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/platform_data/rtc-v3020.h>
  18 #include <linux/mtd/rawnand.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/regulator/fixed.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/spi/tdo24m.h>
  29 #include <linux/spi/libertas_spi.h>
  30 #include <linux/spi/pxa2xx_spi.h>
  31 #include <linux/power_supply.h>
  32 #include <linux/apm-emulation.h>
  33 #include <linux/i2c.h>
  34 #include <linux/platform_data/pca953x.h>
  35 #include <linux/i2c/pxa-i2c.h>
  36 #include <linux/regulator/userspace-consumer.h>
  37
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40
  41 #include "pxa27x.h"
  42 #include "pxa27x-udc.h"
  43 #include <mach/audio.h>
  44 #include <linux/platform_data/video-pxafb.h>
  45 #include <linux/platform_data/usb-ohci-pxa27x.h>
  46 #include <linux/platform_data/mmc-pxamci.h>
  47 #include <linux/platform_data/keypad-pxa27x.h>
  48 #include <linux/platform_data/media/camera-pxa.h>
  49
  50 #include "generic.h"
  51 #include "devices.h"
  52
  53 /* EM-X270 specific GPIOs */
  54 #define GPIO13_MMC_CD           (13)
  55 #define GPIO95_MMC_WP           (95)
  56 #define GPIO56_NAND_RB          (56)
  57 #define GPIO93_CAM_RESET        (93)
  58 #define GPIO16_USB_HUB_RESET    (16)
  59
  60 /* eXeda specific GPIOs */
  61 #define GPIO114_MMC_CD          (114)
  62 #define GPIO20_NAND_RB          (20)
  63 #define GPIO38_SD_PWEN          (38)
  64 #define GPIO37_WLAN_RST         (37)
  65 #define GPIO95_TOUCHPAD_INT     (95)
  66 #define GPIO130_CAM_RESET       (130)
  67 #define GPIO10_USB_HUB_RESET    (10)
  68
  69 /* common  GPIOs */
  70 #define GPIO11_NAND_CS          (11)
  71 #define GPIO41_ETHIRQ           (41)
  72 #define EM_X270_ETHIRQ          PXA_GPIO_TO_IRQ(GPIO41_ETHIRQ)
  73 #define GPIO115_WLAN_PWEN       (115)
  74 #define GPIO19_WLAN_STRAP       (19)
  75 #define GPIO9_USB_VBUS_EN       (9)
  76
  77 static int mmc_cd;
  78 static int nand_rb;
  79 static int dm9000_flags;
  80 static int cam_reset;
  81 static int usb_hub_reset;
  82
  83 static unsigned long common_pin_config[] = {
  84         /* AC'97 */
  85         GPIO28_AC97_BITCLK,
  86         GPIO29_AC97_SDATA_IN_0,
  87         GPIO30_AC97_SDATA_OUT,
  88         GPIO31_AC97_SYNC,
  89         GPIO98_AC97_SYSCLK,
  90         GPIO113_AC97_nRESET,
  91
  92         /* BTUART */
  93         GPIO42_BTUART_RXD,
  94         GPIO43_BTUART_TXD,
  95         GPIO44_BTUART_CTS,
  96         GPIO45_BTUART_RTS,
  97
  98         /* STUART */
  99         GPIO46_STUART_RXD,
 100         GPIO47_STUART_TXD,
 101
 102         /* MCI controller */
 103         GPIO32_MMC_CLK,
 104         GPIO112_MMC_CMD,
 105         GPIO92_MMC_DAT_0,
 106         GPIO109_MMC_DAT_1,
 107         GPIO110_MMC_DAT_2,
 108         GPIO111_MMC_DAT_3,
 109
 110         /* LCD */
 111         GPIOxx_LCD_TFT_16BPP,
 112
 113         /* QCI */
 114         GPIO84_CIF_FV,
 115         GPIO25_CIF_LV,
 116         GPIO53_CIF_MCLK,
 117         GPIO54_CIF_PCLK,
 118         GPIO81_CIF_DD_0,
 119         GPIO55_CIF_DD_1,
 120         GPIO51_CIF_DD_2,
 121         GPIO50_CIF_DD_3,
 122         GPIO52_CIF_DD_4,
 123         GPIO48_CIF_DD_5,
 124         GPIO17_CIF_DD_6,
 125         GPIO12_CIF_DD_7,
 126
 127         /* I2C */
 128         GPIO117_I2C_SCL,
 129         GPIO118_I2C_SDA,
 130
 131         /* Keypad */
 132         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 133         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 134         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 135         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 136         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 137         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 138         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
 139         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
 140         GPIO103_KP_MKOUT_0,
 141         GPIO104_KP_MKOUT_1,
 142         GPIO105_KP_MKOUT_2,
 143         GPIO106_KP_MKOUT_3,
 144         GPIO107_KP_MKOUT_4,
 145         GPIO108_KP_MKOUT_5,
 146         GPIO96_KP_MKOUT_6,
 147         GPIO22_KP_MKOUT_7,
 148
 149         /* SSP1 */
 150         GPIO26_SSP1_RXD,
 151         GPIO23_SSP1_SCLK,
 152         GPIO24_SSP1_SFRM,
 153         GPIO57_SSP1_TXD,
 154
 155         /* SSP2 */
 156         GPIO19_GPIO,    /* SSP2 clock is used as GPIO for Libertas pin-strap */
 157         GPIO14_GPIO,
 158         GPIO89_SSP2_TXD,
 159         GPIO88_SSP2_RXD,
 160
 161         /* SDRAM and local bus */
 162         GPIO15_nCS_1,
 163         GPIO78_nCS_2,
 164         GPIO79_nCS_3,
 165         GPIO80_nCS_4,
 166         GPIO49_nPWE,
 167         GPIO18_RDY,
 168
 169         /* GPIO */
 170         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
 171
 172         /* power controls */
 173         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
 174         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
 175
 176         /* NAND controls */
 177         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
 178
 179         /* interrupts */
 180         GPIO41_GPIO,    /* DM9000 interrupt */
 181 };
 182
 183 static unsigned long em_x270_pin_config[] = {
 184         GPIO13_GPIO,                            /* MMC card detect */
 185         GPIO16_GPIO,                            /* USB hub reset */
 186         GPIO56_GPIO,                            /* NAND Ready/Busy */
 187         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
 188         GPIO95_GPIO,                            /* MMC Write protect */
 189 };
