git.oblomov.eu Git - linux-2.6/blob - 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/delay.h>
  32
  33 #include <media/soc_camera.h>
  34
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37
  38 #include <mach/pxa27x.h>
  39 #include <mach/pxa27x-udc.h>
  40 #include <mach/audio.h>
  41 #include <mach/pxafb.h>
  42 #include <mach/ohci.h>
  43 #include <mach/mmc.h>
  44 #include <mach/pxa27x_keypad.h>
  45 #include <mach/i2c.h>
  46 #include <mach/camera.h>
  47 #include <mach/pxa2xx_spi.h>
  48
  49 #include "generic.h"
  50 #include "devices.h"
  51
  52 /* EM-X270 specific GPIOs */
  53 #define GPIO13_MMC_CD           (13)
  54 #define GPIO95_MMC_WP           (95)
  55 #define GPIO56_NAND_RB          (56)
  56
  57 /* eXeda specific GPIOs */
  58 #define GPIO114_MMC_CD          (114)
  59 #define GPIO20_NAND_RB          (20)
  60 #define GPIO38_SD_PWEN          (38)
  61
  62 /* common  GPIOs */
  63 #define GPIO11_NAND_CS          (11)
  64 #define GPIO93_CAM_RESET        (93)
  65 #define GPIO41_ETHIRQ           (41)
  66 #define EM_X270_ETHIRQ          IRQ_GPIO(GPIO41_ETHIRQ)
  67 #define GPIO115_WLAN_PWEN       (115)
  68 #define GPIO19_WLAN_STRAP       (19)
  69
  70 static int mmc_cd;
  71 static int nand_rb;
  72 static int dm9000_flags;
  73
  74 static unsigned long common_pin_config[] = {
  75         /* AC'97 */
  76         GPIO28_AC97_BITCLK,
  77         GPIO29_AC97_SDATA_IN_0,
  78         GPIO30_AC97_SDATA_OUT,
  79         GPIO31_AC97_SYNC,
  80         GPIO98_AC97_SYSCLK,
  81         GPIO113_AC97_nRESET,
  82
  83         /* BTUART */
  84         GPIO42_BTUART_RXD,
  85         GPIO43_BTUART_TXD,
  86         GPIO44_BTUART_CTS,
  87         GPIO45_BTUART_RTS,
  88
  89         /* STUART */
  90         GPIO46_STUART_RXD,
  91         GPIO47_STUART_TXD,
  92
  93         /* MCI controller */
  94         GPIO32_MMC_CLK,
  95         GPIO112_MMC_CMD,
  96         GPIO92_MMC_DAT_0,
  97         GPIO109_MMC_DAT_1,
  98         GPIO110_MMC_DAT_2,
  99         GPIO111_MMC_DAT_3,
 100
 101         /* LCD */
 102         GPIO58_LCD_LDD_0,
 103         GPIO59_LCD_LDD_1,
 104         GPIO60_LCD_LDD_2,
 105         GPIO61_LCD_LDD_3,
 106         GPIO62_LCD_LDD_4,
 107         GPIO63_LCD_LDD_5,
 108         GPIO64_LCD_LDD_6,
 109         GPIO65_LCD_LDD_7,
 110         GPIO66_LCD_LDD_8,
 111         GPIO67_LCD_LDD_9,
 112         GPIO68_LCD_LDD_10,
 113         GPIO69_LCD_LDD_11,
 114         GPIO70_LCD_LDD_12,
 115         GPIO71_LCD_LDD_13,
 116         GPIO72_LCD_LDD_14,
 117         GPIO73_LCD_LDD_15,
 118         GPIO74_LCD_FCLK,
 119         GPIO75_LCD_LCLK,
 120         GPIO76_LCD_PCLK,
 121         GPIO77_LCD_BIAS,
 122
 123         /* QCI */
 124         GPIO84_CIF_FV,
 125         GPIO25_CIF_LV,
 126         GPIO53_CIF_MCLK,
 127         GPIO54_CIF_PCLK,
 128         GPIO81_CIF_DD_0,
 129         GPIO55_CIF_DD_1,
 130         GPIO51_CIF_DD_2,
 131         GPIO50_CIF_DD_3,
 132         GPIO52_CIF_DD_4,
 133         GPIO48_CIF_DD_5,
 134         GPIO17_CIF_DD_6,
 135         GPIO12_CIF_DD_7,
 136
 137         /* I2C */
 138         GPIO117_I2C_SCL,
 139         GPIO118_I2C_SDA,
 140
 141         /* Keypad */
 142         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 143         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 144         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 145         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 146         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 147         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 148         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
 149         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
 150         GPIO103_KP_MKOUT_0,
 151         GPIO104_KP_MKOUT_1,
 152         GPIO105_KP_MKOUT_2,
 153         GPIO106_KP_MKOUT_3,
 154         GPIO107_KP_MKOUT_4,
 155         GPIO108_KP_MKOUT_5,
 156         GPIO96_KP_MKOUT_6,
 157         GPIO22_KP_MKOUT_7,
 158
 159         /* SSP1 */
 160         GPIO26_SSP1_RXD,
 161         GPIO23_SSP1_SCLK,
 162         GPIO24_SSP1_SFRM,
 163         GPIO57_SSP1_TXD,
 164
 165         /* SSP2 */
 166         GPIO19_GPIO,    /* SSP2 clock is used as GPIO for Libertas pin-strap */
 167         GPIO14_GPIO,
 168         GPIO89_SSP2_TXD,
 169         GPIO88_SSP2_RXD,
 170
 171         /* SDRAM and local bus */
 172         GPIO15_nCS_1,
 173         GPIO78_nCS_2,
 174         GPIO79_nCS_3,
 175         GPIO80_nCS_4,
 176         GPIO49_nPWE,
 177         GPIO18_RDY,
 178
 179         /* GPIO */
 180         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
 181
 182         /* power controls */
 183         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
 184         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
