kernel/2.6.29.6-aldebaran-rt/arch/blackfin/mach-bf538/boards/ezkit.c

   1 /*
   2  * File:         arch/blackfin/mach-bf538/boards/ezkit.c
   3  * Based on:     arch/blackfin/mach-bf537/boards/ezkit.c
   4  * Author:       Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2005 National ICT Australia (NICTA)
  11  *               Copyright 2004-2008 Analog Devices Inc.
  12  *
  13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see the file COPYING, or write
  27  * to the Free Software Foundation, Inc.,
  28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  29  */
  30
  31 #include <linux/device.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/mtd/mtd.h>
  34 #include <linux/mtd/partitions.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/spi/flash.h>
  37 #include <linux/irq.h>
  38 #include <linux/interrupt.h>
  39 #include <asm/bfin5xx_spi.h>
  40 #include <asm/dma.h>
  41 #include <asm/gpio.h>
  42 #include <asm/nand.h>
  43 #include <asm/portmux.h>
  44 #include <asm/dpmc.h>
  45 #include <linux/input.h>
  46
  47 /*
  48  * Name the Board for the /proc/cpuinfo
  49  */
  50 const char bfin_board_name[] = "ADI BF538-EZKIT";
  51
  52 /*
  53  *  Driver needs to know address, irq and flag pin.
  54  */
  55
  56
  57 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  58 static struct platform_device rtc_device = {
  59         .name = "rtc-bfin",
  60         .id   = -1,
  61 };
  62 #endif
  63
  64 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
  65 static struct resource bfin_uart_resources[] = {
  66 #ifdef CONFIG_SERIAL_BFIN_UART0
  67         {
  68                 .start = 0xFFC00400,
  69                 .end = 0xFFC004FF,
  70                 .flags = IORESOURCE_MEM,
  71         },
  72 #endif
  73 #ifdef CONFIG_SERIAL_BFIN_UART1
  74         {
  75                 .start = 0xFFC02000,
  76                 .end = 0xFFC020FF,
  77                 .flags = IORESOURCE_MEM,
  78         },
  79 #endif
  80 #ifdef CONFIG_SERIAL_BFIN_UART2
  81         {
  82                 .start = 0xFFC02100,
  83                 .end = 0xFFC021FF,
  84                 .flags = IORESOURCE_MEM,
  85         },
  86 #endif
  87 };
  88
  89 static struct platform_device bfin_uart_device = {
  90         .name = "bfin-uart",
  91         .id = 1,
  92         .num_resources = ARRAY_SIZE(bfin_uart_resources),
  93         .resource = bfin_uart_resources,
  94 };
  95 #endif
  96
  97 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
  98 #ifdef CONFIG_BFIN_SIR0
  99 static struct resource bfin_sir0_resources[] = {
 100         {
 101                 .start = 0xFFC00400,
 102                 .end = 0xFFC004FF,
 103                 .flags = IORESOURCE_MEM,
 104         },
 105         {
 106                 .start = IRQ_UART0_RX,
 107                 .end = IRQ_UART0_RX+1,
 108                 .flags = IORESOURCE_IRQ,
 109         },
 110         {
 111                 .start = CH_UART0_RX,
 112                 .end = CH_UART0_RX+1,
 113                 .flags = IORESOURCE_DMA,
 114         },
 115 };
 116 static struct platform_device bfin_sir0_device = {
 117         .name = "bfin_sir",
 118         .id = 0,
 119         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 120         .resource = bfin_sir0_resources,
 121 };
 122 #endif
 123 #ifdef CONFIG_BFIN_SIR1
 124 static struct resource bfin_sir1_resources[] = {
 125         {
 126                 .start = 0xFFC02000,
 127                 .end = 0xFFC020FF,
 128                 .flags = IORESOURCE_MEM,
 129         },
 130         {
 131                 .start = IRQ_UART1_RX,
 132                 .end = IRQ_UART1_RX+1,
 133                 .flags = IORESOURCE_IRQ,
 134         },
 135         {
 136                 .start = CH_UART1_RX,
 137                 .end = CH_UART1_RX+1,
 138                 .flags = IORESOURCE_DMA,
 139         },
 140 };
 141 static struct platform_device bfin_sir1_device = {
 142         .name = "bfin_sir",
 143         .id = 1,
