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/power_supply.h>
  29 #include <linux/apm-emulation.h>
  30
  31 #include <media/soc_camera.h>
  32
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35
  36 #include <mach/pxa27x.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 /* EM-X270 specific GPIOs */
  51 #define GPIO13_MMC_CD           (13)
  52 #define GPIO95_MMC_WP           (95)
  53 #define GPIO56_NAND_RB          (56)
  54
  55 /* eXeda specific GPIOs */
  56 #define GPIO114_MMC_CD          (114)
  57 #define GPIO20_NAND_RB          (20)
  58 #define GPIO38_SD_PWEN          (38)
  59
  60 /* common  GPIOs */
  61 #define GPIO11_NAND_CS          (11)
  62 #define GPIO93_CAM_RESET        (93)
  63 #define GPIO41_ETHIRQ           (41)
  64 #define EM_X270_ETHIRQ          IRQ_GPIO(GPIO41_ETHIRQ)
  65
  66 static int mmc_cd;
  67 static int nand_rb;
  68 static int dm9000_flags;
  69
  70 static unsigned long common_pin_config[] = {
  71         /* AC'97 */
  72         GPIO28_AC97_BITCLK,
  73         GPIO29_AC97_SDATA_IN_0,
  74         GPIO30_AC97_SDATA_OUT,
  75         GPIO31_AC97_SYNC,
  76         GPIO98_AC97_SYSCLK,
  77         GPIO113_AC97_nRESET,
  78
  79         /* BTUART */
  80         GPIO42_BTUART_RXD,
  81         GPIO43_BTUART_TXD,
  82         GPIO44_BTUART_CTS,
  83         GPIO45_BTUART_RTS,
  84
  85         /* STUART */
  86         GPIO46_STUART_RXD,
  87         GPIO47_STUART_TXD,
  88
  89         /* MCI controller */
  90         GPIO32_MMC_CLK,
  91         GPIO112_MMC_CMD,
  92         GPIO92_MMC_DAT_0,
  93         GPIO109_MMC_DAT_1,
  94         GPIO110_MMC_DAT_2,
  95         GPIO111_MMC_DAT_3,
  96
  97         /* LCD */
  98         GPIO58_LCD_LDD_0,
  99         GPIO59_LCD_LDD_1,
 100         GPIO60_LCD_LDD_2,
 101         GPIO61_LCD_LDD_3,
 102         GPIO62_LCD_LDD_4,
 103         GPIO63_LCD_LDD_5,
 104         GPIO64_LCD_LDD_6,
 105         GPIO65_LCD_LDD_7,
 106         GPIO66_LCD_LDD_8,
 107         GPIO67_LCD_LDD_9,
 108         GPIO68_LCD_LDD_10,
 109         GPIO69_LCD_LDD_11,
 110         GPIO70_LCD_LDD_12,
 111         GPIO71_LCD_LDD_13,
 112         GPIO72_LCD_LDD_14,
 113         GPIO73_LCD_LDD_15,
 114         GPIO74_LCD_FCLK,
 115         GPIO75_LCD_LCLK,
 116         GPIO76_LCD_PCLK,
 117         GPIO77_LCD_BIAS,
 118
 119         /* QCI */
 120         GPIO84_CIF_FV,
 121         GPIO25_CIF_LV,
 122         GPIO53_CIF_MCLK,
 123         GPIO54_CIF_PCLK,
 124         GPIO81_CIF_DD_0,
 125         GPIO55_CIF_DD_1,
 126         GPIO51_CIF_DD_2,
 127         GPIO50_CIF_DD_3,
 128         GPIO52_CIF_DD_4,
 129         GPIO48_CIF_DD_5,
 130         GPIO17_CIF_DD_6,
 131         GPIO12_CIF_DD_7,
 132
 133         /* I2C */
 134         GPIO117_I2C_SCL,
 135         GPIO118_I2C_SDA,
 136
 137         /* Keypad */
 138         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
 139         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
 140         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
 141         GPIO34_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
 142         GPIO39_KP_MKIN_4        | WAKEUP_ON_LEVEL_HIGH,
 143         GPIO99_KP_MKIN_5        | WAKEUP_ON_LEVEL_HIGH,
 144         GPIO91_KP_MKIN_6        | WAKEUP_ON_LEVEL_HIGH,
 145         GPIO36_KP_MKIN_7        | WAKEUP_ON_LEVEL_HIGH,
 146         GPIO103_KP_MKOUT_0,
 147         GPIO104_KP_MKOUT_1,
 148         GPIO105_KP_MKOUT_2,
 149         GPIO106_KP_MKOUT_3,
 150         GPIO107_KP_MKOUT_4,
 151         GPIO108_KP_MKOUT_5,
 152         GPIO96_KP_MKOUT_6,
 153         GPIO22_KP_MKOUT_7,
 154
 155         /* SSP1 */
 156         GPIO26_SSP1_RXD,
 157         GPIO23_SSP1_SCLK,
 158         GPIO24_SSP1_SFRM,
 159         GPIO57_SSP1_TXD,
 160
 161         /* SSP2 */
 162         GPIO19_SSP2_SCLK,
 163         GPIO14_SSP2_SFRM,
 164         GPIO89_SSP2_TXD,
 165         GPIO88_SSP2_RXD,
 166
 167         /* SDRAM and local bus */
 168         GPIO15_nCS_1,
 169         GPIO78_nCS_2,
 170         GPIO79_nCS_3,
 171         GPIO80_nCS_4,
 172         GPIO49_nPWE,
 173         GPIO18_RDY,
 174
 175         /* GPIO */
 176         GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,       /* sleep/resume button */
 177
 178         /* power controls */
 179         GPIO20_GPIO     | MFP_LPM_DRIVE_LOW,    /* GPRS_PWEN */
 180         GPIO93_GPIO     | MFP_LPM_DRIVE_LOW,    /* Camera reset */