 185         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
 186
 187         /* NAND controls */
 188         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
 189
 190         /* interrupts */
 191         GPIO41_GPIO,    /* DM9000 interrupt */
 192 };
 193
 194 static unsigned long em_x270_pin_config[] = {
 195         GPIO13_GPIO,    /* MMC card detect */
 196         GPIO56_GPIO,    /* NAND Ready/Busy */
 197         GPIO95_GPIO,    /* MMC Write protect */
 198 };
 199
 200 static unsigned long exeda_pin_config[] = {
 201         GPIO20_GPIO,                            /* NAND Ready/Busy */
 202         GPIO38_GPIO     | MFP_LPM_DRIVE_LOW,    /* SD slot power */
 203         GPIO114_GPIO,                           /* MMC card detect */
 204 };
 205
 206 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 207 static struct resource em_x270_dm9000_resource[] = {
 208         [0] = {
 209                 .start = PXA_CS2_PHYS,
 210                 .end   = PXA_CS2_PHYS + 3,
 211                 .flags = IORESOURCE_MEM,
 212         },
 213         [1] = {
 214                 .start = PXA_CS2_PHYS + 8,
 215                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
 216                 .flags = IORESOURCE_MEM,
 217         },
 218         [2] = {
 219                 .start = EM_X270_ETHIRQ,
 220                 .end   = EM_X270_ETHIRQ,
 221                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 222         }
 223 };
 224
 225 static struct dm9000_plat_data em_x270_dm9000_platdata = {
 226         .flags          = DM9000_PLATF_NO_EEPROM,
 227 };
 228
 229 static struct platform_device em_x270_dm9000 = {
 230         .name           = "dm9000",
 231         .id             = 0,
 232         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
 233         .resource       = em_x270_dm9000_resource,
 234         .dev            = {
 235                 .platform_data = &em_x270_dm9000_platdata,
 236         }
 237 };
 238
 239 static void __init em_x270_init_dm9000(void)
 240 {
 241         em_x270_dm9000_platdata.flags |= dm9000_flags;
 242         platform_device_register(&em_x270_dm9000);
 243 }
 244 #else
 245 static inline void em_x270_init_dm9000(void) {}
 246 #endif
 247
 248 /* V3020 RTC */
 249 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 250 static struct resource em_x270_v3020_resource[] = {
 251         [0] = {
 252                 .start = PXA_CS4_PHYS,
 253                 .end   = PXA_CS4_PHYS + 3,
 254                 .flags = IORESOURCE_MEM,
 255         },
 256 };
 257
 258 static struct v3020_platform_data em_x270_v3020_platdata = {
 259         .leftshift = 0,
 260 };
 261
 262 static struct platform_device em_x270_rtc = {
 263         .name           = "v3020",
 264         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
 265         .resource       = em_x270_v3020_resource,
 266         .id             = -1,
 267         .dev            = {
 268                 .platform_data = &em_x270_v3020_platdata,
 269         }
 270 };
 271
 272 static void __init em_x270_init_rtc(void)
 273 {
 274         platform_device_register(&em_x270_rtc);
 275 }
 276 #else
 277 static inline void em_x270_init_rtc(void) {}
 278 #endif
 279
 280 /* NAND flash */
 281 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 282 static inline void nand_cs_on(void)
 283 {
 284         gpio_set_value(GPIO11_NAND_CS, 0);
 285 }
 286
 287 static void nand_cs_off(void)
 288 {
 289         dsb();
 290
 291         gpio_set_value(GPIO11_NAND_CS, 1);
 292 }
 293
 294 /* hardware specific access to control-lines */
 295 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
 296                                  unsigned int ctrl)
 297 {
 298         struct nand_chip *this = mtd->priv;
 299         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 300
 301         dsb();
 302
 303         if (ctrl & NAND_CTRL_CHANGE) {
 304                 if (ctrl & NAND_ALE)
 305                         nandaddr |=  (1 << 3);
 306                 else
 307                         nandaddr &= ~(1 << 3);
 308                 if (ctrl & NAND_CLE)
 309                         nandaddr |=  (1 << 2);
 310                 else
 311                         nandaddr &= ~(1 << 2);
 312                 if (ctrl & NAND_NCE)
 313                         nand_cs_on();
 314                 else
 315                         nand_cs_off();
 316         }
 317
 318         dsb();
 319         this->IO_ADDR_W = (void __iomem *)nandaddr;
 320         if (dat != NAND_CMD_NONE)
 321                 writel(dat, this->IO_ADDR_W);
 322
 323         dsb();
 324 }
 325
 326 /* read device ready pin */
 327 static int em_x270_nand_device_ready(struct mtd_info *mtd)
 328 {
 329         dsb();
 330
 331         return gpio_get_value(nand_rb);
 332 }
 333
