arch/arm/mach-omap2/board-cm-t35.c

   1 /*
   2  * board-cm-t35.c (CompuLab CM-T35 module)
   3  *
   4  * Copyright (C) 2009 CompuLab, Ltd.
   5  * Author: Mike Rapoport <mike@compulab.co.il>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * version 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  19  * 02110-1301 USA
  20  *
  21  */
  22
  23 #include <linux/kernel.h>
  24 #include <linux/init.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/input.h>
  27 #include <linux/input/matrix_keypad.h>
  28 #include <linux/delay.h>
  29 #include <linux/gpio.h>
  30
  31 #include <linux/i2c/at24.h>
  32 #include <linux/i2c/twl.h>
  33 #include <linux/regulator/machine.h>
  34 #include <linux/mmc/host.h>
  35
  36 #include <linux/spi/spi.h>
  37 #include <linux/spi/tdo24m.h>
  38
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42
  43 #include <plat/board.h>
  44 #include <plat/common.h>
  45 #include <plat/nand.h>
  46 #include <plat/gpmc.h>
  47 #include <plat/usb.h>
  48 #include <plat/display.h>
  49 #include <plat/mcspi.h>
  50
  51 #include <mach/hardware.h>
  52
  53 #include "mux.h"
  54 #include "sdram-micron-mt46h32m32lf-6.h"
  55 #include "hsmmc.h"
  56
  57 #define CM_T35_GPIO_PENDOWN     57
  58
  59 #define CM_T35_SMSC911X_CS      5
  60 #define CM_T35_SMSC911X_GPIO    163
  61 #define SB_T35_SMSC911X_CS      4
  62 #define SB_T35_SMSC911X_GPIO    65
  63
  64 #define NAND_BLOCK_SIZE         SZ_128K
  65
  66 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  67 #include <linux/smsc911x.h>
  68
  69 static struct smsc911x_platform_config cm_t35_smsc911x_config = {
  70         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  71         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  72         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
  73         .phy_interface  = PHY_INTERFACE_MODE_MII,
  74 };
  75
  76 static struct resource cm_t35_smsc911x_resources[] = {
  77         {
  78                 .flags  = IORESOURCE_MEM,
  79         },
  80         {
  81                 .start  = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
  82                 .end    = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
  83                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  84         },
  85 };
  86
  87 static struct platform_device cm_t35_smsc911x_device = {
  88         .name           = "smsc911x",
  89         .id             = 0,
  90         .num_resources  = ARRAY_SIZE(cm_t35_smsc911x_resources),
  91         .resource       = cm_t35_smsc911x_resources,
  92         .dev            = {
  93                 .platform_data = &cm_t35_smsc911x_config,
  94         },
  95 };
  96
  97 static struct resource sb_t35_smsc911x_resources[] = {
  98         {
  99                 .flags  = IORESOURCE_MEM,
 100         },
 101         {
 102                 .start  = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
 103                 .end    = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
 104                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 105         },
 106 };
 107
 108 static struct platform_device sb_t35_smsc911x_device = {
 109         .name           = "smsc911x",
 110         .id             = 1,
 111         .num_resources  = ARRAY_SIZE(sb_t35_smsc911x_resources),
 112         .resource       = sb_t35_smsc911x_resources,
 113         .dev            = {
 114                 .platform_data = &cm_t35_smsc911x_config,
 115         },
 116 };
 117
 118 static void __init cm_t35_init_smsc911x(struct platform_device *dev,
 119                                         int cs, int irq_gpio)
 120 {
 121         unsigned long cs_mem_base;
 122
 123         if (gpmc_cs_request(cs, SZ_16M, &cs_mem_base) < 0) {
 124                 pr_err("CM-T35: Failed request for GPMC mem for smsc911x\n");
 125                 return;
 126         }
 127
 128         dev->resource[0].start = cs_mem_base + 0x0;
 129         dev->resource[0].end   = cs_mem_base + 0xff;
 130
 131         if ((gpio_request(irq_gpio, "ETH IRQ") == 0) &&
 132             (gpio_direction_input(irq_gpio) == 0)) {
 133                 gpio_export(irq_gpio, 0);
 134         } else {
 135                 pr_err("CM-T35: could not obtain gpio for SMSC911X IRQ\n");
 136                 return;
 137         }
 138
 139         platform_device_register(dev);
 140 }
 141
 142 static void __init cm_t35_init_ethernet(void)
 143 {
 144         cm_t35_init_smsc911x(&cm_t35_smsc911x_device,
 145                              CM_T35_SMSC911X_CS, CM_T35_SMSC911X_GPIO);
