arch/arm/mach-davinci/board-dm646x-evm.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * TI DaVinci DM646X EVM board
   4  *
   5  * Derived from: arch/arm/mach-davinci/board-evm.c
   6  * Copyright (C) 2006 Texas Instruments.
   7  *
   8  * (C) 2007-2008, MontaVista Software, Inc.
   9  */
  10
  11 /**************************************************************************
  12  * Included Files
  13  **************************************************************************/
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/leds.h>
  18 #include <linux/gpio.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/i2c.h>
  21 #include <linux/property.h>
  22 #include <linux/platform_data/pcf857x.h>
  23 #include <linux/platform_data/ti-aemif.h>
  24
  25 #include <media/i2c/tvp514x.h>
  26 #include <media/i2c/adv7343.h>
  27
  28 #include <linux/mtd/mtd.h>
  29 #include <linux/mtd/rawnand.h>
  30 #include <linux/mtd/partitions.h>
  31 #include <linux/nvmem-provider.h>
  32 #include <linux/clk.h>
  33 #include <linux/export.h>
  34 #include <linux/platform_data/gpio-davinci.h>
  35 #include <linux/platform_data/i2c-davinci.h>
  36 #include <linux/platform_data/mtd-davinci.h>
  37 #include <linux/platform_data/mtd-davinci-aemif.h>
  38
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41
  42 #include <mach/common.h>
  43 #include <mach/serial.h>
  44
  45 #include "davinci.h"
  46 #include "irqs.h"
  47
  48 #define NAND_BLOCK_SIZE         SZ_128K
  49
  50 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
  51  * and U-Boot environment this avoids dependency on any particular combination
  52  * of UBL, U-Boot or flashing tools etc.
  53  */
  54 static struct mtd_partition davinci_nand_partitions[] = {
  55         {
  56                 /* UBL, U-Boot with environment */
  57                 .name           = "bootloader",
  58                 .offset         = MTDPART_OFS_APPEND,
  59                 .size           = 16 * NAND_BLOCK_SIZE,
  60                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
  61         }, {
  62                 .name           = "kernel",
  63                 .offset         = MTDPART_OFS_APPEND,
  64                 .size           = SZ_4M,
  65                 .mask_flags     = 0,
  66         }, {
  67                 .name           = "filesystem",
  68                 .offset         = MTDPART_OFS_APPEND,
  69                 .size           = MTDPART_SIZ_FULL,
  70                 .mask_flags     = 0,
  71         }
  72 };
  73
  74 static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
  75         .wsetup         = 29,
  76         .wstrobe        = 24,
  77         .whold          = 14,
  78         .rsetup         = 19,
  79         .rstrobe        = 33,
  80         .rhold          = 0,
  81         .ta             = 29,
  82 };
  83
  84 static struct davinci_nand_pdata davinci_nand_data = {
  85         .core_chipsel           = 0,
  86         .mask_cle               = 0x80000,
  87         .mask_ale               = 0x40000,
  88         .parts                  = davinci_nand_partitions,
  89         .nr_parts               = ARRAY_SIZE(davinci_nand_partitions),
  90         .engine_type            = NAND_ECC_ENGINE_TYPE_ON_HOST,
  91         .ecc_bits               = 1,
  92         .options                = 0,
  93 };
  94
  95 static struct resource davinci_nand_resources[] = {
  96         {
  97                 .start          = DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
  98                 .end            = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
  99                 .flags          = IORESOURCE_MEM,
 100         }, {
 101                 .start          = DM646X_ASYNC_EMIF_CONTROL_BASE,
 102                 .end            = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 103                 .flags          = IORESOURCE_MEM,
 104         },
 105 };
 106
 107 static struct platform_device davinci_aemif_devices[] = {
 108         {
 109                 .name           = "davinci_nand",
 110                 .id             = 0,
 111                 .num_resources  = ARRAY_SIZE(davinci_nand_resources),
