arch/arm/mach-omap2/board-omap3stalker.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-omap3evm.c
   3  *
   4  * Copyright (C) 2008 Guangzhou EMA-Tech
   5  *
   6  * Modified from mach-omap2/board-omap3evm.c
   7  *
   8  * Initial code: Syed Mohammed Khasim
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/err.h>
  20 #include <linux/clk.h>
  21 #include <linux/io.h>
  22 #include <linux/leds.h>
  23 #include <linux/gpio.h>
  24 #include <linux/input.h>
  25 #include <linux/gpio_keys.h>
  26
  27 #include <linux/regulator/machine.h>
  28 #include <linux/i2c/twl.h>
  29 #include <linux/mmc/host.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35 #include <asm/mach/flash.h>
  36
  37 #include <plat/board.h>
  38 #include <plat/common.h>
  39 #include <plat/gpmc.h>
  40 #include <plat/nand.h>
  41 #include <plat/usb.h>
  42 #include <plat/display.h>
  43 #include <plat/panel-generic-dpi.h>
  44
  45 #include <plat/mcspi.h>
  46 #include <linux/input/matrix_keypad.h>
  47 #include <linux/spi/spi.h>
  48 #include <linux/spi/ads7846.h>
  49 #include <linux/interrupt.h>
  50 #include <linux/smsc911x.h>
  51 #include <linux/i2c/at24.h>
  52
  53 #include "sdram-micron-mt46h32m32lf-6.h"
  54 #include "mux.h"
  55 #include "hsmmc.h"
  56 #include "timer-gp.h"
  57
  58 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  59 #define OMAP3STALKER_ETHR_START 0x2c000000
  60 #define OMAP3STALKER_ETHR_SIZE  1024
  61 #define OMAP3STALKER_ETHR_GPIO_IRQ      19
  62 #define OMAP3STALKER_SMC911X_CS 5
  63
  64 static struct resource omap3stalker_smsc911x_resources[] = {
  65         [0] = {
  66                .start   = OMAP3STALKER_ETHR_START,
  67                .end     =
  68                (OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1),
  69                .flags   = IORESOURCE_MEM,
  70         },
  71         [1] = {
  72                .start   = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
  73                .end     = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
  74                .flags   = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
  75         },
  76 };
  77
  78 static struct smsc911x_platform_config smsc911x_config = {
  79         .phy_interface  = PHY_INTERFACE_MODE_MII,
  80         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  81         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  82         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
  83 };
  84
  85 static struct platform_device omap3stalker_smsc911x_device = {
  86         .name           = "smsc911x",
  87         .id             = -1,
  88         .num_resources  = ARRAY_SIZE(omap3stalker_smsc911x_resources),
  89         .resource       = &omap3stalker_smsc911x_resources[0],
  90         .dev            = {
  91                 .platform_data  = &smsc911x_config,
  92         },
  93 };
  94
  95 static inline void __init omap3stalker_init_eth(void)
  96 {
  97         int eth_cs;
  98         struct clk *l3ck;
  99         unsigned int rate;
 100
 101         eth_cs = OMAP3STALKER_SMC911X_CS;
 102
 103         l3ck = clk_get(NULL, "l3_ck");
 104         if (IS_ERR(l3ck))
 105                 rate = 100000000;
 106         else
 107                 rate = clk_get_rate(l3ck);
 108
 109         omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
 110         if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
 111                 printk(KERN_ERR
 112                        "Failed to request GPIO%d for smc911x IRQ\n",
 113                        OMAP3STALKER_ETHR_GPIO_IRQ);
 114                 return;
 115         }
 116
 117         gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ);
 118
 119         platform_device_register(&omap3stalker_smsc911x_device);
 120 }
 121
 122 #else
 123 static inline void __init omap3stalker_init_eth(void)
 124 {
 125         return;
 126 }
 127 #endif
 128
 129 /*
 130  * OMAP3 DSS control signals
 131  */
 132
 133 #define DSS_ENABLE_GPIO 199
 134 #define LCD_PANEL_BKLIGHT_GPIO  210
 135 #define ENABLE_VPLL2_DEV_GRP    0xE0
 136
 137 static int lcd_enabled;
 138 static int dvi_enabled;
 139
 140 static void __init omap3_stalker_display_init(void)
 141 {
 142         return;
 143 }
 144
 145 static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
 146 {
 147         if (dvi_enabled) {
 148                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 149                 return -EINVAL;
 150         }
 151         gpio_set_value(DSS_ENABLE_GPIO, 1);
 152         gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
 153         lcd_enabled = 1;
 154         return 0;
 155 }
 156
 157 static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
 158 {
 159         gpio_set_value(DSS_ENABLE_GPIO, 0);
