arch/arm/mach-davinci/board-da850-evm.c

   1 /*
   2  * TI DA850/OMAP-L138 EVM board
   3  *
   4  * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
   5  *
   6  * Derived from: arch/arm/mach-davinci/board-da830-evm.c
   7  * Original Copyrights follow:
   8  *
   9  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
  10  * the terms of the GNU General Public License version 2. This program
  11  * is licensed "as is" without any warranty of any kind, whether express
  12  * or implied.
  13  */
  14 #include <linux/console.h>
  15 #include <linux/delay.h>
  16 #include <linux/gpio.h>
  17 #include <linux/gpio_keys.h>
  18 #include <linux/gpio/machine.h>
  19 #include <linux/init.h>
  20 #include <linux/kernel.h>
  21 #include <linux/leds.h>
  22 #include <linux/i2c.h>
  23 #include <linux/platform_data/pca953x.h>
  24 #include <linux/input.h>
  25 #include <linux/input/tps6507x-ts.h>
  26 #include <linux/mfd/tps6507x.h>
  27 #include <linux/mtd/mtd.h>
  28 #include <linux/mtd/rawnand.h>
  29 #include <linux/mtd/partitions.h>
  30 #include <linux/nvmem-provider.h>
  31 #include <linux/mtd/physmap.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/platform_data/gpio-davinci.h>
  34 #include <linux/platform_data/mtd-davinci.h>
  35 #include <linux/platform_data/mtd-davinci-aemif.h>
  36 #include <linux/platform_data/ti-aemif.h>
  37 #include <linux/platform_data/spi-davinci.h>
  38 #include <linux/platform_data/uio_pruss.h>
  39 #include <linux/property.h>
  40 #include <linux/regulator/machine.h>
  41 #include <linux/regulator/tps6507x.h>
  42 #include <linux/regulator/fixed.h>
  43 #include <linux/spi/spi.h>
  44 #include <linux/spi/flash.h>
  45
  46 #include <mach/common.h>
  47 #include <mach/da8xx.h>
  48 #include <mach/mux.h>
  49
  50 #include "irqs.h"
  51 #include "sram.h"
  52
  53 #include <asm/mach-types.h>
  54 #include <asm/mach/arch.h>
  55 #include <asm/system_info.h>
  56
  57 #include <media/i2c/tvp514x.h>
  58 #include <media/i2c/adv7343.h>
  59
  60 #define DA850_EVM_PHY_ID                "davinci_mdio-0:00"
  61 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
  62 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
  63
  64 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
  65
  66 static struct mtd_partition da850evm_spiflash_part[] = {
  67         [0] = {
  68                 .name = "UBL",
  69                 .offset = 0,
  70                 .size = SZ_64K,
  71                 .mask_flags = MTD_WRITEABLE,
  72         },
  73         [1] = {
  74                 .name = "U-Boot",
  75                 .offset = MTDPART_OFS_APPEND,
  76                 .size = SZ_512K,
  77                 .mask_flags = MTD_WRITEABLE,
  78         },
  79         [2] = {
  80                 .name = "U-Boot-Env",
  81                 .offset = MTDPART_OFS_APPEND,
  82                 .size = SZ_64K,
  83                 .mask_flags = MTD_WRITEABLE,
  84         },
  85         [3] = {
  86                 .name = "Kernel",
  87                 .offset = MTDPART_OFS_APPEND,
  88                 .size = SZ_2M + SZ_512K,
  89                 .mask_flags = 0,
  90         },
  91         [4] = {
  92                 .name = "Filesystem",
  93                 .offset = MTDPART_OFS_APPEND,
  94                 .size = SZ_4M,
  95                 .mask_flags = 0,
  96         },
  97         [5] = {
  98                 .name = "MAC-Address",
  99                 .offset = SZ_8M - SZ_64K,
 100                 .size = SZ_64K,
 101                 .mask_flags = MTD_WRITEABLE,
 102         },
 103 };
 104
 105 static struct nvmem_cell_info da850evm_nvmem_cells[] = {
 106         {
 107                 .name           = "macaddr",
 108                 .offset         = 0x0,
 109                 .bytes          = ETH_ALEN,
 110         }
 111 };
 112
 113 static struct nvmem_cell_table da850evm_nvmem_cell_table = {
 114         /*
 115          * The nvmem name differs from the partition name because of the
 116          * internal works of the nvmem framework.
 117          */
 118         .nvmem_name     = "MAC-Address0",
 119         .cells          = da850evm_nvmem_cells,
 120         .ncells         = ARRAY_SIZE(da850evm_nvmem_cells),
 121 };
 122
 123 static struct nvmem_cell_lookup da850evm_nvmem_cell_lookup = {
 124         .nvmem_name     = "MAC-Address0",
 125         .cell_name      = "macaddr",
 126         .dev_id         = "davinci_emac.1",
 127         .con_id         = "mac-address",
 128 };
 129
 130 static struct flash_platform_data da850evm_spiflash_data = {
 131         .name           = "m25p80",
 132         .parts          = da850evm_spiflash_part,
 133         .nr_parts       = ARRAY_SIZE(da850evm_spiflash_part),
 134         .type           = "m25p64",
 135 };
 136
 137 static struct davinci_spi_config da850evm_spiflash_cfg = {
 138         .io_type        = SPI_IO_TYPE_DMA,
 139         .c2tdelay       = 8,
 140         .t2cdelay       = 8,
 141 };
 142
 143 static struct spi_board_info da850evm_spi_info[] = {
 144         {
 145                 .modalias               = "m25p80",
 146                 .platform_data          = &da850evm_spiflash_data,
 147                 .controller_data        = &da850evm_spiflash_cfg,
 148                 .mode                   = SPI_MODE_0,
 149                 .max_speed_hz           = 30000000,
 150                 .bus_num                = 1,
 151                 .chip_select            = 0,
 152         },
 153 };
 154
 155 static struct mtd_partition da850_evm_norflash_partition[] = {
 156         {
 157                 .name           = "bootloaders + env",
 158                 .offset         = 0,
 159                 .size           = SZ_512K,
 160                 .mask_flags     = MTD_WRITEABLE,
 161         },
 162         {
 163                 .name           = "kernel",
 164                 .offset         = MTDPART_OFS_APPEND,
 165                 .size           = SZ_2M,
 166                 .mask_flags     = 0,
 167         },
 168         {
 169                 .name           = "filesystem",
 170                 .offset         = MTDPART_OFS_APPEND,
 171                 .size           = MTDPART_SIZ_FULL,
 172                 .mask_flags     = 0,
 173         },
 174 };
 175
 176 static struct physmap_flash_data da850_evm_norflash_data = {
 177         .width          = 2,
 178         .parts          = da850_evm_norflash_partition,
 179         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
 180 };
 181
 182 static struct resource da850_evm_norflash_resource[] = {
 183         {
 184                 .start  = DA8XX_AEMIF_CS2_BASE,
 185                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
 186                 .flags  = IORESOURCE_MEM,
 187         },
 188 };
 189
 190 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
 191  * (128K blocks). It may be used instead of the (default) SPI flash
 192  * to boot, using TI's tools to install the secondary boot loader
 193  * (UBL) and U-Boot.
