arch/arm/mach-mx3/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  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 #include <linux/types.h>
  20 #include <linux/init.h>
  21 #include <linux/dma-mapping.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/mtd/physmap.h>
  24 #include <linux/mtd/plat-ram.h>
  25 #include <linux/memory.h>
  26 #include <linux/gpio.h>
  27 #include <linux/smsc911x.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/i2c.h>
  30 #include <linux/i2c/at24.h>
  31 #include <linux/delay.h>
  32 #include <linux/spi/spi.h>
  33 #include <linux/irq.h>
  34 #include <linux/fsl_devices.h>
  35 #include <linux/can/platform/sja1000.h>
  36 #include <linux/usb/otg.h>
  37 #include <linux/usb/ulpi.h>
  38 #include <linux/fsl_devices.h>
  39 #include <linux/gfp.h>
  40
  41 #include <media/soc_camera.h>
  42
  43 #include <asm/mach-types.h>
  44 #include <asm/mach/arch.h>
  45 #include <asm/mach/time.h>
  46 #include <asm/mach/map.h>
  47 #include <mach/board-pcm037.h>
  48 #include <mach/common.h>
  49 #include <mach/hardware.h>
  50 #include <mach/i2c.h>
  51 #include <mach/imx-uart.h>
  52 #include <mach/iomux-mx3.h>
  53 #include <mach/ipu.h>
  54 #include <mach/mmc.h>
  55 #include <mach/mx3_camera.h>
  56 #include <mach/mx3fb.h>
  57 #include <mach/mxc_nand.h>
  58 #include <mach/mxc_ehci.h>
  59 #include <mach/ulpi.h>
  60
  61 #include "devices.h"
  62 #include "pcm037.h"
  63
  64 static enum pcm037_board_variant pcm037_instance = PCM037_PCM970;
  65
  66 static int __init pcm037_variant_setup(char *str)
  67 {
  68         if (!strcmp("eet", str))
  69                 pcm037_instance = PCM037_EET;
  70         else if (strcmp("pcm970", str))
  71                 pr_warning("Unknown pcm037 baseboard variant %s\n", str);
  72
  73         return 1;
  74 }
  75
  76 /* Supported values: "pcm970" (default) and "eet" */
  77 __setup("pcm037_variant=", pcm037_variant_setup);
  78
  79 enum pcm037_board_variant pcm037_variant(void)
  80 {
  81         return pcm037_instance;
  82 }
  83
  84 /* UART1 with RTS/CTS handshake signals */
  85 static unsigned int pcm037_uart1_handshake_pins[] = {
  86         MX31_PIN_CTS1__CTS1,
  87         MX31_PIN_RTS1__RTS1,
  88         MX31_PIN_TXD1__TXD1,
  89         MX31_PIN_RXD1__RXD1,
  90 };
  91
  92 /* UART1 without RTS/CTS handshake signals */
  93 static unsigned int pcm037_uart1_pins[] = {
  94         MX31_PIN_TXD1__TXD1,
  95         MX31_PIN_RXD1__RXD1,
  96 };
  97
  98 static unsigned int pcm037_pins[] = {
  99         /* I2C */
 100         MX31_PIN_CSPI2_MOSI__SCL,
 101         MX31_PIN_CSPI2_MISO__SDA,
 102         MX31_PIN_CSPI2_SS2__I2C3_SDA,
 103         MX31_PIN_CSPI2_SCLK__I2C3_SCL,
 104         /* SDHC1 */
 105         MX31_PIN_SD1_DATA3__SD1_DATA3,
 106         MX31_PIN_SD1_DATA2__SD1_DATA2,
 107         MX31_PIN_SD1_DATA1__SD1_DATA1,
 108         MX31_PIN_SD1_DATA0__SD1_DATA0,
 109         MX31_PIN_SD1_CLK__SD1_CLK,
 110         MX31_PIN_SD1_CMD__SD1_CMD,
 111         IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
 112         IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
 113         /* SPI1 */
 114         MX31_PIN_CSPI1_MOSI__MOSI,
 115         MX31_PIN_CSPI1_MISO__MISO,
 116         MX31_PIN_CSPI1_SCLK__SCLK,
 117         MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
 118         MX31_PIN_CSPI1_SS0__SS0,
 119         MX31_PIN_CSPI1_SS1__SS1,
 120         MX31_PIN_CSPI1_SS2__SS2,
 121         /* UART2 */
 122         MX31_PIN_TXD2__TXD2,
 123         MX31_PIN_RXD2__RXD2,
 124         MX31_PIN_CTS2__CTS2,
 125         MX31_PIN_RTS2__RTS2,
 126         /* UART3 */
 127         MX31_PIN_CSPI3_MOSI__RXD3,
 128         MX31_PIN_CSPI3_MISO__TXD3,
 129         MX31_PIN_CSPI3_SCLK__RTS3,
 130         MX31_PIN_CSPI3_SPI_RDY__CTS3,
 131         /* LAN9217 irq pin */
 132         IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
 133         /* Onewire */
 134         MX31_PIN_BATT_LINE__OWIRE,
 135         /* Framebuffer */
 136         MX31_PIN_LD0__LD0,
 137         MX31_PIN_LD1__LD1,
 138         MX31_PIN_LD2__LD2,
