arch/arm/mach-davinci/board-dm644x-evm.c

   1 /*
   2  * TI DaVinci EVM board support
   3  *
   4  * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
   5  *
   6  * 2007 (c) MontaVista Software, Inc. This file is licensed under
   7  * the terms of the GNU General Public License version 2. This program
   8  * is licensed "as is" without any warranty of any kind, whether express
   9  * or implied.
  10  */
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/dma-mapping.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/gpio.h>
  16 #include <linux/gpio/machine.h>
  17 #include <linux/i2c.h>
  18 #include <linux/platform_data/pcf857x.h>
  19 #include <linux/platform_data/at24.h>
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/rawnand.h>
  22 #include <linux/mtd/partitions.h>
  23 #include <linux/mtd/physmap.h>
  24 #include <linux/phy.h>
  25 #include <linux/clk.h>
  26 #include <linux/videodev2.h>
  27 #include <linux/v4l2-dv-timings.h>
  28 #include <linux/export.h>
  29 #include <linux/leds.h>
  30
  31 #include <media/i2c/tvp514x.h>
  32
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35
  36 #include <mach/common.h>
  37 #include <linux/platform_data/i2c-davinci.h>
  38 #include <mach/serial.h>
  39 #include <mach/mux.h>
  40 #include <linux/platform_data/mtd-davinci.h>
  41 #include <linux/platform_data/mmc-davinci.h>
  42 #include <linux/platform_data/usb-davinci.h>
  43 #include <linux/platform_data/mtd-davinci-aemif.h>
  44
  45 #include "davinci.h"
  46
  47 #define DM644X_EVM_PHY_ID               "davinci_mdio-0:01"
  48 #define LXT971_PHY_ID   (0x001378e2)
  49 #define LXT971_PHY_MASK (0xfffffff0)
  50
  51 static struct mtd_partition davinci_evm_norflash_partitions[] = {
  52         /* bootloader (UBL, U-Boot, etc) in first 5 sectors */
  53         {
  54                 .name           = "bootloader",
  55                 .offset         = 0,
  56                 .size           = 5 * SZ_64K,
  57                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
  58         },
  59         /* bootloader params in the next 1 sectors */
  60         {
  61                 .name           = "params",
  62                 .offset         = MTDPART_OFS_APPEND,
  63                 .size           = SZ_64K,
  64                 .mask_flags     = 0,
  65         },
  66         /* kernel */
  67         {
  68                 .name           = "kernel",
  69                 .offset         = MTDPART_OFS_APPEND,
  70                 .size           = SZ_2M,
  71                 .mask_flags     = 0
  72         },
  73         /* file system */
  74         {
  75                 .name           = "filesystem",
  76                 .offset         = MTDPART_OFS_APPEND,
  77                 .size           = MTDPART_SIZ_FULL,
  78                 .mask_flags     = 0
  79         }
  80 };
  81
  82 static struct physmap_flash_data davinci_evm_norflash_data = {
  83         .width          = 2,
  84         .parts          = davinci_evm_norflash_partitions,
  85         .nr_parts       = ARRAY_SIZE(davinci_evm_norflash_partitions),
  86 };
  87
  88 /* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF
  89  * limits addresses to 16M, so using addresses past 16M will wrap */
  90 static struct resource davinci_evm_norflash_resource = {
  91         .start          = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
  92         .end            = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
  93         .flags          = IORESOURCE_MEM,
  94 };
  95
  96 static struct platform_device davinci_evm_norflash_device = {
  97         .name           = "physmap-flash",
  98         .id             = 0,
  99         .dev            = {
 100                 .platform_data  = &davinci_evm_norflash_data,
 101         },
 102         .num_resources  = 1,
 103         .resource       = &davinci_evm_norflash_resource,
 104 };
 105
 106 /* DM644x EVM includes a 64 MByte small-page NAND flash (16K blocks).
