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/power_supply.h>
  30 #include <linux/apm-emulation.h>
  31 #include <linux/i2c.h>
  32 #include <linux/i2c/pca953x.h>
  33 #include <linux/regulator/userspace-consumer.h>
  34
  35 #include <media/soc_camera.h>
  36
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39
  40 #include <mach/pxa27x.h>
  41 #include <mach/pxa27x-udc.h>
  42 #include <mach/audio.h>
  43 #include <mach/pxafb.h>
  44 #include <mach/ohci.h>
  45 #include <mach/mmc.h>
  46 #include <mach/pxa27x_keypad.h>
  47 #include <plat/i2c.h>
  48 #include <mach/camera.h>
  49 #include <mach/pxa2xx_spi.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          IRQ_GPIO(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         GPIO58_LCD_LDD_0,
 113         GPIO59_LCD_LDD_1,
 114         GPIO60_LCD_LDD_2,
 115         GPIO61_LCD_LDD_3,
 116         GPIO62_LCD_LDD_4,
 117         GPIO63_LCD_LDD_5,
 118         GPIO64_LCD_LDD_6,
 119         GPIO65_LCD_LDD_7,
 120         GPIO66_LCD_LDD_8,
 121         GPIO67_LCD_LDD_9,
 122         GPIO68_LCD_LDD_10,
 123         GPIO69_LCD_LDD_11,
 124         GPIO70_LCD_LDD_12,
 125         GPIO71_LCD_LDD_13,
 126         GPIO72_LCD_LDD_14,
 127         GPIO73_LCD_LDD_15,
 128         GPIO74_LCD_FCLK,
 129         GPIO75_LCD_LCLK,
 130         GPIO76_LCD_PCLK,
 131         GPIO77_LCD_BIAS,
 132
 133         /* QCI */
 134         GPIO84_CIF_FV,
 135         GPIO25_CIF_LV,
 136         GPIO53_CIF_MCLK,
 137         GPIO54_CIF_PCLK,
 138         GPIO81_CIF_DD_0,
 139         GPIO55_CIF_DD_1,
 140         GPIO51_CIF_DD_2,
 141         GPIO50_CIF_DD_3,
 142         GPIO52_CIF_DD_4,
 143         GPIO48_CIF_DD_5,
 144         GPIO17_CIF_DD_6,
 145         GPIO12_CIF_DD_7,
 146
 147         /* I2C */
 148         GPIO117_I2C_SCL,
 149         GPIO118_I2C_SDA,
 150
 151         /* Keypad */
 152         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 153         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 154         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 155         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 156         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 157         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 158         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
 159         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
 160         GPIO103_KP_MKOUT_0,
 161         GPIO104_KP_MKOUT_1,
 162         GPIO105_KP_MKOUT_2,
 163         GPIO106_KP_MKOUT_3,
 164         GPIO107_KP_MKOUT_4,
 165         GPIO108_KP_MKOUT_5,
 166         GPIO96_KP_MKOUT_6,
 167         GPIO22_KP_MKOUT_7,
 168
 169         /* SSP1 */
 170         GPIO26_SSP1_RXD,
 171         GPIO23_SSP1_SCLK,
 172         GPIO24_SSP1_SFRM,
 173         GPIO57_SSP1_TXD,
 174
 175         /* SSP2 */
 176         GPIO19_GPIO,    /* SSP2 clock is used as GPIO for Libertas pin-strap */
 177         GPIO14_GPIO,
 178         GPIO89_SSP2_TXD,
 179         GPIO88_SSP2_RXD,
 180
 181         /* SDRAM and local bus */
 182         GPIO15_nCS_1,
 183         GPIO78_nCS_2,
 184         GPIO79_nCS_3,
 185         GPIO80_nCS_4,
 186         GPIO49_nPWE,
 187         GPIO18_RDY,
 188
 189         /* GPIO */
 190         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
 191
 192         /* power controls */
 193         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
 194         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
 195
 196         /* NAND controls */
 197         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
 198
 199         /* interrupts */
 200         GPIO41_GPIO,    /* DM9000 interrupt */
 201 };
 202
 203 static unsigned long em_x270_pin_config[] = {
 204         GPIO13_GPIO,                            /* MMC card detect */
 205         GPIO16_GPIO,                            /* USB hub reset */
 206         GPIO56_GPIO,                            /* NAND Ready/Busy */
 207         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
 208         GPIO95_GPIO,                            /* MMC Write protect */
 209 };
 210
 211 static unsigned long exeda_pin_config[] = {
 212         GPIO10_GPIO,                            /* USB hub reset */
 213         GPIO20_GPIO,                            /* NAND Ready/Busy */
 214         GPIO38_GPIO     | MFP_LPM_DRIVE_LOW,    /* SD slot power */
 215         GPIO95_GPIO,                            /* touchpad IRQ */
 216         GPIO114_GPIO,                           /* MMC card detect */
 217 };
 218
 219 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 220 static struct resource em_x270_dm9000_resource[] = {
 221         [0] = {
 222                 .start = PXA_CS2_PHYS,
 223                 .end   = PXA_CS2_PHYS + 3,
 224                 .flags = IORESOURCE_MEM,
 225         },
 226         [1] = {
 227                 .start = PXA_CS2_PHYS + 8,
 228                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
 229                 .flags = IORESOURCE_MEM,
 230         },
 231         [2] = {
 232                 .start = EM_X270_ETHIRQ,
 233                 .end   = EM_X270_ETHIRQ,
 234                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 235         }
 236 };
 237
 238 static struct dm9000_plat_data em_x270_dm9000_platdata = {
 239         .flags          = DM9000_PLATF_NO_EEPROM,
 240 };
 241
