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/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/console.h>
  17 #include <linux/i2c.h>
  18 #include <linux/i2c/at24.h>
  19 #include <linux/i2c/pca953x.h>
  20 #include <linux/input.h>
  21 #include <linux/mfd/tps6507x.h>
  22 #include <linux/gpio.h>
  23 #include <linux/gpio_keys.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/mtd/mtd.h>
  26 #include <linux/mtd/nand.h>
  27 #include <linux/mtd/partitions.h>
  28 #include <linux/mtd/physmap.h>
  29 #include <linux/regulator/machine.h>
  30 #include <linux/regulator/tps6507x.h>
  31 #include <linux/input/tps6507x-ts.h>
  32 #include <linux/spi/spi.h>
  33 #include <linux/spi/flash.h>
  34 #include <linux/delay.h>
  35 #include <linux/wl12xx.h>
  36
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/system_info.h>
  40
  41 #include <mach/cp_intc.h>
  42 #include <mach/da8xx.h>
  43 #include <mach/nand.h>
  44 #include <mach/mux.h>
  45 #include <mach/aemif.h>
  46 #include <mach/spi.h>
  47
  48 #define DA850_EVM_PHY_ID                "davinci_mdio-0:00"
  49 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
  50 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
  51
  52 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
  53 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
  54
  55 #define DA850_WLAN_EN                   GPIO_TO_PIN(6, 9)
  56 #define DA850_WLAN_IRQ                  GPIO_TO_PIN(6, 10)
  57
  58 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
  59
  60 static struct mtd_partition da850evm_spiflash_part[] = {
  61         [0] = {
  62                 .name = "UBL",
  63                 .offset = 0,
  64                 .size = SZ_64K,
  65                 .mask_flags = MTD_WRITEABLE,
  66         },
  67         [1] = {
  68                 .name = "U-Boot",
  69                 .offset = MTDPART_OFS_APPEND,
  70                 .size = SZ_512K,
  71                 .mask_flags = MTD_WRITEABLE,
  72         },
  73         [2] = {
  74                 .name = "U-Boot-Env",
  75                 .offset = MTDPART_OFS_APPEND,
  76                 .size = SZ_64K,
  77                 .mask_flags = MTD_WRITEABLE,
  78         },
  79         [3] = {
  80                 .name = "Kernel",
  81                 .offset = MTDPART_OFS_APPEND,
  82                 .size = SZ_2M + SZ_512K,
  83                 .mask_flags = 0,
  84         },
  85         [4] = {
  86                 .name = "Filesystem",
  87                 .offset = MTDPART_OFS_APPEND,
  88                 .size = SZ_4M,
  89                 .mask_flags = 0,
  90         },
  91         [5] = {
  92                 .name = "MAC-Address",
  93                 .offset = SZ_8M - SZ_64K,
  94                 .size = SZ_64K,
  95                 .mask_flags = MTD_WRITEABLE,
  96         },
  97 };
  98
  99 static struct flash_platform_data da850evm_spiflash_data = {
 100         .name           = "m25p80",
 101         .parts          = da850evm_spiflash_part,
 102         .nr_parts       = ARRAY_SIZE(da850evm_spiflash_part),
 103         .type           = "m25p64",
 104 };
 105
 106 static struct davinci_spi_config da850evm_spiflash_cfg = {
 107         .io_type        = SPI_IO_TYPE_DMA,
 108         .c2tdelay       = 8,
 109         .t2cdelay       = 8,
 110 };
 111
 112 static struct spi_board_info da850evm_spi_info[] = {
 113         {
 114                 .modalias               = "m25p80",
 115                 .platform_data          = &da850evm_spiflash_data,
 116                 .controller_data        = &da850evm_spiflash_cfg,
 117                 .mode                   = SPI_MODE_0,
 118                 .max_speed_hz           = 30000000,
 119                 .bus_num                = 1,
 120                 .chip_select            = 0,
 121         },
 122 };
 123
 124 #ifdef CONFIG_MTD
 125 static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
 126 {
 127         char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
 128         size_t retlen;
 129
 130         if (!strcmp(mtd->name, "MAC-Address")) {
 131                 mtd_read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
 132                 if (retlen == ETH_ALEN)
 133                         pr_info("Read MAC addr from SPI Flash: %pM\n",
 134                                 mac_addr);
 135         }
 136 }
 137
 138 static struct mtd_notifier da850evm_spi_notifier = {
 139         .add    = da850_evm_m25p80_notify_add,
 140 };
 141
 142 static void da850_evm_setup_mac_addr(void)
 143 {
 144         register_mtd_user(&da850evm_spi_notifier);
 145 }
 146 #else
 147 static void da850_evm_setup_mac_addr(void) { }
 148 #endif
 149
 150 static struct mtd_partition da850_evm_norflash_partition[] = {
 151         {
 152                 .name           = "bootloaders + env",
 153                 .offset         = 0,
 154                 .size           = SZ_512K,
 155                 .mask_flags     = MTD_WRITEABLE,
 156         },
 157         {
 158                 .name           = "kernel",
 159                 .offset         = MTDPART_OFS_APPEND,
 160                 .size           = SZ_2M,
 161                 .mask_flags     = 0,
 162         },
 163         {
 164                 .name           = "filesystem",
 165                 .offset         = MTDPART_OFS_APPEND,
 166                 .size           = MTDPART_SIZ_FULL,
 167                 .mask_flags     = 0,
 168         },
 169 };
 170
 171 static struct physmap_flash_data da850_evm_norflash_data = {
 172         .width          = 2,
 173         .parts          = da850_evm_norflash_partition,
 174         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
 175 };
 176
 177 static struct resource da850_evm_norflash_resource[] = {
 178         {
 179                 .start  = DA8XX_AEMIF_CS2_BASE,
 180                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
 181                 .flags  = IORESOURCE_MEM,
 182         },
 183 };
 184
 185 static struct platform_device da850_evm_norflash_device = {
 186         .name           = "physmap-flash",
 187         .id             = 0,
 188         .dev            = {
 189                 .platform_data  = &da850_evm_norflash_data,
 190         },
 191         .num_resources  = 1,
 192         .resource       = da850_evm_norflash_resource,
 193 };
 194
 195 static struct davinci_pm_config da850_pm_pdata = {
 196         .sleepcount = 128,
 197 };
 198
 199 static struct platform_device da850_pm_device = {
 200         .name           = "pm-davinci",
 201         .dev = {
 202                 .platform_data  = &da850_pm_pdata,
 203         },
 204         .id             = -1,
 205 };
 206
 207 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
 208  * (128K blocks). It may be used instead of the (default) SPI flash
 209  * to boot, using TI's tools to install the secondary boot loader
 210  * (UBL) and U-Boot.
