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
  44 #include <plat/mcspi.h>
  45 #include <linux/input/matrix_keypad.h>
  46 #include <linux/spi/spi.h>
  47 #include <linux/spi/ads7846.h>
  48 #include <linux/interrupt.h>
  49 #include <linux/smsc911x.h>
  50 #include <linux/i2c/at24.h>
  51
  52 #include "sdram-micron-mt46h32m32lf-6.h"
  53 #include "mux.h"
  54 #include "hsmmc.h"
  55 #include "timer-gp.h"
  56
  57 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  58 #define OMAP3STALKER_ETHR_START 0x2c000000
  59 #define OMAP3STALKER_ETHR_SIZE  1024
  60 #define OMAP3STALKER_ETHR_GPIO_IRQ      19
  61 #define OMAP3STALKER_SMC911X_CS 5
  62
  63 static struct resource omap3stalker_smsc911x_resources[] = {
  64         [0] = {
  65                .start   = OMAP3STALKER_ETHR_START,
  66                .end     =
  67                (OMAP3STALKER_ETHR_START + OMAP3STALKER_ETHR_SIZE - 1),
  68                .flags   = IORESOURCE_MEM,
  69         },
  70         [1] = {
  71                .start   = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
  72                .end     = OMAP_GPIO_IRQ(OMAP3STALKER_ETHR_GPIO_IRQ),
  73                .flags   = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
  74         },
  75 };
  76
  77 static struct smsc911x_platform_config smsc911x_config = {
  78         .phy_interface  = PHY_INTERFACE_MODE_MII,
  79         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  80         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  81         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
  82 };
  83
  84 static struct platform_device omap3stalker_smsc911x_device = {
  85         .name           = "smsc911x",
  86         .id             = -1,
  87         .num_resources  = ARRAY_SIZE(omap3stalker_smsc911x_resources),
  88         .resource       = &omap3stalker_smsc911x_resources[0],
  89         .dev            = {
  90                 .platform_data  = &smsc911x_config,
  91         },
  92 };
  93
  94 static inline void __init omap3stalker_init_eth(void)
  95 {
  96         int eth_cs;
  97         struct clk *l3ck;
  98         unsigned int rate;
  99
 100         eth_cs = OMAP3STALKER_SMC911X_CS;
 101
 102         l3ck = clk_get(NULL, "l3_ck");
 103         if (IS_ERR(l3ck))
 104                 rate = 100000000;
 105         else
 106                 rate = clk_get_rate(l3ck);
 107
 108         omap_mux_init_gpio(19, OMAP_PIN_INPUT_PULLUP);
 109         if (gpio_request(OMAP3STALKER_ETHR_GPIO_IRQ, "SMC911x irq") < 0) {
 110                 printk(KERN_ERR
 111                        "Failed to request GPIO%d for smc911x IRQ\n",
 112                        OMAP3STALKER_ETHR_GPIO_IRQ);
 113                 return;
 114         }
 115
 116         gpio_direction_input(OMAP3STALKER_ETHR_GPIO_IRQ);
 117
 118         platform_device_register(&omap3stalker_smsc911x_device);
 119 }
 120
 121 #else
 122 static inline void __init omap3stalker_init_eth(void)
 123 {
 124         return;
 125 }
 126 #endif
 127
 128 /*
 129  * OMAP3 DSS control signals
 130  */
 131
 132 #define DSS_ENABLE_GPIO 199
 133 #define LCD_PANEL_BKLIGHT_GPIO  210
 134 #define ENABLE_VPLL2_DEV_GRP    0xE0
 135
 136 static int lcd_enabled;
 137 static int dvi_enabled;
 138
 139 static void __init omap3_stalker_display_init(void)
 140 {
 141         return;
 142 }
 143
 144 static int omap3_stalker_enable_lcd(struct omap_dss_device *dssdev)
 145 {
 146         if (dvi_enabled) {
 147                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 148                 return -EINVAL;
 149         }
 150         gpio_set_value(DSS_ENABLE_GPIO, 1);
 151         gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 1);
 152         lcd_enabled = 1;
 153         return 0;
 154 }
 155
 156 static void omap3_stalker_disable_lcd(struct omap_dss_device *dssdev)