 242 static struct platform_device em_x270_dm9000 = {
 243         .name           = "dm9000",
 244         .id             = 0,
 245         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
 246         .resource       = em_x270_dm9000_resource,
 247         .dev            = {
 248                 .platform_data = &em_x270_dm9000_platdata,
 249         }
 250 };
 251
 252 static void __init em_x270_init_dm9000(void)
 253 {
 254         em_x270_dm9000_platdata.flags |= dm9000_flags;
 255         platform_device_register(&em_x270_dm9000);
 256 }
 257 #else
 258 static inline void em_x270_init_dm9000(void) {}
 259 #endif
 260
 261 /* V3020 RTC */
 262 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 263 static struct resource em_x270_v3020_resource[] = {
 264         [0] = {
 265                 .start = PXA_CS4_PHYS,
 266                 .end   = PXA_CS4_PHYS + 3,
 267                 .flags = IORESOURCE_MEM,
 268         },
 269 };
 270
 271 static struct v3020_platform_data em_x270_v3020_platdata = {
 272         .leftshift = 0,
 273 };
 274
 275 static struct platform_device em_x270_rtc = {
 276         .name           = "v3020",
 277         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
 278         .resource       = em_x270_v3020_resource,
 279         .id             = -1,
 280         .dev            = {
 281                 .platform_data = &em_x270_v3020_platdata,
 282         }
 283 };
 284
 285 static void __init em_x270_init_rtc(void)
 286 {
 287         platform_device_register(&em_x270_rtc);
 288 }
 289 #else
 290 static inline void em_x270_init_rtc(void) {}
 291 #endif
 292
 293 /* NAND flash */
 294 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 295 static inline void nand_cs_on(void)
 296 {
 297         gpio_set_value(GPIO11_NAND_CS, 0);
 298 }
 299
 300 static void nand_cs_off(void)
 301 {
 302         dsb();
 303
 304         gpio_set_value(GPIO11_NAND_CS, 1);
 305 }
 306
 307 /* hardware specific access to control-lines */
 308 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
 309                                  unsigned int ctrl)
 310 {
 311         struct nand_chip *this = mtd->priv;
 312         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 313
 314         dsb();
 315
 316         if (ctrl & NAND_CTRL_CHANGE) {
 317                 if (ctrl & NAND_ALE)
 318                         nandaddr |=  (1 << 3);
 319                 else
 320                         nandaddr &= ~(1 << 3);
 321                 if (ctrl & NAND_CLE)
 322                         nandaddr |=  (1 << 2);
 323                 else
 324                         nandaddr &= ~(1 << 2);
 325                 if (ctrl & NAND_NCE)
 326                         nand_cs_on();
 327                 else
 328                         nand_cs_off();
 329         }
 330
 331         dsb();
 332         this->IO_ADDR_W = (void __iomem *)nandaddr;
 333         if (dat != NAND_CMD_NONE)
 334                 writel(dat, this->IO_ADDR_W);
 335
 336         dsb();
 337 }
 338
 339 /* read device ready pin */
 340 static int em_x270_nand_device_ready(struct mtd_info *mtd)
 341 {
 342         dsb();
 343
 344         return gpio_get_value(nand_rb);
 345 }
 346
 347 static struct mtd_partition em_x270_partition_info[] = {
 348         [0] = {
 349                 .name   = "em_x270-0",
 350                 .offset = 0,
 351                 .size   = SZ_4M,
 352         },
 353         [1] = {
 354                 .name   = "em_x270-1",
 355                 .offset = MTDPART_OFS_APPEND,
 356                 .size   = MTDPART_SIZ_FULL
 357         },
 358 };
 359
 360 static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
 361
 362 struct platform_nand_data em_x270_nand_platdata = {
 363         .chip = {
 364                 .nr_chips = 1,
 365                 .chip_offset = 0,
 366                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
 367                 .partitions = em_x270_partition_info,
 368                 .chip_delay = 20,
 369                 .part_probe_types = em_x270_part_probes,
 370         },
 371         .ctrl = {
 372                 .hwcontrol = 0,
 373                 .dev_ready = em_x270_nand_device_ready,
 374                 .select_chip = 0,
 375                 .cmd_ctrl = em_x270_nand_cmd_ctl,
 376         },
 377 };
 378
 379 static struct resource em_x270_nand_resource[] = {
 380         [0] = {
 381                 .start = PXA_CS1_PHYS,
 382                 .end   = PXA_CS1_PHYS + 12,
 383                 .flags = IORESOURCE_MEM,
 384         },
 385 };
 386
 387 static struct platform_device em_x270_nand = {
 388         .name           = "gen_nand",
 389         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
 390         .resource       = em_x270_nand_resource,
 391         .id             = -1,
 392         .dev            = {
 393                 .platform_data = &em_x270_nand_platdata,
 394         }
 395 };
 396
 397 static void __init em_x270_init_nand(void)
 398 {
 399         int err;
 400
 401         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
 402         if (err) {
 403                 pr_warning("EM-X270: failed to request NAND CS gpio\n");
 404                 return;
 405         }
 406
 407         gpio_direction_output(GPIO11_NAND_CS, 1);
 408
 409         err = gpio_request(nand_rb, "NAND R/B");
 410         if (err) {