 139         MX31_PIN_LD3__LD3,
 140         MX31_PIN_LD4__LD4,
 141         MX31_PIN_LD5__LD5,
 142         MX31_PIN_LD6__LD6,
 143         MX31_PIN_LD7__LD7,
 144         MX31_PIN_LD8__LD8,
 145         MX31_PIN_LD9__LD9,
 146         MX31_PIN_LD10__LD10,
 147         MX31_PIN_LD11__LD11,
 148         MX31_PIN_LD12__LD12,
 149         MX31_PIN_LD13__LD13,
 150         MX31_PIN_LD14__LD14,
 151         MX31_PIN_LD15__LD15,
 152         MX31_PIN_LD16__LD16,
 153         MX31_PIN_LD17__LD17,
 154         MX31_PIN_VSYNC3__VSYNC3,
 155         MX31_PIN_HSYNC__HSYNC,
 156         MX31_PIN_FPSHIFT__FPSHIFT,
 157         MX31_PIN_DRDY0__DRDY0,
 158         MX31_PIN_D3_REV__D3_REV,
 159         MX31_PIN_CONTRAST__CONTRAST,
 160         MX31_PIN_D3_SPL__D3_SPL,
 161         MX31_PIN_D3_CLS__D3_CLS,
 162         MX31_PIN_LCS0__GPI03_23,
 163         /* CSI */
 164         IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
 165         MX31_PIN_CSI_D6__CSI_D6,
 166         MX31_PIN_CSI_D7__CSI_D7,
 167         MX31_PIN_CSI_D8__CSI_D8,
 168         MX31_PIN_CSI_D9__CSI_D9,
 169         MX31_PIN_CSI_D10__CSI_D10,
 170         MX31_PIN_CSI_D11__CSI_D11,
 171         MX31_PIN_CSI_D12__CSI_D12,
 172         MX31_PIN_CSI_D13__CSI_D13,
 173         MX31_PIN_CSI_D14__CSI_D14,
 174         MX31_PIN_CSI_D15__CSI_D15,
 175         MX31_PIN_CSI_HSYNC__CSI_HSYNC,
 176         MX31_PIN_CSI_MCLK__CSI_MCLK,
 177         MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
 178         MX31_PIN_CSI_VSYNC__CSI_VSYNC,
 179         /* GPIO */
 180         IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
 181         /* OTG */
 182         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
 183         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
 184         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
 185         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
 186         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
 187         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
 188         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
 189         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
 190         MX31_PIN_USBOTG_CLK__USBOTG_CLK,
 191         MX31_PIN_USBOTG_DIR__USBOTG_DIR,
 192         MX31_PIN_USBOTG_NXT__USBOTG_NXT,
 193         MX31_PIN_USBOTG_STP__USBOTG_STP,
 194         /* USB host 2 */
 195         IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
 196         IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
 197         IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
 198         IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
 199         IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
 200         IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
 201         IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
 202         IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
 203         IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
 204         IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
 205         IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
 206         IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
 207 };
 208
 209 static struct physmap_flash_data pcm037_flash_data = {
 210         .width  = 2,
 211 };
 212
 213 static struct resource pcm037_flash_resource = {
 214         .start  = 0xa0000000,
 215         .end    = 0xa1ffffff,
 216         .flags  = IORESOURCE_MEM,
 217 };
 218
 219 static struct platform_device pcm037_flash = {
 220         .name   = "physmap-flash",
 221         .id     = 0,
 222         .dev    = {
 223                 .platform_data  = &pcm037_flash_data,
 224         },
 225         .resource = &pcm037_flash_resource,
 226         .num_resources = 1,
 227 };
 228
 229 static struct imxuart_platform_data uart_pdata = {
 230         .flags = IMXUART_HAVE_RTSCTS,
 231 };
 232
 233 static struct resource smsc911x_resources[] = {
 234         {
 235                 .start          = MX31_CS1_BASE_ADDR + 0x300,
 236                 .end            = MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