 211  */
 212 static struct mtd_partition da850_evm_nandflash_partition[] = {
 213         {
 214                 .name           = "u-boot env",
 215                 .offset         = 0,
 216                 .size           = SZ_128K,
 217                 .mask_flags     = MTD_WRITEABLE,
 218          },
 219         {
 220                 .name           = "UBL",
 221                 .offset         = MTDPART_OFS_APPEND,
 222                 .size           = SZ_128K,
 223                 .mask_flags     = MTD_WRITEABLE,
 224         },
 225         {
 226                 .name           = "u-boot",
 227                 .offset         = MTDPART_OFS_APPEND,
 228                 .size           = 4 * SZ_128K,
 229                 .mask_flags     = MTD_WRITEABLE,
 230         },
 231         {
 232                 .name           = "kernel",
 233                 .offset         = 0x200000,
 234                 .size           = SZ_2M,
 235                 .mask_flags     = 0,
 236         },
 237         {
 238                 .name           = "filesystem",
 239                 .offset         = MTDPART_OFS_APPEND,
 240                 .size           = MTDPART_SIZ_FULL,
 241                 .mask_flags     = 0,
 242         },
 243 };
 244
 245 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
 246         .wsetup         = 24,
 247         .wstrobe        = 21,
 248         .whold          = 14,
 249         .rsetup         = 19,
 250         .rstrobe        = 50,
 251         .rhold          = 0,
 252         .ta             = 20,
 253 };
 254
 255 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 256         .parts          = da850_evm_nandflash_partition,
 257         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 258         .ecc_mode       = NAND_ECC_HW,
 259         .ecc_bits       = 4,
 260         .bbt_options    = NAND_BBT_USE_FLASH,
 261         .timing         = &da850_evm_nandflash_timing,
 262 };
 263
 264 static struct resource da850_evm_nandflash_resource[] = {
 265         {
 266                 .start  = DA8XX_AEMIF_CS3_BASE,
 267                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 268                 .flags  = IORESOURCE_MEM,
 269         },
 270         {
 271                 .start  = DA8XX_AEMIF_CTL_BASE,
 272                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 273                 .flags  = IORESOURCE_MEM,
 274         },
 275 };
 276
 277 static struct platform_device da850_evm_nandflash_device = {
 278         .name           = "davinci_nand",
 279         .id             = 1,
 280         .dev            = {
 281                 .platform_data  = &da850_evm_nandflash_data,
 282         },
 283         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 284         .resource       = da850_evm_nandflash_resource,
 285 };
 286
 287 static struct platform_device *da850_evm_devices[] = {
 288         &da850_evm_nandflash_device,
 289         &da850_evm_norflash_device,
 290 };
 291
 292 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
 293 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
 294
 295 static void __init da850_evm_init_nor(void)
 296 {
 297         void __iomem *aemif_addr;
 298
 299         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
 300
 301         /* Configure data bus width of CS2 to 16 bit */
 302         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
 303                 DA8XX_AEMIF_ASIZE_16BIT,
 304                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
 305
 306         iounmap(aemif_addr);
 307 }
 308
 309 static const short da850_evm_nand_pins[] = {
 310         DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
 311         DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
 312         DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
 313         DA850_NEMA_WE, DA850_NEMA_OE,
 314         -1
 315 };
 316
 317 static const short da850_evm_nor_pins[] = {
 318         DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
 319         DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
 320         DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
 321         DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
 322         DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
 323         DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
 324         DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
 325         DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
 326         DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
 327         DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
 328         DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
 329         DA850_EMA_A_22, DA850_EMA_A_23,
 330         -1
 331 };
 332
 333 #if defined(CONFIG_MMC_DAVINCI) || \
 334     defined(CONFIG_MMC_DAVINCI_MODULE)
 335 #define HAS_MMC 1
 336 #else
 337 #define HAS_MMC 0
 338 #endif
 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_warning("da850_evm_init: nand mux setup failed: "
 348                                         "%d\n", ret);
 349
 350                 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
 351                 if (ret)
 352                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 353                                 ret);
 354
 355                 da850_evm_init_nor();
 356
 357                 platform_add_devices(da850_evm_devices,
 358                                         ARRAY_SIZE(da850_evm_devices));
 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 = (char *)
 450                                 da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
 451                 button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
 452         }
 453 }
 454
