arch/arm/mach-pxa/em-x270.c

   1 /*
   2  * Support for CompuLab EM-X270 platform
   3  *
   4  * Copyright (C) 2007, 2008 CompuLab, Ltd.
   5  * Author: Mike Rapoport <mike@compulab.co.il>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #include <linux/irq.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15
  16 #include <linux/dm9000.h>
  17 #include <linux/rtc-v3020.h>
  18 #include <linux/mtd/nand.h>
  19 #include <linux/mtd/partitions.h>
  20 #include <linux/mtd/physmap.h>
  21 #include <linux/input.h>
  22 #include <linux/gpio_keys.h>
  23 #include <linux/gpio.h>
  24 #include <linux/mfd/da903x.h>
  25 #include <linux/regulator/machine.h>
  26 #include <linux/spi/spi.h>
  27 #include <linux/spi/tdo24m.h>
  28 #include <linux/spi/libertas_spi.h>
  29 #include <linux/spi/pxa2xx_spi.h>
  30 #include <linux/power_supply.h>
  31 #include <linux/apm-emulation.h>
  32 #include <linux/i2c.h>
  33 #include <linux/platform_data/pca953x.h>
  34 #include <linux/i2c/pxa-i2c.h>
  35 #include <linux/regulator/userspace-consumer.h>
  36
  37 #include <media/soc_camera.h>
  38
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41
  42 #include <mach/pxa27x.h>
  43 #include <mach/pxa27x-udc.h>
  44 #include <mach/audio.h>
  45 #include <linux/platform_data/video-pxafb.h>
  46 #include <linux/platform_data/usb-ohci-pxa27x.h>
  47 #include <linux/platform_data/mmc-pxamci.h>
  48 #include <linux/platform_data/keypad-pxa27x.h>
  49 #include <linux/platform_data/camera-pxa.h>
  50
  51 #include "generic.h"
  52 #include "devices.h"
  53
  54 /* EM-X270 specific GPIOs */
  55 #define GPIO13_MMC_CD           (13)
  56 #define GPIO95_MMC_WP           (95)
  57 #define GPIO56_NAND_RB          (56)
  58 #define GPIO93_CAM_RESET        (93)
  59 #define GPIO16_USB_HUB_RESET    (16)
  60
  61 /* eXeda specific GPIOs */
  62 #define GPIO114_MMC_CD          (114)
  63 #define GPIO20_NAND_RB          (20)
  64 #define GPIO38_SD_PWEN          (38)
  65 #define GPIO37_WLAN_RST         (37)
  66 #define GPIO95_TOUCHPAD_INT     (95)
  67 #define GPIO130_CAM_RESET       (130)
  68 #define GPIO10_USB_HUB_RESET    (10)
  69
  70 /* common  GPIOs */
  71 #define GPIO11_NAND_CS          (11)
  72 #define GPIO41_ETHIRQ           (41)
  73 #define EM_X270_ETHIRQ          PXA_GPIO_TO_IRQ(GPIO41_ETHIRQ)
  74 #define GPIO115_WLAN_PWEN       (115)
  75 #define GPIO19_WLAN_STRAP       (19)
  76 #define GPIO9_USB_VBUS_EN       (9)
  77
  78 static int mmc_cd;
  79 static int nand_rb;
  80 static int dm9000_flags;
  81 static int cam_reset;
  82 static int usb_hub_reset;
  83
  84 static unsigned long common_pin_config[] = {
  85         /* AC'97 */
  86         GPIO28_AC97_BITCLK,
  87         GPIO29_AC97_SDATA_IN_0,
  88         GPIO30_AC97_SDATA_OUT,
  89         GPIO31_AC97_SYNC,
  90         GPIO98_AC97_SYSCLK,
  91         GPIO113_AC97_nRESET,
  92
  93         /* BTUART */
  94         GPIO42_BTUART_RXD,
  95         GPIO43_BTUART_TXD,
  96         GPIO44_BTUART_CTS,
  97         GPIO45_BTUART_RTS,
  98
  99         /* STUART */
 100         GPIO46_STUART_RXD,
 101         GPIO47_STUART_TXD,
 102
 103         /* MCI controller */
 104         GPIO32_MMC_CLK,
 105         GPIO112_MMC_CMD,
 106         GPIO92_MMC_DAT_0,
 107         GPIO109_MMC_DAT_1,
 108         GPIO110_MMC_DAT_2,
 109         GPIO111_MMC_DAT_3,
 110
 111         /* LCD */
 112         GPIOxx_LCD_TFT_16BPP,
 113
 114         /* QCI */
 115         GPIO84_CIF_FV,
 116         GPIO25_CIF_LV,
 117         GPIO53_CIF_MCLK,
 118         GPIO54_CIF_PCLK,
 119         GPIO81_CIF_DD_0,
 120         GPIO55_CIF_DD_1,
 121         GPIO51_CIF_DD_2,
 122         GPIO50_CIF_DD_3,
 123         GPIO52_CIF_DD_4,
 124         GPIO48_CIF_DD_5,
 125         GPIO17_CIF_DD_6,
 126         GPIO12_CIF_DD_7,
 127
 128         /* I2C */
 129         GPIO117_I2C_SCL,
 130         GPIO118_I2C_SDA,
 131
 132         /* Keypad */
 133         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 134         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 135         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 136         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 137         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 138         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 139         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
 140         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
 141         GPIO103_KP_MKOUT_0,
 142         GPIO104_KP_MKOUT_1,
 143         GPIO105_KP_MKOUT_2,
 144         GPIO106_KP_MKOUT_3,
 145         GPIO107_KP_MKOUT_4,
 146         GPIO108_KP_MKOUT_5,
 147         GPIO96_KP_MKOUT_6,
 148         GPIO22_KP_MKOUT_7,
 149
 150         /* SSP1 */
 151         GPIO26_SSP1_RXD,
 152         GPIO23_SSP1_SCLK,
 153         GPIO24_SSP1_SFRM,
 154         GPIO57_SSP1_TXD,
 155
 156         /* SSP2 */
 157         GPIO19_GPIO,    /* SSP2 clock is used as GPIO for Libertas pin-strap */
 158         GPIO14_GPIO,
 159         GPIO89_SSP2_TXD,
 160         GPIO88_SSP2_RXD,
 161
 162         /* SDRAM and local bus */
 163         GPIO15_nCS_1,
 164         GPIO78_nCS_2,
 165         GPIO79_nCS_3,
 166         GPIO80_nCS_4,
 167         GPIO49_nPWE,
 168         GPIO18_RDY,
 169
 170         /* GPIO */
 171         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
 172
 173         /* power controls */
 174         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
 175         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
 176
 177         /* NAND controls */
 178         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
 179
 180         /* interrupts */
 181         GPIO41_GPIO,    /* DM9000 interrupt */
 182 };
 183
 184 static unsigned long em_x270_pin_config[] = {
