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
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37
  38 #include <mach/cp_intc.h>
  39 #include <mach/da8xx.h>
  40 #include <mach/nand.h>
  41 #include <mach/mux.h>
  42 #include <mach/aemif.h>
  43 #include <mach/spi.h>
  44
  45 #define DA850_EVM_PHY_ID                "0:00"
  46 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
  47 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
  48
  49 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
  50 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
  51
  52 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
  53
  54 static struct mtd_partition da850evm_spiflash_part[] = {
  55         [0] = {
  56                 .name = "UBL",
  57                 .offset = 0,
  58                 .size = SZ_64K,
  59                 .mask_flags = MTD_WRITEABLE,
  60         },
  61         [1] = {
  62                 .name = "U-Boot",
  63                 .offset = MTDPART_OFS_APPEND,
  64                 .size = SZ_512K,
  65                 .mask_flags = MTD_WRITEABLE,
  66         },
  67         [2] = {
  68                 .name = "U-Boot-Env",
  69                 .offset = MTDPART_OFS_APPEND,
  70                 .size = SZ_64K,
  71                 .mask_flags = MTD_WRITEABLE,
  72         },
  73         [3] = {
  74                 .name = "Kernel",
  75                 .offset = MTDPART_OFS_APPEND,
  76                 .size = SZ_2M + SZ_512K,
  77                 .mask_flags = 0,
  78         },
  79         [4] = {
  80                 .name = "Filesystem",
  81                 .offset = MTDPART_OFS_APPEND,
  82                 .size = SZ_4M,
  83                 .mask_flags = 0,
  84         },
  85         [5] = {
  86                 .name = "MAC-Address",
  87                 .offset = SZ_8M - SZ_64K,
  88                 .size = SZ_64K,
  89                 .mask_flags = MTD_WRITEABLE,
  90         },
  91 };
  92
  93 static struct flash_platform_data da850evm_spiflash_data = {
  94         .name           = "m25p80",
  95         .parts          = da850evm_spiflash_part,
  96         .nr_parts       = ARRAY_SIZE(da850evm_spiflash_part),
  97         .type           = "m25p64",
  98 };
  99
 100 static struct davinci_spi_config da850evm_spiflash_cfg = {
 101         .io_type        = SPI_IO_TYPE_DMA,
 102         .c2tdelay       = 8,
 103         .t2cdelay       = 8,
 104 };
 105
 106 static struct spi_board_info da850evm_spi_info[] = {
 107         {
 108                 .modalias               = "m25p80",
 109                 .platform_data          = &da850evm_spiflash_data,
 110                 .controller_data        = &da850evm_spiflash_cfg,
 111                 .mode                   = SPI_MODE_0,
 112                 .max_speed_hz           = 30000000,
 113                 .bus_num                = 1,
 114                 .chip_select            = 0,
 115         },
 116 };
 117
 118 #ifdef CONFIG_MTD
 119 static void da850_evm_m25p80_notify_add(struct mtd_info *mtd)
 120 {
 121         char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
 122         size_t retlen;
 123
 124         if (!strcmp(mtd->name, "MAC-Address")) {
 125                 mtd->read(mtd, 0, ETH_ALEN, &retlen, mac_addr);
 126                 if (retlen == ETH_ALEN)
 127                         pr_info("Read MAC addr from SPI Flash: %pM\n",
 128                                 mac_addr);
 129         }
 130 }
 131
 132 static struct mtd_notifier da850evm_spi_notifier = {
 133         .add    = da850_evm_m25p80_notify_add,
 134 };
 135
 136 static void da850_evm_setup_mac_addr(void)
 137 {
 138         register_mtd_user(&da850evm_spi_notifier);
 139 }
 140 #else
 141 static void da850_evm_setup_mac_addr(void) { }
 142 #endif
 143
 144 static struct mtd_partition da850_evm_norflash_partition[] = {
 145         {
 146                 .name           = "bootloaders + env",
 147                 .offset         = 0,
 148                 .size           = SZ_512K,
 149                 .mask_flags     = MTD_WRITEABLE,
 150         },
 151         {
 152                 .name           = "kernel",
 153                 .offset         = MTDPART_OFS_APPEND,
 154                 .size           = SZ_2M,
 155                 .mask_flags     = 0,
 156         },
 157         {
 158                 .name           = "filesystem",
 159                 .offset         = MTDPART_OFS_APPEND,
 160                 .size           = MTDPART_SIZ_FULL,
 161                 .mask_flags     = 0,
 162         },
 163 };
 164
 165 static struct physmap_flash_data da850_evm_norflash_data = {
 166         .width          = 2,
 167         .parts          = da850_evm_norflash_partition,
 168         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
 169 };
 170
 171 static struct resource da850_evm_norflash_resource[] = {
 172         {
 173                 .start  = DA8XX_AEMIF_CS2_BASE,
 174                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
 175                 .flags  = IORESOURCE_MEM,
 176         },
 177 };
 178
 179 static struct platform_device da850_evm_norflash_device = {
 180         .name           = "physmap-flash",
 181         .id             = 0,
 182         .dev            = {
 183                 .platform_data  = &da850_evm_norflash_data,
 184         },
 185         .num_resources  = 1,
 186         .resource       = da850_evm_norflash_resource,
 187 };
 188
 189 static struct davinci_pm_config da850_pm_pdata = {
 190         .sleepcount = 128,
 191 };
 192
 193 static struct platform_device da850_pm_device = {
 194         .name           = "pm-davinci",
 195         .dev = {
 196                 .platform_data  = &da850_pm_pdata,
 197         },
 198         .id             = -1,
 199 };
 200
 201 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
 202  * (128K blocks). It may be used instead of the (default) SPI flash
 203  * to boot, using TI's tools to install the secondary boot loader
 204  * (UBL) and U-Boot.