 144         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
 145         .resource = bfin_sir1_resources,
 146 };
 147 #endif
 148 #ifdef CONFIG_BFIN_SIR2
 149 static struct resource bfin_sir2_resources[] = {
 150         {
 151                 .start = 0xFFC02100,
 152                 .end = 0xFFC021FF,
 153                 .flags = IORESOURCE_MEM,
 154         },
 155         {
 156                 .start = IRQ_UART2_RX,
 157                 .end = IRQ_UART2_RX+1,
 158                 .flags = IORESOURCE_IRQ,
 159         },
 160         {
 161                 .start = CH_UART2_RX,
 162                 .end = CH_UART2_RX+1,
 163                 .flags = IORESOURCE_DMA,
 164         },
 165 };
 166 static struct platform_device bfin_sir2_device = {
 167         .name = "bfin_sir",
 168         .id = 2,
 169         .num_resources = ARRAY_SIZE(bfin_sir2_resources),
 170         .resource = bfin_sir2_resources,
 171 };
 172 #endif
 173 #endif
 174
 175 /*
 176  *  USB-LAN EzExtender board
 177  *  Driver needs to know address, irq and flag pin.
 178  */
 179 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 180 static struct resource smc91x_resources[] = {
 181         {
 182                 .name = "smc91x-regs",
 183                 .start = 0x20310300,
 184                 .end = 0x20310300 + 16,
 185                 .flags = IORESOURCE_MEM,
 186         }, {
 187                 .start = IRQ_PF0,
 188                 .end = IRQ_PF0,
 189                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 190         },
 191 };
 192 static struct platform_device smc91x_device = {
 193         .name = "smc91x",
 194         .id = 0,
 195         .num_resources = ARRAY_SIZE(smc91x_resources),
 196         .resource = smc91x_resources,
 197 };
 198 #endif
 199
 200 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 201 /* all SPI peripherals info goes here */
 202 #if defined(CONFIG_MTD_M25P80) \
 203         || defined(CONFIG_MTD_M25P80_MODULE)
 204 /* SPI flash chip (m25p16) */
 205 static struct mtd_partition bfin_spi_flash_partitions[] = {
 206         {
 207                 .name = "bootloader(spi)",
 208                 .size = 0x00040000,
 209                 .offset = 0,
 210                 .mask_flags = MTD_CAP_ROM
 211         }, {
 212                 .name = "linux kernel(spi)",
 213                 .size = 0x1c0000,
 214                 .offset = 0x40000
 215         }
 216 };
 217
 218 static struct flash_platform_data bfin_spi_flash_data = {
 219         .name = "m25p80",
 220         .parts = bfin_spi_flash_partitions,
 221         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 222         .type = "m25p16",
 223 };
 224
 225 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 226         .enable_dma = 0,         /* use dma transfer with this chip*/
 227         .bits_per_word = 8,
 228         .cs_change_per_word = 0,
 229 };
 230 #endif
 231
 232 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
 233 #include <linux/spi/ad7879.h>
 234 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 235         .model                  = 7879, /* Model = AD7879 */
 236         .x_plate_ohms           = 620,  /* 620 Ohm from the touch datasheet */
 237         .pressure_max           = 10000,
 238         .pressure_min           = 0,
 239         .first_conversion_delay = 3,    /* wait 512us before do a first conversion */
 240         .acquisition_time       = 1,    /* 4us acquisition time per sample */
 241         .median                 = 2,    /* do 8 measurements */
 242         .averaging              = 1,    /* take the average of 4 middle samples */
 243         .pen_down_acc_interval  = 255,  /* 9.4 ms */
 244         .gpio_output            = 1,    /* configure AUX/VBAT/GPIO as GPIO output */
 245         .gpio_default           = 1,    /* During initialization set GPIO = HIGH */
 246 };
 247 #endif
 248
 249 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
