arch/arm/mach-davinci/board-da830-evm.c

   1 /*
   2  * TI DA830/OMAP L137 EVM board
   3  *
   4  * Author: Mark A. Greer <mgreer@mvista.com>
   5  * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
   6  *
   7  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
   8  * the terms of the GNU General Public License version 2. This program
   9  * is licensed "as is" without any warranty of any kind, whether express
  10  * or implied.
  11  */
  12 #include <linux/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/console.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/gpio.h>
  17 #include <linux/gpio/machine.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/i2c.h>
  20 #include <linux/platform_data/pcf857x.h>
  21 #include <linux/property.h>
  22 #include <linux/mtd/mtd.h>
  23 #include <linux/mtd/partitions.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/spi/flash.h>
  26 #include <linux/platform_data/gpio-davinci.h>
  27 #include <linux/platform_data/mtd-davinci.h>
  28 #include <linux/platform_data/mtd-davinci-aemif.h>
  29 #include <linux/platform_data/spi-davinci.h>
  30 #include <linux/platform_data/usb-davinci.h>
  31 #include <linux/platform_data/ti-aemif.h>
  32 #include <linux/regulator/fixed.h>
  33 #include <linux/regulator/machine.h>
  34 #include <linux/nvmem-provider.h>
  35
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38
  39 #include <mach/common.h>
  40 #include <mach/mux.h>
  41 #include <mach/da8xx.h>
  42
  43 #include "irqs.h"
  44
  45 #define DA830_EVM_PHY_ID                ""
  46 /*
  47  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
  48  */
  49 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
  50 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
  51
  52 static const short da830_evm_usb11_pins[] = {
  53         DA830_GPIO1_15, DA830_GPIO2_4,
  54         -1
  55 };
  56
  57 static struct regulator_consumer_supply da830_evm_usb_supplies[] = {
  58         REGULATOR_SUPPLY("vbus", NULL),
  59 };
  60
  61 static struct regulator_init_data da830_evm_usb_vbus_data = {
  62         .consumer_supplies      = da830_evm_usb_supplies,
  63         .num_consumer_supplies  = ARRAY_SIZE(da830_evm_usb_supplies),
  64 };
  65
  66 static struct fixed_voltage_config da830_evm_usb_vbus = {
  67         .supply_name            = "vbus",
  68         .microvolts             = 33000000,
  69         .init_data              = &da830_evm_usb_vbus_data,
  70 };
  71
  72 static struct platform_device da830_evm_usb_vbus_device = {
  73         .name           = "reg-fixed-voltage",
  74         .id             = 0,
  75         .dev            = {
  76                 .platform_data = &da830_evm_usb_vbus,
  77         },
  78 };
  79
  80 static struct gpiod_lookup_table da830_evm_usb_oc_gpio_lookup = {
  81         .dev_id         = "ohci-da8xx",
  82         .table = {
  83                 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_OVC, "oc", 0),
  84                 { }
  85         },
  86 };
  87
  88 static struct gpiod_lookup_table da830_evm_usb_vbus_gpio_lookup = {
  89         .dev_id         = "reg-fixed-voltage.0",
  90         .table = {
  91                 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_DRV, "vbus", 0),
  92                 { }
  93         },
  94 };
  95
  96 static struct gpiod_lookup_table *da830_evm_usb_gpio_lookups[] = {
  97         &da830_evm_usb_oc_gpio_lookup,
  98         &da830_evm_usb_vbus_gpio_lookup,
  99 };
 100
 101 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
 102         /* TPS2065 switch @ 5V */
 103         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
 104 };
 105
 106 static __init void da830_evm_usb_init(void)
 107 {
 108         int ret;
 109
 110         ret = da8xx_register_usb_phy_clocks();
 111         if (ret)
 112                 pr_warn("%s: USB PHY CLK registration failed: %d\n",
 113                         __func__, ret);
 114
 115         gpiod_add_lookup_tables(da830_evm_usb_gpio_lookups,
 116                                 ARRAY_SIZE(da830_evm_usb_gpio_lookups));
 117
 118         ret = da8xx_register_usb_phy();
 119         if (ret)
 120                 pr_warn("%s: USB PHY registration failed: %d\n",
 121                         __func__, ret);
 122
 123         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
 124         if (ret)
 125                 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__, ret);
 126         else {
 127                 /*
 128                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 129                  * with the power on to power good time of 3 ms.