 112                 .resource       = davinci_nand_resources,
 113                 .dev            = {
 114                         .platform_data  = &davinci_nand_data,
 115                 },
 116         },
 117 };
 118
 119 static struct resource davinci_aemif_resources[] = {
 120         {
 121                 .start  = DM646X_ASYNC_EMIF_CONTROL_BASE,
 122                 .end    = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 123                 .flags  = IORESOURCE_MEM,
 124         },
 125 };
 126
 127 static struct aemif_abus_data davinci_aemif_abus_data[] = {
 128         {
 129                 .cs     = 1,
 130         },
 131 };
 132
 133 static struct aemif_platform_data davinci_aemif_pdata = {
 134         .abus_data              = davinci_aemif_abus_data,
 135         .num_abus_data          = ARRAY_SIZE(davinci_aemif_abus_data),
 136         .sub_devices            = davinci_aemif_devices,
 137         .num_sub_devices        = ARRAY_SIZE(davinci_aemif_devices),
 138 };
 139
 140 static struct platform_device davinci_aemif_device = {
 141         .name           = "ti-aemif",
 142         .id             = -1,
 143         .dev = {
 144                 .platform_data  = &davinci_aemif_pdata,
 145         },
 146         .resource       = davinci_aemif_resources,
 147         .num_resources  = ARRAY_SIZE(davinci_aemif_resources),
 148 };
 149
 150 #define HAS_ATA         (IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
 151                          IS_ENABLED(CONFIG_PATA_BK3710))
 152
 153 #ifdef CONFIG_I2C
 154 /* CPLD Register 0 bits to control ATA */
 155 #define DM646X_EVM_ATA_RST              BIT(0)
 156 #define DM646X_EVM_ATA_PWD              BIT(1)
 157
 158 /* CPLD Register 0 Client: used for I/O Control */
 159 static int cpld_reg0_probe(struct i2c_client *client)
 160 {
 161         if (HAS_ATA) {
 162                 u8 data;
 163                 struct i2c_msg msg[2] = {
 164                         {
 165                                 .addr = client->addr,
 166                                 .flags = I2C_M_RD,
 167                                 .len = 1,
 168                                 .buf = &data,
 169                         },
 170                         {
 171                                 .addr = client->addr,
 172                                 .flags = 0,
 173                                 .len = 1,
 174                                 .buf = &data,
 175                         },
 176                 };
 177
 178                 /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
 179                 i2c_transfer(client->adapter, msg, 1);
 180                 data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
 181                 i2c_transfer(client->adapter, msg + 1, 1);
 182         }
 183
 184         return 0;
 185 }
 186
 187 static const struct i2c_device_id cpld_reg_ids[] = {
 188         { "cpld_reg0", 0, },
 189         { },
 190 };
 191
 192 static struct i2c_driver dm6467evm_cpld_driver = {
 193         .driver.name    = "cpld_reg0",
 194         .id_table       = cpld_reg_ids,
 195         .probe_new      = cpld_reg0_probe,
 196 };
 197
 198 /* LEDS */
 199
 200 static struct gpio_led evm_leds[] = {
 201         { .name = "DS1", .active_low = 1, },
 202         { .name = "DS2", .active_low = 1, },
 203         { .name = "DS3", .active_low = 1, },
 204         { .name = "DS4", .active_low = 1, },
 205 };
 206
 207 static const struct gpio_led_platform_data evm_led_data = {
 208         .num_leds = ARRAY_SIZE(evm_leds),
 209         .leds     = evm_leds,
 210 };
 211
 212 static struct platform_device *evm_led_dev;
 213
 214 static int evm_led_setup(struct i2c_client *client, int gpio,
 215                         unsigned int ngpio, void *c)
 216 {
 217         struct gpio_led *leds = evm_leds;
 218         int status;
 219
 220         while (ngpio--) {
 221                 leds->gpio = gpio++;
 222                 leds++;
 223         }
 224
 225         evm_led_dev = platform_device_alloc("leds-gpio", 0);
 226         platform_device_add_data(evm_led_dev, &evm_led_data,