 411                 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
 412                 gpio_free(GPIO11_NAND_CS);
 413                 return;
 414         }
 415
 416         gpio_direction_input(nand_rb);
 417
 418         platform_device_register(&em_x270_nand);
 419 }
 420 #else
 421 static inline void em_x270_init_nand(void) {}
 422 #endif
 423
 424 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 425 static struct mtd_partition em_x270_nor_parts[] = {
 426         {
 427                 .name =         "Bootloader",
 428                 .offset =       0x00000000,
 429                 .size =         0x00050000,
 430                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 431         }, {
 432                 .name =         "Environment",
 433                 .offset =       0x00050000,
 434                 .size =         0x00010000,
 435         }, {
 436                 .name =         "Reserved",
 437                 .offset =       0x00060000,
 438                 .size =         0x00050000,
 439                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 440         }, {
 441                 .name =         "Splashscreen",
 442                 .offset =       0x000b0000,
 443                 .size =         0x00050000,
 444         }
 445 };
 446
 447 static struct physmap_flash_data em_x270_nor_data[] = {
 448         [0] = {
 449                 .width = 2,
 450                 .parts = em_x270_nor_parts,
 451                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
 452         },
 453 };
 454
 455 static struct resource em_x270_nor_flash_resource = {
 456         .start  = PXA_CS0_PHYS,
 457         .end    = PXA_CS0_PHYS + SZ_1M - 1,
 458         .flags  = IORESOURCE_MEM,
 459 };
 460
 461 static struct platform_device em_x270_physmap_flash = {
 462         .name           = "physmap-flash",
 463         .id             = 0,
 464         .num_resources  = 1,
 465         .resource       = &em_x270_nor_flash_resource,
 466         .dev            = {
 467                 .platform_data  = &em_x270_nor_data,
 468         },
 469 };
 470
 471 static void __init em_x270_init_nor(void)
 472 {
 473         platform_device_register(&em_x270_physmap_flash);
 474 }
 475 #else
 476 static inline void em_x270_init_nor(void) {}
 477 #endif
 478
 479 /* PXA27x OHCI controller setup */
 480 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 481 static struct regulator *em_x270_usb_ldo;
 482
 483 static int em_x270_usb_hub_init(void)
 484 {
 485         int err;
 486
 487         em_x270_usb_ldo = regulator_get(NULL, "vcc usb");
 488         if (IS_ERR(em_x270_usb_ldo))
 489                 return PTR_ERR(em_x270_usb_ldo);
 490
 491         err = gpio_request(GPIO9_USB_VBUS_EN, "vbus en");
 492         if (err)
 493                 goto err_free_usb_ldo;
 494
 495         err = gpio_request(usb_hub_reset, "hub rst");
 496         if (err)
 497                 goto err_free_vbus_gpio;
 498
 499         /* USB Hub power-on and reset */
 500         gpio_direction_output(usb_hub_reset, 0);
 501         regulator_enable(em_x270_usb_ldo);
 502         gpio_set_value(usb_hub_reset, 1);
 503         gpio_set_value(usb_hub_reset, 0);
 504         regulator_disable(em_x270_usb_ldo);
 505         regulator_enable(em_x270_usb_ldo);
 506         gpio_set_value(usb_hub_reset, 1);
 507
 508         /* enable VBUS */
 509         gpio_direction_output(GPIO9_USB_VBUS_EN, 1);
 510
 511         return 0;
 512
 513 err_free_vbus_gpio:
 514         gpio_free(GPIO9_USB_VBUS_EN);
 515 err_free_usb_ldo:
 516         regulator_put(em_x270_usb_ldo);
 517
 518         return err;
 519 }
 520
 521 static int em_x270_ohci_init(struct device *dev)
 522 {
 523         int err;
 524
 525         /* we don't want to entirely disable USB if the HUB init failed */
 526         err = em_x270_usb_hub_init();
 527         if (err)
 528                 pr_err("USB Hub initialization failed: %d\n", err);
 529
 530         /* enable port 2 transiever */
 531         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
 532
 533         return 0;
 534 }
 535
 536 static void em_x270_ohci_exit(struct device *dev)
 537 {
 538         gpio_free(usb_hub_reset);
 539         gpio_free(GPIO9_USB_VBUS_EN);
 540
 541         if (!IS_ERR(em_x270_usb_ldo)) {
 542                 if (regulator_is_enabled(em_x270_usb_ldo))
 543                         regulator_disable(em_x270_usb_ldo);
 544
 545                 regulator_put(em_x270_usb_ldo);
 546         }
 547 }
 548
 549 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
 550         .port_mode      = PMM_PERPORT_MODE,
 551         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 552         .init           = em_x270_ohci_init,
 553         .exit           = em_x270_ohci_exit,
 554 };
 555
 556 static void __init em_x270_init_ohci(void)
 557 {
 558         pxa_set_ohci_info(&em_x270_ohci_platform_data);
 559 }
 560 #else
 561 static inline void em_x270_init_ohci(void) {}
 562 #endif
 563
 564 /* MCI controller setup */
 565 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 566 static struct regulator *em_x270_sdio_ldo;
 567
 568 static int em_x270_mci_init(struct device *dev,
 569                             irq_handler_t em_x270_detect_int,
 570                             void *data)
 571 {
 572         int err;
 573