 130                  */
 131                 ret = da8xx_register_usb20(1000, 3);
 132                 if (ret)
 133                         pr_warn("%s: USB 2.0 registration failed: %d\n",
 134                                 __func__, ret);
 135         }
 136
 137         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 138         if (ret) {
 139                 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
 140                 return;
 141         }
 142
 143         ret = platform_device_register(&da830_evm_usb_vbus_device);
 144         if (ret) {
 145                 pr_warn("%s: Unable to register the vbus supply\n", __func__);
 146                 return;
 147         }
 148
 149         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 150         if (ret)
 151                 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
 152 }
 153
 154 static const short da830_evm_mcasp1_pins[] = {
 155         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 156         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 157         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 158         DA830_AXR1_11,
 159         -1
 160 };
 161
 162 static u8 da830_iis_serializer_direction[] = {
 163         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 164         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 165         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 166 };
 167
 168 static struct snd_platform_data da830_evm_snd_data = {
 169         .tx_dma_offset  = 0x2000,
 170         .rx_dma_offset  = 0x2000,
 171         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 172         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 173         .tdm_slots      = 2,
 174         .serial_dir     = da830_iis_serializer_direction,
 175         .asp_chan_q     = EVENTQ_0,
 176         .version        = MCASP_VERSION_2,
 177         .txnumevt       = 1,
 178         .rxnumevt       = 1,
 179 };
 180
 181 /*
 182  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 183  */
 184 static const short da830_evm_mmc_sd_pins[] = {
 185         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 186         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 187         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 188         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 189         -1
 190 };
 191
 192 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 193 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 194
 195 static struct gpiod_lookup_table mmc_gpios_table = {
 196         .dev_id = "da830-mmc.0",
 197         .table = {
 198                 /* gpio chip 1 contains gpio range 32-63 */
 199                 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_CD_PIN, "cd",
 200                             GPIO_ACTIVE_LOW),
 201                 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_WP_PIN, "wp",
 202                             GPIO_ACTIVE_LOW),
 203                 { }
 204         },
 205 };
 206
 207 static struct davinci_mmc_config da830_evm_mmc_config = {
 208         .wires                  = 8,
 209         .max_freq               = 50000000,
 210         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 211 };
 212
 213 static inline void da830_evm_init_mmc(void)
 214 {
 215         int ret;
 216
 217         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 218         if (ret) {
 219                 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__, ret);
 220                 return;
 221         }
 222
 223         gpiod_add_lookup_table(&mmc_gpios_table);
 224
 225         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 226         if (ret) {
 227                 pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
 228                 gpiod_remove_lookup_table(&mmc_gpios_table);
 229         }
 230 }
 231
 232 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 233
 234 #ifdef CONFIG_DA830_UI_NAND
 235 static struct mtd_partition da830_evm_nand_partitions[] = {
 236         /* bootloader (U-Boot, etc) in first sector */
 237         [0] = {
 238                 .name           = "bootloader",
 239                 .offset         = 0,
 240                 .size           = SZ_128K,
 241                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 242         },
 243         /* bootloader params in the next sector */
 244         [1] = {
 245                 .name           = "params",
 246                 .offset         = MTDPART_OFS_APPEND,
 247                 .size           = SZ_128K,
 248                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 249         },
 250         /* kernel */
 251         [2] = {
 252                 .name           = "kernel",