 107  * It may used instead of the (default) NOR chip to boot, using TI's
 108  * tools to install the secondary boot loader (UBL) and U-Boot.
 109  */
 110 static struct mtd_partition davinci_evm_nandflash_partition[] = {
 111         /* Bootloader layout depends on whose u-boot is installed, but we
 112          * can hide all the details.
 113          *  - block 0 for u-boot environment ... in mainline u-boot
 114          *  - block 1 for UBL (plus up to four backup copies in blocks 2..5)
 115          *  - blocks 6...? for u-boot
 116          *  - blocks 16..23 for u-boot environment ... in TI's u-boot
 117          */
 118         {
 119                 .name           = "bootloader",
 120                 .offset         = 0,
 121                 .size           = SZ_256K + SZ_128K,
 122                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 123         },
 124         /* Kernel */
 125         {
 126                 .name           = "kernel",
 127                 .offset         = MTDPART_OFS_APPEND,
 128                 .size           = SZ_4M,
 129                 .mask_flags     = 0,
 130         },
 131         /* File system (older GIT kernels started this on the 5MB mark) */
 132         {
 133                 .name           = "filesystem",
 134                 .offset         = MTDPART_OFS_APPEND,
 135                 .size           = MTDPART_SIZ_FULL,
 136                 .mask_flags     = 0,
 137         }
 138         /* A few blocks at end hold a flash BBT ... created by TI's CCS
 139          * using flashwriter_nand.out, but ignored by TI's versions of
 140          * Linux and u-boot.  We boot faster by using them.
 141          */
 142 };
 143
 144 static struct davinci_aemif_timing davinci_evm_nandflash_timing = {
 145         .wsetup         = 20,
 146         .wstrobe        = 40,
 147         .whold          = 20,
 148         .rsetup         = 10,
 149         .rstrobe        = 40,
 150         .rhold          = 10,
 151         .ta             = 40,
 152 };
 153
 154 static struct davinci_nand_pdata davinci_evm_nandflash_data = {
 155         .parts          = davinci_evm_nandflash_partition,
 156         .nr_parts       = ARRAY_SIZE(davinci_evm_nandflash_partition),
 157         .ecc_mode       = NAND_ECC_HW,
 158         .ecc_bits       = 1,
 159         .bbt_options    = NAND_BBT_USE_FLASH,
 160         .timing         = &davinci_evm_nandflash_timing,
 161 };
 162
 163 static struct resource davinci_evm_nandflash_resource[] = {
 164         {
 165                 .start          = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
 166                 .end            = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
 167                 .flags          = IORESOURCE_MEM,
 168         }, {
 169                 .start          = DM644X_ASYNC_EMIF_CONTROL_BASE,
 170                 .end            = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 171                 .flags          = IORESOURCE_MEM,
 172         },
 173 };
 174
 175 static struct platform_device davinci_evm_nandflash_device = {
 176         .name           = "davinci_nand",
 177         .id             = 0,
 178         .dev            = {
 179                 .platform_data  = &davinci_evm_nandflash_data,
 180         },
 181         .num_resources  = ARRAY_SIZE(davinci_evm_nandflash_resource),
 182         .resource       = davinci_evm_nandflash_resource,
 183 };
 184
 185 static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32);
 186
 187 static struct platform_device davinci_fb_device = {
 188         .name           = "davincifb",
 189         .id             = -1,
 190         .dev = {
 191                 .dma_mask               = &davinci_fb_dma_mask,
 192                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 193         },
 194         .num_resources = 0,
 195 };
 196
 197 static struct tvp514x_platform_data dm644xevm_tvp5146_pdata = {
 198         .clk_polarity = 0,
