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