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