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 "common.h"
  40 #include "mux.h"
  41 #include "da8xx.h"
  42 #include "irqs.h"
  43
  44 #define DA830_EVM_PHY_ID                ""
  45 /*
  46  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
  47  */
  48 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
  49 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
  50
  51 static const short da830_evm_usb11_pins[] = {
  52         DA830_GPIO1_15, DA830_GPIO2_4,
  53         -1
  54 };
  55
  56 static struct regulator_consumer_supply da830_evm_usb_supplies[] = {
  57         REGULATOR_SUPPLY("vbus", NULL),
  58 };
  59
  60 static struct regulator_init_data da830_evm_usb_vbus_data = {
  61         .consumer_supplies      = da830_evm_usb_supplies,
  62         .num_consumer_supplies  = ARRAY_SIZE(da830_evm_usb_supplies),
  63         .constraints    = {
  64                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
  65         },
  66 };
  67
  68 static struct fixed_voltage_config da830_evm_usb_vbus = {
  69         .supply_name            = "vbus",
  70         .microvolts             = 33000000,
  71         .init_data              = &da830_evm_usb_vbus_data,
  72 };
  73
  74 static struct platform_device da830_evm_usb_vbus_device = {
  75         .name           = "reg-fixed-voltage",
  76         .id             = 0,
  77         .dev            = {
  78                 .platform_data = &da830_evm_usb_vbus,
  79         },
  80 };
  81
  82 static struct gpiod_lookup_table da830_evm_usb_oc_gpio_lookup = {
  83         .dev_id         = "ohci-da8xx",
  84         .table = {
  85                 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_OVC, "oc", 0),
  86                 { }
  87         },
  88 };
  89
  90 static struct gpiod_lookup_table da830_evm_usb_vbus_gpio_lookup = {
  91         .dev_id         = "reg-fixed-voltage.0",
  92         .table = {
  93                 GPIO_LOOKUP("davinci_gpio", ON_BD_USB_DRV, NULL, 0),
  94                 { }
  95         },
  96 };
  97
  98 static struct gpiod_lookup_table *da830_evm_usb_gpio_lookups[] = {
  99         &da830_evm_usb_oc_gpio_lookup,
 100         &da830_evm_usb_vbus_gpio_lookup,
 101 };
 102
 103 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
 104         /* TPS2065 switch @ 5V */
 105         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
 106 };
 107
 108 static __init void da830_evm_usb_init(void)
 109 {
 110         int ret;
 111
 112         ret = da8xx_register_usb_phy_clocks();
 113         if (ret)
 114                 pr_warn("%s: USB PHY CLK registration failed: %d\n",
 115                         __func__, ret);
 116
 117         gpiod_add_lookup_tables(da830_evm_usb_gpio_lookups,
 118                                 ARRAY_SIZE(da830_evm_usb_gpio_lookups));
 119
 120         ret = da8xx_register_usb_phy();
 121         if (ret)
 122                 pr_warn("%s: USB PHY registration failed: %d\n",
 123                         __func__, ret);
 124
 125         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
 126         if (ret)
 127                 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__, ret);
 128         else {
 129                 /*
 130                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 131                  * with the power on to power good time of 3 ms.