 160         gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
 161         lcd_enabled = 0;
 162 }
 163
 164 static struct panel_generic_dpi_data lcd_panel = {
 165         .name                   = "generic",
 166         .platform_enable        = omap3_stalker_enable_lcd,
 167         .platform_disable       = omap3_stalker_disable_lcd,
 168 };
 169
 170 static struct omap_dss_device omap3_stalker_lcd_device = {
 171         .name                   = "lcd",
 172         .driver_name            = "generic_dpi_panel",
 173         .data                   = &lcd_panel,
 174         .phy.dpi.data_lines     = 24,
 175         .type                   = OMAP_DISPLAY_TYPE_DPI,
 176 };
 177
 178 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
 179 {
 180         return 0;
 181 }
 182
 183 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
 184 {
 185 }
 186
 187 static struct omap_dss_device omap3_stalker_tv_device = {
 188         .name                   = "tv",
 189         .driver_name            = "venc",
 190         .type                   = OMAP_DISPLAY_TYPE_VENC,
 191 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 192         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 193 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 194         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 195 #endif
 196         .platform_enable        = omap3_stalker_enable_tv,
 197         .platform_disable       = omap3_stalker_disable_tv,
 198 };
 199
 200 static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
 201 {
 202         if (lcd_enabled) {
 203                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 204                 return -EINVAL;
 205         }
 206         gpio_set_value(DSS_ENABLE_GPIO, 1);
 207         dvi_enabled = 1;
 208         return 0;
 209 }
 210
 211 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
 212 {
 213         gpio_set_value(DSS_ENABLE_GPIO, 0);
 214         dvi_enabled = 0;
 215 }
 216
 217 static struct panel_generic_dpi_data dvi_panel = {
 218         .name                   = "generic",
 219         .platform_enable        = omap3_stalker_enable_dvi,
 220         .platform_disable       = omap3_stalker_disable_dvi,
 221 };
 222
 223 static struct omap_dss_device omap3_stalker_dvi_device = {
 224         .name                   = "dvi",
 225         .type                   = OMAP_DISPLAY_TYPE_DPI,
 226         .driver_name            = "generic_dpi_panel",
 227         .data                   = &dvi_panel,
 228         .phy.dpi.data_lines     = 24,
 229 };
 230
 231 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 232         &omap3_stalker_lcd_device,
 233         &omap3_stalker_tv_device,
 234         &omap3_stalker_dvi_device,
 235 };
 236
 237 static struct omap_dss_board_info omap3_stalker_dss_data = {
 238         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 239         .devices        = omap3_stalker_dss_devices,
 240         .default_device = &omap3_stalker_dvi_device,
 241 };
 242
 243 static struct platform_device omap3_stalker_dss_device = {
 244         .name   = "omapdss",
 245         .id     = -1,
 246         .dev    = {
 247                 .platform_data  = &omap3_stalker_dss_data,
 248         },
 249 };
 250
 251 static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
 252         .supply         = "vmmc",
 253 };
 254
 255 static struct regulator_consumer_supply omap3stalker_vsim_supply = {
 256         .supply         = "vmmc_aux",
 257 };
 258
 259 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 260 static struct regulator_init_data omap3stalker_vmmc1 = {
 261         .constraints            = {
 262                 .min_uV                 = 1850000,
 263                 .max_uV                 = 3150000,
 264                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 265                 | REGULATOR_MODE_STANDBY,
 266                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 267                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 268         },
 269         .num_consumer_supplies  = 1,
 270         .consumer_supplies      = &omap3stalker_vmmc1_supply,
 271 };
 272
 273 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 274 static struct regulator_init_data omap3stalker_vsim = {
 275         .constraints            = {
 276                 .min_uV                 = 1800000,
 277                 .max_uV                 = 3000000,
 278                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 279                 | REGULATOR_MODE_STANDBY,
 280                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 281                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 282         },
 283         .num_consumer_supplies  = 1,
