arch/arm/mach-davinci/board-dm365-evm.c

   1 /*
   2  * TI DaVinci DM365 EVM board support
   3  *
   4  * Copyright (C) 2009 Texas Instruments Incorporated
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation version 2.
   9  *
  10  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  11  * kind, whether express or implied; without even the implied warranty
  12  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/err.h>
  18 #include <linux/i2c.h>
  19 #include <linux/io.h>
  20 #include <linux/clk.h>
  21 #include <linux/platform_data/at24.h>
  22 #include <linux/leds.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/slab.h>
  26 #include <linux/mtd/rawnand.h>
  27 #include <linux/nvmem-provider.h>
  28 #include <linux/input.h>
  29 #include <linux/spi/spi.h>
  30 #include <linux/spi/eeprom.h>
  31 #include <linux/v4l2-dv-timings.h>
  32 #include <linux/platform_data/ti-aemif.h>
  33
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36
  37 #include <mach/mux.h>
  38 #include <mach/common.h>
  39 #include <linux/platform_data/i2c-davinci.h>
  40 #include <mach/serial.h>
  41 #include <linux/platform_data/mmc-davinci.h>
  42 #include <linux/platform_data/mtd-davinci.h>
  43 #include <linux/platform_data/keyscan-davinci.h>
  44
  45 #include <media/i2c/ths7303.h>
  46 #include <media/i2c/tvp514x.h>
  47
  48 #include "davinci.h"
  49
  50 static inline int have_imager(void)
  51 {
  52         /* REVISIT when it's supported, trigger via Kconfig */
  53         return 0;
  54 }
  55
  56 static inline int have_tvp7002(void)
  57 {
  58         /* REVISIT when it's supported, trigger via Kconfig */
  59         return 0;
  60 }
  61
  62 #define DM365_EVM_PHY_ID                "davinci_mdio-0:01"
  63 /*
  64  * A MAX-II CPLD is used for various board control functions.
  65  */
  66 #define CPLD_OFFSET(a13a8,a2a1)         (((a13a8) << 10) + ((a2a1) << 3))
  67
  68 #define CPLD_VERSION    CPLD_OFFSET(0,0)        /* r/o */
  69 #define CPLD_TEST       CPLD_OFFSET(0,1)
  70 #define CPLD_LEDS       CPLD_OFFSET(0,2)
  71 #define CPLD_MUX        CPLD_OFFSET(0,3)
  72 #define CPLD_SWITCH     CPLD_OFFSET(1,0)        /* r/o */
  73 #define CPLD_POWER      CPLD_OFFSET(1,1)
  74 #define CPLD_VIDEO      CPLD_OFFSET(1,2)
  75 #define CPLD_CARDSTAT   CPLD_OFFSET(1,3)        /* r/o */
  76
  77 #define CPLD_DILC_OUT   CPLD_OFFSET(2,0)
  78 #define CPLD_DILC_IN    CPLD_OFFSET(2,1)        /* r/o */
  79
  80 #define CPLD_IMG_DIR0   CPLD_OFFSET(2,2)
  81 #define CPLD_IMG_MUX0   CPLD_OFFSET(2,3)
  82 #define CPLD_IMG_MUX1   CPLD_OFFSET(3,0)
  83 #define CPLD_IMG_DIR1   CPLD_OFFSET(3,1)
  84 #define CPLD_IMG_MUX2   CPLD_OFFSET(3,2)
  85 #define CPLD_IMG_MUX3   CPLD_OFFSET(3,3)
  86 #define CPLD_IMG_DIR2   CPLD_OFFSET(4,0)
  87 #define CPLD_IMG_MUX4   CPLD_OFFSET(4,1)
  88 #define CPLD_IMG_MUX5   CPLD_OFFSET(4,2)
  89
  90 #define CPLD_RESETS     CPLD_OFFSET(4,3)
  91
  92 #define CPLD_CCD_DIR1   CPLD_OFFSET(0x3e,0)
  93 #define CPLD_CCD_IO1    CPLD_OFFSET(0x3e,1)
  94 #define CPLD_CCD_DIR2   CPLD_OFFSET(0x3e,2)
  95 #define CPLD_CCD_IO2    CPLD_OFFSET(0x3e,3)
  96 #define CPLD_CCD_DIR3   CPLD_OFFSET(0x3f,0)
  97 #define CPLD_CCD_IO3    CPLD_OFFSET(0x3f,1)
  98
  99 static void __iomem *cpld;
 100
 101
 102 /* NOTE:  this is geared for the standard config, with a socketed
 103  * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors.  If you
 104  * swap chips with a different block size, partitioning will
 105  * need to be changed. This NAND chip MT29F16G08FAA is the default
 106  * NAND shipped with the Spectrum Digital DM365 EVM
 107  */
 108 #define NAND_BLOCK_SIZE         SZ_128K
 109
 110 static struct mtd_partition davinci_nand_partitions[] = {
 111         {
 112                 /* UBL (a few copies) plus U-Boot */
 113                 .name           = "bootloader",
 114                 .offset         = 0,
 115                 .size           = 30 * NAND_BLOCK_SIZE,