 181         GPIO115_GPIO    | MFP_LPM_DRIVE_LOW,    /* WLAN_PWEN */
 182
 183         /* NAND controls */
 184         GPIO11_GPIO     | MFP_LPM_DRIVE_HIGH,   /* NAND CE# */
 185
 186         /* interrupts */
 187         GPIO41_GPIO,    /* DM9000 interrupt */
 188 };
 189
 190 static unsigned long em_x270_pin_config[] = {
 191         GPIO13_GPIO,    /* MMC card detect */
 192         GPIO56_GPIO,    /* NAND Ready/Busy */
 193         GPIO95_GPIO,    /* MMC Write protect */
 194 };
 195
 196 static unsigned long exeda_pin_config[] = {
 197         GPIO20_GPIO,                            /* NAND Ready/Busy */
 198         GPIO38_GPIO     | MFP_LPM_DRIVE_LOW,    /* SD slot power */
 199         GPIO114_GPIO,                           /* MMC card detect */
 200 };
 201
 202 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 203 static struct resource em_x270_dm9000_resource[] = {
 204         [0] = {
 205                 .start = PXA_CS2_PHYS,
 206                 .end   = PXA_CS2_PHYS + 3,
 207                 .flags = IORESOURCE_MEM,
 208         },
 209         [1] = {
 210                 .start = PXA_CS2_PHYS + 8,
 211                 .end   = PXA_CS2_PHYS + 8 + 0x3f,
 212                 .flags = IORESOURCE_MEM,
 213         },
 214         [2] = {
 215                 .start = EM_X270_ETHIRQ,
 216                 .end   = EM_X270_ETHIRQ,
 217                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 218         }
 219 };
 220
 221 static struct dm9000_plat_data em_x270_dm9000_platdata = {
 222         .flags          = DM9000_PLATF_NO_EEPROM,
 223 };
 224
 225 static struct platform_device em_x270_dm9000 = {
 226         .name           = "dm9000",
 227         .id             = 0,
 228         .num_resources  = ARRAY_SIZE(em_x270_dm9000_resource),
 229         .resource       = em_x270_dm9000_resource,
 230         .dev            = {
 231                 .platform_data = &em_x270_dm9000_platdata,
 232         }
 233 };
 234
 235 static void __init em_x270_init_dm9000(void)
 236 {
 237         em_x270_dm9000_platdata.flags |= dm9000_flags;
 238         platform_device_register(&em_x270_dm9000);
 239 }
 240 #else
 241 static inline void em_x270_init_dm9000(void) {}
 242 #endif
 243
 244 /* V3020 RTC */
 245 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 246 static struct resource em_x270_v3020_resource[] = {
 247         [0] = {
 248                 .start = PXA_CS4_PHYS,
 249                 .end   = PXA_CS4_PHYS + 3,
 250                 .flags = IORESOURCE_MEM,
 251         },
 252 };
 253
 254 static struct v3020_platform_data em_x270_v3020_platdata = {
 255         .leftshift = 0,
 256 };
 257
 258 static struct platform_device em_x270_rtc = {
 259         .name           = "v3020",
 260         .num_resources  = ARRAY_SIZE(em_x270_v3020_resource),
 261         .resource       = em_x270_v3020_resource,
 262         .id             = -1,
 263         .dev            = {
 264                 .platform_data = &em_x270_v3020_platdata,
 265         }
 266 };
 267
 268 static void __init em_x270_init_rtc(void)
 269 {
 270         platform_device_register(&em_x270_rtc);
 271 }
 272 #else
 273 static inline void em_x270_init_rtc(void) {}
 274 #endif
 275
 276 /* NAND flash */
 277 #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 278 static inline void nand_cs_on(void)
 279 {
 280         gpio_set_value(GPIO11_NAND_CS, 0);
 281 }
 282
 283 static void nand_cs_off(void)
 284 {
 285         dsb();
 286
 287         gpio_set_value(GPIO11_NAND_CS, 1);
 288 }
 289
 290 /* hardware specific access to control-lines */
 291 static void em_x270_nand_cmd_ctl(struct mtd_info *mtd, int dat,
 292                                  unsigned int ctrl)
 293 {
 294         struct nand_chip *this = mtd->priv;
 295         unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
 296
 297         dsb();
 298
 299         if (ctrl & NAND_CTRL_CHANGE) {
 300                 if (ctrl & NAND_ALE)
 301                         nandaddr |=  (1 << 3);
 302                 else
 303                         nandaddr &= ~(1 << 3);
 304                 if (ctrl & NAND_CLE)
 305                         nandaddr |=  (1 << 2);
 306                 else
 307                         nandaddr &= ~(1 << 2);
 308                 if (ctrl & NAND_NCE)
 309                         nand_cs_on();
 310                 else
 311                         nand_cs_off();
 312         }
 313
 314         dsb();
