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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * TI DA850/OMAP-L138 EVM board
   4  *
   5  * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/
   6  *
   7  * Derived from: arch/arm/mach-davinci/board-da830-evm.c
   8  * Original Copyrights follow:
   9  *
  10  * 2007, 2009 (c) MontaVista Software, Inc.
  11  */
  12 #include <linux/console.h>
  13 #include <linux/delay.h>
  14 #include <linux/gpio.h>
  15 #include <linux/gpio_keys.h>
  16 #include <linux/gpio/machine.h>
  17 #include <linux/init.h>
  18 #include <linux/kernel.h>
  19 #include <linux/leds.h>
  20 #include <linux/i2c.h>
  21 #include <linux/platform_data/pca953x.h>
  22 #include <linux/input.h>
  23 #include <linux/input/tps6507x-ts.h>
  24 #include <linux/mfd/tps6507x.h>
  25 #include <linux/mtd/mtd.h>
  26 #include <linux/mtd/rawnand.h>
  27 #include <linux/mtd/partitions.h>
  28 #include <linux/nvmem-provider.h>
  29 #include <linux/mtd/physmap.h>
  30 #include <linux/platform_device.h>
  31 #include <linux/platform_data/gpio-davinci.h>
  32 #include <linux/platform_data/mtd-davinci.h>
  33 #include <linux/platform_data/mtd-davinci-aemif.h>
  34 #include <linux/platform_data/ti-aemif.h>
  35 #include <linux/platform_data/spi-davinci.h>
  36 #include <linux/platform_data/uio_pruss.h>
  37 #include <linux/property.h>
  38 #include <linux/regulator/machine.h>
  39 #include <linux/regulator/tps6507x.h>
  40 #include <linux/regulator/fixed.h>
  41 #include <linux/spi/spi.h>
  42 #include <linux/spi/flash.h>
  43
  44 #include <mach/common.h>
  45 #include <mach/da8xx.h>
  46 #include <mach/mux.h>
  47
  48 #include "irqs.h"
  49 #include "sram.h"
  50
  51 #include <asm/mach-types.h>
  52 #include <asm/mach/arch.h>
  53 #include <asm/system_info.h>
  54
  55 #include <media/i2c/tvp514x.h>
  56 #include <media/i2c/adv7343.h>
  57
  58 #define DA850_EVM_PHY_ID                "davinci_mdio-0:00"
  59 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
  60 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
  61
  62 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
  63
  64 static struct mtd_partition da850evm_spiflash_part[] = {
  65         [0] = {
  66                 .name = "UBL",
  67                 .offset = 0,
  68                 .size = SZ_64K,
  69                 .mask_flags = MTD_WRITEABLE,
  70         },
  71         [1] = {
  72                 .name = "U-Boot",
  73                 .offset = MTDPART_OFS_APPEND,
  74                 .size = SZ_512K,
  75                 .mask_flags = MTD_WRITEABLE,
  76         },
  77         [2] = {
  78                 .name = "U-Boot-Env",
  79                 .offset = MTDPART_OFS_APPEND,
  80                 .size = SZ_64K,
  81                 .mask_flags = MTD_WRITEABLE,
  82         },
  83         [3] = {
  84                 .name = "Kernel",
  85                 .offset = MTDPART_OFS_APPEND,
  86                 .size = SZ_2M + SZ_512K,
  87                 .mask_flags = 0,
  88         },
  89         [4] = {
  90                 .name = "Filesystem",
  91                 .offset = MTDPART_OFS_APPEND,
  92                 .size = SZ_4M,
  93                 .mask_flags = 0,
  94         },
  95         [5] = {
  96                 .name = "MAC-Address",
  97                 .offset = SZ_8M - SZ_64K,
  98                 .size = SZ_64K,
  99                 .mask_flags = MTD_WRITEABLE,
 100         },
 101 };
 102
 103 static struct nvmem_cell_info da850evm_nvmem_cells[] = {
 104         {
 105                 .name           = "macaddr",
 106                 .offset         = 0x0,
 107                 .bytes          = ETH_ALEN,
 108         }
 109 };
 110
 111 static struct nvmem_cell_table da850evm_nvmem_cell_table = {
 112         /*
 113          * The nvmem name differs from the partition name because of the
 114          * internal works of the nvmem framework.