 146         cm_t35_init_smsc911x(&sb_t35_smsc911x_device,
 147                              SB_T35_SMSC911X_CS, SB_T35_SMSC911X_GPIO);
 148 }
 149 #else
 150 static inline void __init cm_t35_init_ethernet(void) { return; }
 151 #endif
 152
 153 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 154 #include <linux/leds.h>
 155
 156 static struct gpio_led cm_t35_leds[] = {
 157         [0] = {
 158                 .gpio                   = 186,
 159                 .name                   = "cm-t35:green",
 160                 .default_trigger        = "heartbeat",
 161                 .active_low             = 0,
 162         },
 163 };
 164
 165 static struct gpio_led_platform_data cm_t35_led_pdata = {
 166         .num_leds       = ARRAY_SIZE(cm_t35_leds),
 167         .leds           = cm_t35_leds,
 168 };
 169
 170 static struct platform_device cm_t35_led_device = {
 171         .name           = "leds-gpio",
 172         .id             = -1,
 173         .dev            = {
 174                 .platform_data  = &cm_t35_led_pdata,
 175         },
 176 };
 177
 178 static void __init cm_t35_init_led(void)
 179 {
 180         platform_device_register(&cm_t35_led_device);
 181 }
 182 #else
 183 static inline void cm_t35_init_led(void) {}
 184 #endif
 185
 186 #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
 187 #include <linux/mtd/mtd.h>
 188 #include <linux/mtd/nand.h>
 189 #include <linux/mtd/partitions.h>
 190
 191 static struct mtd_partition cm_t35_nand_partitions[] = {
 192         {
 193                 .name           = "xloader",
 194                 .offset         = 0,                    /* Offset = 0x00000 */
 195                 .size           = 4 * NAND_BLOCK_SIZE,
 196                 .mask_flags     = MTD_WRITEABLE
 197         },
 198         {
 199                 .name           = "uboot",
 200                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 201                 .size           = 15 * NAND_BLOCK_SIZE,
 202         },
 203         {
 204                 .name           = "uboot environment",
 205                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
 206                 .size           = 2 * NAND_BLOCK_SIZE,
 207         },
 208         {
 209                 .name           = "linux",
 210                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
 211                 .size           = 32 * NAND_BLOCK_SIZE,
 212         },
 213         {
 214                 .name           = "rootfs",
 215                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
 216                 .size           = MTDPART_SIZ_FULL,
 217         },
 218 };
 219
 220 static struct omap_nand_platform_data cm_t35_nand_data = {
 221         .parts                  = cm_t35_nand_partitions,
 222         .nr_parts               = ARRAY_SIZE(cm_t35_nand_partitions),
 223         .dma_channel            = -1,   /* disable DMA in OMAP NAND driver */
 224         .cs                     = 0,
 225
 226 };
 227
 228 static void __init cm_t35_init_nand(void)
 229 {
 230         if (gpmc_nand_init(&cm_t35_nand_data) < 0)
 231                 pr_err("CM-T35: Unable to register NAND device\n");
 232 }
 233 #else
 234 static inline void cm_t35_init_nand(void) {}
 235 #endif
 236
 237 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
 238         defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
 239 #include <linux/spi/ads7846.h>
 240
 241 #include <plat/mcspi.h>
 242
 243 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 244         .turbo_mode     = 0,
 245         .single_channel = 1,    /* 0: slave, 1: master */
 246 };
 247
 248 static int ads7846_get_pendown_state(void)
 249 {
 250         return !gpio_get_value(CM_T35_GPIO_PENDOWN);
 251 }
 252
 253 static struct ads7846_platform_data ads7846_config = {
 254         .x_max                  = 0x0fff,
 255         .y_max                  = 0x0fff,
 256         .x_plate_ohms           = 180,
 257         .pressure_max           = 255,
 258         .debounce_max           = 10,
 259         .debounce_tol           = 3,
 260         .debounce_rep           = 1,
 261         .get_pendown_state      = ads7846_get_pendown_state,
 262         .keep_vref_on           = 1,
 263 };
 264
 265 static struct spi_board_info cm_t35_spi_board_info[] __initdata = {
 266         {
 267                 .modalias               = "ads7846",
 268                 .bus_num                = 1,
 269                 .chip_select            = 0,
 270                 .max_speed_hz           = 1500000,
