arch/arm/mach-omap2/board-omap3evm.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-omap3evm.c
   3  *
   4  * Copyright (C) 2008 Texas Instruments
   5  *
   6  * Modified from mach-omap2/board-3430sdp.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/gpio.h>
  22 #include <linux/input.h>
  23 #include <linux/input/matrix_keypad.h>
  24 #include <linux/leds.h>
  25 #include <linux/interrupt.h>
  26
  27 #include <linux/spi/spi.h>
  28 #include <linux/spi/ads7846.h>
  29 #include <linux/i2c/twl.h>
  30 #include <linux/usb/otg.h>
  31 #include <linux/smsc911x.h>
  32
  33 #include <linux/regulator/machine.h>
  34 #include <linux/mmc/host.h>
  35
  36 #include <mach/hardware.h>
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40
  41 #include <plat/board.h>
  42 #include <plat/usb.h>
  43 #include <plat/common.h>
  44 #include <plat/mcspi.h>
  45 #include <plat/display.h>
  46 #include <plat/panel-generic-dpi.h>
  47
  48 #include "mux.h"
  49 #include "sdram-micron-mt46h32m32lf-6.h"
  50 #include "hsmmc.h"
  51
  52 #define OMAP3_EVM_TS_GPIO       175
  53 #define OMAP3_EVM_EHCI_VBUS     22
  54 #define OMAP3_EVM_EHCI_SELECT   61
  55
  56 #define OMAP3EVM_ETHR_START     0x2c000000
  57 #define OMAP3EVM_ETHR_SIZE      1024
  58 #define OMAP3EVM_ETHR_ID_REV    0x50
  59 #define OMAP3EVM_ETHR_GPIO_IRQ  176
  60 #define OMAP3EVM_SMSC911X_CS    5
  61
  62 static u8 omap3_evm_version;
  63
  64 u8 get_omap3_evm_rev(void)
  65 {
  66         return omap3_evm_version;
  67 }
  68 EXPORT_SYMBOL(get_omap3_evm_rev);
  69
  70 static void __init omap3_evm_get_revision(void)
  71 {
  72         void __iomem *ioaddr;
  73         unsigned int smsc_id;
  74
  75         /* Ethernet PHY ID is stored at ID_REV register */
  76         ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K);
  77         if (!ioaddr)
  78                 return;
  79         smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000;
  80         iounmap(ioaddr);
  81
  82         switch (smsc_id) {
  83         /*SMSC9115 chipset*/
  84         case 0x01150000:
  85                 omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
  86                 break;
  87         /*SMSC 9220 chipset*/
  88         case 0x92200000:
  89         default:
  90                 omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
  91         }
  92 }
  93
  94 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  95 static struct resource omap3evm_smsc911x_resources[] = {
  96         [0] =   {
  97                 .start  = OMAP3EVM_ETHR_START,
  98                 .end    = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
  99                 .flags  = IORESOURCE_MEM,
 100         },
 101         [1] =   {
 102                 .start  = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
 103                 .end    = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
 104                 .flags  = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
 105         },
 106 };
 107
 108 static struct smsc911x_platform_config smsc911x_config = {
 109         .phy_interface  = PHY_INTERFACE_MODE_MII,
 110         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 111         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 112         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
 113 };
 114
 115 static struct platform_device omap3evm_smsc911x_device = {
 116         .name           = "smsc911x",
 117         .id             = -1,
 118         .num_resources  = ARRAY_SIZE(omap3evm_smsc911x_resources),
 119         .resource       = &omap3evm_smsc911x_resources[0],
 120         .dev            = {
 121                 .platform_data = &smsc911x_config,
 122         },
 123 };
 124
 125 static inline void __init omap3evm_init_smsc911x(void)
 126 {
 127         int eth_cs;
 128         struct clk *l3ck;
 129         unsigned int rate;
 130
 131         eth_cs = OMAP3EVM_SMSC911X_CS;
 132
 133         l3ck = clk_get(NULL, "l3_ck");
 134         if (IS_ERR(l3ck))
 135                 rate = 100000000;
 136         else
 137                 rate = clk_get_rate(l3ck);
 138
 139         if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMSC911x irq") < 0) {
 140                 printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
 141                         OMAP3EVM_ETHR_GPIO_IRQ);
 142                 return;
 143         }
 144
 145         gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
 146         platform_device_register(&omap3evm_smsc911x_device);
 147 }
 148
 149 #else
 150 static inline void __init omap3evm_init_smsc911x(void) { return; }
 151 #endif
 152
 153 /*
 154  * OMAP3EVM LCD Panel control signals
 155  */
 156 #define OMAP3EVM_LCD_PANEL_LR           2
 157 #define OMAP3EVM_LCD_PANEL_UD           3