 115          */
 116         .nvmem_name     = "MAC-Address0",
 117         .cells          = da850evm_nvmem_cells,
 118         .ncells         = ARRAY_SIZE(da850evm_nvmem_cells),
 119 };
 120
 121 static struct nvmem_cell_lookup da850evm_nvmem_cell_lookup = {
 122         .nvmem_name     = "MAC-Address0",
 123         .cell_name      = "macaddr",
 124         .dev_id         = "davinci_emac.1",
 125         .con_id         = "mac-address",
 126 };
 127
 128 static struct flash_platform_data da850evm_spiflash_data = {
 129         .name           = "m25p80",
 130         .parts          = da850evm_spiflash_part,
 131         .nr_parts       = ARRAY_SIZE(da850evm_spiflash_part),
 132         .type           = "m25p64",
 133 };
 134
 135 static struct davinci_spi_config da850evm_spiflash_cfg = {
 136         .io_type        = SPI_IO_TYPE_DMA,
 137         .c2tdelay       = 8,
 138         .t2cdelay       = 8,
 139 };
 140
 141 static struct spi_board_info da850evm_spi_info[] = {
 142         {
 143                 .modalias               = "m25p80",
 144                 .platform_data          = &da850evm_spiflash_data,
 145                 .controller_data        = &da850evm_spiflash_cfg,
 146                 .mode                   = SPI_MODE_0,
 147                 .max_speed_hz           = 30000000,
 148                 .bus_num                = 1,
 149                 .chip_select            = 0,
 150         },
 151 };
 152
 153 static struct mtd_partition da850_evm_norflash_partition[] = {
 154         {
 155                 .name           = "bootloaders + env",
 156                 .offset         = 0,
 157                 .size           = SZ_512K,
 158                 .mask_flags     = MTD_WRITEABLE,
 159         },
 160         {
 161                 .name           = "kernel",
 162                 .offset         = MTDPART_OFS_APPEND,
 163                 .size           = SZ_2M,
 164                 .mask_flags     = 0,
 165         },
 166         {
 167                 .name           = "filesystem",
 168                 .offset         = MTDPART_OFS_APPEND,
 169                 .size           = MTDPART_SIZ_FULL,
 170                 .mask_flags     = 0,
 171         },
 172 };
 173
 174 static struct physmap_flash_data da850_evm_norflash_data = {
 175         .width          = 2,
 176         .parts          = da850_evm_norflash_partition,
 177         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
 178 };
 179
 180 static struct resource da850_evm_norflash_resource[] = {
 181         {
 182                 .start  = DA8XX_AEMIF_CS2_BASE,
 183                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
 184                 .flags  = IORESOURCE_MEM,
 185         },
 186 };
 187
 188 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
 189  * (128K blocks). It may be used instead of the (default) SPI flash
 190  * to boot, using TI's tools to install the secondary boot loader
 191  * (UBL) and U-Boot.
 192  */
 193 static struct mtd_partition da850_evm_nandflash_partition[] = {
 194         {
 195                 .name           = "u-boot env",
 196                 .offset         = 0,
 197                 .size           = SZ_128K,
 198                 .mask_flags     = MTD_WRITEABLE,
 199          },
 200         {
 201                 .name           = "UBL",
 202                 .offset         = MTDPART_OFS_APPEND,
 203                 .size           = SZ_128K,
 204                 .mask_flags     = MTD_WRITEABLE,
 205         },
 206         {
 207                 .name           = "u-boot",
 208                 .offset         = MTDPART_OFS_APPEND,
 209                 .size           = 4 * SZ_128K,
 210                 .mask_flags     = MTD_WRITEABLE,
 211         },
 212         {
 213                 .name           = "kernel",
 214                 .offset         = 0x200000,
 215                 .size           = SZ_2M,
 216                 .mask_flags     = 0,
 217         },
 218         {
 219                 .name           = "filesystem",
 220                 .offset         = MTDPART_OFS_APPEND,
 221                 .size           = MTDPART_SIZ_FULL,
 222                 .mask_flags     = 0,
 223         },
 224 };
 225
 226 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
 227         .wsetup         = 24,
 228         .wstrobe        = 21,
 229         .whold          = 14,
 230         .rsetup         = 19,
 231         .rstrobe        = 50,
 232         .rhold          = 0,
 233         .ta             = 20,
 234 };
 235
 236 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 237         .core_chipsel   = 1,
 238         .parts          = da850_evm_nandflash_partition,
 239         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 240         .engine_type    = NAND_ECC_ENGINE_TYPE_ON_HOST,
 241         .ecc_bits       = 4,
 242         .bbt_options    = NAND_BBT_USE_FLASH,
 243         .timing         = &da850_evm_nandflash_timing,
 244 };
 245
 246 static struct resource da850_evm_nandflash_resource[] = {
 247         {
 248                 .start  = DA8XX_AEMIF_CS3_BASE,