 455 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 456                                                 unsigned ngpio, void *c)
 457 {
 458         int sel_a, sel_b, sel_c, ret;
 459
 460         sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
 461         sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
 462         sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
 463
 464         ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
 465         if (ret) {
 466                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
 467                 goto exp_setup_sela_fail;
 468         }
 469
 470         ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
 471         if (ret) {
 472                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
 473                 goto exp_setup_selb_fail;
 474         }
 475
 476         ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
 477         if (ret) {
 478                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
 479                 goto exp_setup_selc_fail;
 480         }
 481
 482         /* deselect all functionalities */
 483         gpio_direction_output(sel_a, 1);
 484         gpio_direction_output(sel_b, 1);
 485         gpio_direction_output(sel_c, 1);
 486
 487         da850_evm_ui_keys_init(gpio);
 488         ret = platform_device_register(&da850_evm_ui_keys_device);
 489         if (ret) {
 490                 pr_warning("Could not register UI GPIO expander push-buttons");
 491                 goto exp_setup_keys_fail;
 492         }
 493
 494         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 495
 496         da850_evm_setup_nor_nand();
 497
 498         da850_evm_setup_emac_rmii(sel_a);
 499
 500         return 0;
 501
 502 exp_setup_keys_fail:
 503         gpio_free(sel_c);
 504 exp_setup_selc_fail:
 505         gpio_free(sel_b);
 506 exp_setup_selb_fail:
 507         gpio_free(sel_a);
 508 exp_setup_sela_fail:
 509         return ret;
 510 }
 511
 512 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 513                                         unsigned gpio, unsigned ngpio, void *c)
 514 {
 515         platform_device_unregister(&da850_evm_ui_keys_device);
 516
 517         /* deselect all functionalities */
 518         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
 519         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
 520         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
 521
 522         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
 523         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
 524         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
 525
 526         return 0;
 527 }
 528
 529 /* assign the baseboard expander's GPIOs after the UI board's */
 530 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
 531 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
 532
 533 enum da850_evm_bb_exp_pins {
 534         DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
 535         DA850_EVM_BB_EXP_SW_RST,
 536         DA850_EVM_BB_EXP_TP_23,
 537         DA850_EVM_BB_EXP_TP_22,
 538         DA850_EVM_BB_EXP_TP_21,
 539         DA850_EVM_BB_EXP_USER_PB1,
 540         DA850_EVM_BB_EXP_USER_LED2,
 541         DA850_EVM_BB_EXP_USER_LED1,
 542         DA850_EVM_BB_EXP_USER_SW1,
 543         DA850_EVM_BB_EXP_USER_SW2,
 544         DA850_EVM_BB_EXP_USER_SW3,
 545         DA850_EVM_BB_EXP_USER_SW4,
 546         DA850_EVM_BB_EXP_USER_SW5,
 547         DA850_EVM_BB_EXP_USER_SW6,
 548         DA850_EVM_BB_EXP_USER_SW7,
 549         DA850_EVM_BB_EXP_USER_SW8
 550 };
 551
 552 static const char const *da850_evm_bb_exp[] = {
 553         [DA850_EVM_BB_EXP_DEEP_SLEEP_EN]        = "deep_sleep_en",
 554         [DA850_EVM_BB_EXP_SW_RST]               = "sw_rst",
 555         [DA850_EVM_BB_EXP_TP_23]                = "tp_23",
 556         [DA850_EVM_BB_EXP_TP_22]                = "tp_22",
 557         [DA850_EVM_BB_EXP_TP_21]                = "tp_21",
 558         [DA850_EVM_BB_EXP_USER_PB1]             = "user_pb1",
 559         [DA850_EVM_BB_EXP_USER_LED2]            = "user_led2",
 560         [DA850_EVM_BB_EXP_USER_LED1]            = "user_led1",
 561         [DA850_EVM_BB_EXP_USER_SW1]             = "user_sw1",
 562         [DA850_EVM_BB_EXP_USER_SW2]             = "user_sw2",
 563         [DA850_EVM_BB_EXP_USER_SW3]             = "user_sw3",
 564         [DA850_EVM_BB_EXP_USER_SW4]             = "user_sw4",
 565         [DA850_EVM_BB_EXP_USER_SW5]             = "user_sw5",
 566         [DA850_EVM_BB_EXP_USER_SW6]             = "user_sw6",
 567         [DA850_EVM_BB_EXP_USER_SW7]             = "user_sw7",
 568         [DA850_EVM_BB_EXP_USER_SW8]             = "user_sw8",
 569 };
 570
 571 #define DA850_N_BB_USER_SW      8
 572
 573 static struct gpio_keys_button da850_evm_bb_keys[] = {
 574         [0] = {
 575                 .type                   = EV_KEY,
 576                 .active_low             = 1,
 577                 .wakeup                 = 0,
 578                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 579                 .code                   = KEY_PROG1,
 580                 .desc                   = NULL, /* assigned at runtime */
 581                 .gpio                   = -1, /* assigned at runtime */
 582         },
 583         [1 ... DA850_N_BB_USER_SW] = {
 584                 .type                   = EV_SW,
 585                 .active_low             = 1,
 586                 .wakeup                 = 0,
 587                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 588                 .code                   = -1, /* assigned at runtime */
 589                 .desc                   = NULL, /* assigned at runtime */
 590                 .gpio                   = -1, /* assigned at runtime */
 591         },
 592 };
 593
 594 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
