linux/arch/arm/mach-imx/mach-pcm037.c
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   1/*
   2 *  Copyright (C) 2008 Sascha Hauer, Pengutronix
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License as published by
   6 * the Free Software Foundation; either version 2 of the License, or
   7 * (at your option) any later version.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 */
  14
  15#include <linux/types.h>
  16#include <linux/init.h>
  17#include <linux/dma-mapping.h>
  18#include <linux/platform_device.h>
  19#include <linux/mtd/physmap.h>
  20#include <linux/mtd/plat-ram.h>
  21#include <linux/memory.h>
  22#include <linux/gpio.h>
  23#include <linux/smsc911x.h>
  24#include <linux/interrupt.h>
  25#include <linux/i2c.h>
  26#include <linux/i2c/at24.h>
  27#include <linux/delay.h>
  28#include <linux/spi/spi.h>
  29#include <linux/irq.h>
  30#include <linux/can/platform/sja1000.h>
  31#include <linux/usb/otg.h>
  32#include <linux/usb/ulpi.h>
  33#include <linux/gfp.h>
  34#include <linux/memblock.h>
  35#include <linux/regulator/machine.h>
  36#include <linux/regulator/fixed.h>
  37
  38#include <media/soc_camera.h>
  39
  40#include <asm/mach-types.h>
  41#include <asm/mach/arch.h>
  42#include <asm/mach/time.h>
  43#include <asm/mach/map.h>
  44#include <asm/memblock.h>
  45
  46#include "common.h"
  47#include "devices-imx31.h"
  48#include "hardware.h"
  49#include "iomux-mx3.h"
  50#include "pcm037.h"
  51#include "ulpi.h"
  52
  53static enum pcm037_board_variant pcm037_instance = PCM037_PCM970;
  54
  55static int __init pcm037_variant_setup(char *str)
  56{
  57        if (!strcmp("eet", str))
  58                pcm037_instance = PCM037_EET;
  59        else if (strcmp("pcm970", str))
  60                pr_warning("Unknown pcm037 baseboard variant %s\n", str);
  61
  62        return 1;
  63}
  64
  65/* Supported values: "pcm970" (default) and "eet" */
  66__setup("pcm037_variant=", pcm037_variant_setup);
  67
  68enum pcm037_board_variant pcm037_variant(void)
  69{
  70        return pcm037_instance;
  71}
  72
  73/* UART1 with RTS/CTS handshake signals */
  74static unsigned int pcm037_uart1_handshake_pins[] = {
  75        MX31_PIN_CTS1__CTS1,
  76        MX31_PIN_RTS1__RTS1,
  77        MX31_PIN_TXD1__TXD1,
  78        MX31_PIN_RXD1__RXD1,
  79};
  80
  81/* UART1 without RTS/CTS handshake signals */
  82static unsigned int pcm037_uart1_pins[] = {
  83        MX31_PIN_TXD1__TXD1,
  84        MX31_PIN_RXD1__RXD1,
  85};
  86
  87static unsigned int pcm037_pins[] = {
  88        /* I2C */
  89        MX31_PIN_CSPI2_MOSI__SCL,
  90        MX31_PIN_CSPI2_MISO__SDA,
  91        MX31_PIN_CSPI2_SS2__I2C3_SDA,
  92        MX31_PIN_CSPI2_SCLK__I2C3_SCL,
  93        /* SDHC1 */
  94        MX31_PIN_SD1_DATA3__SD1_DATA3,
  95        MX31_PIN_SD1_DATA2__SD1_DATA2,
  96        MX31_PIN_SD1_DATA1__SD1_DATA1,
  97        MX31_PIN_SD1_DATA0__SD1_DATA0,
  98        MX31_PIN_SD1_CLK__SD1_CLK,
  99        MX31_PIN_SD1_CMD__SD1_CMD,
 100        IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
 101        IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
 102        /* SPI1 */
 103        MX31_PIN_CSPI1_MOSI__MOSI,
 104        MX31_PIN_CSPI1_MISO__MISO,
 105        MX31_PIN_CSPI1_SCLK__SCLK,
 106        MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
 107        MX31_PIN_CSPI1_SS0__SS0,
 108        MX31_PIN_CSPI1_SS1__SS1,
 109        MX31_PIN_CSPI1_SS2__SS2,
 110        /* UART2 */
 111        MX31_PIN_TXD2__TXD2,
 112        MX31_PIN_RXD2__RXD2,
 113        MX31_PIN_CTS2__CTS2,
 114        MX31_PIN_RTS2__RTS2,
 115        /* UART3 */
 116        MX31_PIN_CSPI3_MOSI__RXD3,
 117        MX31_PIN_CSPI3_MISO__TXD3,
 118        MX31_PIN_CSPI3_SCLK__RTS3,
 119        MX31_PIN_CSPI3_SPI_RDY__CTS3,
 120        /* LAN9217 irq pin */
 121        IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
 122        /* Onewire */
 123        MX31_PIN_BATT_LINE__OWIRE,
 124        /* Framebuffer */
 125        MX31_PIN_LD0__LD0,
 126        MX31_PIN_LD1__LD1,
