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/gpio-davinci.h>
  20 #include <linux/property.h>
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/rawnand.h>
  23 #include <linux/mtd/partitions.h>
  24 #include <linux/mtd/physmap.h>
  25 #include <linux/nvmem-provider.h>
  26 #include <linux/phy.h>
  27 #include <linux/clk.h>
  28 #include <linux/videodev2.h>
  29 #include <linux/v4l2-dv-timings.h>
  30 #include <linux/export.h>
  31 #include <linux/leds.h>
  32 #include <linux/regulator/fixed.h>
  33 #include <linux/regulator/machine.h>
  34
  35 #include <media/i2c/tvp514x.h>
  36
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39
  40 #include <mach/common.h>
  41 #include <mach/mux.h>
  42 #include <mach/serial.h>
  43
  44 #include <linux/platform_data/i2c-davinci.h>
  45 #include <linux/platform_data/mtd-davinci.h>
  46 #include <linux/platform_data/mmc-davinci.h>
  47 #include <linux/platform_data/usb-davinci.h>
  48 #include <linux/platform_data/mtd-davinci-aemif.h>
  49 #include <linux/platform_data/ti-aemif.h>
  50
  51 #include "davinci.h"
  52 #include "irqs.h"
  53
  54 #define DM644X_EVM_PHY_ID               "davinci_mdio-0:01"
  55 #define LXT971_PHY_ID   (0x001378e2)
  56 #define LXT971_PHY_MASK (0xfffffff0)
  57
  58 static struct mtd_partition davinci_evm_norflash_partitions[] = {
  59         /* bootloader (UBL, U-Boot, etc) in first 5 sectors */
  60         {
  61                 .name           = "bootloader",
  62                 .offset         = 0,
  63                 .size           = 5 * SZ_64K,
  64                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
  65         },
  66         /* bootloader params in the next 1 sectors */
  67         {
  68                 .name           = "params",
  69                 .offset         = MTDPART_OFS_APPEND,
  70                 .size           = SZ_64K,
  71                 .mask_flags     = 0,
  72         },
  73         /* kernel */
  74         {
  75                 .name           = "kernel",
  76                 .offset         = MTDPART_OFS_APPEND,
  77                 .size           = SZ_2M,
  78                 .mask_flags     = 0
  79         },
  80         /* file system */
  81         {
  82                 .name           = "filesystem",
  83                 .offset         = MTDPART_OFS_APPEND,
  84                 .size           = MTDPART_SIZ_FULL,
  85                 .mask_flags     = 0
  86         }
  87 };
  88
  89 static struct physmap_flash_data davinci_evm_norflash_data = {
  90         .width          = 2,
  91         .parts          = davinci_evm_norflash_partitions,
  92         .nr_parts       = ARRAY_SIZE(davinci_evm_norflash_partitions),
  93 };
  94
  95 /* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF
  96  * limits addresses to 16M, so using addresses past 16M will wrap */
  97 static struct resource davinci_evm_norflash_resource = {
  98         .start          = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
  99         .end            = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
 100         .flags          = IORESOURCE_MEM,
 101 };
 102
 103 static struct platform_device davinci_evm_norflash_device = {
 104         .name           = "physmap-flash",
 105         .id             = 0,
 106         .dev            = {
 107                 .platform_data  = &davinci_evm_norflash_data,
 108         },
 109         .num_resources  = 1,
 110         .resource       = &davinci_evm_norflash_resource,
 111 };
 112
 113 /* DM644x EVM includes a 64 MByte small-page NAND flash (16K blocks).
 114  * It may used instead of the (default) NOR chip to boot, using TI's
 115  * tools to install the secondary boot loader (UBL) and U-Boot.
 116  */
 117 static struct mtd_partition davinci_evm_nandflash_partition[] = {
 118         /* Bootloader layout depends on whose u-boot is installed, but we
 119          * can hide all the details.