 315         this->IO_ADDR_W = (void __iomem *)nandaddr;
 316         if (dat != NAND_CMD_NONE)
 317                 writel(dat, this->IO_ADDR_W);
 318
 319         dsb();
 320 }
 321
 322 /* read device ready pin */
 323 static int em_x270_nand_device_ready(struct mtd_info *mtd)
 324 {
 325         dsb();
 326
 327         return gpio_get_value(nand_rb);
 328 }
 329
 330 static struct mtd_partition em_x270_partition_info[] = {
 331         [0] = {
 332                 .name   = "em_x270-0",
 333                 .offset = 0,
 334                 .size   = SZ_4M,
 335         },
 336         [1] = {
 337                 .name   = "em_x270-1",
 338                 .offset = MTDPART_OFS_APPEND,
 339                 .size   = MTDPART_SIZ_FULL
 340         },
 341 };
 342
 343 static const char *em_x270_part_probes[] = { "cmdlinepart", NULL };
 344
 345 struct platform_nand_data em_x270_nand_platdata = {
 346         .chip = {
 347                 .nr_chips = 1,
 348                 .chip_offset = 0,
 349                 .nr_partitions = ARRAY_SIZE(em_x270_partition_info),
 350                 .partitions = em_x270_partition_info,
 351                 .chip_delay = 20,
 352                 .part_probe_types = em_x270_part_probes,
 353         },
 354         .ctrl = {
 355                 .hwcontrol = 0,
 356                 .dev_ready = em_x270_nand_device_ready,
 357                 .select_chip = 0,
 358                 .cmd_ctrl = em_x270_nand_cmd_ctl,
 359         },
 360 };
 361
 362 static struct resource em_x270_nand_resource[] = {
 363         [0] = {
 364                 .start = PXA_CS1_PHYS,
 365                 .end   = PXA_CS1_PHYS + 12,
 366                 .flags = IORESOURCE_MEM,
 367         },
 368 };
 369
 370 static struct platform_device em_x270_nand = {
 371         .name           = "gen_nand",
 372         .num_resources  = ARRAY_SIZE(em_x270_nand_resource),
 373         .resource       = em_x270_nand_resource,
 374         .id             = -1,
 375         .dev            = {
 376                 .platform_data = &em_x270_nand_platdata,
 377         }
 378 };
 379
 380 static void __init em_x270_init_nand(void)
 381 {
 382         int err;
 383
 384         err = gpio_request(GPIO11_NAND_CS, "NAND CS");
 385         if (err) {
 386                 pr_warning("EM-X270: failed to request NAND CS gpio\n");
 387                 return;
 388         }
 389
 390         gpio_direction_output(GPIO11_NAND_CS, 1);
 391
 392         err = gpio_request(nand_rb, "NAND R/B");
 393         if (err) {
 394                 pr_warning("EM-X270: failed to request NAND R/B gpio\n");
 395                 gpio_free(GPIO11_NAND_CS);
 396                 return;
 397         }
 398
 399         gpio_direction_input(nand_rb);
 400
 401         platform_device_register(&em_x270_nand);
 402 }
 403 #else
 404 static inline void em_x270_init_nand(void) {}
 405 #endif
 406
 407 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 408 static struct mtd_partition em_x270_nor_parts[] = {
 409         {
 410                 .name =         "Bootloader",
 411                 .offset =       0x00000000,
 412                 .size =         0x00050000,
 413                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 414         }, {
 415                 .name =         "Environment",
 416                 .offset =       0x00050000,
 417                 .size =         0x00010000,
 418         }, {
 419                 .name =         "Reserved",
 420                 .offset =       0x00060000,
 421                 .size =         0x00050000,
 422                 .mask_flags =   MTD_WRITEABLE  /* force read-only */
 423         }, {
 424                 .name =         "Splashscreen",
 425                 .offset =       0x000b0000,
 426                 .size =         0x00050000,
 427         }
 428 };
 429
 430 static struct physmap_flash_data em_x270_nor_data[] = {
 431         [0] = {
 432                 .width = 2,
 433                 .parts = em_x270_nor_parts,
 434                 .nr_parts = ARRAY_SIZE(em_x270_nor_parts),
 435         },
 436 };
 437
 438 static struct resource em_x270_nor_flash_resource = {
 439         .start  = PXA_CS0_PHYS,
 440         .end    = PXA_CS0_PHYS + SZ_1M - 1,
 441         .flags  = IORESOURCE_MEM,
 442 };
 443
 444 static struct platform_device em_x270_physmap_flash = {
 445         .name           = "physmap-flash",
 446         .id             = 0,
