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
  32 #include <media/soc_camera.h>
  33
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36
  37 #include <mach/pxa27x.h>
  38 #include <mach/pxa27x-udc.h>
  39 #include <mach/audio.h>
  40 #include <mach/pxafb.h>
  41 #include <mach/ohci.h>
  42 #include <mach/mmc.h>
  43 #include <mach/pxa27x_keypad.h>
  44 #include <mach/i2c.h>
  45 #include <mach/camera.h>
  46 #include <mach/pxa2xx_spi.h>
  47
  48 #include "generic.h"
  49 #include "devices.h"
  50
  51 /* EM-X270 specific GPIOs */
  52 #define GPIO13_MMC_CD           (13)
  53 #define GPIO95_MMC_WP           (95)
  54 #define GPIO56_NAND_RB          (56)
  55
  56 /* eXeda specific GPIOs */
  57 #define GPIO114_MMC_CD          (114)
  58 #define GPIO20_NAND_RB          (20)
  59 #define GPIO38_SD_PWEN          (38)
  60
  61 /* common  GPIOs */
  62 #define GPIO11_NAND_CS          (11)
  63 #define GPIO93_CAM_RESET        (93)
  64 #define GPIO41_ETHIRQ           (41)
  65 #define EM_X270_ETHIRQ          IRQ_GPIO(GPIO41_ETHIRQ)
  66 #define GPIO115_WLAN_PWEN       (115)
  67 #define GPIO19_WLAN_STRAP       (19)
  68
  69 static int mmc_cd;
  70 static int nand_rb;
  71 static int dm9000_flags;
  72
  73 static unsigned long common_pin_config[] = {
  74         /* AC'97 */
  75         GPIO28_AC97_BITCLK,
  76         GPIO29_AC97_SDATA_IN_0,
  77         GPIO30_AC97_SDATA_OUT,
  78         GPIO31_AC97_SYNC,
  79         GPIO98_AC97_SYSCLK,
  80         GPIO113_AC97_nRESET,
  81
  82         /* BTUART */
  83         GPIO42_BTUART_RXD,
  84         GPIO43_BTUART_TXD,
  85         GPIO44_BTUART_CTS,
  86         GPIO45_BTUART_RTS,
  87
  88         /* STUART */
  89         GPIO46_STUART_RXD,
  90         GPIO47_STUART_TXD,
  91
  92         /* MCI controller */
  93         GPIO32_MMC_CLK,
  94         GPIO112_MMC_CMD,
  95         GPIO92_MMC_DAT_0,
  96         GPIO109_MMC_DAT_1,
  97         GPIO110_MMC_DAT_2,
  98         GPIO111_MMC_DAT_3,
  99
 100         /* LCD */
 101         GPIO58_LCD_LDD_0,
 102         GPIO59_LCD_LDD_1,
 103         GPIO60_LCD_LDD_2,
 104         GPIO61_LCD_LDD_3,
 105         GPIO62_LCD_LDD_4,
 106         GPIO63_LCD_LDD_5,
 107         GPIO64_LCD_LDD_6,
 108         GPIO65_LCD_LDD_7,
 109         GPIO66_LCD_LDD_8,
 110         GPIO67_LCD_LDD_9,
 111         GPIO68_LCD_LDD_10,
 112         GPIO69_LCD_LDD_11,
 113         GPIO70_LCD_LDD_12,
 114         GPIO71_LCD_LDD_13,
 115         GPIO72_LCD_LDD_14,
 116         GPIO73_LCD_LDD_15,
 117         GPIO74_LCD_FCLK,
 118         GPIO75_LCD_LCLK,
 119         GPIO76_LCD_PCLK,
 120         GPIO77_LCD_BIAS,
 121
 122         /* QCI */
 123         GPIO84_CIF_FV,
 124         GPIO25_CIF_LV,
 125         GPIO53_CIF_MCLK,
 126         GPIO54_CIF_PCLK,
 127         GPIO81_CIF_DD_0,
 128         GPIO55_CIF_DD_1,
 129         GPIO51_CIF_DD_2,
 130         GPIO50_CIF_DD_3,
 131         GPIO52_CIF_DD_4,
 132         GPIO48_CIF_DD_5,
 133         GPIO17_CIF_DD_6,
 134         GPIO12_CIF_DD_7,
 135
 136         /* I2C */
 137         GPIO117_I2C_SCL,
 138         GPIO118_I2C_SDA,
 139
 140         /* Keypad */
 141         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 142         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 143         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 144         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 145         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 146         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 147         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
 148         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
 149         GPIO103_KP_MKOUT_0,
 150         GPIO104_KP_MKOUT_1,
 151         GPIO105_KP_MKOUT_2,
 152         GPIO106_KP_MKOUT_3,
 153         GPIO107_KP_MKOUT_4,
 154         GPIO108_KP_MKOUT_5,
 155         GPIO96_KP_MKOUT_6,
 156         GPIO22_KP_MKOUT_7,
 157
 158         /* SSP1 */
 159         GPIO26_SSP1_RXD,
 160         GPIO23_SSP1_SCLK,
 161         GPIO24_SSP1_SFRM,
 162         GPIO57_SSP1_TXD,
 163
 164         /* SSP2 */
 165         GPIO19_GPIO,    /* SSP2 clock is used as GPIO for Libertas pin-strap */