 158 #define OMAP3EVM_LCD_PANEL_INI          152
 159 #define OMAP3EVM_LCD_PANEL_ENVDD        153
 160 #define OMAP3EVM_LCD_PANEL_QVGA         154
 161 #define OMAP3EVM_LCD_PANEL_RESB         155
 162 #define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210
 163 #define OMAP3EVM_DVI_PANEL_EN_GPIO      199
 164
 165 static int lcd_enabled;
 166 static int dvi_enabled;
 167
 168 static void __init omap3_evm_display_init(void)
 169 {
 170         int r;
 171
 172         r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
 173         if (r) {
 174                 printk(KERN_ERR "failed to get lcd_panel_resb\n");
 175                 return;
 176         }
 177         gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);
 178
 179         r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
 180         if (r) {
 181                 printk(KERN_ERR "failed to get lcd_panel_ini\n");
 182                 goto err_1;
 183         }
 184         gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);
 185
 186         r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
 187         if (r) {
 188                 printk(KERN_ERR "failed to get lcd_panel_qvga\n");
 189                 goto err_2;
 190         }
 191         gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);
 192
 193         r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
 194         if (r) {
 195                 printk(KERN_ERR "failed to get lcd_panel_lr\n");
 196                 goto err_3;
 197         }
 198         gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);
 199
 200         r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
 201         if (r) {
 202                 printk(KERN_ERR "failed to get lcd_panel_ud\n");
 203                 goto err_4;
 204         }
 205         gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);
 206
 207         r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
 208         if (r) {
 209                 printk(KERN_ERR "failed to get lcd_panel_envdd\n");
 210                 goto err_5;
 211         }
 212         gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);
 213
 214         return;
 215
 216 err_5:
 217         gpio_free(OMAP3EVM_LCD_PANEL_UD);
 218 err_4:
 219         gpio_free(OMAP3EVM_LCD_PANEL_LR);
 220 err_3:
 221         gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
 222 err_2:
 223         gpio_free(OMAP3EVM_LCD_PANEL_INI);
 224 err_1:
 225         gpio_free(OMAP3EVM_LCD_PANEL_RESB);
 226
 227 }
 228
 229 static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
 230 {
 231         if (dvi_enabled) {
 232                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 233                 return -EINVAL;
 234         }
 235         gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0);
 236
 237         if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
 238                 gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
 239         else
 240                 gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
 241
 242         lcd_enabled = 1;
 243         return 0;
 244 }
 245
 246 static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
 247 {
 248         gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);
 249
 250         if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
 251                 gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
 252         else
 253                 gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
 254
 255         lcd_enabled = 0;
 256 }
 257
 258 static struct omap_dss_device omap3_evm_lcd_device = {
 259         .name                   = "lcd",
 260         .driver_name            = "sharp_ls_panel",
 261         .type                   = OMAP_DISPLAY_TYPE_DPI,
 262         .phy.dpi.data_lines     = 18,
 263         .platform_enable        = omap3_evm_enable_lcd,
 264         .platform_disable       = omap3_evm_disable_lcd,
 265 };
 266
 267 static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
 268 {
 269         return 0;
 270 }
 271
 272 static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
 273 {
 274 }
 275
 276 static struct omap_dss_device omap3_evm_tv_device = {
 277         .name                   = "tv",
 278         .driver_name            = "venc",
 279         .type                   = OMAP_DISPLAY_TYPE_VENC,
 280         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 281         .platform_enable        = omap3_evm_enable_tv,
 282         .platform_disable       = omap3_evm_disable_tv,
 283 };
 284
 285 static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev)
 286 {
 287         if (lcd_enabled) {
 288                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 289                 return -EINVAL;
 290         }
 291