 284         .consumer_supplies      = &omap3stalker_vsim_supply,
 285 };
 286
 287 static struct omap2_hsmmc_info mmc[] = {
 288         {
 289          .mmc           = 1,
 290          .caps          = MMC_CAP_4_BIT_DATA,
 291          .gpio_cd       = -EINVAL,
 292          .gpio_wp       = 23,
 293          },
 294         {}                      /* Terminator */
 295 };
 296
 297 static struct gpio_keys_button gpio_buttons[] = {
 298         {
 299          .code          = BTN_EXTRA,
 300          .gpio          = 18,
 301          .desc          = "user",
 302          .wakeup        = 1,
 303          },
 304 };
 305
 306 static struct gpio_keys_platform_data gpio_key_info = {
 307         .buttons        = gpio_buttons,
 308         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 309 };
 310
 311 static struct platform_device keys_gpio = {
 312         .name           = "gpio-keys",
 313         .id             = -1,
 314         .dev            = {
 315                 .platform_data  = &gpio_key_info,
 316         },
 317 };
 318
 319 static struct gpio_led gpio_leds[] = {
 320         {
 321          .name                  = "stalker:D8:usr0",
 322          .default_trigger       = "default-on",
 323          .gpio                  = 126,
 324          },
 325         {
 326          .name                  = "stalker:D9:usr1",
 327          .default_trigger       = "default-on",
 328          .gpio                  = 127,
 329          },
 330         {
 331          .name                  = "stalker:D3:mmc0",
 332          .gpio                  = -EINVAL,      /* gets replaced */
 333          .active_low            = true,
 334          .default_trigger       = "mmc0",
 335          },
 336         {
 337          .name                  = "stalker:D4:heartbeat",
 338          .gpio                  = -EINVAL,      /* gets replaced */
 339          .active_low            = true,
 340          .default_trigger       = "heartbeat",
 341          },
 342 };
 343
 344 static struct gpio_led_platform_data gpio_led_info = {
 345         .leds           = gpio_leds,
 346         .num_leds       = ARRAY_SIZE(gpio_leds),
 347 };
 348
 349 static struct platform_device leds_gpio = {
 350         .name   = "leds-gpio",
 351         .id     = -1,
 352         .dev    = {
 353                 .platform_data  = &gpio_led_info,
 354         },
 355 };
 356
 357 static int
 358 omap3stalker_twl_gpio_setup(struct device *dev,
 359                             unsigned gpio, unsigned ngpio)
 360 {
 361         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 362         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 363         mmc[0].gpio_cd = gpio + 0;
 364         omap2_hsmmc_init(mmc);
 365
 366         /* link regulators to MMC adapters */
 367         omap3stalker_vmmc1_supply.dev = mmc[0].dev;
 368         omap3stalker_vsim_supply.dev = mmc[0].dev;
 369
 370         /*
 371          * Most GPIOs are for USB OTG.  Some are mostly sent to
 372          * the P2 connector; notably LEDA for the LCD backlight.
 373          */
 374
 375         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 376         gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
 377         gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 378
 379         /* gpio + 7 == DVI Enable */
 380         gpio_request(gpio + 7, "EN_DVI");
 381         gpio_direction_output(gpio + 7, 0);
 382
 383         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 384         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 385         /* GPIO + 13 == ledsync (out, heartbeat) */
 386         gpio_leds[3].gpio = gpio + 13;
 387
 388         platform_device_register(&leds_gpio);
 389         return 0;
 390 }
 391
 392 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 393         .gpio_base      = OMAP_MAX_GPIO_LINES,
 394         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 395         .irq_end        = TWL4030_GPIO_IRQ_END,
 396         .use_leds       = true,
 397         .setup          = omap3stalker_twl_gpio_setup,
 398 };
 399
 400 static struct twl4030_usb_data omap3stalker_usb_data = {
 401         .usb_mode       = T2_USB_MODE_ULPI,
 402 };
 403
 404 static uint32_t board_keymap[] = {
 405         KEY(0, 0, KEY_LEFT),
 406         KEY(0, 1, KEY_DOWN),
 407         KEY(0, 2, KEY_ENTER),
 408         KEY(0, 3, KEY_M),
 409
 410         KEY(1, 0, KEY_RIGHT),
 411         KEY(1, 1, KEY_UP),
 412         KEY(1, 2, KEY_I),
 413         KEY(1, 3, KEY_N),
 414
 415         KEY(2, 0, KEY_A),
 416         KEY(2, 1, KEY_E),
 417         KEY(2, 2, KEY_J),
 418         KEY(2, 3, KEY_O),
 419
 420         KEY(3, 0, KEY_B),
 421         KEY(3, 1, KEY_F),
 422         KEY(3, 2, KEY_K),
 423         KEY(3, 3, KEY_P)
 424 };
 425
