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
  39 #include <media/soc_camera.h>
  40
  41 #include <asm/mach-types.h>
  42 #include <asm/mach/arch.h>
  43 #include <asm/mach/time.h>
  44 #include <asm/mach/map.h>
  45 #include <mach/board-pcm037.h>
  46 #include <mach/common.h>
  47 #include <mach/hardware.h>
  48 #include <mach/i2c.h>
  49 #include <mach/imx-uart.h>
  50 #include <mach/iomux-mx3.h>
  51 #include <mach/ipu.h>
  52 #include <mach/mmc.h>
  53 #include <mach/mx3_camera.h>
  54 #include <mach/mx3fb.h>
  55 #include <mach/mxc_nand.h>
  56 #include <mach/mxc_ehci.h>
  57 #include <mach/ulpi.h>
  58
  59 #include "devices.h"
  60 #include "pcm037.h"
  61
  62 static enum pcm037_board_variant pcm037_instance = PCM037_PCM970;
  63
  64 static int __init pcm037_variant_setup(char *str)
  65 {
  66         if (!strcmp("eet", str))
  67                 pcm037_instance = PCM037_EET;
  68         else if (strcmp("pcm970", str))
  69                 pr_warning("Unknown pcm037 baseboard variant %s\n", str);
  70
  71         return 1;
  72 }
  73
  74 /* Supported values: "pcm970" (default) and "eet" */
  75 __setup("pcm037_variant=", pcm037_variant_setup);
  76
  77 enum pcm037_board_variant pcm037_variant(void)
  78 {
  79         return pcm037_instance;
  80 }
  81
  82 /* UART1 with RTS/CTS handshake signals */
  83 static unsigned int pcm037_uart1_handshake_pins[] = {
  84         MX31_PIN_CTS1__CTS1,
  85         MX31_PIN_RTS1__RTS1,
  86         MX31_PIN_TXD1__TXD1,
  87         MX31_PIN_RXD1__RXD1,
  88 };
  89
  90 /* UART1 without RTS/CTS handshake signals */
  91 static unsigned int pcm037_uart1_pins[] = {
  92         MX31_PIN_TXD1__TXD1,
  93         MX31_PIN_RXD1__RXD1,
  94 };
  95
  96 static unsigned int pcm037_pins[] = {
  97         /* I2C */
  98         MX31_PIN_CSPI2_MOSI__SCL,
  99         MX31_PIN_CSPI2_MISO__SDA,
 100         MX31_PIN_CSPI2_SS2__I2C3_SDA,
 101         MX31_PIN_CSPI2_SCLK__I2C3_SCL,
 102         /* SDHC1 */
 103         MX31_PIN_SD1_DATA3__SD1_DATA3,
 104         MX31_PIN_SD1_DATA2__SD1_DATA2,
 105         MX31_PIN_SD1_DATA1__SD1_DATA1,
 106         MX31_PIN_SD1_DATA0__SD1_DATA0,
 107         MX31_PIN_SD1_CLK__SD1_CLK,
 108         MX31_PIN_SD1_CMD__SD1_CMD,
 109         IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO), /* card detect */
 110         IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), /* write protect */
 111         /* SPI1 */
 112         MX31_PIN_CSPI1_MOSI__MOSI,
 113         MX31_PIN_CSPI1_MISO__MISO,
 114         MX31_PIN_CSPI1_SCLK__SCLK,
 115         MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
 116         MX31_PIN_CSPI1_SS0__SS0,
 117         MX31_PIN_CSPI1_SS1__SS1,
 118         MX31_PIN_CSPI1_SS2__SS2,
 119         /* UART2 */
 120         MX31_PIN_TXD2__TXD2,
 121         MX31_PIN_RXD2__RXD2,
 122         MX31_PIN_CTS2__CTS2,
 123         MX31_PIN_RTS2__RTS2,
 124         /* UART3 */
 125         MX31_PIN_CSPI3_MOSI__RXD3,
 126         MX31_PIN_CSPI3_MISO__TXD3,
 127         MX31_PIN_CSPI3_SCLK__RTS3,
 128         MX31_PIN_CSPI3_SPI_RDY__CTS3,
 129         /* LAN9217 irq pin */
 130         IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
 131         /* Onewire */
 132         MX31_PIN_BATT_LINE__OWIRE,
 133         /* Framebuffer */
 134         MX31_PIN_LD0__LD0,
 135         MX31_PIN_LD1__LD1,
 136         MX31_PIN_LD2__LD2,
 137         MX31_PIN_LD3__LD3,
 138         MX31_PIN_LD4__LD4,
 139         MX31_PIN_LD5__LD5,
 140         MX31_PIN_LD6__LD6,
 141         MX31_PIN_LD7__LD7,
 142         MX31_PIN_LD8__LD8,
 143         MX31_PIN_LD9__LD9,
 144         MX31_PIN_LD10__LD10,
 145         MX31_PIN_LD11__LD11,
 146         MX31_PIN_LD12__LD12,
 147         MX31_PIN_LD13__LD13,
 148         MX31_PIN_LD14__LD14,
 149         MX31_PIN_LD15__LD15,
 150         MX31_PIN_LD16__LD16,
 151         MX31_PIN_LD17__LD17,
 152         MX31_PIN_VSYNC3__VSYNC3,
 153         MX31_PIN_HSYNC__HSYNC,
 154         MX31_PIN_FPSHIFT__FPSHIFT,
 155         MX31_PIN_DRDY0__DRDY0,
 156         MX31_PIN_D3_REV__D3_REV,
 157         MX31_PIN_CONTRAST__CONTRAST,
 158         MX31_PIN_D3_SPL__D3_SPL,
 159         MX31_PIN_D3_CLS__D3_CLS,
 160         MX31_PIN_LCS0__GPI03_23,
 161         /* CSI */
 162         IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
 163         MX31_PIN_CSI_D6__CSI_D6,
 164         MX31_PIN_CSI_D7__CSI_D7,
 165         MX31_PIN_CSI_D8__CSI_D8,