 249                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 250                 .flags  = IORESOURCE_MEM,
 251         },
 252         {
 253                 .start  = DA8XX_AEMIF_CTL_BASE,
 254                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 255                 .flags  = IORESOURCE_MEM,
 256         },
 257 };
 258
 259 static struct resource da850_evm_aemif_resource[] = {
 260         {
 261                 .start  = DA8XX_AEMIF_CTL_BASE,
 262                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K,
 263                 .flags  = IORESOURCE_MEM,
 264         }
 265 };
 266
 267 static struct aemif_abus_data da850_evm_aemif_abus_data[] = {
 268         {
 269                 .cs     = 3,
 270         }
 271 };
 272
 273 static struct platform_device da850_evm_aemif_devices[] = {
 274         {
 275                 .name           = "davinci_nand",
 276                 .id             = 1,
 277                 .dev            = {
 278                         .platform_data  = &da850_evm_nandflash_data,
 279                 },
 280                 .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 281                 .resource       = da850_evm_nandflash_resource,
 282         },
 283         {
 284                 .name           = "physmap-flash",
 285                 .id             = 0,
 286                 .dev            = {
 287                         .platform_data  = &da850_evm_norflash_data,
 288                 },
 289                 .num_resources  = 1,
 290                 .resource       = da850_evm_norflash_resource,
 291         }
 292 };
 293
 294 static struct aemif_platform_data da850_evm_aemif_pdata = {
 295         .cs_offset = 2,
 296         .abus_data = da850_evm_aemif_abus_data,
 297         .num_abus_data = ARRAY_SIZE(da850_evm_aemif_abus_data),
 298         .sub_devices = da850_evm_aemif_devices,
 299         .num_sub_devices = ARRAY_SIZE(da850_evm_aemif_devices),
 300 };
 301
 302 static struct platform_device da850_evm_aemif_device = {
 303         .name           = "ti-aemif",
 304         .id             = -1,
 305         .dev = {
 306                 .platform_data  = &da850_evm_aemif_pdata,
 307         },
 308         .resource       = da850_evm_aemif_resource,
 309         .num_resources  = ARRAY_SIZE(da850_evm_aemif_resource),
 310 };
 311
 312 static const short da850_evm_nand_pins[] = {
 313         DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
 314         DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
 315         DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
 316         DA850_NEMA_WE, DA850_NEMA_OE,
 317         -1
 318 };
 319
 320 static const short da850_evm_nor_pins[] = {
 321         DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
 322         DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
 323         DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
 324         DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
 325         DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
 326         DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
 327         DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
 328         DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
 329         DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
 330         DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
 331         DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
 332         DA850_EMA_A_22, DA850_EMA_A_23,
 333         -1
 334 };
 335
 336 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 337
 338 static inline void da850_evm_setup_nor_nand(void)
 339 {
 340         int ret = 0;
 341
 342         if (!HAS_MMC) {
 343                 ret = davinci_cfg_reg_list(da850_evm_nand_pins);
 344                 if (ret)
 345                         pr_warn("%s: NAND mux setup failed: %d\n",
 346                                 __func__, ret);
 347
 348                 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
 349                 if (ret)
 350                         pr_warn("%s: NOR mux setup failed: %d\n",
 351                                 __func__, ret);
 352
 353                 ret = platform_device_register(&da850_evm_aemif_device);
 354                 if (ret)
 355                         pr_warn("%s: registering aemif failed: %d\n",
 356                                 __func__, ret);
 357         }
 358 }
 359
 360 #ifdef CONFIG_DA850_UI_RMII
 361 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
 362 {
 363         struct davinci_soc_info *soc_info = &davinci_soc_info;
 364
 365         soc_info->emac_pdata->rmii_en = 1;
 366         gpio_set_value_cansleep(rmii_sel, 0);
 367 }
 368 #else
 369 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
 370 #endif
 371
 372
 373 #define DA850_KEYS_DEBOUNCE_MS  10
 374 /*
 375  * At 200ms polling interval it is possible to miss an
 376  * event by tapping very lightly on the push button but most
 377  * pushes do result in an event; longer intervals require the
 378  * user to hold the button whereas shorter intervals require
 379  * more CPU time for polling.