 292         gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);
 293
 294         dvi_enabled = 1;
 295         return 0;
 296 }
 297
 298 static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
 299 {
 300         gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);
 301
 302         dvi_enabled = 0;
 303 }
 304
 305 static struct panel_generic_dpi_data dvi_panel = {
 306         .name                   = "generic",
 307         .platform_enable        = omap3_evm_enable_dvi,
 308         .platform_disable       = omap3_evm_disable_dvi,
 309 };
 310
 311 static struct omap_dss_device omap3_evm_dvi_device = {
 312         .name                   = "dvi",
 313         .type                   = OMAP_DISPLAY_TYPE_DPI,
 314         .driver_name            = "generic_dpi_panel",
 315         .data                   = &dvi_panel,
 316         .phy.dpi.data_lines     = 24,
 317 };
 318
 319 static struct omap_dss_device *omap3_evm_dss_devices[] = {
 320         &omap3_evm_lcd_device,
 321         &omap3_evm_tv_device,
 322         &omap3_evm_dvi_device,
 323 };
 324
 325 static struct omap_dss_board_info omap3_evm_dss_data = {
 326         .num_devices    = ARRAY_SIZE(omap3_evm_dss_devices),
 327         .devices        = omap3_evm_dss_devices,
 328         .default_device = &omap3_evm_lcd_device,
 329 };
 330
 331 static struct regulator_consumer_supply omap3evm_vmmc1_supply = {
 332         .supply                 = "vmmc",
 333 };
 334
 335 static struct regulator_consumer_supply omap3evm_vsim_supply = {
 336         .supply                 = "vmmc_aux",
 337 };
 338
 339 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 340 static struct regulator_init_data omap3evm_vmmc1 = {
 341         .constraints = {
 342                 .min_uV                 = 1850000,
 343                 .max_uV                 = 3150000,
 344                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 345                                         | REGULATOR_MODE_STANDBY,
 346                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 347                                         | REGULATOR_CHANGE_MODE
 348                                         | REGULATOR_CHANGE_STATUS,
 349         },
 350         .num_consumer_supplies  = 1,
 351         .consumer_supplies      = &omap3evm_vmmc1_supply,
 352 };
 353
 354 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 355 static struct regulator_init_data omap3evm_vsim = {
 356         .constraints = {
 357                 .min_uV                 = 1800000,
 358                 .max_uV                 = 3000000,
 359                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 360                                         | REGULATOR_MODE_STANDBY,
 361                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 362                                         | REGULATOR_CHANGE_MODE
 363                                         | REGULATOR_CHANGE_STATUS,
 364         },
 365         .num_consumer_supplies  = 1,
 366         .consumer_supplies      = &omap3evm_vsim_supply,
 367 };
 368
 369 static struct omap2_hsmmc_info mmc[] = {
 370         {
 371                 .mmc            = 1,
 372                 .caps           = MMC_CAP_4_BIT_DATA,
 373                 .gpio_cd        = -EINVAL,
 374                 .gpio_wp        = 63,
 375         },
 376         {}      /* Terminator */
 377 };
 378
 379 static struct gpio_led gpio_leds[] = {
 380         {
 381                 .name                   = "omap3evm::ledb",
 382                 /* normally not visible (board underside) */
 383                 .default_trigger        = "default-on",
 384                 .gpio                   = -EINVAL,      /* gets replaced */
 385                 .active_low             = true,
 386         },
 387 };
 388
 389 static struct gpio_led_platform_data gpio_led_info = {
 390         .leds           = gpio_leds,
 391         .num_leds       = ARRAY_SIZE(gpio_leds),
 392 };
 393
 394 static struct platform_device leds_gpio = {
 395         .name   = "leds-gpio",
 396         .id     = -1,
 397         .dev    = {
 398                 .platform_data  = &gpio_led_info,
 399         },
 400 };
 401
 402
 403 static int omap3evm_twl_gpio_setup(struct device *dev,
 404                 unsigned gpio, unsigned ngpio)
 405 {
 406         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 407         omap_mux_init_gpio(63, OMAP_PIN_INPUT);
 408         mmc[0].gpio_cd = gpio + 0;
 409         omap2_hsmmc_init(mmc);
 410
 411         /* link regulators to MMC adapters */
 412         omap3evm_vmmc1_supply.dev = mmc[0].dev;
 413         omap3evm_vsim_supply.dev = mmc[0].dev;
 414
 415         /*
 416          * Most GPIOs are for USB OTG.  Some are mostly sent to
 417          * the P2 connector; notably LEDA for the LCD backlight.
