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 <plat/common.h>
  28 #include <plat/usb.h>
  29
  30 #include <mach/board-zoom.h>
  31
  32 #include "mux.h"
  33 #include "hsmmc.h"
  34
  35 #define OMAP_ZOOM_WLAN_PMENA_GPIO       (101)
  36 #define OMAP_ZOOM_WLAN_IRQ_GPIO         (162)
  37
  38 #define LCD_PANEL_ENABLE_GPIO           (7 + OMAP_MAX_GPIO_LINES)
  39
  40 /* Zoom2 has Qwerty keyboard*/
  41 static uint32_t board_keymap[] = {
  42         KEY(0, 0, KEY_E),
  43         KEY(0, 1, KEY_R),
  44         KEY(0, 2, KEY_T),
  45         KEY(0, 3, KEY_HOME),
  46         KEY(0, 6, KEY_I),
  47         KEY(0, 7, KEY_LEFTSHIFT),
  48         KEY(1, 0, KEY_D),
  49         KEY(1, 1, KEY_F),
  50         KEY(1, 2, KEY_G),
  51         KEY(1, 3, KEY_SEND),
  52         KEY(1, 6, KEY_K),
  53         KEY(1, 7, KEY_ENTER),
  54         KEY(2, 0, KEY_X),
  55         KEY(2, 1, KEY_C),
  56         KEY(2, 2, KEY_V),
  57         KEY(2, 3, KEY_END),
  58         KEY(2, 6, KEY_DOT),
  59         KEY(2, 7, KEY_CAPSLOCK),
  60         KEY(3, 0, KEY_Z),
  61         KEY(3, 1, KEY_KPPLUS),
  62         KEY(3, 2, KEY_B),
  63         KEY(3, 3, KEY_F1),
  64         KEY(3, 6, KEY_O),
  65         KEY(3, 7, KEY_SPACE),
  66         KEY(4, 0, KEY_W),
  67         KEY(4, 1, KEY_Y),
  68         KEY(4, 2, KEY_U),
  69         KEY(4, 3, KEY_F2),
  70         KEY(4, 4, KEY_VOLUMEUP),
  71         KEY(4, 6, KEY_L),
  72         KEY(4, 7, KEY_LEFT),
  73         KEY(5, 0, KEY_S),
  74         KEY(5, 1, KEY_H),
  75         KEY(5, 2, KEY_J),
  76         KEY(5, 3, KEY_F3),
  77         KEY(5, 4, KEY_UNKNOWN),
  78         KEY(5, 5, KEY_VOLUMEDOWN),
  79         KEY(5, 6, KEY_M),
  80         KEY(5, 7, KEY_RIGHT),
  81         KEY(6, 0, KEY_Q),
  82         KEY(6, 1, KEY_A),
  83         KEY(6, 2, KEY_N),
  84         KEY(6, 3, KEY_BACKSPACE),
  85         KEY(6, 6, KEY_P),
  86         KEY(6, 7, KEY_UP),
  87         KEY(7, 0, KEY_PROG1),   /*MACRO 1 <User defined> */
  88         KEY(7, 1, KEY_PROG2),   /*MACRO 2 <User defined> */
  89         KEY(7, 2, KEY_PROG3),   /*MACRO 3 <User defined> */
  90         KEY(7, 3, KEY_PROG4),   /*MACRO 4 <User defined> */
  91         KEY(7, 6, KEY_SELECT),
  92         KEY(7, 7, KEY_DOWN)
  93 };
  94
  95 static struct matrix_keymap_data board_map_data = {
  96         .keymap                 = board_keymap,
  97         .keymap_size            = ARRAY_SIZE(board_keymap),
  98 };
  99
 100 static struct twl4030_keypad_data zoom_kp_twl4030_data = {
 101         .keymap_data    = &board_map_data,
 102         .rows           = 8,
 103         .cols           = 8,
 104         .rep            = 1,
 105 };
 106
 107 static struct regulator_consumer_supply zoom_vmmc1_supply = {
 108         .supply         = "vmmc",
 109 };
 110
 111 static struct regulator_consumer_supply zoom_vsim_supply = {
 112         .supply         = "vmmc_aux",
 113 };
 114
 115 static struct regulator_consumer_supply zoom_vmmc2_supply = {
 116         .supply         = "vmmc",
 117 };
 118
 119 static struct regulator_consumer_supply zoom_vmmc3_supply = {
 120         .supply         = "vmmc",
 121         .dev_name       = "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  = 1,
 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  = 1,
 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  = 1,
 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  = 1,
 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         .irq = OMAP_GPIO_IRQ(OMAP_ZOOM_WLAN_IRQ_GPIO),
 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         },
 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 struct regulator_consumer_supply zoom_vpll2_supplies[] = {
 230         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 231         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
 232 };
 233
 234 static struct regulator_consumer_supply zoom_vdda_dac_supply =
 235         REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
 236
 237 static struct regulator_init_data zoom_vpll2 = {
 238         .constraints = {
 239                 .min_uV                 = 1800000,
 240                 .max_uV                 = 1800000,
 241                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 242                                         | REGULATOR_MODE_STANDBY,
 243                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 244                                         | REGULATOR_CHANGE_STATUS,
 245         },
 246         .num_consumer_supplies          = ARRAY_SIZE(zoom_vpll2_supplies),
 247         .consumer_supplies              = zoom_vpll2_supplies,
 248 };
 249
 250 static struct regulator_init_data zoom_vdac = {
 251         .constraints = {
 252                 .min_uV                 = 1800000,
 253                 .max_uV                 = 1800000,
 254                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 255                                         | REGULATOR_MODE_STANDBY,
 256                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 257                                         | REGULATOR_CHANGE_STATUS,
 258         },
 259         .num_consumer_supplies          = 1,
 260         .consumer_supplies              = &zoom_vdda_dac_supply,
 261 };
 262
 263 static int zoom_twl_gpio_setup(struct device *dev,
 264                 unsigned gpio, unsigned ngpio)
 265 {
 266         int ret;
 267
 268         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 269         mmc[0].gpio_cd = gpio + 0;
 270         omap2_hsmmc_init(mmc);
 271
 272         /* link regulators to MMC adapters ... we "know" the
 273          * regulators will be set up only *after* we return.