 253                 .offset         = MTDPART_OFS_APPEND,
 254                 .size           = SZ_2M,
 255                 .mask_flags     = 0,
 256         },
 257         /* file system */
 258         [3] = {
 259                 .name           = "filesystem",
 260                 .offset         = MTDPART_OFS_APPEND,
 261                 .size           = MTDPART_SIZ_FULL,
 262                 .mask_flags     = 0,
 263         }
 264 };
 265
 266 /* flash bbt decriptors */
 267 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 268 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 269
 270 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 271         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 272                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 273                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 274         .offs           = 2,
 275         .len            = 4,
 276         .veroffs        = 16,
 277         .maxblocks      = 4,
 278         .pattern        = da830_evm_nand_bbt_pattern
 279 };
 280
 281 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 282         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 283                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 284                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 285         .offs           = 2,
 286         .len            = 4,
 287         .veroffs        = 16,
 288         .maxblocks      = 4,
 289         .pattern        = da830_evm_nand_mirror_pattern
 290 };
 291
 292 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 293         .wsetup         = 24,
 294         .wstrobe        = 21,
 295         .whold          = 14,
 296         .rsetup         = 19,
 297         .rstrobe        = 50,
 298         .rhold          = 0,
 299         .ta             = 20,
 300 };
 301
 302 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 303         .core_chipsel   = 1,
 304         .parts          = da830_evm_nand_partitions,
 305         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 306         .ecc_mode       = NAND_ECC_HW,
 307         .ecc_bits       = 4,
 308         .bbt_options    = NAND_BBT_USE_FLASH,
 309         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 310         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 311         .timing         = &da830_evm_nandflash_timing,
 312 };
 313
 314 static struct resource da830_evm_nand_resources[] = {
 315         [0] = {         /* First memory resource is NAND I/O window */
 316                 .start  = DA8XX_AEMIF_CS3_BASE,
 317                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 318                 .flags  = IORESOURCE_MEM,
 319         },
 320         [1] = {         /* Second memory resource is AEMIF control registers */
 321                 .start  = DA8XX_AEMIF_CTL_BASE,
 322                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 323                 .flags  = IORESOURCE_MEM,
 324         },
 325 };
 326
 327 static struct platform_device da830_evm_aemif_devices[] = {
 328         {
 329                 .name           = "davinci_nand",
 330                 .id             = 1,
 331                 .dev            = {
 332                         .platform_data  = &da830_evm_nand_pdata,
 333                 },
 334                 .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 335                 .resource       = da830_evm_nand_resources,
 336         },
 337 };
 338
 339 static struct resource da830_evm_aemif_resource[] = {
 340         {
 341                 .start  = DA8XX_AEMIF_CTL_BASE,
 342                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 343                 .flags  = IORESOURCE_MEM,
 344         },
 345 };
 346
 347 static struct aemif_abus_data da830_evm_aemif_abus_data[] = {
 348         {
 349                 .cs     = 3,
 350         },
 351 };
 352
 353 static struct aemif_platform_data da830_evm_aemif_pdata = {
 354         .abus_data              = da830_evm_aemif_abus_data,
 355         .num_abus_data          = ARRAY_SIZE(da830_evm_aemif_abus_data),
 356         .sub_devices            = da830_evm_aemif_devices,
 357         .num_sub_devices        = ARRAY_SIZE(da830_evm_aemif_devices),
 358         .cs_offset              = 2,
 359 };
 360
 361 static struct platform_device da830_evm_aemif_device = {
 362         .name           = "ti-aemif",
 363         .id             = -1,
 364         .dev = {
 365                 .platform_data = &da830_evm_aemif_pdata,
 366         },
 367         .resource       = da830_evm_aemif_resource,
 368         .num_resources  = ARRAY_SIZE(da830_evm_aemif_resource),
 369 };
 370
 371 /*
 372  * UI board NAND/NOR flashes only use 8-bit data bus.