 132                  */
 133                 ret = da8xx_register_usb20(1000, 3);
 134                 if (ret)
 135                         pr_warn("%s: USB 2.0 registration failed: %d\n",
 136                                 __func__, ret);
 137         }
 138
 139         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 140         if (ret) {
 141                 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
 142                 return;
 143         }
 144
 145         ret = platform_device_register(&da830_evm_usb_vbus_device);
 146         if (ret) {
 147                 pr_warn("%s: Unable to register the vbus supply\n", __func__);
 148                 return;
 149         }
 150
 151         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 152         if (ret)
 153                 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
 154 }
 155
 156 static const short da830_evm_mcasp1_pins[] = {
 157         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 158         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 159         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 160         DA830_AXR1_11,
 161         -1
 162 };
 163
 164 static u8 da830_iis_serializer_direction[] = {
 165         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 166         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 167         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 168 };
 169
 170 static struct snd_platform_data da830_evm_snd_data = {
 171         .tx_dma_offset  = 0x2000,
 172         .rx_dma_offset  = 0x2000,
 173         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 174         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 175         .tdm_slots      = 2,
 176         .serial_dir     = da830_iis_serializer_direction,
 177         .asp_chan_q     = EVENTQ_0,
 178         .version        = MCASP_VERSION_2,
 179         .txnumevt       = 1,
 180         .rxnumevt       = 1,
 181 };
 182
 183 /*
 184  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 185  */
 186 static const short da830_evm_mmc_sd_pins[] = {
 187         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 188         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 189         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 190         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 191         -1
 192 };
 193
 194 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 195 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 196
 197 static struct gpiod_lookup_table mmc_gpios_table = {
 198         .dev_id = "da830-mmc.0",
 199         .table = {
 200                 /* gpio chip 1 contains gpio range 32-63 */
 201                 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_CD_PIN, "cd",
 202                             GPIO_ACTIVE_LOW),
 203                 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_WP_PIN, "wp",
 204                             GPIO_ACTIVE_LOW),
 205                 { }
 206         },
 207 };
 208
 209 static struct davinci_mmc_config da830_evm_mmc_config = {
 210         .wires                  = 8,
 211         .max_freq               = 50000000,
 212         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 213 };
 214
 215 static inline void da830_evm_init_mmc(void)
 216 {
 217         int ret;
 218
 219         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 220         if (ret) {
 221                 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__, ret);
 222                 return;
 223         }
 224
 225         gpiod_add_lookup_table(&mmc_gpios_table);
 226
 227         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 228         if (ret) {
 229                 pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
 230                 gpiod_remove_lookup_table(&mmc_gpios_table);
 231         }
 232 }
 233
 234 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 235
 236 #ifdef CONFIG_DA830_UI_NAND
 237 static struct mtd_partition da830_evm_nand_partitions[] = {
 238         /* bootloader (U-Boot, etc) in first sector */
 239         [0] = {
 240                 .name           = "bootloader",
 241                 .offset         = 0,
 242                 .size           = SZ_128K,
 243                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 244         },
 245         /* bootloader params in the next sector */
 246         [1] = {
 247                 .name           = "params",
 248                 .offset         = MTDPART_OFS_APPEND,
 249                 .size           = SZ_128K,
 250                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 251         },
 252         /* kernel */
 253         [2] = {
 254                 .name           = "kernel",
 255                 .offset         = MTDPART_OFS_APPEND,
 256                 .size           = SZ_2M,
 257                 .mask_flags     = 0,
 258         },
 259         /* file system */
 260         [3] = {
 261                 .name           = "filesystem",
 262                 .offset         = MTDPART_OFS_APPEND,
 263                 .size           = MTDPART_SIZ_FULL,