 157 {
 158         gpio_set_value(DSS_ENABLE_GPIO, 0);
 159         gpio_set_value(LCD_PANEL_BKLIGHT_GPIO, 0);
 160         lcd_enabled = 0;
 161 }
 162
 163 static struct omap_dss_device omap3_stalker_lcd_device = {
 164         .name                   = "lcd",
 165         .driver_name            = "generic_panel",
 166         .phy.dpi.data_lines     = 24,
 167         .type                   = OMAP_DISPLAY_TYPE_DPI,
 168         .platform_enable        = omap3_stalker_enable_lcd,
 169         .platform_disable       = omap3_stalker_disable_lcd,
 170 };
 171
 172 static int omap3_stalker_enable_tv(struct omap_dss_device *dssdev)
 173 {
 174         return 0;
 175 }
 176
 177 static void omap3_stalker_disable_tv(struct omap_dss_device *dssdev)
 178 {
 179 }
 180
 181 static struct omap_dss_device omap3_stalker_tv_device = {
 182         .name                   = "tv",
 183         .driver_name            = "venc",
 184         .type                   = OMAP_DISPLAY_TYPE_VENC,
 185 #if defined(CONFIG_OMAP2_VENC_OUT_TYPE_SVIDEO)
 186         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 187 #elif defined(CONFIG_OMAP2_VENC_OUT_TYPE_COMPOSITE)
 188         .u.venc.type            = OMAP_DSS_VENC_TYPE_COMPOSITE,
 189 #endif
 190         .platform_enable        = omap3_stalker_enable_tv,
 191         .platform_disable       = omap3_stalker_disable_tv,
 192 };
 193
 194 static int omap3_stalker_enable_dvi(struct omap_dss_device *dssdev)
 195 {
 196         if (lcd_enabled) {
 197                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 198                 return -EINVAL;
 199         }
 200         gpio_set_value(DSS_ENABLE_GPIO, 1);
 201         dvi_enabled = 1;
 202         return 0;
 203 }
 204
 205 static void omap3_stalker_disable_dvi(struct omap_dss_device *dssdev)
 206 {
 207         gpio_set_value(DSS_ENABLE_GPIO, 0);
 208         dvi_enabled = 0;
 209 }
 210
 211 static struct omap_dss_device omap3_stalker_dvi_device = {
 212         .name                   = "dvi",
 213         .driver_name            = "generic_panel",
 214         .type                   = OMAP_DISPLAY_TYPE_DPI,
 215         .phy.dpi.data_lines     = 24,
 216         .platform_enable        = omap3_stalker_enable_dvi,
 217         .platform_disable       = omap3_stalker_disable_dvi,
 218 };
 219
 220 static struct omap_dss_device *omap3_stalker_dss_devices[] = {
 221         &omap3_stalker_lcd_device,
 222         &omap3_stalker_tv_device,
 223         &omap3_stalker_dvi_device,
 224 };
 225
 226 static struct omap_dss_board_info omap3_stalker_dss_data = {
 227         .num_devices    = ARRAY_SIZE(omap3_stalker_dss_devices),
 228         .devices        = omap3_stalker_dss_devices,
 229         .default_device = &omap3_stalker_dvi_device,
 230 };
 231
 232 static struct platform_device omap3_stalker_dss_device = {
 233         .name   = "omapdss",
 234         .id     = -1,
 235         .dev    = {
 236                 .platform_data  = &omap3_stalker_dss_data,
 237         },
 238 };
 239
 240 static struct regulator_consumer_supply omap3stalker_vmmc1_supply = {
 241         .supply         = "vmmc",
 242 };
 243
 244 static struct regulator_consumer_supply omap3stalker_vsim_supply = {
 245         .supply         = "vmmc_aux",
 246 };
 247
 248 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 249 static struct regulator_init_data omap3stalker_vmmc1 = {
 250         .constraints            = {
 251                 .min_uV                 = 1850000,
 252                 .max_uV                 = 3150000,
 253                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 254                 | REGULATOR_MODE_STANDBY,
 255                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 256                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 257         },