 116                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 117         }, {
 118                 /* U-Boot environment */
 119                 .name           = "params",
 120                 .offset         = MTDPART_OFS_APPEND,
 121                 .size           = 2 * NAND_BLOCK_SIZE,
 122                 .mask_flags     = 0,
 123         }, {
 124                 .name           = "kernel",
 125                 .offset         = MTDPART_OFS_APPEND,
 126                 .size           = SZ_4M,
 127                 .mask_flags     = 0,
 128         }, {
 129                 .name           = "filesystem1",
 130                 .offset         = MTDPART_OFS_APPEND,
 131                 .size           = SZ_512M,
 132                 .mask_flags     = 0,
 133         }, {
 134                 .name           = "filesystem2",
 135                 .offset         = MTDPART_OFS_APPEND,
 136                 .size           = MTDPART_SIZ_FULL,
 137                 .mask_flags     = 0,
 138         }
 139         /* two blocks with bad block table (and mirror) at the end */
 140 };
 141
 142 static struct davinci_nand_pdata davinci_nand_data = {
 143         .core_chipsel           = 0,
 144         .mask_chipsel           = BIT(14),
 145         .parts                  = davinci_nand_partitions,
 146         .nr_parts               = ARRAY_SIZE(davinci_nand_partitions),
 147         .ecc_mode               = NAND_ECC_HW,
 148         .bbt_options            = NAND_BBT_USE_FLASH,
 149         .ecc_bits               = 4,
 150 };
 151
 152 static struct resource davinci_nand_resources[] = {
 153         {
 154                 .start          = DM365_ASYNC_EMIF_DATA_CE0_BASE,
 155                 .end            = DM365_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
 156                 .flags          = IORESOURCE_MEM,
 157         }, {
 158                 .start          = DM365_ASYNC_EMIF_CONTROL_BASE,
 159                 .end            = DM365_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 160                 .flags          = IORESOURCE_MEM,
 161         },
 162 };
 163
 164 static struct platform_device davinci_aemif_devices[] = {
 165         {
 166                 .name           = "davinci_nand",
 167                 .id             = 0,
 168                 .num_resources  = ARRAY_SIZE(davinci_nand_resources),
 169                 .resource       = davinci_nand_resources,
 170                 .dev            = {
 171                         .platform_data  = &davinci_nand_data,
 172                 },
 173         }
 174 };
 175
 176 static struct resource davinci_aemif_resources[] = {
 177         {
 178                 .start          = DM365_ASYNC_EMIF_CONTROL_BASE,
 179                 .end            = DM365_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 180                 .flags          = IORESOURCE_MEM,
 181         },
 182 };
 183
 184 static struct aemif_abus_data da850_evm_aemif_abus_data[] = {
 185         {
 186                 .cs             = 1,
 187         },
 188 };
 189
 190 static struct aemif_platform_data davinci_aemif_pdata = {
 191         .abus_data              = da850_evm_aemif_abus_data,
 192         .num_abus_data          = ARRAY_SIZE(da850_evm_aemif_abus_data),
 193         .sub_devices            = davinci_aemif_devices,
 194         .num_sub_devices        = ARRAY_SIZE(davinci_aemif_devices),
 195 };
 196
 197 static struct platform_device davinci_aemif_device = {
 198         .name                   = "ti-aemif",
 199         .id                     = -1,
 200         .dev = {
 201                 .platform_data  = &davinci_aemif_pdata,
 202         },
 203         .resource               = davinci_aemif_resources,
 204         .num_resources          = ARRAY_SIZE(davinci_aemif_resources),
 205 };
 206
 207 static struct nvmem_cell_info davinci_nvmem_cells[] = {
 208         {
 209                 .name           = "macaddr",
