arch/arm/mach-imx/mach-pcm037.c

   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
  53 static enum pcm037_board_variant pcm037_instance = PCM037_PCM970;
  54
  55 static 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
  68 enum pcm037_board_variant pcm037_variant(void)
  69 {
  70         return pcm037_instance;
  71 }
  72
  73 /* UART1 with RTS/CTS handshake signals */
  74 static 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 */
  82 static unsigned int pcm037_uart1_pins[] = {
  83         MX31_PIN_TXD1__TXD1,
  84         MX31_PIN_RXD1__RXD1,
  85 };
  86
  87 static 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
 198 static struct physmap_flash_data pcm037_flash_data = {
 199         .width  = 2,
 200 };
 201
 202 static struct resource pcm037_flash_resource = {
 203         .start  = 0xa0000000,
 204         .end    = 0xa1ffffff,
 205         .flags  = IORESOURCE_MEM,
 206 };
 207
 208 static 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
 218 static const struct imxuart_platform_data uart_pdata __initconst = {
 219         .flags = IMXUART_HAVE_RTSCTS,
 220 };
 221
 222 static 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
 233 static 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
 241 static 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
 251 static struct platdata_mtd_ram pcm038_sram_data = {
 252         .bankwidth = 2,
 253 };
 254
 255 static 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
 261 static 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
 271 static const struct mxc_nand_platform_data
 272 pcm037_nand_board_info __initconst = {
 273         .width = 1,
 274         .hw_ecc = 1,
 275 };
 276
 277 static const struct imxi2c_platform_data pcm037_i2c1_data __initconst = {
 278         .bitrate = 100000,
 279 };
 280
 281 static const struct imxi2c_platform_data pcm037_i2c2_data __initconst = {
 282         .bitrate = 20000,
 283 };
 284
 285 static struct at24_platform_data board_eeprom = {
 286         .byte_len = 4096,
 287         .page_size = 32,
 288         .flags = AT24_FLAG_ADDR16,
 289 };
 290
 291 static 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
 298 static struct i2c_board_info pcm037_i2c_camera[] = {
 299         {
 300                 I2C_BOARD_INFO("mt9t031", 0x5d),
 301         }, {
 302                 I2C_BOARD_INFO("mt9v022", 0x48),
 303         },
 304 };
 305
 306 static 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
 312 static 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
 319 static 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
 328 static struct platform_device pcm037_mt9t031 = {
 329         .name   = "soc-camera-pdrv",
 330         .id     = 0,
 331         .dev    = {
 332                 .platform_data = &iclink_mt9t031,
 333         },
 334 };
 335
 336 static 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
 346 static 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
 355 static 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
 381 err_gpio_free_2:
 382 #ifdef PCM970_SDHC_RW_SWITCH
 383         gpio_free(SDHC1_GPIO_WP);
 384 err_gpio_free:
 385 #endif
 386         gpio_free(SDHC1_GPIO_DET);
 387
 388         return ret;
 389 }
 390
 391 static 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
 398 static 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
 406 struct mx3_camera_pdata camera_pdata __initdata = {
 407         .flags          = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
 408         .mclk_10khz     = 2000,
 409 };
 410
 411 static phys_addr_t mx3_camera_base __initdata;
 412 #define MX3_CAMERA_BUF_SIZE SZ_4M
 413
 414 static 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)
 431 err:
 432                 platform_device_put(pdev);
 433
 434         return ret;
 435 }
 436
 437 static struct platform_device *devices[] __initdata = {
 438         &pcm037_flash,
 439         &pcm037_sram_device,
 440         &pcm037_mt9t031,
 441         &pcm037_mt9v022,
 442 };
 443
 444 static 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
 497 static struct mx3fb_platform_data mx3fb_pdata = {
 498         .name           = "Sharp-LQ035Q7DH06-QVGA",
 499         .mode           = fb_modedb,
 500         .num_modes      = ARRAY_SIZE(fb_modedb),
 501 };
 502
 503 static 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
 514 struct 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
 520 static 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
 529 static int pcm037_otg_init(struct platform_device *pdev)
 530 {
 531         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 532 }
 533
 534 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 535         .init   = pcm037_otg_init,
 536         .portsc = MXC_EHCI_MODE_ULPI,
 537 };
 538
 539 static int pcm037_usbh2_init(struct platform_device *pdev)
 540 {
 541         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 542 }
 543
 544 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 545         .init   = pcm037_usbh2_init,
 546         .portsc = MXC_EHCI_MODE_ULPI,
 547 };
 548
 549 static 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
 554 static bool otg_mode_host __initdata;
 555
 556 static 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
 569 static struct regulator_consumer_supply dummy_supplies[] = {
 570         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
 571         REGULATOR_SUPPLY("vddvario", "smsc911x"),
 572 };
 573
 574 /*
 575  * Board specific initialization.
 576  */
 577 static 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
 683 static void __init pcm037_timer_init(void)
 684 {
 685         mx31_clocks_init(26000000);
 686 }
 687
 688 static struct sys_timer pcm037_timer = {
 689         .init   = pcm037_timer_init,
 690 };
 691
 692 static void __init pcm037_reserve(void)
 693 {
 694         /* reserve 4 MiB for mx3-camera */
 695         mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
 696                         MX3_CAMERA_BUF_SIZE);
 697 }
 698
 699 static void __init pcm037_init_late(void)
 700 {
 701         pcm037_eet_init_devices();
 702 }
 703
 704 MACHINE_START(PCM037, "Phytec Phycore pcm037")
 705         /* Maintainer: Pengutronix */
 706         .atag_offset = 0x100,
 707         .reserve = pcm037_reserve,
 708         .map_io = mx31_map_io,
 709         .init_early = imx31_init_early,
 710         .init_irq = mx31_init_irq,
 711         .handle_irq = imx31_handle_irq,
 712         .timer = &pcm037_timer,
 713         .init_machine = pcm037_init,
 714         .init_late = pcm037_init_late,
 715         .restart        = mxc_restart,
 716 MACHINE_END