 418          */
 419
 420         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 421         gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
 422         gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 423
 424         /* gpio + 7 == DVI Enable */
 425         gpio_request(gpio + 7, "EN_DVI");
 426         gpio_direction_output(gpio + 7, 0);
 427
 428         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 429         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 430
 431         platform_device_register(&leds_gpio);
 432
 433         return 0;
 434 }
 435
 436 static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
 437         .gpio_base      = OMAP_MAX_GPIO_LINES,
 438         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 439         .irq_end        = TWL4030_GPIO_IRQ_END,
 440         .use_leds       = true,
 441         .setup          = omap3evm_twl_gpio_setup,
 442 };
 443
 444 static struct twl4030_usb_data omap3evm_usb_data = {
 445         .usb_mode       = T2_USB_MODE_ULPI,
 446 };
 447
 448 static uint32_t board_keymap[] = {
 449         KEY(0, 0, KEY_LEFT),
 450         KEY(0, 1, KEY_DOWN),
 451         KEY(0, 2, KEY_ENTER),
 452         KEY(0, 3, KEY_M),
 453
 454         KEY(1, 0, KEY_RIGHT),
 455         KEY(1, 1, KEY_UP),
 456         KEY(1, 2, KEY_I),
 457         KEY(1, 3, KEY_N),
 458
 459         KEY(2, 0, KEY_A),
 460         KEY(2, 1, KEY_E),
 461         KEY(2, 2, KEY_J),
 462         KEY(2, 3, KEY_O),
 463
 464         KEY(3, 0, KEY_B),
 465         KEY(3, 1, KEY_F),
 466         KEY(3, 2, KEY_K),
 467         KEY(3, 3, KEY_P)
 468 };
 469
 470 static struct matrix_keymap_data board_map_data = {
 471         .keymap                 = board_keymap,
 472         .keymap_size            = ARRAY_SIZE(board_keymap),
 473 };
 474
 475 static struct twl4030_keypad_data omap3evm_kp_data = {
 476         .keymap_data    = &board_map_data,
 477         .rows           = 4,
 478         .cols           = 4,
 479         .rep            = 1,
 480 };
 481
 482 static struct twl4030_madc_platform_data omap3evm_madc_data = {
 483         .irq_line       = 1,
 484 };
 485
 486 static struct twl4030_codec_audio_data omap3evm_audio_data = {
 487         .audio_mclk = 26000000,
 488 };
 489
 490 static struct twl4030_codec_data omap3evm_codec_data = {
 491         .audio_mclk = 26000000,
 492         .audio = &omap3evm_audio_data,
 493 };
 494
 495 static struct regulator_consumer_supply omap3_evm_vdda_dac_supply =
 496         REGULATOR_SUPPLY("vdda_dac", "omapdss");
 497
 498 /* VDAC for DSS driving S-Video */
 499 static struct regulator_init_data omap3_evm_vdac = {
 500         .constraints = {
 501                 .min_uV                 = 1800000,
 502                 .max_uV                 = 1800000,
 503                 .apply_uV               = true,
 504                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 505                                         | REGULATOR_MODE_STANDBY,
 506                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 507                                         | REGULATOR_CHANGE_STATUS,
 508         },
 509         .num_consumer_supplies  = 1,
 510         .consumer_supplies      = &omap3_evm_vdda_dac_supply,
 511 };
 512
 513 /* VPLL2 for digital video outputs */
 514 static struct regulator_consumer_supply omap3_evm_vpll2_supply =
 515         REGULATOR_SUPPLY("vdds_dsi", "omapdss");
 516
 517 static struct regulator_init_data omap3_evm_vpll2 = {
 518         .constraints = {
 519                 .min_uV                 = 1800000,
 520                 .max_uV                 = 1800000,
 521                 .apply_uV               = true,
 522                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 523                                         | REGULATOR_MODE_STANDBY,