 205  */
 206 static struct mtd_partition da850_evm_nandflash_partition[] = {
 207         {
 208                 .name           = "u-boot env",
 209                 .offset         = 0,
 210                 .size           = SZ_128K,
 211                 .mask_flags     = MTD_WRITEABLE,
 212          },
 213         {
 214                 .name           = "UBL",
 215                 .offset         = MTDPART_OFS_APPEND,
 216                 .size           = SZ_128K,
 217                 .mask_flags     = MTD_WRITEABLE,
 218         },
 219         {
 220                 .name           = "u-boot",
 221                 .offset         = MTDPART_OFS_APPEND,
 222                 .size           = 4 * SZ_128K,
 223                 .mask_flags     = MTD_WRITEABLE,
 224         },
 225         {
 226                 .name           = "kernel",
 227                 .offset         = 0x200000,
 228                 .size           = SZ_2M,
 229                 .mask_flags     = 0,
 230         },
 231         {
 232                 .name           = "filesystem",
 233                 .offset         = MTDPART_OFS_APPEND,
 234                 .size           = MTDPART_SIZ_FULL,
 235                 .mask_flags     = 0,
 236         },
 237 };
 238
 239 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
 240         .wsetup         = 24,
 241         .wstrobe        = 21,
 242         .whold          = 14,
 243         .rsetup         = 19,
 244         .rstrobe        = 50,
 245         .rhold          = 0,
 246         .ta             = 20,
 247 };
 248
 249 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 250         .parts          = da850_evm_nandflash_partition,
 251         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 252         .ecc_mode       = NAND_ECC_HW,
 253         .ecc_bits       = 4,
 254         .options        = NAND_USE_FLASH_BBT,
 255         .timing         = &da850_evm_nandflash_timing,
 256 };
 257
 258 static struct resource da850_evm_nandflash_resource[] = {
 259         {
 260                 .start  = DA8XX_AEMIF_CS3_BASE,
 261                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 262                 .flags  = IORESOURCE_MEM,
 263         },
 264         {
 265                 .start  = DA8XX_AEMIF_CTL_BASE,
 266                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 267                 .flags  = IORESOURCE_MEM,
 268         },
 269 };
 270
 271 static struct platform_device da850_evm_nandflash_device = {
 272         .name           = "davinci_nand",
 273         .id             = 1,
 274         .dev            = {
 275                 .platform_data  = &da850_evm_nandflash_data,
 276         },
 277         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 278         .resource       = da850_evm_nandflash_resource,
 279 };
 280
 281 static struct platform_device *da850_evm_devices[] __initdata = {
 282         &da850_evm_nandflash_device,
 283         &da850_evm_norflash_device,
 284 };
 285
 286 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
 287 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
 288
 289 static void __init da850_evm_init_nor(void)
 290 {
 291         void __iomem *aemif_addr;
 292
 293         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
 294
 295         /* Configure data bus width of CS2 to 16 bit */
 296         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
 297                 DA8XX_AEMIF_ASIZE_16BIT,
 298                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
 299
 300         iounmap(aemif_addr);
 301 }
 302
 303 static const short da850_evm_nand_pins[] = {
 304         DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
 305         DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
 306         DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
 307         DA850_NEMA_WE, DA850_NEMA_OE,
 308         -1
 309 };
 310
 311 static const short da850_evm_nor_pins[] = {
 312         DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
 313         DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
 314         DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
 315         DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
 316         DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
 317         DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
 318         DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
 319         DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
 320         DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
 321         DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
 322         DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
 323         DA850_EMA_A_22, DA850_EMA_A_23,
 324         -1
 325 };
 326
 327 #if defined(CONFIG_MMC_DAVINCI) || \
 328     defined(CONFIG_MMC_DAVINCI_MODULE)
 329 #define HAS_MMC 1
 330 #else
 331 #define HAS_MMC 0
 332 #endif
 333
 334 static inline void da850_evm_setup_nor_nand(void)
 335 {
 336         int ret = 0;
 337
 338         if (!HAS_MMC) {
 339                 ret = davinci_cfg_reg_list(da850_evm_nand_pins);
 340                 if (ret)
 341                         pr_warning("da850_evm_init: nand mux setup failed: "
 342                                         "%d\n", ret);
 343
 344                 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
 345                 if (ret)
 346                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 347                                 ret);
 348
 349                 da850_evm_init_nor();
 350
 351                 platform_add_devices(da850_evm_devices,
 352                                         ARRAY_SIZE(da850_evm_devices));
 353         }
 354 }
 355
 356 #ifdef CONFIG_DA850_UI_RMII
 357 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
 358 {
 359         struct davinci_soc_info *soc_info = &davinci_soc_info;
 360
 361         soc_info->emac_pdata->rmii_en = 1;
 362         gpio_set_value_cansleep(rmii_sel, 0);
 363 }
 364 #else
 365 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
 366 #endif
 367
 368
 369 #define DA850_KEYS_DEBOUNCE_MS  10
 370 /*
 371  * At 200ms polling interval it is possible to miss an
 372  * event by tapping very lightly on the push button but most
 373  * pushes do result in an event; longer intervals require the
 374  * user to hold the button whereas shorter intervals require
 375  * more CPU time for polling.
