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
  47 #include "mux.h"
  48 #include "sdram-micron-mt46h32m32lf-6.h"
  49 #include "hsmmc.h"
  50
  51 #define OMAP3_EVM_TS_GPIO       175
  52 #define OMAP3_EVM_EHCI_VBUS     22
  53 #define OMAP3_EVM_EHCI_SELECT   61
  54
  55 #define OMAP3EVM_ETHR_START     0x2c000000
  56 #define OMAP3EVM_ETHR_SIZE      1024
  57 #define OMAP3EVM_ETHR_ID_REV    0x50
  58 #define OMAP3EVM_ETHR_GPIO_IRQ  176
  59 #define OMAP3EVM_SMSC911X_CS    5
  60
  61 static u8 omap3_evm_version;
  62
  63 u8 get_omap3_evm_rev(void)
  64 {
  65         return omap3_evm_version;
  66 }
  67 EXPORT_SYMBOL(get_omap3_evm_rev);
  68
  69 static void __init omap3_evm_get_revision(void)
  70 {
  71         void __iomem *ioaddr;
  72         unsigned int smsc_id;
  73
  74         /* Ethernet PHY ID is stored at ID_REV register */
  75         ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K);
  76         if (!ioaddr)
  77                 return;
  78         smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000;
  79         iounmap(ioaddr);
  80
  81         switch (smsc_id) {
  82         /*SMSC9115 chipset*/
  83         case 0x01150000:
  84                 omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
  85                 break;
  86         /*SMSC 9220 chipset*/
  87         case 0x92200000:
  88         default:
  89                 omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
  90         }
  91 }
  92
  93 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  94 static struct resource omap3evm_smsc911x_resources[] = {
  95         [0] =   {
  96                 .start  = OMAP3EVM_ETHR_START,
  97                 .end    = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
  98                 .flags  = IORESOURCE_MEM,
  99         },
 100         [1] =   {
 101                 .start  = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
 102                 .end    = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
 103                 .flags  = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
 104         },
 105 };
 106
 107 static struct smsc911x_platform_config smsc911x_config = {
 108         .phy_interface  = PHY_INTERFACE_MODE_MII,
 109         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 110         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 111         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
 112 };
 113
 114 static struct platform_device omap3evm_smsc911x_device = {
 115         .name           = "smsc911x",
 116         .id             = -1,
 117         .num_resources  = ARRAY_SIZE(omap3evm_smsc911x_resources),
 118         .resource       = &omap3evm_smsc911x_resources[0],
 119         .dev            = {
 120                 .platform_data = &smsc911x_config,
 121         },
 122 };
 123
 124 static inline void __init omap3evm_init_smsc911x(void)
 125 {
 126         int eth_cs;
 127         struct clk *l3ck;
 128         unsigned int rate;
 129
 130         eth_cs = OMAP3EVM_SMSC911X_CS;
 131
 132         l3ck = clk_get(NULL, "l3_ck");
 133         if (IS_ERR(l3ck))
 134                 rate = 100000000;
 135         else
 136                 rate = clk_get_rate(l3ck);
 137
 138         if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMSC911x irq") < 0) {
 139                 printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
 140                         OMAP3EVM_ETHR_GPIO_IRQ);
 141                 return;
 142         }
 143
 144         gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
 145         platform_device_register(&omap3evm_smsc911x_device);
 146 }
 147
 148 #else
 149 static inline void __init omap3evm_init_smsc911x(void) { return; }
 150 #endif
 151
 152 /*
 153  * OMAP3EVM LCD Panel control signals
 154  */
 155 #define OMAP3EVM_LCD_PANEL_LR           2
 156 #define OMAP3EVM_LCD_PANEL_UD           3
 157 #define OMAP3EVM_LCD_PANEL_INI          152
 158 #define OMAP3EVM_LCD_PANEL_ENVDD        153
 159 #define OMAP3EVM_LCD_PANEL_QVGA         154
 160 #define OMAP3EVM_LCD_PANEL_RESB         155
 161 #define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210
 162 #define OMAP3EVM_DVI_PANEL_EN_GPIO      199
 163
 164 static int lcd_enabled;
 165 static int dvi_enabled;
 166
 167 static void __init omap3_evm_display_init(void)
 168 {
 169         int r;
 170
 171         r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
 172         if (r) {
 173                 printk(KERN_ERR "failed to get lcd_panel_resb\n");
