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
  15 #include <linux/dm9000.h>
  16 #include <linux/rtc-v3020.h>
  17 #include <linux/mtd/nand.h>
  18 #include <linux/mtd/partitions.h>
  19 #include <linux/mtd/physmap.h>
  20 #include <linux/input.h>
  21 #include <linux/gpio_keys.h>
  22 #include <linux/gpio.h>
  23 #include <linux/mfd/da903x.h>
  24 #include <linux/regulator/machine.h>
  25 #include <linux/spi/spi.h>
  26 #include <linux/spi/tdo24m.h>
  27 #include <linux/power_supply.h>
  28 #include <linux/apm-emulation.h>
  29
  30 #include <media/soc_camera.h>
  31
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34
  35 #include <mach/mfp-pxa27x.h>
  36 #include <mach/pxa-regs.h>
  37 #include <mach/pxa27x-udc.h>
  38 #include <mach/audio.h>
  39 #include <mach/pxafb.h>
  40 #include <mach/ohci.h>
  41 #include <mach/mmc.h>
  42 #include <mach/pxa27x_keypad.h>
  43 #include <mach/i2c.h>
  44 #include <mach/camera.h>
  45 #include <mach/pxa2xx_spi.h>
  46
  47 #include "generic.h"
  48 #include "devices.h"
  49
  50 /* GPIO IRQ usage */
  51 #define GPIO41_ETHIRQ           (41)
  52 #define GPIO13_MMC_CD           (13)
  53 #define EM_X270_ETHIRQ          IRQ_GPIO(GPIO41_ETHIRQ)
  54
  55 /* NAND control GPIOs */
  56 #define GPIO11_NAND_CS  (11)
  57 #define GPIO56_NAND_RB  (56)
  58
  59 /* Miscelaneous GPIOs */
  60 #define GPIO93_CAM_RESET        (93)
  61 #define GPIO95_MMC_WP           (95)
  62
  63 static int mmc_cd;
  64 static int nand_rb;
  65 static int dm9000_flags;
  66
  67 static unsigned long common_pin_config[] = {
  68         /* AC'97 */
  69         GPIO28_AC97_BITCLK,
  70         GPIO29_AC97_SDATA_IN_0,
  71         GPIO30_AC97_SDATA_OUT,
  72         GPIO31_AC97_SYNC,
  73         GPIO98_AC97_SYSCLK,
  74         GPIO113_AC97_nRESET,
  75
  76         /* BTUART */
  77         GPIO42_BTUART_RXD,
  78         GPIO43_BTUART_TXD,
  79         GPIO44_BTUART_CTS,
  80         GPIO45_BTUART_RTS,
  81
  82         /* STUART */
  83         GPIO46_STUART_RXD,
  84         GPIO47_STUART_TXD,
  85
  86         /* MCI controller */
  87         GPIO32_MMC_CLK,
  88         GPIO112_MMC_CMD,
  89         GPIO92_MMC_DAT_0,
  90         GPIO109_MMC_DAT_1,
  91         GPIO110_MMC_DAT_2,
  92         GPIO111_MMC_DAT_3,
  93
  94         /* LCD */
  95         GPIO58_LCD_LDD_0,
  96         GPIO59_LCD_LDD_1,
  97         GPIO60_LCD_LDD_2,
  98         GPIO61_LCD_LDD_3,
  99         GPIO62_LCD_LDD_4,
 100         GPIO63_LCD_LDD_5,
 101         GPIO64_LCD_LDD_6,
 102         GPIO65_LCD_LDD_7,
 103         GPIO66_LCD_LDD_8,
 104         GPIO67_LCD_LDD_9,
 105         GPIO68_LCD_LDD_10,
 106         GPIO69_LCD_LDD_11,
 107         GPIO70_LCD_LDD_12,
 108         GPIO71_LCD_LDD_13,
 109         GPIO72_LCD_LDD_14,
 110         GPIO73_LCD_LDD_15,
 111         GPIO74_LCD_FCLK,
 112         GPIO75_LCD_LCLK,
 113         GPIO76_LCD_PCLK,
 114         GPIO77_LCD_BIAS,
 115
 116         /* QCI */
 117         GPIO84_CIF_FV,
 118         GPIO25_CIF_LV,
 119         GPIO53_CIF_MCLK,
 120         GPIO54_CIF_PCLK,
 121         GPIO81_CIF_DD_0,
 122         GPIO55_CIF_DD_1,
 123         GPIO51_CIF_DD_2,
 124         GPIO50_CIF_DD_3,
 125         GPIO52_CIF_DD_4,
 126         GPIO48_CIF_DD_5,
 127         GPIO17_CIF_DD_6,
 128         GPIO12_CIF_DD_7,
 129
 130         /* I2C */
 131         GPIO117_I2C_SCL,
 132         GPIO118_I2C_SDA,
 133
 134         /* Keypad */
 135         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 136         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 137         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 138         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 139         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 140         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 141         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
 142         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
 143         GPIO103_KP_MKOUT_0,
 144         GPIO104_KP_MKOUT_1,
 145         GPIO105_KP_MKOUT_2,
 146         GPIO106_KP_MKOUT_3,
 147         GPIO107_KP_MKOUT_4,
 148         GPIO108_KP_MKOUT_5,
 149         GPIO96_KP_MKOUT_6,
 150         GPIO22_KP_MKOUT_7,
 151
 152         /* SSP1 */
 153         GPIO26_SSP1_RXD,
 154         GPIO23_SSP1_SCLK,
 155         GPIO24_SSP1_SFRM,
 156         GPIO57_SSP1_TXD,
 157
 158         /* SSP2 */
 159         GPIO19_SSP2_SCLK,
 160         GPIO14_SSP2_SFRM,
 161         GPIO89_SSP2_TXD,
 162         GPIO88_SSP2_RXD,
 163
