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
  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
  35 #include <media/soc_camera.h>
  36
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/time.h>
  40 #include <asm/mach/map.h>
  41 #include <mach/common.h>
  42 #include <mach/hardware.h>
  43 #include <mach/iomux-mx3.h>
  44 #include <mach/ipu.h>
  45 #include <mach/mx3_camera.h>
  46 #include <mach/mx3fb.h>
  47 #include <mach/ulpi.h>
  48
  49 #include "devices-imx31.h"
  50 #include "devices.h"
  51 #include "pcm037.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                 .start          = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 229                 .end            = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 230                 .flags          = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 231         },
 232 };
 233
 234 static struct smsc911x_platform_config smsc911x_info = {
 235         .flags          = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
 236                           SMSC911X_SAVE_MAC_ADDRESS,
 237         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 238         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 239         .phy_interface  = PHY_INTERFACE_MODE_MII,
 240 };
 241
 242 static struct platform_device pcm037_eth = {
 243         .name           = "smsc911x",
 244         .id             = -1,
 245         .num_resources  = ARRAY_SIZE(smsc911x_resources),
 246         .resource       = smsc911x_resources,
 247         .dev            = {
 248                 .platform_data = &smsc911x_info,
 249         },
 250 };
 251
 252 static struct platdata_mtd_ram pcm038_sram_data = {
 253         .bankwidth = 2,
 254 };
 255
 256 static struct resource pcm038_sram_resource = {
 257         .start = MX31_CS4_BASE_ADDR,
 258         .end   = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
 259         .flags = IORESOURCE_MEM,
 260 };
 261
 262 static struct platform_device pcm037_sram_device = {
 263         .name = "mtd-ram",
 264         .id = 0,
 265         .dev = {
 266                 .platform_data = &pcm038_sram_data,
 267         },
 268         .num_resources = 1,
 269         .resource = &pcm038_sram_resource,
 270 };
 271
 272 static const struct mxc_nand_platform_data
 273 pcm037_nand_board_info __initconst = {
 274         .width = 1,
 275         .hw_ecc = 1,
 276 };
 277
 278 static const struct imxi2c_platform_data pcm037_i2c1_data __initconst = {
 279         .bitrate = 100000,
 280 };
 281
 282 static const struct imxi2c_platform_data pcm037_i2c2_data __initconst = {
 283         .bitrate = 20000,
 284 };
 285
 286 static struct at24_platform_data board_eeprom = {
 287         .byte_len = 4096,
 288         .page_size = 32,
 289         .flags = AT24_FLAG_ADDR16,
 290 };
 291
 292 static int pcm037_camera_power(struct device *dev, int on)
 293 {
 294         /* disable or enable the camera in X7 or X8 PCM970 connector */
 295         gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
 296         return 0;
 297 }
 298
 299 static struct i2c_board_info pcm037_i2c_camera[] = {
 300         {
 301                 I2C_BOARD_INFO("mt9t031", 0x5d),
 302         }, {
 303                 I2C_BOARD_INFO("mt9v022", 0x48),
 304         },
 305 };
 306
 307 static struct soc_camera_link iclink_mt9v022 = {
 308         .bus_id         = 0,            /* Must match with the camera ID */
 309         .board_info     = &pcm037_i2c_camera[1],
 310         .i2c_adapter_id = 2,
 311 };
 312
 313 static struct soc_camera_link iclink_mt9t031 = {
 314         .bus_id         = 0,            /* Must match with the camera ID */
 315         .power          = pcm037_camera_power,
 316         .board_info     = &pcm037_i2c_camera[0],
 317         .i2c_adapter_id = 2,
 318 };
 319
 320 static struct i2c_board_info pcm037_i2c_devices[] = {
 321         {
 322                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
 323                 .platform_data = &board_eeprom,
 324         }, {
 325                 I2C_BOARD_INFO("pcf8563", 0x51),
 326         }
 327 };
 328
 329 static struct platform_device pcm037_mt9t031 = {
 330         .name   = "soc-camera-pdrv",
 331         .id     = 0,
 332         .dev    = {
 333                 .platform_data = &iclink_mt9t031,