 426 static struct matrix_keymap_data board_map_data = {
 427         .keymap         = board_keymap,
 428         .keymap_size    = ARRAY_SIZE(board_keymap),
 429 };
 430
 431 static struct twl4030_keypad_data omap3stalker_kp_data = {
 432         .keymap_data    = &board_map_data,
 433         .rows           = 4,
 434         .cols           = 4,
 435         .rep            = 1,
 436 };
 437
 438 static struct twl4030_madc_platform_data omap3stalker_madc_data = {
 439         .irq_line       = 1,
 440 };
 441
 442 static struct twl4030_codec_audio_data omap3stalker_audio_data = {
 443         .audio_mclk     = 26000000,
 444 };
 445
 446 static struct twl4030_codec_data omap3stalker_codec_data = {
 447         .audio_mclk     = 26000000,
 448         .audio          = &omap3stalker_audio_data,
 449 };
 450
 451 static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply = {
 452         .supply         = "vdda_dac",
 453         .dev            = &omap3_stalker_dss_device.dev,
 454 };
 455
 456 /* VDAC for DSS driving S-Video */
 457 static struct regulator_init_data omap3_stalker_vdac = {
 458         .constraints            = {
 459                 .min_uV                 = 1800000,
 460                 .max_uV                 = 1800000,
 461                 .apply_uV               = true,
 462                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 463                 | REGULATOR_MODE_STANDBY,
 464                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 465                 | REGULATOR_CHANGE_STATUS,
 466         },
 467         .num_consumer_supplies  = 1,
 468         .consumer_supplies      = &omap3_stalker_vdda_dac_supply,
 469 };
 470
 471 /* VPLL2 for digital video outputs */
 472 static struct regulator_consumer_supply omap3_stalker_vpll2_supply = {
 473         .supply         = "vdds_dsi",
 474         .dev            = &omap3_stalker_lcd_device.dev,
 475 };
 476
 477 static struct regulator_init_data omap3_stalker_vpll2 = {
 478         .constraints            = {
 479                 .name                   = "VDVI",
 480                 .min_uV                 = 1800000,
 481                 .max_uV                 = 1800000,
 482                 .apply_uV = true,
 483                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 484                 | REGULATOR_MODE_STANDBY,
 485                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 486                 | REGULATOR_CHANGE_STATUS,
 487         },
 488         .num_consumer_supplies  = 1,
 489         .consumer_supplies      = &omap3_stalker_vpll2_supply,
 490 };
 491
 492 static struct twl4030_platform_data omap3stalker_twldata = {
 493         .irq_base       = TWL4030_IRQ_BASE,
 494         .irq_end        = TWL4030_IRQ_END,
 495
 496         /* platform_data for children goes here */
 497         .keypad         = &omap3stalker_kp_data,
 498         .madc           = &omap3stalker_madc_data,
 499         .usb            = &omap3stalker_usb_data,
 500         .gpio           = &omap3stalker_gpio_data,
 501         .codec          = &omap3stalker_codec_data,
 502         .vdac           = &omap3_stalker_vdac,
 503         .vpll2          = &omap3_stalker_vpll2,
 504 };
 505
 506 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = {
 507         {
 508          I2C_BOARD_INFO("twl4030", 0x48),
 509          .flags         = I2C_CLIENT_WAKE,
 510          .irq           = INT_34XX_SYS_NIRQ,
 511          .platform_data = &omap3stalker_twldata,
 512          },
 513 };
 514
 515 static struct at24_platform_data fram_info = {
 516         .byte_len       = (64 * 1024) / 8,
 517         .page_size      = 8192,
 518         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 519 };
 520
 521 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 522         {
 523          I2C_BOARD_INFO("24c64", 0x50),
 524          .flags         = I2C_CLIENT_WAKE,
 525          .platform_data = &fram_info,
 526          },
 527 };
 528
 529 static int __init omap3_stalker_i2c_init(void)
 530 {
 531         /*
 532          * REVISIT: These entries can be set in omap3evm_twl_data
 533          * after a merge with MFD tree
 534          */
 535         omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1;
 536         omap3stalker_twldata.vsim = &omap3stalker_vsim;
 537
 538         omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo,
 539                               ARRAY_SIZE(omap3stalker_i2c_boardinfo));
 540         omap_register_i2c_bus(2, 400, NULL, 0);
 541         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 542                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 543         return 0;
 544 }
 545
 546 #define OMAP3_STALKER_TS_GPIO   175
 547 static void ads7846_dev_init(void)
 548 {