 199         .hs_polarity = 1,
 200         .vs_polarity = 1
 201 };
 202
 203 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
 204 /* Inputs available at the TVP5146 */
 205 static struct v4l2_input dm644xevm_tvp5146_inputs[] = {
 206         {
 207                 .index = 0,
 208                 .name = "Composite",
 209                 .type = V4L2_INPUT_TYPE_CAMERA,
 210                 .std = TVP514X_STD_ALL,
 211         },
 212         {
 213                 .index = 1,
 214                 .name = "S-Video",
 215                 .type = V4L2_INPUT_TYPE_CAMERA,
 216                 .std = TVP514X_STD_ALL,
 217         },
 218 };
 219
 220 /*
 221  * this is the route info for connecting each input to decoder
 222  * ouput that goes to vpfe. There is a one to one correspondence
 223  * with tvp5146_inputs
 224  */
 225 static struct vpfe_route dm644xevm_tvp5146_routes[] = {
 226         {
 227                 .input = INPUT_CVBS_VI2B,
 228                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 229         },
 230         {
 231                 .input = INPUT_SVIDEO_VI2C_VI1C,
 232                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 233         },
 234 };
 235
 236 static struct vpfe_subdev_info dm644xevm_vpfe_sub_devs[] = {
 237         {
 238                 .name = "tvp5146",
 239                 .grp_id = 0,
 240                 .num_inputs = ARRAY_SIZE(dm644xevm_tvp5146_inputs),
 241                 .inputs = dm644xevm_tvp5146_inputs,
 242                 .routes = dm644xevm_tvp5146_routes,
 243                 .can_route = 1,
 244                 .ccdc_if_params = {
 245                         .if_type = VPFE_BT656,
 246                         .hdpol = VPFE_PINPOL_POSITIVE,
 247                         .vdpol = VPFE_PINPOL_POSITIVE,
 248                 },
 249                 .board_info = {
 250                         I2C_BOARD_INFO("tvp5146", 0x5d),
 251                         .platform_data = &dm644xevm_tvp5146_pdata,
 252                 },
 253         },
 254 };
 255
 256 static struct vpfe_config dm644xevm_capture_cfg = {
 257         .num_subdevs = ARRAY_SIZE(dm644xevm_vpfe_sub_devs),
 258         .i2c_adapter_id = 1,
 259         .sub_devs = dm644xevm_vpfe_sub_devs,
 260         .card_name = "DM6446 EVM",
 261         .ccdc = "DM6446 CCDC",
 262 };
 263
 264 static struct platform_device rtc_dev = {
 265         .name           = "rtc_davinci_evm",
 266         .id             = -1,
 267 };
 268
 269 /*----------------------------------------------------------------------*/
 270 #ifdef CONFIG_I2C
 271 /*
 272  * I2C GPIO expanders
 273  */
 274
 275 #define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8))
 276
 277
 278 /* U2 -- LEDs */
 279
 280 static struct gpio_led evm_leds[] = {
 281         { .name = "DS8", .active_low = 1,
 282                 .default_trigger = "heartbeat", },
 283         { .name = "DS7", .active_low = 1, },
 284         { .name = "DS6", .active_low = 1, },
 285         { .name = "DS5", .active_low = 1, },
 286         { .name = "DS4", .active_low = 1, },
 287         { .name = "DS3", .active_low = 1, },
 288         { .name = "DS2", .active_low = 1,
 289                 .default_trigger = "mmc0", },
 290         { .name = "DS1", .active_low = 1,
 291                 .default_trigger = "disk-activity", },
 292 };
 293
 294 static const struct gpio_led_platform_data evm_led_data = {
 295         .num_leds       = ARRAY_SIZE(evm_leds),
 296         .leds           = evm_leds,
 297 };
 298
 299 static struct platform_device *evm_led_dev;
 300
 301 static int
 302 evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 303 {
 304         struct gpio_led *leds = evm_leds;
 305         int status;
 306
 307         while (ngpio--) {
 308                 leds->gpio = gpio++;
 309                 leds++;
 310         }
 311
 312         /* what an extremely annoying way to be forced to handle
 313          * device unregistration ...