 380  */
 381 #define DA850_GPIO_KEYS_POLL_MS 200
 382
 383 enum da850_evm_ui_exp_pins {
 384         DA850_EVM_UI_EXP_SEL_C = 5,
 385         DA850_EVM_UI_EXP_SEL_B,
 386         DA850_EVM_UI_EXP_SEL_A,
 387         DA850_EVM_UI_EXP_PB8,
 388         DA850_EVM_UI_EXP_PB7,
 389         DA850_EVM_UI_EXP_PB6,
 390         DA850_EVM_UI_EXP_PB5,
 391         DA850_EVM_UI_EXP_PB4,
 392         DA850_EVM_UI_EXP_PB3,
 393         DA850_EVM_UI_EXP_PB2,
 394         DA850_EVM_UI_EXP_PB1,
 395 };
 396
 397 static const char * const da850_evm_ui_exp[] = {
 398         [DA850_EVM_UI_EXP_SEL_C]        = "sel_c",
 399         [DA850_EVM_UI_EXP_SEL_B]        = "sel_b",
 400         [DA850_EVM_UI_EXP_SEL_A]        = "sel_a",
 401         [DA850_EVM_UI_EXP_PB8]          = "pb8",
 402         [DA850_EVM_UI_EXP_PB7]          = "pb7",
 403         [DA850_EVM_UI_EXP_PB6]          = "pb6",
 404         [DA850_EVM_UI_EXP_PB5]          = "pb5",
 405         [DA850_EVM_UI_EXP_PB4]          = "pb4",
 406         [DA850_EVM_UI_EXP_PB3]          = "pb3",
 407         [DA850_EVM_UI_EXP_PB2]          = "pb2",
 408         [DA850_EVM_UI_EXP_PB1]          = "pb1",
 409 };
 410
 411 #define DA850_N_UI_PB           8
 412
 413 static struct gpio_keys_button da850_evm_ui_keys[] = {
 414         [0 ... DA850_N_UI_PB - 1] = {
 415                 .type                   = EV_KEY,
 416                 .active_low             = 1,
 417                 .wakeup                 = 0,
 418                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 419                 .code                   = -1, /* assigned at runtime */
 420                 .gpio                   = -1, /* assigned at runtime */
 421                 .desc                   = NULL, /* assigned at runtime */
 422         },
 423 };
 424
 425 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
 426         .buttons = da850_evm_ui_keys,
 427         .nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
 428         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 429 };
 430
 431 static struct platform_device da850_evm_ui_keys_device = {
 432         .name = "gpio-keys-polled",
 433         .id = 0,
 434         .dev = {
 435                 .platform_data = &da850_evm_ui_keys_pdata
 436         },
 437 };
 438
 439 static void da850_evm_ui_keys_init(unsigned gpio)
 440 {
 441         int i;
 442         struct gpio_keys_button *button;
 443
 444         for (i = 0; i < DA850_N_UI_PB; i++) {
 445                 button = &da850_evm_ui_keys[i];
 446                 button->code = KEY_F8 - i;
 447                 button->desc = da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
 448                 button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
 449         }
 450 }
 451
 452 #ifdef CONFIG_DA850_UI_SD_VIDEO_PORT
 453 static inline void da850_evm_setup_video_port(int video_sel)
 454 {
 455         gpio_set_value_cansleep(video_sel, 0);
 456 }
 457 #else
 458 static inline void da850_evm_setup_video_port(int video_sel) { }
 459 #endif
 460
 461 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 462                                                 unsigned ngpio, void *c)
 463 {
 464         int sel_a, sel_b, sel_c, ret;
 465
 466         sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
 467         sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
 468         sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
 469
 470         ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
 471         if (ret) {
 472                 pr_warn("Cannot open UI expander pin %d\n", sel_a);
 473                 goto exp_setup_sela_fail;
 474         }
 475
 476         ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
 477         if (ret) {
 478                 pr_warn("Cannot open UI expander pin %d\n", sel_b);
 479                 goto exp_setup_selb_fail;
 480         }
 481
 482         ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
 483         if (ret) {
 484                 pr_warn("Cannot open UI expander pin %d\n", sel_c);
 485                 goto exp_setup_selc_fail;
 486         }
 487
 488         /* deselect all functionalities */
 489         gpio_direction_output(sel_a, 1);
 490         gpio_direction_output(sel_b, 1);
 491         gpio_direction_output(sel_c, 1);
 492
 493         da850_evm_ui_keys_init(gpio);
 494         ret = platform_device_register(&da850_evm_ui_keys_device);
 495         if (ret) {
 496                 pr_warn("Could not register UI GPIO expander push-buttons");
 497                 goto exp_setup_keys_fail;
 498         }
 499
 500         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 501
 502         da850_evm_setup_nor_nand();
 503
 504         da850_evm_setup_emac_rmii(sel_a);
 505
 506         da850_evm_setup_video_port(sel_c);
 507
 508         return 0;
 509
 510 exp_setup_keys_fail:
 511         gpio_free(sel_c);
 512 exp_setup_selc_fail:
 513         gpio_free(sel_b);
 514 exp_setup_selb_fail:
 515         gpio_free(sel_a);
 516 exp_setup_sela_fail:
 517         return ret;
 518 }
 519
 520 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 521                                         unsigned gpio, unsigned ngpio, void *c)
 522 {
 523         platform_device_unregister(&da850_evm_ui_keys_device);
 524
 525         /* deselect all functionalities */
 526         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
 527         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
 528         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
 529
 530         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
 531         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
 532         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
 533
 534         return 0;
 535 }
 536
 537 /* assign the baseboard expander's GPIOs after the UI board's */