 174                 return;
 175         }
 176         gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);
 177
 178         r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
 179         if (r) {
 180                 printk(KERN_ERR "failed to get lcd_panel_ini\n");
 181                 goto err_1;
 182         }
 183         gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);
 184
 185         r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
 186         if (r) {
 187                 printk(KERN_ERR "failed to get lcd_panel_qvga\n");
 188                 goto err_2;
 189         }
 190         gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);
 191
 192         r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
 193         if (r) {
 194                 printk(KERN_ERR "failed to get lcd_panel_lr\n");
 195                 goto err_3;
 196         }
 197         gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);
 198
 199         r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
 200         if (r) {
 201                 printk(KERN_ERR "failed to get lcd_panel_ud\n");
 202                 goto err_4;
 203         }
 204         gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);
 205
 206         r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
 207         if (r) {
 208                 printk(KERN_ERR "failed to get lcd_panel_envdd\n");
 209                 goto err_5;
 210         }
 211         gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);
 212
 213         return;
 214
 215 err_5:
 216         gpio_free(OMAP3EVM_LCD_PANEL_UD);
 217 err_4:
 218         gpio_free(OMAP3EVM_LCD_PANEL_LR);
 219 err_3:
 220         gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
 221 err_2:
 222         gpio_free(OMAP3EVM_LCD_PANEL_INI);
 223 err_1:
 224         gpio_free(OMAP3EVM_LCD_PANEL_RESB);
 225
 226 }
 227
 228 static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
 229 {
 230         if (dvi_enabled) {
 231                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 232                 return -EINVAL;
 233         }
 234         gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0);
 235
 236         if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
 237                 gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
 238         else
 239                 gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
 240
 241         lcd_enabled = 1;
 242         return 0;
 243 }
 244
 245 static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
 246 {
 247         gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);
 248
 249         if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
 250                 gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
 251         else
 252                 gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
 253
 254         lcd_enabled = 0;
 255 }
 256
 257 static struct omap_dss_device omap3_evm_lcd_device = {
 258         .name                   = "lcd",
 259         .driver_name            = "sharp_ls_panel",
 260         .type                   = OMAP_DISPLAY_TYPE_DPI,
 261         .phy.dpi.data_lines     = 18,
 262         .platform_enable        = omap3_evm_enable_lcd,
 263         .platform_disable       = omap3_evm_disable_lcd,
 264 };
 265
 266 static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
 267 {
 268         return 0;
 269 }
 270
 271 static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
 272 {
 273 }
 274
 275 static struct omap_dss_device omap3_evm_tv_device = {
 276         .name                   = "tv",
 277         .driver_name            = "venc",
 278         .type                   = OMAP_DISPLAY_TYPE_VENC,
 279         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 280         .platform_enable        = omap3_evm_enable_tv,
 281         .platform_disable       = omap3_evm_disable_tv,
 282 };
 283
 284 static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev)
 285 {
 286         if (lcd_enabled) {
 287                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 288                 return -EINVAL;
 289         }
 290
 291         gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);
 292
 293         dvi_enabled = 1;
 294         return 0;
 295 }
 296
 297 static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
 298 {
 299         gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);
 300
 301         dvi_enabled = 0;
 302 }
 303
 304 static struct omap_dss_device omap3_evm_dvi_device = {