 271                 .controller_data        = &ads7846_mcspi_config,
 272                 .irq                    = OMAP_GPIO_IRQ(CM_T35_GPIO_PENDOWN),
 273                 .platform_data          = &ads7846_config,
 274         },
 275 };
 276
 277 static void __init cm_t35_init_ads7846(void)
 278 {
 279         if ((gpio_request(CM_T35_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
 280             (gpio_direction_input(CM_T35_GPIO_PENDOWN) == 0)) {
 281                 gpio_export(CM_T35_GPIO_PENDOWN, 0);
 282         } else {
 283                 pr_err("CM-T35: could not obtain gpio for ADS7846_PENDOWN\n");
 284                 return;
 285         }
 286
 287         spi_register_board_info(cm_t35_spi_board_info,
 288                                 ARRAY_SIZE(cm_t35_spi_board_info));
 289 }
 290 #else
 291 static inline void cm_t35_init_ads7846(void) {}
 292 #endif
 293
 294 #define CM_T35_LCD_EN_GPIO 157
 295 #define CM_T35_LCD_BL_GPIO 58
 296 #define CM_T35_DVI_EN_GPIO 54
 297
 298 static int lcd_bl_gpio;
 299 static int lcd_en_gpio;
 300 static int dvi_en_gpio;
 301
 302 static int lcd_enabled;
 303 static int dvi_enabled;
 304
 305 static int cm_t35_panel_enable_lcd(struct omap_dss_device *dssdev)
 306 {
 307         if (dvi_enabled) {
 308                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 309                 return -EINVAL;
 310         }
 311
 312         gpio_set_value(lcd_en_gpio, 1);
 313         gpio_set_value(lcd_bl_gpio, 1);
 314
 315         lcd_enabled = 1;
 316
 317         return 0;
 318 }
 319
 320 static void cm_t35_panel_disable_lcd(struct omap_dss_device *dssdev)
 321 {
 322         lcd_enabled = 0;
 323
 324         gpio_set_value(lcd_bl_gpio, 0);
 325         gpio_set_value(lcd_en_gpio, 0);
 326 }
 327
 328 static int cm_t35_panel_enable_dvi(struct omap_dss_device *dssdev)
 329 {
 330         if (lcd_enabled) {
 331                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 332                 return -EINVAL;
 333         }
 334
 335         gpio_set_value(dvi_en_gpio, 0);
 336         dvi_enabled = 1;
 337
 338         return 0;
 339 }
 340
 341 static void cm_t35_panel_disable_dvi(struct omap_dss_device *dssdev)
 342 {
 343         gpio_set_value(dvi_en_gpio, 1);
 344         dvi_enabled = 0;
 345 }
 346
 347 static int cm_t35_panel_enable_tv(struct omap_dss_device *dssdev)
 348 {
 349         return 0;
 350 }
 351
 352 static void cm_t35_panel_disable_tv(struct omap_dss_device *dssdev)
 353 {
 354 }
 355
 356 static struct omap_dss_device cm_t35_lcd_device = {
 357         .name                   = "lcd",
 358         .driver_name            = "toppoly_tdo35s_panel",
 359         .type                   = OMAP_DISPLAY_TYPE_DPI,
 360         .phy.dpi.data_lines     = 18,
 361         .platform_enable        = cm_t35_panel_enable_lcd,
 362         .platform_disable       = cm_t35_panel_disable_lcd,
 363 };
 364
 365 static struct omap_dss_device cm_t35_dvi_device = {
 366         .name                   = "dvi",
 367         .driver_name            = "generic_panel",
 368         .type                   = OMAP_DISPLAY_TYPE_DPI,
 369         .phy.dpi.data_lines     = 24,
 370         .platform_enable        = cm_t35_panel_enable_dvi,
 371         .platform_disable       = cm_t35_panel_disable_dvi,
 372 };
 373
 374 static struct omap_dss_device cm_t35_tv_device = {
 375         .name                   = "tv",
 376         .driver_name            = "venc",
 377         .type                   = OMAP_DISPLAY_TYPE_VENC,
 378         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 379         .platform_enable        = cm_t35_panel_enable_tv,
 380         .platform_disable       = cm_t35_panel_disable_tv,
 381 };
 382
 383 static struct omap_dss_device *cm_t35_dss_devices[] = {
 384         &cm_t35_lcd_device,
 385         &cm_t35_dvi_device,
 386         &cm_t35_tv_device,
 387 };
 388
 389 static struct omap_dss_board_info cm_t35_dss_data = {
 390         .num_devices    = ARRAY_SIZE(cm_t35_dss_devices),
 391         .devices        = cm_t35_dss_devices,
 392         .default_device = &cm_t35_dvi_device,
 393 };
 394
 395 static struct platform_device cm_t35_dss_device = {
 396         .name           = "omapdss",
 397         .id             = -1,
 398         .dev            = {
 399                 .platform_data = &cm_t35_dss_data,
 400         },
 401 };
 402
 403 static struct omap2_mcspi_device_config tdo24m_mcspi_config = {
 404         .turbo_mode     = 0,
 405         .single_channel = 1,    /* 0: slave, 1: master */