 194  */
 195 static struct mtd_partition da850_evm_nandflash_partition[] = {
 196         {
 197                 .name           = "u-boot env",
 198                 .offset         = 0,
 199                 .size           = SZ_128K,
 200                 .mask_flags     = MTD_WRITEABLE,
 201          },
 202         {
 203                 .name           = "UBL",
 204                 .offset         = MTDPART_OFS_APPEND,
 205                 .size           = SZ_128K,
 206                 .mask_flags     = MTD_WRITEABLE,
 207         },
 208         {
 209                 .name           = "u-boot",
 210                 .offset         = MTDPART_OFS_APPEND,
 211                 .size           = 4 * SZ_128K,
 212                 .mask_flags     = MTD_WRITEABLE,
 213         },
 214         {
 215                 .name           = "kernel",
 216                 .offset         = 0x200000,
 217                 .size           = SZ_2M,
 218                 .mask_flags     = 0,
 219         },
 220         {
 221                 .name           = "filesystem",
 222                 .offset         = MTDPART_OFS_APPEND,
 223                 .size           = MTDPART_SIZ_FULL,
 224                 .mask_flags     = 0,
 225         },
 226 };
 227
 228 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
 229         .wsetup         = 24,
 230         .wstrobe        = 21,
 231         .whold          = 14,
 232         .rsetup         = 19,
 233         .rstrobe        = 50,
 234         .rhold          = 0,
 235         .ta             = 20,
 236 };
 237
 238 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 239         .core_chipsel   = 1,
 240         .parts          = da850_evm_nandflash_partition,
 241         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 242         .ecc_mode       = NAND_ECC_HW,
 243         .ecc_bits       = 4,
 244         .bbt_options    = NAND_BBT_USE_FLASH,
 245         .timing         = &da850_evm_nandflash_timing,
 246 };
 247
 248 static struct resource da850_evm_nandflash_resource[] = {
 249         {
 250                 .start  = DA8XX_AEMIF_CS3_BASE,
 251                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 252                 .flags  = IORESOURCE_MEM,
 253         },
 254         {
 255                 .start  = DA8XX_AEMIF_CTL_BASE,
 256                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 257                 .flags  = IORESOURCE_MEM,
 258         },
 259 };
 260
 261 static struct resource da850_evm_aemif_resource[] = {
 262         {
 263                 .start  = DA8XX_AEMIF_CTL_BASE,
 264                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K,
 265                 .flags  = IORESOURCE_MEM,
 266         }
 267 };
 268
 269 static struct aemif_abus_data da850_evm_aemif_abus_data[] = {
 270         {
 271                 .cs     = 3,
 272         }
 273 };
 274
 275 static struct platform_device da850_evm_aemif_devices[] = {
 276         {
 277                 .name           = "davinci_nand",
 278                 .id             = 1,
 279                 .dev            = {
 280                         .platform_data  = &da850_evm_nandflash_data,
 281                 },
 282                 .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 283                 .resource       = da850_evm_nandflash_resource,
 284         },
 285         {
 286                 .name           = "physmap-flash",
 287                 .id             = 0,
 288                 .dev            = {
 289                         .platform_data  = &da850_evm_norflash_data,
 290                 },
 291                 .num_resources  = 1,
 292                 .resource       = da850_evm_norflash_resource,
 293         }
 294 };
 295
 296 static struct aemif_platform_data da850_evm_aemif_pdata = {
 297         .cs_offset = 2,
 298         .abus_data = da850_evm_aemif_abus_data,
 299         .num_abus_data = ARRAY_SIZE(da850_evm_aemif_abus_data),
 300         .sub_devices = da850_evm_aemif_devices,
 301         .num_sub_devices = ARRAY_SIZE(da850_evm_aemif_devices),
 302 };
 303
 304 static struct platform_device da850_evm_aemif_device = {
 305         .name           = "ti-aemif",
 306         .id             = -1,
 307         .dev = {
 308                 .platform_data  = &da850_evm_aemif_pdata,
 309         },
 310         .resource       = da850_evm_aemif_resource,
 311         .num_resources  = ARRAY_SIZE(da850_evm_aemif_resource),
 312 };
 313
 314 static const short da850_evm_nand_pins[] = {
 315         DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
 316         DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
 317         DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
 318         DA850_NEMA_WE, DA850_NEMA_OE,
 319         -1
 320 };
 321
 322 static const short da850_evm_nor_pins[] = {
 323         DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
 324         DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
 325         DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
 326         DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
 327         DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
 328         DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
 329         DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
 330         DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
 331         DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
 332         DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
 333         DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
 334         DA850_EMA_A_22, DA850_EMA_A_23,
 335         -1
 336 };
 337
 338 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 339
 340 static inline void da850_evm_setup_nor_nand(void)
 341 {
 342         int ret = 0;
 343
 344         if (!HAS_MMC) {
 345                 ret = davinci_cfg_reg_list(da850_evm_nand_pins);
 346                 if (ret)
 347                         pr_warn("%s: NAND mux setup failed: %d\n",
 348                                 __func__, ret);
 349
 350                 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
 351                 if (ret)
 352                         pr_warn("%s: NOR mux setup failed: %d\n",
 353                                 __func__, ret);
 354
 355                 ret = platform_device_register(&da850_evm_aemif_device);
 356                 if (ret)
 357                         pr_warn("%s: registering aemif failed: %d\n",
 358                                 __func__, ret);
 359         }
 360 }
 361
 362 #ifdef CONFIG_DA850_UI_RMII
 363 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
 364 {
 365         struct davinci_soc_info *soc_info = &davinci_soc_info;
 366
 367         soc_info->emac_pdata->rmii_en = 1;
 368         gpio_set_value_cansleep(rmii_sel, 0);
 369 }
 370 #else
 371 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
 372 #endif
 373
 374
 375 #define DA850_KEYS_DEBOUNCE_MS  10
 376 /*
 377  * At 200ms polling interval it is possible to miss an
 378  * event by tapping very lightly on the push button but most
 379  * pushes do result in an event; longer intervals require the
 380  * user to hold the button whereas shorter intervals require
 381  * more CPU time for polling.