 258         .num_consumer_supplies  = 1,
 259         .consumer_supplies      = &omap3stalker_vmmc1_supply,
 260 };
 261
 262 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 263 static struct regulator_init_data omap3stalker_vsim = {
 264         .constraints            = {
 265                 .min_uV                 = 1800000,
 266                 .max_uV                 = 3000000,
 267                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 268                 | REGULATOR_MODE_STANDBY,
 269                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 270                 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
 271         },
 272         .num_consumer_supplies  = 1,
 273         .consumer_supplies      = &omap3stalker_vsim_supply,
 274 };
 275
 276 static struct omap2_hsmmc_info mmc[] = {
 277         {
 278          .mmc           = 1,
 279          .caps          = MMC_CAP_4_BIT_DATA,
 280          .gpio_cd       = -EINVAL,
 281          .gpio_wp       = 23,
 282          },
 283         {}                      /* Terminator */
 284 };
 285
 286 static struct gpio_keys_button gpio_buttons[] = {
 287         {
 288          .code          = BTN_EXTRA,
 289          .gpio          = 18,
 290          .desc          = "user",
 291          .wakeup        = 1,
 292          },
 293 };
 294
 295 static struct gpio_keys_platform_data gpio_key_info = {
 296         .buttons        = gpio_buttons,
 297         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 298 };
 299
 300 static struct platform_device keys_gpio = {
 301         .name           = "gpio-keys",
 302         .id             = -1,
 303         .dev            = {
 304                 .platform_data  = &gpio_key_info,
 305         },
 306 };
 307
 308 static struct gpio_led gpio_leds[] = {
 309         {
 310          .name                  = "stalker:D8:usr0",
 311          .default_trigger       = "default-on",
 312          .gpio                  = 126,
 313          },
 314         {
 315          .name                  = "stalker:D9:usr1",
 316          .default_trigger       = "default-on",
 317          .gpio                  = 127,
 318          },
 319         {
 320          .name                  = "stalker:D3:mmc0",
 321          .gpio                  = -EINVAL,      /* gets replaced */
 322          .active_low            = true,
 323          .default_trigger       = "mmc0",
 324          },
 325         {
 326          .name                  = "stalker:D4:heartbeat",
 327          .gpio                  = -EINVAL,      /* gets replaced */
 328          .active_low            = true,
 329          .default_trigger       = "heartbeat",
 330          },
 331 };
 332
 333 static struct gpio_led_platform_data gpio_led_info = {
 334         .leds           = gpio_leds,
 335         .num_leds       = ARRAY_SIZE(gpio_leds),
 336 };
 337
 338 static struct platform_device leds_gpio = {
 339         .name   = "leds-gpio",
 340         .id     = -1,
 341         .dev    = {
 342                 .platform_data  = &gpio_led_info,
 343         },
 344 };
 345
 346 static int
 347 omap3stalker_twl_gpio_setup(struct device *dev,
 348                             unsigned gpio, unsigned ngpio)
 349 {
 350         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 351         omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 352         mmc[0].gpio_cd = gpio + 0;
 353         omap2_hsmmc_init(mmc);
 354
 355         /* link regulators to MMC adapters */
 356         omap3stalker_vmmc1_supply.dev = mmc[0].dev;
 357         omap3stalker_vsim_supply.dev = mmc[0].dev;
 358
 359         /*
 360          * Most GPIOs are for USB OTG.  Some are mostly sent to
 361          * the P2 connector; notably LEDA for the LCD backlight.