 164         /* SDRAM and local bus */
 165         GPIO15_nCS_1,
 166         GPIO78_nCS_2,
 167         GPIO79_nCS_3,
 168         GPIO80_nCS_4,
 169         GPIO49_nPWE,
 170         GPIO18_RDY,
 171
 172         /* GPIO */
 173         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
 174
 175         /* power controls */
 176         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
 177         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
 178         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
 179
 180         /* NAND controls */
 181         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
 182
 183         /* interrupts */
 184         GPIO41_GPIO,    /* DM9000 interrupt */
 185 };
 186
 187 static unsigned long em_x270_pin_config[] = {
 188         GPIO13_GPIO,    /* MMC card detect */
 189         GPIO56_GPIO,    /* NAND Ready/Busy */
 190         GPIO95_GPIO,    /* MMC Write protect */
 191 };
 192
 193 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 194 static struct resource em_x270_dm9000_resource[] = {
 195         [0] = {
 196                 .start = PXA_CS2_PHYS,
 197                 .end   = PXA_CS2_PHYS + 3,
 198                 .flags = IORESOURCE_MEM,
 199         },
 200         [1] = {
 201                 .start = PXA_CS2_PHYS + 8,
 202                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
 203                 .flags = IORESOURCE_MEM,
 204         },
 205         [2] = {
 206                 .start = EM_X270_ETHIRQ,
 207                 .end   = EM_X270_ETHIRQ,
 208                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 209         }
 210 };
 211
 212 static struct dm9000_plat_data em_x270_dm9000_platdata = {
 213         .flags          = DM9000_PLATF_NO_EEPROM,
 214 };
 215
 216 static struct platform_device em_x270_dm9000 = {
 217         .name           = "dm9000",
 218         .id             = 0,
 219         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
 220         .resource       = em_x270_dm9000_resource,
 221         .dev            = {
 222                 .platform_data = &em_x270_dm9000_platdata,
 223         }
 224 };
 225
 226 static void __init em_x270_init_dm9000(void)
 227 {
 228         em_x270_dm9000_platdata.flags |= dm9000_flags;
 229         platform_device_register(&em_x270_dm9000);
 230 }
 231 #else
 232 static inline void em_x270_init_dm9000(void) {}
 233 #endif
 234
 235 /* V3020 RTC */
 236 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 237 static struct resource em_x270_v3020_resource[] = {
 238         [0] = {
 239                 .start = PXA_CS4_PHYS,
 240                 .end   = PXA_CS4_PHYS + 3,
 241                 .flags = IORESOURCE_MEM,
 242         },
 243 };
 244
 245 static struct v3020_platform_data em_x270_v3020_platdata = {
 246         .leftshift = 0,
 247 };
 248
 249 static struct platform_device em_x270_rtc = {
 250         .name           = "v3020",
 251         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
 252         .resource       = em_x270_v3020_resource,
 253         .id             = -1,
 254         .dev            = {
 255                 .platform_data = &em_x270_v3020_platdata,
 256         }
 257 };
 258
 259 static void __init em_x270_init_rtc(void)
 260 {
 261         platform_device_register(&em_x270_rtc);
 262 }
 263 #else
 264 static inline void em_x270_init_rtc(void) {}
 265 #endif
 266
 267 /* NAND flash */
 268 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 269 static inline void nand_cs_on(void)
 270 {
 271         gpio_set_value(GPIO11_NAND_CS, 0);
 272 }
 273
 274 static void nand_cs_off(void)
 275 {
 276         dsb();
 277
 278         gpio_set_value(GPIO11_NAND_CS, 1);
 279 }
 280
 281 /* hardware specific access to control-lines */
 282 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
 283                                  unsigned int ctrl)
 284 {
 285         struct nand_chip *this = mtd->priv;
 286         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 287
 288         dsb();
 289
 290         if (ctrl & NAND_CTRL_CHANGE) {
 291                 if (ctrl & NAND_ALE)
 292                         nandaddr |=  (1 << 3);
 293                 else
 294                         nandaddr &= ~(1 << 3);
 295                 if (ctrl & NAND_CLE)
 296                         nandaddr |=  (1 << 2);
 297                 else
 298                         nandaddr &= ~(1 << 2);
 299                 if (ctrl & NAND_NCE)
 300                         nand_cs_on();
