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 ZOOM2_HEADSET_EXTMUTE_GPIO      (153)
  39 #define OMAP_ZOOM_WLAN_IRQ_GPIO         (162)
  40
  41 #define LCD_PANEL_ENABLE_GPIO           (7 + OMAP_MAX_GPIO_LINES)
  42
  43 /* Zoom2 has Qwerty keyboard*/
  44 static uint32_t board_keymap[] = {
  45         KEY(0, 0, KEY_E),
  46         KEY(0, 1, KEY_R),
  47         KEY(0, 2, KEY_T),
  48         KEY(0, 3, KEY_HOME),
  49         KEY(0, 6, KEY_I),
  50         KEY(0, 7, KEY_LEFTSHIFT),
  51         KEY(1, 0, KEY_D),
  52         KEY(1, 1, KEY_F),
  53         KEY(1, 2, KEY_G),
  54         KEY(1, 3, KEY_SEND),
  55         KEY(1, 6, KEY_K),
  56         KEY(1, 7, KEY_ENTER),
  57         KEY(2, 0, KEY_X),
  58         KEY(2, 1, KEY_C),
  59         KEY(2, 2, KEY_V),
  60         KEY(2, 3, KEY_END),
  61         KEY(2, 6, KEY_DOT),
  62         KEY(2, 7, KEY_CAPSLOCK),
  63         KEY(3, 0, KEY_Z),
  64         KEY(3, 1, KEY_KPPLUS),
  65         KEY(3, 2, KEY_B),
  66         KEY(3, 3, KEY_F1),
  67         KEY(3, 6, KEY_O),
  68         KEY(3, 7, KEY_SPACE),
  69         KEY(4, 0, KEY_W),
  70         KEY(4, 1, KEY_Y),
  71         KEY(4, 2, KEY_U),
  72         KEY(4, 3, KEY_F2),
  73         KEY(4, 4, KEY_VOLUMEUP),
  74         KEY(4, 6, KEY_L),
  75         KEY(4, 7, KEY_LEFT),
  76         KEY(5, 0, KEY_S),
  77         KEY(5, 1, KEY_H),
  78         KEY(5, 2, KEY_J),
  79         KEY(5, 3, KEY_F3),
  80         KEY(5, 4, KEY_UNKNOWN),
  81         KEY(5, 5, KEY_VOLUMEDOWN),
  82         KEY(5, 6, KEY_M),
  83         KEY(5, 7, KEY_RIGHT),
  84         KEY(6, 0, KEY_Q),
  85         KEY(6, 1, KEY_A),
  86         KEY(6, 2, KEY_N),
  87         KEY(6, 3, KEY_BACKSPACE),
  88         KEY(6, 6, KEY_P),
  89         KEY(6, 7, KEY_UP),
  90         KEY(7, 0, KEY_PROG1),   /*MACRO 1 <User defined> */
  91         KEY(7, 1, KEY_PROG2),   /*MACRO 2 <User defined> */
  92         KEY(7, 2, KEY_PROG3),   /*MACRO 3 <User defined> */
  93         KEY(7, 3, KEY_PROG4),   /*MACRO 4 <User defined> */
  94         KEY(7, 6, KEY_SELECT),
  95         KEY(7, 7, KEY_DOWN)
  96 };
  97
  98 static struct matrix_keymap_data board_map_data = {
  99         .keymap                 = board_keymap,
 100         .keymap_size            = ARRAY_SIZE(board_keymap),
 101 };
 102
 103 static struct twl4030_keypad_data zoom_kp_twl4030_data = {
 104         .keymap_data    = &board_map_data,
 105         .rows           = 8,
 106         .cols           = 8,
 107         .rep            = 1,
 108 };
 109
 110 static struct regulator_consumer_supply zoom_vmmc1_supply[] = {
 111         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 112 };
 113
 114 static struct regulator_consumer_supply zoom_vsim_supply[] = {
 115         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
 116 };
 117
 118 static struct regulator_consumer_supply zoom_vmmc2_supply[] = {
 119         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
 120 };
 121
 122 static struct regulator_consumer_supply zoom_vmmc3_supply[] = {
 123         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
 124 };
 125
 126 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 127 static struct regulator_init_data zoom_vmmc1 = {
 128         .constraints = {
 129                 .min_uV                 = 1850000,
 130                 .max_uV                 = 3150000,
 131                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 132                                         | REGULATOR_MODE_STANDBY,
 133                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 134                                         | REGULATOR_CHANGE_MODE
 135                                         | REGULATOR_CHANGE_STATUS,
 136         },
 137         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc1_supply),
 138         .consumer_supplies      = zoom_vmmc1_supply,
 139 };
 140
 141 /* VMMC2 for MMC2 card */
 142 static struct regulator_init_data zoom_vmmc2 = {
 143         .constraints = {
 144                 .min_uV                 = 1850000,
 145                 .max_uV                 = 1850000,
 146                 .apply_uV               = true,
 147                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 148                                         | REGULATOR_MODE_STANDBY,
 149                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 150                                         | REGULATOR_CHANGE_STATUS,