 190
 191 static unsigned long exeda_pin_config[] = {
 192         GPIO10_GPIO,                            /* USB hub reset */
 193         GPIO20_GPIO,                            /* NAND Ready/Busy */
 194         GPIO38_GPIO     | MFP_LPM_DRIVE_LOW,    /* SD slot power */
 195         GPIO95_GPIO,                            /* touchpad IRQ */
 196         GPIO114_GPIO,                           /* MMC card detect */
 197 };
 198
 199 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 200 static struct resource em_x270_dm9000_resource[] = {
 201         [0] = {
 202                 .start = PXA_CS2_PHYS,
 203                 .end   = PXA_CS2_PHYS + 3,
 204                 .flags = IORESOURCE_MEM,
 205         },
 206         [1] = {
 207                 .start = PXA_CS2_PHYS + 8,
 208                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
 209                 .flags = IORESOURCE_MEM,
 210         },
 211         [2] = {
 212                 .start = EM_X270_ETHIRQ,
 213                 .end   = EM_X270_ETHIRQ,
 214                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 215         }
 216 };
 217
 218 static struct dm9000_plat_data em_x270_dm9000_platdata = {
 219         .flags          = DM9000_PLATF_NO_EEPROM,
 220 };
 221
 222 static struct platform_device em_x270_dm9000 = {
 223         .name           = "dm9000",
 224         .id             = 0,
 225         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
 226         .resource       = em_x270_dm9000_resource,
 227         .dev            = {
 228                 .platform_data = &em_x270_dm9000_platdata,
 229         }
 230 };
 231
 232 static void __init em_x270_init_dm9000(void)
 233 {
 234         em_x270_dm9000_platdata.flags |= dm9000_flags;
 235         platform_device_register(&em_x270_dm9000);
 236 }
 237 #else
 238 static inline void em_x270_init_dm9000(void) {}
 239 #endif
 240
 241 /* V3020 RTC */
 242 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 243 static struct resource em_x270_v3020_resource[] = {
 244         [0] = {
 245                 .start = PXA_CS4_PHYS,
 246                 .end   = PXA_CS4_PHYS + 3,
 247                 .flags = IORESOURCE_MEM,
 248         },
 249 };
 250
 251 static struct v3020_platform_data em_x270_v3020_platdata = {
 252         .leftshift = 0,
 253 };
 254
 255 static struct platform_device em_x270_rtc = {
 256         .name           = "v3020",
 257         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
 258         .resource       = em_x270_v3020_resource,
 259         .id             = -1,
 260         .dev            = {
 261                 .platform_data = &em_x270_v3020_platdata,
 262         }
 263 };
 264
 265 static void __init em_x270_init_rtc(void)
 266 {
 267         platform_device_register(&em_x270_rtc);
 268 }
 269 #else
 270 static inline void em_x270_init_rtc(void) {}
 271 #endif
 272
 273 /* NAND flash */
 274 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 275 static inline void nand_cs_on(void)
 276 {
 277         gpio_set_value(GPIO11_NAND_CS, 0);
 278 }
 279
 280 static void nand_cs_off(void)
 281 {
 282         dsb();
 283
 284         gpio_set_value(GPIO11_NAND_CS, 1);
 285 }
 286
 287 /* hardware specific access to control-lines */
 288 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
 289                                  unsigned int ctrl)
 290 {
 291         struct nand_chip *this = mtd_to_nand(mtd);
 292         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 293
 294         dsb();
 295
 296         if (ctrl & NAND_CTRL_CHANGE) {
 297                 if (ctrl & NAND_ALE)
 298                         nandaddr |=  (1 << 3);
 299                 else
 300                         nandaddr &= ~(1 << 3);
 301                 if (ctrl & NAND_CLE)
 302                         nandaddr |=  (1 << 2);
 303                 else
 304                         nandaddr &= ~(1 << 2);
 305                 if (ctrl & NAND_NCE)
 306                         nand_cs_on();
 307                 else
 308                         nand_cs_off();
 309         }
 310
 311         dsb();
 312         this->IO_ADDR_W = (void __iomem *)nandaddr;
 313         if (dat != NAND_CMD_NONE)
 314                 writel(dat, this->IO_ADDR_W);
 315
 316         dsb();
 317 }
 318
 319 /* read device ready pin */
 320 static int em_x270_nand_device_ready(struct mtd_info *mtd)
 321 {
 322         dsb();
 323
 324         return gpio_get_value(nand_rb);
 325 }
 326
 327 static struct mtd_partition em_x270_partition_info[] = {
 328         [0] = {
 329                 .name   = "em_x270-0",
 330                 .offset = 0,
 331                 .size   = SZ_4M,
 332         },
 333         [1] = {
 334                 .name   = "em_x270-1",
 335                 .offset = MTDPART_OFS_APPEND,
 336                 .size   = MTDPART_SIZ_FULL
 337         },
 338 };
 339
 340 struct platform_nand_data em_x270_nand_platdata = {
 341         .chip = {
 342                 .nr_chips = 1,
 343                 .chip_offset = 0,
 344                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
 345                 .partitions = em_x270_partition_info,
 346                 .chip_delay = 20,
 347         },
 348         .ctrl = {
 349                 .hwcontrol = 0,
 350                 .dev_ready = em_x270_nand_device_ready,
 351                 .select_chip = 0,
 352                 .cmd_ctrl = em_x270_nand_cmd_ctl,
 353         },
 354 };
 355
 356 static struct resource em_x270_nand_resource[] = {
 357         [0] = {
 358                 .start = PXA_CS1_PHYS,
