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/mfd/tps6507x.h>
  21 #include <linux/gpio.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/nand.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/mtd/physmap.h>
  27 #include <linux/regulator/machine.h>
  28 #include <linux/mfd/tps6507x.h>
  29 #include <linux/input/tps6507x-ts.h>
  30
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33
  34 #include <mach/cp_intc.h>
  35 #include <mach/da8xx.h>
  36 #include <mach/nand.h>
  37 #include <mach/mux.h>
  38
  39 #define DA850_EVM_PHY_MASK              0x1
  40 #define DA850_EVM_MDIO_FREQUENCY        2200000 /* PHY bus frequency */
  41
  42 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
  43 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
  44
  45 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
  46 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
  47
  48 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
  49
  50 static struct mtd_partition da850_evm_norflash_partition[] = {
  51         {
  52                 .name           = "bootloaders + env",
  53                 .offset         = 0,
  54                 .size           = SZ_512K,
  55                 .mask_flags     = MTD_WRITEABLE,
  56         },
  57         {
  58                 .name           = "kernel",
  59                 .offset         = MTDPART_OFS_APPEND,
  60                 .size           = SZ_2M,
  61                 .mask_flags     = 0,
  62         },
  63         {
  64                 .name           = "filesystem",
  65                 .offset         = MTDPART_OFS_APPEND,
  66                 .size           = MTDPART_SIZ_FULL,
  67                 .mask_flags     = 0,
  68         },
  69 };
  70
  71 static struct physmap_flash_data da850_evm_norflash_data = {
  72         .width          = 2,
  73         .parts          = da850_evm_norflash_partition,
  74         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
  75 };
  76
  77 static struct resource da850_evm_norflash_resource[] = {
  78         {
  79                 .start  = DA8XX_AEMIF_CS2_BASE,
  80                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
  81                 .flags  = IORESOURCE_MEM,
  82         },
  83 };
  84
  85 static struct platform_device da850_evm_norflash_device = {
  86         .name           = "physmap-flash",
  87         .id             = 0,
  88         .dev            = {
  89                 .platform_data  = &da850_evm_norflash_data,
  90         },
  91         .num_resources  = 1,
  92         .resource       = da850_evm_norflash_resource,
  93 };
  94
  95 static struct davinci_pm_config da850_pm_pdata = {
  96         .sleepcount = 128,
  97 };
  98
  99 static struct platform_device da850_pm_device = {
 100         .name           = "pm-davinci",
 101         .dev = {
 102                 .platform_data  = &da850_pm_pdata,
 103         },
 104         .id             = -1,
 105 };
 106
 107 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
 108  * (128K blocks). It may be used instead of the (default) SPI flash
 109  * to boot, using TI's tools to install the secondary boot loader
 110  * (UBL) and U-Boot.
 111  */
 112 struct mtd_partition da850_evm_nandflash_partition[] = {
 113         {
 114                 .name           = "u-boot env",
 115                 .offset         = 0,
 116                 .size           = SZ_128K,
 117                 .mask_flags     = MTD_WRITEABLE,
 118          },
 119         {
 120                 .name           = "UBL",
 121                 .offset         = MTDPART_OFS_APPEND,
 122                 .size           = SZ_128K,
 123                 .mask_flags     = MTD_WRITEABLE,
 124         },
 125         {
 126                 .name           = "u-boot",
 127                 .offset         = MTDPART_OFS_APPEND,
 128                 .size           = 4 * SZ_128K,
 129                 .mask_flags     = MTD_WRITEABLE,
 130         },
 131         {
 132                 .name           = "kernel",
 133                 .offset         = 0x200000,
 134                 .size           = SZ_2M,
 135                 .mask_flags     = 0,
 136         },
 137         {
 138                 .name           = "filesystem",
 139                 .offset         = MTDPART_OFS_APPEND,
 140                 .size           = MTDPART_SIZ_FULL,
 141                 .mask_flags     = 0,
 142         },
 143 };
 144
 145 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 146         .parts          = da850_evm_nandflash_partition,
 147         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 148         .ecc_mode       = NAND_ECC_HW,
 149         .ecc_bits       = 4,
 150         .options        = NAND_USE_FLASH_BBT,
 151 };
 152
 153 static struct resource da850_evm_nandflash_resource[] = {
 154         {
 155                 .start  = DA8XX_AEMIF_CS3_BASE,
 156                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 157                 .flags  = IORESOURCE_MEM,
 158         },
 159         {
 160                 .start  = DA8XX_AEMIF_CTL_BASE,
 161                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 162                 .flags  = IORESOURCE_MEM,
 163         },
 164 };
 165
 166 static struct platform_device da850_evm_nandflash_device = {
