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
  40 #include <mach/cp_intc.h>
  41 #include <mach/da8xx.h>
  42 #include <mach/nand.h>
  43 #include <mach/mux.h>
  44 #include <mach/aemif.h>
  45 #include <mach/spi.h>
  46
  47 #define DA850_EVM_PHY_ID                "0:00"
  48 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
  49 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
  50
  51 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
  52 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
  53
  54 #define DA850_WLAN_EN                   GPIO_TO_PIN(6, 9)
  55 #define DA850_WLAN_IRQ                  GPIO_TO_PIN(6, 10)
  56
  57 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
  58
  59 static struct mtd_partition da850evm_spiflash_part[] = {
  60         [0] = {
  61                 .name = "UBL",
  62                 .offset = 0,
  63                 .size = SZ_64K,
  64                 .mask_flags = MTD_WRITEABLE,
  65         },
  66         [1] = {
  67                 .name = "U-Boot",
  68                 .offset = MTDPART_OFS_APPEND,
  69                 .size = SZ_512K,
  70                 .mask_flags = MTD_WRITEABLE,
  71         },
  72         [2] = {
  73                 .name = "U-Boot-Env",
  74                 .offset = MTDPART_OFS_APPEND,
  75                 .size = SZ_64K,
  76                 .mask_flags = MTD_WRITEABLE,
  77         },
  78         [3] = {
  79                 .name = "Kernel",
  80                 .offset = MTDPART_OFS_APPEND,
  81                 .size = SZ_2M + SZ_512K,
  82                 .mask_flags = 0,
  83         },
  84         [4] = {
  85                 .name = "Filesystem",
  86                 .offset = MTDPART_OFS_APPEND,
  87                 .size = SZ_4M,
  88                 .mask_flags = 0,
  89         },
  90         [5] = {
  91                 .name = "MAC-Address",
  92                 .offset = SZ_8M - SZ_64K,
  93                 .size = SZ_64K,
  94                 .mask_flags = MTD_WRITEABLE,
  95         },
  96 };
  97
  98 static struct flash_platform_data da850evm_spiflash_data = {
  99         .name           = "m25p80",
 100         .parts          = da850evm_spiflash_part,
 101         .nr_parts       = ARRAY_SIZE(da850evm_spiflash_part),
 102         .type           = "m25p64",
 103 };
 104
 105 static struct davinci_spi_config da850evm_spiflash_cfg = {
 106         .io_type        = SPI_IO_TYPE_DMA,
 107         .c2tdelay       = 8,
 108         .t2cdelay       = 8,
 109 };
 110
 111 static struct spi_board_info da850evm_spi_info[] = {
 112         {
 113                 .modalias               = "m25p80",
 114                 .platform_data          = &da850evm_spiflash_data,
 115                 .controller_data        = &da850evm_spiflash_cfg,
 116                 .mode                   = SPI_MODE_0,
 117                 .max_speed_hz           = 30000000,
 118                 .bus_num                = 1,
 119                 .chip_select            = 0,
 120         },
 121 };
 122
 123 #ifdef CONFIG_MTD
 124 static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
 125 {
 126         char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
 127         size_t retlen;
 128
 129         if (!strcmp(mtd->name, "MAC-Address")) {
 130                 mtd->read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
 131                 if (retlen == ETH_ALEN)
 132                         pr_info("Read MAC addr from SPI Flash: %pM\n",
 133                                 mac_addr);
 134         }
 135 }
 136
 137 static struct mtd_notifier da850evm_spi_notifier = {
 138         .add    = da850_evm_m25p80_notify_add,
 139 };
 140
 141 static void da850_evm_setup_mac_addr(void)
 142 {
 143         register_mtd_user(&da850evm_spi_notifier);
 144 }
 145 #else
 146 static void da850_evm_setup_mac_addr(void) { }
 147 #endif
 148
 149 static struct mtd_partition da850_evm_norflash_partition[] = {
 150         {
 151                 .name           = "bootloaders + env",
 152                 .offset         = 0,
 153                 .size           = SZ_512K,
 154                 .mask_flags     = MTD_WRITEABLE,
 155         },
 156         {
 157                 .name           = "kernel",
 158                 .offset         = MTDPART_OFS_APPEND,
 159                 .size           = SZ_2M,
 160                 .mask_flags     = 0,
 161         },
 162         {
 163                 .name           = "filesystem",
 164                 .offset         = MTDPART_OFS_APPEND,
 165                 .size           = MTDPART_SIZ_FULL,
 166                 .mask_flags     = 0,
 167         },
 168 };
 169
 170 static struct physmap_flash_data da850_evm_norflash_data = {
 171         .width          = 2,
 172         .parts          = da850_evm_norflash_partition,
 173         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
 174 };
 175
 176 static struct resource da850_evm_norflash_resource[] = {
 177         {
 178                 .start  = DA8XX_AEMIF_CS2_BASE,
 179                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
 180                 .flags  = IORESOURCE_MEM,
 181         },
 182 };
 183
 184 static struct platform_device da850_evm_norflash_device = {
 185         .name           = "physmap-flash",
 186         .id             = 0,
 187         .dev            = {
 188                 .platform_data  = &da850_evm_norflash_data,
 189         },
 190         .num_resources  = 1,
 191         .resource       = da850_evm_norflash_resource,
 192 };
 193
 194 static struct davinci_pm_config da850_pm_pdata = {
 195         .sleepcount = 128,
 196 };
 197
 198 static struct platform_device da850_pm_device = {
 199         .name           = "pm-davinci",
 200         .dev = {
 201                 .platform_data  = &da850_pm_pdata,
 202         },
 203         .id             = -1,
 204 };
 205
 206 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
 207  * (128K blocks). It may be used instead of the (default) SPI flash
 208  * to boot, using TI's tools to install the secondary boot loader
 209  * (UBL) and U-Boot.