 127        MX31_PIN_LD2__LD2,
 128        MX31_PIN_LD3__LD3,
 129        MX31_PIN_LD4__LD4,
 130        MX31_PIN_LD5__LD5,
 131        MX31_PIN_LD6__LD6,
 132        MX31_PIN_LD7__LD7,
 133        MX31_PIN_LD8__LD8,
 134        MX31_PIN_LD9__LD9,
 135        MX31_PIN_LD10__LD10,
 136        MX31_PIN_LD11__LD11,
 137        MX31_PIN_LD12__LD12,
 138        MX31_PIN_LD13__LD13,
 139        MX31_PIN_LD14__LD14,
 140        MX31_PIN_LD15__LD15,
 141        MX31_PIN_LD16__LD16,
 142        MX31_PIN_LD17__LD17,
 143        MX31_PIN_VSYNC3__VSYNC3,
 144        MX31_PIN_HSYNC__HSYNC,
 145        MX31_PIN_FPSHIFT__FPSHIFT,
 146        MX31_PIN_DRDY0__DRDY0,
 147        MX31_PIN_D3_REV__D3_REV,
 148        MX31_PIN_CONTRAST__CONTRAST,
 149        MX31_PIN_D3_SPL__D3_SPL,
 150        MX31_PIN_D3_CLS__D3_CLS,
 151        MX31_PIN_LCS0__GPI03_23,
 152        /* CSI */
 153        IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
 154        MX31_PIN_CSI_D6__CSI_D6,
 155        MX31_PIN_CSI_D7__CSI_D7,
 156        MX31_PIN_CSI_D8__CSI_D8,
 157        MX31_PIN_CSI_D9__CSI_D9,
 158        MX31_PIN_CSI_D10__CSI_D10,
 159        MX31_PIN_CSI_D11__CSI_D11,
 160        MX31_PIN_CSI_D12__CSI_D12,
 161        MX31_PIN_CSI_D13__CSI_D13,
 162        MX31_PIN_CSI_D14__CSI_D14,
 163        MX31_PIN_CSI_D15__CSI_D15,
 164        MX31_PIN_CSI_HSYNC__CSI_HSYNC,
 165        MX31_PIN_CSI_MCLK__CSI_MCLK,
 166        MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
 167        MX31_PIN_CSI_VSYNC__CSI_VSYNC,
 168        /* GPIO */
 169        IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
 170        /* OTG */
 171        MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
 172        MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
 173        MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
 174        MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
 175        MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
 176        MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
 177        MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
 178        MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
 179        MX31_PIN_USBOTG_CLK__USBOTG_CLK,
 180        MX31_PIN_USBOTG_DIR__USBOTG_DIR,
 181        MX31_PIN_USBOTG_NXT__USBOTG_NXT,
 182        MX31_PIN_USBOTG_STP__USBOTG_STP,
 183        /* USB host 2 */
 184        IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
 185        IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
 186        IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
 187        IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
 188        IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
 189        IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
 190        IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
 191        IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
 192        IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
 193        IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
 194        IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
 195        IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
 196};
 197
 198static struct physmap_flash_data pcm037_flash_data = {
 199        .width  = 2,
 200};
 201
 202static struct resource pcm037_flash_resource = {
 203        .start  = 0xa0000000,
 204        .end    = 0xa1ffffff,
 205        .flags  = IORESOURCE_MEM,
 206};
 207
 208static struct platform_device pcm037_flash = {
 209        .name   = "physmap-flash",
 210        .id     = 0,
 211        .dev    = {
 212                .platform_data  = &pcm037_flash_data,
 213        },
 214        .resource = &pcm037_flash_resource,
 215        .num_resources = 1,
 216};
 217
 218static const struct imxuart_platform_data uart_pdata __initconst = {
 219        .flags = IMXUART_HAVE_RTSCTS,
 220};
 221
 222static struct resource smsc911x_resources[] = {
 223        {
 224                .start          = MX31_CS1_BASE_ADDR + 0x300,