 166         MX31_PIN_CSI_D9__CSI_D9,
 167         MX31_PIN_CSI_D10__CSI_D10,
 168         MX31_PIN_CSI_D11__CSI_D11,
 169         MX31_PIN_CSI_D12__CSI_D12,
 170         MX31_PIN_CSI_D13__CSI_D13,
 171         MX31_PIN_CSI_D14__CSI_D14,
 172         MX31_PIN_CSI_D15__CSI_D15,
 173         MX31_PIN_CSI_HSYNC__CSI_HSYNC,
 174         MX31_PIN_CSI_MCLK__CSI_MCLK,
 175         MX31_PIN_CSI_PIXCLK__CSI_PIXCLK,
 176         MX31_PIN_CSI_VSYNC__CSI_VSYNC,
 177         /* GPIO */
 178         IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
 179         /* OTG */
 180         MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
 181         MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
 182         MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
 183         MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
 184         MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
 185         MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
 186         MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
 187         MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
 188         MX31_PIN_USBOTG_CLK__USBOTG_CLK,
 189         MX31_PIN_USBOTG_DIR__USBOTG_DIR,
 190         MX31_PIN_USBOTG_NXT__USBOTG_NXT,
 191         MX31_PIN_USBOTG_STP__USBOTG_STP,
 192         /* USB host 2 */
 193         IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
 194         IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
 195         IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
 196         IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
 197         IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
 198         IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
 199         IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
 200         IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
 201         IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
 202         IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
 203         IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
 204         IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
 205 };
 206
 207 static struct physmap_flash_data pcm037_flash_data = {
 208         .width  = 2,
 209 };
 210
 211 static struct resource pcm037_flash_resource = {
 212         .start  = 0xa0000000,
 213         .end    = 0xa1ffffff,
 214         .flags  = IORESOURCE_MEM,
 215 };
 216
 217 static struct platform_device pcm037_flash = {
 218         .name   = "physmap-flash",
 219         .id     = 0,
 220         .dev    = {
 221                 .platform_data  = &pcm037_flash_data,
 222         },
 223         .resource = &pcm037_flash_resource,
 224         .num_resources = 1,
 225 };
 226
 227 static struct imxuart_platform_data uart_pdata = {
 228         .flags = IMXUART_HAVE_RTSCTS,
 229 };
 230
 231 static struct resource smsc911x_resources[] = {
 232         {
 233                 .start          = MX31_CS1_BASE_ADDR + 0x300,
 234                 .end            = MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
 235                 .flags          = IORESOURCE_MEM,
 236         }, {
 237                 .start          = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 238                 .end            = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
 239                 .flags          = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 240         },
 241 };
 242
 243 static struct smsc911x_platform_config smsc911x_info = {
 244         .flags          = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY |
 245                           SMSC911X_SAVE_MAC_ADDRESS,
 246         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 247         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 248         .phy_interface  = PHY_INTERFACE_MODE_MII,
 249 };
 250
 251 static struct platform_device pcm037_eth = {
 252         .name           = "smsc911x",
 253         .id             = -1,
 254         .num_resources  = ARRAY_SIZE(smsc911x_resources),
 255         .resource       = smsc911x_resources,
 256         .dev            = {
 257                 .platform_data = &smsc911x_info,
 258         },
 259 };
 260
 261 static struct platdata_mtd_ram pcm038_sram_data = {
 262         .bankwidth = 2,
 263 };
 264
 265 static struct resource pcm038_sram_resource = {
 266         .start = MX31_CS4_BASE_ADDR,