 250 static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
 251         .enable_dma = 0,
 252         .bits_per_word = 16,
 253 };
 254 #endif
 255
 256 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 257 #include <asm/bfin-lq035q1.h>
 258
 259 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
 260         .mode =         LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
 261         .use_bl =       0,      /* let something else control the LCD Blacklight */
 262         .gpio_bl =      GPIO_PF7,
 263 };
 264
 265 static struct resource bfin_lq035q1_resources[] = {
 266         {
 267                 .start = IRQ_PPI_ERROR,
 268                 .end = IRQ_PPI_ERROR,
 269                 .flags = IORESOURCE_IRQ,
 270         },
 271 };
 272
 273 static struct platform_device bfin_lq035q1_device = {
 274         .name           = "bfin-lq035q1",
 275         .id             = -1,
 276         .num_resources  = ARRAY_SIZE(bfin_lq035q1_resources),
 277         .resource       = bfin_lq035q1_resources,
 278         .dev            = {
 279                 .platform_data = &bfin_lq035q1_data,
 280         },
 281 };
 282 #endif
 283
 284 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 285 static struct bfin5xx_spi_chip spidev_chip_info = {
 286         .enable_dma = 0,
 287         .bits_per_word = 8,
 288 };
 289 #endif
 290
 291 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 292 static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
 293         .enable_dma     = 0,
 294         .bits_per_word  = 8,
 295 };
 296 #endif
 297
 298 static struct spi_board_info bf538_spi_board_info[] __initdata = {
 299 #if defined(CONFIG_MTD_M25P80) \
 300         || defined(CONFIG_MTD_M25P80_MODULE)
 301         {
 302                 /* the modalias must be the same as spi device driver name */
 303                 .modalias = "m25p80", /* Name of spi_driver for this device */
 304                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 305                 .bus_num = 0, /* Framework bus number */
 306                 .chip_select = 1, /* SPI_SSEL1*/
 307                 .platform_data = &bfin_spi_flash_data,
 308                 .controller_data = &spi_flash_chip_info,
 309                 .mode = SPI_MODE_3,
 310         },
 311 #endif
 312 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
 313         {
 314                 .modalias = "ad7879",
 315                 .platform_data = &bfin_ad7879_ts_info,
 316                 .irq = IRQ_PF3,
 317                 .max_speed_hz = 5000000,     /* max spi clock (SCK) speed in HZ */
 318                 .bus_num = 0,
 319                 .chip_select = 1,
 320                 .controller_data = &spi_ad7879_chip_info,
 321                 .mode = SPI_CPHA | SPI_CPOL,
 322         },
 323 #endif
 324 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 325         {
 326                 .modalias = "bfin-lq035q1-spi",
 327                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 328                 .bus_num = 0,
 329                 .chip_select = 2,
 330                 .controller_data = &lq035q1_spi_chip_info,
 331                 .mode = SPI_CPHA | SPI_CPOL,
 332         },
 333 #endif
 334 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 335         {
 336                 .modalias = "spidev",
 337                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 338                 .bus_num = 0,
 339                 .chip_select = 1,
 340                 .controller_data = &spidev_chip_info,
 341         },
 342 #endif
 343 };
 344
 345 /* SPI (0) */
 346 static struct resource bfin_spi0_resource[] = {
 347         [0] = {
 348                 .start = SPI0_REGBASE,
 349                 .end   = SPI0_REGBASE + 0xFF,
 350                 .flags = IORESOURCE_MEM,
 351         },
 352         [1] = {
 353                 .start = CH_SPI0,
 354                 .end   = CH_SPI0,
 355                 .flags = IORESOURCE_IRQ,
 356         }
 357 };