 382  */
 383 #define DA850_GPIO_KEYS_POLL_MS 200
 384
 385 enum da850_evm_ui_exp_pins {
 386         DA850_EVM_UI_EXP_SEL_C = 5,
 387         DA850_EVM_UI_EXP_SEL_B,
 388         DA850_EVM_UI_EXP_SEL_A,
 389         DA850_EVM_UI_EXP_PB8,
 390         DA850_EVM_UI_EXP_PB7,
 391         DA850_EVM_UI_EXP_PB6,
 392         DA850_EVM_UI_EXP_PB5,
 393         DA850_EVM_UI_EXP_PB4,
 394         DA850_EVM_UI_EXP_PB3,
 395         DA850_EVM_UI_EXP_PB2,
 396         DA850_EVM_UI_EXP_PB1,
 397 };
 398
 399 static const char * const da850_evm_ui_exp[] = {
 400         [DA850_EVM_UI_EXP_SEL_C]        = "sel_c",
 401         [DA850_EVM_UI_EXP_SEL_B]        = "sel_b",
 402         [DA850_EVM_UI_EXP_SEL_A]        = "sel_a",
 403         [DA850_EVM_UI_EXP_PB8]          = "pb8",
 404         [DA850_EVM_UI_EXP_PB7]          = "pb7",
 405         [DA850_EVM_UI_EXP_PB6]          = "pb6",
 406         [DA850_EVM_UI_EXP_PB5]          = "pb5",
 407         [DA850_EVM_UI_EXP_PB4]          = "pb4",
 408         [DA850_EVM_UI_EXP_PB3]          = "pb3",
 409         [DA850_EVM_UI_EXP_PB2]          = "pb2",
 410         [DA850_EVM_UI_EXP_PB1]          = "pb1",
 411 };
 412
 413 #define DA850_N_UI_PB           8
 414
 415 static struct gpio_keys_button da850_evm_ui_keys[] = {
 416         [0 ... DA850_N_UI_PB - 1] = {
 417                 .type                   = EV_KEY,
 418                 .active_low             = 1,
 419                 .wakeup                 = 0,
 420                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 421                 .code                   = -1, /* assigned at runtime */
 422                 .gpio                   = -1, /* assigned at runtime */
 423                 .desc                   = NULL, /* assigned at runtime */
 424         },
 425 };
 426
 427 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
 428         .buttons = da850_evm_ui_keys,
 429         .nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
 430         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 431 };
 432
 433 static struct platform_device da850_evm_ui_keys_device = {
 434         .name = "gpio-keys-polled",
 435         .id = 0,
 436         .dev = {
 437                 .platform_data = &da850_evm_ui_keys_pdata
 438         },
 439 };
 440
 441 static void da850_evm_ui_keys_init(unsigned gpio)
 442 {
 443         int i;
 444         struct gpio_keys_button *button;
 445
 446         for (i = 0; i < DA850_N_UI_PB; i++) {
 447                 button = &da850_evm_ui_keys[i];
 448                 button->code = KEY_F8 - i;
 449                 button->desc = da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
 450                 button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
 451         }
 452 }
 453
 454 #ifdef CONFIG_DA850_UI_SD_VIDEO_PORT
 455 static inline void da850_evm_setup_video_port(int video_sel)
 456 {
 457         gpio_set_value_cansleep(video_sel, 0);
 458 }
 459 #else
 460 static inline void da850_evm_setup_video_port(int video_sel) { }
 461 #endif
 462
 463 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 464                                                 unsigned ngpio, void *c)
 465 {
 466         int sel_a, sel_b, sel_c, ret;
 467
 468         sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
 469         sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
 470         sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
 471
 472         ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
 473         if (ret) {
 474                 pr_warn("Cannot open UI expander pin %d\n", sel_a);
 475                 goto exp_setup_sela_fail;
 476         }
 477
 478         ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
 479         if (ret) {
 480                 pr_warn("Cannot open UI expander pin %d\n", sel_b);
 481                 goto exp_setup_selb_fail;
 482         }
 483
 484         ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
 485         if (ret) {
 486                 pr_warn("Cannot open UI expander pin %d\n", sel_c);
 487                 goto exp_setup_selc_fail;
 488         }
 489
 490         /* deselect all functionalities */
 491         gpio_direction_output(sel_a, 1);
 492         gpio_direction_output(sel_b, 1);
 493         gpio_direction_output(sel_c, 1);
 494
 495         da850_evm_ui_keys_init(gpio);
 496         ret = platform_device_register(&da850_evm_ui_keys_device);
 497         if (ret) {
 498                 pr_warn("Could not register UI GPIO expander push-buttons");
 499                 goto exp_setup_keys_fail;
 500         }
 501
 502         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 503
 504         da850_evm_setup_nor_nand();
 505
 506         da850_evm_setup_emac_rmii(sel_a);
 507
 508         da850_evm_setup_video_port(sel_c);
 509
 510         return 0;
 511
 512 exp_setup_keys_fail:
 513         gpio_free(sel_c);
 514 exp_setup_selc_fail:
 515         gpio_free(sel_b);
 516 exp_setup_selb_fail:
 517         gpio_free(sel_a);
 518 exp_setup_sela_fail:
 519         return ret;
 520 }
 521
 522 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 523                                         unsigned gpio, unsigned ngpio, void *c)
 524 {
 525         platform_device_unregister(&da850_evm_ui_keys_device);
 526
 527         /* deselect all functionalities */
 528         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
 529         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
 530         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
 531
 532         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
 533         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
 534         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
 535
 536         return 0;
 537 }
 538
 539 /* assign the baseboard expander's GPIOs after the UI board's */
 540 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
 541 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
 542
 543 enum da850_evm_bb_exp_pins {
 544         DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
 545         DA850_EVM_BB_EXP_SW_RST,
 546         DA850_EVM_BB_EXP_TP_23,
 547         DA850_EVM_BB_EXP_TP_22,
 548         DA850_EVM_BB_EXP_TP_21,
 549         DA850_EVM_BB_EXP_USER_PB1,
 550         DA850_EVM_BB_EXP_USER_LED2,
 551         DA850_EVM_BB_EXP_USER_LED1,
 552         DA850_EVM_BB_EXP_USER_SW1,
 553         DA850_EVM_BB_EXP_USER_SW2,
 554         DA850_EVM_BB_EXP_USER_SW3,
 555         DA850_EVM_BB_EXP_USER_SW4,
 556         DA850_EVM_BB_EXP_USER_SW5,
 557         DA850_EVM_BB_EXP_USER_SW6,
 558         DA850_EVM_BB_EXP_USER_SW7,
 559         DA850_EVM_BB_EXP_USER_SW8
 560 };
 561
 562 static const char * const da850_evm_bb_exp[] = {
 563         [DA850_EVM_BB_EXP_DEEP_SLEEP_EN]        = "deep_sleep_en",
 564         [DA850_EVM_BB_EXP_SW_RST]               = "sw_rst",
 565         [DA850_EVM_BB_EXP_TP_23]                = "tp_23",
 566         [DA850_EVM_BB_EXP_TP_22]                = "tp_22",
 567         [DA850_EVM_BB_EXP_TP_21]                = "tp_21",
 568         [DA850_EVM_BB_EXP_USER_PB1]             = "user_pb1",
 569         [DA850_EVM_BB_EXP_USER_LED2]            = "user_led2",
 570         [DA850_EVM_BB_EXP_USER_LED1]            = "user_led1",