 376  */
 377 #define DA850_GPIO_KEYS_POLL_MS 200
 378
 379 enum da850_evm_ui_exp_pins {
 380         DA850_EVM_UI_EXP_SEL_C = 5,
 381         DA850_EVM_UI_EXP_SEL_B,
 382         DA850_EVM_UI_EXP_SEL_A,
 383         DA850_EVM_UI_EXP_PB8,
 384         DA850_EVM_UI_EXP_PB7,
 385         DA850_EVM_UI_EXP_PB6,
 386         DA850_EVM_UI_EXP_PB5,
 387         DA850_EVM_UI_EXP_PB4,
 388         DA850_EVM_UI_EXP_PB3,
 389         DA850_EVM_UI_EXP_PB2,
 390         DA850_EVM_UI_EXP_PB1,
 391 };
 392
 393 static const char const *da850_evm_ui_exp[] = {
 394         [DA850_EVM_UI_EXP_SEL_C]        = "sel_c",
 395         [DA850_EVM_UI_EXP_SEL_B]        = "sel_b",
 396         [DA850_EVM_UI_EXP_SEL_A]        = "sel_a",
 397         [DA850_EVM_UI_EXP_PB8]          = "pb8",
 398         [DA850_EVM_UI_EXP_PB7]          = "pb7",
 399         [DA850_EVM_UI_EXP_PB6]          = "pb6",
 400         [DA850_EVM_UI_EXP_PB5]          = "pb5",
 401         [DA850_EVM_UI_EXP_PB4]          = "pb4",
 402         [DA850_EVM_UI_EXP_PB3]          = "pb3",
 403         [DA850_EVM_UI_EXP_PB2]          = "pb2",
 404         [DA850_EVM_UI_EXP_PB1]          = "pb1",
 405 };
 406
 407 #define DA850_N_UI_PB           8
 408
 409 static struct gpio_keys_button da850_evm_ui_keys[] = {
 410         [0 ... DA850_N_UI_PB - 1] = {
 411                 .type                   = EV_KEY,
 412                 .active_low             = 1,
 413                 .wakeup                 = 0,
 414                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 415                 .code                   = -1, /* assigned at runtime */
 416                 .gpio                   = -1, /* assigned at runtime */
 417                 .desc                   = NULL, /* assigned at runtime */
 418         },
 419 };
 420
 421 static struct gpio_keys_platform_data da850_evm_ui_keys_pdata = {
 422         .buttons = da850_evm_ui_keys,
 423         .nbuttons = ARRAY_SIZE(da850_evm_ui_keys),
 424         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 425 };
 426
 427 static struct platform_device da850_evm_ui_keys_device = {
 428         .name = "gpio-keys-polled",
 429         .id = 0,
 430         .dev = {
 431                 .platform_data = &da850_evm_ui_keys_pdata
 432         },
 433 };
 434
 435 static void da850_evm_ui_keys_init(unsigned gpio)
 436 {
 437         int i;
 438         struct gpio_keys_button *button;
 439
 440         for (i = 0; i < DA850_N_UI_PB; i++) {
 441                 button = &da850_evm_ui_keys[i];
 442                 button->code = KEY_F8 - i;
 443                 button->desc = (char *)
 444                                 da850_evm_ui_exp[DA850_EVM_UI_EXP_PB8 + i];
 445                 button->gpio = gpio + DA850_EVM_UI_EXP_PB8 + i;
 446         }
 447 }
 448
 449 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 450                                                 unsigned ngpio, void *c)
 451 {
 452         int sel_a, sel_b, sel_c, ret;
 453
 454         sel_a = gpio + DA850_EVM_UI_EXP_SEL_A;
 455         sel_b = gpio + DA850_EVM_UI_EXP_SEL_B;
 456         sel_c = gpio + DA850_EVM_UI_EXP_SEL_C;
 457
 458         ret = gpio_request(sel_a, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_A]);
 459         if (ret) {
 460                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
 461                 goto exp_setup_sela_fail;
 462         }
 463
 464         ret = gpio_request(sel_b, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_B]);
 465         if (ret) {
 466                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
 467                 goto exp_setup_selb_fail;
 468         }
 469
 470         ret = gpio_request(sel_c, da850_evm_ui_exp[DA850_EVM_UI_EXP_SEL_C]);
 471         if (ret) {
 472                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
 473                 goto exp_setup_selc_fail;
 474         }
 475
 476         /* deselect all functionalities */
 477         gpio_direction_output(sel_a, 1);
 478         gpio_direction_output(sel_b, 1);
 479         gpio_direction_output(sel_c, 1);
 480
 481         da850_evm_ui_keys_init(gpio);
 482         ret = platform_device_register(&da850_evm_ui_keys_device);
 483         if (ret) {
 484                 pr_warning("Could not register UI GPIO expander push-buttons");
 485                 goto exp_setup_keys_fail;
 486         }
 487
 488         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 489
 490         da850_evm_setup_nor_nand();
 491
 492         da850_evm_setup_emac_rmii(sel_a);
 493
 494         return 0;
 495
 496 exp_setup_keys_fail:
 497         gpio_free(sel_c);
 498 exp_setup_selc_fail:
 499         gpio_free(sel_b);
 500 exp_setup_selb_fail:
 501         gpio_free(sel_a);
 502 exp_setup_sela_fail:
 503         return ret;
 504 }
 505
 506 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 507                                         unsigned gpio, unsigned ngpio, void *c)
 508 {
 509         platform_device_unregister(&da850_evm_ui_keys_device);
 510
 511         /* deselect all functionalities */
 512         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_C, 1);
 513         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_B, 1);