 538 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
 539 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
 540
 541 enum da850_evm_bb_exp_pins {
 542         DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
 543         DA850_EVM_BB_EXP_SW_RST,
 544         DA850_EVM_BB_EXP_TP_23,
 545         DA850_EVM_BB_EXP_TP_22,
 546         DA850_EVM_BB_EXP_TP_21,
 547         DA850_EVM_BB_EXP_USER_PB1,
 548         DA850_EVM_BB_EXP_USER_LED2,
 549         DA850_EVM_BB_EXP_USER_LED1,
 550         DA850_EVM_BB_EXP_USER_SW1,
 551         DA850_EVM_BB_EXP_USER_SW2,
 552         DA850_EVM_BB_EXP_USER_SW3,
 553         DA850_EVM_BB_EXP_USER_SW4,
 554         DA850_EVM_BB_EXP_USER_SW5,
 555         DA850_EVM_BB_EXP_USER_SW6,
 556         DA850_EVM_BB_EXP_USER_SW7,
 557         DA850_EVM_BB_EXP_USER_SW8
 558 };
 559
 560 static const char * const da850_evm_bb_exp[] = {
 561         [DA850_EVM_BB_EXP_DEEP_SLEEP_EN]        = "deep_sleep_en",
 562         [DA850_EVM_BB_EXP_SW_RST]               = "sw_rst",
 563         [DA850_EVM_BB_EXP_TP_23]                = "tp_23",
 564         [DA850_EVM_BB_EXP_TP_22]                = "tp_22",
 565         [DA850_EVM_BB_EXP_TP_21]                = "tp_21",
 566         [DA850_EVM_BB_EXP_USER_PB1]             = "user_pb1",
 567         [DA850_EVM_BB_EXP_USER_LED2]            = "user_led2",
 568         [DA850_EVM_BB_EXP_USER_LED1]            = "user_led1",
 569         [DA850_EVM_BB_EXP_USER_SW1]             = "user_sw1",
 570         [DA850_EVM_BB_EXP_USER_SW2]             = "user_sw2",
 571         [DA850_EVM_BB_EXP_USER_SW3]             = "user_sw3",
 572         [DA850_EVM_BB_EXP_USER_SW4]             = "user_sw4",
 573         [DA850_EVM_BB_EXP_USER_SW5]             = "user_sw5",
 574         [DA850_EVM_BB_EXP_USER_SW6]             = "user_sw6",
 575         [DA850_EVM_BB_EXP_USER_SW7]             = "user_sw7",
 576         [DA850_EVM_BB_EXP_USER_SW8]             = "user_sw8",
 577 };
 578
 579 #define DA850_N_BB_USER_SW      8
 580
 581 static struct gpio_keys_button da850_evm_bb_keys[] = {
 582         [0] = {
 583                 .type                   = EV_KEY,
 584                 .active_low             = 1,
 585                 .wakeup                 = 0,
 586                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 587                 .code                   = KEY_PROG1,
 588                 .desc                   = NULL, /* assigned at runtime */
 589                 .gpio                   = -1, /* assigned at runtime */
 590         },
 591         [1 ... DA850_N_BB_USER_SW] = {
 592                 .type                   = EV_SW,
 593                 .active_low             = 1,
 594                 .wakeup                 = 0,
 595                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 596                 .code                   = -1, /* assigned at runtime */
 597                 .desc                   = NULL, /* assigned at runtime */
 598                 .gpio                   = -1, /* assigned at runtime */
 599         },
 600 };
 601
 602 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
 603         .buttons = da850_evm_bb_keys,
 604         .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
 605         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 606 };
 607
 608 static struct platform_device da850_evm_bb_keys_device = {
 609         .name = "gpio-keys-polled",
 610         .id = 1,
 611         .dev = {
 612                 .platform_data = &da850_evm_bb_keys_pdata
 613         },
 614 };
 615
 616 static void da850_evm_bb_keys_init(unsigned gpio)
 617 {
 618         int i;
 619         struct gpio_keys_button *button;
 620
 621         button = &da850_evm_bb_keys[0];
 622         button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
 623         button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
 624
 625         for (i = 0; i < DA850_N_BB_USER_SW; i++) {
 626                 button = &da850_evm_bb_keys[i + 1];
 627                 button->code = SW_LID + i;
 628                 button->desc = da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
 629                 button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
 630         }
 631 }
 632
 633 static struct gpio_led da850_evm_bb_leds[] = {
 634         {
 635                 .name = "user_led2",
 636         },
 637         {
 638                 .name = "user_led1",
 639         },
 640 };
 641
 642 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
 643         .leds = da850_evm_bb_leds,
 644         .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
 645 };
 646
 647 static struct gpiod_lookup_table da850_evm_bb_leds_gpio_table = {
 648         .dev_id = "leds-gpio",
 649         .table = {
 650                 GPIO_LOOKUP_IDX("i2c-bb-expander",
 651                                 DA850_EVM_BB_EXP_USER_LED2, NULL,
 652                                 0, GPIO_ACTIVE_LOW),
 653                 GPIO_LOOKUP_IDX("i2c-bb-expander",
 654                                 DA850_EVM_BB_EXP_USER_LED2 + 1, NULL,
 655                                 1, GPIO_ACTIVE_LOW),
 656
 657                 { },
 658         },
 659 };
 660
 661 static struct platform_device da850_evm_bb_leds_device = {
 662         .name           = "leds-gpio",
 663         .id             = -1,
 664         .dev = {
 665                 .platform_data = &da850_evm_bb_leds_pdata
 666         }
 667 };
 668
 669 static int da850_evm_bb_expander_setup(struct i2c_client *client,
 670                                                 unsigned gpio, unsigned ngpio,
 671                                                 void *c)
 672 {
 673         int ret;
 674
 675         /*
 676          * Register the switches and pushbutton on the baseboard as a gpio-keys
 677          * device.