 571         [DA850_EVM_BB_EXP_USER_SW1]             = "user_sw1",
 572         [DA850_EVM_BB_EXP_USER_SW2]             = "user_sw2",
 573         [DA850_EVM_BB_EXP_USER_SW3]             = "user_sw3",
 574         [DA850_EVM_BB_EXP_USER_SW4]             = "user_sw4",
 575         [DA850_EVM_BB_EXP_USER_SW5]             = "user_sw5",
 576         [DA850_EVM_BB_EXP_USER_SW6]             = "user_sw6",
 577         [DA850_EVM_BB_EXP_USER_SW7]             = "user_sw7",
 578         [DA850_EVM_BB_EXP_USER_SW8]             = "user_sw8",
 579 };
 580
 581 #define DA850_N_BB_USER_SW      8
 582
 583 static struct gpio_keys_button da850_evm_bb_keys[] = {
 584         [0] = {
 585                 .type                   = EV_KEY,
 586                 .active_low             = 1,
 587                 .wakeup                 = 0,
 588                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 589                 .code                   = KEY_PROG1,
 590                 .desc                   = NULL, /* assigned at runtime */
 591                 .gpio                   = -1, /* assigned at runtime */
 592         },
 593         [1 ... DA850_N_BB_USER_SW] = {
 594                 .type                   = EV_SW,
 595                 .active_low             = 1,
 596                 .wakeup                 = 0,
 597                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 598                 .code                   = -1, /* assigned at runtime */
 599                 .desc                   = NULL, /* assigned at runtime */
 600                 .gpio                   = -1, /* assigned at runtime */
 601         },
 602 };
 603
 604 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
 605         .buttons = da850_evm_bb_keys,
 606         .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
 607         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 608 };
 609
 610 static struct platform_device da850_evm_bb_keys_device = {
 611         .name = "gpio-keys-polled",
 612         .id = 1,
 613         .dev = {
 614                 .platform_data = &da850_evm_bb_keys_pdata
 615         },
 616 };
 617
 618 static void da850_evm_bb_keys_init(unsigned gpio)
 619 {
 620         int i;
 621         struct gpio_keys_button *button;
 622
 623         button = &da850_evm_bb_keys[0];
 624         button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
 625         button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
 626
 627         for (i = 0; i < DA850_N_BB_USER_SW; i++) {
 628                 button = &da850_evm_bb_keys[i + 1];
 629                 button->code = SW_LID + i;
 630                 button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
 631                 button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
 632         }
 633 }
 634
 635 static struct gpio_led da850_evm_bb_leds[] = {
 636         {
 637                 .name = "user_led2",
 638         },
 639         {
 640                 .name = "user_led1",
 641         },
 642 };
 643
 644 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
 645         .leds = da850_evm_bb_leds,
 646         .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
 647 };
 648
 649 static struct gpiod_lookup_table da850_evm_bb_leds_gpio_table = {
 650         .dev_id = "leds-gpio",
 651         .table = {
 652                 GPIO_LOOKUP_IDX("i2c-bb-expander",
 653                                 DA850_EVM_BB_EXP_USER_LED2, NULL,
 654                                 0, GPIO_ACTIVE_LOW),
 655                 GPIO_LOOKUP_IDX("i2c-bb-expander",
 656                                 DA850_EVM_BB_EXP_USER_LED2 + 1, NULL,
 657                                 1, GPIO_ACTIVE_LOW),
 658
 659                 { },
 660         },
 661 };
 662
 663 static struct platform_device da850_evm_bb_leds_device = {
 664         .name           = "leds-gpio",
 665         .id             = -1,
 666         .dev = {
 667                 .platform_data = &da850_evm_bb_leds_pdata
 668         }
 669 };
 670
 671 static int da850_evm_bb_expander_setup(struct i2c_client *client,
 672                                                 unsigned gpio, unsigned ngpio,
 673                                                 void *c)
 674 {
 675         int ret;
 676
 677         /*
 678          * Register the switches and pushbutton on the baseboard as a gpio-keys
 679          * device.
 680          */
 681         da850_evm_bb_keys_init(gpio);
 682         ret = platform_device_register(&da850_evm_bb_keys_device);
 683         if (ret) {
 684                 pr_warn("Could not register baseboard GPIO expander keys");
 685                 goto io_exp_setup_sw_fail;
 686         }
 687
 688         gpiod_add_lookup_table(&da850_evm_bb_leds_gpio_table);
 689         ret = platform_device_register(&da850_evm_bb_leds_device);
 690         if (ret) {
 691                 pr_warn("Could not register baseboard GPIO expander LEDs");
 692                 goto io_exp_setup_leds_fail;
 693         }
 694
 695         return 0;
 696
 697 io_exp_setup_leds_fail:
 698         platform_device_unregister(&da850_evm_bb_keys_device);
 699 io_exp_setup_sw_fail:
 700         return ret;
 701 }
 702
 703 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
 704                                         unsigned gpio, unsigned ngpio, void *c)
 705 {
 706         platform_device_unregister(&da850_evm_bb_leds_device);
 707         platform_device_unregister(&da850_evm_bb_keys_device);
 708
 709         return 0;
 710 }
 711
 712 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 713         .gpio_base      = DAVINCI_N_GPIO,
 714         .setup          = da850_evm_ui_expander_setup,
 715         .teardown       = da850_evm_ui_expander_teardown,
 716         .names          = da850_evm_ui_exp,
 717 };
 718
 719 static struct pca953x_platform_data da850_evm_bb_expander_info = {
 720         .gpio_base      = DA850_BB_EXPANDER_GPIO_BASE,
 721         .setup          = da850_evm_bb_expander_setup,
 722         .teardown       = da850_evm_bb_expander_teardown,
 723         .names          = da850_evm_bb_exp,
 724 };
 725
 726 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 727         {
 728                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 729         },
 730         {
 731                 I2C_BOARD_INFO("tca6416", 0x20),
 732                 .dev_name = "ui-expander",
 733                 .platform_data = &da850_evm_ui_expander_info,
 734         },
 735         {
 736                 I2C_BOARD_INFO("tca6416", 0x21),
 737                 .dev_name = "bb-expander",
 738                 .platform_data = &da850_evm_bb_expander_info,
 739         },
 740 };
 741
 742 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 743         .bus_freq       = 100,  /* kHz */
 744         .bus_delay      = 0,    /* usec */
 745 };
 746
 747 /* davinci da850 evm audio machine driver */
 748 static u8 da850_iis_serializer_direction[] = {
 749         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 750         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 751         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 752         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 753 };
 754
 755 static struct snd_platform_data da850_evm_snd_data = {
