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

   1 /*
   2  * TI DaVinci DM646X EVM board
   3  *
   4  * Derived from: arch/arm/mach-davinci/board-evm.c
   5  * Copyright (C) 2006 Texas Instruments.
   6  *
   7  * (C) 2007-2008, MontaVista Software, Inc.
   8  *
   9  * This file is licensed under the terms of the GNU General Public License
  10  * version 2. This program is licensed "as is" without any warranty of any
  11  * kind, whether express or implied.
  12  *
  13  */
  14
  15 /**************************************************************************
  16  * Included Files
  17  **************************************************************************/
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/leds.h>
  22 #include <linux/gpio.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/i2c.h>
  25 #include <linux/property.h>
  26 #include <linux/platform_data/pcf857x.h>
  27 #include <linux/platform_data/ti-aemif.h>
  28
  29 #include <media/i2c/tvp514x.h>
  30 #include <media/i2c/adv7343.h>
  31
  32 #include <linux/mtd/mtd.h>
  33 #include <linux/mtd/rawnand.h>
  34 #include <linux/mtd/partitions.h>
  35 #include <linux/nvmem-provider.h>
  36 #include <linux/clk.h>
  37 #include <linux/export.h>
  38 #include <linux/platform_data/gpio-davinci.h>
  39 #include <linux/platform_data/i2c-davinci.h>
  40 #include <linux/platform_data/mtd-davinci.h>
  41 #include <linux/platform_data/mtd-davinci-aemif.h>
  42
  43 #include <asm/mach-types.h>
  44 #include <asm/mach/arch.h>
  45
  46 #include <mach/common.h>
  47 #include <mach/serial.h>
  48
  49 #include "davinci.h"
  50 #include "irqs.h"
  51
  52 #define NAND_BLOCK_SIZE         SZ_128K
  53
  54 /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
  55  * and U-Boot environment this avoids dependency on any particular combination
  56  * of UBL, U-Boot or flashing tools etc.
  57  */
  58 static struct mtd_partition davinci_nand_partitions[] = {
  59         {
  60                 /* UBL, U-Boot with environment */
  61                 .name           = "bootloader",
  62                 .offset         = MTDPART_OFS_APPEND,
  63                 .size           = 16 * NAND_BLOCK_SIZE,
  64                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
  65         }, {
  66                 .name           = "kernel",
  67                 .offset         = MTDPART_OFS_APPEND,
  68                 .size           = SZ_4M,
  69                 .mask_flags     = 0,
  70         }, {
  71                 .name           = "filesystem",
  72                 .offset         = MTDPART_OFS_APPEND,
  73                 .size           = MTDPART_SIZ_FULL,
  74                 .mask_flags     = 0,
  75         }
  76 };
  77
  78 static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
  79         .wsetup         = 29,
  80         .wstrobe        = 24,
  81         .whold          = 14,
  82         .rsetup         = 19,
  83         .rstrobe        = 33,
  84         .rhold          = 0,
  85         .ta             = 29,
  86 };
  87
  88 static struct davinci_nand_pdata davinci_nand_data = {
  89         .core_chipsel           = 0,
  90         .mask_cle               = 0x80000,
  91         .mask_ale               = 0x40000,
  92         .parts                  = davinci_nand_partitions,
  93         .nr_parts               = ARRAY_SIZE(davinci_nand_partitions),
  94         .ecc_mode               = NAND_ECC_HW,
  95         .ecc_bits               = 1,
  96         .options                = 0,
  97 };
  98
  99 static struct resource davinci_nand_resources[] = {
 100         {
 101                 .start          = DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
 102                 .end            = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
 103                 .flags          = IORESOURCE_MEM,
 104         }, {
 105                 .start          = DM646X_ASYNC_EMIF_CONTROL_BASE,
 106                 .end            = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 107                 .flags          = IORESOURCE_MEM,
 108         },
 109 };
 110
 111 static struct platform_device davinci_aemif_devices[] = {
 112         {
 113                 .name           = "davinci_nand",