 210                 .offset         = 0x7f00,
 211                 .bytes          = ETH_ALEN,
 212         }
 213 };
 214
 215 static struct nvmem_cell_table davinci_nvmem_cell_table = {
 216         .nvmem_name     = "1-00500",
 217         .cells          = davinci_nvmem_cells,
 218         .ncells         = ARRAY_SIZE(davinci_nvmem_cells),
 219 };
 220
 221 static struct nvmem_cell_lookup davinci_nvmem_cell_lookup = {
 222         .nvmem_name     = "1-00500",
 223         .cell_name      = "macaddr",
 224         .dev_id         = "davinci_emac.1",
 225         .con_id         = "mac-address",
 226 };
 227
 228 static struct at24_platform_data eeprom_info = {
 229         .byte_len       = (256*1024) / 8,
 230         .page_size      = 64,
 231         .flags          = AT24_FLAG_ADDR16,
 232         .setup          = davinci_get_mac_addr,
 233         .context        = (void *)0x7f00,
 234 };
 235
 236 static struct i2c_board_info i2c_info[] = {
 237         {
 238                 I2C_BOARD_INFO("24c256", 0x50),
 239                 .platform_data  = &eeprom_info,
 240         },
 241         {
 242                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 243         },
 244 };
 245
 246 static struct davinci_i2c_platform_data i2c_pdata = {
 247         .bus_freq       = 400   /* kHz */,
 248         .bus_delay      = 0     /* usec */,
 249 };
 250
 251 static int dm365evm_keyscan_enable(struct device *dev)
 252 {
 253         return davinci_cfg_reg(DM365_KEYSCAN);
 254 }
 255
 256 static unsigned short dm365evm_keymap[] = {
 257         KEY_KP2,
 258         KEY_LEFT,
 259         KEY_EXIT,
 260         KEY_DOWN,
 261         KEY_ENTER,
 262         KEY_UP,
 263         KEY_KP1,
 264         KEY_RIGHT,
 265         KEY_MENU,
 266         KEY_RECORD,
 267         KEY_REWIND,
 268         KEY_KPMINUS,
 269         KEY_STOP,
 270         KEY_FASTFORWARD,
 271         KEY_KPPLUS,
 272         KEY_PLAYPAUSE,
 273         0
 274 };
 275
 276 static struct davinci_ks_platform_data dm365evm_ks_data = {
 277         .device_enable  = dm365evm_keyscan_enable,
 278         .keymap         = dm365evm_keymap,
 279         .keymapsize     = ARRAY_SIZE(dm365evm_keymap),
 280         .rep            = 1,
 281         /* Scan period = strobe + interval */
 282         .strobe         = 0x5,
 283         .interval       = 0x2,
 284         .matrix_type    = DAVINCI_KEYSCAN_MATRIX_4X4,
 285 };
 286
 287 static int cpld_mmc_get_cd(int module)
 288 {
 289         if (!cpld)
 290                 return -ENXIO;
 291
 292         /* low == card present */
 293         return !(__raw_readb(cpld + CPLD_CARDSTAT) & BIT(module ? 4 : 0));
 294 }
 295
 296 static int cpld_mmc_get_ro(int module)
 297 {
 298         if (!cpld)
 299                 return -ENXIO;
 300
 301         /* high == card's write protect switch active */
 302         return !!(__raw_readb(cpld + CPLD_CARDSTAT) & BIT(module ? 5 : 1));
 303 }
 304
 305 static struct davinci_mmc_config dm365evm_mmc_config = {
 306         .get_cd         = cpld_mmc_get_cd,
 307         .get_ro         = cpld_mmc_get_ro,
 308         .wires          = 4,
 309         .max_freq       = 50000000,
 310         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 311 };
 312
 313 static void dm365evm_emac_configure(void)
 314 {
 315         /*
 316          * EMAC pins are multiplexed with GPIO and UART
 317          * Further details are available at the DM365 ARM
 318          * Subsystem Users Guide(sprufg5.pdf) pages 125 - 127
 319          */
 320         davinci_cfg_reg(DM365_EMAC_TX_EN);
 321         davinci_cfg_reg(DM365_EMAC_TX_CLK);
 322         davinci_cfg_reg(DM365_EMAC_COL);
 323         davinci_cfg_reg(DM365_EMAC_TXD3);
 324         davinci_cfg_reg(DM365_EMAC_TXD2);
 325         davinci_cfg_reg(DM365_EMAC_TXD1);
 326         davinci_cfg_reg(DM365_EMAC_TXD0);
 327         davinci_cfg_reg(DM365_EMAC_RXD3);
 328         davinci_cfg_reg(DM365_EMAC_RXD2);