 756         .tx_dma_offset          = 0x2000,
 757         .rx_dma_offset          = 0x2000,
 758         .op_mode                = DAVINCI_MCASP_IIS_MODE,
 759         .num_serializer         = ARRAY_SIZE(da850_iis_serializer_direction),
 760         .tdm_slots              = 2,
 761         .serial_dir             = da850_iis_serializer_direction,
 762         .asp_chan_q             = EVENTQ_0,
 763         .ram_chan_q             = EVENTQ_1,
 764         .version                = MCASP_VERSION_2,
 765         .txnumevt               = 1,
 766         .rxnumevt               = 1,
 767         .sram_size_playback     = SZ_8K,
 768         .sram_size_capture      = SZ_8K,
 769 };
 770
 771 static const short da850_evm_mcasp_pins[] __initconst = {
 772         DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
 773         DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
 774         DA850_AXR_11, DA850_AXR_12,
 775         -1
 776 };
 777
 778 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
 779 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
 780
 781 static struct gpiod_lookup_table mmc_gpios_table = {
 782         .dev_id = "da830-mmc.0",
 783         .table = {
 784                 /* gpio chip 2 contains gpio range 64-95 */
 785                 GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_CD_PIN, "cd",
 786                             GPIO_ACTIVE_LOW),
 787                 GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_WP_PIN, "wp",
 788                             GPIO_ACTIVE_HIGH),
 789                 { }
 790         },
 791 };
 792
 793 static struct davinci_mmc_config da850_mmc_config = {
 794         .wires          = 4,
 795         .max_freq       = 50000000,
 796         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 797 };
 798
 799 static const short da850_evm_mmcsd0_pins[] __initconst = {
 800         DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
 801         DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
 802         DA850_GPIO4_0, DA850_GPIO4_1,
 803         -1
 804 };
 805
 806 static struct property_entry da850_lcd_backlight_props[] = {
 807         PROPERTY_ENTRY_BOOL("default-on"),
 808         { }
 809 };
 810
 811 static struct gpiod_lookup_table da850_lcd_backlight_gpio_table = {
 812         .dev_id         = "gpio-backlight",
 813         .table = {
 814                 GPIO_LOOKUP("davinci_gpio", DA850_LCD_BL_PIN, NULL, 0),
 815                 { }
 816         },
 817 };
 818
 819 static const struct platform_device_info da850_lcd_backlight_info = {
 820         .name           = "gpio-backlight",
 821         .id             = PLATFORM_DEVID_NONE,
 822         .properties     = da850_lcd_backlight_props,
 823 };
 824
 825 static struct regulator_consumer_supply da850_lcd_supplies[] = {
 826         REGULATOR_SUPPLY("lcd", NULL),
 827 };
 828
 829 static struct regulator_init_data da850_lcd_supply_data = {
 830         .consumer_supplies      = da850_lcd_supplies,
 831         .num_consumer_supplies  = ARRAY_SIZE(da850_lcd_supplies),
 832         .constraints    = {
 833                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 834         },
 835 };
 836
 837 static struct fixed_voltage_config da850_lcd_supply = {
 838         .supply_name            = "lcd",
 839         .microvolts             = 33000000,
 840         .init_data              = &da850_lcd_supply_data,
 841 };
 842
 843 static struct platform_device da850_lcd_supply_device = {
 844         .name                   = "reg-fixed-voltage",
 845         .id                     = 1, /* Dummy fixed regulator is 0 */
 846         .dev                    = {
 847                 .platform_data = &da850_lcd_supply,
 848         },
 849 };
 850
 851 static struct gpiod_lookup_table da850_lcd_supply_gpio_table = {
 852         .dev_id                 = "reg-fixed-voltage.1",
 853         .table = {
 854                 GPIO_LOOKUP("davinci_gpio", DA850_LCD_PWR_PIN, NULL, 0),
 855                 { }
 856         },
 857 };
 858
 859 static struct gpiod_lookup_table *da850_lcd_gpio_lookups[] = {
 860         &da850_lcd_backlight_gpio_table,
 861         &da850_lcd_supply_gpio_table,
 862 };
 863
 864 static int da850_lcd_hw_init(void)
 865 {
 866         struct platform_device *backlight;
 867         int status;
 868
 869         gpiod_add_lookup_tables(da850_lcd_gpio_lookups,
 870                                 ARRAY_SIZE(da850_lcd_gpio_lookups));
 871
 872         backlight = platform_device_register_full(&da850_lcd_backlight_info);
 873         if (IS_ERR(backlight))
 874                 return PTR_ERR(backlight);
 875
 876         status = platform_device_register(&da850_lcd_supply_device);
 877         if (status)
 878                 return status;
 879
 880         return 0;
 881 }
 882
 883 /* Fixed regulator support */
 884 static struct regulator_consumer_supply fixed_supplies[] = {
 885         /* Baseboard 3.3V: 5V -> TPS73701DCQ -> 3.3V */
 886         REGULATOR_SUPPLY("AVDD", "1-0018"),
 887         REGULATOR_SUPPLY("DRVDD", "1-0018"),
 888
 889         /* Baseboard 1.8V: 5V -> TPS73701DCQ -> 1.8V */
 890         REGULATOR_SUPPLY("DVDD", "1-0018"),
 891
 892         /* UI card 3.3V: 5V -> TPS73701DCQ -> 3.3V */
 893         REGULATOR_SUPPLY("vcc", "1-0020"),
 894 };
 895
 896 /* TPS65070 voltage regulator support */
 897
 898 /* 3.3V */
 899 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 900         {
 901                 .supply = "usb0_vdda33",
 902         },
 903         {
 904                 .supply = "usb1_vdda33",
 905         },
 906 };
 907
 908 /* 3.3V or 1.8V */
 909 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 910         {
 911                 .supply = "dvdd3318_a",
 912         },
 913         {
 914                 .supply = "dvdd3318_b",
 915         },
 916         {
 917                 .supply = "dvdd3318_c",
 918         },
 919         REGULATOR_SUPPLY("IOVDD", "1-0018"),
 920 };
 921
 922 /* 1.2V */
 923 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 924         {
 925                 .supply = "cvdd",
 926         },
 927 };
 928
 929 /* 1.8V LDO */
 930 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 931         {
 932                 .supply = "sata_vddr",
 933         },
 934         {
 935                 .supply = "usb0_vdda18",
 936         },
 937         {
 938                 .supply = "usb1_vdda18",
 939         },
 940         {
 941                 .supply = "ddr_dvdd18",
 942         },
 943 };
 944
 945 /* 1.2V LDO */
 946 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 947         {
 948                 .supply = "sata_vdd",
 949         },
 950         {
 951                 .supply = "pll0_vdda",
 952         },
 953         {
 954                 .supply = "pll1_vdda",
 955         },
 956         {
 957                 .supply = "usbs_cvdd",
 958         },
 959         {
 960                 .supply = "vddarnwa1",
 961         },
 962 };
 963
 964 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
 965 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
 966         .defdcdc_default = true,
 967 };
 968
 969 static struct regulator_init_data tps65070_regulator_data[] = {
 970         /* dcdc1 */
 971         {