 678          */
 679         da850_evm_bb_keys_init(gpio);
 680         ret = platform_device_register(&da850_evm_bb_keys_device);
 681         if (ret) {
 682                 pr_warn("Could not register baseboard GPIO expander keys");
 683                 goto io_exp_setup_sw_fail;
 684         }
 685
 686         gpiod_add_lookup_table(&da850_evm_bb_leds_gpio_table);
 687         ret = platform_device_register(&da850_evm_bb_leds_device);
 688         if (ret) {
 689                 pr_warn("Could not register baseboard GPIO expander LEDs");
 690                 goto io_exp_setup_leds_fail;
 691         }
 692
 693         return 0;
 694
 695 io_exp_setup_leds_fail:
 696         platform_device_unregister(&da850_evm_bb_keys_device);
 697 io_exp_setup_sw_fail:
 698         return ret;
 699 }
 700
 701 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
 702                                         unsigned gpio, unsigned ngpio, void *c)
 703 {
 704         platform_device_unregister(&da850_evm_bb_leds_device);
 705         platform_device_unregister(&da850_evm_bb_keys_device);
 706
 707         return 0;
 708 }
 709
 710 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 711         .gpio_base      = DAVINCI_N_GPIO,
 712         .setup          = da850_evm_ui_expander_setup,
 713         .teardown       = da850_evm_ui_expander_teardown,
 714         .names          = da850_evm_ui_exp,
 715 };
 716
 717 static struct pca953x_platform_data da850_evm_bb_expander_info = {
 718         .gpio_base      = DA850_BB_EXPANDER_GPIO_BASE,
 719         .setup          = da850_evm_bb_expander_setup,
 720         .teardown       = da850_evm_bb_expander_teardown,
 721         .names          = da850_evm_bb_exp,
 722 };
 723
 724 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 725         {
 726                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 727         },
 728         {
 729                 I2C_BOARD_INFO("tca6416", 0x20),
 730                 .dev_name = "ui-expander",
 731                 .platform_data = &da850_evm_ui_expander_info,
 732         },
 733         {
 734                 I2C_BOARD_INFO("tca6416", 0x21),
 735                 .dev_name = "bb-expander",
 736                 .platform_data = &da850_evm_bb_expander_info,
 737         },
 738 };
 739
 740 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 741         .bus_freq       = 100,  /* kHz */
 742         .bus_delay      = 0,    /* usec */
 743 };
 744
 745 /* davinci da850 evm audio machine driver */
 746 static u8 da850_iis_serializer_direction[] = {
 747         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 748         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 749         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 750         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 751 };
 752
 753 static struct snd_platform_data da850_evm_snd_data = {
 754         .tx_dma_offset          = 0x2000,
 755         .rx_dma_offset          = 0x2000,
 756         .op_mode                = DAVINCI_MCASP_IIS_MODE,
 757         .num_serializer         = ARRAY_SIZE(da850_iis_serializer_direction),
 758         .tdm_slots              = 2,
 759         .serial_dir             = da850_iis_serializer_direction,
 760         .asp_chan_q             = EVENTQ_0,
 761         .ram_chan_q             = EVENTQ_1,
 762         .version                = MCASP_VERSION_2,
 763         .txnumevt               = 1,
 764         .rxnumevt               = 1,
 765         .sram_size_playback     = SZ_8K,
 766         .sram_size_capture      = SZ_8K,
 767 };
 768
 769 static const short da850_evm_mcasp_pins[] __initconst = {
 770         DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
 771         DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
 772         DA850_AXR_11, DA850_AXR_12,
 773         -1
 774 };
 775
 776 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
 777 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
 778
 779 static struct gpiod_lookup_table mmc_gpios_table = {
 780         .dev_id = "da830-mmc.0",
 781         .table = {
 782                 /* gpio chip 2 contains gpio range 64-95 */
 783                 GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_CD_PIN, "cd",
 784                             GPIO_ACTIVE_LOW),
 785                 GPIO_LOOKUP("davinci_gpio", DA850_MMCSD_WP_PIN, "wp",
 786                             GPIO_ACTIVE_HIGH),
 787                 { }
 788         },
 789 };
 790
 791 static struct davinci_mmc_config da850_mmc_config = {
 792         .wires          = 4,
 793         .max_freq       = 50000000,
 794         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 795 };
 796
 797 static const short da850_evm_mmcsd0_pins[] __initconst = {
 798         DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
 799         DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
 800         DA850_GPIO4_0, DA850_GPIO4_1,
 801         -1
 802 };
 803
 804 static struct property_entry da850_lcd_backlight_props[] = {
 805         PROPERTY_ENTRY_BOOL("default-on"),
 806         { }
 807 };
 808
 809 static struct gpiod_lookup_table da850_lcd_backlight_gpio_table = {
 810         .dev_id         = "gpio-backlight",