 334 static struct mtd_partition em_x270_partition_info[] = {
 335         [0] = {
 336                 .name   = "em_x270-0",
 337                 .offset = 0,
 338                 .size   = SZ_4M,
 339         },
 340         [1] = {
 341                 .name   = "em_x270-1",
 342                 .offset = MTDPART_OFS_APPEND,
 343                 .size   = MTDPART_SIZ_FULL
 344         },
 345 };
 346
 347 static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
 348
 349 struct platform_nand_data em_x270_nand_platdata = {
 350         .chip = {
 351                 .nr_chips = 1,
 352                 .chip_offset = 0,
 353                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
 354                 .partitions = em_x270_partition_info,
 355                 .chip_delay = 20,
 356                 .part_probe_types = em_x270_part_probes,
 357         },
 358         .ctrl = {
 359                 .hwcontrol = 0,
 360                 .dev_ready = em_x270_nand_device_ready,
 361                 .select_chip = 0,
 362                 .cmd_ctrl = em_x270_nand_cmd_ctl,
 363         },
 364 };
 365
 366 static struct resource em_x270_nand_resource[] = {
 367         [0] = {
 368                 .start = PXA_CS1_PHYS,
 369                 .end   = PXA_CS1_PHYS + 12,
 370                 .flags = IORESOURCE_MEM,
 371         },
 372 };
 373
 374 static struct platform_device em_x270_nand = {
 375         .name           = "gen_nand",
 376         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
 377         .resource       = em_x270_nand_resource,
 378         .id             = -1,
 379         .dev            = {
 380                 .platform_data = &em_x270_nand_platdata,
 381         }
 382 };
 383
 384 static void __init em_x270_init_nand(void)
 385 {
 386         int err;
 387
 388         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
 389         if (err) {
 390                 pr_warning("EM-X270: failed to request NAND CS gpio\n");
 391                 return;
 392         }
 393
 394         gpio_direction_output(GPIO11_NAND_CS, 1);
 395
 396         err = gpio_request(nand_rb, "NAND R/B");
 397         if (err) {
 398                 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
 399                 gpio_free(GPIO11_NAND_CS);
 400                 return;
 401         }
 402
 403         gpio_direction_input(nand_rb);
 404
 405         platform_device_register(&em_x270_nand);
 406 }
 407 #else
 408 static inline void em_x270_init_nand(void) {}
 409 #endif
 410
 411 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 412 static struct mtd_partition em_x270_nor_parts[] = {
 413         {
 414                 .name =         "Bootloader",
 415                 .offset =       0x00000000,
 416                 .size =         0x00050000,
 417                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 418         }, {
 419                 .name =         "Environment",
 420                 .offset =       0x00050000,
 421                 .size =         0x00010000,
 422         }, {
 423                 .name =         "Reserved",
 424                 .offset =       0x00060000,
 425                 .size =         0x00050000,
 426                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 427         }, {
 428                 .name =         "Splashscreen",
 429                 .offset =       0x000b0000,
 430                 .size =         0x00050000,
 431         }
 432 };
 433
 434 static struct physmap_flash_data em_x270_nor_data[] = {
 435         [0] = {
 436                 .width = 2,
 437                 .parts = em_x270_nor_parts,
 438                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
 439         },
 440 };
 441
 442 static struct resource em_x270_nor_flash_resource = {
 443         .start  = PXA_CS0_PHYS,
 444         .end    = PXA_CS0_PHYS + SZ_1M - 1,
 445         .flags  = IORESOURCE_MEM,
 446 };
 447
 448 static struct platform_device em_x270_physmap_flash = {
 449         .name           = "physmap-flash",
 450         .id             = 0,
 451         .num_resources  = 1,
 452         .resource       = &em_x270_nor_flash_resource,
 453         .dev            = {
 454                 .platform_data  = &em_x270_nor_data,
 455         },
 456 };
 457
 458 static void __init em_x270_init_nor(void)
 459 {
 460         platform_device_register(&em_x270_physmap_flash);
 461 }
 462 #else
 463 static inline void em_x270_init_nor(void) {}
 464 #endif
 465
 466 /* PXA27x OHCI controller setup */
 467 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 468 static int em_x270_ohci_init(struct device *dev)
 469 {
 470         /* enable port 2 transiever */
 471         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
 472
 473         return 0;
 474 }
 475