 359                 .end   = PXA_CS1_PHYS + 12,
 360                 .flags = IORESOURCE_MEM,
 361         },
 362 };
 363
 364 static struct platform_device em_x270_nand = {
 365         .name           = "gen_nand",
 366         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
 367         .resource       = em_x270_nand_resource,
 368         .id             = -1,
 369         .dev            = {
 370                 .platform_data = &em_x270_nand_platdata,
 371         }
 372 };
 373
 374 static void __init em_x270_init_nand(void)
 375 {
 376         int err;
 377
 378         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
 379         if (err) {
 380                 pr_warn("EM-X270: failed to request NAND CS gpio\n");
 381                 return;
 382         }
 383
 384         gpio_direction_output(GPIO11_NAND_CS, 1);
 385
 386         err = gpio_request(nand_rb, "NAND R/B");
 387         if (err) {
 388                 pr_warn("EM-X270: failed to request NAND R/B gpio\n");
 389                 gpio_free(GPIO11_NAND_CS);
 390                 return;
 391         }
 392
 393         gpio_direction_input(nand_rb);
 394
 395         platform_device_register(&em_x270_nand);
 396 }
 397 #else
 398 static inline void em_x270_init_nand(void) {}
 399 #endif
 400
 401 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 402 static struct mtd_partition em_x270_nor_parts[] = {
 403         {
 404                 .name =         "Bootloader",
 405                 .offset =       0x00000000,
 406                 .size =         0x00050000,
 407                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 408         }, {
 409                 .name =         "Environment",
 410                 .offset =       0x00050000,
 411                 .size =         0x00010000,
 412         }, {
 413                 .name =         "Reserved",
 414                 .offset =       0x00060000,
 415                 .size =         0x00050000,
 416                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 417         }, {
 418                 .name =         "Splashscreen",
 419                 .offset =       0x000b0000,
 420                 .size =         0x00050000,
 421         }
 422 };
 423
 424 static struct physmap_flash_data em_x270_nor_data[] = {
 425         [0] = {
 426                 .width = 2,
 427                 .parts = em_x270_nor_parts,
 428                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
 429         },
 430 };
 431
 432 static struct resource em_x270_nor_flash_resource = {
 433         .start  = PXA_CS0_PHYS,
 434         .end    = PXA_CS0_PHYS + SZ_1M - 1,
 435         .flags  = IORESOURCE_MEM,
 436 };
 437
 438 static struct platform_device em_x270_physmap_flash = {
 439         .name           = "physmap-flash",
 440         .id             = 0,
 441         .num_resources  = 1,
 442         .resource       = &em_x270_nor_flash_resource,
 443         .dev            = {
 444                 .platform_data  = &em_x270_nor_data,
 445         },
 446 };
 447
 448 static void __init em_x270_init_nor(void)
 449 {
 450         platform_device_register(&em_x270_physmap_flash);
 451 }
 452 #else
 453 static inline void em_x270_init_nor(void) {}
 454 #endif
 455
 456 /* PXA27x OHCI controller setup */
 457 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 458 static struct regulator *em_x270_usb_ldo;
 459
 460 static int em_x270_usb_hub_init(void)
 461 {
 462         int err;
 463
 464         em_x270_usb_ldo = regulator_get(NULL, "vcc usb");
 465         if (IS_ERR(em_x270_usb_ldo))
 466                 return PTR_ERR(em_x270_usb_ldo);
 467
 468         err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en");
 469         if (err)
 470                 goto err_free_usb_ldo;
 471
 472         err = gpio_request(usb_hub_reset, "hub rst");
 473         if (err)
 474                 goto err_free_vbus_gpio;
 475
 476         /* USB Hub power-on and reset */
 477         gpio_direction_output(usb_hub_reset, 1);
 478         gpio_direction_output(GPIO9_USB_VBUS_EN, 0);
 479         err = regulator_enable(em_x270_usb_ldo);
 480         if (err)
 481                 goto err_free_rst_gpio;
 482
 483         gpio_set_value(usb_hub_reset, 0);
 484         gpio_set_value(usb_hub_reset, 1);
 485         regulator_disable(em_x270_usb_ldo);
 486         err = regulator_enable(em_x270_usb_ldo);
 487         if (err)
 488                 goto err_free_rst_gpio;
 489
 490         gpio_set_value(usb_hub_reset, 0);
 491         gpio_set_value(GPIO9_USB_VBUS_EN, 1);
 492
 493         return 0;
 494
 495 err_free_rst_gpio:
 496         gpio_free(usb_hub_reset);
 497 err_free_vbus_gpio:
 498         gpio_free(GPIO9_USB_VBUS_EN);
 499 err_free_usb_ldo:
 500         regulator_put(em_x270_usb_ldo);
 501
 502         return err;
 503 }
 504
 505 static int em_x270_ohci_init(struct device *dev)
 506 {
 507         int err;
 508
 509         /* we don't want to entirely disable USB if the HUB init failed */
 510         err = em_x270_usb_hub_init();
 511         if (err)
 512                 pr_err("USB Hub initialization failed: %d\n", err);
 513
 514         /* enable port 2 transiever */
 515         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
 516
 517         return 0;
 518 }
 519
 520 static void em_x270_ohci_exit(struct device *dev)
 521 {
 522         gpio_free(usb_hub_reset);
 523         gpio_free(GPIO9_USB_VBUS_EN);
 524
 525         if (!IS_ERR(em_x270_usb_ldo)) {
 526                 if (regulator_is_enabled(em_x270_usb_ldo))
 527                         regulator_disable(em_x270_usb_ldo);