 151         },
 152         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc2_supply),
 153         .consumer_supplies      = zoom_vmmc2_supply,
 154 };
 155
 156 /* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
 157 static struct regulator_init_data zoom_vsim = {
 158         .constraints = {
 159                 .min_uV                 = 1800000,
 160                 .max_uV                 = 3000000,
 161                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 162                                         | REGULATOR_MODE_STANDBY,
 163                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 164                                         | REGULATOR_CHANGE_MODE
 165                                         | REGULATOR_CHANGE_STATUS,
 166         },
 167         .num_consumer_supplies  = ARRAY_SIZE(zoom_vsim_supply),
 168         .consumer_supplies      = zoom_vsim_supply,
 169 };
 170
 171 static struct regulator_init_data zoom_vmmc3 = {
 172         .constraints = {
 173                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 174         },
 175         .num_consumer_supplies  = ARRAY_SIZE(zoom_vmmc3_supply),
 176         .consumer_supplies      = zoom_vmmc3_supply,
 177 };
 178
 179 static struct fixed_voltage_config zoom_vwlan = {
 180         .supply_name            = "vwl1271",
 181         .microvolts             = 1800000, /* 1.8V */
 182         .gpio                   = OMAP_ZOOM_WLAN_PMENA_GPIO,
 183         .startup_delay          = 70000, /* 70msec */
 184         .enable_high            = 1,
 185         .enabled_at_boot        = 0,
 186         .init_data              = &zoom_vmmc3,
 187 };
 188
 189 static struct platform_device omap_vwlan_device = {
 190         .name           = "reg-fixed-voltage",
 191         .id             = 1,
 192         .dev = {
 193                 .platform_data  = &zoom_vwlan,
 194         },
 195 };
 196
 197 static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
 198         .board_ref_clock = WL12XX_REFCLOCK_26, /* 26 MHz */
 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 static struct twl4030_gpio_platform_data zoom_gpio_data = {
 249         .setup          = zoom_twl_gpio_setup,
 250 };
 251
 252 static struct twl4030_platform_data zoom_twldata = {
 253         /* platform_data for children goes here */
 254         .gpio           = &zoom_gpio_data,
 255         .keypad         = &zoom_kp_twl4030_data,
 256         .vmmc1          = &zoom_vmmc1,
 257         .vmmc2          = &zoom_vmmc2,
 258         .vsim           = &zoom_vsim,
 259 };
 260
 261 static int __init omap_i2c_init(void)
 262 {
 263         omap3_pmic_get_config(&zoom_twldata,
 264                         TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_BCI |
 265                         TWL_COMMON_PDATA_MADC | TWL_COMMON_PDATA_AUDIO,
 266                         TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
 267
 268         if (machine_is_omap_zoom2()) {
 269                 struct twl4030_codec_data *codec_data;
 270                 codec_data = zoom_twldata.audio->codec;
 271
 272                 codec_data->ramp_delay_value = 3;       /* 161 ms */
 273                 codec_data->hs_extmute = 1;
 274                 codec_data->hs_extmute_gpio = ZOOM2_HEADSET_EXTMUTE_GPIO;
 275         }
 276         omap_pmic_init(1, 2400, "twl5030", 7 + OMAP_INTC_START, &zoom_twldata);
 277         omap_register_i2c_bus(2, 400, NULL, 0);
 278         omap_register_i2c_bus(3, 400, NULL, 0);
 279         return 0;
 280 }
 281
 282 static void enable_board_wakeup_source(void)
 283 {
 284         /* T2 interrupt line (keypad) */
 285         omap_mux_init_signal("sys_nirq",
 286                 OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 287 }
 288
 289 void __init zoom_peripherals_init(void)
 290 {
 291         int ret;
 292
 293         omap_zoom_wlan_data.irq = gpio_to_irq(OMAP_ZOOM_WLAN_IRQ_GPIO);
 294         ret = wl12xx_set_platform_data(&omap_zoom_wlan_data);
 295
 296         if (ret)
 297                 pr_err("error setting wl12xx data: %d\n", ret);
 298
 299         omap_hsmmc_init(mmc);
 300         omap_i2c_init();
 301         platform_device_register(&omap_vwlan_device);
 302         usb_musb_init(NULL);
 303         enable_board_wakeup_source();
 304         omap_serial_init();
 305 }