arch/blackfin/mach-bf561/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/physmap.h>
  14 #include <linux/spi/spi.h>
  15 #include <linux/irq.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/delay.h>
  18 #include <asm/dma.h>
  19 #include <asm/bfin5xx_spi.h>
  20 #include <asm/portmux.h>
  21 #include <asm/dpmc.h>
  22
  23 /*
  24  * Name the Board for the /proc/cpuinfo
  25  */
  26 const char bfin_board_name[] = "ADI BF561-EZKIT";
  27
  28 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  29 #include <linux/usb/isp1760.h>
  30 static struct resource bfin_isp1760_resources[] = {
  31         [0] = {
  32                 .start  = 0x2C0F0000,
  33                 .end    = 0x203C0000 + 0xfffff,
  34                 .flags  = IORESOURCE_MEM,
  35         },
  36         [1] = {
  37                 .start  = IRQ_PF10,
  38                 .end    = IRQ_PF10,
  39                 .flags  = IORESOURCE_IRQ,
  40         },
  41 };
  42
  43 static struct isp1760_platform_data isp1760_priv = {
  44         .is_isp1761 = 0,
  45         .bus_width_16 = 1,
  46         .port1_otg = 0,
  47         .analog_oc = 0,
  48         .dack_polarity_high = 0,
  49         .dreq_polarity_high = 0,
  50 };
  51
  52 static struct platform_device bfin_isp1760_device = {
  53         .name           = "isp1760",
  54         .id             = 0,
  55         .dev = {
  56                 .platform_data = &isp1760_priv,
  57         },
  58         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
  59         .resource       = bfin_isp1760_resources,
  60 };
  61 #endif
  62
  63 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  64 #include <linux/usb/isp1362.h>
  65
  66 static struct resource isp1362_hcd_resources[] = {
  67         {
  68                 .start = 0x2c060000,
  69                 .end = 0x2c060000,
  70                 .flags = IORESOURCE_MEM,
  71         }, {
  72                 .start = 0x2c060004,
  73                 .end = 0x2c060004,
  74                 .flags = IORESOURCE_MEM,
  75         }, {
  76                 .start = IRQ_PF8,
  77                 .end = IRQ_PF8,
  78                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
  79         },
  80 };
  81
  82 static struct isp1362_platform_data isp1362_priv = {
  83         .sel15Kres = 1,
  84         .clknotstop = 0,
  85         .oc_enable = 0,
  86         .int_act_high = 0,
  87         .int_edge_triggered = 0,
  88         .remote_wakeup_connected = 0,
  89         .no_power_switching = 1,
  90         .power_switching_mode = 0,
  91 };
  92
  93 static struct platform_device isp1362_hcd_device = {
  94         .name = "isp1362-hcd",
  95         .id = 0,
  96         .dev = {
  97                 .platform_data = &isp1362_priv,
  98         },
  99         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 100         .resource = isp1362_hcd_resources,
 101 };
 102 #endif
 103
 104 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 105 static struct resource net2272_bfin_resources[] = {
 106         {
 107                 .start = 0x2C000000,
 108                 .end = 0x2C000000 + 0x7F,
 109                 .flags = IORESOURCE_MEM,
 110         }, {
 111                 .start = IRQ_PF10,
 112                 .end = IRQ_PF10,
 113                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 114         },
 115 };
 116
 117 static struct platform_device net2272_bfin_device = {
 118         .name = "net2272",
 119         .id = -1,
 120         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 121         .resource = net2272_bfin_resources,
 122 };
 123 #endif
 124
 125 /*
 126  *  USB-LAN EzExtender board
 127  *  Driver needs to know address, irq and flag pin.