 447         .num_resources  = 1,
 448         .resource       = &em_x270_nor_flash_resource,
 449         .dev            = {
 450                 .platform_data  = &em_x270_nor_data,
 451         },
 452 };
 453
 454 static void __init em_x270_init_nor(void)
 455 {
 456         platform_device_register(&em_x270_physmap_flash);
 457 }
 458 #else
 459 static inline void em_x270_init_nor(void) {}
 460 #endif
 461
 462 /* PXA27x OHCI controller setup */
 463 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 464 static int em_x270_ohci_init(struct device *dev)
 465 {
 466         /* enable port 2 transiever */
 467         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE;
 468
 469         return 0;
 470 }
 471
 472 static struct pxaohci_platform_data em_x270_ohci_platform_data = {
 473         .port_mode      = PMM_PERPORT_MODE,
 474         .flags          = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
 475         .init           = em_x270_ohci_init,
 476 };
 477
 478 static void __init em_x270_init_ohci(void)
 479 {
 480         pxa_set_ohci_info(&em_x270_ohci_platform_data);
 481 }
 482 #else
 483 static inline void em_x270_init_ohci(void) {}
 484 #endif
 485
 486 /* MCI controller setup */
 487 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
 488 static struct regulator *em_x270_sdio_ldo;
 489
 490 static int em_x270_mci_init(struct device *dev,
 491                             irq_handler_t em_x270_detect_int,
 492                             void *data)
 493 {
 494         int err;
 495
 496         em_x270_sdio_ldo = regulator_get(dev, "vcc sdio");
 497         if (IS_ERR(em_x270_sdio_ldo)) {
 498                 dev_err(dev, "can't request SDIO power supply: %ld\n",
 499                         PTR_ERR(em_x270_sdio_ldo));
 500                 return PTR_ERR(em_x270_sdio_ldo);
 501         }
 502
 503         err = request_irq(gpio_to_irq(mmc_cd), em_x270_detect_int,
 504                               IRQF_DISABLED | IRQF_TRIGGER_RISING |
 505                               IRQF_TRIGGER_FALLING,
 506                               "MMC card detect", data);
 507         if (err) {
 508                 dev_err(dev, "can't request MMC card detect IRQ: %d\n", err);
 509                 goto err_irq;
 510         }
 511
 512         if (machine_is_em_x270()) {
 513                 err = gpio_request(GPIO95_MMC_WP, "MMC WP");
 514                 if (err) {
 515                         dev_err(dev, "can't request MMC write protect: %d\n",
 516                                 err);
 517                         goto err_gpio_wp;
 518                 }
 519                 gpio_direction_input(GPIO95_MMC_WP);
 520         } else {
 521                 err = gpio_request(GPIO38_SD_PWEN, "sdio power");
 522                 if (err) {
 523                         dev_err(dev, "can't request MMC power control : %d\n",
 524                                 err);
 525                         goto err_gpio_wp;
 526                 }
 527                 gpio_direction_output(GPIO38_SD_PWEN, 1);
 528         }
 529
 530         return 0;
 531
 532 err_gpio_wp:
 533         free_irq(gpio_to_irq(mmc_cd), data);
 534 err_irq:
 535         regulator_put(em_x270_sdio_ldo);
 536
 537         return err;
 538 }
 539
 540 static void em_x270_mci_setpower(struct device *dev, unsigned int vdd)
 541 {
 542         struct pxamci_platform_data* p_d = dev->platform_data;
 543
 544         if ((1 << vdd) & p_d->ocr_mask) {
 545                 int vdd_uV = (2000 + (vdd - __ffs(MMC_VDD_20_21)) * 100) * 1000;
 546
 547                 regulator_set_voltage(em_x270_sdio_ldo, vdd_uV, vdd_uV);
 548                 regulator_enable(em_x270_sdio_ldo);
 549         } else {
 550                 regulator_disable(em_x270_sdio_ldo);
 551         }
 552 }
 553
 554 static void em_x270_mci_exit(struct device *dev, void *data)
 555 {
 556         free_irq(gpio_to_irq(mmc_cd), data);
 557         regulator_put(em_x270_sdio_ldo);
 558
 559         if (machine_is_em_x270())
 560                 gpio_free(GPIO95_MMC_WP);
 561         else
 562                 gpio_free(GPIO38_SD_PWEN);
 563 }
 564
 565 static int em_x270_mci_get_ro(struct device *dev)
 566 {
 567         return gpio_get_value(GPIO95_MMC_WP);
 568 }
 569
 570 static struct pxamci_platform_data em_x270_mci_platform_data = {
 571         .ocr_mask       = MMC_VDD_20_21|MMC_VDD_21_22|MMC_VDD_22_23|
 572                           MMC_VDD_24_25|MMC_VDD_25_26|MMC_VDD_26_27|