 972                 .constraints = {
 973                         .min_uV = 3150000,
 974                         .max_uV = 3450000,
 975                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 976                                 REGULATOR_CHANGE_STATUS),
 977                         .boot_on = 1,
 978                 },
 979                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 980                 .consumer_supplies = tps65070_dcdc1_consumers,
 981         },
 982
 983         /* dcdc2 */
 984         {
 985                 .constraints = {
 986                         .min_uV = 1710000,
 987                         .max_uV = 3450000,
 988                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 989                                 REGULATOR_CHANGE_STATUS),
 990                         .boot_on = 1,
 991                         .always_on = 1,
 992                 },
 993                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 994                 .consumer_supplies = tps65070_dcdc2_consumers,
 995                 .driver_data = &tps6507x_platform_data,
 996         },
 997
 998         /* dcdc3 */
 999         {
1000                 .constraints = {
1001                         .min_uV = 950000,
1002                         .max_uV = 1350000,
1003                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1004                                 REGULATOR_CHANGE_STATUS),
1005                         .boot_on = 1,
1006                 },
1007                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
1008                 .consumer_supplies = tps65070_dcdc3_consumers,
1009                 .driver_data = &tps6507x_platform_data,
1010         },
1011
1012         /* ldo1 */
1013         {
1014                 .constraints = {
1015                         .min_uV = 1710000,
1016                         .max_uV = 1890000,
1017                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1018                                 REGULATOR_CHANGE_STATUS),
1019                         .boot_on = 1,
1020                 },
1021                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
1022                 .consumer_supplies = tps65070_ldo1_consumers,
1023         },
1024
1025         /* ldo2 */
1026         {
1027                 .constraints = {
1028                         .min_uV = 1140000,
1029                         .max_uV = 1320000,
1030                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1031                                 REGULATOR_CHANGE_STATUS),
1032                         .boot_on = 1,
1033                 },
1034                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
1035                 .consumer_supplies = tps65070_ldo2_consumers,
1036         },
1037 };
1038
1039 static struct touchscreen_init_data tps6507x_touchscreen_data = {
1040         .poll_period =  30,     /* ms between touch samples */
1041         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
1042         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
1043         .product = 65070,       /* /sys/class/input/input?/id/product */
1044         .version = 0x100,       /* /sys/class/input/input?/id/version */
1045 };
1046
1047 static struct tps6507x_board tps_board = {
1048         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
1049         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
1050 };
1051
1052 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
1053         {
1054                 I2C_BOARD_INFO("tps6507x", 0x48),
1055                 .platform_data = &tps_board,
1056         },
1057 };
1058
1059 static int __init pmic_tps65070_init(void)
1060 {
1061         return i2c_register_board_info(1, da850_evm_tps65070_info,
1062                                         ARRAY_SIZE(da850_evm_tps65070_info));
1063 }
1064
1065 static const short da850_evm_lcdc_pins[] = {
1066         DA850_GPIO2_8, DA850_GPIO2_15,
1067         -1
1068 };
1069
1070 static const short da850_evm_mii_pins[] = {
1071         DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1072         DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1073         DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1074         DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1075         DA850_MDIO_D,
1076         -1
1077 };
1078
1079 static const short da850_evm_rmii_pins[] = {
1080         DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1081         DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1082         DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1083         DA850_MDIO_D,
1084         -1
1085 };
1086
1087 static struct gpiod_hog da850_evm_emac_gpio_hogs[] = {
1088         {
1089                 .chip_label     = "davinci_gpio",
1090                 .chip_hwnum     = DA850_MII_MDIO_CLKEN_PIN,
1091                 .line_name      = "mdio_clk_en",
1092                 .lflags         = 0,
1093                 /* dflags set in da850_evm_config_emac() */
1094         },
1095         { }
1096 };
1097
1098 static int __init da850_evm_config_emac(void)
1099 {
1100         void __iomem *cfg_chip3_base;
1101         int ret;
1102         u32 val;
1103         struct davinci_soc_info *soc_info = &davinci_soc_info;
1104         u8 rmii_en = soc_info->emac_pdata->rmii_en;
1105
1106         if (!machine_is_davinci_da850_evm())
1107                 return 0;
1108
1109         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
1110
1111         val = __raw_readl(cfg_chip3_base);
1112
1113         if (rmii_en) {
1114                 val |= BIT(8);
1115                 ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
1116                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1117                                                         " functional\n");
1118         } else {
1119                 val &= ~BIT(8);
1120                 ret = davinci_cfg_reg_list(da850_evm_mii_pins);
1121                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1122                                                         " functional\n");
1123         }
1124
1125         if (ret)
1126                 pr_warn("%s: CPGMAC/RMII mux setup failed: %d\n",
1127                         __func__, ret);
1128
1129         /* configure the CFGCHIP3 register for RMII or MII */
1130         __raw_writel(val, cfg_chip3_base);
1131
1132         ret = davinci_cfg_reg(DA850_GPIO2_6);
1133         if (ret)
1134                 pr_warn("%s:GPIO(2,6) mux setup failed\n", __func__);
1135
1136         da850_evm_emac_gpio_hogs[0].dflags = rmii_en ? GPIOD_OUT_HIGH
1137                                                      : GPIOD_OUT_LOW;
1138         gpiod_add_hogs(da850_evm_emac_gpio_hogs);
1139
1140         soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
1141
1142         ret = da8xx_register_emac();
1143         if (ret)
1144                 pr_warn("%s: EMAC registration failed: %d\n", __func__, ret);
1145
1146         return 0;
1147 }
1148 device_initcall(da850_evm_config_emac);
1149
1150 /*
1151  * The following EDMA channels/slots are not being used by drivers (for
1152  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1153  * they are being reserved for codecs on the DSP side.