 514         gpio_set_value_cansleep(gpio + DA850_EVM_UI_EXP_SEL_A, 1);
 515
 516         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_C);
 517         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_B);
 518         gpio_free(gpio + DA850_EVM_UI_EXP_SEL_A);
 519
 520         return 0;
 521 }
 522
 523 /* assign the baseboard expander's GPIOs after the UI board's */
 524 #define DA850_UI_EXPANDER_N_GPIOS ARRAY_SIZE(da850_evm_ui_exp)
 525 #define DA850_BB_EXPANDER_GPIO_BASE (DAVINCI_N_GPIO + DA850_UI_EXPANDER_N_GPIOS)
 526
 527 enum da850_evm_bb_exp_pins {
 528         DA850_EVM_BB_EXP_DEEP_SLEEP_EN = 0,
 529         DA850_EVM_BB_EXP_SW_RST,
 530         DA850_EVM_BB_EXP_TP_23,
 531         DA850_EVM_BB_EXP_TP_22,
 532         DA850_EVM_BB_EXP_TP_21,
 533         DA850_EVM_BB_EXP_USER_PB1,
 534         DA850_EVM_BB_EXP_USER_LED2,
 535         DA850_EVM_BB_EXP_USER_LED1,
 536         DA850_EVM_BB_EXP_USER_SW1,
 537         DA850_EVM_BB_EXP_USER_SW2,
 538         DA850_EVM_BB_EXP_USER_SW3,
 539         DA850_EVM_BB_EXP_USER_SW4,
 540         DA850_EVM_BB_EXP_USER_SW5,
 541         DA850_EVM_BB_EXP_USER_SW6,
 542         DA850_EVM_BB_EXP_USER_SW7,
 543         DA850_EVM_BB_EXP_USER_SW8
 544 };
 545
 546 static const char const *da850_evm_bb_exp[] = {
 547         [DA850_EVM_BB_EXP_DEEP_SLEEP_EN]        = "deep_sleep_en",
 548         [DA850_EVM_BB_EXP_SW_RST]               = "sw_rst",
 549         [DA850_EVM_BB_EXP_TP_23]                = "tp_23",
 550         [DA850_EVM_BB_EXP_TP_22]                = "tp_22",
 551         [DA850_EVM_BB_EXP_TP_21]                = "tp_21",
 552         [DA850_EVM_BB_EXP_USER_PB1]             = "user_pb1",
 553         [DA850_EVM_BB_EXP_USER_LED2]            = "user_led2",
 554         [DA850_EVM_BB_EXP_USER_LED1]            = "user_led1",
 555         [DA850_EVM_BB_EXP_USER_SW1]             = "user_sw1",
 556         [DA850_EVM_BB_EXP_USER_SW2]             = "user_sw2",
 557         [DA850_EVM_BB_EXP_USER_SW3]             = "user_sw3",
 558         [DA850_EVM_BB_EXP_USER_SW4]             = "user_sw4",
 559         [DA850_EVM_BB_EXP_USER_SW5]             = "user_sw5",
 560         [DA850_EVM_BB_EXP_USER_SW6]             = "user_sw6",
 561         [DA850_EVM_BB_EXP_USER_SW7]             = "user_sw7",
 562         [DA850_EVM_BB_EXP_USER_SW8]             = "user_sw8",
 563 };
 564
 565 #define DA850_N_BB_USER_SW      8
 566
 567 static struct gpio_keys_button da850_evm_bb_keys[] = {
 568         [0] = {
 569                 .type                   = EV_KEY,
 570                 .active_low             = 1,
 571                 .wakeup                 = 0,
 572                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 573                 .code                   = KEY_PROG1,
 574                 .desc                   = NULL, /* assigned at runtime */
 575                 .gpio                   = -1, /* assigned at runtime */
 576         },
 577         [1 ... DA850_N_BB_USER_SW] = {
 578                 .type                   = EV_SW,
 579                 .active_low             = 1,
 580                 .wakeup                 = 0,
 581                 .debounce_interval      = DA850_KEYS_DEBOUNCE_MS,
 582                 .code                   = -1, /* assigned at runtime */
 583                 .desc                   = NULL, /* assigned at runtime */
 584                 .gpio                   = -1, /* assigned at runtime */
 585         },
 586 };
 587
 588 static struct gpio_keys_platform_data da850_evm_bb_keys_pdata = {
 589         .buttons = da850_evm_bb_keys,
 590         .nbuttons = ARRAY_SIZE(da850_evm_bb_keys),
 591         .poll_interval = DA850_GPIO_KEYS_POLL_MS,
 592 };
 593
 594 static struct platform_device da850_evm_bb_keys_device = {
 595         .name = "gpio-keys-polled",
 596         .id = 1,
 597         .dev = {
 598                 .platform_data = &da850_evm_bb_keys_pdata
 599         },
 600 };
 601
 602 static void da850_evm_bb_keys_init(unsigned gpio)
 603 {
 604         int i;
 605         struct gpio_keys_button *button;
 606
 607         button = &da850_evm_bb_keys[0];
 608         button->desc = (char *)
 609                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_PB1];
 610         button->gpio = gpio + DA850_EVM_BB_EXP_USER_PB1;
 611
 612         for (i = 0; i < DA850_N_BB_USER_SW; i++) {
 613                 button = &da850_evm_bb_keys[i + 1];
 614                 button->code = SW_LID + i;
 615                 button->desc = (char *)
 616                                 da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_SW1 + i];
 617                 button->gpio = gpio + DA850_EVM_BB_EXP_USER_SW1 + i;
 618         }
 619 }
 620
 621 #define DA850_N_BB_USER_LED     2
 622
 623 static struct gpio_led da850_evm_bb_leds[] = {
 624         [0 ... DA850_N_BB_USER_LED - 1] = {
 625                 .active_low = 1,
 626                 .gpio = -1, /* assigned at runtime */
 627                 .name = NULL, /* assigned at runtime */
 628         },
 629 };
 630
 631 static struct gpio_led_platform_data da850_evm_bb_leds_pdata = {
 632         .leds = da850_evm_bb_leds,
 633         .num_leds = ARRAY_SIZE(da850_evm_bb_leds),
 634 };
 635
 636 static struct platform_device da850_evm_bb_leds_device = {