 528
 529                 regulator_put(em_x270_usb_ldo);
 530         }
 531 }
 532
 533 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
 534         .port_mode      = PMM_PERPORT_MODE,
 535         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 536         .init           = em_x270_ohci_init,
 537         .exit           = em_x270_ohci_exit,
 538 };
 539
 540 static void __init em_x270_init_ohci(void)
 541 {
 542         pxa_set_ohci_info(&em_x270_ohci_platform_data);
 543 }
 544 #else
 545 static inline void em_x270_init_ohci(void) {}
 546 #endif
 547
 548 /* MCI controller setup */
 549 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 550 static struct regulator *em_x270_sdio_ldo;
 551
 552 static int em_x270_mci_init(struct device *dev,
 553                             irq_handler_t em_x270_detect_int,
 554                             void *data)
 555 {
 556         int err;
 557
 558         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
 559         if (IS_ERR(em_x270_sdio_ldo)) {
 560                 dev_err(dev, "can't request SDIO power supply: %ld\n",
 561                         PTR_ERR(em_x270_sdio_ldo));
 562                 return PTR_ERR(em_x270_sdio_ldo);
 563         }
 564
 565         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
 566                               IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 567                               "MMC card detect", data);
 568         if (err) {
 569                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
 570                 goto err_irq;
 571         }
 572
 573         if (machine_is_em_x270()) {
 574                 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
 575                 if (err) {
 576                         dev_err(dev, "can't request MMC write protect: %d\n",
 577                                 err);
 578                         goto err_gpio_wp;
 579                 }
 580                 gpio_direction_input(GPIO95_MMC_WP);
 581         } else {
 582                 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
 583                 if (err) {
 584                         dev_err(dev, "can't request MMC power control : %d\n",
 585                                 err);
 586                         goto err_gpio_wp;
 587                 }
 588                 gpio_direction_output(GPIO38_SD_PWEN, 1);
 589         }
 590
 591         return 0;
 592
 593 err_gpio_wp:
 594         free_irq(gpio_to_irq(mmc_cd), data);
 595 err_irq:
 596         regulator_put(em_x270_sdio_ldo);
 597
 598         return err;
 599 }
 600
 601 static int em_x270_mci_setpower(struct device *dev, unsigned int vdd)
 602 {
 603         struct pxamci_platform_data* p_d = dev->platform_data;
 604
 605         if ((1 << vdd) & p_d->ocr_mask) {
 606                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
 607
 608                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
 609                 return regulator_enable(em_x270_sdio_ldo);
 610         } else {
 611                 regulator_disable(em_x270_sdio_ldo);
 612         }
 613         return 0;
 614 }
 615
 616 static void em_x270_mci_exit(struct device *dev, void *data)
 617 {
 618         free_irq(gpio_to_irq(mmc_cd), data);
 619         regulator_put(em_x270_sdio_ldo);
 620
 621         if (machine_is_em_x270())
 622                 gpio_free(GPIO95_MMC_WP);
 623         else
 624                 gpio_free(GPIO38_SD_PWEN);
 625 }
 626
 627 static int em_x270_mci_get_ro(struct device *dev)
 628 {
 629         return gpio_get_value(GPIO95_MMC_WP);
 630 }
 631
 632 static struct pxamci_platform_data em_x270_mci_platform_data = {
 633         .detect_delay_ms        = 250,
 634         .ocr_mask               = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
 635                                   MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
 636                                   MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
 637                                   MMC_VDD_30_31|MMC_VDD_31_32,
 638         .init                   = em_x270_mci_init,
 639         .setpower               = em_x270_mci_setpower,
 640         .exit                   = em_x270_mci_exit,
 641         .gpio_card_detect       = -1,
 642         .gpio_card_ro           = -1,
 643         .gpio_power             = -1,
 644 };
 645
 646 static void __init em_x270_init_mmc(void)
 647 {
 648         if (machine_is_em_x270())
 649                 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
 650
 651         pxa_set_mci_info(&em_x270_mci_platform_data);
 652 }
 653 #else
 654 static inline void em_x270_init_mmc(void) {}
 655 #endif
 656
 657 /* LCD */
 658 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 659 static struct pxafb_mode_info em_x270_lcd_modes[] = {
 660         [0] = {
 661                 .pixclock       = 38250,
 662                 .bpp            = 16,
 663                 .xres           = 480,
 664                 .yres           = 640,
 665                 .hsync_len      = 8,
 666                 .vsync_len      = 2,
 667                 .left_margin    = 8,
 668                 .upper_margin   = 2,
 669                 .right_margin   = 24,
 670                 .lower_margin   = 4,
 671                 .sync           = 0,
 672         },
 673         [1] = {
 674                 .pixclock       = 153800,
 675                 .bpp            = 16,
 676                 .xres           = 240,
 677                 .yres           = 320,
 678                 .hsync_len      = 8,
 679                 .vsync_len      = 2,