 120          *  - block 0 for u-boot environment ... in mainline u-boot
 121          *  - block 1 for UBL (plus up to four backup copies in blocks 2..5)
 122          *  - blocks 6...? for u-boot
 123          *  - blocks 16..23 for u-boot environment ... in TI's u-boot
 124          */
 125         {
 126                 .name           = "bootloader",
 127                 .offset         = 0,
 128                 .size           = SZ_256K + SZ_128K,
 129                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 130         },
 131         /* Kernel */
 132         {
 133                 .name           = "kernel",
 134                 .offset         = MTDPART_OFS_APPEND,
 135                 .size           = SZ_4M,
 136                 .mask_flags     = 0,
 137         },
 138         /* File system (older GIT kernels started this on the 5MB mark) */
 139         {
 140                 .name           = "filesystem",
 141                 .offset         = MTDPART_OFS_APPEND,
 142                 .size           = MTDPART_SIZ_FULL,
 143                 .mask_flags     = 0,
 144         }
 145         /* A few blocks at end hold a flash BBT ... created by TI's CCS
 146          * using flashwriter_nand.out, but ignored by TI's versions of
 147          * Linux and u-boot.  We boot faster by using them.
 148          */
 149 };
 150
 151 static struct davinci_aemif_timing davinci_evm_nandflash_timing = {
 152         .wsetup         = 20,
 153         .wstrobe        = 40,
 154         .whold          = 20,
 155         .rsetup         = 10,
 156         .rstrobe        = 40,
 157         .rhold          = 10,
 158         .ta             = 40,
 159 };
 160
 161 static struct davinci_nand_pdata davinci_evm_nandflash_data = {
 162         .core_chipsel   = 0,
 163         .parts          = davinci_evm_nandflash_partition,
 164         .nr_parts       = ARRAY_SIZE(davinci_evm_nandflash_partition),
 165         .ecc_mode       = NAND_ECC_HW,
 166         .ecc_bits       = 1,
 167         .bbt_options    = NAND_BBT_USE_FLASH,
 168         .timing         = &davinci_evm_nandflash_timing,
 169 };
 170
 171 static struct resource davinci_evm_nandflash_resource[] = {
 172         {
 173                 .start          = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
 174                 .end            = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
 175                 .flags          = IORESOURCE_MEM,
 176         }, {
 177                 .start          = DM644X_ASYNC_EMIF_CONTROL_BASE,
 178                 .end            = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 179                 .flags          = IORESOURCE_MEM,
 180         },
 181 };
 182
 183 static struct resource davinci_evm_aemif_resource[] = {
 184         {
 185                 .start          = DM644X_ASYNC_EMIF_CONTROL_BASE,
 186                 .end            = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 187                 .flags          = IORESOURCE_MEM,
 188         },
 189 };
 190
 191 static struct aemif_abus_data davinci_evm_aemif_abus_data[] = {
 192         {
 193                 .cs             = 1,
 194         },
 195 };
 196
 197 static struct platform_device davinci_evm_nandflash_devices[] = {
 198         {
 199                 .name           = "davinci_nand",
 200                 .id             = 0,
 201                 .dev            = {
 202                         .platform_data  = &davinci_evm_nandflash_data,
 203                 },
 204                 .num_resources  = ARRAY_SIZE(davinci_evm_nandflash_resource),
 205                 .resource       = davinci_evm_nandflash_resource,
 206         },
 207 };
 208
 209 static struct aemif_platform_data davinci_evm_aemif_pdata = {
 210         .abus_data = davinci_evm_aemif_abus_data,
 211         .num_abus_data = ARRAY_SIZE(davinci_evm_aemif_abus_data),
 212         .sub_devices = davinci_evm_nandflash_devices,
 213         .num_sub_devices = ARRAY_SIZE(davinci_evm_nandflash_devices),
 214 };
 215
 216 static struct platform_device davinci_evm_aemif_device = {
 217         .name                   = "ti-aemif",
 218         .id                     = -1,
 219         .dev = {
 220                 .platform_data  = &davinci_evm_aemif_pdata,
 221         },
 222         .resource               = davinci_evm_aemif_resource,
 223         .num_resources          = ARRAY_SIZE(davinci_evm_aemif_resource),
 224 };
 225