 595         .buttons = da850_evm_bb_keys,
 596         .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
 597         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 598 };
 599
 600 static struct platform_device da850_evm_bb_keys_device = {
 601         .name = "gpio-keys-polled",
 602         .id = 1,
 603         .dev = {
 604                 .platform_data = &da850_evm_bb_keys_pdata
 605         },
 606 };
 607
 608 static void da850_evm_bb_keys_init(unsigned gpio)
 609 {
 610         int i;
 611         struct gpio_keys_button *button;
 612
 613         button = &da850_evm_bb_keys[0];
 614         button->desc = (char *)
 615                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
 616         button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
 617
 618         for (i = 0; i < DA850_N_BB_USER_SW; i++) {
 619                 button = &da850_evm_bb_keys[i + 1];
 620                 button->code = SW_LID + i;
 621                 button->desc = (char *)
 622                                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
 623                 button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
 624         }
 625 }
 626
 627 #define DA850_N_BB_USER_LED     2
 628
 629 static struct gpio_led da850_evm_bb_leds[] = {
 630         [0 ... DA850_N_BB_USER_LED - 1] = {
 631                 .active_low = 1,
 632                 .gpio = -1, /* assigned at runtime */
 633                 .name = NULL, /* assigned at runtime */
 634         },
 635 };
 636
 637 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
 638         .leds = da850_evm_bb_leds,
 639         .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
 640 };
 641
 642 static struct platform_device da850_evm_bb_leds_device = {
 643         .name           = "leds-gpio",
 644         .id             = -1,
 645         .dev = {
 646                 .platform_data = &da850_evm_bb_leds_pdata
 647         }
 648 };
 649
 650 static void da850_evm_bb_leds_init(unsigned gpio)
 651 {
 652         int i;
 653         struct gpio_led *led;
 654
 655         for (i = 0; i < DA850_N_BB_USER_LED; i++) {
 656                 led = &da850_evm_bb_leds[i];
 657
 658                 led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
 659                 led->name =
 660                         da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
 661         }
 662 }
 663
 664 static int da850_evm_bb_expander_setup(struct i2c_client *client,
 665                                                 unsigned gpio, unsigned ngpio,
 666                                                 void *c)
 667 {
 668         int ret;
 669
 670         /*
 671          * Register the switches and pushbutton on the baseboard as a gpio-keys
 672          * device.
 673          */
 674         da850_evm_bb_keys_init(gpio);
 675         ret = platform_device_register(&da850_evm_bb_keys_device);
 676         if (ret) {
 677                 pr_warning("Could not register baseboard GPIO expander keys");
 678                 goto io_exp_setup_sw_fail;
 679         }
 680
 681         da850_evm_bb_leds_init(gpio);
 682         ret = platform_device_register(&da850_evm_bb_leds_device);
 683         if (ret) {
 684                 pr_warning("Could not register baseboard GPIO expander LEDS");
 685                 goto io_exp_setup_leds_fail;
 686         }
 687
 688         return 0;
 689
 690 io_exp_setup_leds_fail:
 691         platform_device_unregister(&da850_evm_bb_keys_device);
 692 io_exp_setup_sw_fail:
 693         return ret;
 694 }
 695
 696 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
 697                                         unsigned gpio, unsigned ngpio, void *c)
 698 {
 699         platform_device_unregister(&da850_evm_bb_leds_device);
 700         platform_device_unregister(&da850_evm_bb_keys_device);
 701
 702         return 0;
 703 }
 704
 705 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 706         .gpio_base      = DAVINCI_N_GPIO,
 707         .setup          = da850_evm_ui_expander_setup,
 708         .teardown       = da850_evm_ui_expander_teardown,
 709         .names          = da850_evm_ui_exp,
 710 };
 711
 712 static struct pca953x_platform_data da850_evm_bb_expander_info = {
 713         .gpio_base      = DA850_BB_EXPANDER_GPIO_BASE,
 714         .setup          = da850_evm_bb_expander_setup,
 715         .teardown       = da850_evm_bb_expander_teardown,
 716         .names          = da850_evm_bb_exp,
 717 };
 718
 719 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 720         {
 721                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 722         },
 723         {
 724                 I2C_BOARD_INFO("tca6416", 0x20),
 725                 .platform_data = &da850_evm_ui_expander_info,
 726         },
 727         {
 728                 I2C_BOARD_INFO("tca6416", 0x21),
 729                 .platform_data = &da850_evm_bb_expander_info,
 730         },
 731 };
 732
 733 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 734         .bus_freq       = 100,  /* kHz */
 735         .bus_delay      = 0,    /* usec */
 736 };
 737
 738 static struct davinci_uart_config da850_evm_uart_config __initdata = {
 739         .enabled_uarts = 0x7,
 740 };
 741
 742 /* davinci da850 evm audio machine driver */
 743 static u8 da850_iis_serializer_direction[] = {
 744         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 745         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 746         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 747         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 748 };
 749
 750 static struct snd_platform_data da850_evm_snd_data = {
 751         .tx_dma_offset  = 0x2000,
 752         .rx_dma_offset  = 0x2000,