 210  */
 211 static struct mtd_partition da850_evm_nandflash_partition[] = {
 212         {
 213                 .name           = "u-boot env",
 214                 .offset         = 0,
 215                 .size           = SZ_128K,
 216                 .mask_flags     = MTD_WRITEABLE,
 217          },
 218         {
 219                 .name           = "UBL",
 220                 .offset         = MTDPART_OFS_APPEND,
 221                 .size           = SZ_128K,
 222                 .mask_flags     = MTD_WRITEABLE,
 223         },
 224         {
 225                 .name           = "u-boot",
 226                 .offset         = MTDPART_OFS_APPEND,
 227                 .size           = 4 * SZ_128K,
 228                 .mask_flags     = MTD_WRITEABLE,
 229         },
 230         {
 231                 .name           = "kernel",
 232                 .offset         = 0x200000,
 233                 .size           = SZ_2M,
 234                 .mask_flags     = 0,
 235         },
 236         {
 237                 .name           = "filesystem",
 238                 .offset         = MTDPART_OFS_APPEND,
 239                 .size           = MTDPART_SIZ_FULL,
 240                 .mask_flags     = 0,
 241         },
 242 };
 243
 244 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
 245         .wsetup         = 24,
 246         .wstrobe        = 21,
 247         .whold          = 14,
 248         .rsetup         = 19,
 249         .rstrobe        = 50,
 250         .rhold          = 0,
 251         .ta             = 20,
 252 };
 253
 254 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 255         .parts          = da850_evm_nandflash_partition,
 256         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 257         .ecc_mode       = NAND_ECC_HW,
 258         .ecc_bits       = 4,
 259         .bbt_options    = NAND_BBT_USE_FLASH,
 260         .timing         = &da850_evm_nandflash_timing,
 261 };
 262
 263 static struct resource da850_evm_nandflash_resource[] = {
 264         {
 265                 .start  = DA8XX_AEMIF_CS3_BASE,
 266                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 267                 .flags  = IORESOURCE_MEM,
 268         },
 269         {
 270                 .start  = DA8XX_AEMIF_CTL_BASE,
 271                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 272                 .flags  = IORESOURCE_MEM,
 273         },
 274 };
 275
 276 static struct platform_device da850_evm_nandflash_device = {
 277         .name           = "davinci_nand",
 278         .id             = 1,
 279         .dev            = {
 280                 .platform_data  = &da850_evm_nandflash_data,
 281         },
 282         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 283         .resource       = da850_evm_nandflash_resource,
 284 };
 285
 286 static struct platform_device *da850_evm_devices[] __initdata = {
 287         &da850_evm_nandflash_device,
 288         &da850_evm_norflash_device,
 289 };
 290
 291 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
 292 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
 293
 294 static void __init da850_evm_init_nor(void)
 295 {
 296         void __iomem *aemif_addr;
 297
 298         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
 299
 300         /* Configure data bus width of CS2 to 16 bit */
 301         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
 302                 DA8XX_AEMIF_ASIZE_16BIT,
 303                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
 304
 305         iounmap(aemif_addr);
 306 }
 307
 308 static const short da850_evm_nand_pins[] = {
 309         DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
 310         DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
 311         DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
 312         DA850_NEMA_WE, DA850_NEMA_OE,
 313         -1
 314 };
 315
 316 static const short da850_evm_nor_pins[] = {
 317         DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
 318         DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
 319         DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
 320         DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
 321         DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
 322         DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
 323         DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
 324         DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
 325         DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
 326         DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
 327         DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
 328         DA850_EMA_A_22, DA850_EMA_A_23,
 329         -1
 330 };
 331
 332 #if defined(CONFIG_MMC_DAVINCI) || \
 333     defined(CONFIG_MMC_DAVINCI_MODULE)
 334 #define HAS_MMC 1
 335 #else
 336 #define HAS_MMC 0
 337 #endif
 338
 339 static inline void da850_evm_setup_nor_nand(void)
 340 {
 341         int ret = 0;
 342
 343         if (!HAS_MMC) {
 344                 ret = davinci_cfg_reg_list(da850_evm_nand_pins);
 345                 if (ret)
 346                         pr_warning("da850_evm_init: nand mux setup failed: "
 347                                         "%d\n", ret);
 348
 349                 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
 350                 if (ret)
 351                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 352                                 ret);
 353
 354                 da850_evm_init_nor();
 355
 356                 platform_add_devices(da850_evm_devices,
 357                                         ARRAY_SIZE(da850_evm_devices));
 358         }
 359 }
 360
 361 #ifdef CONFIG_DA850_UI_RMII
 362 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
 363 {
 364         struct davinci_soc_info *soc_info = &davinci_soc_info;
 365
 366         soc_info->emac_pdata->rmii_en = 1;
 367         gpio_set_value_cansleep(rmii_sel, 0);
 368 }
 369 #else
 370 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
 371 #endif
 372
 373
 374 #define DA850_KEYS_DEBOUNCE_MS  10
 375 /*
 376  * At 200ms polling interval it is possible to miss an
 377  * event by tapping very lightly on the push button but most
 378  * pushes do result in an event; longer intervals require the
 379  * user to hold the button whereas shorter intervals require
 380  * more CPU time for polling.