 637         .name           = "leds-gpio",
 638         .id             = -1,
 639         .dev = {
 640                 .platform_data = &da850_evm_bb_leds_pdata
 641         }
 642 };
 643
 644 static void da850_evm_bb_leds_init(unsigned gpio)
 645 {
 646         int i;
 647         struct gpio_led *led;
 648
 649         for (i = 0; i < DA850_N_BB_USER_LED; i++) {
 650                 led = &da850_evm_bb_leds[i];
 651
 652                 led->gpio = gpio + DA850_EVM_BB_EXP_USER_LED2 + i;
 653                 led->name =
 654                         da850_evm_bb_exp[DA850_EVM_BB_EXP_USER_LED2 + i];
 655         }
 656 }
 657
 658 static int da850_evm_bb_expander_setup(struct i2c_client *client,
 659                                                 unsigned gpio, unsigned ngpio,
 660                                                 void *c)
 661 {
 662         int ret;
 663
 664         /*
 665          * Register the switches and pushbutton on the baseboard as a gpio-keys
 666          * device.
 667          */
 668         da850_evm_bb_keys_init(gpio);
 669         ret = platform_device_register(&da850_evm_bb_keys_device);
 670         if (ret) {
 671                 pr_warning("Could not register baseboard GPIO expander keys");
 672                 goto io_exp_setup_sw_fail;
 673         }
 674
 675         da850_evm_bb_leds_init(gpio);
 676         ret = platform_device_register(&da850_evm_bb_leds_device);
 677         if (ret) {
 678                 pr_warning("Could not register baseboard GPIO expander LEDS");
 679                 goto io_exp_setup_leds_fail;
 680         }
 681
 682         return 0;
 683
 684 io_exp_setup_leds_fail:
 685         platform_device_unregister(&da850_evm_bb_keys_device);
 686 io_exp_setup_sw_fail:
 687         return ret;
 688 }
 689
 690 static int da850_evm_bb_expander_teardown(struct i2c_client *client,
 691                                         unsigned gpio, unsigned ngpio, void *c)
 692 {
 693         platform_device_unregister(&da850_evm_bb_leds_device);
 694         platform_device_unregister(&da850_evm_bb_keys_device);
 695
 696         return 0;
 697 }
 698
 699 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 700         .gpio_base      = DAVINCI_N_GPIO,
 701         .setup          = da850_evm_ui_expander_setup,
 702         .teardown       = da850_evm_ui_expander_teardown,
 703         .names          = da850_evm_ui_exp,
 704 };
 705
 706 static struct pca953x_platform_data da850_evm_bb_expander_info = {
 707         .gpio_base      = DA850_BB_EXPANDER_GPIO_BASE,
 708         .setup          = da850_evm_bb_expander_setup,
 709         .teardown       = da850_evm_bb_expander_teardown,
 710         .names          = da850_evm_bb_exp,
 711 };
 712
 713 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 714         {
 715                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 716         },
 717         {
 718                 I2C_BOARD_INFO("tca6416", 0x20),
 719                 .platform_data = &da850_evm_ui_expander_info,
 720         },
 721         {
 722                 I2C_BOARD_INFO("tca6416", 0x21),
 723                 .platform_data = &da850_evm_bb_expander_info,
 724         },
 725 };
 726
 727 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 728         .bus_freq       = 100,  /* kHz */
 729         .bus_delay      = 0,    /* usec */
 730 };
 731
 732 static struct davinci_uart_config da850_evm_uart_config __initdata = {
 733         .enabled_uarts = 0x7,
 734 };
 735
 736 /* davinci da850 evm audio machine driver */
 737 static u8 da850_iis_serializer_direction[] = {
 738         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 739         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 740         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 741         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 742 };
 743
 744 static struct snd_platform_data da850_evm_snd_data = {
 745         .tx_dma_offset  = 0x2000,
 746         .rx_dma_offset  = 0x2000,
 747         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 748         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
 749         .tdm_slots      = 2,
 750         .serial_dir     = da850_iis_serializer_direction,
 751         .asp_chan_q     = EVENTQ_1,
 752         .version        = MCASP_VERSION_2,
 753         .txnumevt       = 1,
 754         .rxnumevt       = 1,
 755 };
 756
 757 static const short da850_evm_mcasp_pins[] __initconst = {
 758         DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
 759         DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
 760         DA850_AXR_11, DA850_AXR_12,
 761         -1
 762 };
 763
 764 static int da850_evm_mmc_get_ro(int index)
 765 {
 766         return gpio_get_value(DA850_MMCSD_WP_PIN);
 767 }
 768
 769 static int da850_evm_mmc_get_cd(int index)
 770 {
 771         return !gpio_get_value(DA850_MMCSD_CD_PIN);
 772 }
 773
 774 static struct davinci_mmc_config da850_mmc_config = {
 775         .get_ro         = da850_evm_mmc_get_ro,
 776         .get_cd         = da850_evm_mmc_get_cd,
 777         .wires          = 4,
 778         .max_freq       = 50000000,
 779         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 780         .version        = MMC_CTLR_VERSION_2,