 128  */
 129 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 130 #include <linux/smc91x.h>
 131
 132 static struct smc91x_platdata smc91x_info = {
 133         .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
 134         .leda = RPC_LED_100_10,
 135         .ledb = RPC_LED_TX_RX,
 136 };
 137
 138 static struct resource smc91x_resources[] = {
 139         {
 140                 .name = "smc91x-regs",
 141                 .start = 0x2C010300,
 142                 .end = 0x2C010300 + 16,
 143                 .flags = IORESOURCE_MEM,
 144         }, {
 145
 146                 .start = IRQ_PF9,
 147                 .end = IRQ_PF9,
 148                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 149         },
 150 };
 151
 152 static struct platform_device smc91x_device = {
 153         .name = "smc91x",
 154         .id = 0,
 155         .num_resources = ARRAY_SIZE(smc91x_resources),
 156         .resource = smc91x_resources,
 157         .dev    = {
 158                 .platform_data  = &smc91x_info,
 159         },
 160 };
 161 #endif
 162
 163 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 164 #ifdef CONFIG_SERIAL_BFIN_UART0
 165 static struct resource bfin_uart0_resources[] = {
 166         {
 167                 .start = BFIN_UART_THR,
 168                 .end = BFIN_UART_GCTL+2,
 169                 .flags = IORESOURCE_MEM,
 170         },
 171         {
 172                 .start = IRQ_UART_RX,
 173                 .end = IRQ_UART_RX+1,
 174                 .flags = IORESOURCE_IRQ,
 175         },
 176         {
 177                 .start = IRQ_UART_ERROR,
 178                 .end = IRQ_UART_ERROR,
 179                 .flags = IORESOURCE_IRQ,
 180         },
 181         {
 182                 .start = CH_UART_TX,
 183                 .end = CH_UART_TX,
 184                 .flags = IORESOURCE_DMA,
 185         },
 186         {
 187                 .start = CH_UART_RX,
 188                 .end = CH_UART_RX,
 189                 .flags = IORESOURCE_DMA,
 190         },
 191 };
 192
 193 static unsigned short bfin_uart0_peripherals[] = {
 194         P_UART0_TX, P_UART0_RX, 0
 195 };
 196
 197 static struct platform_device bfin_uart0_device = {
 198         .name = "bfin-uart",
 199         .id = 0,
 200         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 201         .resource = bfin_uart0_resources,
 202         .dev = {
 203                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 204         },
 205 };
 206 #endif
 207 #endif
 208
 209 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 210 #ifdef CONFIG_BFIN_SIR0
 211 static struct resource bfin_sir0_resources[] = {
 212         {
 213                 .start = 0xFFC00400,
 214                 .end = 0xFFC004FF,
 215                 .flags = IORESOURCE_MEM,
 216         },
 217         {
 218                 .start = IRQ_UART0_RX,
 219                 .end = IRQ_UART0_RX+1,
 220                 .flags = IORESOURCE_IRQ,
 221         },
 222         {
 223                 .start = CH_UART0_RX,
 224                 .end = CH_UART0_RX+1,
 225                 .flags = IORESOURCE_DMA,
 226         },
 227 };
 228
 229 static struct platform_device bfin_sir0_device = {
 230         .name = "bfin_sir",
 231         .id = 0,
 232         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 233         .resource = bfin_sir0_resources,
 234 };
 235 #endif
 236 #endif
 237
 238 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 239 static struct mtd_partition ezkit_partitions[] = {
 240         {
 241                 .name       = "bootloader(nor)",
 242                 .size       = 0x40000,
 243                 .offset     = 0,
 244         }, {
 245                 .name       = "linux kernel(nor)",
 246                 .size       = 0x1C0000,
 247                 .offset     = MTDPART_OFS_APPEND,
 248         }, {
 249                 .name       = "file system(nor)",
 250                 .size       = MTDPART_SIZ_FULL,
 251                 .offset     = MTDPART_OFS_APPEND,
 252         }
 253 };
 254
 255 static struct physmap_flash_data ezkit_flash_data = {
 256         .width      = 2,
 257         .parts      = ezkit_partitions,
 258         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 259 };
 260
 261 static struct resource ezkit_flash_resource = {
 262         .start = 0x20000000,
 263         .end   = 0x207fffff,
 264         .flags = IORESOURCE_MEM,
 265 };
 266
 267 static struct platform_device ezkit_flash_device = {
 268         .name          = "physmap-flash",