 358
 359 /* SPI (1) */
 360 static struct resource bfin_spi1_resource[] = {
 361         [0] = {
 362                 .start = SPI1_REGBASE,
 363                 .end   = SPI1_REGBASE + 0xFF,
 364                 .flags = IORESOURCE_MEM,
 365         },
 366         [1] = {
 367                 .start = CH_SPI1,
 368                 .end   = CH_SPI1,
 369                 .flags = IORESOURCE_IRQ,
 370         }
 371 };
 372
 373 /* SPI (2) */
 374 static struct resource bfin_spi2_resource[] = {
 375         [0] = {
 376                 .start = SPI2_REGBASE,
 377                 .end   = SPI2_REGBASE + 0xFF,
 378                 .flags = IORESOURCE_MEM,
 379         },
 380         [1] = {
 381                 .start = CH_SPI2,
 382                 .end   = CH_SPI2,
 383                 .flags = IORESOURCE_IRQ,
 384         }
 385 };
 386
 387 /* SPI controller data */
 388 static struct bfin5xx_spi_master bf538_spi_master_info0 = {
 389         .num_chipselect = 8,
 390         .enable_dma = 1,  /* master has the ability to do dma transfer */
 391         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 392 };
 393
 394 static struct platform_device bf538_spi_master0 = {
 395         .name = "bfin-spi",
 396         .id = 0, /* Bus number */
 397         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 398         .resource = bfin_spi0_resource,
 399         .dev = {
 400                 .platform_data = &bf538_spi_master_info0, /* Passed to driver */
 401                 },
 402 };
 403
 404 static struct bfin5xx_spi_master bf538_spi_master_info1 = {
 405         .num_chipselect = 8,
 406         .enable_dma = 1,  /* master has the ability to do dma transfer */
 407         .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
 408 };
 409
 410 static struct platform_device bf538_spi_master1 = {
 411         .name = "bfin-spi",
 412         .id = 1, /* Bus number */
 413         .num_resources = ARRAY_SIZE(bfin_spi1_resource),
 414         .resource = bfin_spi1_resource,
 415         .dev = {
 416                 .platform_data = &bf538_spi_master_info1, /* Passed to driver */
 417                 },
 418 };
 419
 420 static struct bfin5xx_spi_master bf538_spi_master_info2 = {
 421         .num_chipselect = 8,
 422         .enable_dma = 1,  /* master has the ability to do dma transfer */
 423         .pin_req = {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0},
 424 };
 425
 426 static struct platform_device bf538_spi_master2 = {
 427         .name = "bfin-spi",
 428         .id = 2, /* Bus number */
 429         .num_resources = ARRAY_SIZE(bfin_spi2_resource),
 430         .resource = bfin_spi2_resource,
 431         .dev = {
 432                 .platform_data = &bf538_spi_master_info2, /* Passed to driver */
 433                 },
 434 };
 435
 436 #endif  /* spi master and devices */
 437
 438 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 439 static struct resource bfin_twi0_resource[] = {
 440         [0] = {
 441                 .start = TWI0_REGBASE,
 442                 .end   = TWI0_REGBASE + 0xFF,
 443                 .flags = IORESOURCE_MEM,
 444         },
 445         [1] = {
 446                 .start = IRQ_TWI0,
 447                 .end   = IRQ_TWI0,
 448                 .flags = IORESOURCE_IRQ,
 449         },
 450 };
 451
 452 static struct platform_device i2c_bfin_twi0_device = {
 453         .name = "i2c-bfin-twi",
 454         .id = 0,
 455         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 456         .resource = bfin_twi0_resource,
 457 };
 458
 459 #if !defined(CONFIG_BF542)      /* The BF542 only has 1 TWI */
 460 static struct resource bfin_twi1_resource[] = {
 461         [0] = {
 462                 .start = TWI1_REGBASE,
 463                 .end   = TWI1_REGBASE + 0xFF,
 464                 .flags = IORESOURCE_MEM,
 465         },
 466         [1] = {
 467                 .start = IRQ_TWI1,
 468                 .end   = IRQ_TWI1,
 469                 .flags = IORESOURCE_IRQ,