 305         .name                   = "dvi",
 306         .driver_name            = "generic_panel",
 307         .type                   = OMAP_DISPLAY_TYPE_DPI,
 308         .phy.dpi.data_lines     = 24,
 309         .platform_enable        = omap3_evm_enable_dvi,
 310         .platform_disable       = omap3_evm_disable_dvi,
 311 };
 312
 313 static struct omap_dss_device *omap3_evm_dss_devices[] = {
 314         &omap3_evm_lcd_device,
 315         &omap3_evm_tv_device,
 316         &omap3_evm_dvi_device,
 317 };
 318
 319 static struct omap_dss_board_info omap3_evm_dss_data = {
 320         .num_devices    = ARRAY_SIZE(omap3_evm_dss_devices),
 321         .devices        = omap3_evm_dss_devices,
 322         .default_device = &omap3_evm_lcd_device,
 323 };
 324
 325 static struct platform_device omap3_evm_dss_device = {
 326         .name           = "omapdss",
 327         .id             = -1,
 328         .dev            = {
 329                 .platform_data = &omap3_evm_dss_data,
 330         },
 331 };
 332
 333 static struct regulator_consumer_supply omap3evm_vmmc1_supply = {
 334         .supply                 = "vmmc",
 335 };
 336
 337 static struct regulator_consumer_supply omap3evm_vsim_supply = {
 338         .supply                 = "vmmc_aux",
 339 };
 340
 341 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 342 static struct regulator_init_data omap3evm_vmmc1 = {
 343         .constraints = {
 344                 .min_uV                 = 1850000,
 345                 .max_uV                 = 3150000,
 346                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 347                                         | REGULATOR_MODE_STANDBY,
 348                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 349                                         | REGULATOR_CHANGE_MODE
 350                                         | REGULATOR_CHANGE_STATUS,
 351         },
 352         .num_consumer_supplies  = 1,
 353         .consumer_supplies      = &omap3evm_vmmc1_supply,
 354 };
 355
 356 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 357 static struct regulator_init_data omap3evm_vsim = {
 358         .constraints = {
 359                 .min_uV                 = 1800000,
 360                 .max_uV                 = 3000000,
 361                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 362                                         | REGULATOR_MODE_STANDBY,
 363                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 364                                         | REGULATOR_CHANGE_MODE
 365                                         | REGULATOR_CHANGE_STATUS,
 366         },
 367         .num_consumer_supplies  = 1,
 368         .consumer_supplies      = &omap3evm_vsim_supply,
 369 };
 370
 371 static struct omap2_hsmmc_info mmc[] = {
 372         {
 373                 .mmc            = 1,
 374                 .caps           = MMC_CAP_4_BIT_DATA,
 375                 .gpio_cd        = -EINVAL,
 376                 .gpio_wp        = 63,
 377         },
 378         {}      /* Terminator */
 379 };
 380
 381 static struct gpio_led gpio_leds[] = {
 382         {
 383                 .name                   = "omap3evm::ledb",
 384                 /* normally not visible (board underside) */
 385                 .default_trigger        = "default-on",
 386                 .gpio                   = -EINVAL,      /* gets replaced */
 387                 .active_low             = true,
 388         },
 389 };
 390
 391 static struct gpio_led_platform_data gpio_led_info = {
 392         .leds           = gpio_leds,
 393         .num_leds       = ARRAY_SIZE(gpio_leds),
 394 };
 395
 396 static struct platform_device leds_gpio = {
 397         .name   = "leds-gpio",
 398         .id     = -1,
 399         .dev    = {
 400                 .platform_data  = &gpio_led_info,
 401         },
 402 };
 403
 404
 405 static int omap3evm_twl_gpio_setup(struct device *dev,
 406                 unsigned gpio, unsigned ngpio)
 407 {
 408         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 409         omap_mux_init_gpio(63, OMAP_PIN_INPUT);
 410         mmc[0].gpio_cd = gpio + 0;
 411         omap2_hsmmc_init(mmc);
 412
 413         /* link regulators to MMC adapters */
 414         omap3evm_vmmc1_supply.dev = mmc[0].dev;
 415         omap3evm_vsim_supply.dev = mmc[0].dev;
 416
 417         /*
 418          * Most GPIOs are for USB OTG.  Some are mostly sent to
 419          * the P2 connector; notably LEDA for the LCD backlight.