 406 };
 407
 408 static struct tdo24m_platform_data tdo24m_config = {
 409         .model = TDO35S,
 410 };
 411
 412 static struct spi_board_info cm_t35_lcd_spi_board_info[] __initdata = {
 413         {
 414                 .modalias               = "tdo24m",
 415                 .bus_num                = 4,
 416                 .chip_select            = 0,
 417                 .max_speed_hz           = 1000000,
 418                 .controller_data        = &tdo24m_mcspi_config,
 419                 .platform_data          = &tdo24m_config,
 420         },
 421 };
 422
 423 static void __init cm_t35_init_display(void)
 424 {
 425         int err;
 426
 427         lcd_en_gpio = CM_T35_LCD_EN_GPIO;
 428         lcd_bl_gpio = CM_T35_LCD_BL_GPIO;
 429         dvi_en_gpio = CM_T35_DVI_EN_GPIO;
 430
 431         spi_register_board_info(cm_t35_lcd_spi_board_info,
 432                                 ARRAY_SIZE(cm_t35_lcd_spi_board_info));
 433
 434         err = gpio_request(lcd_en_gpio, "LCD RST");
 435         if (err) {
 436                 pr_err("CM-T35: failed to get LCD reset GPIO\n");
 437                 goto out;
 438         }
 439
 440         err = gpio_request(lcd_bl_gpio, "LCD BL");
 441         if (err) {
 442                 pr_err("CM-T35: failed to get LCD backlight control GPIO\n");
 443                 goto err_lcd_bl;
 444         }
 445
 446         err = gpio_request(dvi_en_gpio, "DVI EN");
 447         if (err) {
 448                 pr_err("CM-T35: failed to get DVI reset GPIO\n");
 449                 goto err_dvi_en;
 450         }
 451
 452         gpio_export(lcd_en_gpio, 0);
 453         gpio_export(lcd_bl_gpio, 0);
 454         gpio_export(dvi_en_gpio, 0);
 455         gpio_direction_output(lcd_en_gpio, 0);
 456         gpio_direction_output(lcd_bl_gpio, 0);
 457         gpio_direction_output(dvi_en_gpio, 1);
 458
 459         msleep(50);
 460         gpio_set_value(lcd_en_gpio, 1);
 461
 462         err = platform_device_register(&cm_t35_dss_device);
 463         if (err) {
 464                 pr_err("CM-T35: failed to register DSS device\n");
 465                 goto err_dev_reg;
 466         }
 467
 468         return;
 469
 470 err_dev_reg:
 471         gpio_free(dvi_en_gpio);
 472 err_dvi_en:
 473         gpio_free(lcd_bl_gpio);
 474 err_lcd_bl:
 475         gpio_free(lcd_en_gpio);
 476 out:
 477
 478         return;
 479 }
 480
 481 static struct regulator_consumer_supply cm_t35_vmmc1_supply = {
 482         .supply                 = "vmmc",
 483 };
 484
 485 static struct regulator_consumer_supply cm_t35_vsim_supply = {
 486         .supply                 = "vmmc_aux",
 487 };
 488
 489 static struct regulator_consumer_supply cm_t35_vdac_supply = {
 490         .supply         = "vdda_dac",
 491         .dev            = &cm_t35_dss_device.dev,
 492 };
 493
 494 static struct regulator_consumer_supply cm_t35_vdvi_supply = {
 495         .supply         = "vdvi",
 496         .dev            = &cm_t35_dss_device.dev,
 497 };
 498
 499 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 500 static struct regulator_init_data cm_t35_vmmc1 = {
 501         .constraints = {
 502                 .min_uV                 = 1850000,
 503                 .max_uV                 = 3150000,
 504                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 505                                         | REGULATOR_MODE_STANDBY,
 506                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 507                                         | REGULATOR_CHANGE_MODE
 508                                         | REGULATOR_CHANGE_STATUS,
 509         },
 510         .num_consumer_supplies  = 1,
 511         .consumer_supplies      = &cm_t35_vmmc1_supply,
 512 };
 513
 514 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 515 static struct regulator_init_data cm_t35_vsim = {
 516         .constraints = {
 517                 .min_uV                 = 1800000,
 518                 .max_uV                 = 3000000,
 519                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 520                                         | REGULATOR_MODE_STANDBY,
 521                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 522                                         | REGULATOR_CHANGE_MODE
 523                                         | REGULATOR_CHANGE_STATUS,
 524         },
 525         .num_consumer_supplies  = 1,
 526         .consumer_supplies      = &cm_t35_vsim_supply,
 527 };
 528