 264                 .mask_flags     = 0,
 265         }
 266 };
 267
 268 /* flash bbt descriptors */
 269 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 270 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 271
 272 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 273         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 274                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 275                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 276         .offs           = 2,
 277         .len            = 4,
 278         .veroffs        = 16,
 279         .maxblocks      = 4,
 280         .pattern        = da830_evm_nand_bbt_pattern
 281 };
 282
 283 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 284         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 285                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 286                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 287         .offs           = 2,
 288         .len            = 4,
 289         .veroffs        = 16,
 290         .maxblocks      = 4,
 291         .pattern        = da830_evm_nand_mirror_pattern
 292 };
 293
 294 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 295         .wsetup         = 24,
 296         .wstrobe        = 21,
 297         .whold          = 14,
 298         .rsetup         = 19,
 299         .rstrobe        = 50,
 300         .rhold          = 0,
 301         .ta             = 20,
 302 };
 303
 304 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 305         .core_chipsel   = 1,
 306         .parts          = da830_evm_nand_partitions,
 307         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 308         .engine_type    = NAND_ECC_ENGINE_TYPE_ON_HOST,
 309         .ecc_bits       = 4,
 310         .bbt_options    = NAND_BBT_USE_FLASH,
 311         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 312         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 313         .timing         = &da830_evm_nandflash_timing,
 314 };
 315
 316 static struct resource da830_evm_nand_resources[] = {
 317         [0] = {         /* First memory resource is NAND I/O window */
 318                 .start  = DA8XX_AEMIF_CS3_BASE,
 319                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 320                 .flags  = IORESOURCE_MEM,
 321         },
 322         [1] = {         /* Second memory resource is AEMIF control registers */
 323                 .start  = DA8XX_AEMIF_CTL_BASE,
 324                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 325                 .flags  = IORESOURCE_MEM,
 326         },
 327 };
 328
 329 static struct platform_device da830_evm_aemif_devices[] = {
 330         {
 331                 .name           = "davinci_nand",
 332                 .id             = 1,
 333                 .dev            = {
 334                         .platform_data  = &da830_evm_nand_pdata,
 335                 },
 336                 .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 337                 .resource       = da830_evm_nand_resources,
 338         },
 339 };
 340
 341 static struct resource da830_evm_aemif_resource[] = {
 342         {
 343                 .start  = DA8XX_AEMIF_CTL_BASE,
 344                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 345                 .flags  = IORESOURCE_MEM,
 346         },
 347 };
 348
 349 static struct aemif_abus_data da830_evm_aemif_abus_data[] = {
 350         {
 351                 .cs     = 3,
 352         },
 353 };
 354
 355 static struct aemif_platform_data da830_evm_aemif_pdata = {
 356         .abus_data              = da830_evm_aemif_abus_data,
 357         .num_abus_data          = ARRAY_SIZE(da830_evm_aemif_abus_data),
 358         .sub_devices            = da830_evm_aemif_devices,
 359         .num_sub_devices        = ARRAY_SIZE(da830_evm_aemif_devices),
 360         .cs_offset              = 2,
 361 };
 362
 363 static struct platform_device da830_evm_aemif_device = {
 364         .name           = "ti-aemif",
 365         .id             = -1,
 366         .dev = {
 367                 .platform_data = &da830_evm_aemif_pdata,
 368         },
 369         .resource       = da830_evm_aemif_resource,
 370         .num_resources  = ARRAY_SIZE(da830_evm_aemif_resource),
 371 };
 372
 373 /*
 374  * UI board NAND/NOR flashes only use 8-bit data bus.
 375  */
 376 static const short da830_evm_emif25_pins[] = {
 377         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 378         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 379         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 380         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 381         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 382         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 383         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 384         -1
 385 };
 386
 387 static inline void da830_evm_init_nand(int mux_mode)
 388 {
 389         int ret;
 390
 391         if (HAS_MMC) {
 392                 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