 225                .end            = MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
 226                .flags          = IORESOURCE_MEM,
 227        }, {
 228                /* irq number is run-time assigned */
 229                .flags          = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 230        },
 231};
 232
 233static struct smsc911x_platform_config smsc911x_info = {
 234        .flags          = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
 235                          SMSC911X_SAVE_MAC_ADDRESS,
 236        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 237        .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 238        .phy_interface  = PHY_INTERFACE_MODE_MII,
 239};
 240
 241static struct platform_device pcm037_eth = {
 242        .name           = "smsc911x",
 243        .id             = -1,
 244        .num_resources  = ARRAY_SIZE(smsc911x_resources),
 245        .resource       = smsc911x_resources,
 246        .dev            = {
 247                .platform_data = &smsc911x_info,
 248        },
 249};
 250
 251static struct platdata_mtd_ram pcm038_sram_data = {
 252        .bankwidth = 2,
 253};
 254
 255static struct resource pcm038_sram_resource = {
 256        .start = MX31_CS4_BASE_ADDR,
 257        .end   = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
 258        .flags = IORESOURCE_MEM,
 259};
 260
 261static struct platform_device pcm037_sram_device = {
 262        .name = "mtd-ram",
 263        .id = 0,
 264        .dev = {
 265                .platform_data = &pcm038_sram_data,
 266        },
 267        .num_resources = 1,
 268        .resource = &pcm038_sram_resource,
 269};
 270
 271static const struct mxc_nand_platform_data
 272pcm037_nand_board_info __initconst = {
 273        .width = 1,
 274        .hw_ecc = 1,
 275};
 276
 277static const struct imxi2c_platform_data pcm037_i2c1_data __initconst = {
 278        .bitrate = 100000,
 279};
 280
 281static const struct imxi2c_platform_data pcm037_i2c2_data __initconst = {
 282        .bitrate = 20000,
 283};
 284
 285static struct at24_platform_data board_eeprom = {
 286        .byte_len = 4096,
 287        .page_size = 32,
 288        .flags = AT24_FLAG_ADDR16,
 289};
 290
 291static int pcm037_camera_power(struct device *dev, int on)
 292{
 293        /* disable or enable the camera in X7 or X8 PCM970 connector */
 294        gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
 295        return 0;
 296}
 297
 298static struct i2c_board_info pcm037_i2c_camera[] = {
 299        {
 300                I2C_BOARD_INFO("mt9t031", 0x5d),
 301        }, {
 302                I2C_BOARD_INFO("mt9v022", 0x48),
 303        },
 304};
 305
 306static struct soc_camera_link iclink_mt9v022 = {
 307        .bus_id         = 0,            /* Must match with the camera ID */
 308        .board_info     = &pcm037_i2c_camera[1],
 309        .i2c_adapter_id = 2,
 310};
 311
 312static struct soc_camera_link iclink_mt9t031 = {
 313        .bus_id         = 0,            /* Must match with the camera ID */
 314        .power          = pcm037_camera_power,
 315        .board_info     = &pcm037_i2c_camera[0],
 316        .i2c_adapter_id = 2,
 317};
 318
 319static struct i2c_board_info pcm037_i2c_devices[] = {
 320        {
 321                I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
 322                .platform_data = &board_eeprom,
 323        }, {
 324                I2C_BOARD_INFO("pcf8563", 0x51),
 325        }
 326};
 327
 328static struct platform_device pcm037_mt9t031 = {
 329        .name   = "soc-camera-pdrv",
 330        .id     = 0,
 331        .dev    = {
 332                .platform_data = &iclink_mt9t031,
 333        },
 334};
 335
 336static struct platform_device pcm037_mt9v022 = {
 337        .name   = "soc-camera-pdrv",
 338        .id     = 1,
 339        .dev    = {
 340                .platform_data = &iclink_mt9v022,
 341        },
 342};
 343
 344/* Not connected by default */
 345#ifdef PCM970_SDHC_RW_SWITCH
 346static int pcm970_sdhc1_get_ro(struct device *dev)