 269         .id            = 0,
 270         .dev = {
 271                 .platform_data = &ezkit_flash_data,
 272         },
 273         .num_resources = 1,
 274         .resource      = &ezkit_flash_resource,
 275 };
 276 #endif
 277
 278 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
 279         || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 280 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 281         .enable_dma = 0,
 282         .bits_per_word = 16,
 283 };
 284 #endif
 285
 286 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 287 static struct bfin5xx_spi_chip spidev_chip_info = {
 288         .enable_dma = 0,
 289         .bits_per_word = 8,
 290 };
 291 #endif
 292
 293 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 294 /* SPI (0) */
 295 static struct resource bfin_spi0_resource[] = {
 296         [0] = {
 297                 .start = SPI0_REGBASE,
 298                 .end   = SPI0_REGBASE + 0xFF,
 299                 .flags = IORESOURCE_MEM,
 300         },
 301         [1] = {
 302                 .start = CH_SPI,
 303                 .end   = CH_SPI,
 304                 .flags = IORESOURCE_DMA,
 305         },
 306         [2] = {
 307                 .start = IRQ_SPI,
 308                 .end   = IRQ_SPI,
 309                 .flags = IORESOURCE_IRQ,
 310         }
 311 };
 312
 313 /* SPI controller data */
 314 static struct bfin5xx_spi_master bfin_spi0_info = {
 315         .num_chipselect = 8,
 316         .enable_dma = 1,  /* master has the ability to do dma transfer */
 317         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 318 };
 319
 320 static struct platform_device bfin_spi0_device = {
 321         .name = "bfin-spi",
 322         .id = 0, /* Bus number */
 323         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 324         .resource = bfin_spi0_resource,
 325         .dev = {
 326                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 327         },
 328 };
 329 #endif
 330
 331 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 332 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
 333         || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 334         {
 335                 .modalias = "ad183x",
 336                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 337                 .bus_num = 0,
 338                 .chip_select = 4,
 339                 .platform_data = "ad1836", /* only includes chip name for the moment */
 340                 .controller_data = &ad1836_spi_chip_info,
 341                 .mode = SPI_MODE_3,
 342         },
 343 #endif
 344 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 345         {
 346                 .modalias = "spidev",
 347                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 348                 .bus_num = 0,
 349                 .chip_select = 1,
 350                 .controller_data = &spidev_chip_info,
 351         },
 352 #endif
 353 };
 354
 355 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 356 #include <linux/input.h>
 357 #include <linux/gpio_keys.h>
 358
 359 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 360         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 361         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 362         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
 363         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
 364 };
 365
 366 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 367         .buttons        = bfin_gpio_keys_table,
 368         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 369 };
 370
 371 static struct platform_device bfin_device_gpiokeys = {
 372         .name      = "gpio-keys",
 373         .dev = {
 374                 .platform_data = &bfin_gpio_keys_data,
 375         },
 376 };
 377 #endif
 378
 379 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 380 #include <linux/i2c-gpio.h>
 381
 382 static struct i2c_gpio_platform_data i2c_gpio_data = {
 383         .sda_pin                = GPIO_PF1,
 384         .scl_pin                = GPIO_PF0,
 385         .sda_is_open_drain      = 0,
 386         .scl_is_open_drain      = 0,
 387         .udelay                 = 40,
 388 };
 389
 390 static struct platform_device i2c_gpio_device = {
 391         .name           = "i2c-gpio",
 392         .id             = 0,
 393         .dev            = {
 394                 .platform_data  = &i2c_gpio_data,
 395         },
 396 };
 397 #endif
 398
 399 static const unsigned int cclk_vlev_datasheet[] =