 393                         "\tDisable MMC/SD for NAND support\n");
 394                 return;
 395         }
 396
 397         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 398         if (ret)
 399                 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
 400
 401         ret = platform_device_register(&da830_evm_aemif_device);
 402         if (ret)
 403                 pr_warn("%s: AEMIF device not registered\n", __func__);
 404
 405         gpio_direction_output(mux_mode, 1);
 406 }
 407 #else
 408 static inline void da830_evm_init_nand(int mux_mode) { }
 409 #endif
 410
 411 #ifdef CONFIG_DA830_UI_LCD
 412 static inline void da830_evm_init_lcdc(int mux_mode)
 413 {
 414         int ret;
 415
 416         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 417         if (ret)
 418                 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
 419
 420         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 421         if (ret)
 422                 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
 423
 424         gpio_direction_output(mux_mode, 0);
 425 }
 426 #else
 427 static inline void da830_evm_init_lcdc(int mux_mode) { }
 428 #endif
 429
 430 static struct nvmem_cell_info da830_evm_nvmem_cells[] = {
 431         {
 432                 .name           = "macaddr",
 433                 .offset         = 0x7f00,
 434                 .bytes          = ETH_ALEN,
 435         }
 436 };
 437
 438 static struct nvmem_cell_table da830_evm_nvmem_cell_table = {
 439         .nvmem_name     = "1-00500",
 440         .cells          = da830_evm_nvmem_cells,
 441         .ncells         = ARRAY_SIZE(da830_evm_nvmem_cells),
 442 };
 443
 444 static struct nvmem_cell_lookup da830_evm_nvmem_cell_lookup = {
 445         .nvmem_name     = "1-00500",
 446         .cell_name      = "macaddr",
 447         .dev_id         = "davinci_emac.1",
 448         .con_id         = "mac-address",
 449 };
 450
 451 static const struct property_entry da830_evm_i2c_eeprom_properties[] = {
 452         PROPERTY_ENTRY_U32("pagesize", 64),
 453         { }
 454 };
 455
 456 static const struct software_node da830_evm_i2c_eeprom_node = {
 457         .properties = da830_evm_i2c_eeprom_properties,
 458 };
 459
 460 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 461                 int gpio, unsigned ngpio, void *context)
 462 {
 463         gpio_request(gpio + 6, "UI MUX_MODE");
 464
 465         /* Drive mux mode low to match the default without UI card */
 466         gpio_direction_output(gpio + 6, 0);
 467
 468         da830_evm_init_lcdc(gpio + 6);
 469
 470         da830_evm_init_nand(gpio + 6);
 471
 472         return 0;
 473 }
 474
 475 static void da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 476                 unsigned ngpio, void *context)
 477 {
 478         gpio_free(gpio + 6);
 479 }
 480
 481 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 482         .gpio_base      = DAVINCI_N_GPIO,
 483         .setup          = da830_evm_ui_expander_setup,
 484         .teardown       = da830_evm_ui_expander_teardown,
 485 };
 486
 487 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 488         {
 489                 I2C_BOARD_INFO("24c256", 0x50),
 490                 .swnode = &da830_evm_i2c_eeprom_node,
 491         },
 492         {
 493                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 494         },
 495         {
 496                 I2C_BOARD_INFO("pcf8574", 0x3f),
 497                 .platform_data  = &da830_evm_ui_expander_info,
 498         },
 499 };
 500
 501 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 502         .bus_freq       = 100,  /* kHz */
 503         .bus_delay      = 0,    /* usec */
 504 };
 505
 506 /*
 507  * The following EDMA channels/slots are not being used by drivers (for
 508  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 509  * they are being reserved for codecs on the DSP side.
 510  */
 511 static const s16 da830_dma_rsv_chans[][2] = {
 512         /* (offset, number) */
 513         { 8,  2},
 514         {12,  2},
 515         {24,  4},
 516         {30,  2},
 517         {-1, -1}
 518 };
 519
 520 static const s16 da830_dma_rsv_slots[][2] = {
 521         /* (offset, number) */
 522         { 8,  2},
 523         {12,  2},
 524         {24,  4},
 525         {30, 26},
 526         {-1, -1}
 527 };
 528
 529 static struct edma_rsv_info da830_edma_rsv[] = {
 530         {
 531                 .rsv_chans      = da830_dma_rsv_chans,
 532                 .rsv_slots      = da830_dma_rsv_slots,
 533         },
 534 };
 535
 536 static struct mtd_partition da830evm_spiflash_part[] = {
 537         [0] = {
 538                 .name = "DSP-UBL",
 539                 .offset = 0,
 540                 .size = SZ_8K,
 541                 .mask_flags = MTD_WRITEABLE,
 542         },
 543         [1] = {
 544                 .name = "ARM-UBL",
 545                 .offset = MTDPART_OFS_APPEND,
 546                 .size = SZ_16K + SZ_8K,
 547                 .mask_flags = MTD_WRITEABLE,
 548         },
 549         [2] = {