 573                           MMC_VDD_27_28|MMC_VDD_28_29|MMC_VDD_29_30|
 574                           MMC_VDD_30_31|MMC_VDD_31_32,
 575         .init           = em_x270_mci_init,
 576         .setpower       = em_x270_mci_setpower,
 577         .exit           = em_x270_mci_exit,
 578 };
 579
 580 static void __init em_x270_init_mmc(void)
 581 {
 582         if (machine_is_em_x270())
 583                 em_x270_mci_platform_data.get_ro = em_x270_mci_get_ro;
 584
 585         em_x270_mci_platform_data.detect_delay  = msecs_to_jiffies(250);
 586         pxa_set_mci_info(&em_x270_mci_platform_data);
 587 }
 588 #else
 589 static inline void em_x270_init_mmc(void) {}
 590 #endif
 591
 592 /* LCD */
 593 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 594 static struct pxafb_mode_info em_x270_lcd_modes[] = {
 595         [0] = {
 596                 .pixclock       = 38250,
 597                 .bpp            = 16,
 598                 .xres           = 480,
 599                 .yres           = 640,
 600                 .hsync_len      = 8,
 601                 .vsync_len      = 2,
 602                 .left_margin    = 8,
 603                 .upper_margin   = 2,
 604                 .right_margin   = 24,
 605                 .lower_margin   = 4,
 606                 .sync           = 0,
 607         },
 608         [1] = {
 609                 .pixclock       = 153800,
 610                 .bpp            = 16,
 611                 .xres           = 240,
 612                 .yres           = 320,
 613                 .hsync_len      = 8,
 614                 .vsync_len      = 2,
 615                 .left_margin    = 8,
 616                 .upper_margin   = 2,
 617                 .right_margin   = 88,
 618                 .lower_margin   = 2,
 619                 .sync           = 0,
 620         },
 621 };
 622
 623 static struct pxafb_mach_info em_x270_lcd = {
 624         .modes          = em_x270_lcd_modes,
 625         .num_modes      = 2,
 626         .lcd_conn       = LCD_COLOR_TFT_16BPP,
 627 };
 628
 629 static void __init em_x270_init_lcd(void)
 630 {
 631         set_pxa_fb_info(&em_x270_lcd);
 632 }
 633 #else
 634 static inline void em_x270_init_lcd(void) {}
 635 #endif
 636
 637 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 638 static struct pxa2xx_spi_master em_x270_spi_info = {
 639         .num_chipselect = 1,
 640 };
 641
 642 static struct pxa2xx_spi_chip em_x270_tdo24m_chip = {
 643         .rx_threshold = 1,
 644         .tx_threshold = 1,
 645 };
 646
 647 static struct tdo24m_platform_data em_x270_tdo24m_pdata = {
 648         .model = TDO35S,
 649 };
 650
 651 static struct spi_board_info em_x270_spi_devices[] __initdata = {
 652         {
 653                 .modalias = "tdo24m",
 654                 .max_speed_hz = 1000000,
 655                 .bus_num = 1,
 656                 .chip_select = 0,
 657                 .controller_data = &em_x270_tdo24m_chip,
 658                 .platform_data = &em_x270_tdo24m_pdata,
 659         },
 660 };
 661
 662 static void __init em_x270_init_spi(void)
 663 {
 664         pxa2xx_set_spi_info(1, &em_x270_spi_info);
 665         spi_register_board_info(ARRAY_AND_SIZE(em_x270_spi_devices));
 666 }
 667 #else
 668 static inline void em_x270_init_spi(void) {}
 669 #endif
 670
 671 #if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
 672 static void __init em_x270_init_ac97(void)
 673 {
 674         pxa_set_ac97_info(NULL);
 675 }
 676 #else
 677 static inline void em_x270_init_ac97(void) {}
 678 #endif
 679
 680 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 681 static unsigned int em_x270_module_matrix_keys[] = {
 682         KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B),
 683         KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT),
 684         KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D),
 685 };
 686
 687 struct pxa27x_keypad_platform_data em_x270_module_keypad_info = {
 688         /* code map for the matrix keys */
 689         .matrix_key_rows        = 3,
 690         .matrix_key_cols        = 3,
 691         .matrix_key_map         = em_x270_module_matrix_keys,
 692         .matrix_key_map_size    = ARRAY_SIZE(em_x270_module_matrix_keys),
 693 };
 694
 695 static unsigned int em_x270_exeda_matrix_keys[] = {
 696         KEY(0, 0, KEY_RIGHTSHIFT), KEY(0, 1, KEY_RIGHTCTRL),
 697         KEY(0, 2, KEY_RIGHTALT), KEY(0, 3, KEY_SPACE),