 267         .end   = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
 268         .flags = IORESOURCE_MEM,
 269 };
 270
 271 static struct platform_device pcm037_sram_device = {
 272         .name = "mtd-ram",
 273         .id = 0,
 274         .dev = {
 275                 .platform_data = &pcm038_sram_data,
 276         },
 277         .num_resources = 1,
 278         .resource = &pcm038_sram_resource,
 279 };
 280
 281 static struct mxc_nand_platform_data pcm037_nand_board_info = {
 282         .width = 1,
 283         .hw_ecc = 1,
 284 };
 285
 286 static struct imxi2c_platform_data pcm037_i2c_1_data = {
 287         .bitrate = 100000,
 288 };
 289
 290 static struct imxi2c_platform_data pcm037_i2c_2_data = {
 291         .bitrate = 20000,
 292 };
 293
 294 static struct at24_platform_data board_eeprom = {
 295         .byte_len = 4096,
 296         .page_size = 32,
 297         .flags = AT24_FLAG_ADDR16,
 298 };
 299
 300 static int pcm037_camera_power(struct device *dev, int on)
 301 {
 302         /* disable or enable the camera in X7 or X8 PCM970 connector */
 303         gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), !on);
 304         return 0;
 305 }
 306
 307 static struct i2c_board_info pcm037_i2c_camera[] = {
 308         {
 309                 I2C_BOARD_INFO("mt9t031", 0x5d),
 310         }, {
 311                 I2C_BOARD_INFO("mt9v022", 0x48),
 312         },
 313 };
 314
 315 static struct soc_camera_link iclink_mt9v022 = {
 316         .bus_id         = 0,            /* Must match with the camera ID */
 317         .board_info     = &pcm037_i2c_camera[1],
 318         .i2c_adapter_id = 2,
 319         .module_name    = "mt9v022",
 320 };
 321
 322 static struct soc_camera_link iclink_mt9t031 = {
 323         .bus_id         = 0,            /* Must match with the camera ID */
 324         .power          = pcm037_camera_power,
 325         .board_info     = &pcm037_i2c_camera[0],
 326         .i2c_adapter_id = 2,
 327         .module_name    = "mt9t031",
 328 };
 329
 330 static struct i2c_board_info pcm037_i2c_devices[] = {
 331         {
 332                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
 333                 .platform_data = &board_eeprom,
 334         }, {
 335                 I2C_BOARD_INFO("pcf8563", 0x51),
 336         }
 337 };
 338
 339 static struct platform_device pcm037_mt9t031 = {
 340         .name   = "soc-camera-pdrv",
 341         .id     = 0,
 342         .dev    = {
 343                 .platform_data = &iclink_mt9t031,
 344         },
 345 };
 346
 347 static struct platform_device pcm037_mt9v022 = {
 348         .name   = "soc-camera-pdrv",
 349         .id     = 1,
 350         .dev    = {
 351                 .platform_data = &iclink_mt9v022,
 352         },
 353 };
 354
 355 /* Not connected by default */
 356 #ifdef PCM970_SDHC_RW_SWITCH
 357 static int pcm970_sdhc1_get_ro(struct device *dev)
 358 {
 359         return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_SFS6));
 360 }
 361 #endif
 362
 363 #define SDHC1_GPIO_WP   IOMUX_TO_GPIO(MX31_PIN_SFS6)
 364 #define SDHC1_GPIO_DET  IOMUX_TO_GPIO(MX31_PIN_SCK6)
 365
 366 static int pcm970_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 367                 void *data)
 368 {
 369         int ret;
 370
 371         ret = gpio_request(SDHC1_GPIO_DET, "sdhc-detect");
 372         if (ret)
 373                 return ret;
 374
 375         gpio_direction_input(SDHC1_GPIO_DET);
 376
 377 #ifdef PCM970_SDHC_RW_SWITCH
 378         ret = gpio_request(SDHC1_GPIO_WP, "sdhc-wp");
 379         if (ret)
 380                 goto err_gpio_free;
 381         gpio_direction_input(SDHC1_GPIO_WP);
 382 #endif
 383
 384         ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), detect_irq,
 385                         IRQF_DISABLED | IRQF_TRIGGER_FALLING,
 386                                 "sdhc-detect", data);
 387         if (ret)
 388                 goto err_gpio_free_2;
 389
 390         return 0;
 391
 392 err_gpio_free_2:
 393 #ifdef PCM970_SDHC_RW_SWITCH
 394         gpio_free(SDHC1_GPIO_WP);
 395 err_gpio_free:
 396 #endif
 397         gpio_free(SDHC1_GPIO_DET);
 398
 399         return ret;
 400 }
 401
 402 static void pcm970_sdhc1_exit(struct device *dev, void *data)
 403 {
 404         free_irq(IOMUX_TO_IRQ(MX31_PIN_SCK6), data);
 405         gpio_free(SDHC1_GPIO_DET);
 406         gpio_free(SDHC1_GPIO_WP);
 407 }
 408
 409 static struct imxmmc_platform_data sdhc_pdata = {