 334         },
 335 };
 336
 337 static struct platform_device pcm037_mt9v022 = {
 338         .name   = "soc-camera-pdrv",
 339         .id     = 1,
 340         .dev    = {
 341                 .platform_data = &iclink_mt9v022,
 342         },
 343 };
 344
 345 /* Not connected by default */
 346 #ifdef PCM970_SDHC_RW_SWITCH
 347 static int pcm970_sdhc1_get_ro(struct device *dev)
 348 {
 349         return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
 350 }
 351 #endif
 352
 353 #define SDHC1_GPIO_WP   IOMUX_TO_GPIO(MX31_PIN_SFS6)
 354 #define SDHC1_GPIO_DET  IOMUX_TO_GPIO(MX31_PIN_SCK6)
 355
 356 static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 357                 void *data)
 358 {
 359         int ret;
 360
 361         ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
 362         if (ret)
 363                 return ret;
 364
 365         gpio_direction_input(SDHC1_GPIO_DET);
 366
 367 #ifdef PCM970_SDHC_RW_SWITCH
 368         ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
 369         if (ret)
 370                 goto err_gpio_free;
 371         gpio_direction_input(SDHC1_GPIO_WP);
 372 #endif
 373
 374         ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
 375                         IRQF_DISABLED | IRQF_TRIGGER_FALLING,
 376                                 "sdhc-detect", data);
 377         if (ret)
 378                 goto err_gpio_free_2;
 379
 380         return 0;
 381
 382 err_gpio_free_2:
 383 #ifdef PCM970_SDHC_RW_SWITCH
 384         gpio_free(SDHC1_GPIO_WP);
 385 err_gpio_free:
 386 #endif
 387         gpio_free(SDHC1_GPIO_DET);
 388
 389         return ret;
 390 }
 391
 392 static void pcm970_sdhc1_exit(struct device *dev, void *data)
 393 {
 394         free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
 395         gpio_free(SDHC1_GPIO_DET);
 396         gpio_free(SDHC1_GPIO_WP);
 397 }
 398
 399 static const struct imxmmc_platform_data sdhc_pdata __initconst = {
 400 #ifdef PCM970_SDHC_RW_SWITCH
 401         .get_ro = pcm970_sdhc1_get_ro,
 402 #endif
 403         .init = pcm970_sdhc1_init,
 404         .exit = pcm970_sdhc1_exit,
 405 };
 406
 407 struct mx3_camera_pdata camera_pdata = {
 408         .dma_dev        = &mx3_ipu.dev,
 409         .flags          = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
 410         .mclk_10khz     = 2000,
 411 };
 412
 413 static int __init pcm037_camera_alloc_dma(const size_t buf_size)
 414 {
 415         dma_addr_t dma_handle;
 416         void *buf;
 417         int dma;
 418
 419         if (buf_size < 2 * 1024 * 1024)
 420                 return -EINVAL;
 421
 422         buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL);
 423         if (!buf) {
 424                 pr_err("%s: cannot allocate camera buffer-memory\n", __func__);
 425                 return -ENOMEM;
 426         }
 427
 428         memset(buf, 0, buf_size);
 429
 430         dma = dma_declare_coherent_memory(&mx3_camera.dev,
 431                                         dma_handle, dma_handle, buf_size,
 432                                         DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 433
 434         /* The way we call dma_declare_coherent_memory only a malloc can fail */
 435         return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM;
 436 }
 437
 438 static struct platform_device *devices[] __initdata = {
 439         &pcm037_flash,
 440         &pcm037_sram_device,
 441         &pcm037_mt9t031,
 442         &pcm037_mt9v022,
 443 };
 444
 445 static struct ipu_platform_data mx3_ipu_data = {
 446         .irq_base = MXC_IPU_IRQ_START,
 447 };
 448
 449 static const struct fb_videomode fb_modedb[] = {
 450         {
 451                 /* 240x320 @ 60 Hz Sharp */
 452                 .name           = "Sharp-LQ035Q7DH06-QVGA",
 453                 .refresh        = 60,
 454                 .xres           = 240,
 455                 .yres           = 320,
 456                 .pixclock       = 185925,
 457                 .left_margin    = 9,
 458                 .right_margin   = 16,
 459                 .upper_margin   = 7,
 460                 .lower_margin   = 9,
 461                 .hsync_len      = 1,
 462                 .vsync_len      = 1,
 463                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