 114                 .id             = 0,
 115                 .num_resources  = ARRAY_SIZE(davinci_nand_resources),
 116                 .resource       = davinci_nand_resources,
 117                 .dev            = {
 118                         .platform_data  = &davinci_nand_data,
 119                 },
 120         },
 121 };
 122
 123 static struct resource davinci_aemif_resources[] = {
 124         {
 125                 .start  = DM646X_ASYNC_EMIF_CONTROL_BASE,
 126                 .end    = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 127                 .flags  = IORESOURCE_MEM,
 128         },
 129 };
 130
 131 static struct aemif_abus_data davinci_aemif_abus_data[] = {
 132         {
 133                 .cs     = 1,
 134         },
 135 };
 136
 137 static struct aemif_platform_data davinci_aemif_pdata = {
 138         .abus_data              = davinci_aemif_abus_data,
 139         .num_abus_data          = ARRAY_SIZE(davinci_aemif_abus_data),
 140         .sub_devices            = davinci_aemif_devices,
 141         .num_sub_devices        = ARRAY_SIZE(davinci_aemif_devices),
 142 };
 143
 144 static struct platform_device davinci_aemif_device = {
 145         .name           = "ti-aemif",
 146         .id             = -1,
 147         .dev = {
 148                 .platform_data  = &davinci_aemif_pdata,
 149         },
 150         .resource       = davinci_aemif_resources,
 151         .num_resources  = ARRAY_SIZE(davinci_aemif_resources),
 152 };
 153
 154 #define HAS_ATA         (IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
 155                          IS_ENABLED(CONFIG_PATA_BK3710))
 156
 157 #ifdef CONFIG_I2C
 158 /* CPLD Register 0 bits to control ATA */
 159 #define DM646X_EVM_ATA_RST              BIT(0)
 160 #define DM646X_EVM_ATA_PWD              BIT(1)
 161
 162 /* CPLD Register 0 Client: used for I/O Control */
 163 static int cpld_reg0_probe(struct i2c_client *client,
 164                            const struct i2c_device_id *id)
 165 {
 166         if (HAS_ATA) {
 167                 u8 data;
 168                 struct i2c_msg msg[2] = {
 169                         {
 170                                 .addr = client->addr,
 171                                 .flags = I2C_M_RD,
 172                                 .len = 1,
 173                                 .buf = &data,
 174                         },
 175                         {
 176                                 .addr = client->addr,
 177                                 .flags = 0,
 178                                 .len = 1,
 179                                 .buf = &data,
 180                         },
 181                 };
 182
 183                 /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
 184                 i2c_transfer(client->adapter, msg, 1);
 185                 data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
 186                 i2c_transfer(client->adapter, msg + 1, 1);
 187         }
 188
 189         return 0;
 190 }
 191
 192 static const struct i2c_device_id cpld_reg_ids[] = {
 193         { "cpld_reg0", 0, },
 194         { },
 195 };
 196
 197 static struct i2c_driver dm6467evm_cpld_driver = {
 198         .driver.name    = "cpld_reg0",
 199         .id_table       = cpld_reg_ids,
 200         .probe          = cpld_reg0_probe,
 201 };
 202
 203 /* LEDS */
 204
 205 static struct gpio_led evm_leds[] = {
 206         { .name = "DS1", .active_low = 1, },
 207         { .name = "DS2", .active_low = 1, },
 208         { .name = "DS3", .active_low = 1, },
 209         { .name = "DS4", .active_low = 1, },
 210 };
 211
 212 static const struct gpio_led_platform_data evm_led_data = {
 213         .num_leds = ARRAY_SIZE(evm_leds),
 214         .leds     = evm_leds,
 215 };
 216
 217 static struct platform_device *evm_led_dev;
 218
 219 static int evm_led_setup(struct i2c_client *client, int gpio,
 220                         unsigned int ngpio, void *c)
 221 {
 222         struct gpio_led *leds = evm_leds;
 223         int status;
 224
 225         while (ngpio--) {
 226                 leds->gpio = gpio++;
 227                 leds++;
 228         }
 229
 230         evm_led_dev = platform_device_alloc("leds-gpio", 0);