 811         .table = {
 812                 GPIO_LOOKUP("davinci_gpio", DA850_LCD_BL_PIN, NULL, 0),
 813                 { }
 814         },
 815 };
 816
 817 static const struct platform_device_info da850_lcd_backlight_info = {
 818         .name           = "gpio-backlight",
 819         .id             = PLATFORM_DEVID_NONE,
 820         .properties     = da850_lcd_backlight_props,
 821 };
 822
 823 static struct regulator_consumer_supply da850_lcd_supplies[] = {
 824         REGULATOR_SUPPLY("lcd", NULL),
 825 };
 826
 827 static struct regulator_init_data da850_lcd_supply_data = {
 828         .consumer_supplies      = da850_lcd_supplies,
 829         .num_consumer_supplies  = ARRAY_SIZE(da850_lcd_supplies),
 830         .constraints    = {
 831                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 832         },
 833 };
 834
 835 static struct fixed_voltage_config da850_lcd_supply = {
 836         .supply_name            = "lcd",
 837         .microvolts             = 33000000,
 838         .init_data              = &da850_lcd_supply_data,
 839 };
 840
 841 static struct platform_device da850_lcd_supply_device = {
 842         .name                   = "reg-fixed-voltage",
 843         .id                     = 1, /* Dummy fixed regulator is 0 */
 844         .dev                    = {
 845                 .platform_data = &da850_lcd_supply,
 846         },
 847 };
 848
 849 static struct gpiod_lookup_table da850_lcd_supply_gpio_table = {
 850         .dev_id                 = "reg-fixed-voltage.1",
 851         .table = {
 852                 GPIO_LOOKUP("davinci_gpio", DA850_LCD_PWR_PIN, NULL, 0),
 853                 { }
 854         },
 855 };
 856
 857 static struct gpiod_lookup_table *da850_lcd_gpio_lookups[] = {
 858         &da850_lcd_backlight_gpio_table,
 859         &da850_lcd_supply_gpio_table,
 860 };
 861
 862 static int da850_lcd_hw_init(void)
 863 {
 864         struct platform_device *backlight;
 865         int status;
 866
 867         gpiod_add_lookup_tables(da850_lcd_gpio_lookups,
 868                                 ARRAY_SIZE(da850_lcd_gpio_lookups));
 869
 870         backlight = platform_device_register_full(&da850_lcd_backlight_info);
 871         if (IS_ERR(backlight))
 872                 return PTR_ERR(backlight);
 873
 874         status = platform_device_register(&da850_lcd_supply_device);
 875         if (status)
 876                 return status;
 877
 878         return 0;
 879 }
 880
 881 /* Fixed regulator support */
 882 static struct regulator_consumer_supply fixed_supplies[] = {
 883         /* Baseboard 3.3V: 5V -> TPS73701DCQ -> 3.3V */
 884         REGULATOR_SUPPLY("AVDD", "1-0018"),
 885         REGULATOR_SUPPLY("DRVDD", "1-0018"),
 886
 887         /* Baseboard 1.8V: 5V -> TPS73701DCQ -> 1.8V */
 888         REGULATOR_SUPPLY("DVDD", "1-0018"),
 889
 890         /* UI card 3.3V: 5V -> TPS73701DCQ -> 3.3V */
 891         REGULATOR_SUPPLY("vcc", "1-0020"),
 892 };
 893
 894 /* TPS65070 voltage regulator support */
 895
 896 /* 3.3V */
 897 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 898         {
 899                 .supply = "usb0_vdda33",
 900         },
 901         {
 902                 .supply = "usb1_vdda33",
 903         },
 904 };
 905
 906 /* 3.3V or 1.8V */
 907 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 908         {
 909                 .supply = "dvdd3318_a",
 910         },
 911         {
 912                 .supply = "dvdd3318_b",
 913         },
 914         {
 915                 .supply = "dvdd3318_c",
 916         },
 917         REGULATOR_SUPPLY("IOVDD", "1-0018"),
 918 };
 919
 920 /* 1.2V */
 921 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 922         {
 923                 .supply = "cvdd",
 924         },
 925 };
 926
 927 /* 1.8V LDO */
 928 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 929         {
 930                 .supply = "sata_vddr",
 931         },
 932         {
 933                 .supply = "usb0_vdda18",
 934         },
 935         {
 936                 .supply = "usb1_vdda18",
 937         },
 938         {
 939                 .supply = "ddr_dvdd18",
 940         },
 941 };
 942
 943 /* 1.2V LDO */
 944 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 945         {
 946                 .supply = "sata_vdd",
 947         },
 948         {
 949                 .supply = "pll0_vdda",
 950         },
 951         {
 952                 .supply = "pll1_vdda",
 953         },
 954         {
 955                 .supply = "usbs_cvdd",
 956         },
 957         {
 958                 .supply = "vddarnwa1",
 959         },
 960 };
 961
 962 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
 963 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
 964         .defdcdc_default = true,
 965 };
 966
 967 static struct regulator_init_data tps65070_regulator_data[] = {
 968         /* dcdc1 */
 969         {
 970                 .constraints = {
 971                         .min_uV = 3150000,
 972                         .max_uV = 3450000,
 973                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 974                                 REGULATOR_CHANGE_STATUS),
