SAFE public projects git trees. - safe/jmp/linux-2.6/blob - arch/blackfin/mach-bf533/boards/ezkit.c

   1 /*
   2  * Copyright 2004-2009 Analog Devices Inc.
   3  *                2005 National ICT Australia (NICTA)
   4  *                      Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #include <linux/device.h>
  10 #include <linux/platform_device.h>
  11 #include <linux/mtd/mtd.h>
  12 #include <linux/mtd/partitions.h>
  13 #include <linux/mtd/plat-ram.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/spi/flash.h>
  16 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  17 #include <linux/usb/isp1362.h>
  18 #endif
  19 #include <linux/irq.h>
  20 #include <linux/i2c.h>
  21 #include <asm/dma.h>
  22 #include <asm/bfin5xx_spi.h>
  23 #include <asm/portmux.h>
  24 #include <asm/dpmc.h>
  25
  26 /*
  27  * Name the Board for the /proc/cpuinfo
  28  */
  29 const char bfin_board_name[] = "ADI BF533-EZKIT";
  30
  31 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  32 static struct platform_device rtc_device = {
  33         .name = "rtc-bfin",
  34         .id   = -1,
  35 };
  36 #endif
  37
  38 /*
  39  *  USB-LAN EzExtender board
  40  *  Driver needs to know address, irq and flag pin.
  41  */
  42 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  43 #include <linux/smc91x.h>
  44
  45 static struct smc91x_platdata smc91x_info = {
  46         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  47         .leda = RPC_LED_100_10,
  48         .ledb = RPC_LED_TX_RX,
  49 };
  50
  51 static struct resource smc91x_resources[] = {
  52         {
  53                 .name = "smc91x-regs",
  54                 .start = 0x20310300,
  55                 .end = 0x20310300 + 16,
  56                 .flags = IORESOURCE_MEM,
  57         }, {
  58                 .start = IRQ_PF9,
  59                 .end = IRQ_PF9,
  60                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  61         },
  62 };
  63 static struct platform_device smc91x_device = {
  64         .name = "smc91x",
  65         .id = 0,
  66         .num_resources = ARRAY_SIZE(smc91x_resources),
  67         .resource = smc91x_resources,
  68         .dev    = {
  69                 .platform_data  = &smc91x_info,
  70         },
  71 };
  72 #endif
  73
  74 #if defined(CONFIG_MTD_PSD4256G) || defined(CONFIG_MTD_PSD4256G_MODULE)
  75 static const char *map_probes[] = {
  76         "stm_flash",
  77         NULL,
  78 };
  79
  80 static struct platdata_mtd_ram stm_pri_data_a = {
  81         .mapname    = "Flash A Primary",
  82         .map_probes = map_probes,
  83         .bankwidth  = 2,
  84 };
  85
  86 static struct resource stm_pri_resource_a = {
  87         .start = 0x20000000,
  88         .end   = 0x200fffff,
  89         .flags = IORESOURCE_MEM,
  90 };
  91
  92 static struct platform_device stm_pri_device_a = {
  93         .name          = "mtd-ram",
  94         .id            = 0,
  95         .dev = {
  96                 .platform_data = &stm_pri_data_a,
  97         },
  98         .num_resources = 1,
  99         .resource      = &stm_pri_resource_a,
 100 };
 101
 102 static struct platdata_mtd_ram stm_pri_data_b = {
 103         .mapname    = "Flash B Primary",
 104         .map_probes = map_probes,
 105         .bankwidth  = 2,
 106 };
 107
 108 static struct resource stm_pri_resource_b = {
 109         .start = 0x20100000,
 110         .end   = 0x201fffff,
 111         .flags = IORESOURCE_MEM,
 112 };
 113
 114 static struct platform_device stm_pri_device_b = {
 115         .name          = "mtd-ram",
 116         .id            = 4,
 117         .dev = {
 118                 .platform_data = &stm_pri_data_b,
 119         },
 120         .num_resources = 1,
 121         .resource      = &stm_pri_resource_b,
 122 };
 123 #endif
 124
 125 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 126 static struct platdata_mtd_ram sram_data_a = {
 127         .mapname   = "Flash A SRAM",
 128         .bankwidth = 2,
 129 };
 130
 131 static struct resource sram_resource_a = {
 132         .start = 0x20240000,
 133         .end   = 0x2024ffff,
 134         .flags = IORESOURCE_MEM,
 135 };
 136
 137 static struct platform_device sram_device_a = {
 138         .name          = "mtd-ram",
 139         .id            = 8,
 140         .dev = {
 141                 .platform_data = &sram_data_a,
 142         },
 143         .num_resources = 1,
 144         .resource      = &sram_resource_a,
 145 };
 146
 147 static struct platdata_mtd_ram sram_data_b = {
 148         .mapname   = "Flash B SRAM",
 149         .bankwidth = 2,
 150 };
 151
 152 static struct resource sram_resource_b = {
 153         .start = 0x202c0000,
 154         .end   = 0x202cffff,
 155         .flags = IORESOURCE_MEM,
 156 };
 157
 158 static struct platform_device sram_device_b = {
 159         .name          = "mtd-ram",
 160         .id            = 9,
 161         .dev = {
 162                 .platform_data = &sram_data_b,
 163         },
 164         .num_resources = 1,
 165         .resource      = &sram_resource_b,
 166 };
 167 #endif
 168
 169 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 170 static struct mtd_partition bfin_spi_flash_partitions[] = {
 171         {
 172                 .name = "bootloader(spi)",
 173                 .size = 0x00020000,
 174                 .offset = 0,
 175                 .mask_flags = MTD_CAP_ROM
 176         }, {