 373  */
 374 static const short da830_evm_emif25_pins[] = {
 375         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 376         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 377         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 378         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 379         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 380         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 381         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 382         -1
 383 };
 384
 385 static inline void da830_evm_init_nand(int mux_mode)
 386 {
 387         int ret;
 388
 389         if (HAS_MMC) {
 390                 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
 391                         "\tDisable MMC/SD for NAND support\n");
 392                 return;
 393         }
 394
 395         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 396         if (ret)
 397                 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
 398
 399         ret = platform_device_register(&da830_evm_aemif_device);
 400         if (ret)
 401                 pr_warn("%s: AEMIF device not registered\n", __func__);
 402
 403         gpio_direction_output(mux_mode, 1);
 404 }
 405 #else
 406 static inline void da830_evm_init_nand(int mux_mode) { }
 407 #endif
 408
 409 #ifdef CONFIG_DA830_UI_LCD
 410 static inline void da830_evm_init_lcdc(int mux_mode)
 411 {
 412         int ret;
 413
 414         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 415         if (ret)
 416                 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
 417
 418         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 419         if (ret)
 420                 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
 421
 422         gpio_direction_output(mux_mode, 0);
 423 }
 424 #else
 425 static inline void da830_evm_init_lcdc(int mux_mode) { }
 426 #endif
 427
 428 static struct nvmem_cell_info da830_evm_nvmem_cells[] = {
 429         {
 430                 .name           = "macaddr",
 431                 .offset         = 0x7f00,
 432                 .bytes          = ETH_ALEN,
 433         }
 434 };
 435
 436 static struct nvmem_cell_table da830_evm_nvmem_cell_table = {
 437         .nvmem_name     = "1-00500",
 438         .cells          = da830_evm_nvmem_cells,
 439         .ncells         = ARRAY_SIZE(da830_evm_nvmem_cells),
 440 };
 441
 442 static struct nvmem_cell_lookup da830_evm_nvmem_cell_lookup = {
 443         .nvmem_name     = "1-00500",
 444         .cell_name      = "macaddr",
 445         .dev_id         = "davinci_emac.1",
 446         .con_id         = "mac-address",
 447 };
 448
 449 static const struct property_entry da830_evm_i2c_eeprom_properties[] = {
 450         PROPERTY_ENTRY_U32("pagesize", 64),
 451         { }
 452 };
 453
 454 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 455                 int gpio, unsigned ngpio, void *context)
 456 {
 457         gpio_request(gpio + 6, "UI MUX_MODE");
 458
 459         /* Drive mux mode low to match the default without UI card */
 460         gpio_direction_output(gpio + 6, 0);
 461
 462         da830_evm_init_lcdc(gpio + 6);
 463
 464         da830_evm_init_nand(gpio + 6);
 465
 466         return 0;
 467 }
 468
 469 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 470                 unsigned ngpio, void *context)
 471 {
 472         gpio_free(gpio + 6);
 473         return 0;
 474 }
 475
 476 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 477         .gpio_base      = DAVINCI_N_GPIO,
 478         .setup          = da830_evm_ui_expander_setup,
 479         .teardown       = da830_evm_ui_expander_teardown,
 480 };
 481
 482 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 483         {
 484                 I2C_BOARD_INFO("24c256", 0x50),
 485                 .properties = da830_evm_i2c_eeprom_properties,
 486         },
 487         {
 488                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 489         },
 490         {
 491                 I2C_BOARD_INFO("pcf8574", 0x3f),
 492                 .platform_data  = &da830_evm_ui_expander_info,
 493         },
 494 };
 495
 496 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 497         .bus_freq       = 100,  /* kHz */
 498         .bus_delay      = 0,    /* usec */
 499 };
 500
 501 /*
 502  * The following EDMA channels/slots are not being used by drivers (for
 503  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 504  * they are being reserved for codecs on the DSP side.
 505  */
 506 static const s16 da830_dma_rsv_chans[][2] = {
 507         /* (offset, number) */
 508         { 8,  2},
 509         {12,  2},
 510         {24,  4},
 511         {30,  2},
 512         {-1, -1}
 513 };
 514
 515 static const s16 da830_dma_rsv_slots[][2] = {
 516         /* (offset, number) */
 517         { 8,  2},
 518         {12,  2},
 519         {24,  4},
 520         {30, 26},
 521         {-1, -1}
 522 };
 523
 524 static struct edma_rsv_info da830_edma_rsv[] = {
 525         {
 526                 .rsv_chans      = da830_dma_rsv_chans,
 527                 .rsv_slots      = da830_dma_rsv_slots,
 528         },
 529 };
 530
 531 static struct mtd_partition da830evm_spiflash_part[] = {
 532         [0] = {
 533                 .name = "DSP-UBL",
 534                 .offset = 0,
 535                 .size = SZ_8K,
 536                 .mask_flags = MTD_WRITEABLE,