 529 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 530 static struct regulator_init_data cm_t35_vdac = {
 531         .constraints = {
 532                 .min_uV                 = 1800000,
 533                 .max_uV                 = 1800000,
 534                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 535                                         | REGULATOR_MODE_STANDBY,
 536                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 537                                         | REGULATOR_CHANGE_STATUS,
 538         },
 539         .num_consumer_supplies  = 1,
 540         .consumer_supplies      = &cm_t35_vdac_supply,
 541 };
 542
 543 /* VPLL2 for digital video outputs */
 544 static struct regulator_init_data cm_t35_vpll2 = {
 545         .constraints = {
 546                 .name                   = "VDVI",
 547                 .min_uV                 = 1800000,
 548                 .max_uV                 = 1800000,
 549                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 550                                         | REGULATOR_MODE_STANDBY,
 551                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 552                                         | REGULATOR_CHANGE_STATUS,
 553         },
 554         .num_consumer_supplies  = 1,
 555         .consumer_supplies      = &cm_t35_vdvi_supply,
 556 };
 557
 558 static struct twl4030_usb_data cm_t35_usb_data = {
 559         .usb_mode       = T2_USB_MODE_ULPI,
 560 };
 561
 562 static uint32_t cm_t35_keymap[] = {
 563         KEY(0, 0, KEY_A),       KEY(0, 1, KEY_B),       KEY(0, 2, KEY_LEFT),
 564         KEY(1, 0, KEY_UP),      KEY(1, 1, KEY_ENTER),   KEY(1, 2, KEY_DOWN),
 565         KEY(2, 0, KEY_RIGHT),   KEY(2, 1, KEY_C),       KEY(2, 2, KEY_D),
 566 };
 567
 568 static struct matrix_keymap_data cm_t35_keymap_data = {
 569         .keymap                 = cm_t35_keymap,
 570         .keymap_size            = ARRAY_SIZE(cm_t35_keymap),
 571 };
 572
 573 static struct twl4030_keypad_data cm_t35_kp_data = {
 574         .keymap_data    = &cm_t35_keymap_data,
 575         .rows           = 3,
 576         .cols           = 3,
 577         .rep            = 1,
 578 };
 579
 580 static struct omap2_hsmmc_info mmc[] = {
 581         {
 582                 .mmc            = 1,
 583                 .caps           = MMC_CAP_4_BIT_DATA,
 584                 .gpio_cd        = -EINVAL,
 585                 .gpio_wp        = -EINVAL,
 586
 587         },
 588         {
 589                 .mmc            = 2,
 590                 .caps           = MMC_CAP_4_BIT_DATA,
 591                 .transceiver    = 1,
 592                 .gpio_cd        = -EINVAL,
 593                 .gpio_wp        = -EINVAL,
 594                 .ocr_mask       = 0x00100000,   /* 3.3V */
 595         },
 596         {}      /* Terminator */
 597 };
 598
 599 static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
 600         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 601         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 602         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 603
 604         .phy_reset  = true,
 605         .reset_gpio_port[0]  = -EINVAL,
 606         .reset_gpio_port[1]  = -EINVAL,
 607         .reset_gpio_port[2]  = -EINVAL
 608 };
 609
 610 static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio,
 611                                  unsigned ngpio)
 612 {
 613         int wlan_rst = gpio + 2;
 614
 615         if ((gpio_request(wlan_rst, "WLAN RST") == 0) &&
 616             (gpio_direction_output(wlan_rst, 1) == 0)) {
 617                 gpio_export(wlan_rst, 0);
 618
 619                 udelay(10);
 620                 gpio_set_value(wlan_rst, 0);
 621                 udelay(10);
 622                 gpio_set_value(wlan_rst, 1);
 623         } else {
 624                 pr_err("CM-T35: could not obtain gpio for WiFi reset\n");
 625         }
 626
 627         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 628         mmc[0].gpio_cd = gpio + 0;
 629         omap2_hsmmc_init(mmc);
 630
 631         /* link regulators to MMC adapters */
 632         cm_t35_vmmc1_supply.dev = mmc[0].dev;
 633         cm_t35_vsim_supply.dev = mmc[0].dev;
 634
 635         /* setup USB with proper PHY reset GPIOs */
 636         ehci_pdata.reset_gpio_port[0] = gpio + 6;
 637         ehci_pdata.reset_gpio_port[1] = gpio + 7;
 638
 639         usb_ehci_init(&ehci_pdata);
 640
 641         return 0;
 642 }
 643
 644 static struct twl4030_gpio_platform_data cm_t35_gpio_data = {