 185         GPIO13_GPIO,                            /* MMC card detect */
 186         GPIO16_GPIO,                            /* USB hub reset */
 187         GPIO56_GPIO,                            /* NAND Ready/Busy */
 188         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
 189         GPIO95_GPIO,                            /* MMC Write protect */
 190 };
 191
 192 static unsigned long exeda_pin_config[] = {
 193         GPIO10_GPIO,                            /* USB hub reset */
 194         GPIO20_GPIO,                            /* NAND Ready/Busy */
 195         GPIO38_GPIO     | MFP_LPM_DRIVE_LOW,    /* SD slot power */
 196         GPIO95_GPIO,                            /* touchpad IRQ */
 197         GPIO114_GPIO,                           /* MMC card detect */
 198 };
 199
 200 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 201 static struct resource em_x270_dm9000_resource[] = {
 202         [0] = {
 203                 .start = PXA_CS2_PHYS,
 204                 .end   = PXA_CS2_PHYS + 3,
 205                 .flags = IORESOURCE_MEM,
 206         },
 207         [1] = {
 208                 .start = PXA_CS2_PHYS + 8,
 209                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
 210                 .flags = IORESOURCE_MEM,
 211         },
 212         [2] = {
 213                 .start = EM_X270_ETHIRQ,
 214                 .end   = EM_X270_ETHIRQ,
 215                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 216         }
 217 };
 218
 219 static struct dm9000_plat_data em_x270_dm9000_platdata = {
 220         .flags          = DM9000_PLATF_NO_EEPROM,
 221 };
 222
 223 static struct platform_device em_x270_dm9000 = {
 224         .name           = "dm9000",
 225         .id             = 0,
 226         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
 227         .resource       = em_x270_dm9000_resource,
 228         .dev            = {
 229                 .platform_data = &em_x270_dm9000_platdata,
 230         }
 231 };
 232
 233 static void __init em_x270_init_dm9000(void)
 234 {
 235         em_x270_dm9000_platdata.flags |= dm9000_flags;
 236         platform_device_register(&em_x270_dm9000);
 237 }
 238 #else
 239 static inline void em_x270_init_dm9000(void) {}
 240 #endif
 241
 242 /* V3020 RTC */
 243 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 244 static struct resource em_x270_v3020_resource[] = {
 245         [0] = {
 246                 .start = PXA_CS4_PHYS,
 247                 .end   = PXA_CS4_PHYS + 3,
 248                 .flags = IORESOURCE_MEM,
 249         },
 250 };
 251
 252 static struct v3020_platform_data em_x270_v3020_platdata = {
 253         .leftshift = 0,
 254 };
 255
 256 static struct platform_device em_x270_rtc = {
 257         .name           = "v3020",
 258         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
 259         .resource       = em_x270_v3020_resource,
 260         .id             = -1,
 261         .dev            = {
 262                 .platform_data = &em_x270_v3020_platdata,
 263         }
 264 };
 265
 266 static void __init em_x270_init_rtc(void)
 267 {
 268         platform_device_register(&em_x270_rtc);
 269 }
 270 #else
 271 static inline void em_x270_init_rtc(void) {}
 272 #endif
 273
 274 /* NAND flash */
 275 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 276 static inline void nand_cs_on(void)
 277 {
 278         gpio_set_value(GPIO11_NAND_CS, 0);
 279 }
 280
 281 static void nand_cs_off(void)
 282 {
 283         dsb();
 284
 285         gpio_set_value(GPIO11_NAND_CS, 1);
 286 }
 287
 288 /* hardware specific access to control-lines */
 289 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
 290                                  unsigned int ctrl)
 291 {
 292         struct nand_chip *this = mtd->priv;
 293         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 294
 295         dsb();
 296
 297         if (ctrl & NAND_CTRL_CHANGE) {
 298                 if (ctrl & NAND_ALE)
 299                         nandaddr |=  (1 << 3);
 300                 else
 301                         nandaddr &= ~(1 << 3);
 302                 if (ctrl & NAND_CLE)
 303                         nandaddr |=  (1 << 2);
 304                 else
 305                         nandaddr &= ~(1 << 2);
 306                 if (ctrl & NAND_NCE)
 307                         nand_cs_on();
 308                 else
 309                         nand_cs_off();
 310         }
 311
 312         dsb();
 313         this->IO_ADDR_W = (void __iomem *)nandaddr;
 314         if (dat != NAND_CMD_NONE)
 315                 writel(dat, this->IO_ADDR_W);
 316
 317         dsb();
 318 }
 319
 320 /* read device ready pin */
 321 static int em_x270_nand_device_ready(struct mtd_info *mtd)
 322 {
 323         dsb();
 324
 325         return gpio_get_value(nand_rb);
 326 }
 327
 328 static struct mtd_partition em_x270_partition_info[] = {
 329         [0] = {
 330                 .name   = "em_x270-0",
 331                 .offset = 0,
 332                 .size   = SZ_4M,
 333         },
 334         [1] = {
 335                 .name   = "em_x270-1",
 336                 .offset = MTDPART_OFS_APPEND,
 337                 .size   = MTDPART_SIZ_FULL
 338         },
 339 };
 340
 341 struct platform_nand_data em_x270_nand_platdata = {
 342         .chip = {
 343                 .nr_chips = 1,
 344                 .chip_offset = 0,
 345                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
 346                 .partitions = em_x270_partition_info,
 347                 .chip_delay = 20,
 348         },
 349         .ctrl = {
 350                 .hwcontrol = 0,
 351                 .dev_ready = em_x270_nand_device_ready,