 227                                 sizeof(evm_led_data));
 228
 229         evm_led_dev->dev.parent = &client->dev;
 230         status = platform_device_add(evm_led_dev);
 231         if (status < 0) {
 232                 platform_device_put(evm_led_dev);
 233                 evm_led_dev = NULL;
 234         }
 235         return status;
 236 }
 237
 238 static int evm_led_teardown(struct i2c_client *client, int gpio,
 239                                 unsigned ngpio, void *c)
 240 {
 241         if (evm_led_dev) {
 242                 platform_device_unregister(evm_led_dev);
 243                 evm_led_dev = NULL;
 244         }
 245         return 0;
 246 }
 247
 248 static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
 249
 250 static int evm_sw_setup(struct i2c_client *client, int gpio,
 251                         unsigned ngpio, void *c)
 252 {
 253         int status;
 254         int i;
 255         char label[10];
 256
 257         for (i = 0; i < 4; ++i) {
 258                 snprintf(label, 10, "user_sw%d", i);
 259                 status = gpio_request(gpio, label);
 260                 if (status)
 261                         goto out_free;
 262                 evm_sw_gpio[i] = gpio++;
 263
 264                 status = gpio_direction_input(evm_sw_gpio[i]);
 265                 if (status)
 266                         goto out_free;
 267
 268                 status = gpio_export(evm_sw_gpio[i], 0);
 269                 if (status)
 270                         goto out_free;
 271         }
 272         return 0;
 273
 274 out_free:
 275         for (i = 0; i < 4; ++i) {
 276                 if (evm_sw_gpio[i] != -EINVAL) {
 277                         gpio_free(evm_sw_gpio[i]);
 278                         evm_sw_gpio[i] = -EINVAL;
 279                 }
 280         }
 281         return status;
 282 }
 283
 284 static int evm_sw_teardown(struct i2c_client *client, int gpio,
 285                         unsigned ngpio, void *c)
 286 {
 287         int i;
 288
 289         for (i = 0; i < 4; ++i) {
 290                 if (evm_sw_gpio[i] != -EINVAL) {
 291                         gpio_unexport(evm_sw_gpio[i]);
 292                         gpio_free(evm_sw_gpio[i]);
 293                         evm_sw_gpio[i] = -EINVAL;
 294                 }
 295         }
 296         return 0;
 297 }
 298
 299 static int evm_pcf_setup(struct i2c_client *client, int gpio,
 300                         unsigned int ngpio, void *c)
 301 {
 302         int status;
 303
 304         if (ngpio < 8)
 305                 return -EINVAL;
 306
 307         status = evm_sw_setup(client, gpio, 4, c);
 308         if (status)
 309                 return status;
 310
 311         return evm_led_setup(client, gpio+4, 4, c);
 312 }
 313
 314 static int evm_pcf_teardown(struct i2c_client *client, int gpio,
 315                         unsigned int ngpio, void *c)
 316 {
 317         BUG_ON(ngpio < 8);
 318
 319         evm_sw_teardown(client, gpio, 4, c);
 320         evm_led_teardown(client, gpio+4, 4, c);
 321
 322         return 0;
 323 }
 324
 325 static struct pcf857x_platform_data pcf_data = {
 326         .gpio_base      = DAVINCI_N_GPIO+1,
 327         .setup          = evm_pcf_setup,
 328         .teardown       = evm_pcf_teardown,
 329 };
 330
 331 /* Most of this EEPROM is unused, but U-Boot uses some data:
 332  *  - 0x7f00, 6 bytes Ethernet Address
 333  *  - ... newer boards may have more
 334  */
 335
 336 static struct nvmem_cell_info dm646x_evm_nvmem_cells[] = {
 337         {
 338                 .name           = "macaddr",
 339                 .offset         = 0x7f00,
 340                 .bytes          = ETH_ALEN,
 341         }
 342 };
 343
 344 static struct nvmem_cell_table dm646x_evm_nvmem_cell_table = {
 345         .nvmem_name     = "1-00500",
 346         .cells          = dm646x_evm_nvmem_cells,
 347         .ncells         = ARRAY_SIZE(dm646x_evm_nvmem_cells),
 348 };
 349
 350 static struct nvmem_cell_lookup dm646x_evm_nvmem_cell_lookup = {
 351         .nvmem_name     = "1-00500",
 352         .cell_name      = "macaddr",
 353         .dev_id         = "davinci_emac.1",
 354         .con_id         = "mac-address",