 314          */
 315         evm_led_dev = platform_device_alloc("leds-gpio", 0);
 316         platform_device_add_data(evm_led_dev,
 317                         &evm_led_data, sizeof evm_led_data);
 318
 319         evm_led_dev->dev.parent = &client->dev;
 320         status = platform_device_add(evm_led_dev);
 321         if (status < 0) {
 322                 platform_device_put(evm_led_dev);
 323                 evm_led_dev = NULL;
 324         }
 325         return status;
 326 }
 327
 328 static int
 329 evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 330 {
 331         if (evm_led_dev) {
 332                 platform_device_unregister(evm_led_dev);
 333                 evm_led_dev = NULL;
 334         }
 335         return 0;
 336 }
 337
 338 static struct pcf857x_platform_data pcf_data_u2 = {
 339         .gpio_base      = PCF_Uxx_BASE(0),
 340         .setup          = evm_led_setup,
 341         .teardown       = evm_led_teardown,
 342 };
 343
 344
 345 /* U18 - A/V clock generator and user switch */
 346
 347 static int sw_gpio;
 348
 349 static ssize_t
 350 sw_show(struct device *d, struct device_attribute *a, char *buf)
 351 {
 352         char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n";
 353
 354         strcpy(buf, s);
 355         return strlen(s);
 356 }
 357
 358 static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL);
 359
 360 static int
 361 evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 362 {
 363         int     status;
 364
 365         /* export dip switch option */
 366         sw_gpio = gpio + 7;
 367         status = gpio_request(sw_gpio, "user_sw");
 368         if (status == 0)
 369                 status = gpio_direction_input(sw_gpio);
 370         if (status == 0)
 371                 status = device_create_file(&client->dev, &dev_attr_user_sw);
 372         else
 373                 gpio_free(sw_gpio);
 374         if (status != 0)
 375                 sw_gpio = -EINVAL;
 376
 377         /* audio PLL:  48 kHz (vs 44.1 or 32), single rate (vs double) */
 378         gpio_request(gpio + 3, "pll_fs2");
 379         gpio_direction_output(gpio + 3, 0);
 380
 381         gpio_request(gpio + 2, "pll_fs1");
 382         gpio_direction_output(gpio + 2, 0);
 383
 384         gpio_request(gpio + 1, "pll_sr");
 385         gpio_direction_output(gpio + 1, 0);
 386
 387         return 0;
 388 }
 389
 390 static int
 391 evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 392 {
 393         gpio_free(gpio + 1);
 394         gpio_free(gpio + 2);
 395         gpio_free(gpio + 3);
 396
 397         if (sw_gpio > 0) {
 398                 device_remove_file(&client->dev, &dev_attr_user_sw);
 399                 gpio_free(sw_gpio);
 400         }
 401         return 0;
 402 }
 403
 404 static struct pcf857x_platform_data pcf_data_u18 = {
 405         .gpio_base      = PCF_Uxx_BASE(1),
 406         .n_latch        = (1 << 3) | (1 << 2) | (1 << 1),
 407         .setup          = evm_u18_setup,
 408         .teardown       = evm_u18_teardown,
 409 };
 410
 411
 412 /* U35 - various I/O signals used to manage USB, CF, ATA, etc */
 413
 414 static int
 415 evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 416 {
 417         /* p0 = nDRV_VBUS (initial:  don't supply it) */