 645         .gpio_base      = OMAP_MAX_GPIO_LINES,
 646         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 647         .irq_end        = TWL4030_GPIO_IRQ_END,
 648         .setup          = cm_t35_twl_gpio_setup,
 649 };
 650
 651 static struct twl4030_platform_data cm_t35_twldata = {
 652         .irq_base       = TWL4030_IRQ_BASE,
 653         .irq_end        = TWL4030_IRQ_END,
 654
 655         /* platform_data for children goes here */
 656         .keypad         = &cm_t35_kp_data,
 657         .usb            = &cm_t35_usb_data,
 658         .gpio           = &cm_t35_gpio_data,
 659         .vmmc1          = &cm_t35_vmmc1,
 660         .vsim           = &cm_t35_vsim,
 661         .vdac           = &cm_t35_vdac,
 662         .vpll2          = &cm_t35_vpll2,
 663 };
 664
 665 static struct i2c_board_info __initdata cm_t35_i2c_boardinfo[] = {
 666         {
 667                 I2C_BOARD_INFO("tps65930", 0x48),
 668                 .flags          = I2C_CLIENT_WAKE,
 669                 .irq            = INT_34XX_SYS_NIRQ,
 670                 .platform_data  = &cm_t35_twldata,
 671         },
 672 };
 673
 674 static void __init cm_t35_init_i2c(void)
 675 {
 676         omap_register_i2c_bus(1, 2600, cm_t35_i2c_boardinfo,
 677                               ARRAY_SIZE(cm_t35_i2c_boardinfo));
 678 }
 679
 680 static struct omap_board_config_kernel cm_t35_config[] __initdata = {
 681 };
 682
 683 static void __init cm_t35_init_irq(void)
 684 {
 685         omap_board_config = cm_t35_config;
 686         omap_board_config_size = ARRAY_SIZE(cm_t35_config);
 687
 688         omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
 689                              mt46h32m32lf6_sdrc_params);
 690         omap_init_irq();
 691         omap_gpio_init();
 692 }
 693
 694 static struct omap_board_mux board_mux[] __initdata = {
 695         /* nCS and IRQ for CM-T35 ethernet */
 696         OMAP3_MUX(GPMC_NCS5, OMAP_MUX_MODE0),
 697         OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
 698
 699         /* nCS and IRQ for SB-T35 ethernet */
 700         OMAP3_MUX(GPMC_NCS4, OMAP_MUX_MODE0),
 701         OMAP3_MUX(GPMC_WAIT3, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
 702
 703         /* PENDOWN GPIO */
 704         OMAP3_MUX(GPMC_NCS6, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
 705
 706         /* mUSB */
 707         OMAP3_MUX(HSUSB0_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 708         OMAP3_MUX(HSUSB0_STP, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 709         OMAP3_MUX(HSUSB0_DIR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 710         OMAP3_MUX(HSUSB0_NXT, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 711         OMAP3_MUX(HSUSB0_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 712         OMAP3_MUX(HSUSB0_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 713         OMAP3_MUX(HSUSB0_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 714         OMAP3_MUX(HSUSB0_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 715         OMAP3_MUX(HSUSB0_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 716         OMAP3_MUX(HSUSB0_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 717         OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 718         OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 719
 720         /* MMC 2 */
 721         OMAP3_MUX(SDMMC2_DAT4, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 722         OMAP3_MUX(SDMMC2_DAT5, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 723         OMAP3_MUX(SDMMC2_DAT6, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 724         OMAP3_MUX(SDMMC2_DAT7, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 725
 726         /* McSPI 1 */
 727         OMAP3_MUX(MCSPI1_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 728         OMAP3_MUX(MCSPI1_SIMO, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 729         OMAP3_MUX(MCSPI1_SOMI, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 730         OMAP3_MUX(MCSPI1_CS0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 731
 732         /* McSPI 4 */
 733         OMAP3_MUX(MCBSP1_CLKR, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 734         OMAP3_MUX(MCBSP1_DX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 735         OMAP3_MUX(MCBSP1_DR, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 736         OMAP3_MUX(MCBSP1_FSX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT_PULLUP),
 737
 738         /* McBSP 2 */