 355 };
 356
 357 static const struct property_entry eeprom_properties[] = {
 358         PROPERTY_ENTRY_U32("pagesize", 64),
 359         { }
 360 };
 361
 362 static const struct software_node eeprom_node = {
 363         .properties = eeprom_properties,
 364 };
 365 #endif
 366
 367 static u8 dm646x_iis_serializer_direction[] = {
 368        TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
 369 };
 370
 371 static u8 dm646x_dit_serializer_direction[] = {
 372        TX_MODE,
 373 };
 374
 375 static struct snd_platform_data dm646x_evm_snd_data[] = {
 376         {
 377                 .tx_dma_offset  = 0x400,
 378                 .rx_dma_offset  = 0x400,
 379                 .op_mode        = DAVINCI_MCASP_IIS_MODE,
 380                 .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
 381                 .tdm_slots      = 2,
 382                 .serial_dir     = dm646x_iis_serializer_direction,
 383                 .asp_chan_q     = EVENTQ_0,
 384         },
 385         {
 386                 .tx_dma_offset  = 0x400,
 387                 .rx_dma_offset  = 0,
 388                 .op_mode        = DAVINCI_MCASP_DIT_MODE,
 389                 .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
 390                 .tdm_slots      = 32,
 391                 .serial_dir     = dm646x_dit_serializer_direction,
 392                 .asp_chan_q     = EVENTQ_0,
 393         },
 394 };
 395
 396 #ifdef CONFIG_I2C
 397 static struct i2c_client *cpld_client;
 398
 399 static int cpld_video_probe(struct i2c_client *client)
 400 {
 401         cpld_client = client;
 402         return 0;
 403 }
 404
 405 static int cpld_video_remove(struct i2c_client *client)
 406 {
 407         cpld_client = NULL;
 408         return 0;
 409 }
 410
 411 static const struct i2c_device_id cpld_video_id[] = {
 412         { "cpld_video", 0 },
 413         { }
 414 };
 415
 416 static struct i2c_driver cpld_video_driver = {
 417         .driver = {
 418                 .name   = "cpld_video",
 419         },
 420         .probe_new      = cpld_video_probe,
 421         .remove         = cpld_video_remove,
 422         .id_table       = cpld_video_id,
 423 };
 424
 425 static void evm_init_cpld(void)
 426 {
 427         i2c_add_driver(&cpld_video_driver);
 428 }
 429
 430 static struct i2c_board_info __initdata i2c_info[] =  {
 431         {
 432                 I2C_BOARD_INFO("24c256", 0x50),
 433                 .swnode = &eeprom_node,
 434         },
 435         {
 436                 I2C_BOARD_INFO("pcf8574a", 0x38),
 437                 .platform_data  = &pcf_data,
 438         },
 439         {
 440                 I2C_BOARD_INFO("cpld_reg0", 0x3a),
 441         },
 442         {
 443                 I2C_BOARD_INFO("tlv320aic33", 0x18),
 444         },
 445         {
 446                 I2C_BOARD_INFO("cpld_video", 0x3b),
 447         },
 448 };
 449
 450 static struct davinci_i2c_platform_data i2c_pdata = {
 451         .bus_freq       = 100 /* kHz */,
 452         .bus_delay      = 0 /* usec */,
 453 };
 454
 455 #define VCH2CLK_MASK            (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
 456 #define VCH2CLK_SYSCLK8         (BIT(9))
 457 #define VCH2CLK_AUXCLK          (BIT(9) | BIT(8))
 458 #define VCH3CLK_MASK            (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
 459 #define VCH3CLK_SYSCLK8         (BIT(13))
 460 #define VCH3CLK_AUXCLK          (BIT(14) | BIT(13))
 461
 462 #define VIDCH2CLK               (BIT(10))
 463 #define VIDCH3CLK               (BIT(11))
 464 #define VIDCH1CLK               (BIT(4))
 465 #define TVP7002_INPUT           (BIT(4))
 466 #define TVP5147_INPUT           (~BIT(4))
 467 #define VPIF_INPUT_ONE_CHANNEL  (BIT(5))
 468 #define VPIF_INPUT_TWO_CHANNEL  (~BIT(5))
 469 #define TVP5147_CH0             "tvp514x-0"
 470 #define TVP5147_CH1             "tvp514x-1"
 471
 472 /* spin lock for updating above registers */
 473 static spinlock_t vpif_reg_lock;
 474
 475 static int set_vpif_clock(int mux_mode, int hd)
 476 {
 477         unsigned long flags;
 478         unsigned int value;
 479         int val = 0;
 480         int err = 0;