 231         platform_device_add_data(evm_led_dev, &evm_led_data,
 232                                 sizeof(evm_led_data));
 233
 234         evm_led_dev->dev.parent = &client->dev;
 235         status = platform_device_add(evm_led_dev);
 236         if (status < 0) {
 237                 platform_device_put(evm_led_dev);
 238                 evm_led_dev = NULL;
 239         }
 240         return status;
 241 }
 242
 243 static int evm_led_teardown(struct i2c_client *client, int gpio,
 244                                 unsigned ngpio, void *c)
 245 {
 246         if (evm_led_dev) {
 247                 platform_device_unregister(evm_led_dev);
 248                 evm_led_dev = NULL;
 249         }
 250         return 0;
 251 }
 252
 253 static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
 254
 255 static int evm_sw_setup(struct i2c_client *client, int gpio,
 256                         unsigned ngpio, void *c)
 257 {
 258         int status;
 259         int i;
 260         char label[10];
 261
 262         for (i = 0; i < 4; ++i) {
 263                 snprintf(label, 10, "user_sw%d", i);
 264                 status = gpio_request(gpio, label);
 265                 if (status)
 266                         goto out_free;
 267                 evm_sw_gpio[i] = gpio++;
 268
 269                 status = gpio_direction_input(evm_sw_gpio[i]);
 270                 if (status) {
 271                         gpio_free(evm_sw_gpio[i]);
 272                         evm_sw_gpio[i] = -EINVAL;
 273                         goto out_free;
 274                 }
 275
 276                 status = gpio_export(evm_sw_gpio[i], 0);
 277                 if (status) {
 278                         gpio_free(evm_sw_gpio[i]);
 279                         evm_sw_gpio[i] = -EINVAL;
 280                         goto out_free;
 281                 }
 282         }
 283         return status;
 284 out_free:
 285         for (i = 0; i < 4; ++i) {
 286                 if (evm_sw_gpio[i] != -EINVAL) {
 287                         gpio_free(evm_sw_gpio[i]);
 288                         evm_sw_gpio[i] = -EINVAL;
 289                 }
 290         }
 291         return status;
 292 }
 293
 294 static int evm_sw_teardown(struct i2c_client *client, int gpio,
 295                         unsigned ngpio, void *c)
 296 {
 297         int i;
 298
 299         for (i = 0; i < 4; ++i) {
 300                 if (evm_sw_gpio[i] != -EINVAL) {
 301                         gpio_unexport(evm_sw_gpio[i]);
 302                         gpio_free(evm_sw_gpio[i]);
 303                         evm_sw_gpio[i] = -EINVAL;
 304                 }
 305         }
 306         return 0;
 307 }
 308
 309 static int evm_pcf_setup(struct i2c_client *client, int gpio,
 310                         unsigned int ngpio, void *c)
 311 {
 312         int status;
 313
 314         if (ngpio < 8)
 315                 return -EINVAL;
 316
 317         status = evm_sw_setup(client, gpio, 4, c);
 318         if (status)
 319                 return status;
 320
 321         return evm_led_setup(client, gpio+4, 4, c);
 322 }
 323
 324 static int evm_pcf_teardown(struct i2c_client *client, int gpio,
 325                         unsigned int ngpio, void *c)
 326 {
 327         BUG_ON(ngpio < 8);
 328
 329         evm_sw_teardown(client, gpio, 4, c);
 330         evm_led_teardown(client, gpio+4, 4, c);
 331
 332         return 0;
 333 }
 334
 335 static struct pcf857x_platform_data pcf_data = {
 336         .gpio_base      = DAVINCI_N_GPIO+1,
 337         .setup          = evm_pcf_setup,
 338         .teardown       = evm_pcf_teardown,
 339 };
 340
 341 /* Most of this EEPROM is unused, but U-Boot uses some data:
 342  *  - 0x7f00, 6 bytes Ethernet Address
 343  *  - ... newer boards may have more
 344  */
 345
 346 static struct nvmem_cell_info dm646x_evm_nvmem_cells[] = {
 347         {
 348                 .name           = "macaddr",
 349                 .offset         = 0x7f00,
 350                 .bytes          = ETH_ALEN,
 351         }
 352 };
 353
 354 static struct nvmem_cell_table dm646x_evm_nvmem_cell_table = {
 355         .nvmem_name     = "1-00500",
 356         .cells          = dm646x_evm_nvmem_cells,
 357         .ncells         = ARRAY_SIZE(dm646x_evm_nvmem_cells),
 358 };