 680                 .left_margin    = 8,
 681                 .upper_margin   = 2,
 682                 .right_margin   = 88,
 683                 .lower_margin   = 2,
 684                 .sync           = 0,
 685         },
 686 };
 687
 688 static struct pxafb_mach_info em_x270_lcd = {
 689         .modes          = em_x270_lcd_modes,
 690         .num_modes      = 2,
 691         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 692 };
 693
 694 static void __init em_x270_init_lcd(void)
 695 {
 696         pxa_set_fb_info(NULL, &em_x270_lcd);
 697 }
 698 #else
 699 static inline void em_x270_init_lcd(void) {}
 700 #endif
 701
 702 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 703 static struct pxa2xx_spi_master em_x270_spi_info = {
 704         .num_chipselect = 1,
 705 };
 706
 707 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
 708         .rx_threshold   = 1,
 709         .tx_threshold   = 1,
 710         .gpio_cs        = -1,
 711 };
 712
 713 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
 714         .model = TDO35S,
 715 };
 716
 717 static struct pxa2xx_spi_master em_x270_spi_2_info = {
 718         .num_chipselect = 1,
 719         .enable_dma     = 1,
 720 };
 721
 722 static struct pxa2xx_spi_chip em_x270_libertas_chip = {
 723         .rx_threshold   = 1,
 724         .tx_threshold   = 1,
 725         .timeout        = 1000,
 726         .gpio_cs        = 14,
 727 };
 728
 729 static unsigned long em_x270_libertas_pin_config[] = {
 730         /* SSP2 */
 731         GPIO19_SSP2_SCLK,
 732         GPIO14_GPIO,
 733         GPIO89_SSP2_TXD,
 734         GPIO88_SSP2_RXD,
 735 };
 736
 737 static int em_x270_libertas_setup(struct spi_device *spi)
 738 {
 739         int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
 740         if (err)
 741                 return err;
 742
 743         err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
 744         if (err)
 745                 goto err_free_pwen;
 746
 747         if (machine_is_exeda()) {
 748                 err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
 749                 if (err)
 750                         goto err_free_strap;
 751
 752                 gpio_direction_output(GPIO37_WLAN_RST, 1);
 753                 msleep(100);
 754         }
 755
 756         gpio_direction_output(GPIO19_WLAN_STRAP, 1);
 757         msleep(100);
 758
 759         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
 760
 761         gpio_direction_output(GPIO115_WLAN_PWEN, 0);
 762         msleep(100);
 763         gpio_set_value(GPIO115_WLAN_PWEN, 1);
 764         msleep(100);
 765
 766         spi->bits_per_word = 16;
 767         spi_setup(spi);
 768
 769         return 0;
 770
 771 err_free_strap:
 772         gpio_free(GPIO19_WLAN_STRAP);
 773 err_free_pwen:
 774         gpio_free(GPIO115_WLAN_PWEN);
 775
 776         return err;
 777 }
 778
 779 static int em_x270_libertas_teardown(struct spi_device *spi)
 780 {
 781         gpio_set_value(GPIO115_WLAN_PWEN, 0);
 782         gpio_free(GPIO115_WLAN_PWEN);
 783         gpio_free(GPIO19_WLAN_STRAP);
 784
 785         if (machine_is_exeda()) {
 786                 gpio_set_value(GPIO37_WLAN_RST, 0);
 787                 gpio_free(GPIO37_WLAN_RST);
 788         }
 789
 790         return 0;
 791 }
 792
 793 struct libertas_spi_platform_data em_x270_libertas_pdata = {
 794         .use_dummy_writes       = 1,
 795         .setup                  = em_x270_libertas_setup,
 796         .teardown               = em_x270_libertas_teardown,
 797 };
 798
 799 static struct spi_board_info em_x270_spi_devices[] __initdata = {
 800         {
 801                 .modalias               = "tdo24m",
 802                 .max_speed_hz           = 1000000,
 803                 .bus_num                = 1,
 804                 .chip_select            = 0,
 805                 .controller_data        = &em_x270_tdo24m_chip,
 806                 .platform_data          = &em_x270_tdo24m_pdata,
 807         },
 808         {
 809                 .modalias               = "libertas_spi",
 810                 .max_speed_hz           = 13000000,
 811                 .bus_num                = 2,
 812                 .irq                    = PXA_GPIO_TO_IRQ(116),
 813                 .chip_select            = 0,
 814                 .controller_data        = &em_x270_libertas_chip,
 815                 .platform_data          = &em_x270_libertas_pdata,
 816         },
 817 };
 818
 819 static void __init em_x270_init_spi(void)
 820 {
 821         pxa2xx_set_spi_info(1, &em_x270_spi_info);
 822         pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
 823         spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
 824 }
 825 #else
 826 static inline void em_x270_init_spi(void) {}
 827 #endif
 828
 829 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 830 static pxa2xx_audio_ops_t em_x270_ac97_info = {
 831         .reset_gpio = 113,
 832 };
 833
 834 static void __init em_x270_init_ac97(void)
 835 {
 836         pxa_set_ac97_info(&em_x270_ac97_info);
 837 }
 838 #else
 839 static inline void em_x270_init_ac97(void) {}
 840 #endif
 841
 842 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 843 static const unsigned int em_x270_module_matrix_keys[] = {
 844         KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
 845         KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
 846         KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
 847 };
 848
 849 static struct matrix_keymap_data em_x270_matrix_keymap_data = {
 850         .keymap                 = em_x270_module_matrix_keys,