 753         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 754         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
 755         .tdm_slots      = 2,
 756         .serial_dir     = da850_iis_serializer_direction,
 757         .asp_chan_q     = EVENTQ_0,
 758         .version        = MCASP_VERSION_2,
 759         .txnumevt       = 1,
 760         .rxnumevt       = 1,
 761 };
 762
 763 static const short da850_evm_mcasp_pins[] __initconst = {
 764         DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
 765         DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
 766         DA850_AXR_11, DA850_AXR_12,
 767         -1
 768 };
 769
 770 static int da850_evm_mmc_get_ro(int index)
 771 {
 772         return gpio_get_value(DA850_MMCSD_WP_PIN);
 773 }
 774
 775 static int da850_evm_mmc_get_cd(int index)
 776 {
 777         return !gpio_get_value(DA850_MMCSD_CD_PIN);
 778 }
 779
 780 static struct davinci_mmc_config da850_mmc_config = {
 781         .get_ro         = da850_evm_mmc_get_ro,
 782         .get_cd         = da850_evm_mmc_get_cd,
 783         .wires          = 4,
 784         .max_freq       = 50000000,
 785         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 786         .version        = MMC_CTLR_VERSION_2,
 787 };
 788
 789 static const short da850_evm_mmcsd0_pins[] __initconst = {
 790         DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
 791         DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
 792         DA850_GPIO4_0, DA850_GPIO4_1,
 793         -1
 794 };
 795
 796 static void da850_panel_power_ctrl(int val)
 797 {
 798         /* lcd backlight */
 799         gpio_set_value(DA850_LCD_BL_PIN, val);
 800
 801         /* lcd power */
 802         gpio_set_value(DA850_LCD_PWR_PIN, val);
 803 }
 804
 805 static int da850_lcd_hw_init(void)
 806 {
 807         int status;
 808
 809         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 810         if (status < 0)
 811                 return status;
 812
 813         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 814         if (status < 0) {
 815                 gpio_free(DA850_LCD_BL_PIN);
 816                 return status;
 817         }
 818
 819         gpio_direction_output(DA850_LCD_BL_PIN, 0);
 820         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 821
 822         /* Switch off panel power and backlight */
 823         da850_panel_power_ctrl(0);
 824
 825         /* Switch on panel power and backlight */
 826         da850_panel_power_ctrl(1);
 827
 828         return 0;
 829 }
 830
 831 /* TPS65070 voltage regulator support */
 832
 833 /* 3.3V */
 834 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 835         {
 836                 .supply = "usb0_vdda33",
 837         },
 838         {
 839                 .supply = "usb1_vdda33",
 840         },
 841 };
 842
 843 /* 3.3V or 1.8V */
 844 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 845         {
 846                 .supply = "dvdd3318_a",
 847         },
 848         {
 849                 .supply = "dvdd3318_b",
 850         },
 851         {
 852                 .supply = "dvdd3318_c",
 853         },
 854 };
 855
 856 /* 1.2V */
 857 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 858         {
 859                 .supply = "cvdd",
 860         },
 861 };
 862
 863 /* 1.8V LDO */
 864 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 865         {
 866                 .supply = "sata_vddr",
 867         },
 868         {
 869                 .supply = "usb0_vdda18",
 870         },
 871         {
 872                 .supply = "usb1_vdda18",
 873         },
 874         {
 875                 .supply = "ddr_dvdd18",
 876         },
 877 };
 878
 879 /* 1.2V LDO */
 880 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 881         {
 882                 .supply = "sata_vdd",
 883         },
 884         {
 885                 .supply = "pll0_vdda",
 886         },
 887         {
 888                 .supply = "pll1_vdda",
 889         },
 890         {
 891                 .supply = "usbs_cvdd",
 892         },
 893         {
 894                 .supply = "vddarnwa1",
 895         },
 896 };
 897
 898 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
 899 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
 900         .defdcdc_default = true,
 901 };
 902
 903 static struct regulator_init_data tps65070_regulator_data[] = {
 904         /* dcdc1 */
 905         {
 906                 .constraints = {
 907                         .min_uV = 3150000,
 908                         .max_uV = 3450000,
 909                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 910                                 REGULATOR_CHANGE_STATUS),
 911                         .boot_on = 1,
 912                 },
 913                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 914                 .consumer_supplies = tps65070_dcdc1_consumers,
 915         },
 916
 917         /* dcdc2 */
 918         {
 919                 .constraints = {
 920                         .min_uV = 1710000,
 921                         .max_uV = 3450000,
 922                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 923                                 REGULATOR_CHANGE_STATUS),
 924                         .boot_on = 1,
 925                 },
 926                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 927                 .consumer_supplies = tps65070_dcdc2_consumers,
 928                 .driver_data = &tps6507x_platform_data,
 929         },
 930
 931         /* dcdc3 */
 932         {
 933                 .constraints = {
 934                         .min_uV = 950000,
 935                         .max_uV = 1350000,
 936                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 937                                 REGULATOR_CHANGE_STATUS),