 476 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
 477         .port_mode      = PMM_PERPORT_MODE,
 478         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 479         .init           = em_x270_ohci_init,
 480 };
 481
 482 static void __init em_x270_init_ohci(void)
 483 {
 484         pxa_set_ohci_info(&em_x270_ohci_platform_data);
 485 }
 486 #else
 487 static inline void em_x270_init_ohci(void) {}
 488 #endif
 489
 490 /* MCI controller setup */
 491 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 492 static struct regulator *em_x270_sdio_ldo;
 493
 494 static int em_x270_mci_init(struct device *dev,
 495                             irq_handler_t em_x270_detect_int,
 496                             void *data)
 497 {
 498         int err;
 499
 500         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
 501         if (IS_ERR(em_x270_sdio_ldo)) {
 502                 dev_err(dev, "can't request SDIO power supply: %ld\n",
 503                         PTR_ERR(em_x270_sdio_ldo));
 504                 return PTR_ERR(em_x270_sdio_ldo);
 505         }
 506
 507         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
 508                               IRQF_DISABLED | IRQF_TRIGGER_RISING |
 509                               IRQF_TRIGGER_FALLING,
 510                               "MMC card detect", data);
 511         if (err) {
 512                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
 513                 goto err_irq;
 514         }
 515
 516         if (machine_is_em_x270()) {
 517                 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
 518                 if (err) {
 519                         dev_err(dev, "can't request MMC write protect: %d\n",
 520                                 err);
 521                         goto err_gpio_wp;
 522                 }
 523                 gpio_direction_input(GPIO95_MMC_WP);
 524         } else {
 525                 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
 526                 if (err) {
 527                         dev_err(dev, "can't request MMC power control : %d\n",
 528                                 err);
 529                         goto err_gpio_wp;
 530                 }
 531                 gpio_direction_output(GPIO38_SD_PWEN, 1);
 532         }
 533
 534         return 0;
 535
 536 err_gpio_wp:
 537         free_irq(gpio_to_irq(mmc_cd), data);
 538 err_irq:
 539         regulator_put(em_x270_sdio_ldo);
 540
 541         return err;
 542 }
 543
 544 static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
 545 {
 546         struct pxamci_platform_data* p_d = dev->platform_data;
 547
 548         if ((1 << vdd) & p_d->ocr_mask) {
 549                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
 550
 551                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
 552                 regulator_enable(em_x270_sdio_ldo);
 553         } else {
 554                 regulator_disable(em_x270_sdio_ldo);
 555         }
 556 }
 557
 558 static void em_x270_mci_exit(struct device *dev, void *data)
 559 {
 560         free_irq(gpio_to_irq(mmc_cd), data);
 561         regulator_put(em_x270_sdio_ldo);
 562
 563         if (machine_is_em_x270())
 564                 gpio_free(GPIO95_MMC_WP);
 565         else
 566                 gpio_free(GPIO38_SD_PWEN);
 567 }
 568
 569 static int em_x270_mci_get_ro(struct device *dev)
 570 {
 571         return gpio_get_value(GPIO95_MMC_WP);
 572 }
 573
 574 static struct pxamci_platform_data em_x270_mci_platform_data = {
 575         .ocr_mask       = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
 576                           MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
 577                           MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
 578                           MMC_VDD_30_31|MMC_VDD_31_32,
 579         .init           = em_x270_mci_init,
 580         .setpower       = em_x270_mci_setpower,
 581         .exit           = em_x270_mci_exit,
 582 };
 583
 584 static void __init em_x270_init_mmc(void)
 585 {
 586         if (machine_is_em_x270())
 587                 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
 588
 589         em_x270_mci_platform_data.detect_delay  = msecs_to_jiffies(250);
 590         pxa_set_mci_info(&em_x270_mci_platform_data);
 591 }
 592 #else
 593 static inline void em_x270_init_mmc(void) {}
 594 #endif
 595
 596 /* LCD */
 597 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 598 static struct pxafb_mode_info em_x270_lcd_modes[] = {
 599         [0] = {
 600                 .pixclock       = 38250,
 601                 .bpp            = 16,
 602                 .xres           = 480,
 603                 .yres           = 640,
 604                 .hsync_len      = 8,