 167         .name           = "davinci_nand",
 168         .id             = 1,
 169         .dev            = {
 170                 .platform_data  = &da850_evm_nandflash_data,
 171         },
 172         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 173         .resource       = da850_evm_nandflash_resource,
 174 };
 175
 176 static struct platform_device *da850_evm_devices[] __initdata = {
 177         &da850_evm_nandflash_device,
 178         &da850_evm_norflash_device,
 179 };
 180
 181 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
 182 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
 183
 184 static void __init da850_evm_init_nor(void)
 185 {
 186         void __iomem *aemif_addr;
 187
 188         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
 189
 190         /* Configure data bus width of CS2 to 16 bit */
 191         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
 192                 DA8XX_AEMIF_ASIZE_16BIT,
 193                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
 194
 195         iounmap(aemif_addr);
 196 }
 197
 198 static u32 ui_card_detected;
 199
 200 #if defined(CONFIG_MMC_DAVINCI) || \
 201     defined(CONFIG_MMC_DAVINCI_MODULE)
 202 #define HAS_MMC 1
 203 #else
 204 #define HAS_MMC 0
 205 #endif
 206
 207 static __init void da850_evm_setup_nor_nand(void)
 208 {
 209         int ret = 0;
 210
 211         if (ui_card_detected & !HAS_MMC) {
 212                 ret = davinci_cfg_reg_list(da850_nand_pins);
 213                 if (ret)
 214                         pr_warning("da850_evm_init: nand mux setup failed: "
 215                                         "%d\n", ret);
 216
 217                 ret = davinci_cfg_reg_list(da850_nor_pins);
 218                 if (ret)
 219                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 220                                 ret);
 221
 222                 da850_evm_init_nor();
 223
 224                 platform_add_devices(da850_evm_devices,
 225                                         ARRAY_SIZE(da850_evm_devices));
 226         }
 227 }
 228
 229 #ifdef CONFIG_DA850_UI_RMII
 230 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
 231 {
 232         struct davinci_soc_info *soc_info = &davinci_soc_info;
 233
 234         soc_info->emac_pdata->rmii_en = 1;
 235         gpio_set_value(rmii_sel, 0);
 236 }
 237 #else
 238 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
 239 #endif
 240
 241 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 242                                                 unsigned ngpio, void *c)
 243 {
 244         int sel_a, sel_b, sel_c, ret;
 245
 246         sel_a = gpio + 7;
 247         sel_b = gpio + 6;
 248         sel_c = gpio + 5;
 249
 250         ret = gpio_request(sel_a, "sel_a");
 251         if (ret) {
 252                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
 253                 goto exp_setup_sela_fail;
 254         }
 255
 256         ret = gpio_request(sel_b, "sel_b");
 257         if (ret) {
 258                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
 259                 goto exp_setup_selb_fail;
 260         }
 261
 262         ret = gpio_request(sel_c, "sel_c");
 263         if (ret) {
 264                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
 265                 goto exp_setup_selc_fail;
 266         }
 267
 268         /* deselect all functionalities */
 269         gpio_direction_output(sel_a, 1);
 270         gpio_direction_output(sel_b, 1);
 271         gpio_direction_output(sel_c, 1);
 272
 273         ui_card_detected = 1;
 274         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 275
 276         da850_evm_setup_nor_nand();
 277
 278         da850_evm_setup_emac_rmii(sel_a);
 279
 280         return 0;
 281
 282 exp_setup_selc_fail:
 283         gpio_free(sel_b);
 284 exp_setup_selb_fail:
 285         gpio_free(sel_a);
 286 exp_setup_sela_fail:
 287         return ret;
 288 }
 289
 290 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 291                                         unsigned gpio, unsigned ngpio, void *c)
 292 {
 293         /* deselect all functionalities */
 294         gpio_set_value(gpio + 5, 1);
 295         gpio_set_value(gpio + 6, 1);
 296         gpio_set_value(gpio + 7, 1);
 297
 298         gpio_free(gpio + 5);
 299         gpio_free(gpio + 6);
 300         gpio_free(gpio + 7);
 301
 302         return 0;
 303 }
 304
 305 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 306         .gpio_base      = DAVINCI_N_GPIO,
 307         .setup          = da850_evm_ui_expander_setup,
 308         .teardown       = da850_evm_ui_expander_teardown,
 309 };
 310
 311 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 312         {
 313                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 314         },
 315         {
 316                 I2C_BOARD_INFO("tca6416", 0x20),
 317                 .platform_data = &da850_evm_ui_expander_info,
 318         },
 319 };
 320
 321 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 322         .bus_freq       = 100,  /* kHz */
 323         .bus_delay      = 0,    /* usec */
 324 };
 325
 326 static struct davinci_uart_config da850_evm_uart_config __initdata = {
 327         .enabled_uarts = 0x7,
 328 };
 329
 330 /* davinci da850 evm audio machine driver */