 352                 .select_chip = 0,
 353                 .cmd_ctrl = em_x270_nand_cmd_ctl,
 354         },
 355 };
 356
 357 static struct resource em_x270_nand_resource[] = {
 358         [0] = {
 359                 .start = PXA_CS1_PHYS,
 360                 .end   = PXA_CS1_PHYS + 12,
 361                 .flags = IORESOURCE_MEM,
 362         },
 363 };
 364
 365 static struct platform_device em_x270_nand = {
 366         .name           = "gen_nand",
 367         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
 368         .resource       = em_x270_nand_resource,
 369         .id             = -1,
 370         .dev            = {
 371                 .platform_data = &em_x270_nand_platdata,
 372         }
 373 };
 374
 375 static void __init em_x270_init_nand(void)
 376 {
 377         int err;
 378
 379         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
 380         if (err) {
 381                 pr_warn("EM-X270: failed to request NAND CS gpio\n");
 382                 return;
 383         }
 384
 385         gpio_direction_output(GPIO11_NAND_CS, 1);
 386
 387         err = gpio_request(nand_rb, "NAND R/B");
 388         if (err) {
 389                 pr_warn("EM-X270: failed to request NAND R/B gpio\n");
 390                 gpio_free(GPIO11_NAND_CS);
 391                 return;
 392         }
 393
 394         gpio_direction_input(nand_rb);
 395
 396         platform_device_register(&em_x270_nand);
 397 }
 398 #else
 399 static inline void em_x270_init_nand(void) {}
 400 #endif
 401
 402 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 403 static struct mtd_partition em_x270_nor_parts[] = {
 404         {
 405                 .name =         "Bootloader",
 406                 .offset =       0x00000000,
 407                 .size =         0x00050000,
 408                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 409         }, {
 410                 .name =         "Environment",
 411                 .offset =       0x00050000,
 412                 .size =         0x00010000,
 413         }, {
 414                 .name =         "Reserved",
 415                 .offset =       0x00060000,
 416                 .size =         0x00050000,
 417                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 418         }, {
 419                 .name =         "Splashscreen",
 420                 .offset =       0x000b0000,
 421                 .size =         0x00050000,
 422         }
 423 };
 424
 425 static struct physmap_flash_data em_x270_nor_data[] = {
 426         [0] = {
 427                 .width = 2,
 428                 .parts = em_x270_nor_parts,
 429                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
 430         },
 431 };
 432
 433 static struct resource em_x270_nor_flash_resource = {
 434         .start  = PXA_CS0_PHYS,
 435         .end    = PXA_CS0_PHYS + SZ_1M - 1,
 436         .flags  = IORESOURCE_MEM,
 437 };
 438
 439 static struct platform_device em_x270_physmap_flash = {
 440         .name           = "physmap-flash",
 441         .id             = 0,
 442         .num_resources  = 1,
 443         .resource       = &em_x270_nor_flash_resource,
 444         .dev            = {
 445                 .platform_data  = &em_x270_nor_data,
 446         },
 447 };
 448
 449 static void __init em_x270_init_nor(void)
 450 {
 451         platform_device_register(&em_x270_physmap_flash);
 452 }
 453 #else
 454 static inline void em_x270_init_nor(void) {}
 455 #endif
 456
 457 /* PXA27x OHCI controller setup */
 458 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 459 static struct regulator *em_x270_usb_ldo;
 460
 461 static int em_x270_usb_hub_init(void)
 462 {
 463         int err;
 464
 465         em_x270_usb_ldo = regulator_get(NULL, "vcc usb");
 466         if (IS_ERR(em_x270_usb_ldo))
 467                 return PTR_ERR(em_x270_usb_ldo);
 468
 469         err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en");
 470         if (err)
 471                 goto err_free_usb_ldo;
 472
 473         err = gpio_request(usb_hub_reset, "hub rst");
 474         if (err)
 475                 goto err_free_vbus_gpio;
 476
 477         /* USB Hub power-on and reset */
 478         gpio_direction_output(usb_hub_reset, 1);
 479         gpio_direction_output(GPIO9_USB_VBUS_EN, 0);
 480         err = regulator_enable(em_x270_usb_ldo);
 481         if (err)
 482                 goto err_free_rst_gpio;
 483
 484         gpio_set_value(usb_hub_reset, 0);
 485         gpio_set_value(usb_hub_reset, 1);
 486         regulator_disable(em_x270_usb_ldo);
 487         err = regulator_enable(em_x270_usb_ldo);
 488         if (err)
 489                 goto err_free_rst_gpio;
 490
 491         gpio_set_value(usb_hub_reset, 0);
 492         gpio_set_value(GPIO9_USB_VBUS_EN, 1);
 493
 494         return 0;
 495
 496 err_free_rst_gpio:
 497         gpio_free(usb_hub_reset);
 498 err_free_vbus_gpio:
 499         gpio_free(GPIO9_USB_VBUS_EN);
 500 err_free_usb_ldo:
 501         regulator_put(em_x270_usb_ldo);
 502
 503         return err;
 504 }
 505
 506 static int em_x270_ohci_init(struct device *dev)
 507 {
 508         int err;
 509
 510         /* we don't want to entirely disable USB if the HUB init failed */
 511         err = em_x270_usb_hub_init();
 512         if (err)
 513                 pr_err("USB Hub initialization failed: %d\n", err);
 514
 515         /* enable port 2 transiever */
 516         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
 517
 518         return 0;
 519 }
 520
 521 static void em_x270_ohci_exit(struct device *dev)
 522 {
 523         gpio_free(usb_hub_reset);
 524         gpio_free(GPIO9_USB_VBUS_EN);
 525
 526         if (!IS_ERR(em_x270_usb_ldo)) {