 226 static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32);
 227
 228 static struct platform_device davinci_fb_device = {
 229         .name           = "davincifb",
 230         .id             = -1,
 231         .dev = {
 232                 .dma_mask               = &davinci_fb_dma_mask,
 233                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 234         },
 235         .num_resources = 0,
 236 };
 237
 238 static struct tvp514x_platform_data dm644xevm_tvp5146_pdata = {
 239         .clk_polarity = 0,
 240         .hs_polarity = 1,
 241         .vs_polarity = 1
 242 };
 243
 244 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
 245 /* Inputs available at the TVP5146 */
 246 static struct v4l2_input dm644xevm_tvp5146_inputs[] = {
 247         {
 248                 .index = 0,
 249                 .name = "Composite",
 250                 .type = V4L2_INPUT_TYPE_CAMERA,
 251                 .std = TVP514X_STD_ALL,
 252         },
 253         {
 254                 .index = 1,
 255                 .name = "S-Video",
 256                 .type = V4L2_INPUT_TYPE_CAMERA,
 257                 .std = TVP514X_STD_ALL,
 258         },
 259 };
 260
 261 /*
 262  * this is the route info for connecting each input to decoder
 263  * ouput that goes to vpfe. There is a one to one correspondence
 264  * with tvp5146_inputs
 265  */
 266 static struct vpfe_route dm644xevm_tvp5146_routes[] = {
 267         {
 268                 .input = INPUT_CVBS_VI2B,
 269                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 270         },
 271         {
 272                 .input = INPUT_SVIDEO_VI2C_VI1C,
 273                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 274         },
 275 };
 276
 277 static struct vpfe_subdev_info dm644xevm_vpfe_sub_devs[] = {
 278         {
 279                 .name = "tvp5146",
 280                 .grp_id = 0,
 281                 .num_inputs = ARRAY_SIZE(dm644xevm_tvp5146_inputs),
 282                 .inputs = dm644xevm_tvp5146_inputs,
 283                 .routes = dm644xevm_tvp5146_routes,
 284                 .can_route = 1,
 285                 .ccdc_if_params = {
 286                         .if_type = VPFE_BT656,
 287                         .hdpol = VPFE_PINPOL_POSITIVE,
 288                         .vdpol = VPFE_PINPOL_POSITIVE,
 289                 },
 290                 .board_info = {
 291                         I2C_BOARD_INFO("tvp5146", 0x5d),
 292                         .platform_data = &dm644xevm_tvp5146_pdata,
 293                 },
 294         },
 295 };
 296
 297 static struct vpfe_config dm644xevm_capture_cfg = {
 298         .num_subdevs = ARRAY_SIZE(dm644xevm_vpfe_sub_devs),
 299         .i2c_adapter_id = 1,
 300         .sub_devs = dm644xevm_vpfe_sub_devs,
 301         .card_name = "DM6446 EVM",
 302         .ccdc = "DM6446 CCDC",
 303 };
 304
 305 static struct platform_device rtc_dev = {
 306         .name           = "rtc_davinci_evm",
 307         .id             = -1,
 308 };
 309
 310 /*----------------------------------------------------------------------*/
 311 #ifdef CONFIG_I2C
 312 /*
 313  * I2C GPIO expanders
 314  */
 315
 316 #define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8))
 317
 318
 319 /* U2 -- LEDs */
 320
 321 static struct gpio_led evm_leds[] = {
 322         { .name = "DS8", .active_low = 1,
 323                 .default_trigger = "heartbeat", },
 324         { .name = "DS7", .active_low = 1, },
 325         { .name = "DS6", .active_low = 1, },
 326         { .name = "DS5", .active_low = 1, },
 327         { .name = "DS4", .active_low = 1, },
 328         { .name = "DS3", .active_low = 1, },
 329         { .name = "DS2", .active_low = 1,
 330                 .default_trigger = "mmc0", },
 331         { .name = "DS1", .active_low = 1,
 332                 .default_trigger = "disk-activity", },
 333 };
 334
 335 static const struct gpio_led_platform_data evm_led_data = {
 336         .num_leds       = ARRAY_SIZE(evm_leds),
 337         .leds           = evm_leds,
 338 };
 339
 340 static struct platform_device *evm_led_dev;
 341
 342 static int
 343 evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 344 {
 345         struct gpio_led *leds = evm_leds;
 346         int status;
 347
 348         while (ngpio--) {
 349                 leds->gpio = gpio++;
 350                 leds++;
 351         }
 352
 353         /* what an extremely annoying way to be forced to handle
 354          * device unregistration ...