 420          */
 421
 422         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 423         gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
 424         gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 425
 426         /* gpio + 7 == DVI Enable */
 427         gpio_request(gpio + 7, "EN_DVI");
 428         gpio_direction_output(gpio + 7, 0);
 429
 430         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 431         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 432
 433         platform_device_register(&leds_gpio);
 434
 435         return 0;
 436 }
 437
 438 static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
 439         .gpio_base      = OMAP_MAX_GPIO_LINES,
 440         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 441         .irq_end        = TWL4030_GPIO_IRQ_END,
 442         .use_leds       = true,
 443         .setup          = omap3evm_twl_gpio_setup,
 444 };
 445
 446 static struct twl4030_usb_data omap3evm_usb_data = {
 447         .usb_mode       = T2_USB_MODE_ULPI,
 448 };
 449
 450 static uint32_t board_keymap[] = {
 451         KEY(0, 0, KEY_LEFT),
 452         KEY(0, 1, KEY_DOWN),
 453         KEY(0, 2, KEY_ENTER),
 454         KEY(0, 3, KEY_M),
 455
 456         KEY(1, 0, KEY_RIGHT),
 457         KEY(1, 1, KEY_UP),
 458         KEY(1, 2, KEY_I),
 459         KEY(1, 3, KEY_N),
 460
 461         KEY(2, 0, KEY_A),
 462         KEY(2, 1, KEY_E),
 463         KEY(2, 2, KEY_J),
 464         KEY(2, 3, KEY_O),
 465
 466         KEY(3, 0, KEY_B),
 467         KEY(3, 1, KEY_F),
 468         KEY(3, 2, KEY_K),
 469         KEY(3, 3, KEY_P)
 470 };
 471
 472 static struct matrix_keymap_data board_map_data = {
 473         .keymap                 = board_keymap,
 474         .keymap_size            = ARRAY_SIZE(board_keymap),
 475 };
 476
 477 static struct twl4030_keypad_data omap3evm_kp_data = {
 478         .keymap_data    = &board_map_data,
 479         .rows           = 4,
 480         .cols           = 4,
 481         .rep            = 1,
 482 };
 483
 484 static struct twl4030_madc_platform_data omap3evm_madc_data = {
 485         .irq_line       = 1,
 486 };
 487
 488 static struct twl4030_codec_audio_data omap3evm_audio_data = {
 489         .audio_mclk = 26000000,
 490 };
 491
 492 static struct twl4030_codec_data omap3evm_codec_data = {
 493         .audio_mclk = 26000000,
 494         .audio = &omap3evm_audio_data,
 495 };
 496
 497 static struct regulator_consumer_supply omap3_evm_vdda_dac_supply = {
 498         .supply         = "vdda_dac",
 499         .dev            = &omap3_evm_dss_device.dev,
 500 };
 501
 502 /* VDAC for DSS driving S-Video */
 503 static struct regulator_init_data omap3_evm_vdac = {
 504         .constraints = {
 505                 .min_uV                 = 1800000,
 506                 .max_uV                 = 1800000,
 507                 .apply_uV               = true,
 508                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 509                                         | REGULATOR_MODE_STANDBY,
 510                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 511                                         | REGULATOR_CHANGE_STATUS,
 512         },
 513         .num_consumer_supplies  = 1,
 514         .consumer_supplies      = &omap3_evm_vdda_dac_supply,
 515 };
 516
 517 /* VPLL2 for digital video outputs */
 518 static struct regulator_consumer_supply omap3_evm_vpll2_supply =
 519         REGULATOR_SUPPLY("vdds_dsi", "omapdss");
 520
 521 static struct regulator_init_data omap3_evm_vpll2 = {
 522         .constraints = {
 523                 .min_uV                 = 1800000,
 524                 .max_uV                 = 1800000,
 525                 .apply_uV               = true,
 526                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 527                                         | REGULATOR_MODE_STANDBY,