 177                 .name = "linux kernel(spi)",
 178                 .size = 0xe0000,
 179                 .offset = MTDPART_OFS_APPEND,
 180         }, {
 181                 .name = "file system(spi)",
 182                 .size = MTDPART_SIZ_FULL,
 183                 .offset = MTDPART_OFS_APPEND,
 184         }
 185 };
 186
 187 static struct flash_platform_data bfin_spi_flash_data = {
 188         .name = "m25p80",
 189         .parts = bfin_spi_flash_partitions,
 190         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 191         .type = "m25p64",
 192 };
 193
 194 /* SPI flash chip (m25p64) */
 195 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 196         .enable_dma = 0,         /* use dma transfer with this chip*/
 197         .bits_per_word = 8,
 198 };
 199 #endif
 200
 201 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 202 /* SPI ADC chip */
 203 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 204         .enable_dma = 1,         /* use dma transfer with this chip*/
 205         .bits_per_word = 16,
 206 };
 207 #endif
 208
 209 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 210 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 211         .enable_dma = 0,
 212         .bits_per_word = 16,
 213 };
 214 #endif
 215
 216 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 217 static struct bfin5xx_spi_chip spidev_chip_info = {
 218         .enable_dma = 0,
 219         .bits_per_word = 8,
 220 };
 221 #endif
 222
 223 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 224 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 225         {
 226                 /* the modalias must be the same as spi device driver name */
 227                 .modalias = "m25p80", /* Name of spi_driver for this device */
 228                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 229                 .bus_num = 0, /* Framework bus number */
 230                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 231                 .platform_data = &bfin_spi_flash_data,
 232                 .controller_data = &spi_flash_chip_info,
 233                 .mode = SPI_MODE_3,
 234         },
 235 #endif
 236
 237 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 238         {
 239                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 240                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 241                 .bus_num = 0, /* Framework bus number */
 242                 .chip_select = 1, /* Framework chip select. */
 243                 .platform_data = NULL, /* No spi_driver specific config */
 244                 .controller_data = &spi_adc_chip_info,
 245         },
 246 #endif
 247
 248 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 249         {
 250                 .modalias = "ad1836",
 251                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 252                 .bus_num = 0,
 253                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 254                 .controller_data = &ad1836_spi_chip_info,
 255         },
 256 #endif
 257 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 258         {
 259                 .modalias = "spidev",
 260                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 261                 .bus_num = 0,
 262                 .chip_select = 1,
 263                 .controller_data = &spidev_chip_info,
 264         },
 265 #endif
 266 };
 267
 268 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 269 /* SPI (0) */
 270 static struct resource bfin_spi0_resource[] = {
 271         [0] = {
 272                 .start = SPI0_REGBASE,
 273                 .end   = SPI0_REGBASE + 0xFF,
 274                 .flags = IORESOURCE_MEM,
 275         },
 276         [1] = {
 277                 .start = CH_SPI,
 278                 .end   = CH_SPI,
 279                 .flags = IORESOURCE_DMA,
 280         },
 281         [2] = {
 282                 .start = IRQ_SPI,
 283                 .end   = IRQ_SPI,
 284                 .flags = IORESOURCE_IRQ,
 285         }
 286 };
 287
 288 /* SPI controller data */
 289 static struct bfin5xx_spi_master bfin_spi0_info = {
 290         .num_chipselect = 8,
 291         .enable_dma = 1,  /* master has the ability to do dma transfer */
 292         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 293 };
 294
 295 static struct platform_device bfin_spi0_device = {
 296         .name = "bfin-spi",
 297         .id = 0, /* Bus number */
 298         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 299         .resource = bfin_spi0_resource,
 300         .dev = {
 301                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 302         },
 303 };
 304 #endif  /* spi master and devices */
 305
 306 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 307 static struct resource bfin_uart_resources[] = {
 308         {
 309                 .start = 0xFFC00400,
 310                 .end = 0xFFC004FF,
 311                 .flags = IORESOURCE_MEM,
 312         },
 313 };
 314
 315 static struct platform_device bfin_uart_device = {
 316         .name = "bfin-uart",
 317         .id = 1,
 318         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 319         .resource = bfin_uart_resources,
 320 };
 321 #endif
 322
 323 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 324 #ifdef CONFIG_BFIN_SIR0
 325 static struct resource bfin_sir0_resources[] = {
 326         {