 698         KEY(0, 4, KEY_LEFTALT), KEY(0, 5, KEY_LEFTCTRL),
 699         KEY(0, 6, KEY_ENTER), KEY(0, 7, KEY_SLASH),
 700
 701         KEY(1, 0, KEY_DOT), KEY(1, 1, KEY_M),
 702         KEY(1, 2, KEY_N), KEY(1, 3, KEY_B),
 703         KEY(1, 4, KEY_V), KEY(1, 5, KEY_C),
 704         KEY(1, 6, KEY_X), KEY(1, 7, KEY_Z),
 705
 706         KEY(2, 0, KEY_LEFTSHIFT), KEY(2, 1, KEY_SEMICOLON),
 707         KEY(2, 2, KEY_L), KEY(2, 3, KEY_K),
 708         KEY(2, 4, KEY_J), KEY(2, 5, KEY_H),
 709         KEY(2, 6, KEY_G), KEY(2, 7, KEY_F),
 710
 711         KEY(3, 0, KEY_D), KEY(3, 1, KEY_S),
 712         KEY(3, 2, KEY_A), KEY(3, 3, KEY_TAB),
 713         KEY(3, 4, KEY_BACKSPACE), KEY(3, 5, KEY_P),
 714         KEY(3, 6, KEY_O), KEY(3, 7, KEY_I),
 715
 716         KEY(4, 0, KEY_U), KEY(4, 1, KEY_Y),
 717         KEY(4, 2, KEY_T), KEY(4, 3, KEY_R),
 718         KEY(4, 4, KEY_E), KEY(4, 5, KEY_W),
 719         KEY(4, 6, KEY_Q), KEY(4, 7, KEY_MINUS),
 720
 721         KEY(5, 0, KEY_0), KEY(5, 1, KEY_9),
 722         KEY(5, 2, KEY_8), KEY(5, 3, KEY_7),
 723         KEY(5, 4, KEY_6), KEY(5, 5, KEY_5),
 724         KEY(5, 6, KEY_4), KEY(5, 7, KEY_3),
 725
 726         KEY(6, 0, KEY_2), KEY(6, 1, KEY_1),
 727         KEY(6, 2, KEY_ENTER), KEY(6, 3, KEY_END),
 728         KEY(6, 4, KEY_DOWN), KEY(6, 5, KEY_UP),
 729         KEY(6, 6, KEY_MENU), KEY(6, 7, KEY_F1),
 730
 731         KEY(7, 0, KEY_LEFT), KEY(7, 1, KEY_RIGHT),
 732         KEY(7, 2, KEY_BACK), KEY(7, 3, KEY_HOME),
 733         KEY(7, 4, 0), KEY(7, 5, 0),
 734         KEY(7, 6, 0), KEY(7, 7, 0),
 735 };
 736
 737 struct pxa27x_keypad_platform_data em_x270_exeda_keypad_info = {
 738         /* code map for the matrix keys */
 739         .matrix_key_rows        = 8,
 740         .matrix_key_cols        = 8,
 741         .matrix_key_map         = em_x270_exeda_matrix_keys,
 742         .matrix_key_map_size    = ARRAY_SIZE(em_x270_exeda_matrix_keys),
 743 };
 744
 745 static void __init em_x270_init_keypad(void)
 746 {
 747         if (machine_is_em_x270())
 748                 pxa_set_keypad_info(&em_x270_module_keypad_info);
 749         else
 750                 pxa_set_keypad_info(&em_x270_exeda_keypad_info);
 751 }
 752 #else
 753 static inline void em_x270_init_keypad(void) {}
 754 #endif
 755
 756 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 757 static struct gpio_keys_button gpio_keys_button[] = {
 758         [0] = {
 759                 .desc   = "sleep/wakeup",
 760                 .code   = KEY_SUSPEND,
 761                 .type   = EV_PWR,
 762                 .gpio   = 1,
 763                 .wakeup = 1,
 764         },
 765 };
 766
 767 static struct gpio_keys_platform_data em_x270_gpio_keys_data = {
 768         .buttons        = gpio_keys_button,
 769         .nbuttons       = 1,
 770 };
 771
 772 static struct platform_device em_x270_gpio_keys = {
 773         .name           = "gpio-keys",
 774         .id             = -1,
 775         .dev            = {
 776                 .platform_data  = &em_x270_gpio_keys_data,
 777         },
 778 };
 779
 780 static void __init em_x270_init_gpio_keys(void)
 781 {
 782         platform_device_register(&em_x270_gpio_keys);
 783 }
 784 #else
 785 static inline void em_x270_init_gpio_keys(void) {}
 786 #endif
 787
 788 /* Quick Capture Interface and sensor setup */
 789 #if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE)
 790 static struct regulator *em_x270_camera_ldo;
 791
 792 static int em_x270_sensor_init(struct device *dev)
 793 {
 794         int ret;
 795
 796         ret = gpio_request(GPIO93_CAM_RESET, "camera reset");
 797         if (ret)
 798                 return ret;
 799
 800         gpio_direction_output(GPIO93_CAM_RESET, 0);
 801
 802         em_x270_camera_ldo = regulator_get(NULL, "vcc cam");
 803         if (em_x270_camera_ldo == NULL) {
 804                 gpio_free(GPIO93_CAM_RESET);
 805                 return -ENODEV;
 806         }
 807
 808         ret = regulator_enable(em_x270_camera_ldo);
 809         if (ret) {
 810                 regulator_put(em_x270_camera_ldo);
 811                 gpio_free(GPIO93_CAM_RESET);
 812                 return ret;
 813         }
 814
 815         gpio_set_value(GPIO93_CAM_RESET, 1);
 816
 817         return 0;
 818 }
 819
 820 struct pxacamera_platform_data em_x270_camera_platform_data = {
 821         .init   = em_x270_sensor_init,