 410 #ifdef PCM970_SDHC_RW_SWITCH
 411         .get_ro = pcm970_sdhc1_get_ro,
 412 #endif
 413         .init = pcm970_sdhc1_init,
 414         .exit = pcm970_sdhc1_exit,
 415 };
 416
 417 struct mx3_camera_pdata camera_pdata = {
 418         .dma_dev        = &mx3_ipu.dev,
 419         .flags          = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
 420         .mclk_10khz     = 2000,
 421 };
 422
 423 static int __init pcm037_camera_alloc_dma(const size_t buf_size)
 424 {
 425         dma_addr_t dma_handle;
 426         void *buf;
 427         int dma;
 428
 429         if (buf_size < 2 * 1024 * 1024)
 430                 return -EINVAL;
 431
 432         buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL);
 433         if (!buf) {
 434                 pr_err("%s: cannot allocate camera buffer-memory\n", __func__);
 435                 return -ENOMEM;
 436         }
 437
 438         memset(buf, 0, buf_size);
 439
 440         dma = dma_declare_coherent_memory(&mx3_camera.dev,
 441                                         dma_handle, dma_handle, buf_size,
 442                                         DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
 443
 444         /* The way we call dma_declare_coherent_memory only a malloc can fail */
 445         return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM;
 446 }
 447
 448 static struct platform_device *devices[] __initdata = {
 449         &pcm037_flash,
 450         &pcm037_sram_device,
 451         &pcm037_mt9t031,
 452         &pcm037_mt9v022,
 453 };
 454
 455 static struct ipu_platform_data mx3_ipu_data = {
 456         .irq_base = MXC_IPU_IRQ_START,
 457 };
 458
 459 static const struct fb_videomode fb_modedb[] = {
 460         {
 461                 /* 240x320 @ 60 Hz Sharp */
 462                 .name           = "Sharp-LQ035Q7DH06-QVGA",
 463                 .refresh        = 60,
 464                 .xres           = 240,
 465                 .yres           = 320,
 466                 .pixclock       = 185925,
 467                 .left_margin    = 9,
 468                 .right_margin   = 16,
 469                 .upper_margin   = 7,
 470                 .lower_margin   = 9,
 471                 .hsync_len      = 1,
 472                 .vsync_len      = 1,
 473                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE |
 474                                   FB_SYNC_CLK_INVERT | FB_SYNC_CLK_IDLE_EN,
 475                 .vmode          = FB_VMODE_NONINTERLACED,
 476                 .flag           = 0,
 477         }, {
 478                 /* 240x320 @ 60 Hz */
 479                 .name           = "TX090",
 480                 .refresh        = 60,
 481                 .xres           = 240,
 482                 .yres           = 320,
 483                 .pixclock       = 38255,
 484                 .left_margin    = 144,
 485                 .right_margin   = 0,
 486                 .upper_margin   = 7,
 487                 .lower_margin   = 40,
 488                 .hsync_len      = 96,
 489                 .vsync_len      = 1,
 490                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH,
 491                 .vmode          = FB_VMODE_NONINTERLACED,
 492                 .flag           = 0,
 493         }, {
 494                 /* 240x320 @ 60 Hz */
 495                 .name           = "CMEL-OLED",
 496                 .refresh        = 60,
 497                 .xres           = 240,
 498                 .yres           = 320,
 499                 .pixclock       = 185925,
 500                 .left_margin    = 9,
 501                 .right_margin   = 16,
 502                 .upper_margin   = 7,
 503                 .lower_margin   = 9,
 504                 .hsync_len      = 1,
 505                 .vsync_len      = 1,
 506                 .sync           = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT,
 507                 .vmode          = FB_VMODE_NONINTERLACED,
 508                 .flag           = 0,
 509         },
 510 };
 511
 512 static struct mx3fb_platform_data mx3fb_pdata = {
 513         .dma_dev        = &mx3_ipu.dev,
 514         .name           = "Sharp-LQ035Q7DH06-QVGA",
 515         .mode           = fb_modedb,
 516         .num_modes      = ARRAY_SIZE(fb_modedb),
 517 };
 518
 519 static struct resource pcm970_sja1000_resources[] = {
 520         {
 521                 .start   = MX31_CS5_BASE_ADDR,