 527                 if (regulator_is_enabled(em_x270_usb_ldo))
 528                         regulator_disable(em_x270_usb_ldo);
 529
 530                 regulator_put(em_x270_usb_ldo);
 531         }
 532 }
 533
 534 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
 535         .port_mode      = PMM_PERPORT_MODE,
 536         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 537         .init           = em_x270_ohci_init,
 538         .exit           = em_x270_ohci_exit,
 539 };
 540
 541 static void __init em_x270_init_ohci(void)
 542 {
 543         pxa_set_ohci_info(&em_x270_ohci_platform_data);
 544 }
 545 #else
 546 static inline void em_x270_init_ohci(void) {}
 547 #endif
 548
 549 /* MCI controller setup */
 550 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 551 static struct regulator *em_x270_sdio_ldo;
 552
 553 static int em_x270_mci_init(struct device *dev,
 554                             irq_handler_t em_x270_detect_int,
 555                             void *data)
 556 {
 557         int err;
 558
 559         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
 560         if (IS_ERR(em_x270_sdio_ldo)) {
 561                 dev_err(dev, "can't request SDIO power supply: %ld\n",
 562                         PTR_ERR(em_x270_sdio_ldo));
 563                 return PTR_ERR(em_x270_sdio_ldo);
 564         }
 565
 566         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
 567                               IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 568                               "MMC card detect", data);
 569         if (err) {
 570                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
 571                 goto err_irq;
 572         }
 573
 574         if (machine_is_em_x270()) {
 575                 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
 576                 if (err) {
 577                         dev_err(dev, "can't request MMC write protect: %d\n",
 578                                 err);
 579                         goto err_gpio_wp;
 580                 }
 581                 gpio_direction_input(GPIO95_MMC_WP);
 582         } else {
 583                 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
 584                 if (err) {
 585                         dev_err(dev, "can't request MMC power control : %d\n",
 586                                 err);
 587                         goto err_gpio_wp;
 588                 }
 589                 gpio_direction_output(GPIO38_SD_PWEN, 1);
 590         }
 591
 592         return 0;
 593
 594 err_gpio_wp:
 595         free_irq(gpio_to_irq(mmc_cd), data);
 596 err_irq:
 597         regulator_put(em_x270_sdio_ldo);
 598
 599         return err;
 600 }
 601
 602 static int em_x270_mci_setpower(struct device *dev, unsigned int vdd)
 603 {
 604         struct pxamci_platform_data* p_d = dev->platform_data;
 605
 606         if ((1 << vdd) & p_d->ocr_mask) {
 607                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
 608
 609                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
 610                 return regulator_enable(em_x270_sdio_ldo);
 611         } else {
 612                 regulator_disable(em_x270_sdio_ldo);
 613         }
 614         return 0;
 615 }
 616
 617 static void em_x270_mci_exit(struct device *dev, void *data)
 618 {
 619         free_irq(gpio_to_irq(mmc_cd), data);
 620         regulator_put(em_x270_sdio_ldo);
 621
 622         if (machine_is_em_x270())
 623                 gpio_free(GPIO95_MMC_WP);
 624         else
 625                 gpio_free(GPIO38_SD_PWEN);
 626 }
 627
 628 static int em_x270_mci_get_ro(struct device *dev)
 629 {
 630         return gpio_get_value(GPIO95_MMC_WP);
 631 }
 632
 633 static struct pxamci_platform_data em_x270_mci_platform_data = {
 634         .detect_delay_ms        = 250,
 635         .ocr_mask               = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
 636                                   MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
 637                                   MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
 638                                   MMC_VDD_30_31|MMC_VDD_31_32,
 639         .init                   = em_x270_mci_init,
 640         .setpower               = em_x270_mci_setpower,
 641         .exit                   = em_x270_mci_exit,
 642         .gpio_card_detect       = -1,
 643         .gpio_card_ro           = -1,
 644         .gpio_power             = -1,
 645 };
 646
 647 static void __init em_x270_init_mmc(void)
 648 {
 649         if (machine_is_em_x270())
 650                 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
 651
 652         pxa_set_mci_info(&em_x270_mci_platform_data);
 653 }
 654 #else
 655 static inline void em_x270_init_mmc(void) {}
 656 #endif
 657
 658 /* LCD */
 659 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 660 static struct pxafb_mode_info em_x270_lcd_modes[] = {
 661         [0] = {
 662                 .pixclock       = 38250,
 663                 .bpp            = 16,
 664                 .xres           = 480,
 665                 .yres           = 640,
 666                 .hsync_len      = 8,
 667                 .vsync_len      = 2,
 668                 .left_margin    = 8,
 669                 .upper_margin   = 2,
 670                 .right_margin   = 24,
 671                 .lower_margin   = 4,
 672                 .sync           = 0,
 673         },
 674         [1] = {
 675                 .pixclock       = 153800,
 676                 .bpp            = 16,
 677                 .xres           = 240,
 678                 .yres           = 320,
 679                 .hsync_len      = 8,
 680                 .vsync_len      = 2,
 681                 .left_margin    = 8,
