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/mtd/physmap.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  18 #include <linux/usb/isp1362.h>
  19 #endif
  20 #include <linux/irq.h>
  21 #include <linux/i2c.h>
  22 #include <asm/dma.h>
  23 #include <asm/bfin5xx_spi.h>
  24 #include <asm/portmux.h>
  25 #include <asm/dpmc.h>
  26
  27 /*
  28  * Name the Board for the /proc/cpuinfo
  29  */
  30 const char bfin_board_name[] = "ADI BF533-EZKIT";
  31
  32 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  33 static struct platform_device rtc_device = {
  34         .name = "rtc-bfin",
  35         .id   = -1,
  36 };
  37 #endif
  38
  39 /*
  40  *  USB-LAN EzExtender board
  41  *  Driver needs to know address, irq and flag pin.
  42  */
  43 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  44 #include <linux/smc91x.h>
  45
  46 static struct smc91x_platdata smc91x_info = {
  47         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  48         .leda = RPC_LED_100_10,
  49         .ledb = RPC_LED_TX_RX,
  50 };
  51
  52 static struct resource smc91x_resources[] = {
  53         {
  54                 .name = "smc91x-regs",
  55                 .start = 0x20310300,
  56                 .end = 0x20310300 + 16,
  57                 .flags = IORESOURCE_MEM,
  58         }, {
  59                 .start = IRQ_PF9,
  60                 .end = IRQ_PF9,
  61                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  62         },
  63 };
  64 static struct platform_device smc91x_device = {
  65         .name = "smc91x",
  66         .id = 0,
  67         .num_resources = ARRAY_SIZE(smc91x_resources),
  68         .resource = smc91x_resources,
  69         .dev    = {
  70                 .platform_data  = &smc91x_info,
  71         },
  72 };
  73 #endif
  74
  75 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
  76 static struct mtd_partition ezkit_partitions_a[] = {
  77         {
  78                 .name       = "bootloader(nor a)",
  79                 .size       = 0x40000,
  80                 .offset     = 0,
  81         }, {
  82                 .name       = "linux kernel(nor a)",
  83                 .size       = MTDPART_SIZ_FULL,
  84                 .offset     = MTDPART_OFS_APPEND,
  85         },
  86 };
  87
  88 static struct physmap_flash_data ezkit_flash_data_a = {
  89         .width      = 2,
  90         .parts      = ezkit_partitions_a,
  91         .nr_parts   = ARRAY_SIZE(ezkit_partitions_a),
  92 };
  93
  94 static struct resource ezkit_flash_resource_a = {
  95         .start = 0x20000000,
  96         .end   = 0x200fffff,
  97         .flags = IORESOURCE_MEM,
  98 };
  99
 100 static struct platform_device ezkit_flash_device_a = {
 101         .name          = "physmap-flash",
 102         .id            = 0,
 103         .dev = {
 104                 .platform_data = &ezkit_flash_data_a,
 105         },
 106         .num_resources = 1,
 107         .resource      = &ezkit_flash_resource_a,
 108 };
 109
 110 static struct mtd_partition ezkit_partitions_b[] = {
 111         {
 112                 .name   = "file system(nor b)",
 113                 .size   = MTDPART_SIZ_FULL,
 114                 .offset = MTDPART_OFS_APPEND,
 115         },
 116 };
 117
 118 static struct physmap_flash_data ezkit_flash_data_b = {
 119         .width      = 2,
 120         .parts      = ezkit_partitions_b,
 121         .nr_parts   = ARRAY_SIZE(ezkit_partitions_b),
 122 };
 123
 124 static struct resource ezkit_flash_resource_b = {
 125         .start = 0x20100000,
 126         .end   = 0x201fffff,
 127         .flags = IORESOURCE_MEM,
 128 };
 129
 130 static struct platform_device ezkit_flash_device_b = {
 131         .name          = "physmap-flash",
 132         .id            = 4,
 133         .dev = {
 134                 .platform_data = &ezkit_flash_data_b,
 135         },
 136         .num_resources = 1,
 137         .resource      = &ezkit_flash_resource_b,
 138 };
 139 #endif
 140
 141 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 142 static struct platdata_mtd_ram sram_data_a = {
 143         .mapname   = "Flash A SRAM",
 144         .bankwidth = 2,
 145 };
 146
 147 static struct resource sram_resource_a = {
 148         .start = 0x20240000,
 149         .end   = 0x2024ffff,
 150         .flags = IORESOURCE_MEM,
 151 };
 152
 153 static struct platform_device sram_device_a = {
 154         .name          = "mtd-ram",
 155         .id            = 8,
 156         .dev = {
 157                 .platform_data = &sram_data_a,
 158         },
 159         .num_resources = 1,
 160         .resource      = &sram_resource_a,
 161 };
 162