 822         .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 823                 PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 824         .mclk_10khz = 2600,
 825 };
 826
 827 static int em_x270_sensor_power(struct device *dev, int on)
 828 {
 829         int ret;
 830         int is_on = regulator_is_enabled(em_x270_camera_ldo);
 831
 832         if (on == is_on)
 833                 return 0;
 834
 835         gpio_set_value(GPIO93_CAM_RESET, !on);
 836
 837         if (on)
 838                 ret = regulator_enable(em_x270_camera_ldo);
 839         else
 840                 ret = regulator_disable(em_x270_camera_ldo);
 841
 842         if (ret)
 843                 return ret;
 844
 845         gpio_set_value(GPIO93_CAM_RESET, on);
 846
 847         return 0;
 848 }
 849
 850 static struct soc_camera_link iclink = {
 851         .bus_id = 0,
 852         .power = em_x270_sensor_power,
 853 };
 854
 855 static struct i2c_board_info em_x270_i2c_cam_info[] = {
 856         {
 857                 I2C_BOARD_INFO("mt9m111", 0x48),
 858                 .platform_data = &iclink,
 859         },
 860 };
 861
 862 static struct i2c_pxa_platform_data em_x270_i2c_info = {
 863         .fast_mode = 1,
 864 };
 865
 866 static void  __init em_x270_init_camera(void)
 867 {
 868         pxa_set_i2c_info(&em_x270_i2c_info);
 869         i2c_register_board_info(0, ARRAY_AND_SIZE(em_x270_i2c_cam_info));
 870         pxa_set_camera_info(&em_x270_camera_platform_data);
 871 }
 872 #else
 873 static inline void em_x270_init_camera(void) {}
 874 #endif
 875
 876 /* DA9030 related initializations */
 877 #define REGULATOR_CONSUMER(_name, _dev, _supply)                               \
 878         static struct regulator_consumer_supply _name##_consumers[] = { \
 879                 {                                                       \
 880                         .dev = _dev,                                    \
 881                         .supply = _supply,                              \
 882                 },                                                      \
 883         }
 884
 885 REGULATOR_CONSUMER(ldo3, NULL, "vcc gps");
 886 REGULATOR_CONSUMER(ldo5, NULL, "vcc cam");
 887 REGULATOR_CONSUMER(ldo10, &pxa_device_mci.dev, "vcc sdio");
 888 REGULATOR_CONSUMER(ldo12, NULL, "vcc usb");
 889 REGULATOR_CONSUMER(ldo19, NULL, "vcc gprs");
 890
 891 #define REGULATOR_INIT(_ldo, _min_uV, _max_uV, _ops_mask)               \
 892         static struct regulator_init_data _ldo##_data = {               \
 893                 .constraints = {                                        \
 894                         .min_uV = _min_uV,                              \
 895                         .max_uV = _max_uV,                              \
 896                         .state_mem = {                                  \
 897                                 .enabled = 0,                           \
 898                         },                                              \
 899                         .valid_ops_mask = _ops_mask,                    \
 900                 },                                                      \
 901                 .num_consumer_supplies = ARRAY_SIZE(_ldo##_consumers),  \
 902                 .consumer_supplies = _ldo##_consumers,                  \
 903         };
 904
 905 REGULATOR_INIT(ldo3, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
 906 REGULATOR_INIT(ldo5, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
 907 REGULATOR_INIT(ldo10, 2000000, 3200000,
 908                REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_VOLTAGE);
 909 REGULATOR_INIT(ldo12, 3000000, 3000000, REGULATOR_CHANGE_STATUS);
 910 REGULATOR_INIT(ldo19, 3200000, 3200000, REGULATOR_CHANGE_STATUS);
 911
 912 struct led_info em_x270_led_info = {
 913         .name = "em-x270:orange",
 914         .default_trigger = "battery-charging-or-full",
 915 };
 916
 917 struct power_supply_info em_x270_psy_info = {
 918         .name = "LP555597P6H-FPS",
 919         .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
 920         .voltage_max_design = 4200000,
 921         .voltage_min_design = 3000000,
 922         .use_for_apm = 1,
 923 };
 924
 925 static void em_x270_battery_low(void)
 926 {
 927         apm_queue_event(APM_LOW_BATTERY);
 928 }
 929
 930 static void em_x270_battery_critical(void)
 931 {
 932         apm_queue_event(APM_CRITICAL_SUSPEND);
 933 }
 934