 682                 .upper_margin   = 2,
 683                 .right_margin   = 88,
 684                 .lower_margin   = 2,
 685                 .sync           = 0,
 686         },
 687 };
 688
 689 static struct pxafb_mach_info em_x270_lcd = {
 690         .modes          = em_x270_lcd_modes,
 691         .num_modes      = 2,
 692         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 693 };
 694
 695 static void __init em_x270_init_lcd(void)
 696 {
 697         pxa_set_fb_info(NULL, &em_x270_lcd);
 698 }
 699 #else
 700 static inline void em_x270_init_lcd(void) {}
 701 #endif
 702
 703 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 704 static struct pxa2xx_spi_master em_x270_spi_info = {
 705         .num_chipselect = 1,
 706 };
 707
 708 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
 709         .rx_threshold   = 1,
 710         .tx_threshold   = 1,
 711         .gpio_cs        = -1,
 712 };
 713
 714 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
 715         .model = TDO35S,
 716 };
 717
 718 static struct pxa2xx_spi_master em_x270_spi_2_info = {
 719         .num_chipselect = 1,
 720         .enable_dma     = 1,
 721 };
 722
 723 static struct pxa2xx_spi_chip em_x270_libertas_chip = {
 724         .rx_threshold   = 1,
 725         .tx_threshold   = 1,
 726         .timeout        = 1000,
 727         .gpio_cs        = 14,
 728 };
 729
 730 static unsigned long em_x270_libertas_pin_config[] = {
 731         /* SSP2 */
 732         GPIO19_SSP2_SCLK,
 733         GPIO14_GPIO,
 734         GPIO89_SSP2_TXD,
 735         GPIO88_SSP2_RXD,
 736 };
 737
 738 static int em_x270_libertas_setup(struct spi_device *spi)
 739 {
 740         int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
 741         if (err)
 742                 return err;
 743
 744         err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
 745         if (err)
 746                 goto err_free_pwen;
 747
 748         if (machine_is_exeda()) {
 749                 err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
 750                 if (err)
 751                         goto err_free_strap;
 752
 753                 gpio_direction_output(GPIO37_WLAN_RST, 1);
 754                 msleep(100);
 755         }
 756
 757         gpio_direction_output(GPIO19_WLAN_STRAP, 1);
 758         msleep(100);
 759
 760         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
 761
 762         gpio_direction_output(GPIO115_WLAN_PWEN, 0);
 763         msleep(100);
 764         gpio_set_value(GPIO115_WLAN_PWEN, 1);
 765         msleep(100);
 766
 767         spi->bits_per_word = 16;
 768         spi_setup(spi);
 769
 770         return 0;
 771
 772 err_free_strap:
 773         gpio_free(GPIO19_WLAN_STRAP);
 774 err_free_pwen:
 775         gpio_free(GPIO115_WLAN_PWEN);
 776
 777         return err;
 778 }
 779
 780 static int em_x270_libertas_teardown(struct spi_device *spi)
 781 {
 782         gpio_set_value(GPIO115_WLAN_PWEN, 0);
 783         gpio_free(GPIO115_WLAN_PWEN);
 784         gpio_free(GPIO19_WLAN_STRAP);
 785
 786         if (machine_is_exeda()) {
 787                 gpio_set_value(GPIO37_WLAN_RST, 0);
 788                 gpio_free(GPIO37_WLAN_RST);
 789         }
 790
 791         return 0;
 792 }
 793
 794 struct libertas_spi_platform_data em_x270_libertas_pdata = {
 795         .use_dummy_writes       = 1,
 796         .setup                  = em_x270_libertas_setup,
 797         .teardown               = em_x270_libertas_teardown,
 798 };
 799
 800 static struct spi_board_info em_x270_spi_devices[] __initdata = {
 801         {
 802                 .modalias               = "tdo24m",
 803                 .max_speed_hz           = 1000000,
 804                 .bus_num                = 1,
 805                 .chip_select            = 0,
 806                 .controller_data        = &em_x270_tdo24m_chip,
 807                 .platform_data          = &em_x270_tdo24m_pdata,
 808         },
 809         {
 810                 .modalias               = "libertas_spi",
 811                 .max_speed_hz           = 13000000,
 812                 .bus_num                = 2,
 813                 .irq                    = PXA_GPIO_TO_IRQ(116),
 814                 .chip_select            = 0,
 815                 .controller_data        = &em_x270_libertas_chip,
 816                 .platform_data          = &em_x270_libertas_pdata,
 817         },
 818 };
 819
 820 static void __init em_x270_init_spi(void)
 821 {
 822         pxa2xx_set_spi_info(1, &em_x270_spi_info);
 823         pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
 824         spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
 825 }
 826 #else
 827 static inline void em_x270_init_spi(void) {}
 828 #endif
 829
 830 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 831 static pxa2xx_audio_ops_t em_x270_ac97_info = {
 832         .reset_gpio = 113,
 833 };
 834
 835 static void __init em_x270_init_ac97(void)
 836 {
 837         pxa_set_ac97_info(&em_x270_ac97_info);
 838 }
 839 #else
 840 static inline void em_x270_init_ac97(void) {}
 841 #endif
 842
 843 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 844 static const unsigned int em_x270_module_matrix_keys[] = {
 845         KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
 846         KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
 847         KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
 848 };
 849
 850 static struct matrix_keymap_data em_x270_matrix_keymap_data = {
 851         .keymap                 = em_x270_module_matrix_keys,
 852         .keymap_size            = ARRAY_SIZE(em_x270_module_matrix_keys),
 853 };
 854
 855 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