 166         GPIO14_GPIO,
 167         GPIO89_SSP2_TXD,
 168         GPIO88_SSP2_RXD,
 169
 170         /* SDRAM and local bus */
 171         GPIO15_nCS_1,
 172         GPIO78_nCS_2,
 173         GPIO79_nCS_3,
 174         GPIO80_nCS_4,
 175         GPIO49_nPWE,
 176         GPIO18_RDY,
 177
 178         /* GPIO */
 179         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
 180
 181         /* power controls */
 182         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
 183         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
 184         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
 185
 186         /* NAND controls */
 187         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
 188
 189         /* interrupts */
 190         GPIO41_GPIO,    /* DM9000 interrupt */
 191 };
 192
 193 static unsigned long em_x270_pin_config[] = {
 194         GPIO13_GPIO,    /* MMC card detect */
 195         GPIO56_GPIO,    /* NAND Ready/Busy */
 196         GPIO95_GPIO,    /* MMC Write protect */
 197 };
 198
 199 static unsigned long exeda_pin_config[] = {
 200         GPIO20_GPIO,                            /* NAND Ready/Busy */
 201         GPIO38_GPIO     | MFP_LPM_DRIVE_LOW,    /* SD slot power */
 202         GPIO114_GPIO,                           /* MMC card detect */
 203 };
 204
 205 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 206 static struct resource em_x270_dm9000_resource[] = {
 207         [0] = {
 208                 .start = PXA_CS2_PHYS,
 209                 .end   = PXA_CS2_PHYS + 3,
 210                 .flags = IORESOURCE_MEM,
 211         },
 212         [1] = {
 213                 .start = PXA_CS2_PHYS + 8,
 214                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
 215                 .flags = IORESOURCE_MEM,
 216         },
 217         [2] = {
 218                 .start = EM_X270_ETHIRQ,
 219                 .end   = EM_X270_ETHIRQ,
 220                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 221         }
 222 };
 223
 224 static struct dm9000_plat_data em_x270_dm9000_platdata = {
 225         .flags          = DM9000_PLATF_NO_EEPROM,
 226 };
 227
 228 static struct platform_device em_x270_dm9000 = {
 229         .name           = "dm9000",
 230         .id             = 0,
 231         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
 232         .resource       = em_x270_dm9000_resource,
 233         .dev            = {
 234                 .platform_data = &em_x270_dm9000_platdata,
 235         }
 236 };
 237
 238 static void __init em_x270_init_dm9000(void)
 239 {
 240         em_x270_dm9000_platdata.flags |= dm9000_flags;
 241         platform_device_register(&em_x270_dm9000);
 242 }
 243 #else
 244 static inline void em_x270_init_dm9000(void) {}
 245 #endif
 246
 247 /* V3020 RTC */
 248 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 249 static struct resource em_x270_v3020_resource[] = {
 250         [0] = {
 251                 .start = PXA_CS4_PHYS,
 252                 .end   = PXA_CS4_PHYS + 3,
 253                 .flags = IORESOURCE_MEM,
 254         },
 255 };
 256
 257 static struct v3020_platform_data em_x270_v3020_platdata = {
 258         .leftshift = 0,
 259 };
 260
 261 static struct platform_device em_x270_rtc = {
 262         .name           = "v3020",
 263         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
 264         .resource       = em_x270_v3020_resource,
 265         .id             = -1,
 266         .dev            = {
 267                 .platform_data = &em_x270_v3020_platdata,
 268         }
 269 };
 270
 271 static void __init em_x270_init_rtc(void)
 272 {
 273         platform_device_register(&em_x270_rtc);
 274 }
 275 #else
 276 static inline void em_x270_init_rtc(void) {}
 277 #endif
 278
 279 /* NAND flash */
 280 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 281 static inline void nand_cs_on(void)
 282 {
 283         gpio_set_value(GPIO11_NAND_CS, 0);
 284 }
 285
 286 static void nand_cs_off(void)
 287 {
 288         dsb();
 289
 290         gpio_set_value(GPIO11_NAND_CS, 1);
 291 }