 935 struct da9030_battery_info em_x270_batterty_info = {
 936         .battery_info = &em_x270_psy_info,
 937
 938         .charge_milliamp = 1000,
 939         .charge_millivolt = 4200,
 940
 941         .vbat_low = 3600,
 942         .vbat_crit = 3400,
 943         .vbat_charge_start = 4100,
 944         .vbat_charge_stop = 4200,
 945         .vbat_charge_restart = 4000,
 946
 947         .vcharge_min = 3200,
 948         .vcharge_max = 5500,
 949
 950         .tbat_low = 197,
 951         .tbat_high = 78,
 952         .tbat_restart = 100,
 953
 954         .batmon_interval = 0,
 955
 956         .battery_low = em_x270_battery_low,
 957         .battery_critical = em_x270_battery_critical,
 958 };
 959
 960 #define DA9030_SUBDEV(_name, _id, _pdata)       \
 961         {                                       \
 962                 .name = "da903x-" #_name,       \
 963                 .id = DA9030_ID_##_id,          \
 964                 .platform_data = _pdata,        \
 965         }
 966
 967 #define DA9030_LDO(num) DA9030_SUBDEV(regulator, LDO##num, &ldo##num##_data)
 968
 969 struct da903x_subdev_info em_x270_da9030_subdevs[] = {
 970         DA9030_LDO(3),
 971         DA9030_LDO(5),
 972         DA9030_LDO(10),
 973         DA9030_LDO(12),
 974         DA9030_LDO(19),
 975
 976         DA9030_SUBDEV(led, LED_PC, &em_x270_led_info),
 977         DA9030_SUBDEV(backlight, WLED, &em_x270_led_info),
 978         DA9030_SUBDEV(battery, BAT, &em_x270_batterty_info),
 979 };
 980
 981 static struct da903x_platform_data em_x270_da9030_info = {
 982         .num_subdevs = ARRAY_SIZE(em_x270_da9030_subdevs),
 983         .subdevs = em_x270_da9030_subdevs,
 984 };
 985
 986 static struct i2c_board_info em_x270_i2c_pmic_info = {
 987         I2C_BOARD_INFO("da9030", 0x49),
 988         .irq = IRQ_GPIO(0),
 989         .platform_data = &em_x270_da9030_info,
 990 };
 991
 992 static struct i2c_pxa_platform_data em_x270_pwr_i2c_info = {
 993         .use_pio = 1,
 994 };
 995
 996 static void __init em_x270_init_da9030(void)
 997 {
 998         pxa27x_set_i2c_power_info(&em_x270_pwr_i2c_info);
 999         i2c_register_board_info(1, &em_x270_i2c_pmic_info, 1);
1000 }
1001
1002 static void __init em_x270_module_init(void)
1003 {
1004         pr_info("%s\n", __func__);
1005         pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config));
1006
1007         mmc_cd = GPIO13_MMC_CD;
1008         nand_rb = GPIO56_NAND_RB;
1009         dm9000_flags = DM9000_PLATF_32BITONLY;
1010 }
1011
1012 static void __init em_x270_exeda_init(void)
1013 {
1014         pr_info("%s\n", __func__);
1015         pxa2xx_mfp_config(ARRAY_AND_SIZE(exeda_pin_config));
1016
1017         mmc_cd = GPIO114_MMC_CD;
1018         nand_rb = GPIO20_NAND_RB;
1019         dm9000_flags = DM9000_PLATF_16BITONLY;
1020 }
1021
1022 static void __init em_x270_init(void)
1023 {
1024         pxa2xx_mfp_config(ARRAY_AND_SIZE(common_pin_config));
1025
1026         if (machine_is_em_x270())
1027                 em_x270_module_init();
1028         else if (machine_is_exeda())
1029                 em_x270_exeda_init();
1030         else
1031                 panic("Unsupported machine: %d\n", machine_arch_type);
1032
1033         em_x270_init_da9030();
1034         em_x270_init_dm9000();
1035         em_x270_init_rtc();
1036         em_x270_init_nand();
1037         em_x270_init_nor();
1038         em_x270_init_lcd();
1039         em_x270_init_mmc();
1040         em_x270_init_ohci();
1041         em_x270_init_keypad();
1042         em_x270_init_gpio_keys();
1043         em_x270_init_ac97();
1044         em_x270_init_camera();
1045         em_x270_init_spi();
1046 }
1047
1048 MACHINE_START(EM_X270, "Compulab EM-X270")
1049         .boot_params    = 0xa0000100,
1050         .phys_io        = 0x40000000,
1051         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1052         .map_io         = pxa_map_io,
1053         .init_irq       = pxa27x_init_irq,
1054         .timer          = &pxa_timer,
1055         .init_machine   = em_x270_init,
1056 MACHINE_END
1057
1058 MACHINE_START(EXEDA, "Compulab eXeda")
1059         .boot_params    = 0xa0000100,
1060         .phys_io        = 0x40000000,
1061         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
1062         .map_io         = pxa_map_io,
1063         .init_irq       = pxa27x_init_irq,
1064         .timer          = &pxa_timer,
1065         .init_machine   = em_x270_init,
1066 MACHINE_END