 355          */
 356         evm_led_dev = platform_device_alloc("leds-gpio", 0);
 357         platform_device_add_data(evm_led_dev,
 358                         &evm_led_data, sizeof evm_led_data);
 359
 360         evm_led_dev->dev.parent = &client->dev;
 361         status = platform_device_add(evm_led_dev);
 362         if (status < 0) {
 363                 platform_device_put(evm_led_dev);
 364                 evm_led_dev = NULL;
 365         }
 366         return status;
 367 }
 368
 369 static int
 370 evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 371 {
 372         if (evm_led_dev) {
 373                 platform_device_unregister(evm_led_dev);
 374                 evm_led_dev = NULL;
 375         }
 376         return 0;
 377 }
 378
 379 static struct pcf857x_platform_data pcf_data_u2 = {
 380         .gpio_base      = PCF_Uxx_BASE(0),
 381         .setup          = evm_led_setup,
 382         .teardown       = evm_led_teardown,
 383 };
 384
 385
 386 /* U18 - A/V clock generator and user switch */
 387
 388 static int sw_gpio;
 389
 390 static ssize_t
 391 sw_show(struct device *d, struct device_attribute *a, char *buf)
 392 {
 393         char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n";
 394
 395         strcpy(buf, s);
 396         return strlen(s);
 397 }
 398
 399 static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL);
 400
 401 static int
 402 evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 403 {
 404         int     status;
 405
 406         /* export dip switch option */
 407         sw_gpio = gpio + 7;
 408         status = gpio_request(sw_gpio, "user_sw");
 409         if (status == 0)
 410                 status = gpio_direction_input(sw_gpio);
 411         if (status == 0)
 412                 status = device_create_file(&client->dev, &dev_attr_user_sw);
 413         else
 414                 gpio_free(sw_gpio);
 415         if (status != 0)
 416                 sw_gpio = -EINVAL;
 417
 418         /* audio PLL:  48 kHz (vs 44.1 or 32), single rate (vs double) */
 419         gpio_request(gpio + 3, "pll_fs2");
 420         gpio_direction_output(gpio + 3, 0);
 421
 422         gpio_request(gpio + 2, "pll_fs1");
 423         gpio_direction_output(gpio + 2, 0);
 424
 425         gpio_request(gpio + 1, "pll_sr");
 426         gpio_direction_output(gpio + 1, 0);
 427
 428         return 0;
 429 }
 430
 431 static int
 432 evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 433 {
 434         gpio_free(gpio + 1);
 435         gpio_free(gpio + 2);
 436         gpio_free(gpio + 3);
 437
 438         if (sw_gpio > 0) {
 439                 device_remove_file(&client->dev, &dev_attr_user_sw);
 440                 gpio_free(sw_gpio);
 441         }
 442         return 0;
 443 }
 444
 445 static struct pcf857x_platform_data pcf_data_u18 = {
 446         .gpio_base      = PCF_Uxx_BASE(1),
 447         .n_latch        = (1 << 3) | (1 << 2) | (1 << 1),
 448         .setup          = evm_u18_setup,
 449         .teardown       = evm_u18_teardown,
 450 };
 451
 452
 453 /* U35 - various I/O signals used to manage USB, CF, ATA, etc */
 454
 455 static int
 456 evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 457 {
 458         /* p0 = nDRV_VBUS (initial:  don't supply it) */
 459         gpio_request(gpio + 0, "nDRV_VBUS");
 460         gpio_direction_output(gpio + 0, 1);
 461
 462         /* p1 = VDDIMX_EN */
 463         gpio_request(gpio + 1, "VDDIMX_EN");
 464         gpio_direction_output(gpio + 1, 1);
 465
 466         /* p2 = VLYNQ_EN */
 467         gpio_request(gpio + 2, "VLYNQ_EN");
 468         gpio_direction_output(gpio + 2, 1);
 469
 470         /* p3 = n3V3_CF_RESET (initial: stay in reset) */
 471         gpio_request(gpio + 3, "nCF_RESET");
 472         gpio_direction_output(gpio + 3, 0);
 473
 474         /* (p4 unused) */
 475
 476         /* p5 = 1V8_WLAN_RESET (initial: stay in reset) */
 477         gpio_request(gpio + 5, "WLAN_RESET");
 478         gpio_direction_output(gpio + 5, 1);
 479
 480         /* p6 = nATA_SEL (initial: select) */
 481         gpio_request(gpio + 6, "nATA_SEL");
 482         gpio_direction_output(gpio + 6, 0);
 483
 484         /* p7 = nCF_SEL (initial: deselect) */