 329         davinci_cfg_reg(DM365_EMAC_RXD1);
 330         davinci_cfg_reg(DM365_EMAC_RXD0);
 331         davinci_cfg_reg(DM365_EMAC_RX_CLK);
 332         davinci_cfg_reg(DM365_EMAC_RX_DV);
 333         davinci_cfg_reg(DM365_EMAC_RX_ER);
 334         davinci_cfg_reg(DM365_EMAC_CRS);
 335         davinci_cfg_reg(DM365_EMAC_MDIO);
 336         davinci_cfg_reg(DM365_EMAC_MDCLK);
 337
 338         /*
 339          * EMAC interrupts are multiplexed with GPIO interrupts
 340          * Details are available at the DM365 ARM
 341          * Subsystem Users Guide(sprufg5.pdf) pages 133 - 134
 342          */
 343         davinci_cfg_reg(DM365_INT_EMAC_RXTHRESH);
 344         davinci_cfg_reg(DM365_INT_EMAC_RXPULSE);
 345         davinci_cfg_reg(DM365_INT_EMAC_TXPULSE);
 346         davinci_cfg_reg(DM365_INT_EMAC_MISCPULSE);
 347 }
 348
 349 static void dm365evm_mmc_configure(void)
 350 {
 351         /*
 352          * MMC/SD pins are multiplexed with GPIO and EMIF
 353          * Further details are available at the DM365 ARM
 354          * Subsystem Users Guide(sprufg5.pdf) pages 118, 128 - 131
 355          */
 356         davinci_cfg_reg(DM365_SD1_CLK);
 357         davinci_cfg_reg(DM365_SD1_CMD);
 358         davinci_cfg_reg(DM365_SD1_DATA3);
 359         davinci_cfg_reg(DM365_SD1_DATA2);
 360         davinci_cfg_reg(DM365_SD1_DATA1);
 361         davinci_cfg_reg(DM365_SD1_DATA0);
 362 }
 363
 364 static struct tvp514x_platform_data tvp5146_pdata = {
 365         .clk_polarity = 0,
 366         .hs_polarity = 1,
 367         .vs_polarity = 1
 368 };
 369
 370 #define TVP514X_STD_ALL        (V4L2_STD_NTSC | V4L2_STD_PAL)
 371 /* Inputs available at the TVP5146 */
 372 static struct v4l2_input tvp5146_inputs[] = {
 373         {
 374                 .index = 0,
 375                 .name = "Composite",
 376                 .type = V4L2_INPUT_TYPE_CAMERA,
 377                 .std = TVP514X_STD_ALL,
 378         },
 379         {
 380                 .index = 1,
 381                 .name = "S-Video",
 382                 .type = V4L2_INPUT_TYPE_CAMERA,
 383                 .std = TVP514X_STD_ALL,
 384         },
 385 };
 386
 387 /*
 388  * this is the route info for connecting each input to decoder
 389  * ouput that goes to vpfe. There is a one to one correspondence
 390  * with tvp5146_inputs
 391  */
 392 static struct vpfe_route tvp5146_routes[] = {
 393         {
 394                 .input = INPUT_CVBS_VI2B,
 395                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 396         },
 397 {
 398                 .input = INPUT_SVIDEO_VI2C_VI1C,
 399                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 400         },
 401 };
 402
 403 static struct vpfe_subdev_info vpfe_sub_devs[] = {
 404         {
 405                 .name = "tvp5146",
 406                 .grp_id = 0,
 407                 .num_inputs = ARRAY_SIZE(tvp5146_inputs),
 408                 .inputs = tvp5146_inputs,
 409                 .routes = tvp5146_routes,
 410                 .can_route = 1,
 411                 .ccdc_if_params = {
 412                         .if_type = VPFE_BT656,
 413                         .hdpol = VPFE_PINPOL_POSITIVE,
 414                         .vdpol = VPFE_PINPOL_POSITIVE,
 415                 },
 416                 .board_info = {
 417                         I2C_BOARD_INFO("tvp5146", 0x5d),
 418                         .platform_data = &tvp5146_pdata,
 419                 },
 420         },
 421 };
 422
 423 static struct vpfe_config vpfe_cfg = {
 424         .num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
 425         .sub_devs = vpfe_sub_devs,
 426         .i2c_adapter_id = 1,
 427         .card_name = "DM365 EVM",
 428         .ccdc = "ISIF",
 429 };
 430
 431 /* venc standards timings */
 432 static struct vpbe_enc_mode_info dm365evm_enc_std_timing[] = {
 433         {
 434                 .name           = "ntsc",
 435                 .timings_type   = VPBE_ENC_STD,