 464                                   FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
 465                 .vmode          = FB_VMODE_NONINTERLACED,
 466                 .flag           = 0,
 467         }, {
 468                 /* 240x320 @ 60 Hz */
 469                 .name           = "TX090",
 470                 .refresh        = 60,
 471                 .xres           = 240,
 472                 .yres           = 320,
 473                 .pixclock       = 38255,
 474                 .left_margin    = 144,
 475                 .right_margin   = 0,
 476                 .upper_margin   = 7,
 477                 .lower_margin   = 40,
 478                 .hsync_len      = 96,
 479                 .vsync_len      = 1,
 480                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
 481                 .vmode          = FB_VMODE_NONINTERLACED,
 482                 .flag           = 0,
 483         }, {
 484                 /* 240x320 @ 60 Hz */
 485                 .name           = "CMEL-OLED",
 486                 .refresh        = 60,
 487                 .xres           = 240,
 488                 .yres           = 320,
 489                 .pixclock       = 185925,
 490                 .left_margin    = 9,
 491                 .right_margin   = 16,
 492                 .upper_margin   = 7,
 493                 .lower_margin   = 9,
 494                 .hsync_len      = 1,
 495                 .vsync_len      = 1,
 496                 .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
 497                 .vmode          = FB_VMODE_NONINTERLACED,
 498                 .flag           = 0,
 499         },
 500 };
 501
 502 static struct mx3fb_platform_data mx3fb_pdata = {
 503         .dma_dev        = &mx3_ipu.dev,
 504         .name           = "Sharp-LQ035Q7DH06-QVGA",
 505         .mode           = fb_modedb,
 506         .num_modes      = ARRAY_SIZE(fb_modedb),
 507 };
 508
 509 static struct resource pcm970_sja1000_resources[] = {
 510         {
 511                 .start   = MX31_CS5_BASE_ADDR,
 512                 .end     = MX31_CS5_BASE_ADDR + 0x100 - 1,
 513                 .flags   = IORESOURCE_MEM,
 514         }, {
 515                 .start   = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
 516                 .end     = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
 517                 .flags   = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 518         },
 519 };
 520
 521 struct sja1000_platform_data pcm970_sja1000_platform_data = {
 522         .osc_freq       = 16000000,
 523         .ocr            = OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL,
 524         .cdr            = CDR_CBP,
 525 };
 526
 527 static struct platform_device pcm970_sja1000 = {
 528         .name = "sja1000_platform",
 529         .dev = {
 530                 .platform_data = &pcm970_sja1000_platform_data,
 531         },
 532         .resource = pcm970_sja1000_resources,
 533         .num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
 534 };
 535
 536 static int pcm037_otg_init(struct platform_device *pdev)
 537 {
 538         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 539 }
 540
 541 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 542         .init   = pcm037_otg_init,
 543         .portsc = MXC_EHCI_MODE_ULPI,
 544 };
 545
 546 static int pcm037_usbh2_init(struct platform_device *pdev)
 547 {
 548         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
 549 }
 550
 551 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 552         .init   = pcm037_usbh2_init,
 553         .portsc = MXC_EHCI_MODE_ULPI,
 554 };
 555
 556 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
 557         .operating_mode = FSL_USB2_DR_DEVICE,
 558         .phy_mode       = FSL_USB2_PHY_ULPI,
 559 };
 560
 561 static int otg_mode_host;
 562
 563 static int __init pcm037_otg_mode(char *options)
 564 {
 565         if (!strcmp(options, "host"))
 566                 otg_mode_host = 1;
 567         else if (!strcmp(options, "device"))
 568                 otg_mode_host = 0;
 569         else
 570                 pr_info("otg_mode neither \"host\" nor \"device\". "
 571                         "Defaulting to device\n");
 572         return 0;
 573 }
 574 __setup("otg_mode=", pcm037_otg_mode);
 575
 576 /*
 577  * Board specific initialization.