 347{
 348        return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
 349}
 350#endif
 351
 352#define SDHC1_GPIO_WP   IOMUX_TO_GPIO(MX31_PIN_SFS6)
 353#define SDHC1_GPIO_DET  IOMUX_TO_GPIO(MX31_PIN_SCK6)
 354
 355static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 356                void *data)
 357{
 358        int ret;
 359
 360        ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
 361        if (ret)
 362                return ret;
 363
 364        gpio_direction_input(SDHC1_GPIO_DET);
 365
 366#ifdef PCM970_SDHC_RW_SWITCH
 367        ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
 368        if (ret)
 369                goto err_gpio_free;
 370        gpio_direction_input(SDHC1_GPIO_WP);
 371#endif
 372
 373        ret = request_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_SCK6)), detect_irq,
 374                        IRQF_DISABLED | IRQF_TRIGGER_FALLING,
 375                                "sdhc-detect", data);
 376        if (ret)
 377                goto err_gpio_free_2;
 378
 379        return 0;
 380
 381err_gpio_free_2:
 382#ifdef PCM970_SDHC_RW_SWITCH
 383        gpio_free(SDHC1_GPIO_WP);
 384err_gpio_free:
 385#endif
 386        gpio_free(SDHC1_GPIO_DET);
 387
 388        return ret;
 389}
 390
 391static void pcm970_sdhc1_exit(struct device *dev, void *data)
 392{
 393        free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_SCK6)), data);
 394        gpio_free(SDHC1_GPIO_DET);
 395        gpio_free(SDHC1_GPIO_WP);
 396}
 397
 398static const struct imxmmc_platform_data sdhc_pdata __initconst = {
 399#ifdef PCM970_SDHC_RW_SWITCH
 400        .get_ro = pcm970_sdhc1_get_ro,
 401#endif
 402        .init = pcm970_sdhc1_init,
 403        .exit = pcm970_sdhc1_exit,
 404};
 405
 406struct mx3_camera_pdata camera_pdata __initdata = {
 407        .flags          = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
 408        .mclk_10khz     = 2000,
 409};
 410
 411static phys_addr_t mx3_camera_base __initdata;
 412#define MX3_CAMERA_BUF_SIZE SZ_4M
 413
 414static int __init pcm037_init_camera(void)
 415{
 416        int dma, ret = -ENOMEM;
 417        struct platform_device *pdev = imx31_alloc_mx3_camera(&camera_pdata);
 418
 419        if (IS_ERR(pdev))
 420                return PTR_ERR(pdev);
 421
 422        dma = dma_declare_coherent_memory(&pdev->dev,
 423                                        mx3_camera_base, mx3_camera_base,
 424                                        MX3_CAMERA_BUF_SIZE,
 425                                        DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 426        if (!(dma & DMA_MEMORY_MAP))
 427                goto err;
 428
 429        ret = platform_device_add(pdev);
 430        if (ret)
 431err:
 432                platform_device_put(pdev);
 433
 434        return ret;
 435}
 436
 437static struct platform_device *devices[] __initdata = {
 438        &pcm037_flash,
 439        &pcm037_sram_device,
 440        &pcm037_mt9t031,
 441        &pcm037_mt9v022,
 442};
 443
 444static const struct fb_videomode fb_modedb[] = {
 445        {
 446                /* 240x320 @ 60 Hz Sharp */
 447                .name           = "Sharp-LQ035Q7DH06-QVGA",
 448                .refresh        = 60,
 449                .xres           = 240,
 450                .yres           = 320,
 451                .pixclock       = 185925,
 452                .left_margin    = 9,
 453                .right_margin   = 16,
 454                .upper_margin   = 7,
 455                .lower_margin   = 9,
 456                .hsync_len      = 1,
 457                .vsync_len      = 1,
 458                .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
 459                                  FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
 460                .vmode          = FB_VMODE_NONINTERLACED,
 461                .flag           = 0,
 462        }, {
 463                /* 240x320 @ 60 Hz */
 464                .name           = "TX090",
 465                .refresh        = 60,