 481
 482         if (!cpld_client)
 483                 return -ENXIO;
 484
 485         /* disable the clock */
 486         spin_lock_irqsave(&vpif_reg_lock, flags);
 487         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 488         value |= (VIDCH3CLK | VIDCH2CLK);
 489         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 490         spin_unlock_irqrestore(&vpif_reg_lock, flags);
 491
 492         val = i2c_smbus_read_byte(cpld_client);
 493         if (val < 0)
 494                 return val;
 495
 496         if (mux_mode == 1)
 497                 val &= ~0x40;
 498         else
 499                 val |= 0x40;
 500
 501         err = i2c_smbus_write_byte(cpld_client, val);
 502         if (err)
 503                 return err;
 504
 505         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
 506         value &= ~(VCH2CLK_MASK);
 507         value &= ~(VCH3CLK_MASK);
 508
 509         if (hd >= 1)
 510                 value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
 511         else
 512                 value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
 513
 514         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
 515
 516         spin_lock_irqsave(&vpif_reg_lock, flags);
 517         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 518         /* enable the clock */
 519         value &= ~(VIDCH3CLK | VIDCH2CLK);
 520         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 521         spin_unlock_irqrestore(&vpif_reg_lock, flags);
 522
 523         return 0;
 524 }
 525
 526 static struct vpif_subdev_info dm646x_vpif_subdev[] = {
 527         {
 528                 .name   = "adv7343",
 529                 .board_info = {
 530                         I2C_BOARD_INFO("adv7343", 0x2a),
 531                 },
 532         },
 533         {
 534                 .name   = "ths7303",
 535                 .board_info = {
 536                         I2C_BOARD_INFO("ths7303", 0x2c),
 537                 },
 538         },
 539 };
 540
 541 static const struct vpif_output dm6467_ch0_outputs[] = {
 542         {
 543                 .output = {
 544                         .index = 0,
 545                         .name = "Composite",
 546                         .type = V4L2_OUTPUT_TYPE_ANALOG,
 547                         .capabilities = V4L2_OUT_CAP_STD,
 548                         .std = V4L2_STD_ALL,
 549                 },
 550                 .subdev_name = "adv7343",
 551                 .output_route = ADV7343_COMPOSITE_ID,
 552         },
 553         {
 554                 .output = {
 555                         .index = 1,
 556                         .name = "Component",
 557                         .type = V4L2_OUTPUT_TYPE_ANALOG,
 558                         .capabilities = V4L2_OUT_CAP_DV_TIMINGS,
 559                 },
 560                 .subdev_name = "adv7343",
 561                 .output_route = ADV7343_COMPONENT_ID,
 562         },
 563         {
 564                 .output = {
 565                         .index = 2,
 566                         .name = "S-Video",
 567                         .type = V4L2_OUTPUT_TYPE_ANALOG,
 568                         .capabilities = V4L2_OUT_CAP_STD,
 569                         .std = V4L2_STD_ALL,
 570                 },
 571                 .subdev_name = "adv7343",
 572                 .output_route = ADV7343_SVIDEO_ID,
 573         },
 574 };
 575
 576 static struct vpif_display_config dm646x_vpif_display_config = {
 577         .set_clock      = set_vpif_clock,
 578         .subdevinfo     = dm646x_vpif_subdev,
 579         .subdev_count   = ARRAY_SIZE(dm646x_vpif_subdev),
 580         .i2c_adapter_id = 1,
 581         .chan_config[0] = {
 582                 .outputs = dm6467_ch0_outputs,
 583                 .output_count = ARRAY_SIZE(dm6467_ch0_outputs),
 584         },
 585         .card_name      = "DM646x EVM Video Display",
 586 };
 587
 588 /**
 589  * setup_vpif_input_path()
 590  * @channel: channel id (0 - CH0, 1 - CH1)
 591  * @sub_dev_name: ptr sub device name
 592  *
 593  * This will set vpif input to capture data from tvp514x or
 594  * tvp7002.
