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