 292
 293 /* hardware specific access to control-lines */
 294 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
 295                                  unsigned int ctrl)
 296 {
 297         struct nand_chip *this = mtd->priv;
 298         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 299
 300         dsb();
 301
 302         if (ctrl & NAND_CTRL_CHANGE) {
 303                 if (ctrl & NAND_ALE)
 304                         nandaddr |=  (1 << 3);
 305                 else
 306                         nandaddr &= ~(1 << 3);
 307                 if (ctrl & NAND_CLE)
 308                         nandaddr |=  (1 << 2);
 309                 else
 310                         nandaddr &= ~(1 << 2);
 311                 if (ctrl & NAND_NCE)
 312                         nand_cs_on();
 313                 else
 314                         nand_cs_off();
 315         }
 316
 317         dsb();
 318         this->IO_ADDR_W = (void __iomem *)nandaddr;
 319         if (dat != NAND_CMD_NONE)
 320                 writel(dat, this->IO_ADDR_W);
 321
 322         dsb();
 323 }
 324
 325 /* read device ready pin */
 326 static int em_x270_nand_device_ready(struct mtd_info *mtd)
 327 {
 328         dsb();
 329
 330         return gpio_get_value(nand_rb);
 331 }
 332
 333 static struct mtd_partition em_x270_partition_info[] = {
 334         [0] = {
 335                 .name   = "em_x270-0",
 336                 .offset = 0,
 337                 .size   = SZ_4M,
 338         },
 339         [1] = {
 340                 .name   = "em_x270-1",
 341                 .offset = MTDPART_OFS_APPEND,
 342                 .size   = MTDPART_SIZ_FULL
 343         },
 344 };
 345
 346 static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
 347
 348 struct platform_nand_data em_x270_nand_platdata = {
 349         .chip = {
 350                 .nr_chips = 1,
 351                 .chip_offset = 0,
 352                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
 353                 .partitions = em_x270_partition_info,
 354                 .chip_delay = 20,
 355                 .part_probe_types = em_x270_part_probes,
 356         },
 357         .ctrl = {
 358                 .hwcontrol = 0,
 359                 .dev_ready = em_x270_nand_device_ready,
 360                 .select_chip = 0,
 361                 .cmd_ctrl = em_x270_nand_cmd_ctl,
 362         },
 363 };
 364
 365 static struct resource em_x270_nand_resource[] = {
 366         [0] = {
 367                 .start = PXA_CS1_PHYS,
 368                 .end   = PXA_CS1_PHYS + 12,
 369                 .flags = IORESOURCE_MEM,
 370         },
 371 };
 372
 373 static struct platform_device em_x270_nand = {
 374         .name           = "gen_nand",
 375         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
 376         .resource       = em_x270_nand_resource,
 377         .id             = -1,
 378         .dev            = {
 379                 .platform_data = &em_x270_nand_platdata,
 380         }
 381 };
 382
 383 static void __init em_x270_init_nand(void)
 384 {
 385         int err;
 386
 387         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
 388         if (err) {
 389                 pr_warning("EM-X270: failed to request NAND CS gpio\n");
 390                 return;
 391         }
 392
 393         gpio_direction_output(GPIO11_NAND_CS, 1);
 394
 395         err = gpio_request(nand_rb, "NAND R/B");
 396         if (err) {
 397                 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
 398                 gpio_free(GPIO11_NAND_CS);
 399                 return;
 400         }
 401
 402         gpio_direction_input(nand_rb);
 403
 404         platform_device_register(&em_x270_nand);
 405 }
 406 #else
 407 static inline void em_x270_init_nand(void) {}
 408 #endif
 409
 410 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 411 static struct mtd_partition em_x270_nor_parts[] = {
 412         {
 413                 .name =         "Bootloader",
 414                 .offset =       0x00000000,
 415                 .size =         0x00050000,
 416                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 417         }, {