 359
 360 static struct nvmem_cell_lookup dm646x_evm_nvmem_cell_lookup = {
 361         .nvmem_name     = "1-00500",
 362         .cell_name      = "macaddr",
 363         .dev_id         = "davinci_emac.1",
 364         .con_id         = "mac-address",
 365 };
 366
 367 static const struct property_entry eeprom_properties[] = {
 368         PROPERTY_ENTRY_U32("pagesize", 64),
 369         { }
 370 };
 371 #endif
 372
 373 static u8 dm646x_iis_serializer_direction[] = {
 374        TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
 375 };
 376
 377 static u8 dm646x_dit_serializer_direction[] = {
 378        TX_MODE,
 379 };
 380
 381 static struct snd_platform_data dm646x_evm_snd_data[] = {
 382         {
 383                 .tx_dma_offset  = 0x400,
 384                 .rx_dma_offset  = 0x400,
 385                 .op_mode        = DAVINCI_MCASP_IIS_MODE,
 386                 .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
 387                 .tdm_slots      = 2,
 388                 .serial_dir     = dm646x_iis_serializer_direction,
 389                 .asp_chan_q     = EVENTQ_0,
 390         },
 391         {
 392                 .tx_dma_offset  = 0x400,
 393                 .rx_dma_offset  = 0,
 394                 .op_mode        = DAVINCI_MCASP_DIT_MODE,
 395                 .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
 396                 .tdm_slots      = 32,
 397                 .serial_dir     = dm646x_dit_serializer_direction,
 398                 .asp_chan_q     = EVENTQ_0,
 399         },
 400 };
 401
 402 #ifdef CONFIG_I2C
 403 static struct i2c_client *cpld_client;
 404
 405 static int cpld_video_probe(struct i2c_client *client,
 406                         const struct i2c_device_id *id)
 407 {
 408         cpld_client = client;
 409         return 0;
 410 }
 411
 412 static int cpld_video_remove(struct i2c_client *client)
 413 {
 414         cpld_client = NULL;
 415         return 0;
 416 }
 417
 418 static const struct i2c_device_id cpld_video_id[] = {
 419         { "cpld_video", 0 },
 420         { }
 421 };
 422
 423 static struct i2c_driver cpld_video_driver = {
 424         .driver = {
 425                 .name   = "cpld_video",
 426         },
 427         .probe          = cpld_video_probe,
 428         .remove         = cpld_video_remove,
 429         .id_table       = cpld_video_id,
 430 };
 431
 432 static void evm_init_cpld(void)
 433 {
 434         i2c_add_driver(&cpld_video_driver);
 435 }
 436
 437 static struct i2c_board_info __initdata i2c_info[] =  {
 438         {
 439                 I2C_BOARD_INFO("24c256", 0x50),
 440                 .properties  = eeprom_properties,
 441         },
 442         {
 443                 I2C_BOARD_INFO("pcf8574a", 0x38),
 444                 .platform_data  = &pcf_data,
 445         },
 446         {
 447                 I2C_BOARD_INFO("cpld_reg0", 0x3a),
 448         },
 449         {
 450                 I2C_BOARD_INFO("tlv320aic33", 0x18),
 451         },
 452         {
 453                 I2C_BOARD_INFO("cpld_video", 0x3b),
 454         },
 455 };
 456
 457 static struct davinci_i2c_platform_data i2c_pdata = {
 458         .bus_freq       = 100 /* kHz */,
 459         .bus_delay      = 0 /* usec */,
 460 };
 461
 462 #define VCH2CLK_MASK            (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
 463 #define VCH2CLK_SYSCLK8         (BIT(9))
 464 #define VCH2CLK_AUXCLK          (BIT(9) | BIT(8))
 465 #define VCH3CLK_MASK            (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
 466 #define VCH3CLK_SYSCLK8         (BIT(13))
 467 #define VCH3CLK_AUXCLK          (BIT(14) | BIT(13))
 468
 469 #define VIDCH2CLK               (BIT(10))
 470 #define VIDCH3CLK               (BIT(11))
 471 #define VIDCH1CLK               (BIT(4))
 472 #define TVP7002_INPUT           (BIT(4))
 473 #define TVP5147_INPUT           (~BIT(4))
 474 #define VPIF_INPUT_ONE_CHANNEL  (BIT(5))
 475 #define VPIF_INPUT_TWO_CHANNEL  (~BIT(5))
 476 #define TVP5147_CH0             "tvp514x-0"
 477 #define TVP5147_CH1             "tvp514x-1"
 478
 479 /* spin lock for updating above registers */
 480 static spinlock_t vpif_reg_lock;
 481
 482 static int set_vpif_clock(int mux_mode, int hd)
 483 {
 484         unsigned long flags;