 362          */
 363
 364         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 365         gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
 366         gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 367
 368         /* gpio + 7 == DVI Enable */
 369         gpio_request(gpio + 7, "EN_DVI");
 370         gpio_direction_output(gpio + 7, 0);
 371
 372         /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
 373         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 374         /* GPIO + 13 == ledsync (out, heartbeat) */
 375         gpio_leds[3].gpio = gpio + 13;
 376
 377         platform_device_register(&leds_gpio);
 378         return 0;
 379 }
 380
 381 static struct twl4030_gpio_platform_data omap3stalker_gpio_data = {
 382         .gpio_base      = OMAP_MAX_GPIO_LINES,
 383         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 384         .irq_end        = TWL4030_GPIO_IRQ_END,
 385         .use_leds       = true,
 386         .setup          = omap3stalker_twl_gpio_setup,
 387 };
 388
 389 static struct twl4030_usb_data omap3stalker_usb_data = {
 390         .usb_mode       = T2_USB_MODE_ULPI,
 391 };
 392
 393 static uint32_t board_keymap[] = {
 394         KEY(0, 0, KEY_LEFT),
 395         KEY(0, 1, KEY_DOWN),
 396         KEY(0, 2, KEY_ENTER),
 397         KEY(0, 3, KEY_M),
 398
 399         KEY(1, 0, KEY_RIGHT),
 400         KEY(1, 1, KEY_UP),
 401         KEY(1, 2, KEY_I),
 402         KEY(1, 3, KEY_N),
 403
 404         KEY(2, 0, KEY_A),
 405         KEY(2, 1, KEY_E),
 406         KEY(2, 2, KEY_J),
 407         KEY(2, 3, KEY_O),
 408
 409         KEY(3, 0, KEY_B),
 410         KEY(3, 1, KEY_F),
 411         KEY(3, 2, KEY_K),
 412         KEY(3, 3, KEY_P)
 413 };
 414
 415 static struct matrix_keymap_data board_map_data = {
 416         .keymap         = board_keymap,
 417         .keymap_size    = ARRAY_SIZE(board_keymap),
 418 };
 419
 420 static struct twl4030_keypad_data omap3stalker_kp_data = {
 421         .keymap_data    = &board_map_data,
 422         .rows           = 4,
 423         .cols           = 4,
 424         .rep            = 1,
 425 };
 426
 427 static struct twl4030_madc_platform_data omap3stalker_madc_data = {
 428         .irq_line       = 1,
 429 };
 430
 431 static struct twl4030_codec_audio_data omap3stalker_audio_data = {
 432         .audio_mclk     = 26000000,
 433 };
 434
 435 static struct twl4030_codec_data omap3stalker_codec_data = {
 436         .audio_mclk     = 26000000,
 437         .audio          = &omap3stalker_audio_data,
 438 };
 439
 440 static struct regulator_consumer_supply omap3_stalker_vdda_dac_supply = {
 441         .supply         = "vdda_dac",
 442         .dev            = &omap3_stalker_dss_device.dev,
 443 };
 444
 445 /* VDAC for DSS driving S-Video */
 446 static struct regulator_init_data omap3_stalker_vdac = {
 447         .constraints            = {
 448                 .min_uV                 = 1800000,
 449                 .max_uV                 = 1800000,
 450                 .apply_uV               = true,
 451                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 452                 | REGULATOR_MODE_STANDBY,
 453                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 454                 | REGULATOR_CHANGE_STATUS,
 455         },
 456         .num_consumer_supplies  = 1,
 457         .consumer_supplies      = &omap3_stalker_vdda_dac_supply,
 458 };
 459
 460 /* VPLL2 for digital video outputs */
 461 static struct regulator_consumer_supply omap3_stalker_vpll2_supply = {
 462         .supply         = "vdds_dsi",
 463         .dev            = &omap3_stalker_lcd_device.dev,
 464 };
 465
 466 static struct regulator_init_data omap3_stalker_vpll2 = {
 467         .constraints            = {