 237                 .flags          = IORESOURCE_MEM,
 238         }, {
 239                 .start          = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 240                 .end            = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 241                 .flags          = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 242         },
 243 };
 244
 245 static struct smsc911x_platform_config smsc911x_info = {
 246         .flags          = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
 247                           SMSC911X_SAVE_MAC_ADDRESS,
 248         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 249         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 250         .phy_interface  = PHY_INTERFACE_MODE_MII,
 251 };
 252
 253 static struct platform_device pcm037_eth = {
 254         .name           = "smsc911x",
 255         .id             = -1,
 256         .num_resources  = ARRAY_SIZE(smsc911x_resources),
 257         .resource       = smsc911x_resources,
 258         .dev            = {
 259                 .platform_data = &smsc911x_info,
 260         },
 261 };
 262
 263 static struct platdata_mtd_ram pcm038_sram_data = {
 264         .bankwidth = 2,
 265 };
 266
 267 static struct resource pcm038_sram_resource = {
 268         .start = MX31_CS4_BASE_ADDR,
 269         .end   = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
 270         .flags = IORESOURCE_MEM,
 271 };
 272
 273 static struct platform_device pcm037_sram_device = {
 274         .name = "mtd-ram",
 275         .id = 0,
 276         .dev = {
 277                 .platform_data = &pcm038_sram_data,
 278         },
 279         .num_resources = 1,
 280         .resource = &pcm038_sram_resource,
 281 };
 282
 283 static struct mxc_nand_platform_data pcm037_nand_board_info = {
 284         .width = 1,
 285         .hw_ecc = 1,
 286 };
 287
 288 static struct imxi2c_platform_data pcm037_i2c_1_data = {
 289         .bitrate = 100000,
 290 };
 291
 292 static struct imxi2c_platform_data pcm037_i2c_2_data = {
 293         .bitrate = 20000,
 294 };
 295
 296 static struct at24_platform_data board_eeprom = {
 297         .byte_len = 4096,
 298         .page_size = 32,
 299         .flags = AT24_FLAG_ADDR16,
 300 };
 301
 302 static int pcm037_camera_power(struct device *dev, int on)
 303 {
 304         /* disable or enable the camera in X7 or X8 PCM970 connector */
 305         gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
 306         return 0;
 307 }
 308
 309 static struct i2c_board_info pcm037_i2c_camera[] = {
 310         {
 311                 I2C_BOARD_INFO("mt9t031", 0x5d),
 312         }, {
 313                 I2C_BOARD_INFO("mt9v022", 0x48),
 314         },
 315 };
 316
 317 static struct soc_camera_link iclink_mt9v022 = {
 318         .bus_id         = 0,            /* Must match with the camera ID */
 319         .board_info     = &pcm037_i2c_camera[1],
 320         .i2c_adapter_id = 2,
 321         .module_name    = "mt9v022",
 322 };
 323
 324 static struct soc_camera_link iclink_mt9t031 = {
 325         .bus_id         = 0,            /* Must match with the camera ID */
 326         .power          = pcm037_camera_power,
 327         .board_info     = &pcm037_i2c_camera[0],
 328         .i2c_adapter_id = 2,
 329         .module_name    = "mt9t031",
 330 };
 331
 332 static struct i2c_board_info pcm037_i2c_devices[] = {
 333         {
 334                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
 335                 .platform_data = &board_eeprom,
 336         }, {
 337                 I2C_BOARD_INFO("pcf8563", 0x51),
 338         }
 339 };
 340
 341 static struct platform_device pcm037_mt9t031 = {
 342         .name   = "soc-camera-pdrv",
 343         .id     = 0,
 344         .dev    = {
 345                 .platform_data = &iclink_mt9t031,
 346         },
 347 };
 348
 349 static struct platform_device pcm037_mt9v022 = {
 350         .name   = "soc-camera-pdrv",
 351         .id     = 1,
 352         .dev    = {