 605                 .vsync_len      = 2,
 606                 .left_margin    = 8,
 607                 .upper_margin   = 2,
 608                 .right_margin   = 24,
 609                 .lower_margin   = 4,
 610                 .sync           = 0,
 611         },
 612         [1] = {
 613                 .pixclock       = 153800,
 614                 .bpp            = 16,
 615                 .xres           = 240,
 616                 .yres           = 320,
 617                 .hsync_len      = 8,
 618                 .vsync_len      = 2,
 619                 .left_margin    = 8,
 620                 .upper_margin   = 2,
 621                 .right_margin   = 88,
 622                 .lower_margin   = 2,
 623                 .sync           = 0,
 624         },
 625 };
 626
 627 static struct pxafb_mach_info em_x270_lcd = {
 628         .modes          = em_x270_lcd_modes,
 629         .num_modes      = 2,
 630         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 631 };
 632
 633 static void __init em_x270_init_lcd(void)
 634 {
 635         set_pxa_fb_info(&em_x270_lcd);
 636 }
 637 #else
 638 static inline void em_x270_init_lcd(void) {}
 639 #endif
 640
 641 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 642 static struct pxa2xx_spi_master em_x270_spi_info = {
 643         .num_chipselect = 1,
 644 };
 645
 646 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
 647         .rx_threshold = 1,
 648         .tx_threshold = 1,
 649 };
 650
 651 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
 652         .model = TDO35S,
 653 };
 654
 655 static struct pxa2xx_spi_master em_x270_spi_2_info = {
 656         .num_chipselect = 1,
 657         .enable_dma     = 1,
 658 };
 659
 660 static struct pxa2xx_spi_chip em_x270_libertas_chip = {
 661         .rx_threshold   = 1,
 662         .tx_threshold   = 1,
 663         .timeout        = 1000,
 664 };
 665
 666 static unsigned long em_x270_libertas_pin_config[] = {
 667         /* SSP2 */
 668         GPIO19_SSP2_SCLK,
 669         GPIO14_GPIO,
 670         GPIO89_SSP2_TXD,
 671         GPIO88_SSP2_RXD,
 672 };
 673
 674 static int em_x270_libertas_setup(struct spi_device *spi)
 675 {
 676         int err = gpio_request(GPIO115_WLAN_PWEN, "WLAN PWEN");
 677         if (err)
 678                 return err;
 679
 680         gpio_direction_output(GPIO19_WLAN_STRAP, 1);
 681         mdelay(100);
 682
 683         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_libertas_pin_config));
 684
 685         gpio_direction_output(GPIO115_WLAN_PWEN, 0);
 686         mdelay(100);
 687         gpio_set_value(GPIO115_WLAN_PWEN, 1);
 688         mdelay(100);
 689
 690         spi->bits_per_word = 16;
 691         spi_setup(spi);
 692
 693         return 0;
 694 }
 695
 696 static int em_x270_libertas_teardown(struct spi_device *spi)
 697 {
 698         gpio_set_value(GPIO115_WLAN_PWEN, 0);
 699         gpio_free(GPIO115_WLAN_PWEN);
 700
 701         return 0;
 702 }
 703
 704 struct libertas_spi_platform_data em_x270_libertas_pdata = {
 705         .use_dummy_writes       = 1,
 706         .gpio_cs                = 14,
 707         .setup                  = em_x270_libertas_setup,
 708         .teardown               = em_x270_libertas_teardown,
 709 };
 710
 711 static struct spi_board_info em_x270_spi_devices[] __initdata = {
 712         {
 713                 .modalias               = "tdo24m",
 714                 .max_speed_hz           = 1000000,
 715                 .bus_num                = 1,
 716                 .chip_select            = 0,
 717                 .controller_data        = &em_x270_tdo24m_chip,
 718                 .platform_data          = &em_x270_tdo24m_pdata,
 719         },
 720         {
 721                 .modalias               = "libertas_spi",
 722                 .max_speed_hz           = 13000000,
 723                 .bus_num                = 2,
 724                 .irq                    = IRQ_GPIO(116),
 725                 .chip_select            = 0,
 726                 .controller_data        = &em_x270_libertas_chip,
 727                 .platform_data          = &em_x270_libertas_pdata,
 728         },
 729 };
 730
 731 static void __init em_x270_init_spi(void)
 732 {
 733         pxa2xx_set_spi_info(1, &em_x270_spi_info);
 734         pxa2xx_set_spi_info(2, &em_x270_spi_2_info);
 735         spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
 736 }
 737 #else
 738 static inline void em_x270_init_spi(void) {}
 739 #endif
 740
 741 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
 742 static void __init em_x270_init_ac97(void)
 743 {
 744         pxa_set_ac97_info(NULL);
 745 }
 746 #else
 747 static inline void em_x270_init_ac97(void) {}
 748 #endif
 749
 750 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 751 static unsigned int em_x270_module_matrix_keys[] = {