 381  */
 382 #define DA850_GPIO_KEYS_POLL_MS 200
 383
 384 enum da850_evm_ui_exp_pins {
 385         DA850_EVM_UI_EXP_SEL_C = 5,
 386         DA850_EVM_UI_EXP_SEL_B,
 387         DA850_EVM_UI_EXP_SEL_A,
 388         DA850_EVM_UI_EXP_PB8,
 389         DA850_EVM_UI_EXP_PB7,
 390         DA850_EVM_UI_EXP_PB6,
 391         DA850_EVM_UI_EXP_PB5,
 392         DA850_EVM_UI_EXP_PB4,
 393         DA850_EVM_UI_EXP_PB3,
 394         DA850_EVM_UI_EXP_PB2,
 395         DA850_EVM_UI_EXP_PB1,
 396 };
 397
 398 static const char const *da850_evm_ui_exp[] = {
 399         [DA850_EVM_UI_EXP_SEL_C]        = "sel_c",
 400         [DA850_EVM_UI_EXP_SEL_B]        = "sel_b",
 401         [DA850_EVM_UI_EXP_SEL_A]        = "sel_a",
 402         [DA850_EVM_UI_EXP_PB8]          = "pb8",
 403         [DA850_EVM_UI_EXP_PB7]          = "pb7",
 404         [DA850_EVM_UI_EXP_PB6]          = "pb6",
 405         [DA850_EVM_UI_EXP_PB5]          = "pb5",
 406         [DA850_EVM_UI_EXP_PB4]          = "pb4",
 407         [DA850_EVM_UI_EXP_PB3]          = "pb3",
 408         [DA850_EVM_UI_EXP_PB2]          = "pb2",
 409         [DA850_EVM_UI_EXP_PB1]          = "pb1",
 410 };
 411
 412 #define DA850_N_UI_PB           8
 413
 414 static struct gpio_keys_button da850_evm_ui_keys[] = {
 415         [0 ... DA850_N_UI_PB - 1] = {
 416                 .type                   = EV_KEY,
 417                 .active_low             = 1,
 418                 .wakeup                 = 0,
 419                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 420                 .code                   = -1, /* assigned at runtime */
 421                 .gpio                   = -1, /* assigned at runtime */
 422                 .desc                   = NULL, /* assigned at runtime */
 423         },
 424 };
 425
 426 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
 427         .buttons = da850_evm_ui_keys,
 428         .nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
 429         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 430 };
 431
 432 static struct platform_device da850_evm_ui_keys_device = {
 433         .name = "gpio-keys-polled",
 434         .id = 0,
 435         .dev = {
 436                 .platform_data = &da850_evm_ui_keys_pdata
 437         },
 438 };
 439
 440 static void da850_evm_ui_keys_init(unsigned gpio)
 441 {
 442         int i;
 443         struct gpio_keys_button *button;
 444
 445         for (i = 0; i < DA850_N_UI_PB; i++) {
 446                 button = &da850_evm_ui_keys[i];
 447                 button->code = KEY_F8 - i;
 448                 button->desc = (char *)
 449                                 da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
 450                 button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
 451         }
 452 }
 453
 454 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 455                                                 unsigned ngpio, void *c)
 456 {
 457         int sel_a, sel_b, sel_c, ret;
 458
 459         sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
 460         sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
 461         sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
 462
 463         ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
 464         if (ret) {
 465                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
 466                 goto exp_setup_sela_fail;
 467         }
 468
 469         ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
 470         if (ret) {
 471                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
 472                 goto exp_setup_selb_fail;
 473         }
 474
 475         ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
 476         if (ret) {
 477                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
 478                 goto exp_setup_selc_fail;
 479         }
 480
 481         /* deselect all functionalities */
 482         gpio_direction_output(sel_a, 1);
 483         gpio_direction_output(sel_b, 1);
 484         gpio_direction_output(sel_c, 1);
 485
 486         da850_evm_ui_keys_init(gpio);
 487         ret = platform_device_register(&da850_evm_ui_keys_device);
 488         if (ret) {
 489                 pr_warning("Could not register UI GPIO expander push-buttons");
 490                 goto exp_setup_keys_fail;
 491         }
 492
 493         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 494
 495         da850_evm_setup_nor_nand();
 496
 497         da850_evm_setup_emac_rmii(sel_a);
 498
 499         return 0;
 500
 501 exp_setup_keys_fail:
 502         gpio_free(sel_c);
 503 exp_setup_selc_fail:
 504         gpio_free(sel_b);
 505 exp_setup_selb_fail:
 506         gpio_free(sel_a);
 507 exp_setup_sela_fail:
 508         return ret;
 509 }
 510
 511 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 512                                         unsigned gpio, unsigned ngpio, void *c)
 513 {
 514         platform_device_unregister(&da850_evm_ui_keys_device);
 515
 516         /* deselect all functionalities */
 517         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
 518         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
 519         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
 520
 521         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
 522         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
 523         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
 524
 525         return 0;
 526 }
 527
 528 /* assign the baseboard expander's GPIOs after the UI board's */
 529 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
 530 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
 531
 532 enum da850_evm_bb_exp_pins {