 353                 .platform_data = &iclink_mt9v022,
 354         },
 355 };
 356
 357 /* Not connected by default */
 358 #ifdef PCM970_SDHC_RW_SWITCH
 359 static int pcm970_sdhc1_get_ro(struct device *dev)
 360 {
 361         return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
 362 }
 363 #endif
 364
 365 #define SDHC1_GPIO_WP   IOMUX_TO_GPIO(MX31_PIN_SFS6)
 366 #define SDHC1_GPIO_DET  IOMUX_TO_GPIO(MX31_PIN_SCK6)
 367
 368 static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 369                 void *data)
 370 {
 371         int ret;
 372
 373         ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
 374         if (ret)
 375                 return ret;
 376
 377         gpio_direction_input(SDHC1_GPIO_DET);
 378
 379 #ifdef PCM970_SDHC_RW_SWITCH
 380         ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
 381         if (ret)
 382                 goto err_gpio_free;
 383         gpio_direction_input(SDHC1_GPIO_WP);
 384 #endif
 385
 386         ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
 387                         IRQF_DISABLED | IRQF_TRIGGER_FALLING,
 388                                 "sdhc-detect", data);
 389         if (ret)
 390                 goto err_gpio_free_2;
 391
 392         return 0;
 393
 394 err_gpio_free_2:
 395 #ifdef PCM970_SDHC_RW_SWITCH
 396         gpio_free(SDHC1_GPIO_WP);
 397 err_gpio_free:
 398 #endif
 399         gpio_free(SDHC1_GPIO_DET);
 400
 401         return ret;
 402 }
 403
 404 static void pcm970_sdhc1_exit(struct device *dev, void *data)
 405 {
 406         free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
 407         gpio_free(SDHC1_GPIO_DET);
 408         gpio_free(SDHC1_GPIO_WP);
 409 }
 410
 411 static struct imxmmc_platform_data sdhc_pdata = {
 412 #ifdef PCM970_SDHC_RW_SWITCH
 413         .get_ro = pcm970_sdhc1_get_ro,
 414 #endif
 415         .init = pcm970_sdhc1_init,
 416         .exit = pcm970_sdhc1_exit,
 417 };
 418
 419 struct mx3_camera_pdata camera_pdata = {
 420         .dma_dev        = &mx3_ipu.dev,
 421         .flags          = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
 422         .mclk_10khz     = 2000,
 423 };
 424
 425 static int __init pcm037_camera_alloc_dma(const size_t buf_size)
 426 {
 427         dma_addr_t dma_handle;
 428         void *buf;
 429         int dma;
 430
 431         if (buf_size < 2 * 1024 * 1024)
 432                 return -EINVAL;
 433
 434         buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL);
 435         if (!buf) {
 436                 pr_err("%s: cannot allocate camera buffer-memory\n", __func__);
 437                 return -ENOMEM;
 438         }
 439
 440         memset(buf, 0, buf_size);
 441
 442         dma = dma_declare_coherent_memory(&mx3_camera.dev,
 443                                         dma_handle, dma_handle, buf_size,
 444                                         DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 445
 446         /* The way we call dma_declare_coherent_memory only a malloc can fail */
 447         return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM;
 448 }
 449
 450 static struct platform_device *devices[] __initdata = {
 451         &pcm037_flash,
 452         &pcm037_sram_device,
 453         &pcm037_mt9t031,
 454         &pcm037_mt9v022,
 455 };
 456
 457 static struct ipu_platform_data mx3_ipu_data = {
 458         .irq_base = MXC_IPU_IRQ_START,
 459 };
 460
 461 static const struct fb_videomode fb_modedb[] = {
 462         {
 463                 /* 240x320 @ 60 Hz Sharp */
 464                 .name           = "Sharp-LQ035Q7DH06-QVGA",
 465                 .refresh        = 60,
 466                 .xres           = 240,
 467                 .yres           = 320,
 468                 .pixclock       = 185925,
 469                 .left_margin    = 9,
 470                 .right_margin   = 16,
 471                 .upper_margin   = 7,
 472                 .lower_margin   = 9,
 473                 .hsync_len      = 1,
 474                 .vsync_len      = 1,
 475                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