 528                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 529                                         | REGULATOR_CHANGE_STATUS,
 530         },
 531         .num_consumer_supplies  = 1,
 532         .consumer_supplies      = &omap3_evm_vpll2_supply,
 533 };
 534
 535 static struct twl4030_platform_data omap3evm_twldata = {
 536         .irq_base       = TWL4030_IRQ_BASE,
 537         .irq_end        = TWL4030_IRQ_END,
 538
 539         /* platform_data for children goes here */
 540         .keypad         = &omap3evm_kp_data,
 541         .madc           = &omap3evm_madc_data,
 542         .usb            = &omap3evm_usb_data,
 543         .gpio           = &omap3evm_gpio_data,
 544         .codec          = &omap3evm_codec_data,
 545         .vdac           = &omap3_evm_vdac,
 546         .vpll2          = &omap3_evm_vpll2,
 547 };
 548
 549 static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
 550         {
 551                 I2C_BOARD_INFO("twl4030", 0x48),
 552                 .flags = I2C_CLIENT_WAKE,
 553                 .irq = INT_34XX_SYS_NIRQ,
 554                 .platform_data = &omap3evm_twldata,
 555         },
 556 };
 557
 558 static int __init omap3_evm_i2c_init(void)
 559 {
 560         /*
 561          * REVISIT: These entries can be set in omap3evm_twl_data
 562          * after a merge with MFD tree
 563          */
 564         omap3evm_twldata.vmmc1 = &omap3evm_vmmc1;
 565         omap3evm_twldata.vsim = &omap3evm_vsim;
 566
 567         omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
 568                         ARRAY_SIZE(omap3evm_i2c_boardinfo));
 569         omap_register_i2c_bus(2, 400, NULL, 0);
 570         omap_register_i2c_bus(3, 400, NULL, 0);
 571         return 0;
 572 }
 573
 574 static void ads7846_dev_init(void)
 575 {
 576         if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
 577                 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
 578
 579         gpio_direction_input(OMAP3_EVM_TS_GPIO);
 580         gpio_set_debounce(OMAP3_EVM_TS_GPIO, 310);
 581 }
 582
 583 static int ads7846_get_pendown_state(void)
 584 {
 585         return !gpio_get_value(OMAP3_EVM_TS_GPIO);
 586 }
 587
 588 static struct ads7846_platform_data ads7846_config = {
 589         .x_max                  = 0x0fff,
 590         .y_max                  = 0x0fff,
 591         .x_plate_ohms           = 180,
 592         .pressure_max           = 255,
 593         .debounce_max           = 10,
 594         .debounce_tol           = 3,
 595         .debounce_rep           = 1,
 596         .get_pendown_state      = ads7846_get_pendown_state,
 597         .keep_vref_on           = 1,
 598         .settle_delay_usecs     = 150,
 599         .wakeup                         = true,
 600 };
 601
 602 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 603         .turbo_mode     = 0,
 604         .single_channel = 1,    /* 0: slave, 1: master */
 605 };
 606
 607 static struct spi_board_info omap3evm_spi_board_info[] = {
 608         [0] = {
 609                 .modalias               = "ads7846",
 610                 .bus_num                = 1,
 611                 .chip_select            = 0,
 612                 .max_speed_hz           = 1500000,
 613                 .controller_data        = &ads7846_mcspi_config,
 614                 .irq                    = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
 615                 .platform_data          = &ads7846_config,
 616         },
 617 };
 618
 619 static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
 620 };
 621
 622 static void __init omap3_evm_init_irq(void)
 623 {
 624         omap_board_config = omap3_evm_config;
 625         omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
 626         omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL);
 627         omap_init_irq();
 628         omap_gpio_init();
 629 }
 630