 752         KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
 753         KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
 754         KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
 755 };
 756
 757 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
 758         /* code map for the matrix keys */
 759         .matrix_key_rows        = 3,
 760         .matrix_key_cols        = 3,
 761         .matrix_key_map         = em_x270_module_matrix_keys,
 762         .matrix_key_map_size    = ARRAY_SIZE(em_x270_module_matrix_keys),
 763 };
 764
 765 static unsigned int em_x270_exeda_matrix_keys[] = {
 766         KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
 767         KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
 768         KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
 769         KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
 770
 771         KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
 772         KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
 773         KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
 774         KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
 775
 776         KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
 777         KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
 778         KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
 779         KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
 780
 781         KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
 782         KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
 783         KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
 784         KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
 785
 786         KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
 787         KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
 788         KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
 789         KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
 790
 791         KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
 792         KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
 793         KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
 794         KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
 795
 796         KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
 797         KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
 798         KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
 799         KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
 800
 801         KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
 802         KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
 803         KEY(7, 4, 0), KEY(7, 5, 0),
 804         KEY(7, 6, 0), KEY(7, 7, 0),
 805 };
 806
 807 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
 808         /* code map for the matrix keys */
 809         .matrix_key_rows        = 8,
 810         .matrix_key_cols        = 8,
 811         .matrix_key_map         = em_x270_exeda_matrix_keys,
 812         .matrix_key_map_size    = ARRAY_SIZE(em_x270_exeda_matrix_keys),
 813 };
 814
 815 static void __init em_x270_init_keypad(void)
 816 {
 817         if (machine_is_em_x270())
 818                 pxa_set_keypad_info(&em_x270_module_keypad_info);
 819         else
 820                 pxa_set_keypad_info(&em_x270_exeda_keypad_info);
 821 }
 822 #else
 823 static inline void em_x270_init_keypad(void) {}
 824 #endif
 825
 826 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 827 static struct gpio_keys_button gpio_keys_button[] = {
 828         [0] = {
 829                 .desc   = "sleep/wakeup",
 830                 .code   = KEY_SUSPEND,
 831                 .type   = EV_PWR,
 832                 .gpio   = 1,
 833                 .wakeup = 1,
 834         },
 835 };
 836
 837 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
 838         .buttons        = gpio_keys_button,
 839         .nbuttons       = 1,
 840 };
 841
 842 static struct platform_device em_x270_gpio_keys = {
 843         .name           = "gpio-keys",
 844         .id             = -1,
 845         .dev            = {
 846                 .platform_data  = &em_x270_gpio_keys_data,
 847         },
 848 };
 849
 850 static void __init em_x270_init_gpio_keys(void)
 851 {
 852         platform_device_register(&em_x270_gpio_keys);
 853 }
 854 #else
 855 static inline void em_x270_init_gpio_keys(void) {}
 856 #endif
 857
 858 /* Quick Capture Interface and sensor setup */
 859 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
 860 static struct regulator *em_x270_camera_ldo;
 861
 862 static int em_x270_sensor_init(struct device *dev)
 863 {
 864         int ret;
 865
 866         ret = gpio_request(GPIO93_CAM_RESET, "camera reset");