 485         gpio_request(gpio + 7, "nCF_SEL");
 486         gpio_direction_output(gpio + 7, 1);
 487
 488         return 0;
 489 }
 490
 491 static int
 492 evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 493 {
 494         gpio_free(gpio + 7);
 495         gpio_free(gpio + 6);
 496         gpio_free(gpio + 5);
 497         gpio_free(gpio + 3);
 498         gpio_free(gpio + 2);
 499         gpio_free(gpio + 1);
 500         gpio_free(gpio + 0);
 501         return 0;
 502 }
 503
 504 static struct pcf857x_platform_data pcf_data_u35 = {
 505         .gpio_base      = PCF_Uxx_BASE(2),
 506         .setup          = evm_u35_setup,
 507         .teardown       = evm_u35_teardown,
 508 };
 509
 510 /*----------------------------------------------------------------------*/
 511
 512 /* Most of this EEPROM is unused, but U-Boot uses some data:
 513  *  - 0x7f00, 6 bytes Ethernet Address
 514  *  - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
 515  *  - ... newer boards may have more
 516  */
 517
 518 static struct nvmem_cell_info dm644evm_nvmem_cells[] = {
 519         {
 520                 .name           = "macaddr",
 521                 .offset         = 0x7f00,
 522                 .bytes          = ETH_ALEN,
 523         }
 524 };
 525
 526 static struct nvmem_cell_table dm644evm_nvmem_cell_table = {
 527         .nvmem_name     = "1-00500",
 528         .cells          = dm644evm_nvmem_cells,
 529         .ncells         = ARRAY_SIZE(dm644evm_nvmem_cells),
 530 };
 531
 532 static struct nvmem_cell_lookup dm644evm_nvmem_cell_lookup = {
 533         .nvmem_name     = "1-00500",
 534         .cell_name      = "macaddr",
 535         .dev_id         = "davinci_emac.1",
 536         .con_id         = "mac-address",
 537 };
 538
 539 static const struct property_entry eeprom_properties[] = {
 540         PROPERTY_ENTRY_U32("pagesize", 64),
 541         { }
 542 };
 543
 544 /*
 545  * MSP430 supports RTC, card detection, input from IR remote, and
 546  * a bit more.  It triggers interrupts on GPIO(7) from pressing
 547  * buttons on the IR remote, and for card detect switches.
 548  */
 549 static struct i2c_client *dm6446evm_msp;
 550
 551 static int dm6446evm_msp_probe(struct i2c_client *client,
 552                 const struct i2c_device_id *id)
 553 {
 554         dm6446evm_msp = client;
 555         return 0;
 556 }
 557
 558 static int dm6446evm_msp_remove(struct i2c_client *client)
 559 {
 560         dm6446evm_msp = NULL;
 561         return 0;
 562 }
 563
 564 static const struct i2c_device_id dm6446evm_msp_ids[] = {
 565         { "dm6446evm_msp", 0, },
 566         { /* end of list */ },
 567 };
 568
 569 static struct i2c_driver dm6446evm_msp_driver = {
 570         .driver.name    = "dm6446evm_msp",
 571         .id_table       = dm6446evm_msp_ids,
 572         .probe          = dm6446evm_msp_probe,
 573         .remove         = dm6446evm_msp_remove,
 574 };
 575
 576 static int dm6444evm_msp430_get_pins(void)
 577 {
 578         static const char txbuf[2] = { 2, 4, };
 579         char buf[4];
 580         struct i2c_msg msg[2] = {
 581                 {
 582                         .flags = 0,
 583                         .len = 2,
 584                         .buf = (void __force *)txbuf,
 585                 },
 586                 {
 587                         .flags = I2C_M_RD,
 588                         .len = 4,
 589                         .buf = buf,
 590                 },
 591         };
 592         int status;
 593
 594         if (!dm6446evm_msp)
 595                 return -ENXIO;
 596
 597         msg[0].addr = dm6446evm_msp->addr;
 598         msg[1].addr = dm6446evm_msp->addr;
 599
 600         /* Command 4 == get input state, returns port 2 and port3 data
 601          *   S Addr W [A] len=2 [A] cmd=4 [A]
 602          *   RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P
 603          */
 604         status = i2c_transfer(dm6446evm_msp->adapter, msg, 2);
 605         if (status < 0)
 606                 return status;
 607
 608         dev_dbg(&dm6446evm_msp->dev, "PINS: %4ph\n", buf);
 609
 610         return (buf[3] << 8) | buf[2];
 611 }
 612
 613 static int dm6444evm_mmc_get_cd(int module)
 614 {
 615         int status = dm6444evm_msp430_get_pins();