 595  */
 596 static int setup_vpif_input_path(int channel, const char *sub_dev_name)
 597 {
 598         int err = 0;
 599         int val;
 600
 601         /* for channel 1, we don't do anything */
 602         if (channel != 0)
 603                 return 0;
 604
 605         if (!cpld_client)
 606                 return -ENXIO;
 607
 608         val = i2c_smbus_read_byte(cpld_client);
 609         if (val < 0)
 610                 return val;
 611
 612         if (!strcmp(sub_dev_name, TVP5147_CH0) ||
 613             !strcmp(sub_dev_name, TVP5147_CH1))
 614                 val &= TVP5147_INPUT;
 615         else
 616                 val |= TVP7002_INPUT;
 617
 618         err = i2c_smbus_write_byte(cpld_client, val);
 619         if (err)
 620                 return err;
 621         return 0;
 622 }
 623
 624 /**
 625  * setup_vpif_input_channel_mode()
 626  * @mux_mode:  mux mode. 0 - 1 channel or (1) - 2 channel
 627  *
 628  * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
 629  */
 630 static int setup_vpif_input_channel_mode(int mux_mode)
 631 {
 632         unsigned long flags;
 633         int err = 0;
 634         int val;
 635         u32 value;
 636
 637         if (!cpld_client)
 638                 return -ENXIO;
 639
 640         val = i2c_smbus_read_byte(cpld_client);
 641         if (val < 0)
 642                 return val;
 643
 644         spin_lock_irqsave(&vpif_reg_lock, flags);
 645         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
 646         if (mux_mode) {
 647                 val &= VPIF_INPUT_TWO_CHANNEL;
 648                 value |= VIDCH1CLK;
 649         } else {
 650                 val |= VPIF_INPUT_ONE_CHANNEL;
 651                 value &= ~VIDCH1CLK;
 652         }
 653         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
 654         spin_unlock_irqrestore(&vpif_reg_lock, flags);
 655
 656         err = i2c_smbus_write_byte(cpld_client, val);
 657         if (err)
 658                 return err;
 659
 660         return 0;
 661 }
 662
 663 static struct tvp514x_platform_data tvp5146_pdata = {
 664         .clk_polarity = 0,
 665         .hs_polarity = 1,
 666         .vs_polarity = 1
 667 };
 668
 669 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
 670
 671 static struct vpif_subdev_info vpif_capture_sdev_info[] = {
 672         {
 673                 .name   = TVP5147_CH0,
 674                 .board_info = {
 675                         I2C_BOARD_INFO("tvp5146", 0x5d),
 676                         .platform_data = &tvp5146_pdata,
 677                 },
 678         },
 679         {
 680                 .name   = TVP5147_CH1,
 681                 .board_info = {
 682                         I2C_BOARD_INFO("tvp5146", 0x5c),
 683                         .platform_data = &tvp5146_pdata,
 684                 },
 685         },
 686 };
 687
 688 static struct vpif_input dm6467_ch0_inputs[] = {
 689         {
 690                 .input = {
 691                         .index = 0,
 692                         .name = "Composite",
 693                         .type = V4L2_INPUT_TYPE_CAMERA,
 694                         .capabilities = V4L2_IN_CAP_STD,
 695                         .std = TVP514X_STD_ALL,
 696                 },
 697                 .subdev_name = TVP5147_CH0,
 698                 .input_route = INPUT_CVBS_VI2B,
 699                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 700         },
 701 };
 702
 703 static struct vpif_input dm6467_ch1_inputs[] = {
 704        {
 705                 .input = {
 706                         .index = 0,
 707                         .name = "S-Video",
 708                         .type = V4L2_INPUT_TYPE_CAMERA,
 709                         .capabilities = V4L2_IN_CAP_STD,
 710                         .std = TVP514X_STD_ALL,
 711                 },
 712                 .subdev_name = TVP5147_CH1,
 713                 .input_route = INPUT_SVIDEO_VI2C_VI1C,
 714                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 715         },
 716 };
 717
 718 static struct vpif_capture_config dm646x_vpif_capture_cfg = {
 719         .setup_input_path = setup_vpif_input_path,
 720         .setup_input_channel_mode = setup_vpif_input_channel_mode,
 721         .subdev_info = vpif_capture_sdev_info,
 722         .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
 723         .i2c_adapter_id = 1,
 724         .chan_config[0] = {
 725                 .inputs = dm6467_ch0_inputs,
 726                 .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
 727                 .vpif_if = {
 728                         .if_type = VPIF_IF_BT656,