 856         /* code map for the matrix keys */
 857         .matrix_key_rows        = 3,
 858         .matrix_key_cols        = 3,
 859         .matrix_keymap_data     = &em_x270_matrix_keymap_data,
 860 };
 861
 862 static const unsigned int em_x270_exeda_matrix_keys[] = {
 863         KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
 864         KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
 865         KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
 866         KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
 867
 868         KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
 869         KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
 870         KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
 871         KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
 872
 873         KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
 874         KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
 875         KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
 876         KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
 877
 878         KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
 879         KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
 880         KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
 881         KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
 882
 883         KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
 884         KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
 885         KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
 886         KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
 887
 888         KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
 889         KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
 890         KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
 891         KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
 892
 893         KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
 894         KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
 895         KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
 896         KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
 897
 898         KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
 899         KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
 900         KEY(7, 4, 0), KEY(7, 5, 0),
 901         KEY(7, 6, 0), KEY(7, 7, 0),
 902 };
 903
 904 static struct matrix_keymap_data em_x270_exeda_matrix_keymap_data = {
 905         .keymap                 = em_x270_exeda_matrix_keys,
 906         .keymap_size            = ARRAY_SIZE(em_x270_exeda_matrix_keys),
 907 };
 908
 909 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
 910         /* code map for the matrix keys */
 911         .matrix_key_rows        = 8,
 912         .matrix_key_cols        = 8,
 913         .matrix_keymap_data     = &em_x270_exeda_matrix_keymap_data,
 914 };
 915
 916 static void __init em_x270_init_keypad(void)
 917 {
 918         if (machine_is_em_x270())
 919                 pxa_set_keypad_info(&em_x270_module_keypad_info);
 920         else
 921                 pxa_set_keypad_info(&em_x270_exeda_keypad_info);
 922 }
 923 #else
 924 static inline void em_x270_init_keypad(void) {}
 925 #endif
 926
 927 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 928 static struct gpio_keys_button gpio_keys_button[] = {
 929         [0] = {
 930                 .desc   = "sleep/wakeup",
 931                 .code   = KEY_SUSPEND,
 932                 .type   = EV_PWR,
 933                 .gpio   = 1,
 934                 .wakeup = 1,
 935         },
 936 };
 937
 938 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
 939         .buttons        = gpio_keys_button,
 940         .nbuttons       = 1,
 941 };
 942
 943 static struct platform_device em_x270_gpio_keys = {
 944         .name           = "gpio-keys",
 945         .id             = -1,
 946         .dev            = {
 947                 .platform_data  = &em_x270_gpio_keys_data,
 948         },
 949 };
 950
 951 static void __init em_x270_init_gpio_keys(void)
 952 {
 953         platform_device_register(&em_x270_gpio_keys);
 954 }
 955 #else
 956 static inline void em_x270_init_gpio_keys(void) {}
 957 #endif
 958
 959 /* Quick Capture Interface and sensor setup */
 960 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
 961 static struct regulator *em_x270_camera_ldo;
 962
 963 static int em_x270_sensor_init(void)
 964 {
 965         int ret;
 966
 967         ret = gpio_request(cam_reset, "camera reset");
 968         if (ret)
 969                 return ret;
 970
 971         gpio_direction_output(cam_reset, 0);
 972
 973         em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
 974         if (em_x270_camera_ldo == NULL) {
 975                 gpio_free(cam_reset);
 976                 return -ENODEV;
 977         }
 978
 979         ret = regulator_enable(em_x270_camera_ldo);
 980         if (ret) {
 981                 regulator_put(em_x270_camera_ldo);
 982                 gpio_free(cam_reset);
 983                 return ret;
 984         }
 985
 986         gpio_set_value(cam_reset, 1);
 987
 988         return 0;
 989 }
 990
 991 struct pxacamera_platform_data em_x270_camera_platform_data = {
 992         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 993                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 994         .mclk_10khz = 2600,
 995 };
 996
 997 static int em_x270_sensor_power(struct device *dev, int on)
 998 {
 999         int ret;
1000         int is_on = regulator_is_enabled(em_x270_camera_ldo);
1001
1002         if (on == is_on)
1003                 return 0;
1004
1005         gpio_set_value(cam_reset, !on);