 851         .keymap_size            = ARRAY_SIZE(em_x270_module_matrix_keys),
 852 };
 853
 854 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
 855         /* code map for the matrix keys */
 856         .matrix_key_rows        = 3,
 857         .matrix_key_cols        = 3,
 858         .matrix_keymap_data     = &em_x270_matrix_keymap_data,
 859 };
 860
 861 static const unsigned int em_x270_exeda_matrix_keys[] = {
 862         KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
 863         KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
 864         KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
 865         KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
 866
 867         KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
 868         KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
 869         KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
 870         KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
 871
 872         KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
 873         KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
 874         KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
 875         KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
 876
 877         KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
 878         KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
 879         KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
 880         KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
 881
 882         KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
 883         KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
 884         KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
 885         KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
 886
 887         KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
 888         KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
 889         KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
 890         KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
 891
 892         KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
 893         KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
 894         KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
 895         KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
 896
 897         KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
 898         KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
 899         KEY(7, 4, 0), KEY(7, 5, 0),
 900         KEY(7, 6, 0), KEY(7, 7, 0),
 901 };
 902
 903 static struct matrix_keymap_data em_x270_exeda_matrix_keymap_data = {
 904         .keymap                 = em_x270_exeda_matrix_keys,
 905         .keymap_size            = ARRAY_SIZE(em_x270_exeda_matrix_keys),
 906 };
 907
 908 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
 909         /* code map for the matrix keys */
 910         .matrix_key_rows        = 8,
 911         .matrix_key_cols        = 8,
 912         .matrix_keymap_data     = &em_x270_exeda_matrix_keymap_data,
 913 };
 914
 915 static void __init em_x270_init_keypad(void)
 916 {
 917         if (machine_is_em_x270())
 918                 pxa_set_keypad_info(&em_x270_module_keypad_info);
 919         else
 920                 pxa_set_keypad_info(&em_x270_exeda_keypad_info);
 921 }
 922 #else
 923 static inline void em_x270_init_keypad(void) {}
 924 #endif
 925
 926 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 927 static struct gpio_keys_button gpio_keys_button[] = {
 928         [0] = {
 929                 .desc   = "sleep/wakeup",
 930                 .code   = KEY_SUSPEND,
 931                 .type   = EV_PWR,
 932                 .gpio   = 1,
 933                 .wakeup = 1,
 934         },
 935 };
 936
 937 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
 938         .buttons        = gpio_keys_button,
 939         .nbuttons       = 1,
 940 };
 941
 942 static struct platform_device em_x270_gpio_keys = {
 943         .name           = "gpio-keys",
 944         .id             = -1,
 945         .dev            = {
 946                 .platform_data  = &em_x270_gpio_keys_data,
 947         },
 948 };
 949
 950 static void __init em_x270_init_gpio_keys(void)
 951 {
 952         platform_device_register(&em_x270_gpio_keys);
 953 }
 954 #else
 955 static inline void em_x270_init_gpio_keys(void) {}
 956 #endif
 957
 958 /* Quick Capture Interface and sensor setup */
 959 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
 960 static int em_x270_sensor_init(void)
 961 {
 962         int ret;
 963
 964         ret = gpio_request(cam_reset, "camera reset");
 965         if (ret)
 966                 return ret;
 967
 968         gpio_direction_output(cam_reset, 0);
 969         gpio_set_value(cam_reset, 1);
 970
 971         return 0;
 972 }
 973
 974 static struct regulator_consumer_supply camera_dummy_supplies[] = {
 975         REGULATOR_SUPPLY("vdd", "0-005d"),
 976 };
 977
 978 static struct regulator_init_data camera_dummy_initdata = {
 979         .consumer_supplies = camera_dummy_supplies,
 980         .num_consumer_supplies = ARRAY_SIZE(camera_dummy_supplies),
 981         .constraints = {
 982                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 983         },
 984 };
 985
 986 static struct fixed_voltage_config camera_dummy_config = {
 987         .supply_name            = "camera_vdd",
 988         .input_supply           = "vcc cam",
 989         .microvolts             = 2800000,
 990         .gpio                   = -1,