 485         unsigned int value;
 486         int val = 0;
 487         int err = 0;
 488
 489         if (!cpld_client)
 490                 return -ENXIO;
 491
 492         /* disable the clock */
 493         spin_lock_irqsave(&vpif_reg_lock, flags);
 494         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 495         value |= (VIDCH3CLK | VIDCH2CLK);
 496         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 497         spin_unlock_irqrestore(&vpif_reg_lock, flags);
 498
 499         val = i2c_smbus_read_byte(cpld_client);
 500         if (val < 0)
 501                 return val;
 502
 503         if (mux_mode == 1)
 504                 val &= ~0x40;
 505         else
 506                 val |= 0x40;
 507
 508         err = i2c_smbus_write_byte(cpld_client, val);
 509         if (err)
 510                 return err;
 511
 512         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
 513         value &= ~(VCH2CLK_MASK);
 514         value &= ~(VCH3CLK_MASK);
 515
 516         if (hd >= 1)
 517                 value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
 518         else
 519                 value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
 520
 521         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
 522
 523         spin_lock_irqsave(&vpif_reg_lock, flags);
 524         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 525         /* enable the clock */
 526         value &= ~(VIDCH3CLK | VIDCH2CLK);
 527         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
 528         spin_unlock_irqrestore(&vpif_reg_lock, flags);
 529
 530         return 0;
 531 }
 532
 533 static struct vpif_subdev_info dm646x_vpif_subdev[] = {
 534         {
 535                 .name   = "adv7343",
 536                 .board_info = {
 537                         I2C_BOARD_INFO("adv7343", 0x2a),
 538                 },
 539         },
 540         {
 541                 .name   = "ths7303",
 542                 .board_info = {
 543                         I2C_BOARD_INFO("ths7303", 0x2c),
 544                 },
 545         },
 546 };
 547
 548 static const struct vpif_output dm6467_ch0_outputs[] = {
 549         {
 550                 .output = {
 551                         .index = 0,
 552                         .name = "Composite",
 553                         .type = V4L2_OUTPUT_TYPE_ANALOG,
 554                         .capabilities = V4L2_OUT_CAP_STD,
 555                         .std = V4L2_STD_ALL,
 556                 },
 557                 .subdev_name = "adv7343",
 558                 .output_route = ADV7343_COMPOSITE_ID,
 559         },
 560         {
 561                 .output = {
 562                         .index = 1,
 563                         .name = "Component",
 564                         .type = V4L2_OUTPUT_TYPE_ANALOG,
 565                         .capabilities = V4L2_OUT_CAP_DV_TIMINGS,
 566                 },
 567                 .subdev_name = "adv7343",
 568                 .output_route = ADV7343_COMPONENT_ID,
 569         },
 570         {
 571                 .output = {
 572                         .index = 2,
 573                         .name = "S-Video",
 574                         .type = V4L2_OUTPUT_TYPE_ANALOG,
 575                         .capabilities = V4L2_OUT_CAP_STD,
 576                         .std = V4L2_STD_ALL,
 577                 },
 578                 .subdev_name = "adv7343",
 579                 .output_route = ADV7343_SVIDEO_ID,
 580         },
 581 };
 582
 583 static struct vpif_display_config dm646x_vpif_display_config = {
 584         .set_clock      = set_vpif_clock,
 585         .subdevinfo     = dm646x_vpif_subdev,
 586         .subdev_count   = ARRAY_SIZE(dm646x_vpif_subdev),
 587         .i2c_adapter_id = 1,
 588         .chan_config[0] = {
 589                 .outputs = dm6467_ch0_outputs,
 590                 .output_count = ARRAY_SIZE(dm6467_ch0_outputs),
 591         },
 592         .card_name      = "DM646x EVM Video Display",
 593 };
 594
 595 /**
 596  * setup_vpif_input_path()
 597  * @channel: channel id (0 - CH0, 1 - CH1)
 598  * @sub_dev_name: ptr sub device name
 599  *
 600  * This will set vpif input to capture data from tvp514x or
 601  * tvp7002.