 616
 617         return (status < 0) ? status : !(status & BIT(1));
 618 }
 619
 620 static int dm6444evm_mmc_get_ro(int module)
 621 {
 622         int status = dm6444evm_msp430_get_pins();
 623
 624         return (status < 0) ? status : status & BIT(6 + 8);
 625 }
 626
 627 static struct davinci_mmc_config dm6446evm_mmc_config = {
 628         .get_cd         = dm6444evm_mmc_get_cd,
 629         .get_ro         = dm6444evm_mmc_get_ro,
 630         .wires          = 4,
 631 };
 632
 633 static struct i2c_board_info __initdata i2c_info[] =  {
 634         {
 635                 I2C_BOARD_INFO("dm6446evm_msp", 0x23),
 636         },
 637         {
 638                 I2C_BOARD_INFO("pcf8574", 0x38),
 639                 .platform_data  = &pcf_data_u2,
 640         },
 641         {
 642                 I2C_BOARD_INFO("pcf8574", 0x39),
 643                 .platform_data  = &pcf_data_u18,
 644         },
 645         {
 646                 I2C_BOARD_INFO("pcf8574", 0x3a),
 647                 .platform_data  = &pcf_data_u35,
 648         },
 649         {
 650                 I2C_BOARD_INFO("24c256", 0x50),
 651                 .properties = eeprom_properties,
 652         },
 653         {
 654                 I2C_BOARD_INFO("tlv320aic33", 0x1b),
 655         },
 656 };
 657
 658 #define DM644X_I2C_SDA_PIN      GPIO_TO_PIN(2, 12)
 659 #define DM644X_I2C_SCL_PIN      GPIO_TO_PIN(2, 11)
 660
 661 static struct gpiod_lookup_table i2c_recovery_gpiod_table = {
 662         .dev_id = "i2c_davinci.1",
 663         .table = {
 664                 GPIO_LOOKUP("davinci_gpio", DM644X_I2C_SDA_PIN, "sda",
 665                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 666                 GPIO_LOOKUP("davinci_gpio", DM644X_I2C_SCL_PIN, "scl",
 667                             GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 668                 { }
 669         },
 670 };
 671
 672 /* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
 673  * which requires 100 usec of idle bus after i2c writes sent to it.
 674  */
 675 static struct davinci_i2c_platform_data i2c_pdata = {
 676         .bus_freq       = 20 /* kHz */,
 677         .bus_delay      = 100 /* usec */,
 678         .gpio_recovery  = true,
 679 };
 680
 681 static void __init evm_init_i2c(void)
 682 {
 683         gpiod_add_lookup_table(&i2c_recovery_gpiod_table);
 684         davinci_init_i2c(&i2c_pdata);
 685         i2c_add_driver(&dm6446evm_msp_driver);
 686         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 687 }
 688 #endif
 689
 690 /* Fixed regulator support */
 691 static struct regulator_consumer_supply fixed_supplies_3_3v[] = {
 692         /* Baseboard 3.3V: 5V -> TPS54310PWP -> 3.3V */
 693         REGULATOR_SUPPLY("AVDD", "1-001b"),
 694         REGULATOR_SUPPLY("DRVDD", "1-001b"),
 695 };
 696
 697 static struct regulator_consumer_supply fixed_supplies_1_8v[] = {
 698         /* Baseboard 1.8V: 5V -> TPS54310PWP -> 1.8V */
 699         REGULATOR_SUPPLY("IOVDD", "1-001b"),
 700         REGULATOR_SUPPLY("DVDD", "1-001b"),
 701 };
 702
 703 #define VENC_STD_ALL    (V4L2_STD_NTSC | V4L2_STD_PAL)
 704
 705 /* venc standard timings */
 706 static struct vpbe_enc_mode_info dm644xevm_enc_std_timing[] = {
 707         {
 708                 .name           = "ntsc",
 709                 .timings_type   = VPBE_ENC_STD,
 710                 .std_id         = V4L2_STD_NTSC,
 711                 .interlaced     = 1,
 712                 .xres           = 720,
 713                 .yres           = 480,
 714                 .aspect         = {11, 10},
 715                 .fps            = {30000, 1001},
 716                 .left_margin    = 0x79,
 717                 .upper_margin   = 0x10,
 718         },
 719         {
 720                 .name           = "pal",
 721                 .timings_type   = VPBE_ENC_STD,
 722                 .std_id         = V4L2_STD_PAL,
 723                 .interlaced     = 1,
 724                 .xres           = 720,
 725                 .yres           = 576,
 726                 .aspect         = {54, 59},
 727                 .fps            = {25, 1},
 728                 .left_margin    = 0x7e,
 729                 .upper_margin   = 0x16,