 867         if (ret)
 868                 return ret;
 869
 870         gpio_direction_output(GPIO93_CAM_RESET, 0);
 871
 872         em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
 873         if (em_x270_camera_ldo == NULL) {
 874                 gpio_free(GPIO93_CAM_RESET);
 875                 return -ENODEV;
 876         }
 877
 878         ret = regulator_enable(em_x270_camera_ldo);
 879         if (ret) {
 880                 regulator_put(em_x270_camera_ldo);
 881                 gpio_free(GPIO93_CAM_RESET);
 882                 return ret;
 883         }
 884
 885         gpio_set_value(GPIO93_CAM_RESET, 1);
 886
 887         return 0;
 888 }
 889
 890 struct pxacamera_platform_data em_x270_camera_platform_data = {
 891         .init   = em_x270_sensor_init,
 892         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 893                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 894         .mclk_10khz = 2600,
 895 };
 896
 897 static int em_x270_sensor_power(struct device *dev, int on)
 898 {
 899         int ret;
 900         int is_on = regulator_is_enabled(em_x270_camera_ldo);
 901
 902         if (on == is_on)
 903                 return 0;
 904
 905         gpio_set_value(GPIO93_CAM_RESET, !on);
 906
 907         if (on)
 908                 ret = regulator_enable(em_x270_camera_ldo);
 909         else
 910                 ret = regulator_disable(em_x270_camera_ldo);
 911
 912         if (ret)
 913                 return ret;
 914
 915         gpio_set_value(GPIO93_CAM_RESET, on);
 916
 917         return 0;
 918 }
 919
 920 static struct soc_camera_link iclink = {
 921         .bus_id = 0,
 922         .power = em_x270_sensor_power,
 923 };
 924
 925 static struct i2c_board_info em_x270_i2c_cam_info[] = {
 926         {
 927                 I2C_BOARD_INFO("mt9m111", 0x48),
 928                 .platform_data = &iclink,
 929         },
 930 };
 931
 932 static struct i2c_pxa_platform_data em_x270_i2c_info = {
 933         .fast_mode = 1,
 934 };
 935
 936 static void  __init em_x270_init_camera(void)
 937 {
 938         pxa_set_i2c_info(&em_x270_i2c_info);
 939         i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info));
 940         pxa_set_camera_info(&em_x270_camera_platform_data);
 941 }
 942 #else
 943 static inline void em_x270_init_camera(void) {}
 944 #endif
 945
 946 /* DA9030 related initializations */
 947 #define REGULATOR_CONSUMER(_name, _dev, _supply)                               \
 948         static struct regulator_consumer_supply _name##_consumers[] = { \
 949                 {                                                       \
 950                         .dev = _dev,                                    \
 951                         .supply = _supply,                              \
 952                 },                                                      \
 953         }
 954
 955 REGULATOR_CONSUMER(ldo3, NULL, "vcc gps");
 956 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
 957 REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio");
 958 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
 959 REGULATOR_CONSUMER(ldo19, NULL, "vcc gprs");
 960
 961 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)               \
 962         static struct regulator_init_data _ldo##_data = {               \
 963                 .constraints = {                                        \
 964                         .min_uV = _min_uV,                              \
 965                         .max_uV = _max_uV,                              \
 966                         .state_mem = {                                  \
 967                                 .enabled = 0,                           \
 968                         },                                              \
 969                         .valid_ops_mask = _ops_mask,                    \
 970                 },                                                      \
 971                 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),  \
 972                 .consumer_supplies = _ldo##_consumers,                  \
 973         };
 974
 975 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
 976 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
 977 REGULATOR_INIT(ldo10, 2000000, 3200000,
 978                REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
 979 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
 980 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
 981
 982 struct led_info em_x270_led_info = {
 983         .name = "em-x270:orange",
 984         .default_trigger = "battery-charging-or-full",
 985 };
 986
 987 struct power_supply_info em_x270_psy_info = {
 988         .name = "LP555597P6H-FPS",