 418         gpio_request(gpio + 0, "nDRV_VBUS");
 419         gpio_direction_output(gpio + 0, 1);
 420
 421         /* p1 = VDDIMX_EN */
 422         gpio_request(gpio + 1, "VDDIMX_EN");
 423         gpio_direction_output(gpio + 1, 1);
 424
 425         /* p2 = VLYNQ_EN */
 426         gpio_request(gpio + 2, "VLYNQ_EN");
 427         gpio_direction_output(gpio + 2, 1);
 428
 429         /* p3 = n3V3_CF_RESET (initial: stay in reset) */
 430         gpio_request(gpio + 3, "nCF_RESET");
 431         gpio_direction_output(gpio + 3, 0);
 432
 433         /* (p4 unused) */
 434
 435         /* p5 = 1V8_WLAN_RESET (initial: stay in reset) */
 436         gpio_request(gpio + 5, "WLAN_RESET");
 437         gpio_direction_output(gpio + 5, 1);
 438
 439         /* p6 = nATA_SEL (initial: select) */
 440         gpio_request(gpio + 6, "nATA_SEL");
 441         gpio_direction_output(gpio + 6, 0);
 442
 443         /* p7 = nCF_SEL (initial: deselect) */
 444         gpio_request(gpio + 7, "nCF_SEL");
 445         gpio_direction_output(gpio + 7, 1);
 446
 447         return 0;
 448 }
 449
 450 static int
 451 evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 452 {
 453         gpio_free(gpio + 7);
 454         gpio_free(gpio + 6);
 455         gpio_free(gpio + 5);
 456         gpio_free(gpio + 3);
 457         gpio_free(gpio + 2);
 458         gpio_free(gpio + 1);
 459         gpio_free(gpio + 0);
 460         return 0;
 461 }
 462
 463 static struct pcf857x_platform_data pcf_data_u35 = {
 464         .gpio_base      = PCF_Uxx_BASE(2),
 465         .setup          = evm_u35_setup,
 466         .teardown       = evm_u35_teardown,
 467 };
 468
 469 /*----------------------------------------------------------------------*/
 470
 471 /* Most of this EEPROM is unused, but U-Boot uses some data:
 472  *  - 0x7f00, 6 bytes Ethernet Address
 473  *  - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
 474  *  - ... newer boards may have more
 475  */
 476
 477 static struct at24_platform_data eeprom_info = {
 478         .byte_len       = (256*1024) / 8,
 479         .page_size      = 64,
 480         .flags          = AT24_FLAG_ADDR16,
 481         .setup          = davinci_get_mac_addr,
 482         .context        = (void *)0x7f00,
 483 };
 484
 485 /*
 486  * MSP430 supports RTC, card detection, input from IR remote, and
 487  * a bit more.  It triggers interrupts on GPIO(7) from pressing
 488  * buttons on the IR remote, and for card detect switches.
 489  */
 490 static struct i2c_client *dm6446evm_msp;
 491
 492 static int dm6446evm_msp_probe(struct i2c_client *client,
 493                 const struct i2c_device_id *id)
 494 {
 495         dm6446evm_msp = client;
 496         return 0;
 497 }
 498
 499 static int dm6446evm_msp_remove(struct i2c_client *client)
 500 {
 501         dm6446evm_msp = NULL;
 502         return 0;
 503 }
 504
 505 static const struct i2c_device_id dm6446evm_msp_ids[] = {
 506         { "dm6446evm_msp", 0, },
 507         { /* end of list */ },
 508 };
 509
 510 static struct i2c_driver dm6446evm_msp_driver = {
 511         .driver.name    = "dm6446evm_msp",
 512         .id_table       = dm6446evm_msp_ids,
 513         .probe          = dm6446evm_msp_probe,