 574         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
 575         if (IS_ERR(em_x270_sdio_ldo)) {
 576                 dev_err(dev, "can't request SDIO power supply: %ld\n",
 577                         PTR_ERR(em_x270_sdio_ldo));
 578                 return PTR_ERR(em_x270_sdio_ldo);
 579         }
 580
 581         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
 582                               IRQF_DISABLED | IRQF_TRIGGER_RISING |
 583                               IRQF_TRIGGER_FALLING,
 584                               "MMC card detect", data);
 585         if (err) {
 586                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
 587                 goto err_irq;
 588         }
 589
 590         if (machine_is_em_x270()) {
 591                 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
 592                 if (err) {
 593                         dev_err(dev, "can't request MMC write protect: %d\n",
 594                                 err);
 595                         goto err_gpio_wp;
 596                 }
 597                 gpio_direction_input(GPIO95_MMC_WP);
 598         } else {
 599                 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
 600                 if (err) {
 601                         dev_err(dev, "can't request MMC power control : %d\n",
 602                                 err);
 603                         goto err_gpio_wp;
 604                 }
 605                 gpio_direction_output(GPIO38_SD_PWEN, 1);
 606         }
 607
 608         return 0;
 609
 610 err_gpio_wp:
 611         free_irq(gpio_to_irq(mmc_cd), data);
 612 err_irq:
 613         regulator_put(em_x270_sdio_ldo);
 614
 615         return err;
 616 }
 617
 618 static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
 619 {
 620         struct pxamci_platform_data* p_d = dev->platform_data;
 621
 622         if ((1 << vdd) & p_d->ocr_mask) {
 623                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
 624
 625                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
 626                 regulator_enable(em_x270_sdio_ldo);
 627         } else {
 628                 regulator_disable(em_x270_sdio_ldo);
 629         }
 630 }
 631
 632 static void em_x270_mci_exit(struct device *dev, void *data)
 633 {
 634         free_irq(gpio_to_irq(mmc_cd), data);
 635         regulator_put(em_x270_sdio_ldo);
 636
 637         if (machine_is_em_x270())
 638                 gpio_free(GPIO95_MMC_WP);
 639         else
 640                 gpio_free(GPIO38_SD_PWEN);
 641 }
 642
 643 static int em_x270_mci_get_ro(struct device *dev)
 644 {
 645         return gpio_get_value(GPIO95_MMC_WP);
 646 }
 647
 648 static struct pxamci_platform_data em_x270_mci_platform_data = {
 649         .ocr_mask       = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
 650                           MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
 651                           MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
 652                           MMC_VDD_30_31|MMC_VDD_31_32,
 653         .init           = em_x270_mci_init,
 654         .setpower       = em_x270_mci_setpower,
 655         .exit           = em_x270_mci_exit,
 656 };
 657
 658 static void __init em_x270_init_mmc(void)
 659 {
 660         if (machine_is_em_x270())
 661                 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
 662
 663         em_x270_mci_platform_data.detect_delay  = msecs_to_jiffies(250);
 664         pxa_set_mci_info(&em_x270_mci_platform_data);
 665 }
 666 #else
 667 static inline void em_x270_init_mmc(void) {}
 668 #endif
 669
 670 /* LCD */
 671 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 672 static struct pxafb_mode_info em_x270_lcd_modes[] = {
 673         [0] = {
 674                 .pixclock       = 38250,
 675                 .bpp            = 16,
 676                 .xres           = 480,
 677                 .yres           = 640,
 678                 .hsync_len      = 8,
 679                 .vsync_len      = 2,
 680                 .left_margin    = 8,
 681                 .upper_margin   = 2,
 682                 .right_margin   = 24,
 683                 .lower_margin   = 4,
 684                 .sync           = 0,
 685         },
 686         [1] = {
 687                 .pixclock       = 153800,
 688                 .bpp            = 16,
 689                 .xres           = 240,
 690                 .yres           = 320,
 691                 .hsync_len      = 8,
 692                 .vsync_len      = 2,
 693                 .left_margin    = 8,
 694                 .upper_margin   = 2,
 695                 .right_margin   = 88,
 696                 .lower_margin   = 2,
 697                 .sync           = 0,
 698         },
 699 };
 700
 701 static struct pxafb_mach_info em_x270_lcd = {
 702         .modes          = em_x270_lcd_modes,
 703         .num_modes      = 2,
 704         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 705 };
 706
 707 static void __init em_x270_init_lcd(void)
 708 {
 709         set_pxa_fb_info(&em_x270_lcd);
 710 }
 711 #else
 712 static inline void em_x270_init_lcd(void) {}
 713 #endif
 714
 715 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 716 static struct pxa2xx_spi_master em_x270_spi_info = {
 717         .num_chipselect = 1,
 718 };
 719
 720 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