 301                 else
 302                         nand_cs_off();
 303         }
 304
 305         dsb();
 306         this->IO_ADDR_W = (void __iomem *)nandaddr;
 307         if (dat != NAND_CMD_NONE)
 308                 writel(dat, this->IO_ADDR_W);
 309
 310         dsb();
 311 }
 312
 313 /* read device ready pin */
 314 static int em_x270_nand_device_ready(struct mtd_info *mtd)
 315 {
 316         dsb();
 317
 318         return gpio_get_value(nand_rb);
 319 }
 320
 321 static struct mtd_partition em_x270_partition_info[] = {
 322         [0] = {
 323                 .name   = "em_x270-0",
 324                 .offset = 0,
 325                 .size   = SZ_4M,
 326         },
 327         [1] = {
 328                 .name   = "em_x270-1",
 329                 .offset = MTDPART_OFS_APPEND,
 330                 .size   = MTDPART_SIZ_FULL
 331         },
 332 };
 333
 334 static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
 335
 336 struct platform_nand_data em_x270_nand_platdata = {
 337         .chip = {
 338                 .nr_chips = 1,
 339                 .chip_offset = 0,
 340                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
 341                 .partitions = em_x270_partition_info,
 342                 .chip_delay = 20,
 343                 .part_probe_types = em_x270_part_probes,
 344         },
 345         .ctrl = {
 346                 .hwcontrol = 0,
 347                 .dev_ready = em_x270_nand_device_ready,
 348                 .select_chip = 0,
 349                 .cmd_ctrl = em_x270_nand_cmd_ctl,
 350         },
 351 };
 352
 353 static struct resource em_x270_nand_resource[] = {
 354         [0] = {
 355                 .start = PXA_CS1_PHYS,
 356                 .end   = PXA_CS1_PHYS + 12,
 357                 .flags = IORESOURCE_MEM,
 358         },
 359 };
 360
 361 static struct platform_device em_x270_nand = {
 362         .name           = "gen_nand",
 363         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
 364         .resource       = em_x270_nand_resource,
 365         .id             = -1,
 366         .dev            = {
 367                 .platform_data = &em_x270_nand_platdata,
 368         }
 369 };
 370
 371 static void __init em_x270_init_nand(void)
 372 {
 373         int err;
 374
 375         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
 376         if (err) {
 377                 pr_warning("EM-X270: failed to request NAND CS gpio\n");
 378                 return;
 379         }
 380
 381         gpio_direction_output(GPIO11_NAND_CS, 1);
 382
 383         err = gpio_request(nand_rb, "NAND R/B");
 384         if (err) {
 385                 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
 386                 gpio_free(GPIO11_NAND_CS);
 387                 return;
 388         }
 389
 390         gpio_direction_input(nand_rb);
 391
 392         platform_device_register(&em_x270_nand);
 393 }
 394 #else
 395 static inline void em_x270_init_nand(void) {}
 396 #endif
 397
 398 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 399 static struct mtd_partition em_x270_nor_parts[] = {
 400         {
 401                 .name =         "Bootloader",
 402                 .offset =       0x00000000,
 403                 .size =         0x00050000,
 404                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 405         }, {
 406                 .name =         "Environment",
 407                 .offset =       0x00050000,
 408                 .size =         0x00010000,
 409         }, {
 410                 .name =         "Reserved",
 411                 .offset =       0x00060000,
 412                 .size =         0x00050000,
 413                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 414         }, {
 415                 .name =         "Splashscreen",
 416                 .offset =       0x000b0000,
 417                 .size =         0x00050000,
 418         }
 419 };
 420
 421 static struct physmap_flash_data em_x270_nor_data[] = {
 422         [0] = {
 423                 .width = 2,
 424                 .parts = em_x270_nor_parts,
 425                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
 426         },
 427 };
 428
 429 static struct resource em_x270_nor_flash_resource = {
 430         .start  = PXA_CS0_PHYS,
 431         .end    = PXA_CS0_PHYS + SZ_1M - 1,
 432         .flags  = IORESOURCE_MEM,
 433 };
 434
 435 static struct platform_device em_x270_physmap_flash = {
 436         .name           = "physmap-flash",