 163 static struct platdata_mtd_ram sram_data_b = {
 164         .mapname   = "Flash B SRAM",
 165         .bankwidth = 2,
 166 };
 167
 168 static struct resource sram_resource_b = {
 169         .start = 0x202c0000,
 170         .end   = 0x202cffff,
 171         .flags = IORESOURCE_MEM,
 172 };
 173
 174 static struct platform_device sram_device_b = {
 175         .name          = "mtd-ram",
 176         .id            = 9,
 177         .dev = {
 178                 .platform_data = &sram_data_b,
 179         },
 180         .num_resources = 1,
 181         .resource      = &sram_resource_b,
 182 };
 183 #endif
 184
 185 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 186 static struct mtd_partition bfin_spi_flash_partitions[] = {
 187         {
 188                 .name = "bootloader(spi)",
 189                 .size = 0x00020000,
 190                 .offset = 0,
 191                 .mask_flags = MTD_CAP_ROM
 192         }, {
 193                 .name = "linux kernel(spi)",
 194                 .size = 0xe0000,
 195                 .offset = MTDPART_OFS_APPEND,
 196         }, {
 197                 .name = "file system(spi)",
 198                 .size = MTDPART_SIZ_FULL,
 199                 .offset = MTDPART_OFS_APPEND,
 200         }
 201 };
 202
 203 static struct flash_platform_data bfin_spi_flash_data = {
 204         .name = "m25p80",
 205         .parts = bfin_spi_flash_partitions,
 206         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 207         .type = "m25p64",
 208 };
 209
 210 /* SPI flash chip (m25p64) */
 211 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 212         .enable_dma = 0,         /* use dma transfer with this chip*/
 213         .bits_per_word = 8,
 214 };
 215 #endif
 216
 217 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 218 /* SPI ADC chip */
 219 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 220         .enable_dma = 1,         /* use dma transfer with this chip*/
 221         .bits_per_word = 16,
 222 };
 223 #endif
 224
 225 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 226 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 227         .enable_dma = 0,
 228         .bits_per_word = 16,
 229 };
 230 #endif
 231
 232 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 233 static struct bfin5xx_spi_chip spidev_chip_info = {
 234         .enable_dma = 0,
 235         .bits_per_word = 8,
 236 };
 237 #endif
 238
 239 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 240 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 241         {
 242                 /* the modalias must be the same as spi device driver name */
 243                 .modalias = "m25p80", /* Name of spi_driver for this device */
 244                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 245                 .bus_num = 0, /* Framework bus number */
 246                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 247                 .platform_data = &bfin_spi_flash_data,
 248                 .controller_data = &spi_flash_chip_info,
 249                 .mode = SPI_MODE_3,
 250         },
 251 #endif
 252
 253 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
 254         {
 255                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 256                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 257                 .bus_num = 0, /* Framework bus number */
 258                 .chip_select = 1, /* Framework chip select. */
 259                 .platform_data = NULL, /* No spi_driver specific config */
 260                 .controller_data = &spi_adc_chip_info,
 261         },
 262 #endif
 263
 264 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 265         {
 266                 .modalias = "ad183x",
 267                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 268                 .bus_num = 0,
 269                 .chip_select = 4,
 270                 .controller_data = &ad1836_spi_chip_info,
 271         },
 272 #endif
 273 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 274         {
 275                 .modalias = "spidev",
 276                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 277                 .bus_num = 0,
 278                 .chip_select = 1,
 279                 .controller_data = &spidev_chip_info,
 280         },
 281 #endif
 282 };
 283
 284 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 285 /* SPI (0) */
 286 static struct resource bfin_spi0_resource[] = {
 287         [0] = {
 288                 .start = SPI0_REGBASE,
 289                 .end   = SPI0_REGBASE + 0xFF,
 290                 .flags = IORESOURCE_MEM,
 291         },