 533         DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
 534         DA850_EVM_BB_EXP_SW_RST,
 535         DA850_EVM_BB_EXP_TP_23,
 536         DA850_EVM_BB_EXP_TP_22,
 537         DA850_EVM_BB_EXP_TP_21,
 538         DA850_EVM_BB_EXP_USER_PB1,
 539         DA850_EVM_BB_EXP_USER_LED2,
 540         DA850_EVM_BB_EXP_USER_LED1,
 541         DA850_EVM_BB_EXP_USER_SW1,
 542         DA850_EVM_BB_EXP_USER_SW2,
 543         DA850_EVM_BB_EXP_USER_SW3,
 544         DA850_EVM_BB_EXP_USER_SW4,
 545         DA850_EVM_BB_EXP_USER_SW5,
 546         DA850_EVM_BB_EXP_USER_SW6,
 547         DA850_EVM_BB_EXP_USER_SW7,
 548         DA850_EVM_BB_EXP_USER_SW8
 549 };
 550
 551 static const char const *da850_evm_bb_exp[] = {
 552         [DA850_EVM_BB_EXP_DEEP_SLEEP_EN]        = "deep_sleep_en",
 553         [DA850_EVM_BB_EXP_SW_RST]               = "sw_rst",
 554         [DA850_EVM_BB_EXP_TP_23]                = "tp_23",
 555         [DA850_EVM_BB_EXP_TP_22]                = "tp_22",
 556         [DA850_EVM_BB_EXP_TP_21]                = "tp_21",
 557         [DA850_EVM_BB_EXP_USER_PB1]             = "user_pb1",
 558         [DA850_EVM_BB_EXP_USER_LED2]            = "user_led2",
 559         [DA850_EVM_BB_EXP_USER_LED1]            = "user_led1",
 560         [DA850_EVM_BB_EXP_USER_SW1]             = "user_sw1",
 561         [DA850_EVM_BB_EXP_USER_SW2]             = "user_sw2",
 562         [DA850_EVM_BB_EXP_USER_SW3]             = "user_sw3",
 563         [DA850_EVM_BB_EXP_USER_SW4]             = "user_sw4",
 564         [DA850_EVM_BB_EXP_USER_SW5]             = "user_sw5",
 565         [DA850_EVM_BB_EXP_USER_SW6]             = "user_sw6",
 566         [DA850_EVM_BB_EXP_USER_SW7]             = "user_sw7",
 567         [DA850_EVM_BB_EXP_USER_SW8]             = "user_sw8",
 568 };
 569
 570 #define DA850_N_BB_USER_SW      8
 571
 572 static struct gpio_keys_button da850_evm_bb_keys[] = {
 573         [0] = {
 574                 .type                   = EV_KEY,
 575                 .active_low             = 1,
 576                 .wakeup                 = 0,
 577                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 578                 .code                   = KEY_PROG1,
 579                 .desc                   = NULL, /* assigned at runtime */
 580                 .gpio                   = -1, /* assigned at runtime */
 581         },
 582         [1 ... DA850_N_BB_USER_SW] = {
 583                 .type                   = EV_SW,
 584                 .active_low             = 1,
 585                 .wakeup                 = 0,
 586                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 587                 .code                   = -1, /* assigned at runtime */
 588                 .desc                   = NULL, /* assigned at runtime */
 589                 .gpio                   = -1, /* assigned at runtime */
 590         },
 591 };
 592
 593 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
 594         .buttons = da850_evm_bb_keys,
 595         .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
 596         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 597 };
 598
 599 static struct platform_device da850_evm_bb_keys_device = {
 600         .name = "gpio-keys-polled",
 601         .id = 1,
 602         .dev = {
 603                 .platform_data = &da850_evm_bb_keys_pdata
 604         },
 605 };
 606
 607 static void da850_evm_bb_keys_init(unsigned gpio)
 608 {
 609         int i;
 610         struct gpio_keys_button *button;
 611
 612         button = &da850_evm_bb_keys[0];
 613         button->desc = (char *)
 614                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
 615         button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
 616
 617         for (i = 0; i < DA850_N_BB_USER_SW; i++) {
 618                 button = &da850_evm_bb_keys[i + 1];
 619                 button->code = SW_LID + i;
 620                 button->desc = (char *)
 621                                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
 622                 button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
 623         }
 624 }
 625
 626 #define DA850_N_BB_USER_LED     2
 627
 628 static struct gpio_led da850_evm_bb_leds[] = {
 629         [0 ... DA850_N_BB_USER_LED - 1] = {
 630                 .active_low = 1,
 631                 .gpio = -1, /* assigned at runtime */
 632                 .name = NULL, /* assigned at runtime */
 633         },
 634 };
 635
 636 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
 637         .leds = da850_evm_bb_leds,
 638         .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
 639 };
 640
 641 static struct platform_device da850_evm_bb_leds_device = {
 642         .name           = "leds-gpio",
 643         .id             = -1,
 644         .dev = {
 645                 .platform_data = &da850_evm_bb_leds_pdata
 646         }
 647 };
 648
 649 static void da850_evm_bb_leds_init(unsigned gpio)
 650 {
 651         int i;
 652         struct gpio_led *led;
 653
 654         for (i = 0; i < DA850_N_BB_USER_LED; i++) {
 655                 led = &da850_evm_bb_leds[i];
 656
 657                 led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
 658                 led->name =
 659                         da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
 660         }
 661 }
 662
 663 static int da850_evm_bb_expander_setup(struct i2c_client *client,
 664                                                 unsigned gpio, unsigned ngpio,
 665                                                 void *c)
 666 {
 667         int ret;
 668
 669         /*
 670          * Register the switches and pushbutton on the baseboard as a gpio-keys
 671          * device.