 975                         .boot_on = 1,
 976                 },
 977                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 978                 .consumer_supplies = tps65070_dcdc1_consumers,
 979         },
 980
 981         /* dcdc2 */
 982         {
 983                 .constraints = {
 984                         .min_uV = 1710000,
 985                         .max_uV = 3450000,
 986                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 987                                 REGULATOR_CHANGE_STATUS),
 988                         .boot_on = 1,
 989                         .always_on = 1,
 990                 },
 991                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 992                 .consumer_supplies = tps65070_dcdc2_consumers,
 993                 .driver_data = &tps6507x_platform_data,
 994         },
 995
 996         /* dcdc3 */
 997         {
 998                 .constraints = {
 999                         .min_uV = 950000,
1000                         .max_uV = 1350000,
1001                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1002                                 REGULATOR_CHANGE_STATUS),
1003                         .boot_on = 1,
1004                 },
1005                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
1006                 .consumer_supplies = tps65070_dcdc3_consumers,
1007                 .driver_data = &tps6507x_platform_data,
1008         },
1009
1010         /* ldo1 */
1011         {
1012                 .constraints = {
1013                         .min_uV = 1710000,
1014                         .max_uV = 1890000,
1015                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1016                                 REGULATOR_CHANGE_STATUS),
1017                         .boot_on = 1,
1018                 },
1019                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
1020                 .consumer_supplies = tps65070_ldo1_consumers,
1021         },
1022
1023         /* ldo2 */
1024         {
1025                 .constraints = {
1026                         .min_uV = 1140000,
1027                         .max_uV = 1320000,
1028                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
1029                                 REGULATOR_CHANGE_STATUS),
1030                         .boot_on = 1,
1031                 },
1032                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
1033                 .consumer_supplies = tps65070_ldo2_consumers,
1034         },
1035 };
1036
1037 static struct touchscreen_init_data tps6507x_touchscreen_data = {
1038         .poll_period =  30,     /* ms between touch samples */
1039         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
1040         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
1041         .product = 65070,       /* /sys/class/input/input?/id/product */
1042         .version = 0x100,       /* /sys/class/input/input?/id/version */
1043 };
1044
1045 static struct tps6507x_board tps_board = {
1046         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
1047         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
1048 };
1049
1050 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
1051         {
1052                 I2C_BOARD_INFO("tps6507x", 0x48),
1053                 .platform_data = &tps_board,
1054         },
1055 };
1056
1057 static int __init pmic_tps65070_init(void)
1058 {
1059         return i2c_register_board_info(1, da850_evm_tps65070_info,
1060                                         ARRAY_SIZE(da850_evm_tps65070_info));
1061 }
1062
1063 static const short da850_evm_lcdc_pins[] = {
1064         DA850_GPIO2_8, DA850_GPIO2_15,
1065         -1
1066 };
1067
1068 static const short da850_evm_mii_pins[] = {
1069         DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1070         DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1071         DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1072         DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1073         DA850_MDIO_D,
1074         -1
1075 };
1076
1077 static const short da850_evm_rmii_pins[] = {
1078         DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1079         DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1080         DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1081         DA850_MDIO_D,
1082         -1
1083 };
1084
1085 static struct gpiod_hog da850_evm_emac_gpio_hogs[] = {
1086         {
1087                 .chip_label     = "davinci_gpio",
1088                 .chip_hwnum     = DA850_MII_MDIO_CLKEN_PIN,
1089                 .line_name      = "mdio_clk_en",
1090                 .lflags         = 0,
1091                 /* dflags set in da850_evm_config_emac() */
1092         },
1093         { }
1094 };
1095
1096 static int __init da850_evm_config_emac(void)
1097 {
1098         void __iomem *cfg_chip3_base;
1099         int ret;
1100         u32 val;
1101         struct davinci_soc_info *soc_info = &davinci_soc_info;
1102         u8 rmii_en;
1103
1104         if (!machine_is_davinci_da850_evm())
1105                 return 0;
1106
1107         rmii_en = soc_info->emac_pdata->rmii_en;
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