 522                 .end     = MX31_CS5_BASE_ADDR + 0x100 - 1,
 523                 .flags   = IORESOURCE_MEM,
 524         }, {
 525                 .start   = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
 526                 .end     = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
 527                 .flags   = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 528         },
 529 };
 530
 531 struct sja1000_platform_data pcm970_sja1000_platform_data = {
 532         .clock          = 16000000 / 2,
 533         .ocr            = 0x40 | 0x18,
 534         .cdr            = 0x40,
 535 };
 536
 537 static struct platform_device pcm970_sja1000 = {
 538         .name = "sja1000_platform",
 539         .dev = {
 540                 .platform_data = &pcm970_sja1000_platform_data,
 541         },
 542         .resource = pcm970_sja1000_resources,
 543         .num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
 544 };
 545
 546 static struct mxc_usbh_platform_data otg_pdata = {
 547         .portsc = MXC_EHCI_MODE_ULPI,
 548         .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
 549 };
 550
 551 static struct mxc_usbh_platform_data usbh2_pdata = {
 552         .portsc = MXC_EHCI_MODE_ULPI,
 553         .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
 554 };
 555
 556 static struct fsl_usb2_platform_data otg_device_pdata = {
 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 mxc_board_init(void)
 580 {
 581         int ret;
 582         u32 tmp;
 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         mxc_register_device(&mxc_uart_device0, &uart_pdata);
 616         mxc_register_device(&mxc_uart_device1, &uart_pdata);
 617         mxc_register_device(&mxc_uart_device2, &uart_pdata);
 618
 619         mxc_register_device(&mxc_w1_master_device, NULL);
 620
 621         /* LAN9217 IRQ pin */
 622         ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1), "lan9217-irq");
 623         if (ret)
 624                 pr_warning("could not get LAN irq gpio\n");
 625         else {
 626                 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO3_1));
 627                 platform_device_register(&pcm037_eth);
 628         }
 629
 630
 631         /* I2C adapters and devices */
 632         i2c_register_board_info(1, pcm037_i2c_devices,
 633                         ARRAY_SIZE(pcm037_i2c_devices));
 634
 635         mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
 636         mxc_register_device(&mxc_i2c_device2, &pcm037_i2c_2_data);
 637
 638         mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
 639         mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
 640         mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 641         mxc_register_device(&mx3_fb, &mx3fb_pdata);
 642
 643         /* CSI */
 644         /* Camera power: default - off */
 645         ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), "mt9t031-power");
 646         if (!ret)
 647                 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CSI_D5), 1);
 648         else
 649                 iclink_mt9t031.power = NULL;
 650
 651         if (!pcm037_camera_alloc_dma(4 * 1024 * 1024))
 652                 mxc_register_device(&mx3_camera, &camera_pdata);
 653
 654         platform_device_register(&pcm970_sja1000);
 655
 656 #if defined(CONFIG_USB_ULPI)
 657         if (otg_mode_host) {
 658                 otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
 659                                 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
 660
 661                 mxc_register_device(&mxc_otg_host, &otg_pdata);
 662         }
 663
 664         usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
 665                                 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
 666
 667         mxc_register_device(&mxc_usbh2, &usbh2_pdata);
 668 #endif
 669         if (!otg_mode_host)
 670                 mxc_register_device(&mxc_otg_udc_device, &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         .phys_io        = MX31_AIPS1_BASE_ADDR,
 686         .io_pg_offst    = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
 687         .boot_params    = MX3x_PHYS_OFFSET + 0x100,
 688         .map_io         = mx31_map_io,
 689         .init_irq       = mx31_init_irq,
 690         .init_machine   = mxc_board_init,
 691         .timer          = &pcm037_timer,
 692 MACHINE_END