 991         .enable_high            = 0,
 992         .init_data              = &camera_dummy_initdata,
 993 };
 994
 995 static struct platform_device camera_supply_dummy_device = {
 996         .name   = "reg-fixed-voltage",
 997         .id     = 1,
 998         .dev    = {
 999                 .platform_data = &camera_dummy_config,
1000         },
1001 };
1002
1003 struct pxacamera_platform_data em_x270_camera_platform_data = {
1004         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
1005                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
1006         .mclk_10khz = 2600,
1007         .sensor_i2c_adapter_id = 0,
1008         .sensor_i2c_address = 0x5d,
1009 };
1010
1011 static void  __init em_x270_init_camera(void)
1012 {
1013         if (em_x270_sensor_init() == 0)
1014                 pxa_set_camera_info(&em_x270_camera_platform_data);
1015         platform_device_register(&camera_supply_dummy_device);
1016 }
1017 #else
1018 static inline void em_x270_init_camera(void) {}
1019 #endif
1020
1021 static struct regulator_bulk_data em_x270_gps_consumer_supply = {
1022         .supply         = "vcc gps",
1023 };
1024
1025 static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = {
1026         .name           = "vcc gps",
1027         .num_supplies   = 1,
1028         .supplies       = &em_x270_gps_consumer_supply,
1029 };
1030
1031 static struct platform_device em_x270_gps_userspace_consumer = {
1032         .name           = "reg-userspace-consumer",
1033         .id             = 0,
1034         .dev            = {
1035                 .platform_data = &em_x270_gps_consumer_data,
1036         },
1037 };
1038
1039 static struct regulator_bulk_data em_x270_gprs_consumer_supply = {
1040         .supply         = "vcc gprs",
1041 };
1042
1043 static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = {
1044         .name           = "vcc gprs",
1045         .num_supplies   = 1,
1046         .supplies       = &em_x270_gprs_consumer_supply
1047 };
1048
1049 static struct platform_device em_x270_gprs_userspace_consumer = {
1050         .name           = "reg-userspace-consumer",
1051         .id             = 1,
1052         .dev            = {
1053                 .platform_data = &em_x270_gprs_consumer_data,
1054         }
1055 };
1056
1057 static struct platform_device *em_x270_userspace_consumers[] = {
1058         &em_x270_gps_userspace_consumer,
1059         &em_x270_gprs_userspace_consumer,
1060 };
1061
1062 static void __init em_x270_userspace_consumers_init(void)
1063 {
1064         platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers));
1065 }
1066
1067 /* DA9030 related initializations */
1068 #define REGULATOR_CONSUMER(_name, _dev_name, _supply)                   \
1069         static struct regulator_consumer_supply _name##_consumers[] = { \
1070                 REGULATOR_SUPPLY(_supply, _dev_name),                   \
1071         }
1072
1073 REGULATOR_CONSUMER(ldo3, "reg-userspace-consumer.0", "vcc gps");
1074 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
1075 REGULATOR_CONSUMER(ldo10, "pxa2xx-mci", "vcc sdio");
1076 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
1077 REGULATOR_CONSUMER(ldo19, "reg-userspace-consumer.1", "vcc gprs");
1078 REGULATOR_CONSUMER(buck2, NULL, "vcc_core");
1079
1080 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)               \
1081         static struct regulator_init_data _ldo##_data = {               \
1082                 .constraints = {                                        \
1083                         .min_uV = _min_uV,                              \
1084                         .max_uV = _max_uV,                              \
1085                         .state_mem = {                                  \
1086                                 .enabled = 0,                           \
1087                         },                                              \
1088                         .valid_ops_mask = _ops_mask,                    \
1089                         .apply_uV = 1,                                  \
1090                 },                                                      \
1091                 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),  \
1092                 .consumer_supplies = _ldo##_consumers,                  \
1093         };
1094
1095 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1096 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1097 REGULATOR_INIT(ldo10, 2000000, 3200000,
1098                REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
1099 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1100 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1101 REGULATOR_INIT(buck2, 1000000, 1650000, REGULATOR_CHANGE_VOLTAGE);
1102
1103 struct led_info em_x270_led_info = {
1104         .name = "em-x270:orange",
1105         .default_trigger = "battery-charging-or-full",
1106 };
1107
1108 struct power_supply_info em_x270_psy_info = {
1109         .name = "battery",
1110         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
1111         .voltage_max_design = 4200000,
1112         .voltage_min_design = 3000000,
1113         .use_for_apm = 1,
1114 };
1115
1116 static void em_x270_battery_low(void)
1117 {
1118 #if defined(CONFIG_APM_EMULATION)
1119         apm_queue_event(APM_LOW_BATTERY);
1120 #endif
1121 }
1122
1123 static void em_x270_battery_critical(void)
1124 {
1125 #if defined(CONFIG_APM_EMULATION)
1126         apm_queue_event(APM_CRITICAL_SUSPEND);
1127 #endif
1128 }
1129
1130 struct da9030_battery_info em_x270_batterty_info = {
1131         .battery_info = &em_x270_psy_info,