 602  */
 603 static int setup_vpif_input_path(int channel, const char *sub_dev_name)
 604 {
 605         int err = 0;
 606         int val;
 607
 608         /* for channel 1, we don't do anything */
 609         if (channel != 0)
 610                 return 0;
 611
 612         if (!cpld_client)
 613                 return -ENXIO;
 614
 615         val = i2c_smbus_read_byte(cpld_client);
 616         if (val < 0)
 617                 return val;
 618
 619         if (!strcmp(sub_dev_name, TVP5147_CH0) ||
 620             !strcmp(sub_dev_name, TVP5147_CH1))
 621                 val &= TVP5147_INPUT;
 622         else
 623                 val |= TVP7002_INPUT;
 624
 625         err = i2c_smbus_write_byte(cpld_client, val);
 626         if (err)
 627                 return err;
 628         return 0;
 629 }
 630
 631 /**
 632  * setup_vpif_input_channel_mode()
 633  * @mux_mode:  mux mode. 0 - 1 channel or (1) - 2 channel
 634  *
 635  * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
 636  */
 637 static int setup_vpif_input_channel_mode(int mux_mode)
 638 {
 639         unsigned long flags;
 640         int err = 0;
 641         int val;
 642         u32 value;
 643
 644         if (!cpld_client)
 645                 return -ENXIO;
 646
 647         val = i2c_smbus_read_byte(cpld_client);
 648         if (val < 0)
 649                 return val;
 650
 651         spin_lock_irqsave(&vpif_reg_lock, flags);
 652         value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
 653         if (mux_mode) {
 654                 val &= VPIF_INPUT_TWO_CHANNEL;
 655                 value |= VIDCH1CLK;
 656         } else {
 657                 val |= VPIF_INPUT_ONE_CHANNEL;
 658                 value &= ~VIDCH1CLK;
 659         }
 660         __raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VIDCLKCTL));
 661         spin_unlock_irqrestore(&vpif_reg_lock, flags);
 662
 663         err = i2c_smbus_write_byte(cpld_client, val);
 664         if (err)
 665                 return err;
 666
 667         return 0;
 668 }
 669
 670 static struct tvp514x_platform_data tvp5146_pdata = {
 671         .clk_polarity = 0,
 672         .hs_polarity = 1,
 673         .vs_polarity = 1
 674 };
 675
 676 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
 677
 678 static struct vpif_subdev_info vpif_capture_sdev_info[] = {
 679         {
 680                 .name   = TVP5147_CH0,
 681                 .board_info = {
 682                         I2C_BOARD_INFO("tvp5146", 0x5d),
 683                         .platform_data = &tvp5146_pdata,
 684                 },
 685         },
 686         {
 687                 .name   = TVP5147_CH1,
 688                 .board_info = {
 689                         I2C_BOARD_INFO("tvp5146", 0x5c),
 690                         .platform_data = &tvp5146_pdata,
 691                 },
 692         },
 693 };
 694
 695 static struct vpif_input dm6467_ch0_inputs[] = {
 696         {
 697                 .input = {
 698                         .index = 0,
 699                         .name = "Composite",
 700                         .type = V4L2_INPUT_TYPE_CAMERA,
 701                         .capabilities = V4L2_IN_CAP_STD,
 702                         .std = TVP514X_STD_ALL,
 703                 },
 704                 .subdev_name = TVP5147_CH0,
 705                 .input_route = INPUT_CVBS_VI2B,
 706                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 707         },
 708 };
 709
 710 static struct vpif_input dm6467_ch1_inputs[] = {
 711        {
 712                 .input = {
 713                         .index = 0,
 714                         .name = "S-Video",
 715                         .type = V4L2_INPUT_TYPE_CAMERA,
 716                         .capabilities = V4L2_IN_CAP_STD,
 717                         .std = TVP514X_STD_ALL,
 718                 },
 719                 .subdev_name = TVP5147_CH1,
 720                 .input_route = INPUT_SVIDEO_VI2C_VI1C,
 721                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 722         },
 723 };
 724
 725 static struct vpif_capture_config dm646x_vpif_capture_cfg = {
 726         .setup_input_path = setup_vpif_input_path,
 727         .setup_input_channel_mode = setup_vpif_input_channel_mode,
 728         .subdev_info = vpif_capture_sdev_info,
 729         .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
 730         .i2c_adapter_id = 1,
 731         .chan_config[0] = {
 732                 .inputs = dm6467_ch0_inputs,
 733                 .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
 734                 .vpif_if = {
 735                         .if_type = VPIF_IF_BT656,