 989         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 990         .voltage_max_design = 4200000,
 991         .voltage_min_design = 3000000,
 992         .use_for_apm = 1,
 993 };
 994
 995 static void em_x270_battery_low(void)
 996 {
 997         apm_queue_event(APM_LOW_BATTERY);
 998 }
 999
1000 static void em_x270_battery_critical(void)
1001 {
1002         apm_queue_event(APM_CRITICAL_SUSPEND);
1003 }
1004
1005 struct da9030_battery_info em_x270_batterty_info = {
1006         .battery_info = &em_x270_psy_info,
1007
1008         .charge_milliamp = 1000,
1009         .charge_millivolt = 4200,
1010
1011         .vbat_low = 3600,
1012         .vbat_crit = 3400,
1013         .vbat_charge_start = 4100,
1014         .vbat_charge_stop = 4200,
1015         .vbat_charge_restart = 4000,
1016
1017         .vcharge_min = 3200,
1018         .vcharge_max = 5500,
1019
1020         .tbat_low = 197,
1021         .tbat_high = 78,
1022         .tbat_restart = 100,
1023
1024         .batmon_interval = 0,
1025
1026         .battery_low = em_x270_battery_low,
1027         .battery_critical = em_x270_battery_critical,
1028 };
1029
1030 #define DA9030_SUBDEV(_name, _id, _pdata)       \
1031         {                                       \
1032                 .name = "da903x-" #_name,       \
1033                 .id = DA9030_ID_##_id,          \
1034                 .platform_data = _pdata,        \
1035         }
1036
1037 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
1038
1039 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
1040         DA9030_LDO(3),
1041         DA9030_LDO(5),
1042         DA9030_LDO(10),
1043         DA9030_LDO(12),
1044         DA9030_LDO(19),
1045
1046         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
1047         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
1048         DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
1049 };
1050
1051 static struct da903x_platform_data em_x270_da9030_info = {
1052         .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
1053         .subdevs = em_x270_da9030_subdevs,
1054 };
1055
1056 static struct i2c_board_info em_x270_i2c_pmic_info = {
1057         I2C_BOARD_INFO("da9030", 0x49),
1058         .irq = IRQ_GPIO(0),
1059         .platform_data = &em_x270_da9030_info,
1060 };
1061
1062 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
1063         .use_pio = 1,
1064 };
1065
1066 static void __init em_x270_init_da9030(void)
1067 {
1068         pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
1069         i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1070 }
1071
1072 static void __init em_x270_module_init(void)
1073 {
1074         pr_info("%s\n", __func__);
1075         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1076
1077         mmc_cd = GPIO13_MMC_CD;
1078         nand_rb = GPIO56_NAND_RB;
1079         dm9000_flags = DM9000_PLATF_32BITONLY;
1080 }
1081
1082 static void __init em_x270_exeda_init(void)
1083 {
1084         pr_info("%s\n", __func__);
1085         pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1086
1087         mmc_cd = GPIO114_MMC_CD;
1088         nand_rb = GPIO20_NAND_RB;
1089         dm9000_flags = DM9000_PLATF_16BITONLY;
1090 }
1091
1092 static void __init em_x270_init(void)
1093 {
1094         pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1095
1096         if (machine_is_em_x270())
1097                 em_x270_module_init();
1098         else if (machine_is_exeda())
1099                 em_x270_exeda_init();
1100         else
1101                 panic("Unsupported machine: %d\n", machine_arch_type);
1102
1103         em_x270_init_da9030();
1104         em_x270_init_dm9000();
1105         em_x270_init_rtc();
1106         em_x270_init_nand();
1107         em_x270_init_nor();
1108         em_x270_init_lcd();
1109         em_x270_init_mmc();
1110         em_x270_init_ohci();
1111         em_x270_init_keypad();
1112         em_x270_init_gpio_keys();
1113         em_x270_init_ac97();
1114         em_x270_init_camera();
1115         em_x270_init_spi();
1116 }
1117
1118 MACHINE_START(EM_X270, "Compulab EM-X270")
1119         .boot_params    = 0xa0000100,
1120         .phys_io        = 0x40000000,
1121         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1122         .map_io         = pxa_map_io,
1123         .init_irq       = pxa27x_init_irq,
1124         .timer          = &pxa_timer,
1125         .init_machine   = em_x270_init,
1126 MACHINE_END
1127
1128 MACHINE_START(EXEDA, "Compulab eXeda")
1129         .boot_params    = 0xa0000100,
1130         .phys_io        = 0x40000000,
1131         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1132         .map_io         = pxa_map_io,
1133         .init_irq       = pxa27x_init_irq,
1134         .timer          = &pxa_timer,
1135         .init_machine   = em_x270_init,
1136 MACHINE_END