 938                         .boot_on = 1,
 939                 },
 940                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 941                 .consumer_supplies = tps65070_dcdc3_consumers,
 942                 .driver_data = &tps6507x_platform_data,
 943         },
 944
 945         /* ldo1 */
 946         {
 947                 .constraints = {
 948                         .min_uV = 1710000,
 949                         .max_uV = 1890000,
 950                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 951                                 REGULATOR_CHANGE_STATUS),
 952                         .boot_on = 1,
 953                 },
 954                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 955                 .consumer_supplies = tps65070_ldo1_consumers,
 956         },
 957
 958         /* ldo2 */
 959         {
 960                 .constraints = {
 961                         .min_uV = 1140000,
 962                         .max_uV = 1320000,
 963                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 964                                 REGULATOR_CHANGE_STATUS),
 965                         .boot_on = 1,
 966                 },
 967                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 968                 .consumer_supplies = tps65070_ldo2_consumers,
 969         },
 970 };
 971
 972 static struct touchscreen_init_data tps6507x_touchscreen_data = {
 973         .poll_period =  30,     /* ms between touch samples */
 974         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
 975         .vref = 0,              /* turn off vref when not using A/D */
 976         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
 977         .product = 65070,       /* /sys/class/input/input?/id/product */
 978         .version = 0x100,       /* /sys/class/input/input?/id/version */
 979 };
 980
 981 static struct tps6507x_board tps_board = {
 982         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
 983         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
 984 };
 985
 986 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
 987         {
 988                 I2C_BOARD_INFO("tps6507x", 0x48),
 989                 .platform_data = &tps_board,
 990         },
 991 };
 992
 993 static int __init pmic_tps65070_init(void)
 994 {
 995         return i2c_register_board_info(1, da850_evm_tps65070_info,
 996                                         ARRAY_SIZE(da850_evm_tps65070_info));
 997 }
 998
 999 static const short da850_evm_lcdc_pins[] = {
1000         DA850_GPIO2_8, DA850_GPIO2_15,
1001         -1
1002 };
1003
1004 static const short da850_evm_mii_pins[] = {
1005         DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1006         DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1007         DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1008         DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1009         DA850_MDIO_D,
1010         -1
1011 };
1012
1013 static const short da850_evm_rmii_pins[] = {
1014         DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1015         DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1016         DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1017         DA850_MDIO_D,
1018         -1
1019 };
1020
1021 static int __init da850_evm_config_emac(void)
1022 {
1023         void __iomem *cfg_chip3_base;
1024         int ret;
1025         u32 val;
1026         struct davinci_soc_info *soc_info = &davinci_soc_info;
1027         u8 rmii_en = soc_info->emac_pdata->rmii_en;
1028
1029         if (!machine_is_davinci_da850_evm())
1030                 return 0;
1031
1032         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
1033
1034         val = __raw_readl(cfg_chip3_base);
1035
1036         if (rmii_en) {
1037                 val |= BIT(8);
1038                 ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
1039                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1040                                                         " functional\n");
1041         } else {
1042                 val &= ~BIT(8);
1043                 ret = davinci_cfg_reg_list(da850_evm_mii_pins);
1044                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1045                                                         " functional\n");
1046         }
1047
1048         if (ret)
1049                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
1050                                 ret);
1051
1052         /* configure the CFGCHIP3 register for RMII or MII */
1053         __raw_writel(val, cfg_chip3_base);
1054
1055         ret = davinci_cfg_reg(DA850_GPIO2_6);
1056         if (ret)
1057                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
1058                                                         "failed\n");
1059
1060         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
1061         if (ret) {
1062                 pr_warning("Cannot open GPIO %d\n",
1063                                         DA850_MII_MDIO_CLKEN_PIN);
1064                 return ret;
1065         }
1066
1067         /* Enable/Disable MII MDIO clock */
1068         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
1069
1070         soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
1071
1072         ret = da8xx_register_emac();
1073         if (ret)
1074                 pr_warning("da850_evm_init: emac registration failed: %d\n",
1075                                 ret);
1076
1077         return 0;
1078 }
1079 device_initcall(da850_evm_config_emac);
1080
1081 /*
1082  * The following EDMA channels/slots are not being used by drivers (for
1083  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1084  * they are being reserved for codecs on the DSP side.