 331 static u8 da850_iis_serializer_direction[] = {
 332         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 333         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 334         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 335         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 336 };
 337
 338 static struct snd_platform_data da850_evm_snd_data = {
 339         .tx_dma_offset  = 0x2000,
 340         .rx_dma_offset  = 0x2000,
 341         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 342         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
 343         .tdm_slots      = 2,
 344         .serial_dir     = da850_iis_serializer_direction,
 345         .eventq_no      = EVENTQ_1,
 346         .version        = MCASP_VERSION_2,
 347         .txnumevt       = 1,
 348         .rxnumevt       = 1,
 349 };
 350
 351 static int da850_evm_mmc_get_ro(int index)
 352 {
 353         return gpio_get_value(DA850_MMCSD_WP_PIN);
 354 }
 355
 356 static int da850_evm_mmc_get_cd(int index)
 357 {
 358         return !gpio_get_value(DA850_MMCSD_CD_PIN);
 359 }
 360
 361 static struct davinci_mmc_config da850_mmc_config = {
 362         .get_ro         = da850_evm_mmc_get_ro,
 363         .get_cd         = da850_evm_mmc_get_cd,
 364         .wires          = 4,
 365         .max_freq       = 50000000,
 366         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 367         .version        = MMC_CTLR_VERSION_2,
 368 };
 369
 370 static void da850_panel_power_ctrl(int val)
 371 {
 372         /* lcd backlight */
 373         gpio_set_value(DA850_LCD_BL_PIN, val);
 374
 375         /* lcd power */
 376         gpio_set_value(DA850_LCD_PWR_PIN, val);
 377 }
 378
 379 static int da850_lcd_hw_init(void)
 380 {
 381         int status;
 382
 383         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 384         if (status < 0)
 385                 return status;
 386
 387         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 388         if (status < 0) {
 389                 gpio_free(DA850_LCD_BL_PIN);
 390                 return status;
 391         }
 392
 393         gpio_direction_output(DA850_LCD_BL_PIN, 0);
 394         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 395
 396         /* Switch off panel power and backlight */
 397         da850_panel_power_ctrl(0);
 398
 399         /* Switch on panel power and backlight */
 400         da850_panel_power_ctrl(1);
 401
 402         return 0;
 403 }
 404
 405 /* TPS65070 voltage regulator support */
 406
 407 /* 3.3V */
 408 struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 409         {
 410                 .supply = "usb0_vdda33",
 411         },
 412         {
 413                 .supply = "usb1_vdda33",
 414         },
 415 };
 416
 417 /* 3.3V or 1.8V */
 418 struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 419         {
 420                 .supply = "dvdd3318_a",
 421         },
 422         {
 423                 .supply = "dvdd3318_b",
 424         },
 425         {
 426                 .supply = "dvdd3318_c",
 427         },
 428 };
 429
 430 /* 1.2V */
 431 struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 432         {
 433                 .supply = "cvdd",
 434         },
 435 };
 436
 437 /* 1.8V LDO */
 438 struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 439         {
 440                 .supply = "sata_vddr",
 441         },
 442         {
 443                 .supply = "usb0_vdda18",
 444         },
 445         {
 446                 .supply = "usb1_vdda18",
 447         },
 448         {
 449                 .supply = "ddr_dvdd18",
 450         },
 451 };
 452
 453 /* 1.2V LDO */
 454 struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 455         {
 456                 .supply = "sata_vdd",
 457         },
 458         {
 459                 .supply = "pll0_vdda",
 460         },
 461         {
 462                 .supply = "pll1_vdda",
 463         },
 464         {
 465                 .supply = "usbs_cvdd",
 466         },
 467         {
 468                 .supply = "vddarnwa1",
 469         },
 470 };
 471
 472 struct regulator_init_data tps65070_regulator_data[] = {
 473         /* dcdc1 */
 474         {
 475                 .constraints = {
 476                         .min_uV = 3150000,
 477                         .max_uV = 3450000,
 478                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 479                                 REGULATOR_CHANGE_STATUS),
 480                         .boot_on = 1,
 481                 },
 482                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 483                 .consumer_supplies = tps65070_dcdc1_consumers,
 484         },
 485
 486         /* dcdc2 */
 487         {
 488                 .constraints = {
 489                         .min_uV = 1710000,
 490                         .max_uV = 3450000,
 491                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 492                                 REGULATOR_CHANGE_STATUS),
 493                         .boot_on = 1,
 494                 },
 495                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 496                 .consumer_supplies = tps65070_dcdc2_consumers,
 497         },
 498
 499         /* dcdc3 */
 500         {