1154  */
1155 static const s16 da850_dma0_rsv_chans[][2] = {
1156         /* (offset, number) */
1157         { 8,  6},
1158         {24,  4},
1159         {30,  2},
1160         {-1, -1}
1161 };
1162
1163 static const s16 da850_dma0_rsv_slots[][2] = {
1164         /* (offset, number) */
1165         { 8,  6},
1166         {24,  4},
1167         {30, 50},
1168         {-1, -1}
1169 };
1170
1171 static const s16 da850_dma1_rsv_chans[][2] = {
1172         /* (offset, number) */
1173         { 0, 28},
1174         {30,  2},
1175         {-1, -1}
1176 };
1177
1178 static const s16 da850_dma1_rsv_slots[][2] = {
1179         /* (offset, number) */
1180         { 0, 28},
1181         {30, 90},
1182         {-1, -1}
1183 };
1184
1185 static struct edma_rsv_info da850_edma_cc0_rsv = {
1186         .rsv_chans      = da850_dma0_rsv_chans,
1187         .rsv_slots      = da850_dma0_rsv_slots,
1188 };
1189
1190 static struct edma_rsv_info da850_edma_cc1_rsv = {
1191         .rsv_chans      = da850_dma1_rsv_chans,
1192         .rsv_slots      = da850_dma1_rsv_slots,
1193 };
1194
1195 static struct edma_rsv_info *da850_edma_rsv[2] = {
1196         &da850_edma_cc0_rsv,
1197         &da850_edma_cc1_rsv,
1198 };
1199
1200 #ifdef CONFIG_CPU_FREQ
1201 static __init int da850_evm_init_cpufreq(void)
1202 {
1203         switch (system_rev & 0xF) {
1204         case 3:
1205                 da850_max_speed = 456000;
1206                 break;
1207         case 2:
1208                 da850_max_speed = 408000;
1209                 break;
1210         case 1:
1211                 da850_max_speed = 372000;
1212                 break;
1213         }
1214
1215         return da850_register_cpufreq("pll0_sysclk3");
1216 }
1217 #else
1218 static __init int da850_evm_init_cpufreq(void) { return 0; }
1219 #endif
1220
1221 #if defined(CONFIG_DA850_UI_SD_VIDEO_PORT)
1222
1223 #define TVP5147_CH0             "tvp514x-0"
1224 #define TVP5147_CH1             "tvp514x-1"
1225
1226 /* VPIF capture configuration */
1227 static struct tvp514x_platform_data tvp5146_pdata = {
1228                 .clk_polarity = 0,
1229                 .hs_polarity  = 1,
1230                 .vs_polarity  = 1,
1231 };
1232
1233 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
1234
1235 static struct vpif_input da850_ch0_inputs[] = {
1236         {
1237                 .input = {
1238                         .index = 0,
1239                         .name  = "Composite",
1240                         .type  = V4L2_INPUT_TYPE_CAMERA,
1241                         .capabilities = V4L2_IN_CAP_STD,
1242                         .std   = TVP514X_STD_ALL,
1243                 },
1244                 .input_route = INPUT_CVBS_VI2B,
1245                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1246                 .subdev_name = TVP5147_CH0,
1247         },
1248 };
1249
1250 static struct vpif_input da850_ch1_inputs[] = {
1251         {
1252                 .input = {
1253                         .index = 0,
1254                         .name  = "S-Video",
1255                         .type  = V4L2_INPUT_TYPE_CAMERA,
1256                         .capabilities = V4L2_IN_CAP_STD,
1257                         .std   = TVP514X_STD_ALL,
1258                 },
1259                 .input_route = INPUT_SVIDEO_VI2C_VI1C,
1260                 .output_route = OUTPUT_10BIT_422_EMBEDDED_SYNC,
1261                 .subdev_name = TVP5147_CH1,
1262         },
1263 };
1264
1265 static struct vpif_subdev_info da850_vpif_capture_sdev_info[] = {
1266         {
1267                 .name = TVP5147_CH0,
1268                 .board_info = {
1269                         I2C_BOARD_INFO("tvp5146", 0x5d),
1270                         .platform_data = &tvp5146_pdata,
1271                 },
1272         },
1273         {
1274                 .name = TVP5147_CH1,
1275                 .board_info = {
1276                         I2C_BOARD_INFO("tvp5146", 0x5c),
1277                         .platform_data = &tvp5146_pdata,
1278                 },
1279         },
1280 };
1281
1282 static struct vpif_capture_config da850_vpif_capture_config = {
1283         .subdev_info = da850_vpif_capture_sdev_info,
1284         .subdev_count = ARRAY_SIZE(da850_vpif_capture_sdev_info),
1285         .i2c_adapter_id = 1,
1286         .chan_config[0] = {
1287                 .inputs = da850_ch0_inputs,
1288                 .input_count = ARRAY_SIZE(da850_ch0_inputs),
1289                 .vpif_if = {
1290                         .if_type = VPIF_IF_BT656,
1291                         .hd_pol  = 1,
1292                         .vd_pol  = 1,
1293                         .fid_pol = 0,
1294                 },
1295         },
1296         .chan_config[1] = {
1297                 .inputs = da850_ch1_inputs,
1298                 .input_count = ARRAY_SIZE(da850_ch1_inputs),
1299                 .vpif_if = {
1300                         .if_type = VPIF_IF_BT656,
1301                         .hd_pol  = 1,
1302                         .vd_pol  = 1,
1303                         .fid_pol = 0,
1304                 },
1305         },
1306         .card_name = "DA850/OMAP-L138 Video Capture",
1307 };
1308
1309 /* VPIF display configuration */
1310
1311 static struct adv7343_platform_data adv7343_pdata = {
1312         .mode_config = {
1313                 .dac = { 1, 1, 1 },
1314         },
1315         .sd_config = {
1316                 .sd_dac_out = { 1 },
1317         },
1318 };
1319
1320 static struct vpif_subdev_info da850_vpif_subdev[] = {
1321         {
1322                 .name = "adv7343",
1323                 .board_info = {
1324                         I2C_BOARD_INFO("adv7343", 0x2a),
1325                         .platform_data = &adv7343_pdata,
1326                 },
1327         },
1328 };
1329
1330 static const struct vpif_output da850_ch0_outputs[] = {
1331         {
1332                 .output = {
1333                         .index = 0,
1334                         .name = "Composite",
1335                         .type = V4L2_OUTPUT_TYPE_ANALOG,
1336                         .capabilities = V4L2_OUT_CAP_STD,
1337                         .std = V4L2_STD_ALL,
1338                 },
1339                 .subdev_name = "adv7343",
1340                 .output_route = ADV7343_COMPOSITE_ID,
1341         },
1342         {
1343                 .output = {
1344                         .index = 1,
1345                         .name = "S-Video",
1346                         .type = V4L2_OUTPUT_TYPE_ANALOG,
1347                         .capabilities = V4L2_OUT_CAP_STD,
1348                         .std = V4L2_STD_ALL,
1349                 },
1350                 .subdev_name = "adv7343",
1351                 .output_route = ADV7343_SVIDEO_ID,
1352         },
1353 };
1354
1355 static struct vpif_display_config da850_vpif_display_config = {
1356         .subdevinfo   = da850_vpif_subdev,
1357         .subdev_count = ARRAY_SIZE(da850_vpif_subdev),
1358         .chan_config[0] = {
1359                 .outputs = da850_ch0_outputs,
1360                 .output_count = ARRAY_SIZE(da850_ch0_outputs),
1361         },
1362         .card_name    = "DA850/OMAP-L138 Video Display",
1363         .i2c_adapter_id = 1,
1364 };