 578  */
 579 static void __init pcm037_init(void)
 580 {
 581         int ret;
 582
 583         mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
 584
 585         mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
 586                         "pcm037");
 587
 588 #define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
 589                 | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 590
 591         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
 592         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
 593         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
 594         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
 595         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
 596         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
 597         mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG);  /* USBH2_DATA2 */
 598         mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG);  /* USBH2_DATA3 */
 599         mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG);   /* USBH2_DATA4 */
 600         mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG);   /* USBH2_DATA5 */
 601         mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG);  /* USBH2_DATA6 */
 602         mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG);  /* USBH2_DATA7 */
 603
 604         if (pcm037_variant() == PCM037_EET)
 605                 mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
 606                         ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
 607         else
 608                 mxc_iomux_setup_multiple_pins(pcm037_uart1_handshake_pins,
 609                         ARRAY_SIZE(pcm037_uart1_handshake_pins),
 610                         "pcm037_uart1");
 611
 612         platform_add_devices(devices, ARRAY_SIZE(devices));
 613
 614         imx31_add_imx2_wdt(NULL);
 615         imx31_add_imx_uart0(&uart_pdata);
 616         /* XXX: should't this have .flags = 0 (i.e. no RTSCTS) on PCM037_EET? */
 617         imx31_add_imx_uart1(&uart_pdata);
 618         imx31_add_imx_uart2(&uart_pdata);
 619
 620         imx31_add_mxc_w1(NULL);
 621
 622         /* LAN9217 IRQ pin */
 623         ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
 624         if (ret)
 625                 pr_warning("could not get LAN irq gpio\n");
 626         else {
 627                 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 628                 platform_device_register(&pcm037_eth);
 629         }
 630
 631
 632         /* I2C adapters and devices */
 633         i2c_register_board_info(1, pcm037_i2c_devices,
 634                         ARRAY_SIZE(pcm037_i2c_devices));
 635
 636         imx31_add_imx_i2c1(&pcm037_i2c1_data);
 637         imx31_add_imx_i2c2(&pcm037_i2c2_data);
 638
 639         imx31_add_mxc_nand(&pcm037_nand_board_info);
 640         imx31_add_mxc_mmc(0, &sdhc_pdata);
 641         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 642         mxc_register_device(&mx3_fb, &mx3fb_pdata);
 643
 644         /* CSI */
 645         /* Camera power: default - off */
 646         ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
 647         if (!ret)
 648                 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
 649         else
 650                 iclink_mt9t031.power = NULL;
 651
 652         if (!pcm037_camera_alloc_dma(4 * 1024 * 1024))
 653                 mxc_register_device(&mx3_camera, &camera_pdata);
 654
 655         platform_device_register(&pcm970_sja1000);
 656
 657         if (otg_mode_host) {
 658                 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 659                                 ULPI_OTG_DRVVBUS_EXT);
 660                 if (otg_pdata.otg)
 661                         imx31_add_mxc_ehci_otg(&otg_pdata);
 662         }
 663
 664         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 665                         ULPI_OTG_DRVVBUS_EXT);
 666         if (usbh2_pdata.otg)
 667                 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 668
 669         if (!otg_mode_host)
 670                 imx31_add_fsl_usb2_udc(&otg_device_pdata);
 671
 672 }
 673
 674 static void __init pcm037_timer_init(void)
 675 {
 676         mx31_clocks_init(26000000);
 677 }
 678
 679 struct sys_timer pcm037_timer = {
 680         .init   = pcm037_timer_init,
 681 };
 682
 683 MACHINE_START(PCM037, "Phytec Phycore pcm037")
 684         /* Maintainer: Pengutronix */
 685         .boot_params = MX3x_PHYS_OFFSET + 0x100,
 686         .map_io = mx31_map_io,
 687         .init_early = imx31_init_early,
 688         .init_irq = mx31_init_irq,
 689         .timer = &pcm037_timer,
 690         .init_machine = pcm037_init,
 691 MACHINE_END