 437         .id             = 0,
 438         .num_resources  = 1,
 439         .resource       = &em_x270_nor_flash_resource,
 440         .dev            = {
 441                 .platform_data  = &em_x270_nor_data,
 442         },
 443 };
 444
 445 static void __init em_x270_init_nor(void)
 446 {
 447         platform_device_register(&em_x270_physmap_flash);
 448 }
 449 #else
 450 static inline void em_x270_init_nor(void) {}
 451 #endif
 452
 453 /* PXA27x OHCI controller setup */
 454 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 455 static int em_x270_ohci_init(struct device *dev)
 456 {
 457         /* enable port 2 transiever */
 458         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
 459
 460         return 0;
 461 }
 462
 463 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
 464         .port_mode      = PMM_PERPORT_MODE,
 465         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 466         .init           = em_x270_ohci_init,
 467 };
 468
 469 static void __init em_x270_init_ohci(void)
 470 {
 471         pxa_set_ohci_info(&em_x270_ohci_platform_data);
 472 }
 473 #else
 474 static inline void em_x270_init_ohci(void) {}
 475 #endif
 476
 477 /* MCI controller setup */
 478 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 479 static struct regulator *em_x270_sdio_ldo;
 480
 481 static int em_x270_mci_init(struct device *dev,
 482                             irq_handler_t em_x270_detect_int,
 483                             void *data)
 484 {
 485         int err;
 486
 487         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
 488         if (IS_ERR(em_x270_sdio_ldo)) {
 489                 dev_err(dev, "can't request SDIO power supply: %ld\n",
 490                         PTR_ERR(em_x270_sdio_ldo));
 491                 return PTR_ERR(em_x270_sdio_ldo);
 492         }
 493
 494         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
 495                               IRQF_DISABLED | IRQF_TRIGGER_RISING |
 496                               IRQF_TRIGGER_FALLING,
 497                               "MMC card detect", data);
 498         if (err) {
 499                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
 500                 goto err_irq;
 501         }
 502
 503         err = gpio_request(GPIO95_MMC_WP, "MMC WP");
 504         if (err) {
 505                 dev_err(dev, "can't request MMC write protect: %d\n", err);
 506                 goto err_gpio_wp;
 507         }
 508
 509         gpio_direction_input(GPIO95_MMC_WP);
 510
 511         return 0;
 512
 513 err_gpio_wp:
 514         free_irq(gpio_to_irq(mmc_cd), data);
 515 err_irq:
 516         regulator_put(em_x270_sdio_ldo);
 517
 518         return err;
 519 }
 520
 521 static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
 522 {
 523         struct pxamci_platform_data* p_d = dev->platform_data;
 524
 525         if ((1 << vdd) & p_d->ocr_mask) {
 526                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
 527
 528                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
 529                 regulator_enable(em_x270_sdio_ldo);
 530         } else {
 531                 regulator_disable(em_x270_sdio_ldo);
 532         }
 533 }
 534
 535 static void em_x270_mci_exit(struct device *dev, void *data)
 536 {
 537         free_irq(gpio_to_irq(mmc_cd), data);
 538 }
 539
 540 static int em_x270_mci_get_ro(struct device *dev)
 541 {
 542         return gpio_get_value(GPIO95_MMC_WP);
 543 }
 544
 545 static struct pxamci_platform_data em_x270_mci_platform_data = {
 546         .ocr_mask       = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
 547                           MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
 548                           MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
 549                           MMC_VDD_30_31|MMC_VDD_31_32,
 550         .init           = em_x270_mci_init,
 551         .setpower       = em_x270_mci_setpower,
 552         .get_ro         = em_x270_mci_get_ro,
 553         .exit           = em_x270_mci_exit,
 554 };
 555
 556 static void __init em_x270_init_mmc(void)
 557 {
 558         em_x270_mci_platform_data.detect_delay  = msecs_to_jiffies(250);
 559         pxa_set_mci_info(&em_x270_mci_platform_data);
 560 }
 561 #else
 562 static inline void em_x270_init_mmc(void) {}
 563 #endif
 564
 565 /* LCD */
 566 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 567 static struct pxafb_mode_info em_x270_lcd_modes[] = {