 672          */
 673         da850_evm_bb_keys_init(gpio);
 674         ret = platform_device_register(&da850_evm_bb_keys_device);
 675         if (ret) {
 676                 pr_warning("Could not register baseboard GPIO expander keys");
 677                 goto io_exp_setup_sw_fail;
 678         }
 679
 680         da850_evm_bb_leds_init(gpio);
 681         ret = platform_device_register(&da850_evm_bb_leds_device);
 682         if (ret) {
 683                 pr_warning("Could not register baseboard GPIO expander LEDS");
 684                 goto io_exp_setup_leds_fail;
 685         }
 686
 687         return 0;
 688
 689 io_exp_setup_leds_fail:
 690         platform_device_unregister(&da850_evm_bb_keys_device);
 691 io_exp_setup_sw_fail:
 692         return ret;
 693 }
 694
 695 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
 696                                         unsigned gpio, unsigned ngpio, void *c)
 697 {
 698         platform_device_unregister(&da850_evm_bb_leds_device);
 699         platform_device_unregister(&da850_evm_bb_keys_device);
 700
 701         return 0;
 702 }
 703
 704 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 705         .gpio_base      = DAVINCI_N_GPIO,
 706         .setup          = da850_evm_ui_expander_setup,
 707         .teardown       = da850_evm_ui_expander_teardown,
 708         .names          = da850_evm_ui_exp,
 709 };
 710
 711 static struct pca953x_platform_data da850_evm_bb_expander_info = {
 712         .gpio_base      = DA850_BB_EXPANDER_GPIO_BASE,
 713         .setup          = da850_evm_bb_expander_setup,
 714         .teardown       = da850_evm_bb_expander_teardown,
 715         .names          = da850_evm_bb_exp,
 716 };
 717
 718 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 719         {
 720                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 721         },
 722         {
 723                 I2C_BOARD_INFO("tca6416", 0x20),
 724                 .platform_data = &da850_evm_ui_expander_info,
 725         },
 726         {
 727                 I2C_BOARD_INFO("tca6416", 0x21),
 728                 .platform_data = &da850_evm_bb_expander_info,
 729         },
 730 };
 731
 732 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 733         .bus_freq       = 100,  /* kHz */
 734         .bus_delay      = 0,    /* usec */
 735 };
 736
 737 static struct davinci_uart_config da850_evm_uart_config __initdata = {
 738         .enabled_uarts = 0x7,
 739 };
 740
 741 /* davinci da850 evm audio machine driver */
 742 static u8 da850_iis_serializer_direction[] = {
 743         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 744         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 745         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 746         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 747 };
 748
 749 static struct snd_platform_data da850_evm_snd_data = {
 750         .tx_dma_offset  = 0x2000,
 751         .rx_dma_offset  = 0x2000,
 752         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 753         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
 754         .tdm_slots      = 2,
 755         .serial_dir     = da850_iis_serializer_direction,
 756         .asp_chan_q     = EVENTQ_1,
 757         .version        = MCASP_VERSION_2,
 758         .txnumevt       = 1,
 759         .rxnumevt       = 1,
 760 };
 761
 762 static const short da850_evm_mcasp_pins[] __initconst = {
 763         DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
 764         DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
 765         DA850_AXR_11, DA850_AXR_12,
 766         -1
 767 };
 768
 769 static int da850_evm_mmc_get_ro(int index)
 770 {
 771         return gpio_get_value(DA850_MMCSD_WP_PIN);
 772 }
 773
 774 static int da850_evm_mmc_get_cd(int index)
 775 {
 776         return !gpio_get_value(DA850_MMCSD_CD_PIN);
 777 }
 778
 779 static struct davinci_mmc_config da850_mmc_config = {
 780         .get_ro         = da850_evm_mmc_get_ro,
 781         .get_cd         = da850_evm_mmc_get_cd,
 782         .wires          = 4,
 783         .max_freq       = 50000000,
 784         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 785         .version        = MMC_CTLR_VERSION_2,
 786 };
 787
 788 static const short da850_evm_mmcsd0_pins[] __initconst = {
 789         DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
 790         DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
 791         DA850_GPIO4_0, DA850_GPIO4_1,
 792         -1
 793 };
 794
 795 static void da850_panel_power_ctrl(int val)
 796 {
 797         /* lcd backlight */
 798         gpio_set_value(DA850_LCD_BL_PIN, val);
 799
 800         /* lcd power */
 801         gpio_set_value(DA850_LCD_PWR_PIN, val);
 802 }
 803
 804 static int da850_lcd_hw_init(void)
 805 {
 806         int status;
 807
 808         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 809         if (status < 0)
 810                 return status;
 811
 812         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 813         if (status < 0) {
 814                 gpio_free(DA850_LCD_BL_PIN);
 815                 return status;
 816         }
 817
 818         gpio_direction_output(DA850_LCD_BL_PIN, 0);
 819         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 820
 821         /* Switch off panel power and backlight */
 822         da850_panel_power_ctrl(0);
 823
 824         /* Switch on panel power and backlight */
 825         da850_panel_power_ctrl(1);
 826
 827         return 0;
 828 }
 829
 830 /* TPS65070 voltage regulator support */
 831
 832 /* 3.3V */
 833 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 834         {
 835                 .supply = "usb0_vdda33",
 836         },
 837         {
 838                 .supply = "usb1_vdda33",
 839         },
 840 };
 841
 842 /* 3.3V or 1.8V */
 843 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 844         {
 845                 .supply = "dvdd3318_a",
 846         },
 847         {
 848                 .supply = "dvdd3318_b",
 849         },
 850         {
 851                 .supply = "dvdd3318_c",
 852         },
 853 };
 854
 855 /* 1.2V */
 856 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 857         {
 858                 .supply = "cvdd",
 859         },
 860 };
 861
 862 /* 1.8V LDO */
 863 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 864         {
 865                 .supply = "sata_vddr",
 866         },
 867         {
 868                 .supply = "usb0_vdda18",
 869         },
 870         {
 871                 .supply = "usb1_vdda18",
 872         },
 873         {
 874                 .supply = "ddr_dvdd18",
 875         },
 876 };
 877
 878 /* 1.2V LDO */
 879 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 880         {
 881                 .supply = "sata_vdd",
 882         },
 883         {
 884                 .supply = "pll0_vdda",
 885         },
 886         {
 887                 .supply = "pll1_vdda",
 888         },
 889         {
 890                 .supply = "usbs_cvdd",
 891         },
 892         {
 893                 .supply = "vddarnwa1",
 894         },
 895 };
 896
 897 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
 898 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
 899         .defdcdc_default = true,