 436                 .std_id         = V4L2_STD_NTSC,
 437                 .interlaced     = 1,
 438                 .xres           = 720,
 439                 .yres           = 480,
 440                 .aspect         = {11, 10},
 441                 .fps            = {30000, 1001},
 442                 .left_margin    = 0x79,
 443                 .upper_margin   = 0x10,
 444         },
 445         {
 446                 .name           = "pal",
 447                 .timings_type   = VPBE_ENC_STD,
 448                 .std_id         = V4L2_STD_PAL,
 449                 .interlaced     = 1,
 450                 .xres           = 720,
 451                 .yres           = 576,
 452                 .aspect         = {54, 59},
 453                 .fps            = {25, 1},
 454                 .left_margin    = 0x7E,
 455                 .upper_margin   = 0x16,
 456         },
 457 };
 458
 459 /* venc dv timings */
 460 static struct vpbe_enc_mode_info dm365evm_enc_preset_timing[] = {
 461         {
 462                 .name           = "480p59_94",
 463                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 464                 .dv_timings     = V4L2_DV_BT_CEA_720X480P59_94,
 465                 .interlaced     = 0,
 466                 .xres           = 720,
 467                 .yres           = 480,
 468                 .aspect         = {1, 1},
 469                 .fps            = {5994, 100},
 470                 .left_margin    = 0x8F,
 471                 .upper_margin   = 0x2D,
 472         },
 473         {
 474                 .name           = "576p50",
 475                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 476                 .dv_timings     = V4L2_DV_BT_CEA_720X576P50,
 477                 .interlaced     = 0,
 478                 .xres           = 720,
 479                 .yres           = 576,
 480                 .aspect         = {1, 1},
 481                 .fps            = {50, 1},
 482                 .left_margin    = 0x8C,
 483                 .upper_margin   = 0x36,
 484         },
 485         {
 486                 .name           = "720p60",
 487                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 488                 .dv_timings     = V4L2_DV_BT_CEA_1280X720P60,
 489                 .interlaced     = 0,
 490                 .xres           = 1280,
 491                 .yres           = 720,
 492                 .aspect         = {1, 1},
 493                 .fps            = {60, 1},
 494                 .left_margin    = 0x117,
 495                 .right_margin   = 70,
 496                 .upper_margin   = 38,
 497                 .lower_margin   = 3,
 498                 .hsync_len      = 80,
 499                 .vsync_len      = 5,
 500         },
 501         {
 502                 .name           = "1080i60",
 503                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 504                 .dv_timings     = V4L2_DV_BT_CEA_1920X1080I60,
 505                 .interlaced     = 1,
 506                 .xres           = 1920,
 507                 .yres           = 1080,
 508                 .aspect         = {1, 1},
 509                 .fps            = {30, 1},
 510                 .left_margin    = 0xc9,
 511                 .right_margin   = 80,
 512                 .upper_margin   = 30,
 513                 .lower_margin   = 3,
 514                 .hsync_len      = 88,
 515                 .vsync_len      = 5,
 516         },
 517 };
 518
 519 #define VENC_STD_ALL    (V4L2_STD_NTSC | V4L2_STD_PAL)
 520
 521 /*
 522  * The outputs available from VPBE + ecnoders. Keep the
 523  * the order same as that of encoders. First those from venc followed by that
 524  * from encoders. Index in the output refers to index on a particular
 525  * encoder.Driver uses this index to pass it to encoder when it supports more
 526  * than one output. Application uses index of the array to set an output.