 721         .rx_threshold   = 1,
 722         .tx_threshold   = 1,
 723         .gpio_cs        = -1,
 724 };
 725
 726 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
 727         .model = TDO35S,
 728 };
 729
 730 static struct pxa2xx_spi_master em_x270_spi_2_info = {
 731         .num_chipselect = 1,
 732         .enable_dma     = 1,
 733 };
 734
 735 static struct pxa2xx_spi_chip em_x270_libertas_chip = {
 736         .rx_threshold   = 1,
 737         .tx_threshold   = 1,
 738         .timeout        = 1000,
 739         .gpio_cs        = 14,
 740 };
 741
 742 static unsigned long em_x270_libertas_pin_config[] = {
 743         /* SSP2 */
 744         GPIO19_SSP2_SCLK,
 745         GPIO14_GPIO,
 746         GPIO89_SSP2_TXD,
 747         GPIO88_SSP2_RXD,
 748 };
 749
 750 static int em_x270_libertas_setup(struct spi_device *spi)
 751 {
 752         int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
 753         if (err)
 754                 return err;
 755
 756         err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
 757         if (err)
 758                 goto err_free_pwen;
 759
 760         if (machine_is_exeda()) {
 761                 err = gpio_request(GPIO37_WLAN_RST, "WLAN RST");
 762                 if (err)
 763                         goto err_free_strap;
 764
 765                 gpio_direction_output(GPIO37_WLAN_RST, 1);
 766                 msleep(100);
 767         }
 768
 769         gpio_direction_output(GPIO19_WLAN_STRAP, 1);
 770         msleep(100);
 771
 772         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
 773
 774         gpio_direction_output(GPIO115_WLAN_PWEN, 0);
 775         msleep(100);
 776         gpio_set_value(GPIO115_WLAN_PWEN, 1);
 777         msleep(100);
 778
 779         spi->bits_per_word = 16;
 780         spi_setup(spi);
 781
 782         return 0;
 783
 784 err_free_strap:
 785         gpio_free(GPIO19_WLAN_STRAP);
 786 err_free_pwen:
 787         gpio_free(GPIO115_WLAN_PWEN);
 788
 789         return err;
 790 }
 791
 792 static int em_x270_libertas_teardown(struct spi_device *spi)
 793 {
 794         gpio_set_value(GPIO115_WLAN_PWEN, 0);
 795         gpio_free(GPIO115_WLAN_PWEN);
 796         gpio_free(GPIO19_WLAN_STRAP);
 797
 798         if (machine_is_exeda()) {
 799                 gpio_set_value(GPIO37_WLAN_RST, 0);
 800                 gpio_free(GPIO37_WLAN_RST);
 801         }
 802
 803         return 0;
 804 }
 805
 806 struct libertas_spi_platform_data em_x270_libertas_pdata = {
 807         .use_dummy_writes       = 1,
 808         .setup                  = em_x270_libertas_setup,
 809         .teardown               = em_x270_libertas_teardown,
 810 };
 811
 812 static struct spi_board_info em_x270_spi_devices[] __initdata = {
 813         {
 814                 .modalias               = "tdo24m",
 815                 .max_speed_hz           = 1000000,
 816                 .bus_num                = 1,
 817                 .chip_select            = 0,
 818                 .controller_data        = &em_x270_tdo24m_chip,
 819                 .platform_data          = &em_x270_tdo24m_pdata,
 820         },
 821         {
 822                 .modalias               = "libertas_spi",
 823                 .max_speed_hz           = 13000000,
 824                 .bus_num                = 2,
 825                 .irq                    = IRQ_GPIO(116),
 826                 .chip_select            = 0,
 827                 .controller_data        = &em_x270_libertas_chip,
 828                 .platform_data          = &em_x270_libertas_pdata,
 829         },
 830 };
 831
 832 static void __init em_x270_init_spi(void)
 833 {
 834         pxa2xx_set_spi_info(1, &em_x270_spi_info);
 835         pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
 836         spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
 837 }
 838 #else
 839 static inline void em_x270_init_spi(void) {}
 840 #endif
 841
 842 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
 843 static pxa2xx_audio_ops_t em_x270_ac97_info = {
 844         .reset_gpio = 113,
 845 };
 846
 847 static void __init em_x270_init_ac97(void)
 848 {
 849         pxa_set_ac97_info(&em_x270_ac97_info);
 850 }
 851 #else
 852 static inline void em_x270_init_ac97(void) {}
 853 #endif
 854
 855 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 856 static unsigned int em_x270_module_matrix_keys[] = {
 857         KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
 858         KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
 859         KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
 860 };
 861
 862 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
 863         /* code map for the matrix keys */
 864         .matrix_key_rows        = 3,
 865         .matrix_key_cols        = 3,
 866         .matrix_key_map         = em_x270_module_matrix_keys,
 867         .matrix_key_map_size    = ARRAY_SIZE(em_x270_module_matrix_keys),
 868 };
 869
 870 static unsigned int em_x270_exeda_matrix_keys[] = {
 871         KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
 872         KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
 873         KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
 874         KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
 875
 876         KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