 900 };
 901
 902 static struct regulator_init_data tps65070_regulator_data[] = {
 903         /* dcdc1 */
 904         {
 905                 .constraints = {
 906                         .min_uV = 3150000,
 907                         .max_uV = 3450000,
 908                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 909                                 REGULATOR_CHANGE_STATUS),
 910                         .boot_on = 1,
 911                 },
 912                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 913                 .consumer_supplies = tps65070_dcdc1_consumers,
 914         },
 915
 916         /* dcdc2 */
 917         {
 918                 .constraints = {
 919                         .min_uV = 1710000,
 920                         .max_uV = 3450000,
 921                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 922                                 REGULATOR_CHANGE_STATUS),
 923                         .boot_on = 1,
 924                 },
 925                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 926                 .consumer_supplies = tps65070_dcdc2_consumers,
 927                 .driver_data = &tps6507x_platform_data,
 928         },
 929
 930         /* dcdc3 */
 931         {
 932                 .constraints = {
 933                         .min_uV = 950000,
 934                         .max_uV = 1350000,
 935                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 936                                 REGULATOR_CHANGE_STATUS),
 937                         .boot_on = 1,
 938                 },
 939                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 940                 .consumer_supplies = tps65070_dcdc3_consumers,
 941                 .driver_data = &tps6507x_platform_data,
 942         },
 943
 944         /* ldo1 */
 945         {
 946                 .constraints = {
 947                         .min_uV = 1710000,
 948                         .max_uV = 1890000,
 949                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 950                                 REGULATOR_CHANGE_STATUS),
 951                         .boot_on = 1,
 952                 },
 953                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 954                 .consumer_supplies = tps65070_ldo1_consumers,
 955         },
 956
 957         /* ldo2 */
 958         {
 959                 .constraints = {
 960                         .min_uV = 1140000,
 961                         .max_uV = 1320000,
 962                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 963                                 REGULATOR_CHANGE_STATUS),
 964                         .boot_on = 1,
 965                 },
 966                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 967                 .consumer_supplies = tps65070_ldo2_consumers,
 968         },
 969 };
 970
 971 static struct touchscreen_init_data tps6507x_touchscreen_data = {
 972         .poll_period =  30,     /* ms between touch samples */
 973         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
 974         .vref = 0,              /* turn off vref when not using A/D */
 975         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
 976         .product = 65070,       /* /sys/class/input/input?/id/product */
 977         .version = 0x100,       /* /sys/class/input/input?/id/version */
 978 };
 979
 980 static struct tps6507x_board tps_board = {
 981         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
 982         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
 983 };
 984
 985 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
 986         {
 987                 I2C_BOARD_INFO("tps6507x", 0x48),
 988                 .platform_data = &tps_board,
 989         },
 990 };
 991
 992 static int __init pmic_tps65070_init(void)
 993 {
 994         return i2c_register_board_info(1, da850_evm_tps65070_info,
 995                                         ARRAY_SIZE(da850_evm_tps65070_info));
 996 }
 997
 998 static const short da850_evm_lcdc_pins[] = {
 999         DA850_GPIO2_8, DA850_GPIO2_15,
1000         -1
1001 };
1002
1003 static const short da850_evm_mii_pins[] = {
1004         DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1005         DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1006         DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1007         DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1008         DA850_MDIO_D,
1009         -1
1010 };
1011
1012 static const short da850_evm_rmii_pins[] = {
1013         DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1014         DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1015         DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1016         DA850_MDIO_D,
1017         -1
1018 };
1019
1020 static int __init da850_evm_config_emac(void)
1021 {
1022         void __iomem *cfg_chip3_base;
1023         int ret;
1024         u32 val;
1025         struct davinci_soc_info *soc_info = &davinci_soc_info;
1026         u8 rmii_en = soc_info->emac_pdata->rmii_en;
1027
1028         if (!machine_is_davinci_da850_evm())
1029                 return 0;
1030
1031         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
1032
1033         val = __raw_readl(cfg_chip3_base);
1034
1035         if (rmii_en) {
1036                 val |= BIT(8);
1037                 ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
1038                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1039                                                         " functional\n");
1040         } else {
1041                 val &= ~BIT(8);
1042                 ret = davinci_cfg_reg_list(da850_evm_mii_pins);
1043                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1044                                                         " functional\n");
1045         }
1046
1047         if (ret)
1048                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
1049                                 ret);
1050
1051         /* configure the CFGCHIP3 register for RMII or MII */
1052         __raw_writel(val, cfg_chip3_base);
1053
1054         ret = davinci_cfg_reg(DA850_GPIO2_6);
1055         if (ret)
1056                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
1057                                                         "failed\n");
1058
1059         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
1060         if (ret) {
1061                 pr_warning("Cannot open GPIO %d\n",
1062                                         DA850_MII_MDIO_CLKEN_PIN);
1063                 return ret;
1064         }
1065
1066         /* Enable/Disable MII MDIO clock */
1067         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
1068
1069         soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
1070
1071         ret = da8xx_register_emac();
1072         if (ret)
1073                 pr_warning("da850_evm_init: emac registration failed: %d\n",
1074                                 ret);
1075
1076         return 0;
1077 }
1078 device_initcall(da850_evm_config_emac);
1079
1080 /*
1081  * The following EDMA channels/slots are not being used by drivers (for
1082  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1083  * they are being reserved for codecs on the DSP side.
