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/platform_data/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_TRIGGER_FALLING, "sdhc-detect", data);
 375        if (ret)
 376                goto err_gpio_free_2;
 377
 378        return 0;
 379
 380err_gpio_free_2:
 381#ifdef PCM970_SDHC_RW_SWITCH
 382        gpio_free(SDHC1_GPIO_WP);
 383err_gpio_free:
 384#endif
 385        gpio_free(SDHC1_GPIO_DET);
 386
 387        return ret;
 388}
 389
 390static void pcm970_sdhc1_exit(struct device *dev, void *data)
 391{
 392        free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_SCK6)), data);
 393        gpio_free(SDHC1_GPIO_DET);
 394        gpio_free(SDHC1_GPIO_WP);
 395}
 396
 397static const struct imxmmc_platform_data sdhc_pdata __initconst = {
 398#ifdef PCM970_SDHC_RW_SWITCH
 399        .get_ro = pcm970_sdhc1_get_ro,
 400#endif
 401        .init = pcm970_sdhc1_init,
 402        .exit = pcm970_sdhc1_exit,
 403};
 404
 405struct mx3_camera_pdata camera_pdata __initdata = {
 406        .flags          = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
 407        .mclk_10khz     = 2000,
 408};
 409
 410static phys_addr_t mx3_camera_base __initdata;
 411#define MX3_CAMERA_BUF_SIZE SZ_4M
 412
 413static int __init pcm037_init_camera(void)
 414{
 415        int dma, ret = -ENOMEM;
 416        struct platform_device *pdev = imx31_alloc_mx3_camera(&camera_pdata);
 417
 418        if (IS_ERR(pdev))
 419                return PTR_ERR(pdev);
 420
 421        dma = dma_declare_coherent_memory(&pdev->dev,
 422                                        mx3_camera_base, mx3_camera_base,
 423                                        MX3_CAMERA_BUF_SIZE,
 424                                        DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 425        if (!(dma & DMA_MEMORY_MAP))
 426                goto err;
 427
 428        ret = platform_device_add(pdev);
 429        if (ret)
 430err:
 431                platform_device_put(pdev);
 432
 433        return ret;
 434}
 435
 436static struct platform_device *devices[] __initdata = {
 437        &pcm037_flash,
 438        &pcm037_sram_device,
 439        &pcm037_mt9t031,
 440        &pcm037_mt9v022,
 441};
 442
 443static const struct fb_videomode fb_modedb[] = {
 444        {
 445                /* 240x320 @ 60 Hz Sharp */
 446                .name           = "Sharp-LQ035Q7DH06-QVGA",
 447                .refresh        = 60,
 448                .xres           = 240,
 449                .yres           = 320,
 450                .pixclock       = 185925,
 451                .left_margin    = 9,
 452                .right_margin   = 16,
 453                .upper_margin   = 7,
 454                .lower_margin   = 9,
 455                .hsync_len      = 1,
 456                .vsync_len      = 1,
 457                .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
 458                                  FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
 459                .vmode          = FB_VMODE_NONINTERLACED,
 460                .flag           = 0,
 461        }, {
 462                /* 240x320 @ 60 Hz */
 463                .name           = "TX090",
 464                .refresh        = 60,
 465                .xres           = 240,
 466                .yres           = 320,
 467                .pixclock       = 38255,
 468                .left_margin    = 144,
 469                .right_margin   = 0,
 470                .upper_margin   = 7,
 471                .lower_margin   = 40,
 472                .hsync_len      = 96,
 473                .vsync_len      = 1,
 474                .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
 475                .vmode          = FB_VMODE_NONINTERLACED,
 476                .flag           = 0,
 477        }, {
 478                /* 240x320 @ 60 Hz */
 479                .name           = "CMEL-OLED",
 480                .refresh        = 60,
 481                .xres           = 240,
 482                .yres           = 320,
 483                .pixclock       = 185925,
 484                .left_margin    = 9,
 485                .right_margin   = 16,
 486                .upper_margin   = 7,
 487                .lower_margin   = 9,
 488                .hsync_len      = 1,
 489                .vsync_len      = 1,
 490                .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
 491                .vmode          = FB_VMODE_NONINTERLACED,
 492                .flag           = 0,
 493        },
 494};
 495
 496static struct mx3fb_platform_data mx3fb_pdata = {
 497        .name           = "Sharp-LQ035Q7DH06-QVGA",
 498        .mode           = fb_modedb,
 499        .num_modes      = ARRAY_SIZE(fb_modedb),
 500};
 501
 502static struct resource pcm970_sja1000_resources[] = {
 503        {
 504                .start   = MX31_CS5_BASE_ADDR,
 505                .end     = MX31_CS5_BASE_ADDR + 0x100 - 1,
 506                .flags   = IORESOURCE_MEM,
 507        }, {
 508                /* irq number is run-time assigned */
 509                .flags   = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 510        },
 511};
 512
 513struct sja1000_platform_data pcm970_sja1000_platform_data = {
 514        .osc_freq       = 16000000,
 515        .ocr            = OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL,
 516        .cdr            = CDR_CBP,
 517};
 518
 519static struct platform_device pcm970_sja1000 = {
 520        .name = "sja1000_platform",
 521        .dev = {
 522                .platform_data = &pcm970_sja1000_platform_data,
 523        },
 524        .resource = pcm970_sja1000_resources,
 525        .num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
 526};
 527
 528static int pcm037_otg_init(struct platform_device *pdev)
 529{
 530        return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 531}
 532
 533static struct mxc_usbh_platform_data otg_pdata __initdata = {
 534        .init   = pcm037_otg_init,
 535        .portsc = MXC_EHCI_MODE_ULPI,
 536};
 537
 538static int pcm037_usbh2_init(struct platform_device *pdev)
 539{
 540        return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 541}
 542
 543static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 544        .init   = pcm037_usbh2_init,
 545        .portsc = MXC_EHCI_MODE_ULPI,
 546};
 547
 548static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
 549        .operating_mode = FSL_USB2_DR_DEVICE,
 550        .phy_mode       = FSL_USB2_PHY_ULPI,
 551};
 552
 553static bool otg_mode_host __initdata;
 554
 555static int __init pcm037_otg_mode(char *options)
 556{
 557        if (!strcmp(options, "host"))
 558                otg_mode_host = true;
 559        else if (!strcmp(options, "device"))
 560                otg_mode_host = false;
 561        else
 562                pr_info("otg_mode neither \"host\" nor \"device\". "
 563                        "Defaulting to device\n");
 564        return 1;
 565}
 566__setup("otg_mode=", pcm037_otg_mode);
 567
 568static struct regulator_consumer_supply dummy_supplies[] = {
 569        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
 570        REGULATOR_SUPPLY("vddvario", "smsc911x"),
 571};
 572
 573/*
 574 * Board specific initialization.