 877         KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
 878         KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
 879         KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
 880
 881         KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
 882         KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
 883         KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
 884         KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
 885
 886         KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
 887         KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
 888         KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
 889         KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
 890
 891         KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
 892         KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
 893         KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
 894         KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
 895
 896         KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
 897         KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
 898         KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
 899         KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
 900
 901         KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
 902         KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
 903         KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
 904         KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
 905
 906         KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
 907         KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
 908         KEY(7, 4, 0), KEY(7, 5, 0),
 909         KEY(7, 6, 0), KEY(7, 7, 0),
 910 };
 911
 912 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
 913         /* code map for the matrix keys */
 914         .matrix_key_rows        = 8,
 915         .matrix_key_cols        = 8,
 916         .matrix_key_map         = em_x270_exeda_matrix_keys,
 917         .matrix_key_map_size    = ARRAY_SIZE(em_x270_exeda_matrix_keys),
 918 };
 919
 920 static void __init em_x270_init_keypad(void)
 921 {
 922         if (machine_is_em_x270())
 923                 pxa_set_keypad_info(&em_x270_module_keypad_info);
 924         else
 925                 pxa_set_keypad_info(&em_x270_exeda_keypad_info);
 926 }
 927 #else
 928 static inline void em_x270_init_keypad(void) {}
 929 #endif
 930
 931 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 932 static struct gpio_keys_button gpio_keys_button[] = {
 933         [0] = {
 934                 .desc   = "sleep/wakeup",
 935                 .code   = KEY_SUSPEND,
 936                 .type   = EV_PWR,
 937                 .gpio   = 1,
 938                 .wakeup = 1,
 939         },
 940 };
 941
 942 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
 943         .buttons        = gpio_keys_button,
 944         .nbuttons       = 1,
 945 };
 946
 947 static struct platform_device em_x270_gpio_keys = {
 948         .name           = "gpio-keys",
 949         .id             = -1,
 950         .dev            = {
 951                 .platform_data  = &em_x270_gpio_keys_data,
 952         },
 953 };
 954
 955 static void __init em_x270_init_gpio_keys(void)
 956 {
 957         platform_device_register(&em_x270_gpio_keys);
 958 }
 959 #else
 960 static inline void em_x270_init_gpio_keys(void) {}
 961 #endif
 962
 963 /* Quick Capture Interface and sensor setup */
 964 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
 965 static struct regulator *em_x270_camera_ldo;
 966
 967 static int em_x270_sensor_init(struct device *dev)
 968 {
 969         int ret;
 970
 971         ret = gpio_request(cam_reset, "camera reset");
 972         if (ret)
 973                 return ret;
 974
 975         gpio_direction_output(cam_reset, 0);
 976
 977         em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
 978         if (em_x270_camera_ldo == NULL) {
 979                 gpio_free(cam_reset);
 980                 return -ENODEV;
 981         }
 982
 983         ret = regulator_enable(em_x270_camera_ldo);
 984         if (ret) {
 985                 regulator_put(em_x270_camera_ldo);
 986                 gpio_free(cam_reset);
 987                 return ret;
 988         }
 989
 990         gpio_set_value(cam_reset, 1);
 991
 992         return 0;
 993 }
 994
 995 struct pxacamera_platform_data em_x270_camera_platform_data = {
 996         .init   = em_x270_sensor_init,
 997         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 998                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 999         .mclk_10khz = 2600,
1000 };
1001
1002 static int em_x270_sensor_power(struct device *dev, int on)
1003 {
1004         int ret;
1005         int is_on = regulator_is_enabled(em_x270_camera_ldo);
1006
1007         if (on == is_on)
1008                 return 0;
1009
1010         gpio_set_value(cam_reset, !on);
1011
1012         if (on)
1013                 ret = regulator_enable(em_x270_camera_ldo);
1014         else
1015                 ret = regulator_disable(em_x270_camera_ldo);
1016
1017         if (ret)
1018                 return ret;
1019
1020         gpio_set_value(cam_reset, on);
1021
1022         return 0;
1023 }
1024