1084  */
1085 static const s16 da850_dma0_rsv_chans[][2] = {
1086         /* (offset, number) */
1087         { 8,  6},
1088         {24,  4},
1089         {30,  2},
1090         {-1, -1}
1091 };
1092
1093 static const s16 da850_dma0_rsv_slots[][2] = {
1094         /* (offset, number) */
1095         { 8,  6},
1096         {24,  4},
1097         {30, 50},
1098         {-1, -1}
1099 };
1100
1101 static const s16 da850_dma1_rsv_chans[][2] = {
1102         /* (offset, number) */
1103         { 0, 28},
1104         {30,  2},
1105         {-1, -1}
1106 };
1107
1108 static const s16 da850_dma1_rsv_slots[][2] = {
1109         /* (offset, number) */
1110         { 0, 28},
1111         {30, 90},
1112         {-1, -1}
1113 };
1114
1115 static struct edma_rsv_info da850_edma_cc0_rsv = {
1116         .rsv_chans      = da850_dma0_rsv_chans,
1117         .rsv_slots      = da850_dma0_rsv_slots,
1118 };
1119
1120 static struct edma_rsv_info da850_edma_cc1_rsv = {
1121         .rsv_chans      = da850_dma1_rsv_chans,
1122         .rsv_slots      = da850_dma1_rsv_slots,
1123 };
1124
1125 static struct edma_rsv_info *da850_edma_rsv[2] = {
1126         &da850_edma_cc0_rsv,
1127         &da850_edma_cc1_rsv,
1128 };
1129
1130 #ifdef CONFIG_CPU_FREQ
1131 static __init int da850_evm_init_cpufreq(void)
1132 {
1133         switch (system_rev & 0xF) {
1134         case 3:
1135                 da850_max_speed = 456000;
1136                 break;
1137         case 2:
1138                 da850_max_speed = 408000;
1139                 break;
1140         case 1:
1141                 da850_max_speed = 372000;
1142                 break;
1143         }
1144
1145         return da850_register_cpufreq("pll0_sysclk3");
1146 }
1147 #else
1148 static __init int da850_evm_init_cpufreq(void) { return 0; }
1149 #endif
1150
1151 #ifdef CONFIG_DA850_WL12XX
1152
1153 static void wl12xx_set_power(int index, bool power_on)
1154 {
1155         static bool power_state;
1156
1157         pr_debug("Powering %s wl12xx", power_on ? "on" : "off");
1158
1159         if (power_on == power_state)
1160                 return;
1161         power_state = power_on;
1162
1163         if (power_on) {
1164                 /* Power up sequence required for wl127x devices */
1165                 gpio_set_value(DA850_WLAN_EN, 1);
1166                 usleep_range(15000, 15000);
1167                 gpio_set_value(DA850_WLAN_EN, 0);
1168                 usleep_range(1000, 1000);
1169                 gpio_set_value(DA850_WLAN_EN, 1);
1170                 msleep(70);
1171         } else {
1172                 gpio_set_value(DA850_WLAN_EN, 0);
1173         }
1174 }
1175
1176 static struct davinci_mmc_config da850_wl12xx_mmc_config = {
1177         .set_power      = wl12xx_set_power,
1178         .wires          = 4,
1179         .max_freq       = 25000000,
1180         .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE |
1181                           MMC_CAP_POWER_OFF_CARD,
1182         .version        = MMC_CTLR_VERSION_2,
1183 };
1184
1185 static const short da850_wl12xx_pins[] __initconst = {
1186         DA850_MMCSD1_DAT_0, DA850_MMCSD1_DAT_1, DA850_MMCSD1_DAT_2,
1187         DA850_MMCSD1_DAT_3, DA850_MMCSD1_CLK, DA850_MMCSD1_CMD,
1188         DA850_GPIO6_9, DA850_GPIO6_10,
1189         -1
1190 };
1191
1192 static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata = {
1193         .irq                    = -1,
1194         .board_ref_clock        = WL12XX_REFCLOCK_38,
1195         .platform_quirks        = WL12XX_PLATFORM_QUIRK_EDGE_IRQ,
1196 };
1197
1198 static __init int da850_wl12xx_init(void)
1199 {
1200         int ret;
1201
1202         ret = davinci_cfg_reg_list(da850_wl12xx_pins);
1203         if (ret) {
1204                 pr_err("wl12xx/mmc mux setup failed: %d\n", ret);
1205                 goto exit;
1206         }
1207
1208         ret = da850_register_mmcsd1(&da850_wl12xx_mmc_config);
1209         if (ret) {
1210                 pr_err("wl12xx/mmc registration failed: %d\n", ret);
1211                 goto exit;
1212         }
1213
1214         ret = gpio_request_one(DA850_WLAN_EN, GPIOF_OUT_INIT_LOW, "wl12xx_en");
1215         if (ret) {
1216                 pr_err("Could not request wl12xx enable gpio: %d\n", ret);
1217                 goto exit;
1218         }
1219
1220         ret = gpio_request_one(DA850_WLAN_IRQ, GPIOF_IN, "wl12xx_irq");
1221         if (ret) {
1222                 pr_err("Could not request wl12xx irq gpio: %d\n", ret);
1223                 goto free_wlan_en;
1224         }
1225
1226         da850_wl12xx_wlan_data.irq = gpio_to_irq(DA850_WLAN_IRQ);
1227
1228         ret = wl12xx_set_platform_data(&da850_wl12xx_wlan_data);
1229         if (ret) {
1230                 pr_err("Could not set wl12xx data: %d\n", ret);
1231                 goto free_wlan_irq;
1232         }
1233
1234         return 0;
1235
1236 free_wlan_irq:
1237         gpio_free(DA850_WLAN_IRQ);
1238
1239 free_wlan_en:
1240         gpio_free(DA850_WLAN_EN);
1241
1242 exit:
1243         return ret;
1244 }
1245
1246 #else /* CONFIG_DA850_WL12XX */
1247
1248 static __init int da850_wl12xx_init(void)
1249 {
1250         return 0;
1251 }
1252
1253 #endif /* CONFIG_DA850_WL12XX */
1254
1255 #define DA850EVM_SATA_REFCLKPN_RATE     (100 * 1000 * 1000)
1256
1257 static __init void da850_evm_init(void)
1258 {
1259         int ret;
1260
1261         ret = pmic_tps65070_init();
1262         if (ret)
1263                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
1264                                 ret);
1265
1266         ret = da850_register_edma(da850_edma_rsv);
1267         if (ret)
1268                 pr_warning("da850_evm_init: edma registration failed: %d\n",
1269                                 ret);
1270