 418                 .name =         "Environment",
 419                 .offset =       0x00050000,
 420                 .size =         0x00010000,
 421         }, {
 422                 .name =         "Reserved",
 423                 .offset =       0x00060000,
 424                 .size =         0x00050000,
 425                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 426         }, {
 427                 .name =         "Splashscreen",
 428                 .offset =       0x000b0000,
 429                 .size =         0x00050000,
 430         }
 431 };
 432
 433 static struct physmap_flash_data em_x270_nor_data[] = {
 434         [0] = {
 435                 .width = 2,
 436                 .parts = em_x270_nor_parts,
 437                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
 438         },
 439 };
 440
 441 static struct resource em_x270_nor_flash_resource = {
 442         .start  = PXA_CS0_PHYS,
 443         .end    = PXA_CS0_PHYS + SZ_1M - 1,
 444         .flags  = IORESOURCE_MEM,
 445 };
 446
 447 static struct platform_device em_x270_physmap_flash = {
 448         .name           = "physmap-flash",
 449         .id             = 0,
 450         .num_resources  = 1,
 451         .resource       = &em_x270_nor_flash_resource,
 452         .dev            = {
 453                 .platform_data  = &em_x270_nor_data,
 454         },
 455 };
 456
 457 static void __init em_x270_init_nor(void)
 458 {
 459         platform_device_register(&em_x270_physmap_flash);
 460 }
 461 #else
 462 static inline void em_x270_init_nor(void) {}
 463 #endif
 464
 465 /* PXA27x OHCI controller setup */
 466 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 467 static int em_x270_ohci_init(struct device *dev)
 468 {
 469         /* enable port 2 transiever */
 470         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
 471
 472         return 0;
 473 }
 474
 475 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
 476         .port_mode      = PMM_PERPORT_MODE,
 477         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 478         .init           = em_x270_ohci_init,
 479 };
 480
 481 static void __init em_x270_init_ohci(void)
 482 {
 483         pxa_set_ohci_info(&em_x270_ohci_platform_data);
 484 }
 485 #else
 486 static inline void em_x270_init_ohci(void) {}
 487 #endif
 488
 489 /* MCI controller setup */
 490 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 491 static struct regulator *em_x270_sdio_ldo;
 492
 493 static int em_x270_mci_init(struct device *dev,
 494                             irq_handler_t em_x270_detect_int,
 495                             void *data)
 496 {
 497         int err;
 498
 499         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
 500         if (IS_ERR(em_x270_sdio_ldo)) {
 501                 dev_err(dev, "can't request SDIO power supply: %ld\n",
 502                         PTR_ERR(em_x270_sdio_ldo));
 503                 return PTR_ERR(em_x270_sdio_ldo);
 504         }
 505
 506         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
 507                               IRQF_DISABLED | IRQF_TRIGGER_RISING |
 508                               IRQF_TRIGGER_FALLING,
 509                               "MMC card detect", data);
 510         if (err) {
 511                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
 512                 goto err_irq;
 513         }
 514
 515         if (machine_is_em_x270()) {
 516                 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
 517                 if (err) {
 518                         dev_err(dev, "can't request MMC write protect: %d\n",
 519                                 err);
 520                         goto err_gpio_wp;
 521                 }
 522                 gpio_direction_input(GPIO95_MMC_WP);
 523         } else {
 524                 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
 525                 if (err) {
 526                         dev_err(dev, "can't request MMC power control : %d\n",
 527                                 err);
 528                         goto err_gpio_wp;