 730         },
 731 };
 732
 733 /* venc dv preset timings */
 734 static struct vpbe_enc_mode_info dm644xevm_enc_preset_timing[] = {
 735         {
 736                 .name           = "480p59_94",
 737                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 738                 .dv_timings     = V4L2_DV_BT_CEA_720X480P59_94,
 739                 .interlaced     = 0,
 740                 .xres           = 720,
 741                 .yres           = 480,
 742                 .aspect         = {1, 1},
 743                 .fps            = {5994, 100},
 744                 .left_margin    = 0x80,
 745                 .upper_margin   = 0x20,
 746         },
 747         {
 748                 .name           = "576p50",
 749                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 750                 .dv_timings     = V4L2_DV_BT_CEA_720X576P50,
 751                 .interlaced     = 0,
 752                 .xres           = 720,
 753                 .yres           = 576,
 754                 .aspect         = {1, 1},
 755                 .fps            = {50, 1},
 756                 .left_margin    = 0x7e,
 757                 .upper_margin   = 0x30,
 758         },
 759 };
 760
 761 /*
 762  * The outputs available from VPBE + encoders. Keep the order same
 763  * as that of encoders. First those from venc followed by that from
 764  * encoders. Index in the output refers to index on a particular encoder.
 765  * Driver uses this index to pass it to encoder when it supports more
 766  * than one output. Userspace applications use index of the array to
 767  * set an output.
 768  */
 769 static struct vpbe_output dm644xevm_vpbe_outputs[] = {
 770         {
 771                 .output         = {
 772                         .index          = 0,
 773                         .name           = "Composite",
 774                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 775                         .std            = VENC_STD_ALL,
 776                         .capabilities   = V4L2_OUT_CAP_STD,
 777                 },
 778                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 779                 .default_mode   = "ntsc",
 780                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_std_timing),
 781                 .modes          = dm644xevm_enc_std_timing,
 782         },
 783         {
 784                 .output         = {
 785                         .index          = 1,
 786                         .name           = "Component",
 787                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 788                         .capabilities   = V4L2_OUT_CAP_DV_TIMINGS,
 789                 },
 790                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 791                 .default_mode   = "480p59_94",
 792                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_preset_timing),
 793                 .modes          = dm644xevm_enc_preset_timing,
 794         },
 795 };
 796
 797 static struct vpbe_config dm644xevm_display_cfg = {
 798         .module_name    = "dm644x-vpbe-display",
 799         .i2c_adapter_id = 1,
 800         .osd            = {
 801                 .module_name    = DM644X_VPBE_OSD_SUBDEV_NAME,
 802         },
 803         .venc           = {
 804                 .module_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 805         },
 806         .num_outputs    = ARRAY_SIZE(dm644xevm_vpbe_outputs),
 807         .outputs        = dm644xevm_vpbe_outputs,
 808 };
 809
 810 static struct platform_device *davinci_evm_devices[] __initdata = {
 811         &davinci_fb_device,
 812         &rtc_dev,
 813 };
 814
 815 static void __init
 816 davinci_evm_map_io(void)
 817 {
 818         dm644x_init();
 819 }
 820
 821 static int davinci_phy_fixup(struct phy_device *phydev)
 822 {
 823         unsigned int control;
 824         /* CRITICAL: Fix for increasing PHY signal drive strength for
 825          * TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY
 826          * signal strength was low causing  TX to fail randomly. The
 827          * fix is to Set bit 11 (Increased MII drive strength) of PHY
 828          * register 26 (Digital Config register) on this phy. */