1085  */
1086 static const s16 da850_dma0_rsv_chans[][2] = {
1087         /* (offset, number) */
1088         { 8,  6},
1089         {24,  4},
1090         {30,  2},
1091         {-1, -1}
1092 };
1093
1094 static const s16 da850_dma0_rsv_slots[][2] = {
1095         /* (offset, number) */
1096         { 8,  6},
1097         {24,  4},
1098         {30, 50},
1099         {-1, -1}
1100 };
1101
1102 static const s16 da850_dma1_rsv_chans[][2] = {
1103         /* (offset, number) */
1104         { 0, 28},
1105         {30,  2},
1106         {-1, -1}
1107 };
1108
1109 static const s16 da850_dma1_rsv_slots[][2] = {
1110         /* (offset, number) */
1111         { 0, 28},
1112         {30, 90},
1113         {-1, -1}
1114 };
1115
1116 static struct edma_rsv_info da850_edma_cc0_rsv = {
1117         .rsv_chans      = da850_dma0_rsv_chans,
1118         .rsv_slots      = da850_dma0_rsv_slots,
1119 };
1120
1121 static struct edma_rsv_info da850_edma_cc1_rsv = {
1122         .rsv_chans      = da850_dma1_rsv_chans,
1123         .rsv_slots      = da850_dma1_rsv_slots,
1124 };
1125
1126 static struct edma_rsv_info *da850_edma_rsv[2] = {
1127         &da850_edma_cc0_rsv,
1128         &da850_edma_cc1_rsv,
1129 };
1130
1131 #ifdef CONFIG_CPU_FREQ
1132 static __init int da850_evm_init_cpufreq(void)
1133 {
1134         switch (system_rev & 0xF) {
1135         case 3:
1136                 da850_max_speed = 456000;
1137                 break;
1138         case 2:
1139                 da850_max_speed = 408000;
1140                 break;
1141         case 1:
1142                 da850_max_speed = 372000;
1143                 break;
1144         }
1145
1146         return da850_register_cpufreq("pll0_sysclk3");
1147 }
1148 #else
1149 static __init int da850_evm_init_cpufreq(void) { return 0; }
1150 #endif
1151
1152 #ifdef CONFIG_DA850_WL12XX
1153
1154 static void wl12xx_set_power(int index, bool power_on)
1155 {
1156         static bool power_state;
1157
1158         pr_debug("Powering %s wl12xx", power_on ? "on" : "off");
1159
1160         if (power_on == power_state)
1161                 return;
1162         power_state = power_on;
1163
1164         if (power_on) {
1165                 /* Power up sequence required for wl127x devices */
1166                 gpio_set_value(DA850_WLAN_EN, 1);
1167                 usleep_range(15000, 15000);
1168                 gpio_set_value(DA850_WLAN_EN, 0);
1169                 usleep_range(1000, 1000);
1170                 gpio_set_value(DA850_WLAN_EN, 1);
1171                 msleep(70);
1172         } else {
1173                 gpio_set_value(DA850_WLAN_EN, 0);
1174         }
1175 }
1176
1177 static struct davinci_mmc_config da850_wl12xx_mmc_config = {
1178         .set_power      = wl12xx_set_power,
1179         .wires          = 4,
1180         .max_freq       = 25000000,
1181         .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE |
1182                           MMC_CAP_POWER_OFF_CARD,
1183         .version        = MMC_CTLR_VERSION_2,
1184 };
1185
1186 static const short da850_wl12xx_pins[] __initconst = {
1187         DA850_MMCSD1_DAT_0, DA850_MMCSD1_DAT_1, DA850_MMCSD1_DAT_2,
1188         DA850_MMCSD1_DAT_3, DA850_MMCSD1_CLK, DA850_MMCSD1_CMD,
1189         DA850_GPIO6_9, DA850_GPIO6_10,
1190         -1
1191 };
1192
1193 static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata = {
1194         .irq                    = -1,
1195         .board_ref_clock        = WL12XX_REFCLOCK_38,
1196         .platform_quirks        = WL12XX_PLATFORM_QUIRK_EDGE_IRQ,
1197 };
1198
1199 static __init int da850_wl12xx_init(void)
1200 {
1201         int ret;
1202
1203         ret = davinci_cfg_reg_list(da850_wl12xx_pins);
1204         if (ret) {
1205                 pr_err("wl12xx/mmc mux setup failed: %d\n", ret);
1206                 goto exit;
1207         }
1208
1209         ret = da850_register_mmcsd1(&da850_wl12xx_mmc_config);
1210         if (ret) {
1211                 pr_err("wl12xx/mmc registration failed: %d\n", ret);
1212                 goto exit;
1213         }
1214
1215         ret = gpio_request_one(DA850_WLAN_EN, GPIOF_OUT_INIT_LOW, "wl12xx_en");
1216         if (ret) {
1217                 pr_err("Could not request wl12xx enable gpio: %d\n", ret);
1218                 goto exit;
1219         }
1220
1221         ret = gpio_request_one(DA850_WLAN_IRQ, GPIOF_IN, "wl12xx_irq");
1222         if (ret) {
1223                 pr_err("Could not request wl12xx irq gpio: %d\n", ret);
1224                 goto free_wlan_en;
1225         }
1226
1227         da850_wl12xx_wlan_data.irq = gpio_to_irq(DA850_WLAN_IRQ);
1228
1229         ret = wl12xx_set_platform_data(&da850_wl12xx_wlan_data);
1230         if (ret) {
1231                 pr_err("Could not set wl12xx data: %d\n", ret);
1232                 goto free_wlan_irq;
1233         }
1234
1235         return 0;
1236
1237 free_wlan_irq:
1238         gpio_free(DA850_WLAN_IRQ);
1239
1240 free_wlan_en:
1241         gpio_free(DA850_WLAN_EN);
1242
1243 exit:
1244         return ret;
1245 }
1246
1247 #else /* CONFIG_DA850_WL12XX */
1248
1249 static __init int da850_wl12xx_init(void)
1250 {
1251         return 0;
1252 }
1253
1254 #endif /* CONFIG_DA850_WL12XX */
1255
1256 #define DA850EVM_SATA_REFCLKPN_RATE     (100 * 1000 * 1000)
1257
1258 static __init void da850_evm_init(void)
1259 {
1260         int ret;
1261
1262         ret = pmic_tps65070_init();
1263         if (ret)
1264                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
1265                                 ret);
1266
1267         ret = da850_register_edma(da850_edma_rsv);
1268         if (ret)
1269                 pr_warning("da850_evm_init: edma registration failed: %d\n",
1270                                 ret);
1271
1272         ret = davinci_cfg_reg_list(da850_i2c0_pins);
1273         if (ret)