 739         OMAP3_MUX(MCBSP2_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 740         OMAP3_MUX(MCBSP2_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 741         OMAP3_MUX(MCBSP2_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 742         OMAP3_MUX(MCBSP2_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 743
 744         /* serial ports */
 745         OMAP3_MUX(MCBSP3_CLKX, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 746         OMAP3_MUX(MCBSP3_FSX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 747         OMAP3_MUX(UART1_TX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 748         OMAP3_MUX(UART1_RX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 749
 750         /* DSS */
 751         OMAP3_MUX(DSS_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 752         OMAP3_MUX(DSS_HSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 753         OMAP3_MUX(DSS_VSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 754         OMAP3_MUX(DSS_ACBIAS, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 755         OMAP3_MUX(DSS_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 756         OMAP3_MUX(DSS_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 757         OMAP3_MUX(DSS_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 758         OMAP3_MUX(DSS_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 759         OMAP3_MUX(DSS_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 760         OMAP3_MUX(DSS_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 761         OMAP3_MUX(DSS_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 762         OMAP3_MUX(DSS_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 763         OMAP3_MUX(DSS_DATA8, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 764         OMAP3_MUX(DSS_DATA9, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 765         OMAP3_MUX(DSS_DATA10, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 766         OMAP3_MUX(DSS_DATA11, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 767         OMAP3_MUX(DSS_DATA12, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 768         OMAP3_MUX(DSS_DATA13, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 769         OMAP3_MUX(DSS_DATA14, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 770         OMAP3_MUX(DSS_DATA15, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 771         OMAP3_MUX(DSS_DATA16, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 772         OMAP3_MUX(DSS_DATA17, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 773         OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 774         OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 775         OMAP3_MUX(DSS_DATA20, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 776         OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 777         OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 778         OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 779
 780         /* display controls */
 781         OMAP3_MUX(MCBSP1_FSR, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 782         OMAP3_MUX(GPMC_NCS7, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 783         OMAP3_MUX(GPMC_NCS3, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 784
 785         /* TPS IRQ */
 786         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_WAKEUP_EN | \
 787                   OMAP_PIN_INPUT_PULLUP),
 788
 789         { .reg_offset = OMAP_MUX_TERMINATOR },
 790 };
 791
 792 static struct omap_musb_board_data musb_board_data = {
 793         .interface_type         = MUSB_INTERFACE_ULPI,
 794         .mode                   = MUSB_OTG,
 795         .power                  = 100,
 796 };
 797
 798 static void __init cm_t35_init(void)
 799 {
 800         omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 801         omap_serial_init();
 802         cm_t35_init_i2c();
 803         cm_t35_init_nand();
 804         cm_t35_init_ads7846();
 805         cm_t35_init_ethernet();
 806         cm_t35_init_led();
 807         cm_t35_init_display();
 808
 809         usb_musb_init(&musb_board_data);
 810 }
 811
 812 MACHINE_START(CM_T35, "Compulab CM-T35")
 813         .phys_io        = 0x48000000,
 814         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 815         .boot_params    = 0x80000100,
 816         .map_io         = omap3_map_io,
 817         .reserve        = omap_reserve,
 818         .init_irq       = cm_t35_init_irq,
 819         .init_machine   = cm_t35_init,
 820         .timer          = &omap_timer,
 821 MACHINE_END