 292         [1] = {
 293                 .start = CH_SPI,
 294                 .end   = CH_SPI,
 295                 .flags = IORESOURCE_DMA,
 296         },
 297         [2] = {
 298                 .start = IRQ_SPI,
 299                 .end   = IRQ_SPI,
 300                 .flags = IORESOURCE_IRQ,
 301         }
 302 };
 303
 304 /* SPI controller data */
 305 static struct bfin5xx_spi_master bfin_spi0_info = {
 306         .num_chipselect = 8,
 307         .enable_dma = 1,  /* master has the ability to do dma transfer */
 308         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 309 };
 310
 311 static struct platform_device bfin_spi0_device = {
 312         .name = "bfin-spi",
 313         .id = 0, /* Bus number */
 314         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 315         .resource = bfin_spi0_resource,
 316         .dev = {
 317                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 318         },
 319 };
 320 #endif  /* spi master and devices */
 321
 322 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 323 #ifdef CONFIG_SERIAL_BFIN_UART0
 324 static struct resource bfin_uart0_resources[] = {
 325         {
 326                 .start = BFIN_UART_THR,
 327                 .end = BFIN_UART_GCTL+2,
 328                 .flags = IORESOURCE_MEM,
 329         },
 330         {
 331                 .start = IRQ_UART0_RX,
 332                 .end = IRQ_UART0_RX + 1,
 333                 .flags = IORESOURCE_IRQ,
 334         },
 335         {
 336                 .start = IRQ_UART0_ERROR,
 337                 .end = IRQ_UART0_ERROR,
 338                 .flags = IORESOURCE_IRQ,
 339         },
 340         {
 341                 .start = CH_UART0_TX,
 342                 .end = CH_UART0_TX,
 343                 .flags = IORESOURCE_DMA,
 344         },
 345         {
 346                 .start = CH_UART0_RX,
 347                 .end = CH_UART0_RX,
 348                 .flags = IORESOURCE_DMA,
 349         },
 350 };
 351
 352 static unsigned short bfin_uart0_peripherals[] = {
 353         P_UART0_TX, P_UART0_RX, 0
 354 };
 355
 356 static struct platform_device bfin_uart0_device = {
 357         .name = "bfin-uart",
 358         .id = 0,
 359         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 360         .resource = bfin_uart0_resources,
 361         .dev = {
 362                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 363         },
 364 };
 365 #endif
 366 #endif
 367
 368 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 369 #ifdef CONFIG_BFIN_SIR0
 370 static struct resource bfin_sir0_resources[] = {
 371         {
 372                 .start = 0xFFC00400,
 373                 .end = 0xFFC004FF,
 374                 .flags = IORESOURCE_MEM,
 375         },
 376         {
 377                 .start = IRQ_UART0_RX,
 378                 .end = IRQ_UART0_RX+1,
 379                 .flags = IORESOURCE_IRQ,
 380         },
 381         {
 382                 .start = CH_UART0_RX,
 383                 .end = CH_UART0_RX+1,
 384                 .flags = IORESOURCE_DMA,
 385         },
 386 };
 387
 388 static struct platform_device bfin_sir0_device = {
 389         .name = "bfin_sir",
 390         .id = 0,
 391         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 392         .resource = bfin_sir0_resources,
 393 };
 394 #endif
 395 #endif
 396
 397 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 398 #include <linux/input.h>
 399 #include <linux/gpio_keys.h>
 400
 401 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 402         {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
 403         {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
 404         {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
 405         {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
 406 };
 407
 408 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 409         .buttons        = bfin_gpio_keys_table,
 410         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 411 };
 412
 413 static struct platform_device bfin_device_gpiokeys = {
 414         .name      = "gpio-keys",
 415         .dev = {
 416                 .platform_data = &bfin_gpio_keys_data,
 417         },
 418 };
 419 #endif
 420
 421 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 422 #include <linux/i2c-gpio.h>
 423
 424 static struct i2c_gpio_platform_data i2c_gpio_data = {
 425         .sda_pin                = GPIO_PF1,
 426         .scl_pin                = GPIO_PF0,
 427         .sda_is_open_drain      = 0,
 428         .scl_is_open_drain      = 0,
 429         .udelay                 = 40,
 430 };
 431
 432 static struct platform_device i2c_gpio_device = {