1274                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
1275                                 ret);
1276
1277         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1278         if (ret)
1279                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
1280                                 ret);
1281
1282
1283         ret = da8xx_register_watchdog();
1284         if (ret)
1285                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
1286                                 ret);
1287
1288         if (HAS_MMC) {
1289                 ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1290                 if (ret)
1291                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
1292                                         " %d\n", ret);
1293
1294                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
1295                 if (ret)
1296                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1297                                         DA850_MMCSD_CD_PIN);
1298                 gpio_direction_input(DA850_MMCSD_CD_PIN);
1299
1300                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
1301                 if (ret)
1302                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1303                                         DA850_MMCSD_WP_PIN);
1304                 gpio_direction_input(DA850_MMCSD_WP_PIN);
1305
1306                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
1307                 if (ret)
1308                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
1309                                         " %d\n", ret);
1310
1311                 ret = da850_wl12xx_init();
1312                 if (ret)
1313                         pr_warning("da850_evm_init: wl12xx initialization"
1314                                    " failed: %d\n", ret);
1315         }
1316
1317         davinci_serial_init(&da850_evm_uart_config);
1318
1319         i2c_register_board_info(1, da850_evm_i2c_devices,
1320                         ARRAY_SIZE(da850_evm_i2c_devices));
1321
1322         /*
1323          * shut down uart 0 and 1; they are not used on the board and
1324          * accessing them causes endless "too much work in irq53" messages
1325          * with arago fs
1326          */
1327         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1328         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1329
1330         ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1331         if (ret)
1332                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
1333                                 ret);
1334
1335         da8xx_register_mcasp(0, &da850_evm_snd_data);
1336
1337         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1338         if (ret)
1339                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
1340                                 ret);
1341
1342         /* Handle board specific muxing for LCD here */
1343         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1344         if (ret)
1345                 pr_warning("da850_evm_init: evm specific lcd mux setup "
1346                                 "failed: %d\n", ret);
1347
1348         ret = da850_lcd_hw_init();
1349         if (ret)
1350                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
1351                                 ret);
1352
1353         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
1354         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1355         if (ret)
1356                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
1357                                 ret);
1358
1359         ret = da8xx_register_rtc();
1360         if (ret)
1361                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
1362
1363         ret = da850_evm_init_cpufreq();
1364         if (ret)
1365                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
1366                                 ret);
1367
1368         ret = da8xx_register_cpuidle();
1369         if (ret)
1370                 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
1371                                 ret);
1372
1373         ret = da850_register_pm(&da850_pm_device);
1374         if (ret)
1375                 pr_warning("da850_evm_init: suspend registration failed: %d\n",
1376                                 ret);
1377
1378         ret = da8xx_register_spi(1, da850evm_spi_info,
1379                                  ARRAY_SIZE(da850evm_spi_info));
1380         if (ret)
1381                 pr_warning("da850_evm_init: spi 1 registration failed: %d\n",
1382                                 ret);
1383
1384         ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE);
1385         if (ret)
1386                 pr_warning("da850_evm_init: sata registration failed: %d\n",
1387                                 ret);
1388
1389         da850_evm_setup_mac_addr();
1390 }
1391
1392 #ifdef CONFIG_SERIAL_8250_CONSOLE
1393 static int __init da850_evm_console_init(void)
1394 {
1395         if (!machine_is_davinci_da850_evm())
1396                 return 0;
1397
1398         return add_preferred_console("ttyS", 2, "115200");
1399 }
1400 console_initcall(da850_evm_console_init);
1401 #endif
1402
1403 static void __init da850_evm_map_io(void)
1404 {
1405         da850_init();
1406 }
1407
1408 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1409         .atag_offset    = 0x100,
1410         .map_io         = da850_evm_map_io,
1411         .init_irq       = cp_intc_init,
1412         .timer          = &davinci_timer,
1413         .init_machine   = da850_evm_init,
1414         .init_late      = davinci_init_late,
1415         .dma_zone_size  = SZ_128M,
1416         .restart        = da8xx_restart,
1417 MACHINE_END