 529                 }
 530                 gpio_direction_output(GPIO38_SD_PWEN, 1);
 531         }
 532
 533         return 0;
 534
 535 err_gpio_wp:
 536         free_irq(gpio_to_irq(mmc_cd), data);
 537 err_irq:
 538         regulator_put(em_x270_sdio_ldo);
 539
 540         return err;
 541 }
 542
 543 static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
 544 {
 545         struct pxamci_platform_data* p_d = dev->platform_data;
 546
 547         if ((1 << vdd) & p_d->ocr_mask) {
 548                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
 549
 550                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
 551                 regulator_enable(em_x270_sdio_ldo);
 552         } else {
 553                 regulator_disable(em_x270_sdio_ldo);
 554         }
 555 }
 556
 557 static void em_x270_mci_exit(struct device *dev, void *data)
 558 {
 559         free_irq(gpio_to_irq(mmc_cd), data);
 560         regulator_put(em_x270_sdio_ldo);
 561
 562         if (machine_is_em_x270())
 563                 gpio_free(GPIO95_MMC_WP);
 564         else
 565                 gpio_free(GPIO38_SD_PWEN);
 566 }
 567
 568 static int em_x270_mci_get_ro(struct device *dev)
 569 {
 570         return gpio_get_value(GPIO95_MMC_WP);
 571 }
 572
 573 static struct pxamci_platform_data em_x270_mci_platform_data = {
 574         .ocr_mask       = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
 575                           MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
 576                           MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
 577                           MMC_VDD_30_31|MMC_VDD_31_32,
 578         .init           = em_x270_mci_init,
 579         .setpower       = em_x270_mci_setpower,
 580         .exit           = em_x270_mci_exit,
 581 };
 582
 583 static void __init em_x270_init_mmc(void)
 584 {
 585         if (machine_is_em_x270())
 586                 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
 587
 588         em_x270_mci_platform_data.detect_delay  = msecs_to_jiffies(250);
 589         pxa_set_mci_info(&em_x270_mci_platform_data);
 590 }
 591 #else
 592 static inline void em_x270_init_mmc(void) {}
 593 #endif
 594
 595 /* LCD */
 596 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 597 static struct pxafb_mode_info em_x270_lcd_modes[] = {
 598         [0] = {
 599                 .pixclock       = 38250,
 600                 .bpp            = 16,
 601                 .xres           = 480,
 602                 .yres           = 640,
 603                 .hsync_len      = 8,
 604                 .vsync_len      = 2,
 605                 .left_margin    = 8,
 606                 .upper_margin   = 2,
 607                 .right_margin   = 24,
 608                 .lower_margin   = 4,
 609                 .sync           = 0,
 610         },
 611         [1] = {
 612                 .pixclock       = 153800,
 613                 .bpp            = 16,
 614                 .xres           = 240,
 615                 .yres           = 320,
 616                 .hsync_len      = 8,
 617                 .vsync_len      = 2,
 618                 .left_margin    = 8,
 619                 .upper_margin   = 2,
 620                 .right_margin   = 88,
 621                 .lower_margin   = 2,
 622                 .sync           = 0,
 623         },
 624 };
 625
 626 static struct pxafb_mach_info em_x270_lcd = {
 627         .modes          = em_x270_lcd_modes,
 628         .num_modes      = 2,
 629         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 630 };
 631
 632 static void __init em_x270_init_lcd(void)
 633 {
 634         set_pxa_fb_info(&em_x270_lcd);
 635 }
 636 #else
 637 static inline void em_x270_init_lcd(void) {}
 638 #endif
 639
 640 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 641 static struct pxa2xx_spi_master em_x270_spi_info = {
 642         .num_chipselect = 1,
 643 };
 644
 645 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
 646         .rx_threshold   = 1,
 647         .tx_threshold   = 1,
 648         .gpio_cs        = -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