1132
1133         .charge_milliamp = 1000,
1134         .charge_millivolt = 4200,
1135
1136         .vbat_low = 3600,
1137         .vbat_crit = 3400,
1138         .vbat_charge_start = 4100,
1139         .vbat_charge_stop = 4200,
1140         .vbat_charge_restart = 4000,
1141
1142         .vcharge_min = 3200,
1143         .vcharge_max = 5500,
1144
1145         .tbat_low = 197,
1146         .tbat_high = 78,
1147         .tbat_restart = 100,
1148
1149         .batmon_interval = 0,
1150
1151         .battery_low = em_x270_battery_low,
1152         .battery_critical = em_x270_battery_critical,
1153 };
1154
1155 #define DA9030_SUBDEV(_name, _id, _pdata)       \
1156         {                                       \
1157                 .name = "da903x-" #_name,       \
1158                 .id = DA9030_ID_##_id,          \
1159                 .platform_data = _pdata,        \
1160         }
1161
1162 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
1163
1164 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
1165         DA9030_LDO(3),
1166         DA9030_LDO(5),
1167         DA9030_LDO(10),
1168         DA9030_LDO(12),
1169         DA9030_LDO(19),
1170
1171         DA9030_SUBDEV(regulator, BUCK2, &buck2_data),
1172
1173         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
1174         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
1175         DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
1176 };
1177
1178 static struct da903x_platform_data em_x270_da9030_info = {
1179         .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
1180         .subdevs = em_x270_da9030_subdevs,
1181 };
1182
1183 static struct i2c_board_info em_x270_i2c_pmic_info = {
1184         I2C_BOARD_INFO("da9030", 0x49),
1185         .irq = PXA_GPIO_TO_IRQ(0),
1186         .platform_data = &em_x270_da9030_info,
1187 };
1188
1189 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
1190         .use_pio = 1,
1191 };
1192
1193 static void __init em_x270_init_da9030(void)
1194 {
1195         pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
1196         i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1197 }
1198
1199 static struct pca953x_platform_data exeda_gpio_ext_pdata = {
1200         .gpio_base = 128,
1201 };
1202
1203 static struct i2c_board_info exeda_i2c_info[] = {
1204         {
1205                 I2C_BOARD_INFO("pca9555", 0x21),
1206                 .platform_data = &exeda_gpio_ext_pdata,
1207         },
1208 };
1209
1210 static struct i2c_pxa_platform_data em_x270_i2c_info = {
1211         .fast_mode = 1,
1212 };
1213
1214 static void __init em_x270_init_i2c(void)
1215 {
1216         pxa_set_i2c_info(&em_x270_i2c_info);
1217
1218         if (machine_is_exeda())
1219                 i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info));
1220 }
1221
1222 static void __init em_x270_module_init(void)
1223 {
1224         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1225
1226         mmc_cd = GPIO13_MMC_CD;
1227         nand_rb = GPIO56_NAND_RB;
1228         dm9000_flags = DM9000_PLATF_32BITONLY;
1229         cam_reset = GPIO93_CAM_RESET;
1230         usb_hub_reset = GPIO16_USB_HUB_RESET;
1231 }
1232
1233 static void __init em_x270_exeda_init(void)
1234 {
1235         pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1236
1237         mmc_cd = GPIO114_MMC_CD;
1238         nand_rb = GPIO20_NAND_RB;
1239         dm9000_flags = DM9000_PLATF_16BITONLY;
1240         cam_reset = GPIO130_CAM_RESET;
1241         usb_hub_reset = GPIO10_USB_HUB_RESET;
1242 }
1243
1244 static void __init em_x270_init(void)
1245 {
1246         pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1247
1248         pxa_set_ffuart_info(NULL);
1249         pxa_set_btuart_info(NULL);
1250         pxa_set_stuart_info(NULL);
1251
1252 #ifdef CONFIG_PM
1253         pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
1254 #endif
1255
1256         if (machine_is_em_x270())
1257                 em_x270_module_init();
1258         else if (machine_is_exeda())
1259                 em_x270_exeda_init();
1260         else
1261                 panic("Unsupported machine: %d\n", machine_arch_type);
1262
1263         em_x270_init_da9030();
1264         em_x270_init_dm9000();
1265         em_x270_init_rtc();
1266         em_x270_init_nand();
1267         em_x270_init_nor();
1268         em_x270_init_lcd();
1269         em_x270_init_mmc();
1270         em_x270_init_ohci();
1271         em_x270_init_keypad();
1272         em_x270_init_gpio_keys();
1273         em_x270_init_ac97();
1274         em_x270_init_spi();
1275         em_x270_init_i2c();
1276         em_x270_init_camera();
1277         em_x270_userspace_consumers_init();
1278
1279         regulator_has_full_constraints();
1280 }
1281
1282 MACHINE_START(EM_X270, "Compulab EM-X270")
1283         .atag_offset    = 0x100,
1284         .map_io         = pxa27x_map_io,
1285         .nr_irqs        = PXA_NR_IRQS,
1286         .init_irq       = pxa27x_init_irq,
1287         .handle_irq     = pxa27x_handle_irq,
1288         .init_time      = pxa_timer_init,
1289         .init_machine   = em_x270_init,
1290         .restart        = pxa_restart,
1291 MACHINE_END
1292
1293 MACHINE_START(EXEDA, "Compulab eXeda")
1294         .atag_offset    = 0x100,
1295         .map_io         = pxa27x_map_io,
1296         .nr_irqs        = PXA_NR_IRQS,
1297         .init_irq       = pxa27x_init_irq,
1298         .handle_irq     = pxa27x_handle_irq,
1299         .init_time      = pxa_timer_init,
1300         .init_machine   = em_x270_init,
1301         .restart        = pxa_restart,
1302 MACHINE_END