1025 static struct soc_camera_link iclink = {
1026         .bus_id = 0,
1027         .power = em_x270_sensor_power,
1028 };
1029
1030 static struct i2c_board_info em_x270_i2c_cam_info[] = {
1031         {
1032                 I2C_BOARD_INFO("mt9m111", 0x48),
1033                 .platform_data = &iclink,
1034         },
1035 };
1036
1037 static void  __init em_x270_init_camera(void)
1038 {
1039         i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info));
1040         pxa_set_camera_info(&em_x270_camera_platform_data);
1041 }
1042 #else
1043 static inline void em_x270_init_camera(void) {}
1044 #endif
1045
1046 static struct regulator_bulk_data em_x270_gps_consumer_supply = {
1047         .supply         = "vcc gps",
1048 };
1049
1050 static struct regulator_userspace_consumer_data em_x270_gps_consumer_data = {
1051         .name           = "vcc gps",
1052         .num_supplies   = 1,
1053         .supplies       = &em_x270_gps_consumer_supply,
1054 };
1055
1056 static struct platform_device em_x270_gps_userspace_consumer = {
1057         .name           = "reg-userspace-consumer",
1058         .id             = 0,
1059         .dev            = {
1060                 .platform_data = &em_x270_gps_consumer_data,
1061         },
1062 };
1063
1064 static struct regulator_bulk_data em_x270_gprs_consumer_supply = {
1065         .supply         = "vcc gprs",
1066 };
1067
1068 static struct regulator_userspace_consumer_data em_x270_gprs_consumer_data = {
1069         .name           = "vcc gprs",
1070         .num_supplies   = 1,
1071         .supplies       = &em_x270_gprs_consumer_supply
1072 };
1073
1074 static struct platform_device em_x270_gprs_userspace_consumer = {
1075         .name           = "reg-userspace-consumer",
1076         .id             = 1,
1077         .dev            = {
1078                 .platform_data = &em_x270_gprs_consumer_data,
1079         }
1080 };
1081
1082 static struct platform_device *em_x270_userspace_consumers[] = {
1083         &em_x270_gps_userspace_consumer,
1084         &em_x270_gprs_userspace_consumer,
1085 };
1086
1087 static void __init em_x270_userspace_consumers_init(void)
1088 {
1089         platform_add_devices(ARRAY_AND_SIZE(em_x270_userspace_consumers));
1090 }
1091
1092 /* DA9030 related initializations */
1093 #define REGULATOR_CONSUMER(_name, _dev, _supply)                               \
1094         static struct regulator_consumer_supply _name##_consumers[] = { \
1095                 {                                                       \
1096                         .dev = _dev,                                    \
1097                         .supply = _supply,                              \
1098                 },                                                      \
1099         }
1100
1101 REGULATOR_CONSUMER(ldo3, &em_x270_gps_userspace_consumer.dev, "vcc gps");
1102 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
1103 REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio");
1104 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
1105 REGULATOR_CONSUMER(ldo19, &em_x270_gprs_userspace_consumer.dev, "vcc gprs");
1106
1107 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)               \
1108         static struct regulator_init_data _ldo##_data = {               \
1109                 .constraints = {                                        \
1110                         .min_uV = _min_uV,                              \
1111                         .max_uV = _max_uV,                              \
1112                         .state_mem = {                                  \
1113                                 .enabled = 0,                           \
1114                         },                                              \
1115                         .valid_ops_mask = _ops_mask,                    \
1116                         .apply_uV = 1,                                  \
1117                 },                                                      \
1118                 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),  \
1119                 .consumer_supplies = _ldo##_consumers,                  \
1120         };
1121
1122 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1123 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1124 REGULATOR_INIT(ldo10, 2000000, 3200000,
1125                REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
1126 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
1127 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
1128
1129 struct led_info em_x270_led_info = {
1130         .name = "em-x270:orange",
1131         .default_trigger = "battery-charging-or-full",
1132 };
1133
1134 struct power_supply_info em_x270_psy_info = {
1135         .name = "battery",
1136         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
1137         .voltage_max_design = 4200000,
1138         .voltage_min_design = 3000000,
1139         .use_for_apm = 1,
1140 };
1141
1142 static void em_x270_battery_low(void)
1143 {
1144 #if defined(CONFIG_APM_EMULATION)
1145         apm_queue_event(APM_LOW_BATTERY);
1146 #endif
1147 }
1148
1149 static void em_x270_battery_critical(void)
1150 {
1151 #if defined(CONFIG_APM_EMULATION)
1152         apm_queue_event(APM_CRITICAL_SUSPEND);
1153 #endif
1154 }
1155
1156 struct da9030_battery_info em_x270_batterty_info = {
1157         .battery_info = &em_x270_psy_info,