 527  */
 528 static struct vpbe_output dm365evm_vpbe_outputs[] = {
 529         {
 530                 .output         = {
 531                         .index          = 0,
 532                         .name           = "Composite",
 533                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 534                         .std            = VENC_STD_ALL,
 535                         .capabilities   = V4L2_OUT_CAP_STD,
 536                 },
 537                 .subdev_name    = DM365_VPBE_VENC_SUBDEV_NAME,
 538                 .default_mode   = "ntsc",
 539                 .num_modes      = ARRAY_SIZE(dm365evm_enc_std_timing),
 540                 .modes          = dm365evm_enc_std_timing,
 541                 .if_params      = MEDIA_BUS_FMT_FIXED,
 542         },
 543         {
 544                 .output         = {
 545                         .index          = 1,
 546                         .name           = "Component",
 547                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 548                         .capabilities   = V4L2_OUT_CAP_DV_TIMINGS,
 549                 },
 550                 .subdev_name    = DM365_VPBE_VENC_SUBDEV_NAME,
 551                 .default_mode   = "480p59_94",
 552                 .num_modes      = ARRAY_SIZE(dm365evm_enc_preset_timing),
 553                 .modes          = dm365evm_enc_preset_timing,
 554                 .if_params      = MEDIA_BUS_FMT_FIXED,
 555         },
 556 };
 557
 558 /*
 559  * Amplifiers on the board
 560  */
 561 static struct ths7303_platform_data ths7303_pdata = {
 562         .ch_1 = 3,
 563         .ch_2 = 3,
 564         .ch_3 = 3,
 565 };
 566
 567 static struct amp_config_info vpbe_amp = {
 568         .module_name    = "ths7303",
 569         .is_i2c         = 1,
 570         .board_info     = {
 571                 I2C_BOARD_INFO("ths7303", 0x2c),
 572                 .platform_data = &ths7303_pdata,
 573         }
 574 };
 575
 576 static struct vpbe_config dm365evm_display_cfg = {
 577         .module_name    = "dm365-vpbe-display",
 578         .i2c_adapter_id = 1,
 579         .amp            = &vpbe_amp,
 580         .osd            = {
 581                 .module_name    = DM365_VPBE_OSD_SUBDEV_NAME,
 582         },
 583         .venc           = {
 584                 .module_name    = DM365_VPBE_VENC_SUBDEV_NAME,
 585         },
 586         .num_outputs    = ARRAY_SIZE(dm365evm_vpbe_outputs),
 587         .outputs        = dm365evm_vpbe_outputs,
 588 };
 589
 590 static void __init evm_init_i2c(void)
 591 {
 592         davinci_init_i2c(&i2c_pdata);
 593         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 594 }
 595
 596 static inline int have_leds(void)
 597 {
 598 #ifdef CONFIG_LEDS_CLASS
 599         return 1;
 600 #else
 601         return 0;
 602 #endif
 603 }
 604
 605 struct cpld_led {
 606         struct led_classdev     cdev;
 607         u8                      mask;
 608 };
 609
 610 static const struct {
 611         const char *name;
 612         const char *trigger;
 613 } cpld_leds[] = {
 614         { "dm365evm::ds2", },
 615         { "dm365evm::ds3", },
 616         { "dm365evm::ds4", },
 617         { "dm365evm::ds5", },
 618         { "dm365evm::ds6", "nand-disk", },
 619         { "dm365evm::ds7", "mmc1", },
 620         { "dm365evm::ds8", "mmc0", },
 621         { "dm365evm::ds9", "heartbeat", },
 622 };
 623
 624 static void cpld_led_set(struct led_classdev *cdev, enum led_brightness b)
 625 {
 626         struct cpld_led *led = container_of(cdev, struct cpld_led, cdev);
 627         u8 reg = __raw_readb(cpld + CPLD_LEDS);
 628
 629         if (b != LED_OFF)
 630                 reg &= ~led->mask;
 631         else