 781 };
 782
 783 static const short da850_evm_mmcsd0_pins[] __initconst = {
 784         DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
 785         DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
 786         DA850_GPIO4_0, DA850_GPIO4_1,
 787         -1
 788 };
 789
 790 static void da850_panel_power_ctrl(int val)
 791 {
 792         /* lcd backlight */
 793         gpio_set_value(DA850_LCD_BL_PIN, val);
 794
 795         /* lcd power */
 796         gpio_set_value(DA850_LCD_PWR_PIN, val);
 797 }
 798
 799 static int da850_lcd_hw_init(void)
 800 {
 801         int status;
 802
 803         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 804         if (status < 0)
 805                 return status;
 806
 807         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 808         if (status < 0) {
 809                 gpio_free(DA850_LCD_BL_PIN);
 810                 return status;
 811         }
 812
 813         gpio_direction_output(DA850_LCD_BL_PIN, 0);
 814         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 815
 816         /* Switch off panel power and backlight */
 817         da850_panel_power_ctrl(0);
 818
 819         /* Switch on panel power and backlight */
 820         da850_panel_power_ctrl(1);
 821
 822         return 0;
 823 }
 824
 825 /* TPS65070 voltage regulator support */
 826
 827 /* 3.3V */
 828 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 829         {
 830                 .supply = "usb0_vdda33",
 831         },
 832         {
 833                 .supply = "usb1_vdda33",
 834         },
 835 };
 836
 837 /* 3.3V or 1.8V */
 838 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 839         {
 840                 .supply = "dvdd3318_a",
 841         },
 842         {
 843                 .supply = "dvdd3318_b",
 844         },
 845         {
 846                 .supply = "dvdd3318_c",
 847         },
 848 };
 849
 850 /* 1.2V */
 851 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 852         {
 853                 .supply = "cvdd",
 854         },
 855 };
 856
 857 /* 1.8V LDO */
 858 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 859         {
 860                 .supply = "sata_vddr",
 861         },
 862         {
 863                 .supply = "usb0_vdda18",
 864         },
 865         {
 866                 .supply = "usb1_vdda18",
 867         },
 868         {
 869                 .supply = "ddr_dvdd18",
 870         },
 871 };
 872
 873 /* 1.2V LDO */
 874 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 875         {
 876                 .supply = "sata_vdd",
 877         },
 878         {
 879                 .supply = "pll0_vdda",
 880         },
 881         {
 882                 .supply = "pll1_vdda",
 883         },
 884         {
 885                 .supply = "usbs_cvdd",
 886         },
 887         {
 888                 .supply = "vddarnwa1",
 889         },
 890 };
 891
 892 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
 893 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
 894         .defdcdc_default = true,
 895 };
 896
 897 static struct regulator_init_data tps65070_regulator_data[] = {
 898         /* dcdc1 */
 899         {
 900                 .constraints = {
 901                         .min_uV = 3150000,
 902                         .max_uV = 3450000,
 903                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 904                                 REGULATOR_CHANGE_STATUS),
 905                         .boot_on = 1,
 906                 },
 907                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 908                 .consumer_supplies = tps65070_dcdc1_consumers,
 909         },
 910
 911         /* dcdc2 */
 912         {
 913                 .constraints = {
 914                         .min_uV = 1710000,
 915                         .max_uV = 3450000,
 916                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 917                                 REGULATOR_CHANGE_STATUS),
 918                         .boot_on = 1,
 919                 },
 920                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 921                 .consumer_supplies = tps65070_dcdc2_consumers,
 922                 .driver_data = &tps6507x_platform_data,
 923         },
 924
 925         /* dcdc3 */
 926         {
 927                 .constraints = {
 928                         .min_uV = 950000,
 929                         .max_uV = 1350000,
 930                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 931                                 REGULATOR_CHANGE_STATUS),
 932                         .boot_on = 1,
 933                 },
 934                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 935                 .consumer_supplies = tps65070_dcdc3_consumers,
 936                 .driver_data = &tps6507x_platform_data,
 937         },
 938
 939         /* ldo1 */
 940         {
 941                 .constraints = {
 942                         .min_uV = 1710000,
 943                         .max_uV = 1890000,
 944                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 945                                 REGULATOR_CHANGE_STATUS),
