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