 575 */
 576static void __init pcm037_init(void)
 577{
 578        int ret;
 579
 580        imx31_soc_init();
 581
 582        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 583
 584        mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
 585
 586        mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
 587                        "pcm037");
 588
 589#define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
 590                | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 591
 592        mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
 593        mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
 594        mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
 595        mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
 596        mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
 597        mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
 598        mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG);  /* USBH2_DATA2 */
 599        mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG);  /* USBH2_DATA3 */
 600        mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG);   /* USBH2_DATA4 */
 601        mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG);   /* USBH2_DATA5 */
 602        mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG);  /* USBH2_DATA6 */
 603        mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG);  /* USBH2_DATA7 */
 604
 605        if (pcm037_variant() == PCM037_EET)
 606                mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
 607                        ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
 608        else
 609                mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins,
 610                        ARRAY_SIZE(pcm037_uart1_handshake_pins),
 611                        "pcm037_uart1");
 612
 613        platform_add_devices(devices, ARRAY_SIZE(devices));
 614
 615        imx31_add_imx2_wdt();
 616        imx31_add_imx_uart0(&uart_pdata);
 617        /* XXX: should't this have .flags = 0 (i.e. no RTSCTS) on PCM037_EET? */
 618        imx31_add_imx_uart1(&uart_pdata);
 619        imx31_add_imx_uart2(&uart_pdata);
 620
 621        imx31_add_mxc_w1();
 622
 623        /* LAN9217 IRQ pin */
 624        ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
 625        if (ret)
 626                pr_warning("could not get LAN irq gpio\n");
 627        else {
 628                gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 629                smsc911x_resources[1].start =
 630                        gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 631                smsc911x_resources[1].end =
 632                        gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 633                platform_device_register(&pcm037_eth);
 634        }
 635
 636
 637        /* I2C adapters and devices */
 638        i2c_register_board_info(1, pcm037_i2c_devices,
 639                        ARRAY_SIZE(pcm037_i2c_devices));
 640
 641        imx31_add_imx_i2c1(&pcm037_i2c1_data);
 642        imx31_add_imx_i2c2(&pcm037_i2c2_data);
 643
 644        imx31_add_mxc_nand(&pcm037_nand_board_info);
 645        imx31_add_mxc_mmc(0, &sdhc_pdata);
 646        imx31_add_ipu_core();
 647        imx31_add_mx3_sdc_fb(&mx3fb_pdata);
 648
 649        /* CSI */
 650        /* Camera power: default - off */
 651        ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
 652        if (!ret)
 653                gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
 654        else
 655                iclink_mt9t031.power = NULL;
 656
 657        pcm037_init_camera();
 658
 659        pcm970_sja1000_resources[1].start =
 660                        gpio_to_irq(IOMUX_TO_GPIO(IOMUX_PIN(48, 105)));
 661        pcm970_sja1000_resources[1].end =
 662                        gpio_to_irq(IOMUX_TO_GPIO(IOMUX_PIN(48, 105)));
 663        platform_device_register(&pcm970_sja1000);
 664
 665        if (otg_mode_host) {
 666                otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 667                                ULPI_OTG_DRVVBUS_EXT);
 668                if (otg_pdata.otg)
 669                        imx31_add_mxc_ehci_otg(&otg_pdata);
 670        }
 671
 672        usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 673                        ULPI_OTG_DRVVBUS_EXT);
 674        if (usbh2_pdata.otg)
 675                imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 676
 677        if (!otg_mode_host)
 678                imx31_add_fsl_usb2_udc(&otg_device_pdata);
 679
 680}
 681
 682static void __init pcm037_timer_init(void)
 683{
 684        mx31_clocks_init(26000000);
 685}
 686
 687static void __init pcm037_reserve(void)
 688{
 689        /* reserve 4 MiB for mx3-camera */
 690        mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
 691                        MX3_CAMERA_BUF_SIZE);
 692}
 693
 694static void __init pcm037_init_late(void)
 695{
 696        pcm037_eet_init_devices();
 697}
 698
 699MACHINE_START(PCM037, "Phytec Phycore pcm037")
 700        /* Maintainer: Pengutronix */
 701        .atag_offset = 0x100,
 702        .reserve = pcm037_reserve,
 703        .map_io = mx31_map_io,
 704        .init_early = imx31_init_early,
 705        .init_irq = mx31_init_irq,
 706        .handle_irq = imx31_handle_irq,
 707        .init_time      = pcm037_timer_init,
 708        .init_machine = pcm037_init,
 709        .init_late = pcm037_init_late,
 710        .restart        = mxc_restart,
 711MACHINE_END
 712