 524                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 525                                         | REGULATOR_CHANGE_STATUS,
 526         },
 527         .num_consumer_supplies  = 1,
 528         .consumer_supplies      = &omap3_evm_vpll2_supply,
 529 };
 530
 531 static struct twl4030_platform_data omap3evm_twldata = {
 532         .irq_base       = TWL4030_IRQ_BASE,
 533         .irq_end        = TWL4030_IRQ_END,
 534
 535         /* platform_data for children goes here */
 536         .keypad         = &omap3evm_kp_data,
 537         .madc           = &omap3evm_madc_data,
 538         .usb            = &omap3evm_usb_data,
 539         .gpio           = &omap3evm_gpio_data,
 540         .codec          = &omap3evm_codec_data,
 541         .vdac           = &omap3_evm_vdac,
 542         .vpll2          = &omap3_evm_vpll2,
 543 };
 544
 545 static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
 546         {
 547                 I2C_BOARD_INFO("twl4030", 0x48),
 548                 .flags = I2C_CLIENT_WAKE,
 549                 .irq = INT_34XX_SYS_NIRQ,
 550                 .platform_data = &omap3evm_twldata,
 551         },
 552 };
 553
 554 static int __init omap3_evm_i2c_init(void)
 555 {
 556         /*
 557          * REVISIT: These entries can be set in omap3evm_twl_data
 558          * after a merge with MFD tree
 559          */
 560         omap3evm_twldata.vmmc1 = &omap3evm_vmmc1;
 561         omap3evm_twldata.vsim = &omap3evm_vsim;
 562
 563         omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
 564                         ARRAY_SIZE(omap3evm_i2c_boardinfo));
 565         omap_register_i2c_bus(2, 400, NULL, 0);
 566         omap_register_i2c_bus(3, 400, NULL, 0);
 567         return 0;
 568 }
 569
 570 static void ads7846_dev_init(void)
 571 {
 572         if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
 573                 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
 574
 575         gpio_direction_input(OMAP3_EVM_TS_GPIO);
 576         gpio_set_debounce(OMAP3_EVM_TS_GPIO, 310);
 577 }
 578
 579 static int ads7846_get_pendown_state(void)
 580 {
 581         return !gpio_get_value(OMAP3_EVM_TS_GPIO);
 582 }
 583
 584 static struct ads7846_platform_data ads7846_config = {
 585         .x_max                  = 0x0fff,
 586         .y_max                  = 0x0fff,
 587         .x_plate_ohms           = 180,
 588         .pressure_max           = 255,
 589         .debounce_max           = 10,
 590         .debounce_tol           = 3,
 591         .debounce_rep           = 1,
 592         .get_pendown_state      = ads7846_get_pendown_state,
 593         .keep_vref_on           = 1,
 594         .settle_delay_usecs     = 150,
 595         .wakeup                         = true,
 596 };
 597
 598 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 599         .turbo_mode     = 0,
 600         .single_channel = 1,    /* 0: slave, 1: master */
 601 };
 602
 603 static struct spi_board_info omap3evm_spi_board_info[] = {
 604         [0] = {
 605                 .modalias               = "ads7846",
 606                 .bus_num                = 1,
 607                 .chip_select            = 0,
 608                 .max_speed_hz           = 1500000,
 609                 .controller_data        = &ads7846_mcspi_config,
 610                 .irq                    = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
 611                 .platform_data          = &ads7846_config,
 612         },
 613 };
 614
 615 static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
 616 };
 617
 618 static void __init omap3_evm_init_early(void)
 619 {
 620         omap_board_config = omap3_evm_config;
 621         omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
 622         omap2_init_common_infrastructure();
 623         omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