 468                 .name                   = "VDVI",
 469                 .min_uV                 = 1800000,
 470                 .max_uV                 = 1800000,
 471                 .apply_uV = true,
 472                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 473                 | REGULATOR_MODE_STANDBY,
 474                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 475                 | REGULATOR_CHANGE_STATUS,
 476         },
 477         .num_consumer_supplies  = 1,
 478         .consumer_supplies      = &omap3_stalker_vpll2_supply,
 479 };
 480
 481 static struct twl4030_platform_data omap3stalker_twldata = {
 482         .irq_base       = TWL4030_IRQ_BASE,
 483         .irq_end        = TWL4030_IRQ_END,
 484
 485         /* platform_data for children goes here */
 486         .keypad         = &omap3stalker_kp_data,
 487         .madc           = &omap3stalker_madc_data,
 488         .usb            = &omap3stalker_usb_data,
 489         .gpio           = &omap3stalker_gpio_data,
 490         .codec          = &omap3stalker_codec_data,
 491         .vdac           = &omap3_stalker_vdac,
 492         .vpll2          = &omap3_stalker_vpll2,
 493 };
 494
 495 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo[] = {
 496         {
 497          I2C_BOARD_INFO("twl4030", 0x48),
 498          .flags         = I2C_CLIENT_WAKE,
 499          .irq           = INT_34XX_SYS_NIRQ,
 500          .platform_data = &omap3stalker_twldata,
 501          },
 502 };
 503
 504 static struct at24_platform_data fram_info = {
 505         .byte_len       = (64 * 1024) / 8,
 506         .page_size      = 8192,
 507         .flags          = AT24_FLAG_ADDR16 | AT24_FLAG_IRUGO,
 508 };
 509
 510 static struct i2c_board_info __initdata omap3stalker_i2c_boardinfo3[] = {
 511         {
 512          I2C_BOARD_INFO("24c64", 0x50),
 513          .flags         = I2C_CLIENT_WAKE,
 514          .platform_data = &fram_info,
 515          },
 516 };
 517
 518 static int __init omap3_stalker_i2c_init(void)
 519 {
 520         /*
 521          * REVISIT: These entries can be set in omap3evm_twl_data
 522          * after a merge with MFD tree
 523          */
 524         omap3stalker_twldata.vmmc1 = &omap3stalker_vmmc1;
 525         omap3stalker_twldata.vsim = &omap3stalker_vsim;
 526
 527         omap_register_i2c_bus(1, 2600, omap3stalker_i2c_boardinfo,
 528                               ARRAY_SIZE(omap3stalker_i2c_boardinfo));
 529         omap_register_i2c_bus(2, 400, NULL, 0);
 530         omap_register_i2c_bus(3, 400, omap3stalker_i2c_boardinfo3,
 531                               ARRAY_SIZE(omap3stalker_i2c_boardinfo3));
 532         return 0;
 533 }
 534
 535 #define OMAP3_STALKER_TS_GPIO   175
 536 static void ads7846_dev_init(void)
 537 {
 538         if (gpio_request(OMAP3_STALKER_TS_GPIO, "ADS7846 pendown") < 0)
 539                 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
 540
 541         gpio_direction_input(OMAP3_STALKER_TS_GPIO);
 542         gpio_set_debounce(OMAP3_STALKER_TS_GPIO, 310);
 543 }
 544
 545 static int ads7846_get_pendown_state(void)
 546 {
 547         return !gpio_get_value(OMAP3_STALKER_TS_GPIO);
 548 }
 549
 550 static struct ads7846_platform_data ads7846_config = {
 551         .x_max                  = 0x0fff,
 552         .y_max                  = 0x0fff,
 553         .x_plate_ohms           = 180,
 554         .pressure_max           = 255,
 555         .debounce_max           = 10,
 556         .debounce_tol           = 3,
 557         .debounce_rep           = 1,
 558         .get_pendown_state      = ads7846_get_pendown_state,
 559         .keep_vref_on           = 1,
 560         .settle_delay_usecs     = 150,
 561 };
 562
 563 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 564         .turbo_mode             = 0,