 514         .remove         = dm6446evm_msp_remove,
 515 };
 516
 517 static int dm6444evm_msp430_get_pins(void)
 518 {
 519         static const char txbuf[2] = { 2, 4, };
 520         char buf[4];
 521         struct i2c_msg msg[2] = {
 522                 {
 523                         .flags = 0,
 524                         .len = 2,
 525                         .buf = (void __force *)txbuf,
 526                 },
 527                 {
 528                         .flags = I2C_M_RD,
 529                         .len = 4,
 530                         .buf = buf,
 531                 },
 532         };
 533         int status;
 534
 535         if (!dm6446evm_msp)
 536                 return -ENXIO;
 537
 538         msg[0].addr = dm6446evm_msp->addr;
 539         msg[1].addr = dm6446evm_msp->addr;
 540
 541         /* Command 4 == get input state, returns port 2 and port3 data
 542          *   S Addr W [A] len=2 [A] cmd=4 [A]
 543          *   RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P
 544          */
 545         status = i2c_transfer(dm6446evm_msp->adapter, msg, 2);
 546         if (status < 0)
 547                 return status;
 548
 549         dev_dbg(&dm6446evm_msp->dev, "PINS: %4ph\n", buf);
 550
 551         return (buf[3] << 8) | buf[2];
 552 }
 553
 554 static int dm6444evm_mmc_get_cd(int module)
 555 {
 556         int status = dm6444evm_msp430_get_pins();
 557
 558         return (status < 0) ? status : !(status & BIT(1));
 559 }
 560
 561 static int dm6444evm_mmc_get_ro(int module)
 562 {
 563         int status = dm6444evm_msp430_get_pins();
 564
 565         return (status < 0) ? status : status & BIT(6 + 8);
 566 }
 567
 568 static struct davinci_mmc_config dm6446evm_mmc_config = {
 569         .get_cd         = dm6444evm_mmc_get_cd,
 570         .get_ro         = dm6444evm_mmc_get_ro,
 571         .wires          = 4,
 572 };
 573
 574 static struct i2c_board_info __initdata i2c_info[] =  {
 575         {
 576                 I2C_BOARD_INFO("dm6446evm_msp", 0x23),
 577         },
 578         {
 579                 I2C_BOARD_INFO("pcf8574", 0x38),
 580                 .platform_data  = &pcf_data_u2,
 581         },
 582         {
 583                 I2C_BOARD_INFO("pcf8574", 0x39),
 584                 .platform_data  = &pcf_data_u18,
 585         },
 586         {
 587                 I2C_BOARD_INFO("pcf8574", 0x3a),
 588                 .platform_data  = &pcf_data_u35,
 589         },
 590         {
 591                 I2C_BOARD_INFO("24c256", 0x50),
 592                 .platform_data  = &eeprom_info,
 593         },
 594         {
 595                 I2C_BOARD_INFO("tlv320aic33", 0x1b),
 596         },
 597 };
 598
 599 static struct gpiod_lookup_table i2c_recovery_gpiod_table = {
 600         .dev_id = "i2c_davinci",
 601         .table = {
 602                 GPIO_LOOKUP("davinci_gpio", 44, "sda",
 603                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 604                 GPIO_LOOKUP("davinci_gpio", 43, "scl",
 605                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 606         },
 607 };
 608
 609 /* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
 610  * which requires 100 usec of idle bus after i2c writes sent to it.