 501                 .constraints = {
 502                         .min_uV = 950000,
 503                         .max_uV = 1320000,
 504                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 505                                 REGULATOR_CHANGE_STATUS),
 506                         .boot_on = 1,
 507                 },
 508                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 509                 .consumer_supplies = tps65070_dcdc3_consumers,
 510         },
 511
 512         /* ldo1 */
 513         {
 514                 .constraints = {
 515                         .min_uV = 1710000,
 516                         .max_uV = 1890000,
 517                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 518                                 REGULATOR_CHANGE_STATUS),
 519                         .boot_on = 1,
 520                 },
 521                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 522                 .consumer_supplies = tps65070_ldo1_consumers,
 523         },
 524
 525         /* ldo2 */
 526         {
 527                 .constraints = {
 528                         .min_uV = 1140000,
 529                         .max_uV = 1320000,
 530                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 531                                 REGULATOR_CHANGE_STATUS),
 532                         .boot_on = 1,
 533                 },
 534                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 535                 .consumer_supplies = tps65070_ldo2_consumers,
 536         },
 537 };
 538
 539 static struct touchscreen_init_data tps6507x_touchscreen_data = {
 540         .poll_period =  30,     /* ms between touch samples */
 541         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
 542         .vref = 0,              /* turn off vref when not using A/D */
 543         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
 544         .product = 65070,       /* /sys/class/input/input?/id/product */
 545         .version = 0x100,       /* /sys/class/input/input?/id/version */
 546 };
 547
 548 static struct tps6507x_board tps_board = {
 549         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
 550         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
 551 };
 552
 553 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
 554         {
 555                 I2C_BOARD_INFO("tps6507x", 0x48),
 556                 .platform_data = &tps_board,
 557         },
 558 };
 559
 560 static int __init pmic_tps65070_init(void)
 561 {
 562         return i2c_register_board_info(1, da850evm_tps65070_info,
 563                                         ARRAY_SIZE(da850evm_tps65070_info));
 564 }
 565
 566 static const short da850_evm_lcdc_pins[] = {
 567         DA850_GPIO2_8, DA850_GPIO2_15,
 568         -1
 569 };
 570
 571 static int __init da850_evm_config_emac(void)
 572 {
 573         void __iomem *cfg_chip3_base;
 574         int ret;
 575         u32 val;
 576         struct davinci_soc_info *soc_info = &davinci_soc_info;
 577         u8 rmii_en = soc_info->emac_pdata->rmii_en;
 578
 579         if (!machine_is_davinci_da850_evm())
 580                 return 0;
 581
 582         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
 583
 584         val = __raw_readl(cfg_chip3_base);
 585
 586         if (rmii_en) {
 587                 val |= BIT(8);
 588                 ret = davinci_cfg_reg_list(da850_rmii_pins);
 589                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
 590                                                         " functional\n");
 591         } else {
 592                 val &= ~BIT(8);
 593                 ret = davinci_cfg_reg_list(da850_cpgmac_pins);
 594                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
 595                                                         " functional\n");
 596         }
 597
 598         if (ret)
 599                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
 600                                 ret);
 601
 602         /* configure the CFGCHIP3 register for RMII or MII */
 603         __raw_writel(val, cfg_chip3_base);
 604
 605         ret = davinci_cfg_reg(DA850_GPIO2_6);
 606         if (ret)
 607                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
 608                                                         "failed\n");
 609
 610         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
 611         if (ret) {
 612                 pr_warning("Cannot open GPIO %d\n",
 613                                         DA850_MII_MDIO_CLKEN_PIN);
 614                 return ret;
 615         }
 616
 617         /* Enable/Disable MII MDIO clock */
 618         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
 619
 620         soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
 621         soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
 622
 623         ret = da8xx_register_emac();
 624         if (ret)
 625                 pr_warning("da850_evm_init: emac registration failed: %d\n",
 626                                 ret);
 627
 628         return 0;
 629 }
 630 device_initcall(da850_evm_config_emac);
 631
 632 static __init void da850_evm_init(void)
 633 {
 634         int ret;
 635
 636         ret = pmic_tps65070_init();
 637         if (ret)