 274         */
 275         zoom_vmmc1_supply.dev = mmc[0].dev;
 276         zoom_vsim_supply.dev = mmc[0].dev;
 277         zoom_vmmc2_supply.dev = mmc[1].dev;
 278
 279         ret = gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd enable");
 280         if (ret) {
 281                 pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).\n",
 282                                 LCD_PANEL_ENABLE_GPIO);
 283                 return ret;
 284         }
 285         gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
 286
 287         return ret;
 288 }
 289
 290 /* EXTMUTE callback function */
 291 static void zoom2_set_hs_extmute(int mute)
 292 {
 293         gpio_set_value(ZOOM2_HEADSET_EXTMUTE_GPIO, mute);
 294 }
 295
 296 static int zoom_batt_table[] = {
 297 /* 0 C*/
 298 30800, 29500, 28300, 27100,
 299 26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
 300 17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
 301 11600, 11200, 10800, 10400, 10000, 9630,  9280,  8950,  8620,  8310,
 302 8020,  7730,  7460,  7200,  6950,  6710,  6470,  6250,  6040,  5830,
 303 5640,  5450,  5260,  5090,  4920,  4760,  4600,  4450,  4310,  4170,
 304 4040,  3910,  3790,  3670,  3550
 305 };
 306
 307 static struct twl4030_bci_platform_data zoom_bci_data = {
 308         .battery_tmp_tbl        = zoom_batt_table,
 309         .tblsize                = ARRAY_SIZE(zoom_batt_table),
 310 };
 311
 312 static struct twl4030_usb_data zoom_usb_data = {
 313         .usb_mode       = T2_USB_MODE_ULPI,
 314 };
 315
 316 static struct twl4030_gpio_platform_data zoom_gpio_data = {
 317         .gpio_base      = OMAP_MAX_GPIO_LINES,
 318         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 319         .irq_end        = TWL4030_GPIO_IRQ_END,
 320         .setup          = zoom_twl_gpio_setup,
 321 };
 322
 323 static struct twl4030_madc_platform_data zoom_madc_data = {
 324         .irq_line       = 1,
 325 };
 326
 327 static struct twl4030_codec_audio_data zoom_audio_data;
 328
 329 static struct twl4030_codec_data zoom_codec_data = {
 330         .audio_mclk = 26000000,
 331         .audio = &zoom_audio_data,
 332 };
 333
 334 static struct twl4030_platform_data zoom_twldata = {
 335         .irq_base       = TWL4030_IRQ_BASE,
 336         .irq_end        = TWL4030_IRQ_END,
 337
 338         /* platform_data for children goes here */
 339         .bci            = &zoom_bci_data,
 340         .madc           = &zoom_madc_data,
 341         .usb            = &zoom_usb_data,
 342         .gpio           = &zoom_gpio_data,
 343         .keypad         = &zoom_kp_twl4030_data,
 344         .codec          = &zoom_codec_data,
 345         .vmmc1          = &zoom_vmmc1,
 346         .vmmc2          = &zoom_vmmc2,
 347         .vsim           = &zoom_vsim,
 348         .vpll2          = &zoom_vpll2,
 349         .vdac           = &zoom_vdac,
 350 };
 351
 352 static struct i2c_board_info __initdata zoom_i2c_boardinfo[] = {
 353         {
 354                 I2C_BOARD_INFO("twl5030", 0x48),
 355                 .flags          = I2C_CLIENT_WAKE,
 356                 .irq            = INT_34XX_SYS_NIRQ,
 357                 .platform_data  = &zoom_twldata,
 358         },
 359 };
 360
 361 static int __init omap_i2c_init(void)
 362 {
 363         if (machine_is_omap_zoom2()) {
 364                 zoom_audio_data.ramp_delay_value = 3;   /* 161 ms */
 365                 zoom_audio_data.hs_extmute = 1;
 366                 zoom_audio_data.set_hs_extmute = zoom2_set_hs_extmute;
 367         }
 368         omap_register_i2c_bus(1, 2400, zoom_i2c_boardinfo,
 369                         ARRAY_SIZE(zoom_i2c_boardinfo));
 370         omap_register_i2c_bus(2, 400, NULL, 0);
 371         omap_register_i2c_bus(3, 400, NULL, 0);
 372         return 0;
 373 }
 374
 375 static struct omap_musb_board_data musb_board_data = {
 376         .interface_type         = MUSB_INTERFACE_ULPI,
 377         .mode                   = MUSB_OTG,
 378         .power                  = 100,
 379 };
 380
 381 static void enable_board_wakeup_source(void)
 382 {
 383         /* T2 interrupt line (keypad) */
 384         omap_mux_init_signal("sys_nirq",
 385                 OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 386 }
 387
 388 void __init zoom_peripherals_init(void)
 389 {
 390         if (wl12xx_set_platform_data(&omap_zoom_wlan_data))
 391                 pr_err("error setting wl12xx data\n");
 392
 393         omap_i2c_init();
 394         platform_device_register(&omap_vwlan_device);
 395         usb_musb_init(&musb_board_data);
 396         enable_board_wakeup_source();
 397         omap_serial_init();
 398 }