 476                                   FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
 477                 .vmode          = FB_VMODE_NONINTERLACED,
 478                 .flag           = 0,
 479         }, {
 480                 /* 240x320 @ 60 Hz */
 481                 .name           = "TX090",
 482                 .refresh        = 60,
 483                 .xres           = 240,
 484                 .yres           = 320,
 485                 .pixclock       = 38255,
 486                 .left_margin    = 144,
 487                 .right_margin   = 0,
 488                 .upper_margin   = 7,
 489                 .lower_margin   = 40,
 490                 .hsync_len      = 96,
 491                 .vsync_len      = 1,
 492                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
 493                 .vmode          = FB_VMODE_NONINTERLACED,
 494                 .flag           = 0,
 495         }, {
 496                 /* 240x320 @ 60 Hz */
 497                 .name           = "CMEL-OLED",
 498                 .refresh        = 60,
 499                 .xres           = 240,
 500                 .yres           = 320,
 501                 .pixclock       = 185925,
 502                 .left_margin    = 9,
 503                 .right_margin   = 16,
 504                 .upper_margin   = 7,
 505                 .lower_margin   = 9,
 506                 .hsync_len      = 1,
 507                 .vsync_len      = 1,
 508                 .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
 509                 .vmode          = FB_VMODE_NONINTERLACED,
 510                 .flag           = 0,
 511         },
 512 };
 513
 514 static struct mx3fb_platform_data mx3fb_pdata = {
 515         .dma_dev        = &mx3_ipu.dev,
 516         .name           = "Sharp-LQ035Q7DH06-QVGA",
 517         .mode           = fb_modedb,
 518         .num_modes      = ARRAY_SIZE(fb_modedb),
 519 };
 520
 521 static struct resource pcm970_sja1000_resources[] = {
 522         {
 523                 .start   = MX31_CS5_BASE_ADDR,
 524                 .end     = MX31_CS5_BASE_ADDR + 0x100 - 1,
 525                 .flags   = IORESOURCE_MEM,
 526         }, {
 527                 .start   = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
 528                 .end     = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
 529                 .flags   = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 530         },
 531 };
 532
 533 struct sja1000_platform_data pcm970_sja1000_platform_data = {
 534         .clock          = 16000000 / 2,
 535         .ocr            = 0x40 | 0x18,
 536         .cdr            = 0x40,
 537 };
 538
 539 static struct platform_device pcm970_sja1000 = {
 540         .name = "sja1000_platform",
 541         .dev = {
 542                 .platform_data = &pcm970_sja1000_platform_data,
 543         },
 544         .resource = pcm970_sja1000_resources,
 545         .num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
 546 };
 547
 548 static struct mxc_usbh_platform_data otg_pdata = {
 549         .portsc = MXC_EHCI_MODE_ULPI,
 550         .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
 551 };
 552
 553 static struct mxc_usbh_platform_data usbh2_pdata = {
 554         .portsc = MXC_EHCI_MODE_ULPI,
 555         .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
 556 };
 557
 558 static struct fsl_usb2_platform_data otg_device_pdata = {
 559         .operating_mode = FSL_USB2_DR_DEVICE,
 560         .phy_mode       = FSL_USB2_PHY_ULPI,
 561 };
 562
 563 static int otg_mode_host;
 564
 565 static int __init pcm037_otg_mode(char *options)
 566 {
 567         if (!strcmp(options, "host"))
 568                 otg_mode_host = 1;
 569         else if (!strcmp(options, "device"))
 570                 otg_mode_host = 0;
 571         else
 572                 pr_info("otg_mode neither \"host\" nor \"device\". "
 573                         "Defaulting to device\n");
 574         return 0;
 575 }
 576 __setup("otg_mode=", pcm037_otg_mode);
 577
 578 /*
 579  * Board specific initialization.