 537         },
 538         [1] = {
 539                 .name = "ARM-UBL",
 540                 .offset = MTDPART_OFS_APPEND,
 541                 .size = SZ_16K + SZ_8K,
 542                 .mask_flags = MTD_WRITEABLE,
 543         },
 544         [2] = {
 545                 .name = "U-Boot",
 546                 .offset = MTDPART_OFS_APPEND,
 547                 .size = SZ_256K - SZ_32K,
 548                 .mask_flags = MTD_WRITEABLE,
 549         },
 550         [3] = {
 551                 .name = "U-Boot-Environment",
 552                 .offset = MTDPART_OFS_APPEND,
 553                 .size = SZ_16K,
 554                 .mask_flags = 0,
 555         },
 556         [4] = {
 557                 .name = "Kernel",
 558                 .offset = MTDPART_OFS_APPEND,
 559                 .size = MTDPART_SIZ_FULL,
 560                 .mask_flags = 0,
 561         },
 562 };
 563
 564 static struct flash_platform_data da830evm_spiflash_data = {
 565         .name           = "m25p80",
 566         .parts          = da830evm_spiflash_part,
 567         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
 568         .type           = "w25x32",
 569 };
 570
 571 static struct davinci_spi_config da830evm_spiflash_cfg = {
 572         .io_type        = SPI_IO_TYPE_DMA,
 573         .c2tdelay       = 8,
 574         .t2cdelay       = 8,
 575 };
 576
 577 static struct spi_board_info da830evm_spi_info[] = {
 578         {
 579                 .modalias               = "m25p80",
 580                 .platform_data          = &da830evm_spiflash_data,
 581                 .controller_data        = &da830evm_spiflash_cfg,
 582                 .mode                   = SPI_MODE_0,
 583                 .max_speed_hz           = 30000000,
 584                 .bus_num                = 0,
 585                 .chip_select            = 0,
 586         },
 587 };
 588
 589 static __init void da830_evm_init(void)
 590 {
 591         struct davinci_soc_info *soc_info = &davinci_soc_info;
 592         int ret;
 593
 594         da830_register_clocks();
 595
 596         ret = da830_register_gpio();
 597         if (ret)
 598                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 599
 600         ret = da830_register_edma(da830_edma_rsv);
 601         if (ret)
 602                 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
 603
 604         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 605         if (ret)
 606                 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
 607
 608         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 609         if (ret)
 610                 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
 611
 612         da830_evm_usb_init();
 613
 614         soc_info->emac_pdata->rmii_en = 1;
 615         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
 616
 617         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 618         if (ret)
 619                 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
 620
 621         ret = da8xx_register_emac();
 622         if (ret)
 623                 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
 624
 625         ret = da8xx_register_watchdog();
 626         if (ret)
 627                 pr_warn("%s: watchdog registration failed: %d\n",
 628                         __func__, ret);
 629
 630         davinci_serial_init(da8xx_serial_device);
 631
 632         nvmem_add_cell_table(&da830_evm_nvmem_cell_table);
 633         nvmem_add_cell_lookups(&da830_evm_nvmem_cell_lookup, 1);
 634
 635         i2c_register_board_info(1, da830_evm_i2c_devices,
 636                         ARRAY_SIZE(da830_evm_i2c_devices));
 637
 638         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 639         if (ret)
 640                 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
 641
 642         da8xx_register_mcasp(1, &da830_evm_snd_data);
 643
 644         da830_evm_init_mmc();
 645
 646         ret = da8xx_register_rtc();
 647         if (ret)
 648                 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
 649
 650         ret = spi_register_board_info(da830evm_spi_info,
 651                                       ARRAY_SIZE(da830evm_spi_info));
 652         if (ret)
 653                 pr_warn("%s: spi info registration failed: %d\n",
 654                         __func__, ret);
 655
 656         ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
 657         if (ret)
 658                 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
 659
 660         regulator_has_full_constraints();
 661 }
 662
 663 #ifdef CONFIG_SERIAL_8250_CONSOLE
 664 static int __init da830_evm_console_init(void)
 665 {
 666         if (!machine_is_davinci_da830_evm())
 667                 return 0;
 668
 669         return add_preferred_console("ttyS", 2, "115200");
 670 }
 671 console_initcall(da830_evm_console_init);
 672 #endif
 673
 674 static void __init da830_evm_map_io(void)
 675 {
 676         da830_init();
 677 }
 678
 679 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 680         .atag_offset    = 0x100,
 681         .map_io         = da830_evm_map_io,
 682         .init_irq       = da830_init_irq,
 683         .init_time      = da830_init_time,
 684         .init_machine   = da830_evm_init,
 685         .init_late      = davinci_init_late,
 686         .dma_zone_size  = SZ_128M,
 687 MACHINE_END