 568         [0] = {
 569                 .pixclock       = 38250,
 570                 .bpp            = 16,
 571                 .xres           = 480,
 572                 .yres           = 640,
 573                 .hsync_len      = 8,
 574                 .vsync_len      = 2,
 575                 .left_margin    = 8,
 576                 .upper_margin   = 2,
 577                 .right_margin   = 24,
 578                 .lower_margin   = 4,
 579                 .sync           = 0,
 580         },
 581         [1] = {
 582                 .pixclock       = 153800,
 583                 .bpp            = 16,
 584                 .xres           = 240,
 585                 .yres           = 320,
 586                 .hsync_len      = 8,
 587                 .vsync_len      = 2,
 588                 .left_margin    = 8,
 589                 .upper_margin   = 2,
 590                 .right_margin   = 88,
 591                 .lower_margin   = 2,
 592                 .sync           = 0,
 593         },
 594 };
 595
 596 static struct pxafb_mach_info em_x270_lcd = {
 597         .modes          = em_x270_lcd_modes,
 598         .num_modes      = 2,
 599         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 600 };
 601
 602 static void __init em_x270_init_lcd(void)
 603 {
 604         set_pxa_fb_info(&em_x270_lcd);
 605 }
 606 #else
 607 static inline void em_x270_init_lcd(void) {}
 608 #endif
 609
 610 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 611 static struct pxa2xx_spi_master em_x270_spi_info = {
 612         .num_chipselect = 1,
 613 };
 614
 615 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
 616         .rx_threshold = 1,
 617         .tx_threshold = 1,
 618 };
 619
 620 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
 621         .model = TDO35S,
 622 };
 623
 624 static struct spi_board_info em_x270_spi_devices[] __initdata = {
 625         {
 626                 .modalias = "tdo24m",
 627                 .max_speed_hz = 1000000,
 628                 .bus_num = 1,
 629                 .chip_select = 0,
 630                 .controller_data = &em_x270_tdo24m_chip,
 631                 .platform_data = &em_x270_tdo24m_pdata,
 632         },
 633 };
 634
 635 static void __init em_x270_init_spi(void)
 636 {
 637         pxa2xx_set_spi_info(1, &em_x270_spi_info);
 638         spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
 639 }
 640 #else
 641 static inline void em_x270_init_spi(void) {}
 642 #endif
 643
 644 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
 645 static void __init em_x270_init_ac97(void)
 646 {
 647         pxa_set_ac97_info(NULL);
 648 }
 649 #else
 650 static inline void em_x270_init_ac97(void) {}
 651 #endif
 652
 653 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 654 static unsigned int em_x270_matrix_keys[] = {
 655         KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
 656         KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
 657         KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
 658 };
 659
 660 struct pxa27x_keypad_platform_data em_x270_keypad_info = {
 661         /* code map for the matrix keys */
 662         .matrix_key_rows        = 3,
 663         .matrix_key_cols        = 3,
 664         .matrix_key_map         = em_x270_matrix_keys,
 665         .matrix_key_map_size    = ARRAY_SIZE(em_x270_matrix_keys),
 666 };
 667
 668 static void __init em_x270_init_keypad(void)
 669 {
 670         pxa_set_keypad_info(&em_x270_keypad_info);
 671 }
 672 #else
 673 static inline void em_x270_init_keypad(void) {}
 674 #endif
 675
 676 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 677 static struct gpio_keys_button gpio_keys_button[] = {
 678         [0] = {
 679                 .desc   = "sleep/wakeup",
 680                 .code   = KEY_SUSPEND,
 681                 .type   = EV_PWR,
 682                 .gpio   = 1,
 683                 .wakeup = 1,
 684         },
 685 };
 686
 687 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
 688         .buttons        = gpio_keys_button,
 689         .nbuttons       = 1,
 690 };
 691
 692 static struct platform_device em_x270_gpio_keys = {
 693         .name           = "gpio-keys",
 694         .id             = -1,
 695         .dev            = {
 696                 .platform_data  = &em_x270_gpio_keys_data,
 697         },
 698 };
 699
 700 static void __init em_x270_init_gpio_keys(void)
 701 {
 702         platform_device_register(&em_x270_gpio_keys);
 703 }
 704 #else