 736                         .hd_pol = 1,
 737                         .vd_pol = 1,
 738                         .fid_pol = 0,
 739                 },
 740         },
 741         .chan_config[1] = {
 742                 .inputs = dm6467_ch1_inputs,
 743                 .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
 744                 .vpif_if = {
 745                         .if_type = VPIF_IF_BT656,
 746                         .hd_pol = 1,
 747                         .vd_pol = 1,
 748                         .fid_pol = 0,
 749                 },
 750         },
 751         .card_name = "DM646x EVM Video Capture",
 752 };
 753
 754 static void __init evm_init_video(void)
 755 {
 756         spin_lock_init(&vpif_reg_lock);
 757
 758         dm646x_setup_vpif(&dm646x_vpif_display_config,
 759                           &dm646x_vpif_capture_cfg);
 760 }
 761
 762 static void __init evm_init_i2c(void)
 763 {
 764         davinci_init_i2c(&i2c_pdata);
 765         i2c_add_driver(&dm6467evm_cpld_driver);
 766         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 767         evm_init_cpld();
 768         evm_init_video();
 769 }
 770 #endif
 771
 772 #define DM646X_REF_FREQ                 27000000
 773 #define DM646X_AUX_FREQ                 24000000
 774 #define DM6467T_EVM_REF_FREQ            33000000
 775
 776 static void __init davinci_map_io(void)
 777 {
 778         dm646x_init();
 779 }
 780
 781 static void __init dm646x_evm_init_time(void)
 782 {
 783         dm646x_init_time(DM646X_REF_FREQ, DM646X_AUX_FREQ);
 784 }
 785
 786 static void __init dm6467t_evm_init_time(void)
 787 {
 788         dm646x_init_time(DM6467T_EVM_REF_FREQ, DM646X_AUX_FREQ);
 789 }
 790
 791 #define DM646X_EVM_PHY_ID               "davinci_mdio-0:01"
 792 /*
 793  * The following EDMA channels/slots are not being used by drivers (for
 794  * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
 795  * reserved for codecs on the DSP side.
 796  */
 797 static const s16 dm646x_dma_rsv_chans[][2] = {
 798         /* (offset, number) */
 799         { 0,  4},
 800         {13,  3},
 801         {24,  4},
 802         {30,  2},
 803         {54,  3},
 804         {-1, -1}
 805 };
 806
 807 static const s16 dm646x_dma_rsv_slots[][2] = {
 808         /* (offset, number) */
 809         { 0,  4},
 810         {13,  3},
 811         {24,  4},
 812         {30,  2},
 813         {54,  3},
 814         {128, 384},
 815         {-1, -1}
 816 };
 817
 818 static struct edma_rsv_info dm646x_edma_rsv[] = {
 819         {
 820                 .rsv_chans      = dm646x_dma_rsv_chans,
 821                 .rsv_slots      = dm646x_dma_rsv_slots,
 822         },
 823 };
 824
 825 static __init void evm_init(void)
 826 {
 827         int ret;
 828         struct davinci_soc_info *soc_info = &davinci_soc_info;
 829
 830         dm646x_register_clocks();
 831
 832         ret = dm646x_gpio_register();
 833         if (ret)
 834                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 835
 836 #ifdef CONFIG_I2C
 837         nvmem_add_cell_table(&dm646x_evm_nvmem_cell_table);
 838         nvmem_add_cell_lookups(&dm646x_evm_nvmem_cell_lookup, 1);
 839         evm_init_i2c();
 840 #endif
 841
 842         davinci_serial_init(dm646x_serial_device);
 843         dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
 844         dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
 845
 846         if (machine_is_davinci_dm6467tevm())
 847                 davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
 848
 849         if (platform_device_register(&davinci_aemif_device))
 850                 pr_warn("%s: Cannot register AEMIF device.\n", __func__);
 851
 852         dm646x_init_edma(dm646x_edma_rsv);
 853
 854         if (HAS_ATA)
 855                 davinci_init_ide();
 856
 857         soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
 858 }
 859
 860 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
 861         .atag_offset  = 0x100,
 862         .map_io       = davinci_map_io,
 863         .init_irq     = dm646x_init_irq,
 864         .init_time      = dm646x_evm_init_time,
 865         .init_machine = evm_init,
 866         .init_late      = davinci_init_late,
 867         .dma_zone_size  = SZ_128M,
 868 MACHINE_END
 869
 870 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
 871         .atag_offset  = 0x100,
 872         .map_io       = davinci_map_io,
 873         .init_irq     = dm646x_init_irq,
 874         .init_time      = dm6467t_evm_init_time,
 875         .init_machine = evm_init,
 876         .init_late      = davinci_init_late,
 877         .dma_zone_size  = SZ_128M,
 878 MACHINE_END
 879