_consumer_supply zoom_vmmc1_supply[] = {
 110         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 111 };
 112
 113 static struct regulator_consumer_supply zoom_vsim_supply[] = {
 114         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 115 };
 116
 117 static struct regulator_consumer_supply zoom_vmmc2_supply[] = {
 118         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
 119 };
 120
 121 static struct regulator_consumer_supply zoom_vmmc3_supply[] = {
 122         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
 123 };
 124
 125 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 126 static struct regulator_init_data zoom_vmmc1 = {
 127         .constraints = {
 128                 .min_uV                 = 1850000,
 129                 .max_uV                 = 3150000,
 130                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 131                                         | REGULATOR_MODE_STANDBY,
 132                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 133                                         | REGULATOR_CHANGE_MODE
 134                                         | REGULATOR_CHANGE_STATUS,
 135         },
 136         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc1_supply),
 137         .consumer_supplies      = zoom_vmmc1_supply,
 138 };
 139
 140 /* VMMC2 for MMC2 card */
 141 static struct regulator_init_data zoom_vmmc2 = {
 142         .constraints = {
 143                 .min_uV                 = 1850000,
 144                 .max_uV                 = 1850000,
 145                 .apply_uV               = true,
 146                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 147                                         | REGULATOR_MODE_STANDBY,
 148                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 149                                         | REGULATOR_CHANGE_STATUS,
 150         },
 151         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc2_supply),
 152         .consumer_supplies      = zoom_vmmc2_supply,
 153 };
 154
 155 /* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
 156 static struct regulator_init_data zoom_vsim = {
 157         .constraints = {
 158                 .min_uV                 = 1800000,
 159                 .max_uV                 = 3000000,
 160                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 161                                         | REGULATOR_MODE_STANDBY,
 162                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 163                                         | REGULATOR_CHANGE_MODE
 164                                         | REGULATOR_CHANGE_STATUS,
 165         },
 166         .num_consumer_supplies  = ARRAY_SIZE(zoom_vsim_supply),
 167         .consumer_supplies      = zoom_vsim_supply,
 168 };
 169
 170 static struct regulator_init_data zoom_vmmc3 = {
 171         .constraints = {
 172                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 173         },
 174         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc3_supply),
 175         .consumer_supplies      = zoom_vmmc3_supply,
 176 };
 177
 178 static struct fixed_voltage_config zoom_vwlan = {
 179         .supply_name            = "vwl1271",
 180         .microvolts             = 1800000, /* 1.8V */
 181         .gpio                   = OMAP_ZOOM_WLAN_PMENA_GPIO,
 182         .startup_delay          = 70000, /* 70msec */
 183         .enable_high            = 1,
 184         .enabled_at_boot        = 0,
 185         .init_data              = &zoom_vmmc3,
 186 };
 187
 188 static struct platform_device omap_vwlan_device = {
 189         .name           = "reg-fixed-voltage",
 190         .id             = 1,
 191         .dev = {
 192                 .platform_data  = &zoom_vwlan,
 193         },
 194 };
 195
 196 static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
 197         /* ZOOM ref clock is 26 MHz */
 198         .board_ref_clock = 1,
 199 };
 200
 201 static struct omap2_hsmmc_info mmc[] = {
 202         {
 203                 .name           = "external",
 204                 .mmc            = 1,
 205                 .caps           = MMC_CAP_4_BIT_DATA,
 206                 .gpio_wp        = -EINVAL,
 207                 .power_saving   = true,
 208                 .deferred       = true,
 209         },
 210         {
 211                 .name           = "internal",
 212                 .mmc            = 2,
 213                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 214                 .gpio_cd        = -EINVAL,
 215                 .gpio_wp        = -EINVAL,
 216                 .nonremovable   = true,
 217                 .power_saving   = true,
 218         },
 219         {
 220                 .name           = "wl1271",
 221                 .mmc            = 3,
 222                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 223                 .gpio_wp        = -EINVAL,
 224                 .gpio_cd        = -EINVAL,
 225                 .nonremovable   = true,
 226         },
 227         {}      /* Terminator */
 228 };
 229
 230 static int zoom_twl_gpio_setup(struct device *dev,
 231                 unsigned gpio, unsigned ngpio)
 232 {
 233         int ret;
 234
 235         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 236         mmc[0].gpio_cd = gpio + 0;
 237         omap_hsmmc_late_init(mmc);
 238
 239         ret = gpio_request_one(LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
 240                                "lcd enable");
 241         if (ret)
 242                 pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).\n",
 243                                 LCD_PANEL_ENABLE_GPIO);
 244
 245         return ret;
 246 }
 247
 248 /* EXTMUTE callback function */
 249 static void zoom2_set_hs_extmute(int mute)
 250 {
 251         gpio_set_value(ZOOM2_HEADSET_EXTMUTE_GPIO, mute);
 252 }
 253
 254 static struct twl4030_gpio_platform_data zoom_gpio_data = {
 255         .setup          = zoom_twl_gpio_setup,
 256 };
 257
 258 static struct twl4030_platform_data zoom_twldata = {
 259         /* platform_data for children goes here */
 260         .gpio           = &zoom_gpio_data,
 261         .keypad         = &zoom_kp_twl4030_data,
 262         .vmmc1          = &zoom_vmmc1,
 263         .vmmc2          = &zoom_vmmc2,
 264         .vsim           = &zoom_vsim,
 265 };
 266
 267 static int __init omap_i2c_init(void)
 268 {
 269         omap3_pmic_get_config(&zoom_twldata,
 270                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_BCI |
 271                         TWL_COMMON_PDATA_MADC | TWL_COMMON_PDATA_AUDIO,
 272                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 273
 274         if (machine_is_omap_zoom2()) {
 275                 struct twl4030_codec_data *codec_data;
 276                 codec_data = zoom_twldata.audio->codec;
 277
 278                 codec_data->ramp_delay_value = 3;       /* 161 ms */
 279                 codec_data->hs_extmute = 1;
 280                 codec_data->set_hs_extmute = zoom2_set_hs_extmute;
 281         }
 282         omap_pmic_init(1, 2400, "twl5030", 7 + OMAP_INTC_START, &zoom_twldata);
 283         omap_register_i2c_bus(2, 400, NULL, 0);
 284         omap_register_i2c_bus(3, 400, NULL, 0);
 285         return 0;
 286 }
 287
 288 static void enable_board_wakeup_source(void)
 289 {
 290         /* T2 interrupt line (keypad) */
 291         omap_mux_init_signal("sys_nirq",
 292                 OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 293 }
 294
 295 void __init zoom_peripherals_init(void)
 296 {
 297         int ret;
 298
 299         omap_zoom_wlan_data.irq = gpio_to_irq(OMAP_ZOOM_WLAN_IRQ_GPIO);
 300         ret = wl12xx_set_platform_data(&omap_zoom_wlan_data);
 301
 302         if (ret)
 303                 pr_err("error setting wl12xx data: %d\n", ret);
 304
 305         omap_hsmmc_init(mmc);
 306         omap_i2c_init();
 307         platform_device_register(&omap_vwlan_device);
 308         usb_musb_init(NULL);
 309         enable_board_wakeup_source();
 310         omap_serial_init();
 311 }