 327                 .start = 0xFFC00400,
 328                 .end = 0xFFC004FF,
 329                 .flags = IORESOURCE_MEM,
 330         },
 331         {
 332                 .start = IRQ_UART0_RX,
 333                 .end = IRQ_UART0_RX+1,
 334                 .flags = IORESOURCE_IRQ,
 335         },
 336         {
 337                 .start = CH_UART0_RX,
 338                 .end = CH_UART0_RX+1,
 339                 .flags = IORESOURCE_DMA,
 340         },
 341 };
 342
 343 static struct platform_device bfin_sir0_device = {
 344         .name = "bfin_sir",
 345         .id = 0,
 346         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 347         .resource = bfin_sir0_resources,
 348 };
 349 #endif
 350 #endif
 351
 352 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 353 #include <linux/input.h>
 354 #include <linux/gpio_keys.h>
 355
 356 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 357         {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
 358         {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
 359         {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
 360         {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
 361 };
 362
 363 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 364         .buttons        = bfin_gpio_keys_table,
 365         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 366 };
 367
 368 static struct platform_device bfin_device_gpiokeys = {
 369         .name      = "gpio-keys",
 370         .dev = {
 371                 .platform_data = &bfin_gpio_keys_data,
 372         },
 373 };
 374 #endif
 375
 376 static struct resource bfin_gpios_resources = {
 377         .start = 0,
 378         .end   = MAX_BLACKFIN_GPIOS - 1,
 379         .flags = IORESOURCE_IRQ,
 380 };
 381
 382 static struct platform_device bfin_gpios_device = {
 383         .name = "simple-gpio",
 384         .id = -1,
 385         .num_resources = 1,
 386         .resource = &bfin_gpios_resources,
 387 };
 388
 389 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 390 #include <linux/i2c-gpio.h>
 391
 392 static struct i2c_gpio_platform_data i2c_gpio_data = {
 393         .sda_pin                = 1,
 394         .scl_pin                = 0,
 395         .sda_is_open_drain      = 0,
 396         .scl_is_open_drain      = 0,
 397         .udelay                 = 40,
 398 };
 399
 400 static struct platform_device i2c_gpio_device = {
 401         .name           = "i2c-gpio",
 402         .id             = 0,
 403         .dev            = {
 404                 .platform_data  = &i2c_gpio_data,
 405         },
 406 };
 407 #endif
 408
 409 static const unsigned int cclk_vlev_datasheet[] =
 410 {
 411         VRPAIR(VLEV_085, 250000000),
 412         VRPAIR(VLEV_090, 376000000),
 413         VRPAIR(VLEV_095, 426000000),
 414         VRPAIR(VLEV_100, 426000000),
 415         VRPAIR(VLEV_105, 476000000),
 416         VRPAIR(VLEV_110, 476000000),
 417         VRPAIR(VLEV_115, 476000000),
 418         VRPAIR(VLEV_120, 600000000),
 419         VRPAIR(VLEV_125, 600000000),
 420         VRPAIR(VLEV_130, 600000000),
 421 };
 422
 423 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 424         .tuple_tab = cclk_vlev_datasheet,
 425         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 426         .vr_settling_time = 25 /* us */,
 427 };
 428
 429 static struct platform_device bfin_dpmc = {
 430         .name = "bfin dpmc",
 431         .dev = {
 432                 .platform_data = &bfin_dmpc_vreg_data,
 433         },
 434 };
 435
 436 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 437 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 438         {
 439                 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
 440         },
 441 #endif
 442 };
 443
 444 static struct platform_device *ezkit_devices[] __initdata = {
 445
 446         &bfin_dpmc,
 447
 448 #if defined(CONFIG_MTD_PSD4256G) || defined(CONFIG_MTD_PSD4256G_MODULE)
 449         &stm_pri_device_a,
 450         &stm_pri_device_b,
 451 #endif
 452
 453 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 454         &sram_device_a,
 455         &sram_device_b,
 456 #endif
 457
 458 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 459         &smc91x_device,
 460 #endif
 461
 462 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 463         &bfin_spi0_device,
 464 #endif
 465
 466 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 467         &rtc_device,
 468 #endif
 469
 470 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 471         &bfin_uart_device,
 472 #endif
 473
 474 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 475 #ifdef CONFIG_BFIN_SIR0
 476         &bfin_sir0_device,
 477 #endif
 478 #endif
 479
 480 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 481         &bfin_device_gpiokeys,
 482 #endif
 483
 484 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 485         &i2c_gpio_device,
 486 #endif
 487
 488         &bfin_gpios_device,
 489 };
 490
 491 static int __init ezkit_init(void)
 492 {
 493         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 494         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 495         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 496         i2c_register_board_info(0, bfin_i2c_board_info,
 497                                 ARRAY_SIZE(bfin_i2c_board_info));
 498         return 0;
 499 }
 500
 501 arch_initcall(ezkit_init);