 433         .name           = "i2c-gpio",
 434         .id             = 0,
 435         .dev            = {
 436                 .platform_data  = &i2c_gpio_data,
 437         },
 438 };
 439 #endif
 440
 441 static const unsigned int cclk_vlev_datasheet[] =
 442 {
 443         VRPAIR(VLEV_085, 250000000),
 444         VRPAIR(VLEV_090, 376000000),
 445         VRPAIR(VLEV_095, 426000000),
 446         VRPAIR(VLEV_100, 426000000),
 447         VRPAIR(VLEV_105, 476000000),
 448         VRPAIR(VLEV_110, 476000000),
 449         VRPAIR(VLEV_115, 476000000),
 450         VRPAIR(VLEV_120, 600000000),
 451         VRPAIR(VLEV_125, 600000000),
 452         VRPAIR(VLEV_130, 600000000),
 453 };
 454
 455 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 456         .tuple_tab = cclk_vlev_datasheet,
 457         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 458         .vr_settling_time = 25 /* us */,
 459 };
 460
 461 static struct platform_device bfin_dpmc = {
 462         .name = "bfin dpmc",
 463         .dev = {
 464                 .platform_data = &bfin_dmpc_vreg_data,
 465         },
 466 };
 467
 468 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 469 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 470         {
 471                 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
 472         },
 473 #endif
 474 };
 475
 476 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
 477 static struct platform_device bfin_i2s = {
 478         .name = "bfin-i2s",
 479         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 480         /* TODO: add platform data here */
 481 };
 482 #endif
 483
 484 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 485 static struct platform_device bfin_tdm = {
 486         .name = "bfin-tdm",
 487         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 488         /* TODO: add platform data here */
 489 };
 490 #endif
 491
 492 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
 493 static struct platform_device bfin_ac97 = {
 494         .name = "bfin-ac97",
 495         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 496         /* TODO: add platform data here */
 497 };
 498 #endif
 499
 500 static struct platform_device *ezkit_devices[] __initdata = {
 501
 502         &bfin_dpmc,
 503
 504 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 505         &ezkit_flash_device_a,
 506         &ezkit_flash_device_b,
 507 #endif
 508
 509 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
 510         &sram_device_a,
 511         &sram_device_b,
 512 #endif
 513
 514 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 515         &smc91x_device,
 516 #endif
 517
 518 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 519         &bfin_spi0_device,
 520 #endif
 521
 522 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 523         &rtc_device,
 524 #endif
 525
 526 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 527 #ifdef CONFIG_SERIAL_BFIN_UART0
 528         &bfin_uart0_device,
 529 #endif
 530 #endif
 531
 532 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 533 #ifdef CONFIG_BFIN_SIR0
 534         &bfin_sir0_device,
 535 #endif
 536 #endif
 537
 538 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 539         &bfin_device_gpiokeys,
 540 #endif
 541
 542 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 543         &i2c_gpio_device,
 544 #endif
 545
 546 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
 547         &bfin_i2s,
 548 #endif
 549
 550 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 551         &bfin_tdm,
 552 #endif
 553
 554 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
 555         &bfin_ac97,
 556 #endif
 557 };
 558
 559 static int __init ezkit_init(void)
 560 {
 561         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 562         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 563         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 564         i2c_register_board_info(0, bfin_i2c_board_info,
 565                                 ARRAY_SIZE(bfin_i2c_board_info));
 566         return 0;
 567 }
 568
 569 arch_initcall(ezkit_init);
 570
 571 static struct platform_device *ezkit_early_devices[] __initdata = {
 572 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 573 #ifdef CONFIG_SERIAL_BFIN_UART0
 574         &bfin_uart0_device,
 575 #endif
 576 #endif
 577 };
 578
 579 void __init native_machine_early_platform_add_devices(void)
 580 {
 581         printk(KERN_INFO "register early platform devices\n");
 582         early_platform_add_devices(ezkit_early_devices,
 583                 ARRAY_SIZE(ezkit_early_devices));
 584 }