 829         control = phy_read(phydev, 26);
 830         phy_write(phydev, 26, (control | 0x800));
 831         return 0;
 832 }
 833
 834 #define HAS_ATA         (IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
 835                          IS_ENABLED(CONFIG_PATA_BK3710))
 836
 837 #define HAS_NOR         IS_ENABLED(CONFIG_MTD_PHYSMAP)
 838
 839 #define HAS_NAND        IS_ENABLED(CONFIG_MTD_NAND_DAVINCI)
 840
 841 #define GPIO_nVBUS_DRV          160
 842
 843 static struct gpiod_lookup_table dm644evm_usb_gpio_table = {
 844         .dev_id = "musb-davinci",
 845         .table = {
 846                 GPIO_LOOKUP("davinci_gpio", GPIO_nVBUS_DRV, NULL,
 847                             GPIO_ACTIVE_HIGH),
 848                 { }
 849         },
 850 };
 851
 852 static __init void davinci_evm_init(void)
 853 {
 854         int ret;
 855         struct clk *aemif_clk;
 856         struct davinci_soc_info *soc_info = &davinci_soc_info;
 857
 858         dm644x_register_clocks();
 859
 860         regulator_register_always_on(0, "fixed-dummy", fixed_supplies_1_8v,
 861                                      ARRAY_SIZE(fixed_supplies_1_8v), 1800000);
 862         regulator_register_always_on(1, "fixed-dummy", fixed_supplies_3_3v,
 863                                      ARRAY_SIZE(fixed_supplies_3_3v), 3300000);
 864
 865         dm644x_init_devices();
 866
 867         ret = dm644x_gpio_register();
 868         if (ret)
 869                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 870
 871         aemif_clk = clk_get(NULL, "aemif");
 872         clk_prepare_enable(aemif_clk);
 873
 874         if (HAS_ATA) {
 875                 if (HAS_NAND || HAS_NOR)
 876                         pr_warn("WARNING: both IDE and Flash are enabled, but they share AEMIF pins\n"
 877                                 "\tDisable IDE for NAND/NOR support\n");
 878                 davinci_init_ide();
 879         } else if (HAS_NAND || HAS_NOR) {
 880                 davinci_cfg_reg(DM644X_HPIEN_DISABLE);
 881                 davinci_cfg_reg(DM644X_ATAEN_DISABLE);
 882
 883                 /* only one device will be jumpered and detected */
 884                 if (HAS_NAND) {
 885                         platform_device_register(&davinci_evm_aemif_device);
 886 #ifdef CONFIG_I2C
 887                         evm_leds[7].default_trigger = "nand-disk";
 888 #endif
 889                         if (HAS_NOR)
 890                                 pr_warn("WARNING: both NAND and NOR flash are enabled; disable one of them.\n");
 891                 } else if (HAS_NOR)
 892                         platform_device_register(&davinci_evm_norflash_device);
 893         }
 894
 895         platform_add_devices(davinci_evm_devices,
 896                              ARRAY_SIZE(davinci_evm_devices));
 897 #ifdef CONFIG_I2C
 898         nvmem_add_cell_table(&dm644evm_nvmem_cell_table);
 899         nvmem_add_cell_lookups(&dm644evm_nvmem_cell_lookup, 1);
 900         evm_init_i2c();
 901         davinci_setup_mmc(0, &dm6446evm_mmc_config);
 902 #endif
 903         dm644x_init_video(&dm644xevm_capture_cfg, &dm644xevm_display_cfg);
 904
 905         davinci_serial_init(dm644x_serial_device);
 906         dm644x_init_asp();
 907
 908         /* irlml6401 switches over 1A, in under 8 msec */
 909         gpiod_add_lookup_table(&dm644evm_usb_gpio_table);
 910         davinci_setup_usb(1000, 8);
 911
 912         if (IS_BUILTIN(CONFIG_PHYLIB)) {
 913                 soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID;
 914                 /* Register the fixup for PHY on DaVinci */
 915                 phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
 916                                                 davinci_phy_fixup);
 917         }
 918 }
 919
 920 MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
 921         /* Maintainer: MontaVista Software <source@mvista.com> */
 922         .atag_offset  = 0x100,
 923         .map_io       = davinci_evm_map_io,
 924         .init_irq     = dm644x_init_irq,
 925         .init_time      = dm644x_init_time,
 926         .init_machine = davinci_evm_init,
 927         .init_late      = davinci_init_late,
 928         .dma_zone_size  = SZ_128M,
 929 MACHINE_END