 466                .xres           = 240,
 467                .yres           = 320,
 468                .pixclock       = 38255,
 469                .left_margin    = 144,
 470                .right_margin   = 0,
 471                .upper_margin   = 7,
 472                .lower_margin   = 40,
 473                .hsync_len      = 96,
 474                .vsync_len      = 1,
 475                .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
 476                .vmode          = FB_VMODE_NONINTERLACED,
 477                .flag           = 0,
 478        }, {
 479                /* 240x320 @ 60 Hz */
 480                .name           = "CMEL-OLED",
 481                .refresh        = 60,
 482                .xres           = 240,
 483                .yres           = 320,
 484                .pixclock       = 185925,
 485                .left_margin    = 9,
 486                .right_margin   = 16,
 487                .upper_margin   = 7,
 488                .lower_margin   = 9,
 489                .hsync_len      = 1,
 490                .vsync_len      = 1,
 491                .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
 492                .vmode          = FB_VMODE_NONINTERLACED,
 493                .flag           = 0,
 494        },
 495};
 496
 497static struct mx3fb_platform_data mx3fb_pdata = {
 498        .name           = "Sharp-LQ035Q7DH06-QVGA",
 499        .mode           = fb_modedb,
 500        .num_modes      = ARRAY_SIZE(fb_modedb),
 501};
 502
 503static struct resource pcm970_sja1000_resources[] = {
 504        {
 505                .start   = MX31_CS5_BASE_ADDR,
 506                .end     = MX31_CS5_BASE_ADDR + 0x100 - 1,
 507                .flags   = IORESOURCE_MEM,
 508        }, {
 509                /* irq number is run-time assigned */
 510                .flags   = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 511        },
 512};
 513
 514struct sja1000_platform_data pcm970_sja1000_platform_data = {
 515        .osc_freq       = 16000000,
 516        .ocr            = OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL,
 517        .cdr            = CDR_CBP,
 518};
 519
 520static struct platform_device pcm970_sja1000 = {
 521        .name = "sja1000_platform",
 522        .dev = {
 523                .platform_data = &pcm970_sja1000_platform_data,
 524        },
 525        .resource = pcm970_sja1000_resources,
 526        .num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
 527};
 528
 529static int pcm037_otg_init(struct platform_device *pdev)
 530{
 531        return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 532}
 533
 534static struct mxc_usbh_platform_data otg_pdata __initdata = {
 535        .init   = pcm037_otg_init,
 536        .portsc = MXC_EHCI_MODE_ULPI,
 537};
 538
 539static int pcm037_usbh2_init(struct platform_device *pdev)
 540{
 541        return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 542}
 543
 544static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 545        .init   = pcm037_usbh2_init,
 546        .portsc = MXC_EHCI_MODE_ULPI,
 547};
 548
 549static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
 550        .operating_mode = FSL_USB2_DR_DEVICE,
 551        .phy_mode       = FSL_USB2_PHY_ULPI,
 552};
 553
 554static bool otg_mode_host __initdata;
 555
 556static int __init pcm037_otg_mode(char *options)
 557{
 558        if (!strcmp(options, "host"))
 559                otg_mode_host = true;
 560        else if (!strcmp(options, "device"))
 561                otg_mode_host = false;
 562        else
 563                pr_info("otg_mode neither \"host\" nor \"device\". "
 564                        "Defaulting to device\n");
 565        return 1;
 566}
 567__setup("otg_mode=", pcm037_otg_mode);
 568
 569static struct regulator_consumer_supply dummy_supplies[] = {
 570        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
 571        REGULATOR_SUPPLY("vddvario", "smsc911x"),
 572};
 573
 574/*
 575 * Board specific initialization.