1365
1366 static __init void da850_vpif_init(void)
1367 {
1368         int ret;
1369
1370         ret = da850_register_vpif();
1371         if (ret)
1372                 pr_warn("da850_evm_init: VPIF setup failed: %d\n", ret);
1373
1374         ret = davinci_cfg_reg_list(da850_vpif_capture_pins);
1375         if (ret)
1376                 pr_warn("da850_evm_init: VPIF capture mux setup failed: %d\n",
1377                         ret);
1378
1379         ret = da850_register_vpif_capture(&da850_vpif_capture_config);
1380         if (ret)
1381                 pr_warn("da850_evm_init: VPIF capture setup failed: %d\n", ret);
1382
1383         ret = davinci_cfg_reg_list(da850_vpif_display_pins);
1384         if (ret)
1385                 pr_warn("da850_evm_init: VPIF display mux setup failed: %d\n",
1386                         ret);
1387
1388         ret = da850_register_vpif_display(&da850_vpif_display_config);
1389         if (ret)
1390                 pr_warn("da850_evm_init: VPIF display setup failed: %d\n", ret);
1391 }
1392
1393 #else
1394 static __init void da850_vpif_init(void) {}
1395 #endif
1396
1397 #define DA850EVM_SATA_REFCLKPN_RATE     (100 * 1000 * 1000)
1398
1399 static __init void da850_evm_init(void)
1400 {
1401         int ret;
1402
1403         da850_register_clocks();
1404
1405         ret = da850_register_gpio();
1406         if (ret)
1407                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
1408
1409         regulator_register_fixed(0, fixed_supplies, ARRAY_SIZE(fixed_supplies));
1410
1411         ret = pmic_tps65070_init();
1412         if (ret)
1413                 pr_warn("%s: TPS65070 PMIC init failed: %d\n", __func__, ret);
1414
1415         ret = da850_register_edma(da850_edma_rsv);
1416         if (ret)
1417                 pr_warn("%s: EDMA registration failed: %d\n", __func__, ret);
1418
1419         ret = davinci_cfg_reg_list(da850_i2c0_pins);
1420         if (ret)
1421                 pr_warn("%s: I2C0 mux setup failed: %d\n", __func__, ret);
1422
1423         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1424         if (ret)
1425                 pr_warn("%s: I2C0 registration failed: %d\n", __func__, ret);
1426
1427
1428         ret = da8xx_register_watchdog();
1429         if (ret)
1430                 pr_warn("%s: watchdog registration failed: %d\n",
1431                         __func__, ret);
1432
1433         if (HAS_MMC) {
1434                 ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1435                 if (ret)
1436                         pr_warn("%s: MMCSD0 mux setup failed: %d\n",
1437                                 __func__, ret);
1438
1439                 gpiod_add_lookup_table(&mmc_gpios_table);
1440
1441                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
1442                 if (ret)
1443                         pr_warn("%s: MMCSD0 registration failed: %d\n",
1444                                 __func__, ret);
1445         }
1446
1447         davinci_serial_init(da8xx_serial_device);
1448
1449         nvmem_add_cell_table(&da850evm_nvmem_cell_table);
1450         nvmem_add_cell_lookups(&da850evm_nvmem_cell_lookup, 1);
1451
1452         i2c_register_board_info(1, da850_evm_i2c_devices,
1453                         ARRAY_SIZE(da850_evm_i2c_devices));
1454
1455         /*
1456          * shut down uart 0 and 1; they are not used on the board and
1457          * accessing them causes endless "too much work in irq53" messages
1458          * with arago fs
1459          */
1460         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1461         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1462
1463         ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1464         if (ret)
1465                 pr_warn("%s: McASP mux setup failed: %d\n", __func__, ret);
1466
1467         da850_evm_snd_data.sram_pool = sram_get_gen_pool();
1468         da8xx_register_mcasp(0, &da850_evm_snd_data);
1469
1470         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1471         if (ret)
1472                 pr_warn("%s: LCDC mux setup failed: %d\n", __func__, ret);
1473
1474         ret = da8xx_register_uio_pruss();
1475         if (ret)
1476                 pr_warn("da850_evm_init: pruss initialization failed: %d\n",
1477                                 ret);
1478
1479         /* Handle board specific muxing for LCD here */
1480         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1481         if (ret)
1482                 pr_warn("%s: EVM specific LCD mux setup failed: %d\n",
1483                         __func__, ret);
1484
1485         ret = da850_lcd_hw_init();
1486         if (ret)
1487                 pr_warn("%s: LCD initialization failed: %d\n", __func__, ret);
1488
1489         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1490         if (ret)
1491                 pr_warn("%s: LCDC registration failed: %d\n", __func__, ret);
1492
1493         ret = da8xx_register_rtc();
1494         if (ret)
1495                 pr_warn("%s: RTC setup failed: %d\n", __func__, ret);
1496
1497         ret = da850_evm_init_cpufreq();
1498         if (ret)
1499                 pr_warn("%s: cpufreq registration failed: %d\n", __func__, ret);
1500
1501         ret = da8xx_register_cpuidle();
1502         if (ret)
1503                 pr_warn("%s: cpuidle registration failed: %d\n", __func__, ret);
1504
1505         davinci_pm_init();
1506         da850_vpif_init();
1507
1508         ret = spi_register_board_info(da850evm_spi_info,
1509                                       ARRAY_SIZE(da850evm_spi_info));
1510         if (ret)
1511                 pr_warn("%s: spi info registration failed: %d\n", __func__,
1512                         ret);
1513
1514         ret = da8xx_register_spi_bus(1, ARRAY_SIZE(da850evm_spi_info));
1515         if (ret)
1516                 pr_warn("%s: SPI 1 registration failed: %d\n", __func__, ret);
1517
1518         ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE);
1519         if (ret)
1520                 pr_warn("%s: SATA registration failed: %d\n", __func__, ret);
1521
1522         ret = da8xx_register_rproc();
1523         if (ret)
1524                 pr_warn("%s: dsp/rproc registration failed: %d\n",
1525                         __func__, ret);
1526
1527         regulator_has_full_constraints();
1528 }
1529
1530 #ifdef CONFIG_SERIAL_8250_CONSOLE
1531 static int __init da850_evm_console_init(void)
1532 {
1533         if (!machine_is_davinci_da850_evm())
1534                 return 0;
1535
1536         return add_preferred_console("ttyS", 2, "115200");
1537 }
1538 console_initcall(da850_evm_console_init);
1539 #endif
1540
1541 static void __init da850_evm_map_io(void)
1542 {
1543         da850_init();
1544 }
1545
1546 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1547         .atag_offset    = 0x100,
1548         .map_io         = da850_evm_map_io,
1549         .init_irq       = da850_init_irq,
1550         .init_time      = da850_init_time,
1551         .init_machine   = da850_evm_init,
1552         .init_late      = davinci_init_late,
1553         .dma_zone_size  = SZ_128M,
1554         .reserve        = da8xx_rproc_reserve_cma,
1555 MACHINE_END