1006
1007         if (on)
1008                 ret = regulator_enable(em_x270_camera_ldo);
1009         else
1010                 ret = regulator_disable(em_x270_camera_ldo);
1011
1012         if (ret)
1013                 return ret;
1014
1015         gpio_set_value(cam_reset, on);
1016
1017         return 0;
1018 }
1019
1020 static struct i2c_board_info em_x270_i2c_cam_info[] = {
1021         {
1022                 I2C_BOARD_INFO("mt9m111", 0x48),
1023         },
1024 };
1025
1026 static struct soc_camera_link iclink = {
1027         .bus_id         = 0,
1028         .power          = em_x270_sensor_power,
1029         .board_info     = &em_x270_i2c_cam_info[0],
1030         .i2c_adapter_id = 0,
1031 };
1032
1033 static struct platform_device em_x270_camera = {
1034         .name   = "soc-camera-pdrv",
1035         .id     = -1,
1036         .dev    = {
1037                 .platform_data = &iclink,
1038         },
1039 };
1040
1041 static void  __init em_x270_init_camera(void)
1042 {
1043         if (em_x270_sensor_init() == 0) {
1044                 pxa_set_camera_info(&em_x270_camera_platform_data);
1045                 platform_device_register(&em_x270_camera);
1046         }
1047 }
1048 #else
1049 static inline void em_x270_init_camera(void) {}
1050 #endif
1051
1052 static struct regulator_bulk_data em_x270_gps_consumer_supply = {
1053         .supply         = "vcc gps",
1054 };
1055
1056 static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = {
1057         .name           = "vcc gps",
1058         .num_supplies   = 1,
1059         .supplies       = &em_x270_gps_consumer_supply,
1060 };
1061
1062 static struct platform_device em_x270_gps_userspace_consumer = {
1063         .name           = "reg-userspace-consumer",
1064         .id             = 0,
1065         .dev            = {
1066                 .platform_data = &em_x270_gps_consumer_data,
1067         },
1068 };
1069
1070 static struct regulator_bulk_data em_x270_gprs_consumer_supply = {
1071         .supply         = "vcc gprs",
1072 };
1073
1074 static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = {
1075         .name           = "vcc gprs",
1076         .num_supplies   = 1,
1077         .supplies       = &em_x270_gprs_consumer_supply
1078 };
1079
1080 static struct platform_device em_x270_gprs_userspace_consumer = {
1081         .name           = "reg-userspace-consumer",
1082         .id             = 1,
1083         .dev            = {
1084                 .platform_data = &em_x270_gprs_consumer_data,
1085         }
1086 };
1087
1088 static struct platform_device *em_x270_userspace_consumers[] = {
1089         &em_x270_gps_userspace_consumer,
1090         &em_x270_gprs_userspace_consumer,
1091 };
1092
1093 static void __init em_x270_userspace_consumers_init(void)
1094 {
1095         platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers));
1096 }
1097
1098 /* DA9030 related initializations */
1099 #define REGULATOR_CONSUMER(_name, _dev_name, _supply)                   \
1100         static struct regulator_consumer_supply _name##_consumers[] = { \
1101                 REGULATOR_SUPPLY(_supply, _dev_name),                   \
1102         }
1103
1104 REGULATOR_CONSUMER(ldo3, "reg-userspace-consumer.0", "vcc gps");
1105 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
1106 REGULATOR_CONSUMER(ldo10, "pxa2xx-mci", "vcc sdio");
1107 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
1108 REGULATOR_CONSUMER(ldo19, "reg-userspace-consumer.1", "vcc gprs");
1109 REGULATOR_CONSUMER(buck2, NULL, "vcc_core");
1110
1111 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)               \
1112         static struct regulator_init_data _ldo##_data = {               \
1113                 .constraints = {                                        \
1114                         .min_uV = _min_uV,                              \
1115                         .max_uV = _max_uV,                              \
1116                         .state_mem = {                                  \
1117                                 .enabled = 0,                           \
1118                         },                                              \
1119                         .valid_ops_mask = _ops_mask,                    \
1120                         .apply_uV = 1,                                  \
1121                 },                                                      \
1122                 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),  \
1123                 .consumer_supplies = _ldo##_consumers,                  \
1124         };
1125
1126 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1127 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1128 REGULATOR_INIT(ldo10, 2000000, 3200000,
1129                REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
1130 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1131 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1132 REGULATOR_INIT(buck2, 1000000, 1650000, REGULATOR_CHANGE_VOLTAGE);
1133
1134 struct led_info em_x270_led_info = {
1135         .name = "em-x270:orange",
1136         .default_trigger = "battery-charging-or-full",
1137 };
1138
1139 struct power_supply_info em_x270_psy_info = {
1140         .name = "battery",
1141         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
1142         .voltage_max_design = 4200000,
1143         .voltage_min_design = 3000000,
1144         .use_for_apm = 1,
1145 };
1146
1147 static void em_x270_battery_low(void)
1148 {
1149 #if defined(CONFIG_APM_EMULATION)
1150         apm_queue_event(APM_LOW_BATTERY);
1151 #endif
1152 }
1153
1154 static void em_x270_battery_critical(void)
1155 {
1156 #if defined(CONFIG_APM_EMULATION)
1157         apm_queue_event(APM_CRITICAL_SUSPEND);