 611  */
 612 static struct davinci_i2c_platform_data i2c_pdata = {
 613         .bus_freq       = 20 /* kHz */,
 614         .bus_delay      = 100 /* usec */,
 615         .gpio_recovery  = true,
 616 };
 617
 618 static void __init evm_init_i2c(void)
 619 {
 620         gpiod_add_lookup_table(&i2c_recovery_gpiod_table);
 621         davinci_init_i2c(&i2c_pdata);
 622         i2c_add_driver(&dm6446evm_msp_driver);
 623         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 624 }
 625 #endif
 626
 627 #define VENC_STD_ALL    (V4L2_STD_NTSC | V4L2_STD_PAL)
 628
 629 /* venc standard timings */
 630 static struct vpbe_enc_mode_info dm644xevm_enc_std_timing[] = {
 631         {
 632                 .name           = "ntsc",
 633                 .timings_type   = VPBE_ENC_STD,
 634                 .std_id         = V4L2_STD_NTSC,
 635                 .interlaced     = 1,
 636                 .xres           = 720,
 637                 .yres           = 480,
 638                 .aspect         = {11, 10},
 639                 .fps            = {30000, 1001},
 640                 .left_margin    = 0x79,
 641                 .upper_margin   = 0x10,
 642         },
 643         {
 644                 .name           = "pal",
 645                 .timings_type   = VPBE_ENC_STD,
 646                 .std_id         = V4L2_STD_PAL,
 647                 .interlaced     = 1,
 648                 .xres           = 720,
 649                 .yres           = 576,
 650                 .aspect         = {54, 59},
 651                 .fps            = {25, 1},
 652                 .left_margin    = 0x7e,
 653                 .upper_margin   = 0x16,
 654         },
 655 };
 656
 657 /* venc dv preset timings */
 658 static struct vpbe_enc_mode_info dm644xevm_enc_preset_timing[] = {
 659         {
 660                 .name           = "480p59_94",
 661                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 662                 .dv_timings     = V4L2_DV_BT_CEA_720X480P59_94,
 663                 .interlaced     = 0,
 664                 .xres           = 720,
 665                 .yres           = 480,
 666                 .aspect         = {1, 1},
 667                 .fps            = {5994, 100},
 668                 .left_margin    = 0x80,
 669                 .upper_margin   = 0x20,
 670         },
 671         {
 672                 .name           = "576p50",
 673                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 674                 .dv_timings     = V4L2_DV_BT_CEA_720X576P50,
 675                 .interlaced     = 0,
 676                 .xres           = 720,
 677                 .yres           = 576,
 678                 .aspect         = {1, 1},
 679                 .fps            = {50, 1},
 680                 .left_margin    = 0x7e,
 681                 .upper_margin   = 0x30,
 682         },
 683 };
 684
 685 /*
 686  * The outputs available from VPBE + encoders. Keep the order same
 687  * as that of encoders. First those from venc followed by that from
 688  * encoders. Index in the output refers to index on a particular encoder.
 689  * Driver uses this index to pass it to encoder when it supports more
 690  * than one output. Userspace applications use index of the array to
 691  * set an output.
 692  */
 693 static struct vpbe_output dm644xevm_vpbe_outputs[] = {
 694         {
 695                 .output         = {
 696                         .index          = 0,
 697                         .name           = "Composite",
 698                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 699                         .std            = VENC_STD_ALL,
 700                         .capabilities   = V4L2_OUT_CAP_STD,
 701                 },
 702                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 703                 .default_mode   = "ntsc",
 704                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_std_timing),
 705                 .modes          = dm644xevm_enc_std_timing,
 706         },
 707         {
 708                 .output         = {
 709                         .index          = 1,
 710                         .name           = "Component",
 711                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 712                         .capabilities   = V4L2_OUT_CAP_DV_TIMINGS,
 713                 },
 714                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 715                 .default_mode   = "480p59_94",
 716                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_preset_timing),
 717                 .modes          = dm644xevm_enc_preset_timing,
 718         },
 719 };
 720
 721 static struct vpbe_config dm644xevm_display_cfg = {