 580  */
 581 static void __init mxc_board_init(void)
 582 {
 583         int ret;
 584         u32 tmp;
 585
 586         mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
 587
 588         mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
 589                         "pcm037");
 590
 591 #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
 592                 | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 593
 594         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
 595         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
 596         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
 597         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
 598         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
 599         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
 600         mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG);  /* USBH2_DATA2 */
 601         mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG);  /* USBH2_DATA3 */
 602         mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG);   /* USBH2_DATA4 */
 603         mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG);   /* USBH2_DATA5 */
 604         mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG);  /* USBH2_DATA6 */
 605         mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG);  /* USBH2_DATA7 */
 606
 607         if (pcm037_variant() == PCM037_EET)
 608                 mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
 609                         ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
 610         else
 611                 mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins,
 612                         ARRAY_SIZE(pcm037_uart1_handshake_pins),
 613                         "pcm037_uart1");
 614
 615         platform_add_devices(devices, ARRAY_SIZE(devices));
 616
 617         mxc_register_device(&mxc_uart_device0, &uart_pdata);
 618         mxc_register_device(&mxc_uart_device1, &uart_pdata);
 619         mxc_register_device(&mxc_uart_device2, &uart_pdata);
 620
 621         mxc_register_device(&mxc_w1_master_device, NULL);
 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                 platform_device_register(&pcm037_eth);
 630         }
 631
 632
 633         /* I2C adapters and devices */
 634         i2c_register_board_info(1, pcm037_i2c_devices,
 635                         ARRAY_SIZE(pcm037_i2c_devices));
 636
 637         mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
 638         mxc_register_device(&mxc_i2c_device2, &pcm037_i2c_2_data);
 639
 640         mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
 641         mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
 642         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 643         mxc_register_device(&mx3_fb, &mx3fb_pdata);
 644
 645         /* CSI */
 646         /* Camera power: default - off */
 647         ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
 648         if (!ret)
 649                 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
 650         else
 651                 iclink_mt9t031.power = NULL;
 652
 653         if (!pcm037_camera_alloc_dma(4 * 1024 * 1024))
 654                 mxc_register_device(&mx3_camera, &camera_pdata);
 655
 656         platform_device_register(&pcm970_sja1000);
 657
 658 #if defined(CONFIG_USB_ULPI)
 659         if (otg_mode_host) {
 660                 otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
 661                                 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
 662
 663                 mxc_register_device(&mxc_otg_host, &otg_pdata);
 664         }
 665
 666         usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
 667                                 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
 668
 669         mxc_register_device(&mxc_usbh2, &usbh2_pdata);
 670 #endif
 671         if (!otg_mode_host)
 672                 mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
 673
 674 }
 675
 676 static void __init pcm037_timer_init(void)
 677 {
 678         mx31_clocks_init(26000000);
 679 }
 680
 681 struct sys_timer pcm037_timer = {
 682         .init   = pcm037_timer_init,
 683 };
 684
 685 MACHINE_START(PCM037, "Phytec Phycore pcm037")
 686         /* Maintainer: Pengutronix */
 687         .phys_io        = MX31_AIPS1_BASE_ADDR,
 688         .io_pg_offst    = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
 689         .boot_params    = MX3x_PHYS_OFFSET + 0x100,
 690         .map_io         = mx31_map_io,
 691         .init_irq       = mx31_init_irq,
 692         .init_machine   = mxc_board_init,
 693         .timer          = &pcm037_timer,
 694 MACHINE_END