 632                 reg |= led->mask;
 633         __raw_writeb(reg, cpld + CPLD_LEDS);
 634 }
 635
 636 static enum led_brightness cpld_led_get(struct led_classdev *cdev)
 637 {
 638         struct cpld_led *led = container_of(cdev, struct cpld_led, cdev);
 639         u8 reg = __raw_readb(cpld + CPLD_LEDS);
 640
 641         return (reg & led->mask) ? LED_OFF : LED_FULL;
 642 }
 643
 644 static int __init cpld_leds_init(void)
 645 {
 646         int     i;
 647
 648         if (!have_leds() ||  !cpld)
 649                 return 0;
 650
 651         /* setup LEDs */
 652         __raw_writeb(0xff, cpld + CPLD_LEDS);
 653         for (i = 0; i < ARRAY_SIZE(cpld_leds); i++) {
 654                 struct cpld_led *led;
 655
 656                 led = kzalloc(sizeof(*led), GFP_KERNEL);
 657                 if (!led)
 658                         break;
 659
 660                 led->cdev.name = cpld_leds[i].name;
 661                 led->cdev.brightness_set = cpld_led_set;
 662                 led->cdev.brightness_get = cpld_led_get;
 663                 led->cdev.default_trigger = cpld_leds[i].trigger;
 664                 led->mask = BIT(i);
 665
 666                 if (led_classdev_register(NULL, &led->cdev) < 0) {
 667                         kfree(led);
 668                         break;
 669                 }
 670         }
 671
 672         return 0;
 673 }
 674 /* run after subsys_initcall() for LEDs */
 675 fs_initcall(cpld_leds_init);
 676
 677
 678 static void __init evm_init_cpld(void)
 679 {
 680         u8 mux, resets;
 681         const char *label;
 682         struct clk *aemif_clk;
 683         int rc;
 684
 685         /* Make sure we can configure the CPLD through CS1.  Then
 686          * leave it on for later access to MMC and LED registers.
 687          */
 688         aemif_clk = clk_get(NULL, "aemif");
 689         if (IS_ERR(aemif_clk))
 690                 return;
 691         clk_prepare_enable(aemif_clk);
 692
 693         if (request_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE,
 694                         "cpld") == NULL)
 695                 goto fail;
 696         cpld = ioremap(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE);
 697         if (!cpld) {
 698                 release_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE,
 699                                 SECTION_SIZE);
 700 fail:
 701                 pr_err("ERROR: can't map CPLD\n");
 702                 clk_disable_unprepare(aemif_clk);
 703                 return;
 704         }
 705
 706         /* External muxing for some signals */
 707         mux = 0;
 708
 709         /* Read SW5 to set up NAND + keypad _or_ OneNAND (sync read).
 710          * NOTE:  SW4 bus width setting must match!
 711          */
 712         if ((__raw_readb(cpld + CPLD_SWITCH) & BIT(5)) == 0) {
 713                 /* external keypad mux */
 714                 mux |= BIT(7);
 715
 716                 rc = platform_device_register(&davinci_aemif_device);
 717                 if (rc)
 718                         pr_warn("%s(): error registering the aemif device: %d\n",
 719                                 __func__, rc);
 720         } else {
 721                 /* no OneNAND support yet */
 722         }
 723
 724         /* Leave external chips in reset when unused. */
 725         resets = BIT(3) | BIT(2) | BIT(1) | BIT(0);
 726
 727         /* Static video input config with SN74CBT16214 1-of-3 mux:
 728          *  - port b1 == tvp7002 (mux lowbits == 1 or 6)
 729          *  - port b2 == imager (mux lowbits == 2 or 7)
 730          *  - port b3 == tvp5146 (mux lowbits == 5)
 731          *
 732          * Runtime switching could work too, with limitations.