 722         .module_name    = "dm644x-vpbe-display",
 723         .i2c_adapter_id = 1,
 724         .osd            = {
 725                 .module_name    = DM644X_VPBE_OSD_SUBDEV_NAME,
 726         },
 727         .venc           = {
 728                 .module_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 729         },
 730         .num_outputs    = ARRAY_SIZE(dm644xevm_vpbe_outputs),
 731         .outputs        = dm644xevm_vpbe_outputs,
 732 };
 733
 734 static struct platform_device *davinci_evm_devices[] __initdata = {
 735         &davinci_fb_device,
 736         &rtc_dev,
 737 };
 738
 739 static void __init
 740 davinci_evm_map_io(void)
 741 {
 742         dm644x_init();
 743 }
 744
 745 static int davinci_phy_fixup(struct phy_device *phydev)
 746 {
 747         unsigned int control;
 748         /* CRITICAL: Fix for increasing PHY signal drive strength for
 749          * TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY
 750          * signal strength was low causing  TX to fail randomly. The
 751          * fix is to Set bit 11 (Increased MII drive strength) of PHY
 752          * register 26 (Digital Config register) on this phy. */
 753         control = phy_read(phydev, 26);
 754         phy_write(phydev, 26, (control | 0x800));
 755         return 0;
 756 }
 757
 758 #define HAS_ATA         (IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
 759                          IS_ENABLED(CONFIG_PATA_BK3710))
 760
 761 #define HAS_NOR         IS_ENABLED(CONFIG_MTD_PHYSMAP)
 762
 763 #define HAS_NAND        IS_ENABLED(CONFIG_MTD_NAND_DAVINCI)
 764
 765 static __init void davinci_evm_init(void)
 766 {
 767         int ret;
 768         struct clk *aemif_clk;
 769         struct davinci_soc_info *soc_info = &davinci_soc_info;
 770
 771         ret = dm644x_gpio_register();
 772         if (ret)
 773                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 774
 775         aemif_clk = clk_get(NULL, "aemif");
 776         clk_prepare_enable(aemif_clk);
 777
 778         if (HAS_ATA) {
 779                 if (HAS_NAND || HAS_NOR)
 780                         pr_warn("WARNING: both IDE and Flash are enabled, but they share AEMIF pins\n"
 781                                 "\tDisable IDE for NAND/NOR support\n");
 782                 davinci_init_ide();
 783         } else if (HAS_NAND || HAS_NOR) {
 784                 davinci_cfg_reg(DM644X_HPIEN_DISABLE);
 785                 davinci_cfg_reg(DM644X_ATAEN_DISABLE);
 786
 787                 /* only one device will be jumpered and detected */
 788                 if (HAS_NAND) {
 789                         platform_device_register(&davinci_evm_nandflash_device);
 790
 791                         if (davinci_aemif_setup(&davinci_evm_nandflash_device))
 792                                 pr_warn("%s: Cannot configure AEMIF\n",
 793                                         __func__);
 794
 795 #ifdef CONFIG_I2C
 796                         evm_leds[7].default_trigger = "nand-disk";
 797 #endif
 798                         if (HAS_NOR)
 799                                 pr_warn("WARNING: both NAND and NOR flash are enabled; disable one of them.\n");
 800                 } else if (HAS_NOR)
 801                         platform_device_register(&davinci_evm_norflash_device);
 802         }
 803
 804         platform_add_devices(davinci_evm_devices,
 805                              ARRAY_SIZE(davinci_evm_devices));
 806 #ifdef CONFIG_I2C
 807         evm_init_i2c();
 808         davinci_setup_mmc(0, &dm6446evm_mmc_config);
 809 #endif
 810         dm644x_init_video(&dm644xevm_capture_cfg, &dm644xevm_display_cfg);
 811
 812         davinci_serial_init(dm644x_serial_device);
 813         dm644x_init_asp();
 814
 815         /* irlml6401 switches over 1A, in under 8 msec */
 816         davinci_setup_usb(1000, 8);
 817
 818         if (IS_BUILTIN(CONFIG_PHYLIB)) {
 819                 soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID;
 820                 /* Register the fixup for PHY on DaVinci */
 821                 phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
 822                                                 davinci_phy_fixup);
 823         }
 824 }
 825
 826 MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
 827         /* Maintainer: MontaVista Software <source@mvista.com> */
 828         .atag_offset  = 0x100,
 829         .map_io       = davinci_evm_map_io,
 830         .init_irq     = davinci_irq_init,
 831         .init_time      = davinci_timer_init,
 832         .init_machine = davinci_evm_init,
 833         .init_late      = davinci_init_late,
 834         .dma_zone_size  = SZ_128M,
 835         .restart        = davinci_restart,
 836 MACHINE_END