 550                 .name = "U-Boot",
 551                 .offset = MTDPART_OFS_APPEND,
 552                 .size = SZ_256K - SZ_32K,
 553                 .mask_flags = MTD_WRITEABLE,
 554         },
 555         [3] = {
 556                 .name = "U-Boot-Environment",
 557                 .offset = MTDPART_OFS_APPEND,
 558                 .size = SZ_16K,
 559                 .mask_flags = 0,
 560         },
 561         [4] = {
 562                 .name = "Kernel",
 563                 .offset = MTDPART_OFS_APPEND,
 564                 .size = MTDPART_SIZ_FULL,
 565                 .mask_flags = 0,
 566         },
 567 };
 568
 569 static struct flash_platform_data da830evm_spiflash_data = {
 570         .name           = "m25p80",
 571         .parts          = da830evm_spiflash_part,
 572         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
 573         .type           = "w25x32",
 574 };
 575
 576 static struct davinci_spi_config da830evm_spiflash_cfg = {
 577         .io_type        = SPI_IO_TYPE_DMA,
 578         .c2tdelay       = 8,
 579         .t2cdelay       = 8,
 580 };
 581
 582 static struct spi_board_info da830evm_spi_info[] = {
 583         {
 584                 .modalias               = "m25p80",
 585                 .platform_data          = &da830evm_spiflash_data,
 586                 .controller_data        = &da830evm_spiflash_cfg,
 587                 .mode                   = SPI_MODE_0,
 588                 .max_speed_hz           = 30000000,
 589                 .bus_num                = 0,
 590                 .chip_select            = 0,
 591         },
 592 };
 593
 594 static __init void da830_evm_init(void)
 595 {
 596         struct davinci_soc_info *soc_info = &davinci_soc_info;
 597         int ret;
 598
 599         da830_register_clocks();
 600
 601         ret = da830_register_gpio();
 602         if (ret)
 603                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 604
 605         ret = da830_register_edma(da830_edma_rsv);
 606         if (ret)
 607                 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
 608
 609         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 610         if (ret)
 611                 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
 612
 613         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 614         if (ret)
 615                 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
 616
 617         da830_evm_usb_init();
 618
 619         soc_info->emac_pdata->rmii_en = 1;
 620         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
 621
 622         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 623         if (ret)
 624                 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
 625
 626         ret = da8xx_register_emac();
 627         if (ret)
 628                 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
 629
 630         ret = da8xx_register_watchdog();
 631         if (ret)
 632                 pr_warn("%s: watchdog registration failed: %d\n",
 633                         __func__, ret);
 634
 635         davinci_serial_init(da8xx_serial_device);
 636
 637         nvmem_add_cell_table(&da830_evm_nvmem_cell_table);
 638         nvmem_add_cell_lookups(&da830_evm_nvmem_cell_lookup, 1);
 639
 640         i2c_register_board_info(1, da830_evm_i2c_devices,
 641                         ARRAY_SIZE(da830_evm_i2c_devices));
 642
 643         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 644         if (ret)
 645                 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
 646
 647         da8xx_register_mcasp(1, &da830_evm_snd_data);
 648
 649         da830_evm_init_mmc();
 650
 651         ret = da8xx_register_rtc();
 652         if (ret)
 653                 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
 654
 655         ret = spi_register_board_info(da830evm_spi_info,
 656                                       ARRAY_SIZE(da830evm_spi_info));
 657         if (ret)
 658                 pr_warn("%s: spi info registration failed: %d\n",
 659                         __func__, ret);
 660
 661         ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
 662         if (ret)
 663                 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
 664
 665         regulator_has_full_constraints();
 666 }
 667
 668 #ifdef CONFIG_SERIAL_8250_CONSOLE
 669 static int __init da830_evm_console_init(void)
 670 {
 671         if (!machine_is_davinci_da830_evm())
 672                 return 0;
 673
 674         return add_preferred_console("ttyS", 2, "115200");
 675 }
 676 console_initcall(da830_evm_console_init);
 677 #endif
 678
 679 static void __init da830_evm_map_io(void)
 680 {
 681         da830_init();
 682 }
 683
 684 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 685         .atag_offset    = 0x100,
 686         .map_io         = da830_evm_map_io,
 687         .init_irq       = da830_init_irq,
 688         .init_time      = da830_init_time,
 689         .init_machine   = da830_evm_init,
 690         .init_late      = davinci_init_late,
 691         .dma_zone_size  = SZ_128M,
 692 MACHINE_END