 470         },
 471 };
 472
 473 static struct platform_device i2c_bfin_twi1_device = {
 474         .name = "i2c-bfin-twi",
 475         .id = 1,
 476         .num_resources = ARRAY_SIZE(bfin_twi1_resource),
 477         .resource = bfin_twi1_resource,
 478 };
 479 #endif
 480 #endif
 481
 482 static struct resource bfin_gpios_resources = {
 483         .start = 0,
 484         .end   = MAX_BLACKFIN_GPIOS - 1,
 485         .flags = IORESOURCE_IRQ,
 486 };
 487
 488 static struct platform_device bfin_gpios_device = {
 489         .name = "simple-gpio",
 490         .id = -1,
 491         .num_resources = 1,
 492         .resource = &bfin_gpios_resources,
 493 };
 494
 495 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 496 #include <linux/gpio_keys.h>
 497
 498 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 499         {BTN_0, GPIO_PC7, 1, "gpio-keys: BTN0"},
 500 };
 501
 502 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 503         .buttons        = bfin_gpio_keys_table,
 504         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 505 };
 506
 507 static struct platform_device bfin_device_gpiokeys = {
 508         .name      = "gpio-keys",
 509         .dev = {
 510                 .platform_data = &bfin_gpio_keys_data,
 511         },
 512 };
 513 #endif
 514
 515 static const unsigned int cclk_vlev_datasheet[] =
 516 {
 517 /*
 518  * Internal VLEV BF538SBBC1533
 519  ****temporarily using these values until data sheet is updated
 520  */
 521         VRPAIR(VLEV_100, 150000000),
 522         VRPAIR(VLEV_100, 250000000),
 523         VRPAIR(VLEV_110, 276000000),
 524         VRPAIR(VLEV_115, 301000000),
 525         VRPAIR(VLEV_120, 525000000),
 526         VRPAIR(VLEV_125, 550000000),
 527         VRPAIR(VLEV_130, 600000000),
 528 };
 529
 530 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 531         .tuple_tab = cclk_vlev_datasheet,
 532         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 533         .vr_settling_time = 25 /* us */,
 534 };
 535
 536 static struct platform_device bfin_dpmc = {
 537         .name = "bfin dpmc",
 538         .dev = {
 539                 .platform_data = &bfin_dmpc_vreg_data,
 540         },
 541 };
 542
 543 static struct platform_device *cm_bf538_devices[] __initdata = {
 544
 545         &bfin_dpmc,
 546
 547 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 548         &rtc_device,
 549 #endif
 550
 551 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 552         &bfin_uart_device,
 553 #endif
 554
 555 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 556         &bf538_spi_master0,
 557         &bf538_spi_master1,
 558         &bf538_spi_master2,
 559 #endif
 560
 561 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
 562         &i2c_bfin_twi0_device,
 563         &i2c_bfin_twi1_device,
 564 #endif
 565
 566 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 567 #ifdef CONFIG_BFIN_SIR0
 568         &bfin_sir0_device,
 569 #endif
 570 #ifdef CONFIG_BFIN_SIR1
 571         &bfin_sir1_device,
 572 #endif
 573 #ifdef CONFIG_BFIN_SIR2
 574         &bfin_sir2_device,
 575 #endif
 576 #endif
 577
 578 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 579         &smc91x_device,
 580 #endif
 581
 582 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
 583         &bfin_lq035q1_device,
 584 #endif
 585
 586 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 587         &bfin_device_gpiokeys,
 588 #endif
 589
 590         &bfin_gpios_device,
 591 };
 592
 593 static int __init ezkit_init(void)
 594 {
 595         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 596         platform_add_devices(cm_bf538_devices, ARRAY_SIZE(cm_bf538_devices));
 597
 598 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 599         spi_register_board_info(bf538_spi_board_info,
 600                         ARRAY_SIZE(bf538_spi_board_info));
 601 #endif
 602
 603         return 0;
 604 }
 605
 606 arch_initcall(ezkit_init);