 631 static struct platform_device *omap3_evm_devices[] __initdata = {
 632         &omap3_evm_dss_device,
 633 };
 634
 635 static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
 636
 637         .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 638         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 639         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 640
 641         .phy_reset  = true,
 642         /* PHY reset GPIO will be runtime programmed based on EVM version */
 643         .reset_gpio_port[0]  = -EINVAL,
 644         .reset_gpio_port[1]  = -EINVAL,
 645         .reset_gpio_port[2]  = -EINVAL
 646 };
 647
 648 #ifdef CONFIG_OMAP_MUX
 649 static struct omap_board_mux board_mux[] __initdata = {
 650         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 651                                 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
 652                                 OMAP_PIN_OFF_WAKEUPENABLE),
 653         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 654                                 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW),
 655         { .reg_offset = OMAP_MUX_TERMINATOR },
 656 };
 657 #endif
 658
 659 static struct omap_musb_board_data musb_board_data = {
 660         .interface_type         = MUSB_INTERFACE_ULPI,
 661         .mode                   = MUSB_OTG,
 662         .power                  = 100,
 663 };
 664
 665 static void __init omap3_evm_init(void)
 666 {
 667         omap3_evm_get_revision();
 668         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 669
 670         omap3_evm_i2c_init();
 671
 672         platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
 673
 674         spi_register_board_info(omap3evm_spi_board_info,
 675                                 ARRAY_SIZE(omap3evm_spi_board_info));
 676
 677         omap_serial_init();
 678
 679         /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
 680         usb_nop_xceiv_register();
 681
 682         if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
 683                 /* enable EHCI VBUS using GPIO22 */
 684                 omap_mux_init_gpio(22, OMAP_PIN_INPUT_PULLUP);
 685                 gpio_request(OMAP3_EVM_EHCI_VBUS, "enable EHCI VBUS");
 686                 gpio_direction_output(OMAP3_EVM_EHCI_VBUS, 0);
 687                 gpio_set_value(OMAP3_EVM_EHCI_VBUS, 1);
 688
 689                 /* Select EHCI port on main board */
 690                 omap_mux_init_gpio(61, OMAP_PIN_INPUT_PULLUP);
 691                 gpio_request(OMAP3_EVM_EHCI_SELECT, "select EHCI port");
 692                 gpio_direction_output(OMAP3_EVM_EHCI_SELECT, 0);
 693                 gpio_set_value(OMAP3_EVM_EHCI_SELECT, 0);
 694
 695                 /* setup EHCI phy reset config */
 696                 omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
 697                 ehci_pdata.reset_gpio_port[1] = 21;
 698
 699                 /* EVM REV >= E can supply 500mA with EXTVBUS programming */
 700                 musb_board_data.power = 500;
 701                 musb_board_data.extvbus = 1;
 702         } else {
 703                 /* setup EHCI phy reset on MDC */
 704                 omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
 705                 ehci_pdata.reset_gpio_port[1] = 135;
 706         }
 707         usb_musb_init(&musb_board_data);
 708         usb_ehci_init(&ehci_pdata);
 709         ads7846_dev_init();
 710         omap3evm_init_smsc911x();
 711         omap3_evm_display_init();
 712 }
 713
 714 MACHINE_START(OMAP3EVM, "OMAP3 EVM")
 715         /* Maintainer: Syed Mohammed Khasim - Texas Instruments */
 716         .boot_params    = 0x80000100,
 717         .map_io         = omap3_map_io,
 718         .reserve        = omap_reserve,
 719         .init_irq       = omap3_evm_init_irq,
 720         .init_machine   = omap3_evm_init,
 721         .timer          = &omap_timer,
 722 MACHINE_END