1158 #endif
1159 }
1160
1161 struct da9030_battery_info em_x270_batterty_info = {
1162         .battery_info = &em_x270_psy_info,
1163
1164         .charge_milliamp = 1000,
1165         .charge_millivolt = 4200,
1166
1167         .vbat_low = 3600,
1168         .vbat_crit = 3400,
1169         .vbat_charge_start = 4100,
1170         .vbat_charge_stop = 4200,
1171         .vbat_charge_restart = 4000,
1172
1173         .vcharge_min = 3200,
1174         .vcharge_max = 5500,
1175
1176         .tbat_low = 197,
1177         .tbat_high = 78,
1178         .tbat_restart = 100,
1179
1180         .batmon_interval = 0,
1181
1182         .battery_low = em_x270_battery_low,
1183         .battery_critical = em_x270_battery_critical,
1184 };
1185
1186 #define DA9030_SUBDEV(_name, _id, _pdata)       \
1187         {                                       \
1188                 .name = "da903x-" #_name,       \
1189                 .id = DA9030_ID_##_id,          \
1190                 .platform_data = _pdata,        \
1191         }
1192
1193 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
1194
1195 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
1196         DA9030_LDO(3),
1197         DA9030_LDO(5),
1198         DA9030_LDO(10),
1199         DA9030_LDO(12),
1200         DA9030_LDO(19),
1201
1202         DA9030_SUBDEV(regulator, BUCK2, &buck2_data),
1203
1204         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
1205         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
1206         DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
1207 };
1208
1209 static struct da903x_platform_data em_x270_da9030_info = {
1210         .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
1211         .subdevs = em_x270_da9030_subdevs,
1212 };
1213
1214 static struct i2c_board_info em_x270_i2c_pmic_info = {
1215         I2C_BOARD_INFO("da9030", 0x49),
1216         .irq = PXA_GPIO_TO_IRQ(0),
1217         .platform_data = &em_x270_da9030_info,
1218 };
1219
1220 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
1221         .use_pio = 1,
1222 };
1223
1224 static void __init em_x270_init_da9030(void)
1225 {
1226         pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
1227         i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1228 }
1229
1230 static struct pca953x_platform_data exeda_gpio_ext_pdata = {
1231         .gpio_base = 128,
1232 };
1233
1234 static struct i2c_board_info exeda_i2c_info[] = {
1235         {
1236                 I2C_BOARD_INFO("pca9555", 0x21),
1237                 .platform_data = &exeda_gpio_ext_pdata,
1238         },
1239 };
1240
1241 static struct i2c_pxa_platform_data em_x270_i2c_info = {
1242         .fast_mode = 1,
1243 };
1244
1245 static void __init em_x270_init_i2c(void)
1246 {
1247         pxa_set_i2c_info(&em_x270_i2c_info);
1248
1249         if (machine_is_exeda())
1250                 i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info));
1251 }
1252
1253 static void __init em_x270_module_init(void)
1254 {
1255         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1256
1257         mmc_cd = GPIO13_MMC_CD;
1258         nand_rb = GPIO56_NAND_RB;
1259         dm9000_flags = DM9000_PLATF_32BITONLY;
1260         cam_reset = GPIO93_CAM_RESET;
1261         usb_hub_reset = GPIO16_USB_HUB_RESET;
1262 }
1263
1264 static void __init em_x270_exeda_init(void)
1265 {
1266         pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1267
1268         mmc_cd = GPIO114_MMC_CD;
1269         nand_rb = GPIO20_NAND_RB;
1270         dm9000_flags = DM9000_PLATF_16BITONLY;
1271         cam_reset = GPIO130_CAM_RESET;
1272         usb_hub_reset = GPIO10_USB_HUB_RESET;
1273 }
1274
1275 static void __init em_x270_init(void)
1276 {
1277         pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1278
1279         pxa_set_ffuart_info(NULL);
1280         pxa_set_btuart_info(NULL);
1281         pxa_set_stuart_info(NULL);
1282
1283 #ifdef CONFIG_PM
1284         pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
1285 #endif
1286
1287         if (machine_is_em_x270())
1288                 em_x270_module_init();
1289         else if (machine_is_exeda())
1290                 em_x270_exeda_init();
1291         else
1292                 panic("Unsupported machine: %d\n", machine_arch_type);
1293
1294         em_x270_init_da9030();
1295         em_x270_init_dm9000();
1296         em_x270_init_rtc();
1297         em_x270_init_nand();
1298         em_x270_init_nor();
1299         em_x270_init_lcd();
1300         em_x270_init_mmc();
1301         em_x270_init_ohci();
1302         em_x270_init_keypad();
1303         em_x270_init_gpio_keys();
1304         em_x270_init_ac97();
1305         em_x270_init_spi();
1306         em_x270_init_i2c();
1307         em_x270_init_camera();
1308         em_x270_userspace_consumers_init();
1309
1310         regulator_has_full_constraints();
1311 }
1312
1313 MACHINE_START(EM_X270, "Compulab EM-X270")
1314         .atag_offset    = 0x100,
1315         .map_io         = pxa27x_map_io,
1316         .nr_irqs        = PXA_NR_IRQS,
1317         .init_irq       = pxa27x_init_irq,
1318         .handle_irq     = pxa27x_handle_irq,
1319         .init_time      = pxa_timer_init,
1320         .init_machine   = em_x270_init,
1321         .restart        = pxa_restart,
1322 MACHINE_END
1323
1324 MACHINE_START(EXEDA, "Compulab eXeda")
1325         .atag_offset    = 0x100,
1326         .map_io         = pxa27x_map_io,
1327         .nr_irqs        = PXA_NR_IRQS,
1328         .init_irq       = pxa27x_init_irq,
1329         .handle_irq     = pxa27x_handle_irq,
1330         .init_time      = pxa_timer_init,
1331         .init_machine   = em_x270_init,
1332         .restart        = pxa_restart,
1333 MACHINE_END