 624 }
 625
 626 static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
 627
 628         .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 629         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 630         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 631
 632         .phy_reset  = true,
 633         /* PHY reset GPIO will be runtime programmed based on EVM version */
 634         .reset_gpio_port[0]  = -EINVAL,
 635         .reset_gpio_port[1]  = -EINVAL,
 636         .reset_gpio_port[2]  = -EINVAL
 637 };
 638
 639 #ifdef CONFIG_OMAP_MUX
 640 static struct omap_board_mux board_mux[] __initdata = {
 641         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 642                                 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
 643                                 OMAP_PIN_OFF_WAKEUPENABLE),
 644         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 645                                 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW),
 646         { .reg_offset = OMAP_MUX_TERMINATOR },
 647 };
 648 #endif
 649
 650 static struct omap_musb_board_data musb_board_data = {
 651         .interface_type         = MUSB_INTERFACE_ULPI,
 652         .mode                   = MUSB_OTG,
 653         .power                  = 100,
 654 };
 655
 656 static void __init omap3_evm_init(void)
 657 {
 658         omap3_evm_get_revision();
 659         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 660
 661         omap3_evm_i2c_init();
 662
 663         omap_display_init(&omap3_evm_dss_data);
 664
 665         spi_register_board_info(omap3evm_spi_board_info,
 666                                 ARRAY_SIZE(omap3evm_spi_board_info));
 667
 668         omap_serial_init();
 669
 670         /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
 671         usb_nop_xceiv_register();
 672
 673         if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
 674                 /* enable EHCI VBUS using GPIO22 */
 675                 omap_mux_init_gpio(22, OMAP_PIN_INPUT_PULLUP);
 676                 gpio_request(OMAP3_EVM_EHCI_VBUS, "enable EHCI VBUS");
 677                 gpio_direction_output(OMAP3_EVM_EHCI_VBUS, 0);
 678                 gpio_set_value(OMAP3_EVM_EHCI_VBUS, 1);
 679
 680                 /* Select EHCI port on main board */
 681                 omap_mux_init_gpio(61, OMAP_PIN_INPUT_PULLUP);
 682                 gpio_request(OMAP3_EVM_EHCI_SELECT, "select EHCI port");
 683                 gpio_direction_output(OMAP3_EVM_EHCI_SELECT, 0);
 684                 gpio_set_value(OMAP3_EVM_EHCI_SELECT, 0);
 685
 686                 /* setup EHCI phy reset config */
 687                 omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
 688                 ehci_pdata.reset_gpio_port[1] = 21;
 689
 690                 /* EVM REV >= E can supply 500mA with EXTVBUS programming */
 691                 musb_board_data.power = 500;
 692                 musb_board_data.extvbus = 1;
 693         } else {
 694                 /* setup EHCI phy reset on MDC */
 695                 omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
 696                 ehci_pdata.reset_gpio_port[1] = 135;
 697         }
 698         usb_musb_init(&musb_board_data);
 699         usb_ehci_init(&ehci_pdata);
 700         ads7846_dev_init();
 701         omap3evm_init_smsc911x();
 702         omap3_evm_display_init();
 703 }
 704
 705 MACHINE_START(OMAP3EVM, "OMAP3 EVM")
 706         /* Maintainer: Syed Mohammed Khasim - Texas Instruments */
 707         .boot_params    = 0x80000100,
 708         .reserve        = omap_reserve,
 709         .map_io         = omap3_map_io,
 710         .init_early     = omap3_evm_init_early,
 711         .init_irq       = omap_init_irq,
 712         .init_machine   = omap3_evm_init,
 713         .timer          = &omap_timer,
 714 MACHINE_END