 576 */
 577static void __init pcm037_init(void)
 578{
 579        int ret;
 580
 581        imx31_soc_init();
 582
 583        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 584
 585        mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
 586
 587        mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
 588                        "pcm037");
 589
 590#define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
 591                | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 592
 593        mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
 594        mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
 595        mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
 596        mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
 597        mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
 598        mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
 599        mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG);  /* USBH2_DATA2 */
 600        mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG);  /* USBH2_DATA3 */
 601        mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG);   /* USBH2_DATA4 */
 602        mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG);   /* USBH2_DATA5 */
 603        mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG);  /* USBH2_DATA6 */
 604        mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG);  /* USBH2_DATA7 */
 605
 606        if (pcm037_variant() == PCM037_EET)
 607                mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
 608                        ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
 609        else
 610                mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins,
 611                        ARRAY_SIZE(pcm037_uart1_handshake_pins),
 612                        "pcm037_uart1");
 613
 614        platform_add_devices(devices, ARRAY_SIZE(devices));
 615
 616        imx31_add_imx2_wdt();
 617        imx31_add_imx_uart0(&uart_pdata);
 618        /* XXX: should't this have .flags = 0 (i.e. no RTSCTS) on PCM037_EET? */
 619        imx31_add_imx_uart1(&uart_pdata);
 620        imx31_add_imx_uart2(&uart_pdata);
 621
 622        imx31_add_mxc_w1();
 623
 624        /* LAN9217 IRQ pin */
 625        ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
 626        if (ret)
 627                pr_warning("could not get LAN irq gpio\n");
 628        else {
 629                gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 630                smsc911x_resources[1].start =
 631                        gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 632                smsc911x_resources[1].end =
 633                        gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 634                platform_device_register(&pcm037_eth);
 635        }
 636
 637
 638        /* I2C adapters and devices */
 639        i2c_register_board_info(1, pcm037_i2c_devices,
 640                        ARRAY_SIZE(pcm037_i2c_devices));
 641
 642        imx31_add_imx_i2c1(&pcm037_i2c1_data);
 643        imx31_add_imx_i2c2(&pcm037_i2c2_data);
 644
 645        imx31_add_mxc_nand(&pcm037_nand_board_info);
 646        imx31_add_mxc_mmc(0, &sdhc_pdata);
 647        imx31_add_ipu_core();
 648        imx31_add_mx3_sdc_fb(&mx3fb_pdata);
 649
 650        /* CSI */
 651        /* Camera power: default - off */
 652        ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
 653        if (!ret)
 654                gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
 655        else
 656                iclink_mt9t031.power = NULL;
 657
 658        pcm037_init_camera();
 659
 660        pcm970_sja1000_resources[1].start =
 661                        gpio_to_irq(IOMUX_TO_GPIO(IOMUX_PIN(48, 105)));
 662        pcm970_sja1000_resources[1].end =
 663                        gpio_to_irq(IOMUX_TO_GPIO(IOMUX_PIN(48, 105)));
 664        platform_device_register(&pcm970_sja1000);
 665
 666        if (otg_mode_host) {
 667                otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 668                                ULPI_OTG_DRVVBUS_EXT);
 669                if (otg_pdata.otg)
 670                        imx31_add_mxc_ehci_otg(&otg_pdata);
 671        }
 672
 673        usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 674                        ULPI_OTG_DRVVBUS_EXT);
 675        if (usbh2_pdata.otg)
 676                imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 677
 678        if (!otg_mode_host)
 679                imx31_add_fsl_usb2_udc(&otg_device_pdata);
 680
 681}
 682
 683static void __init pcm037_timer_init(void)
 684{
 685        mx31_clocks_init(26000000);
 686}
 687
 688static void __init pcm037_reserve(void)
 689{
 690        /* reserve 4 MiB for mx3-camera */
 691        mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
 692                        MX3_CAMERA_BUF_SIZE);
 693}
 694
 695static void __init pcm037_init_late(void)
 696{
 697        pcm037_eet_init_devices();
 698}
 699
 700MACHINE_START(PCM037, "Phytec Phycore pcm037")
 701        /* Maintainer: Pengutronix */
 702        .atag_offset = 0x100,
 703        .reserve = pcm037_reserve,
 704        .map_io = mx31_map_io,
 705        .init_early = imx31_init_early,
 706        .init_irq = mx31_init_irq,
 707        .handle_irq = imx31_handle_irq,
 708        .init_time      = pcm037_timer_init,
 709        .init_machine = pcm037_init,
 710        .init_late = pcm037_init_late,
 711        .restart        = mxc_restart,
 712MACHINE_END
 713