 946                         .boot_on = 1,
 947                 },
 948                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 949                 .consumer_supplies = tps65070_ldo1_consumers,
 950         },
 951
 952         /* ldo2 */
 953         {
 954                 .constraints = {
 955                         .min_uV = 1140000,
 956                         .max_uV = 1320000,
 957                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 958                                 REGULATOR_CHANGE_STATUS),
 959                         .boot_on = 1,
 960                 },
 961                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 962                 .consumer_supplies = tps65070_ldo2_consumers,
 963         },
 964 };
 965
 966 static struct touchscreen_init_data tps6507x_touchscreen_data = {
 967         .poll_period =  30,     /* ms between touch samples */
 968         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
 969         .vref = 0,              /* turn off vref when not using A/D */
 970         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
 971         .product = 65070,       /* /sys/class/input/input?/id/product */
 972         .version = 0x100,       /* /sys/class/input/input?/id/version */
 973 };
 974
 975 static struct tps6507x_board tps_board = {
 976         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
 977         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
 978 };
 979
 980 static struct i2c_board_info __initdata da850_evm_tps65070_info[] = {
 981         {
 982                 I2C_BOARD_INFO("tps6507x", 0x48),
 983                 .platform_data = &tps_board,
 984         },
 985 };
 986
 987 static int __init pmic_tps65070_init(void)
 988 {
 989         return i2c_register_board_info(1, da850_evm_tps65070_info,
 990                                         ARRAY_SIZE(da850_evm_tps65070_info));
 991 }
 992
 993 static const short da850_evm_lcdc_pins[] = {
 994         DA850_GPIO2_8, DA850_GPIO2_15,
 995         -1
 996 };
 997
 998 static const short da850_evm_mii_pins[] = {
 999         DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
1000         DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
1001         DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
1002         DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
1003         DA850_MDIO_D,
1004         -1
1005 };
1006
1007 static const short da850_evm_rmii_pins[] = {
1008         DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
1009         DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
1010         DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
1011         DA850_MDIO_D,
1012         -1
1013 };
1014
1015 static int __init da850_evm_config_emac(void)
1016 {
1017         void __iomem *cfg_chip3_base;
1018         int ret;
1019         u32 val;
1020         struct davinci_soc_info *soc_info = &davinci_soc_info;
1021         u8 rmii_en = soc_info->emac_pdata->rmii_en;
1022
1023         if (!machine_is_davinci_da850_evm())
1024                 return 0;
1025
1026         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
1027
1028         val = __raw_readl(cfg_chip3_base);
1029
1030         if (rmii_en) {
1031                 val |= BIT(8);
1032                 ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
1033                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
1034                                                         " functional\n");
1035         } else {
1036                 val &= ~BIT(8);
1037                 ret = davinci_cfg_reg_list(da850_evm_mii_pins);
1038                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
1039                                                         " functional\n");
1040         }
1041
1042         if (ret)
1043                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
1044                                 ret);
1045
1046         /* configure the CFGCHIP3 register for RMII or MII */
1047         __raw_writel(val, cfg_chip3_base);
1048
1049         ret = davinci_cfg_reg(DA850_GPIO2_6);
1050         if (ret)
1051                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
1052                                                         "failed\n");
1053
1054         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
1055         if (ret) {
1056                 pr_warning("Cannot open GPIO %d\n",
1057                                         DA850_MII_MDIO_CLKEN_PIN);
1058                 return ret;
1059         }
1060
1061         /* Enable/Disable MII MDIO clock */
1062         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
1063
1064         soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
1065
1066         ret = da8xx_register_emac();
1067         if (ret)
1068                 pr_warning("da850_evm_init: emac registration failed: %d\n",
1069                                 ret);
1070
1071         return 0;
1072 }
1073 device_initcall(da850_evm_config_emac);
1074
1075 /*
1076  * The following EDMA channels/slots are not being used by drivers (for
1077  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
1078  * they are being reserved for codecs on the DSP side.