 549         if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0)
 550                 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
 551
 552         gpio_direction_input(OMAP3_STALKER_TS_GPIO);
 553         gpio_set_debounce(OMAP3_STALKER_TS_GPIO, 310);
 554 }
 555
 556 static int ads7846_get_pendown_state(void)
 557 {
 558         return !gpio_get_value(OMAP3_STALKER_TS_GPIO);
 559 }
 560
 561 static struct ads7846_platform_data ads7846_config = {
 562         .x_max                  = 0x0fff,
 563         .y_max                  = 0x0fff,
 564         .x_plate_ohms           = 180,
 565         .pressure_max           = 255,
 566         .debounce_max           = 10,
 567         .debounce_tol           = 3,
 568         .debounce_rep           = 1,
 569         .get_pendown_state      = ads7846_get_pendown_state,
 570         .keep_vref_on           = 1,
 571         .settle_delay_usecs     = 150,
 572 };
 573
 574 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 575         .turbo_mode             = 0,
 576         .single_channel         = 1,    /* 0: slave, 1: master */
 577 };
 578
 579 static struct spi_board_info omap3stalker_spi_board_info[] = {
 580         [0] = {
 581                .modalias        = "ads7846",
 582                .bus_num         = 1,
 583                .chip_select     = 0,
 584                .max_speed_hz    = 1500000,
 585                .controller_data = &ads7846_mcspi_config,
 586                .irq             = OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO),
 587                .platform_data   = &ads7846_config,
 588         },
 589 };
 590
 591 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
 592 };
 593
 594 static void __init omap3_stalker_init_irq(void)
 595 {
 596         omap_board_config = omap3_stalker_config;
 597         omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
 598         omap2_init_common_infrastructure();
 599         omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
 600         omap_init_irq();
 601 #ifdef CONFIG_OMAP_32K_TIMER
 602         omap2_gp_clockevent_set_gptimer(12);
 603 #endif
 604 }
 605
 606 static struct platform_device *omap3_stalker_devices[] __initdata = {
 607         &omap3_stalker_dss_device,
 608         &keys_gpio,
 609 };
 610
 611 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 612         .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 613         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 614         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 615
 616         .phy_reset = true,
 617         .reset_gpio_port[0] = -EINVAL,
 618         .reset_gpio_port[1] = 21,
 619         .reset_gpio_port[2] = -EINVAL,
 620 };
 621
 622 #ifdef CONFIG_OMAP_MUX
 623 static struct omap_board_mux board_mux[] __initdata = {
 624         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 625                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 626         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 627                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 628         {.reg_offset = OMAP_MUX_TERMINATOR},
 629 };
 630 #endif
 631
 632 static struct omap_musb_board_data musb_board_data = {
 633         .interface_type = MUSB_INTERFACE_ULPI,
 634         .mode           = MUSB_OTG,
 635         .power          = 100,
 636 };
 637
 638 static void __init omap3_stalker_init(void)
 639 {
 640         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 641
 642         omap3_stalker_i2c_init();
 643
 644         platform_add_devices(omap3_stalker_devices,
 645                              ARRAY_SIZE(omap3_stalker_devices));
 646
 647         spi_register_board_info(omap3stalker_spi_board_info,
 648                                 ARRAY_SIZE(omap3stalker_spi_board_info));
 649
 650         omap_serial_init();
 651         usb_musb_init(&musb_board_data);
 652         usb_ehci_init(&ehci_pdata);
 653         ads7846_dev_init();
 654
 655         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 656         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 657
 658         omap3stalker_init_eth();
 659         omap3_stalker_display_init();
 660 /* Ensure SDRC pins are mux'd for self-refresh */
 661         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 662         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 663 }
 664
 665 MACHINE_START(SBC3530, "OMAP3 STALKER")
 666         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 667         .boot_params            = 0x80000100,
 668         .map_io                 = omap3_map_io,
 669         .init_irq               = omap3_stalker_init_irq,
 670         .init_machine           = omap3_stalker_init,
 671         .timer                  = &omap_timer,
 672 MACHINE_END