 565         .single_channel         = 1,    /* 0: slave, 1: master */
 566 };
 567
 568 static struct spi_board_info omap3stalker_spi_board_info[] = {
 569         [0] = {
 570                .modalias        = "ads7846",
 571                .bus_num         = 1,
 572                .chip_select     = 0,
 573                .max_speed_hz    = 1500000,
 574                .controller_data = &ads7846_mcspi_config,
 575                .irq             = OMAP_GPIO_IRQ(OMAP3_STALKER_TS_GPIO),
 576                .platform_data   = &ads7846_config,
 577         },
 578 };
 579
 580 static struct omap_board_config_kernel omap3_stalker_config[] __initdata = {
 581 };
 582
 583 static void __init omap3_stalker_init_irq(void)
 584 {
 585         omap_board_config = omap3_stalker_config;
 586         omap_board_config_size = ARRAY_SIZE(omap3_stalker_config);
 587         omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
 588         omap_init_irq();
 589 #ifdef CONFIG_OMAP_32K_TIMER
 590         omap2_gp_clockevent_set_gptimer(12);
 591 #endif
 592         omap_gpio_init();
 593 }
 594
 595 static struct platform_device *omap3_stalker_devices[] __initdata = {
 596         &omap3_stalker_dss_device,
 597         &keys_gpio,
 598 };
 599
 600 static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 601         .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 602         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 603         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 604
 605         .phy_reset = true,
 606         .reset_gpio_port[0] = -EINVAL,
 607         .reset_gpio_port[1] = 21,
 608         .reset_gpio_port[2] = -EINVAL,
 609 };
 610
 611 #ifdef CONFIG_OMAP_MUX
 612 static struct omap_board_mux board_mux[] __initdata = {
 613         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 614                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 615         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 616                   OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
 617         {.reg_offset = OMAP_MUX_TERMINATOR},
 618 };
 619 #else
 620 #define board_mux       NULL
 621 #endif
 622
 623 static struct omap_musb_board_data musb_board_data = {
 624         .interface_type = MUSB_INTERFACE_ULPI,
 625         .mode           = MUSB_OTG,
 626         .power          = 100,
 627 };
 628
 629 static void __init omap3_stalker_init(void)
 630 {
 631         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 632
 633         omap3_stalker_i2c_init();
 634
 635         platform_add_devices(omap3_stalker_devices,
 636                              ARRAY_SIZE(omap3_stalker_devices));
 637
 638         spi_register_board_info(omap3stalker_spi_board_info,
 639                                 ARRAY_SIZE(omap3stalker_spi_board_info));
 640
 641         omap_serial_init();
 642         usb_musb_init(&musb_board_data);
 643         usb_ehci_init(&ehci_pdata);
 644         ads7846_dev_init();
 645
 646         omap_mux_init_gpio(21, OMAP_PIN_OUTPUT);
 647         omap_mux_init_gpio(18, OMAP_PIN_INPUT_PULLUP);
 648
 649         omap3stalker_init_eth();
 650         omap3_stalker_display_init();
 651 /* Ensure SDRC pins are mux'd for self-refresh */
 652         omap_mux_init_signal("sdr_cke0", OMAP_PIN_OUTPUT);
 653         omap_mux_init_signal("sdr_cke1", OMAP_PIN_OUTPUT);
 654 }
 655
 656 MACHINE_START(SBC3530, "OMAP3 STALKER")
 657         /* Maintainer: Jason Lam -lzg@ema-tech.com */
 658         .boot_params            = 0x80000100,
 659         .map_io                 = omap3_map_io,
 660         .init_irq               = omap3_stalker_init_irq,
 661         .init_machine           = omap3_stalker_init,
 662         .timer                  = &omap_timer,
 663 MACHINE_END