 638                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
 639                                 ret);
 640
 641         ret = da8xx_register_edma();
 642         if (ret)
 643                 pr_warning("da850_evm_init: edma registration failed: %d\n",
 644                                 ret);
 645
 646         ret = davinci_cfg_reg_list(da850_i2c0_pins);
 647         if (ret)
 648                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
 649                                 ret);
 650
 651         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
 652         if (ret)
 653                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
 654                                 ret);
 655
 656
 657         ret = da8xx_register_watchdog();
 658         if (ret)
 659                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 660                                 ret);
 661
 662         if (HAS_MMC) {
 663                 ret = davinci_cfg_reg_list(da850_mmcsd0_pins);
 664                 if (ret)
 665                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
 666                                         " %d\n", ret);
 667
 668                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
 669                 if (ret)
 670                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 671                                         DA850_MMCSD_CD_PIN);
 672                 gpio_direction_input(DA850_MMCSD_CD_PIN);
 673
 674                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
 675                 if (ret)
 676                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 677                                         DA850_MMCSD_WP_PIN);
 678                 gpio_direction_input(DA850_MMCSD_WP_PIN);
 679
 680                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
 681                 if (ret)
 682                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
 683                                         " %d\n", ret);
 684         }
 685
 686         davinci_serial_init(&da850_evm_uart_config);
 687
 688         i2c_register_board_info(1, da850_evm_i2c_devices,
 689                         ARRAY_SIZE(da850_evm_i2c_devices));
 690
 691         /*
 692          * shut down uart 0 and 1; they are not used on the board and
 693          * accessing them causes endless "too much work in irq53" messages
 694          * with arago fs
 695          */
 696         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
 697         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
 698
 699         ret = davinci_cfg_reg_list(da850_mcasp_pins);
 700         if (ret)
 701                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
 702                                 ret);
 703
 704         da8xx_register_mcasp(0, &da850_evm_snd_data);
 705
 706         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
 707         if (ret)
 708                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
 709                                 ret);
 710
 711         /* Handle board specific muxing for LCD here */
 712         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
 713         if (ret)
 714                 pr_warning("da850_evm_init: evm specific lcd mux setup "
 715                                 "failed: %d\n", ret);
 716
 717         ret = da850_lcd_hw_init();
 718         if (ret)
 719                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
 720                                 ret);
 721
 722         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
 723         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
 724         if (ret)
 725                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
 726                                 ret);
 727
 728         ret = da8xx_register_rtc();
 729         if (ret)
 730                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
 731
 732         ret = da850_register_cpufreq();
 733         if (ret)
 734                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
 735                                 ret);
 736
 737         ret = da8xx_register_cpuidle();
 738         if (ret)
 739                 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
 740                                 ret);
 741
 742         ret = da850_register_pm(&da850_pm_device);
 743         if (ret)
 744                 pr_warning("da850_evm_init: suspend registration failed: %d\n",
 745                                 ret);
 746 }
 747
 748 #ifdef CONFIG_SERIAL_8250_CONSOLE
 749 static int __init da850_evm_console_init(void)
 750 {
 751         return add_preferred_console("ttyS", 2, "115200");
 752 }
 753 console_initcall(da850_evm_console_init);
 754 #endif
 755
 756 static void __init da850_evm_map_io(void)
 757 {
 758         da850_init();
 759 }
 760
 761 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
 762         .phys_io        = IO_PHYS,
 763         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 764         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 765         .map_io         = da850_evm_map_io,
 766         .init_irq       = cp_intc_init,
 767         .timer          = &davinci_timer,
 768         .init_machine   = da850_evm_init,
 769 MACHINE_END