1079  */
1080 static const s16 da850_dma0_rsv_chans[][2] = {
1081         /* (offset, number) */
1082         { 8,  6},
1083         {24,  4},
1084         {30,  2},
1085         {-1, -1}
1086 };
1087
1088 static const s16 da850_dma0_rsv_slots[][2] = {
1089         /* (offset, number) */
1090         { 8,  6},
1091         {24,  4},
1092         {30, 50},
1093         {-1, -1}
1094 };
1095
1096 static const s16 da850_dma1_rsv_chans[][2] = {
1097         /* (offset, number) */
1098         { 0, 28},
1099         {30,  2},
1100         {-1, -1}
1101 };
1102
1103 static const s16 da850_dma1_rsv_slots[][2] = {
1104         /* (offset, number) */
1105         { 0, 28},
1106         {30, 90},
1107         {-1, -1}
1108 };
1109
1110 static struct edma_rsv_info da850_edma_cc0_rsv = {
1111         .rsv_chans      = da850_dma0_rsv_chans,
1112         .rsv_slots      = da850_dma0_rsv_slots,
1113 };
1114
1115 static struct edma_rsv_info da850_edma_cc1_rsv = {
1116         .rsv_chans      = da850_dma1_rsv_chans,
1117         .rsv_slots      = da850_dma1_rsv_slots,
1118 };
1119
1120 static struct edma_rsv_info *da850_edma_rsv[2] = {
1121         &da850_edma_cc0_rsv,
1122         &da850_edma_cc1_rsv,
1123 };
1124
1125 #ifdef CONFIG_CPU_FREQ
1126 static __init int da850_evm_init_cpufreq(void)
1127 {
1128         switch (system_rev & 0xF) {
1129         case 3:
1130                 da850_max_speed = 456000;
1131                 break;
1132         case 2:
1133                 da850_max_speed = 408000;
1134                 break;
1135         case 1:
1136                 da850_max_speed = 372000;
1137                 break;
1138         }
1139
1140         return da850_register_cpufreq("pll0_sysclk3");
1141 }
1142 #else
1143 static __init int da850_evm_init_cpufreq(void) { return 0; }
1144 #endif
1145
1146 #define DA850EVM_SATA_REFCLKPN_RATE     (100 * 1000 * 1000)
1147
1148 static __init void da850_evm_init(void)
1149 {
1150         int ret;
1151
1152         ret = pmic_tps65070_init();
1153         if (ret)
1154                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
1155                                 ret);
1156
1157         ret = da850_register_edma(da850_edma_rsv);
1158         if (ret)
1159                 pr_warning("da850_evm_init: edma registration failed: %d\n",
1160                                 ret);
1161
1162         ret = davinci_cfg_reg_list(da850_i2c0_pins);
1163         if (ret)
1164                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
1165                                 ret);
1166
1167         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
1168         if (ret)
1169                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
1170                                 ret);
1171
1172
1173         ret = da8xx_register_watchdog();
1174         if (ret)
1175                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
1176                                 ret);
1177
1178         if (HAS_MMC) {
1179                 ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
1180                 if (ret)
1181                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
1182                                         " %d\n", ret);
1183
1184                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
1185                 if (ret)
1186                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1187                                         DA850_MMCSD_CD_PIN);
1188                 gpio_direction_input(DA850_MMCSD_CD_PIN);
1189
1190                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
1191                 if (ret)
1192                         pr_warning("da850_evm_init: can not open GPIO %d\n",
1193                                         DA850_MMCSD_WP_PIN);
1194                 gpio_direction_input(DA850_MMCSD_WP_PIN);
1195
1196                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
1197                 if (ret)
1198                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
1199                                         " %d\n", ret);
1200         }
1201
1202         davinci_serial_init(&da850_evm_uart_config);
1203
1204         i2c_register_board_info(1, da850_evm_i2c_devices,
1205                         ARRAY_SIZE(da850_evm_i2c_devices));
1206
1207         /*
1208          * shut down uart 0 and 1; they are not used on the board and
1209          * accessing them causes endless "too much work in irq53" messages
1210          * with arago fs
1211          */
1212         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
1213         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
1214
1215         ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
1216         if (ret)
1217                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
1218                                 ret);
1219
1220         da8xx_register_mcasp(0, &da850_evm_snd_data);
1221
1222         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
1223         if (ret)
1224                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
1225                                 ret);
1226
1227         /* Handle board specific muxing for LCD here */
1228         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
1229         if (ret)
1230                 pr_warning("da850_evm_init: evm specific lcd mux setup "
1231                                 "failed: %d\n", ret);
1232
1233         ret = da850_lcd_hw_init();
1234         if (ret)
1235                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
1236                                 ret);
1237
1238         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
1239         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
1240         if (ret)
1241                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
1242                                 ret);
1243
1244         ret = da8xx_register_rtc();
1245         if (ret)
1246                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
1247
1248         ret = da850_evm_init_cpufreq();
1249         if (ret)
1250                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
1251                                 ret);
1252
1253         ret = da8xx_register_cpuidle();
1254         if (ret)
1255                 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
1256                                 ret);
1257
1258         ret = da850_register_pm(&da850_pm_device);
1259         if (ret)
1260                 pr_warning("da850_evm_init: suspend registration failed: %d\n",
1261                                 ret);
1262
1263         ret = da8xx_register_spi(1, da850evm_spi_info,
1264                                  ARRAY_SIZE(da850evm_spi_info));
1265         if (ret)
1266                 pr_warning("da850_evm_init: spi 1 registration failed: %d\n",
1267                                 ret);
1268
1269         ret = da850_register_sata(DA850EVM_SATA_REFCLKPN_RATE);
1270         if (ret)
1271                 pr_warning("da850_evm_init: sata registration failed: %d\n",
1272                                 ret);
1273
1274         da850_evm_setup_mac_addr();
1275 }
1276
1277 #ifdef CONFIG_SERIAL_8250_CONSOLE
1278 static int __init da850_evm_console_init(void)
1279 {
1280         if (!machine_is_davinci_da850_evm())
1281                 return 0;
1282
1283         return add_preferred_console("ttyS", 2, "115200");
1284 }
1285 console_initcall(da850_evm_console_init);
1286 #endif
1287
1288 static void __init da850_evm_map_io(void)
1289 {
1290         da850_init();
1291 }
1292
1293 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
1294         .boot_params    = (DA8XX_DDR_BASE + 0x100),
1295         .map_io         = da850_evm_map_io,
1296         .init_irq       = cp_intc_init,
1297         .timer          = &davinci_timer,
1298         .init_machine   = da850_evm_init,
1299         .dma_zone_size  = SZ_128M,
1300 MACHINE_END