 733          */
 734         if (have_imager()) {
 735                 label = "HD imager";
 736                 mux |= 2;
 737
 738                 /* externally mux MMC1/ENET/AIC33 to imager */
 739                 mux |= BIT(6) | BIT(5) | BIT(3);
 740         } else {
 741                 struct davinci_soc_info *soc_info = &davinci_soc_info;
 742
 743                 /* we can use MMC1 ... */
 744                 dm365evm_mmc_configure();
 745                 davinci_setup_mmc(1, &dm365evm_mmc_config);
 746
 747                 /* ... and ENET ... */
 748                 dm365evm_emac_configure();
 749                 soc_info->emac_pdata->phy_id = DM365_EVM_PHY_ID;
 750                 resets &= ~BIT(3);
 751
 752                 /* ... and AIC33 */
 753                 resets &= ~BIT(1);
 754
 755                 if (have_tvp7002()) {
 756                         mux |= 1;
 757                         resets &= ~BIT(2);
 758                         label = "tvp7002 HD";
 759                 } else {
 760                         /* default to tvp5146 */
 761                         mux |= 5;
 762                         resets &= ~BIT(0);
 763                         label = "tvp5146 SD";
 764                 }
 765         }
 766         __raw_writeb(mux, cpld + CPLD_MUX);
 767         __raw_writeb(resets, cpld + CPLD_RESETS);
 768         pr_info("EVM: %s video input\n", label);
 769
 770         /* REVISIT export switches: NTSC/PAL (SW5.6), EXTRA1 (SW5.2), etc */
 771 }
 772
 773 static void __init dm365_evm_map_io(void)
 774 {
 775         dm365_init();
 776 }
 777
 778 static struct spi_eeprom at25640 = {
 779         .byte_len       = SZ_64K / 8,
 780         .name           = "at25640",
 781         .page_size      = 32,
 782         .flags          = EE_ADDR2,
 783 };
 784
 785 static const struct spi_board_info dm365_evm_spi_info[] __initconst = {
 786         {
 787                 .modalias       = "at25",
 788                 .platform_data  = &at25640,
 789                 .max_speed_hz   = 10 * 1000 * 1000,
 790                 .bus_num        = 0,
 791                 .chip_select    = 0,
 792                 .mode           = SPI_MODE_0,
 793         },
 794 };
 795
 796 static __init void dm365_evm_init(void)
 797 {
 798         int ret;
 799
 800         dm365_register_clocks();
 801
 802         ret = dm365_gpio_register();
 803         if (ret)
 804                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 805
 806         nvmem_add_cell_table(&davinci_nvmem_cell_table);
 807         nvmem_add_cell_lookups(&davinci_nvmem_cell_lookup, 1);
 808
 809         evm_init_i2c();
 810         davinci_serial_init(dm365_serial_device);
 811
 812         dm365evm_emac_configure();
 813         dm365evm_mmc_configure();
 814
 815         davinci_setup_mmc(0, &dm365evm_mmc_config);
 816
 817         dm365_init_video(&vpfe_cfg, &dm365evm_display_cfg);
 818
 819         /* maybe setup mmc1/etc ... _after_ mmc0 */
 820         evm_init_cpld();
 821
 822 #ifdef CONFIG_SND_SOC_DM365_AIC3X_CODEC
 823         dm365_init_asp();
 824 #elif defined(CONFIG_SND_SOC_DM365_VOICE_CODEC)
 825         dm365_init_vc();
 826 #endif
 827         dm365_init_rtc();
 828         dm365_init_ks(&dm365evm_ks_data);
 829
 830         dm365_init_spi0(BIT(0), dm365_evm_spi_info,
 831                         ARRAY_SIZE(dm365_evm_spi_info));
 832 }
 833
 834 MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM")
 835         .atag_offset    = 0x100,
 836         .map_io         = dm365_evm_map_io,
 837         .init_irq       = davinci_irq_init,
 838         .init_time      = dm365_init_time,
 839         .init_machine   = dm365_evm_init,
 840         .init_late      = davinci_init_late,
 841         .dma_zone_size  = SZ_128M,
 842 MACHINE_END
 843