 705 static inline void em_x270_init_gpio_keys(void) {}
 706 #endif
 707
 708 /* Quick Capture Interface and sensor setup */
 709 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
 710 static struct regulator *em_x270_camera_ldo;
 711
 712 static int em_x270_sensor_init(struct device *dev)
 713 {
 714         int ret;
 715
 716         ret = gpio_request(GPIO93_CAM_RESET, "camera reset");
 717         if (ret)
 718                 return ret;
 719
 720         gpio_direction_output(GPIO93_CAM_RESET, 0);
 721
 722         em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
 723         if (em_x270_camera_ldo == NULL) {
 724                 gpio_free(GPIO93_CAM_RESET);
 725                 return -ENODEV;
 726         }
 727
 728         ret = regulator_enable(em_x270_camera_ldo);
 729         if (ret) {
 730                 regulator_put(em_x270_camera_ldo);
 731                 gpio_free(GPIO93_CAM_RESET);
 732                 return ret;
 733         }
 734
 735         gpio_set_value(GPIO93_CAM_RESET, 1);
 736
 737         return 0;
 738 }
 739
 740 struct pxacamera_platform_data em_x270_camera_platform_data = {
 741         .init   = em_x270_sensor_init,
 742         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 743                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 744         .mclk_10khz = 2600,
 745 };
 746
 747 static int em_x270_sensor_power(struct device *dev, int on)
 748 {
 749         int ret;
 750         int is_on = regulator_is_enabled(em_x270_camera_ldo);
 751
 752         if (on == is_on)
 753                 return 0;
 754
 755         gpio_set_value(GPIO93_CAM_RESET, !on);
 756
 757         if (on)
 758                 ret = regulator_enable(em_x270_camera_ldo);
 759         else
 760                 ret = regulator_disable(em_x270_camera_ldo);
 761
 762         if (ret)
 763                 return ret;
 764
 765         gpio_set_value(GPIO93_CAM_RESET, on);
 766
 767         return 0;
 768 }
 769
 770 static struct soc_camera_link iclink = {
 771         .bus_id = 0,
 772         .power = em_x270_sensor_power,
 773 };
 774
 775 static struct i2c_board_info em_x270_i2c_cam_info[] = {
 776         {
 777                 I2C_BOARD_INFO("mt9m111", 0x48),
 778                 .platform_data = &iclink,
 779         },
 780 };
 781
 782 static struct i2c_pxa_platform_data em_x270_i2c_info = {
 783         .fast_mode = 1,
 784 };
 785
 786 static void  __init em_x270_init_camera(void)
 787 {
 788         pxa_set_i2c_info(&em_x270_i2c_info);
 789         i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info));
 790         pxa_set_camera_info(&em_x270_camera_platform_data);
 791 }
 792 #else
 793 static inline void em_x270_init_camera(void) {}
 794 #endif
 795
 796 /* DA9030 related initializations */
 797 #define REGULATOR_CONSUMER(_name, _dev, _supply)                               \
 798         static struct regulator_consumer_supply _name##_consumers[] = { \
 799                 {                                                       \
 800                         .dev = _dev,                                    \
 801                         .supply = _supply,                              \
 802                 },                                                      \
 803         }
 804
 805 REGULATOR_CONSUMER(ldo3, NULL, "vcc gps");
 806 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
 807 REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio");
 808 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
 809 REGULATOR_CONSUMER(ldo19, NULL, "vcc gprs");
 810
 811 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)               \
 812         static struct regulator_init_data _ldo##_data = {               \
 813                 .constraints = {                                        \
 814                         .min_uV = _min_uV,                              \
 815                         .max_uV = _max_uV,                              \
 816                         .state_mem = {                                  \
 817                                 .enabled = 0,                           \
 818                         },                                              \
 819                         .valid_ops_mask = _ops_mask,                    \
 820                 },                                                      \
 821                 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),  \
 822                 .consumer_supplies = _ldo##_consumers,                  \