 729                         .hd_pol = 1,
 730                         .vd_pol = 1,
 731                         .fid_pol = 0,
 732                 },
 733         },
 734         .chan_config[1] = {
 735                 .inputs = dm6467_ch1_inputs,
 736                 .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
 737                 .vpif_if = {
 738                         .if_type = VPIF_IF_BT656,
 739                         .hd_pol = 1,
 740                         .vd_pol = 1,
 741                         .fid_pol = 0,
 742                 },
 743         },
 744         .card_name = "DM646x EVM Video Capture",
 745 };
 746
 747 static void __init evm_init_video(void)
 748 {
 749         spin_lock_init(&vpif_reg_lock);
 750
 751         dm646x_setup_vpif(&dm646x_vpif_display_config,
 752                           &dm646x_vpif_capture_cfg);
 753 }
 754
 755 static void __init evm_init_i2c(void)
 756 {
 757         davinci_init_i2c(&i2c_pdata);
 758         i2c_add_driver(&dm6467evm_cpld_driver);
 759         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 760         evm_init_cpld();
 761         evm_init_video();
 762 }
 763 #endif
 764
 765 #define DM646X_REF_FREQ                 27000000
 766 #define DM646X_AUX_FREQ                 24000000
 767 #define DM6467T_EVM_REF_FREQ            33000000
 768
 769 static void __init davinci_map_io(void)
 770 {
 771         dm646x_init();
 772 }
 773
 774 static void __init dm646x_evm_init_time(void)
 775 {
 776         dm646x_init_time(DM646X_REF_FREQ, DM646X_AUX_FREQ);
 777 }
 778
 779 static void __init dm6467t_evm_init_time(void)
 780 {
 781         dm646x_init_time(DM6467T_EVM_REF_FREQ, DM646X_AUX_FREQ);
 782 }
 783
 784 #define DM646X_EVM_PHY_ID               "davinci_mdio-0:01"
 785 /*
 786  * The following EDMA channels/slots are not being used by drivers (for
 787  * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
 788  * reserved for codecs on the DSP side.
 789  */
 790 static const s16 dm646x_dma_rsv_chans[][2] = {
 791         /* (offset, number) */
 792         { 0,  4},
 793         {13,  3},
 794         {24,  4},
 795         {30,  2},
 796         {54,  3},
 797         {-1, -1}
 798 };
 799
 800 static const s16 dm646x_dma_rsv_slots[][2] = {
 801         /* (offset, number) */
 802         { 0,  4},
 803         {13,  3},
 804         {24,  4},
 805         {30,  2},
 806         {54,  3},
 807         {128, 384},
 808         {-1, -1}
 809 };
 810
 811 static struct edma_rsv_info dm646x_edma_rsv[] = {
 812         {
 813                 .rsv_chans      = dm646x_dma_rsv_chans,
 814                 .rsv_slots      = dm646x_dma_rsv_slots,
 815         },
 816 };
 817
 818 static __init void evm_init(void)
 819 {
 820         int ret;
 821         struct davinci_soc_info *soc_info = &davinci_soc_info;
 822
 823         dm646x_register_clocks();
 824
 825         ret = dm646x_gpio_register();
 826         if (ret)
 827                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 828
 829 #ifdef CONFIG_I2C
 830         nvmem_add_cell_table(&dm646x_evm_nvmem_cell_table);
 831         nvmem_add_cell_lookups(&dm646x_evm_nvmem_cell_lookup, 1);
 832         evm_init_i2c();
 833 #endif
 834
 835         davinci_serial_init(dm646x_serial_device);
 836         dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
 837         dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
 838
 839         if (machine_is_davinci_dm6467tevm())
 840                 davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
 841
 842         if (platform_device_register(&davinci_aemif_device))
 843                 pr_warn("%s: Cannot register AEMIF device.\n", __func__);
 844
 845         dm646x_init_edma(dm646x_edma_rsv);
 846
 847         if (HAS_ATA)
 848                 davinci_init_ide();
 849
 850         soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
 851 }
 852
 853 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
 854         .atag_offset  = 0x100,
 855         .map_io       = davinci_map_io,
 856         .init_irq     = dm646x_init_irq,
 857         .init_time      = dm646x_evm_init_time,
 858         .init_machine = evm_init,
 859         .init_late      = davinci_init_late,
 860         .dma_zone_size  = SZ_128M,
 861 MACHINE_END
 862
 863 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
 864         .atag_offset  = 0x100,
 865         .map_io       = davinci_map_io,
 866         .init_irq     = dm646x_init_irq,
 867         .init_time      = dm6467t_evm_init_time,
 868         .init_machine = evm_init,
 869         .init_late      = davinci_init_late,
 870         .dma_zone_size  = SZ_128M,
 871 MACHINE_END