1271         ret = davinci_cfg_reg_list(da850_i2c0_pins);
1272         if (ret)
1273                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
1274                                 ret);
1275
1276         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1277         if (ret)
1278                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
1279                                 ret);
1280
1281
1282         ret = da8xx_register_watchdog();
1283         if (ret)
1284                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
1285                                 ret);
1286
1287         if (HAS_MMC) {
1288                 ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1289                 if (ret)
1290                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
1291                                         " %d\n", ret);
1292
1293                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
1294                 if (ret)
1295                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1296                                         DA850_MMCSD_CD_PIN);
1297                 gpio_direction_input(DA850_MMCSD_CD_PIN);
1298
1299                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
1300                 if (ret)
1301                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1302                                         DA850_MMCSD_WP_PIN);
1303                 gpio_direction_input(DA850_MMCSD_WP_PIN);
1304
1305                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
1306                 if (ret)
1307                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
1308                                         " %d\n", ret);
1309
1310                 ret = da850_wl12xx_init();
1311                 if (ret)
1312                         pr_warning("da850_evm_init: wl12xx initialization"
1313                                    " failed: %d\n", ret);
1314         }
1315
1316         davinci_serial_init(&da850_evm_uart_config);
1317
1318         i2c_register_board_info(1, da850_evm_i2c_devices,
1319                         ARRAY_SIZE(da850_evm_i2c_devices));
1320
1321         /*
1322          * shut down uart 0 and 1; they are not used on the board and
1323          * accessing them causes endless "too much work in irq53" messages
1324          * with arago fs
1325          */
1326         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1327         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1328
1329         ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1330         if (ret)
1331                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
1332                                 ret);
1333
1334         da8xx_register_mcasp(0, &da850_evm_snd_data);
1335
1336         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1337         if (ret)
1338                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
1339                                 ret);
1340
1341         /* Handle board specific muxing for LCD here */
1342         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1343         if (ret)
1344                 pr_warning("da850_evm_init: evm specific lcd mux setup "
1345                                 "failed: %d\n", ret);
1346
1347         ret = da850_lcd_hw_init();
1348         if (ret)
1349                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
1350                                 ret);
1351
1352         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
1353         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1354         if (ret)
1355                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
1356                                 ret);
1357
1358         ret = da8xx_register_rtc();
1359         if (ret)
1360                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
1361
1362         ret = da850_evm_init_cpufreq();
1363         if (ret)
1364                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
1365                                 ret);
1366
1367         ret = da8xx_register_cpuidle();
1368         if (ret)
1369                 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
1370                                 ret);
1371
1372         ret = da850_register_pm(&da850_pm_device);
1373         if (ret)
1374                 pr_warning("da850_evm_init: suspend registration failed: %d\n",
1375                                 ret);
1376
1377         ret = da8xx_register_spi(1, da850evm_spi_info,
1378                                  ARRAY_SIZE(da850evm_spi_info));
1379         if (ret)
1380                 pr_warning("da850_evm_init: spi 1 registration failed: %d\n",
1381                                 ret);
1382
1383         ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE);
1384         if (ret)
1385                 pr_warning("da850_evm_init: sata registration failed: %d\n",
1386                                 ret);
1387
1388         da850_evm_setup_mac_addr();
1389 }
1390
1391 #ifdef CONFIG_SERIAL_8250_CONSOLE
1392 static int __init da850_evm_console_init(void)
1393 {
1394         if (!machine_is_davinci_da850_evm())
1395                 return 0;
1396
1397         return add_preferred_console("ttyS", 2, "115200");
1398 }
1399 console_initcall(da850_evm_console_init);
1400 #endif
1401
1402 static void __init da850_evm_map_io(void)
1403 {
1404         da850_init();
1405 }
1406
1407 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1408         .atag_offset    = 0x100,
1409         .map_io         = da850_evm_map_io,
1410         .init_irq       = cp_intc_init,
1411         .timer          = &davinci_timer,
1412         .init_machine   = da850_evm_init,
1413         .dma_zone_size  = SZ_128M,
1414 MACHINE_END