 823         };
 824
 825 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
 826 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
 827 REGULATOR_INIT(ldo10, 2000000, 3200000,
 828                REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
 829 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
 830 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
 831
 832 struct led_info em_x270_led_info = {
 833         .name = "em-x270:orange",
 834         .default_trigger = "battery-charging-or-full",
 835 };
 836
 837 struct power_supply_info em_x270_psy_info = {
 838         .name = "LP555597P6H-FPS",
 839         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 840         .voltage_max_design = 4200000,
 841         .voltage_min_design = 3000000,
 842         .use_for_apm = 1,
 843 };
 844
 845 static void em_x270_battery_low(void)
 846 {
 847         apm_queue_event(APM_LOW_BATTERY);
 848 }
 849
 850 static void em_x270_battery_critical(void)
 851 {
 852         apm_queue_event(APM_CRITICAL_SUSPEND);
 853 }
 854
 855 struct da9030_battery_info em_x270_batterty_info = {
 856         .battery_info = &em_x270_psy_info,
 857
 858         .charge_milliamp = 1000,
 859         .charge_millivolt = 4200,
 860
 861         .vbat_low = 3600,
 862         .vbat_crit = 3400,
 863         .vbat_charge_start = 4100,
 864         .vbat_charge_stop = 4200,
 865         .vbat_charge_restart = 4000,
 866
 867         .vcharge_min = 3200,
 868         .vcharge_max = 5500,
 869
 870         .tbat_low = 197,
 871         .tbat_high = 78,
 872         .tbat_restart = 100,
 873
 874         .batmon_interval = 0,
 875
 876         .battery_low = em_x270_battery_low,
 877         .battery_critical = em_x270_battery_critical,
 878 };
 879
 880 #define DA9030_SUBDEV(_name, _id, _pdata)       \
 881         {                                       \
 882                 .name = "da903x-" #_name,       \
 883                 .id = DA9030_ID_##_id,          \
 884                 .platform_data = _pdata,        \
 885         }
 886
 887 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
 888
 889 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
 890         DA9030_LDO(3),
 891         DA9030_LDO(5),
 892         DA9030_LDO(10),
 893         DA9030_LDO(12),
 894         DA9030_LDO(19),
 895
 896         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
 897         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
 898         DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
 899 };
 900
 901 static struct da903x_platform_data em_x270_da9030_info = {
 902         .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
 903         .subdevs = em_x270_da9030_subdevs,
 904 };
 905
 906 static struct i2c_board_info em_x270_i2c_pmic_info = {
 907         I2C_BOARD_INFO("da9030", 0x49),
 908         .irq = IRQ_GPIO(0),
 909         .platform_data = &em_x270_da9030_info,
 910 };
 911
 912 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
 913         .use_pio = 1,
 914 };
 915
 916 static void __init em_x270_init_da9030(void)
 917 {
 918         pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
 919         i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
 920 }
 921
 922 static void __init em_x270_module_init(void)
 923 {
 924         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
 925
 926         mmc_cd = GPIO13_MMC_CD;
 927         nand_rb = GPIO56_NAND_RB;
 928         dm9000_flags = DM9000_PLATF_32BITONLY;
 929 }
 930
 931 static void __init em_x270_init(void)
 932 {
 933         pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
 934
 935         em_x270_module_init();
 936
 937         em_x270_init_da9030();
 938         em_x270_init_dm9000();
 939         em_x270_init_rtc();
 940         em_x270_init_nand();
 941         em_x270_init_nor();
 942         em_x270_init_lcd();
 943         em_x270_init_mmc();
 944         em_x270_init_ohci();
 945         em_x270_init_keypad();
 946         em_x270_init_gpio_keys();
 947         em_x270_init_ac97();
 948         em_x270_init_camera();
 949         em_x270_init_spi();
 950 }
 951
 952 MACHINE_START(EM_X270, "Compulab EM-X270")
 953         .boot_params    = 0xa0000100,
 954         .phys_io        = 0x40000000,
 955         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 956         .map_io         = pxa_map_io,
 957         .init_irq       = pxa27x_init_irq,
 958         .timer          = &pxa_timer,
 959         .init_machine   = em_x270_init,
 960 MACHINE_END