1158
1159         .charge_milliamp = 1000,
1160         .charge_millivolt = 4200,
1161
1162         .vbat_low = 3600,
1163         .vbat_crit = 3400,
1164         .vbat_charge_start = 4100,
1165         .vbat_charge_stop = 4200,
1166         .vbat_charge_restart = 4000,
1167
1168         .vcharge_min = 3200,
1169         .vcharge_max = 5500,
1170
1171         .tbat_low = 197,
1172         .tbat_high = 78,
1173         .tbat_restart = 100,
1174
1175         .batmon_interval = 0,
1176
1177         .battery_low = em_x270_battery_low,
1178         .battery_critical = em_x270_battery_critical,
1179 };
1180
1181 #define DA9030_SUBDEV(_name, _id, _pdata)       \
1182         {                                       \
1183                 .name = "da903x-" #_name,       \
1184                 .id = DA9030_ID_##_id,          \
1185                 .platform_data = _pdata,        \
1186         }
1187
1188 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
1189
1190 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
1191         DA9030_LDO(3),
1192         DA9030_LDO(5),
1193         DA9030_LDO(10),
1194         DA9030_LDO(12),
1195         DA9030_LDO(19),
1196
1197         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
1198         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
1199         DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
1200 };
1201
1202 static struct da903x_platform_data em_x270_da9030_info = {
1203         .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
1204         .subdevs = em_x270_da9030_subdevs,
1205 };
1206
1207 static struct i2c_board_info em_x270_i2c_pmic_info = {
1208         I2C_BOARD_INFO("da9030", 0x49),
1209         .irq = IRQ_GPIO(0),
1210         .platform_data = &em_x270_da9030_info,
1211 };
1212
1213 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
1214         .use_pio = 1,
1215 };
1216
1217 static void __init em_x270_init_da9030(void)
1218 {
1219         pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
1220         i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1221 }
1222
1223 static struct pca953x_platform_data exeda_gpio_ext_pdata = {
1224         .gpio_base = 128,
1225 };
1226
1227 static struct i2c_board_info exeda_i2c_info[] = {
1228         {
1229                 I2C_BOARD_INFO("pca9555", 0x21),
1230                 .platform_data = &exeda_gpio_ext_pdata,
1231         },
1232 };
1233
1234 static struct i2c_pxa_platform_data em_x270_i2c_info = {
1235         .fast_mode = 1,
1236 };
1237
1238 static void __init em_x270_init_i2c(void)
1239 {
1240         pxa_set_i2c_info(&em_x270_i2c_info);
1241
1242         if (machine_is_exeda())
1243                 i2c_register_board_info(0, ARRAY_AND_SIZE(exeda_i2c_info));
1244 }
1245
1246 static void __init em_x270_module_init(void)
1247 {
1248         pr_info("%s\n", __func__);
1249         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1250
1251         mmc_cd = GPIO13_MMC_CD;
1252         nand_rb = GPIO56_NAND_RB;
1253         dm9000_flags = DM9000_PLATF_32BITONLY;
1254         cam_reset = GPIO93_CAM_RESET;
1255         usb_hub_reset = GPIO16_USB_HUB_RESET;
1256 }
1257
1258 static void __init em_x270_exeda_init(void)
1259 {
1260         pr_info("%s\n", __func__);
1261         pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1262
1263         mmc_cd = GPIO114_MMC_CD;
1264         nand_rb = GPIO20_NAND_RB;
1265         dm9000_flags = DM9000_PLATF_16BITONLY;
1266         cam_reset = GPIO130_CAM_RESET;
1267         usb_hub_reset = GPIO10_USB_HUB_RESET;
1268 }
1269
1270 static void __init em_x270_init(void)
1271 {
1272         pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1273
1274 #ifdef CONFIG_PM
1275         pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
1276 #endif
1277
1278         if (machine_is_em_x270())
1279                 em_x270_module_init();
1280         else if (machine_is_exeda())
1281                 em_x270_exeda_init();
1282         else
1283                 panic("Unsupported machine: %d\n", machine_arch_type);
1284
1285         em_x270_init_da9030();
1286         em_x270_init_dm9000();
1287         em_x270_init_rtc();
1288         em_x270_init_nand();
1289         em_x270_init_nor();
1290         em_x270_init_lcd();
1291         em_x270_init_mmc();
1292         em_x270_init_ohci();
1293         em_x270_init_keypad();
1294         em_x270_init_gpio_keys();
1295         em_x270_init_ac97();
1296         em_x270_init_spi();
1297         em_x270_init_i2c();
1298         em_x270_init_camera();
1299         em_x270_userspace_consumers_init();
1300 }
1301
1302 MACHINE_START(EM_X270, "Compulab EM-X270")
1303         .boot_params    = 0xa0000100,
1304         .phys_io        = 0x40000000,
1305         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1306         .map_io         = pxa_map_io,
1307         .init_irq       = pxa27x_init_irq,
1308         .timer          = &pxa_timer,
1309         .init_machine   = em_x270_init,
1310 MACHINE_END
1311
1312 MACHINE_START(EXEDA, "Compulab eXeda")
1313         .boot_params    = 0xa0000100,
1314         .phys_io        = 0x40000000,
1315         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1316         .map_io         = pxa_map_io,
1317         .init_irq       = pxa27x_init_irq,
1318         .timer          = &pxa_timer,
1319         .init_machine   = em_x270_init,
1320 MACHINE_END