 400 {
 401         VRPAIR(VLEV_085, 250000000),
 402         VRPAIR(VLEV_090, 300000000),
 403         VRPAIR(VLEV_095, 313000000),
 404         VRPAIR(VLEV_100, 350000000),
 405         VRPAIR(VLEV_105, 400000000),
 406         VRPAIR(VLEV_110, 444000000),
 407         VRPAIR(VLEV_115, 450000000),
 408         VRPAIR(VLEV_120, 475000000),
 409         VRPAIR(VLEV_125, 500000000),
 410         VRPAIR(VLEV_130, 600000000),
 411 };
 412
 413 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 414         .tuple_tab = cclk_vlev_datasheet,
 415         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 416         .vr_settling_time = 25 /* us */,
 417 };
 418
 419 static struct platform_device bfin_dpmc = {
 420         .name = "bfin dpmc",
 421         .dev = {
 422                 .platform_data = &bfin_dmpc_vreg_data,
 423         },
 424 };
 425
 426 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
 427 static struct platform_device bfin_i2s = {
 428         .name = "bfin-i2s",
 429         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 430         /* TODO: add platform data here */
 431 };
 432 #endif
 433
 434 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 435 static struct platform_device bfin_tdm = {
 436         .name = "bfin-tdm",
 437         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 438         /* TODO: add platform data here */
 439 };
 440 #endif
 441
 442 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
 443 static struct platform_device bfin_ac97 = {
 444         .name = "bfin-ac97",
 445         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 446         /* TODO: add platform data here */
 447 };
 448 #endif
 449
 450 static struct platform_device *ezkit_devices[] __initdata = {
 451
 452         &bfin_dpmc,
 453
 454 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 455         &smc91x_device,
 456 #endif
 457
 458 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 459         &net2272_bfin_device,
 460 #endif
 461
 462 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
 463         &bfin_isp1760_device,
 464 #endif
 465
 466 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 467         &bfin_spi0_device,
 468 #endif
 469
 470 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 471 #ifdef CONFIG_SERIAL_BFIN_UART0
 472         &bfin_uart0_device,
 473 #endif
 474 #endif
 475
 476 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 477 #ifdef CONFIG_BFIN_SIR0
 478         &bfin_sir0_device,
 479 #endif
 480 #endif
 481
 482 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 483         &bfin_device_gpiokeys,
 484 #endif
 485
 486 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 487         &i2c_gpio_device,
 488 #endif
 489
 490 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 491         &isp1362_hcd_device,
 492 #endif
 493
 494 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 495         &ezkit_flash_device,
 496 #endif
 497
 498 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
 499         &bfin_i2s,
 500 #endif
 501
 502 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 503         &bfin_tdm,
 504 #endif
 505
 506 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
 507         &bfin_ac97,
 508 #endif
 509 };
 510
 511 static int __init ezkit_init(void)
 512 {
 513         int ret;
 514
 515         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 516
 517         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 518         if (ret < 0)
 519                 return ret;
 520
 521 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 522         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 523         SSYNC();
 524 #endif
 525
 526 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 527         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
 528         bfin_write_FIO0_FLAG_S(1 << 15);
 529         SSYNC();
 530         /*
 531          * This initialization lasts for approximately 4500 MCLKs.
 532          * MCLK = 12.288MHz
 533          */
 534         udelay(400);
 535 #endif
 536
 537         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 538         return 0;
 539 }
 540
 541 arch_initcall(ezkit_init);
 542
 543 static struct platform_device *ezkit_early_devices[] __initdata = {
 544 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 545 #ifdef CONFIG_SERIAL_BFIN_UART0
 546         &bfin_uart0_device,
 547 #endif
 548 #endif
 549 };
 550
 551 void __init native_machine_early_platform_add_devices(void)
 552 {
 553         printk(KERN_INFO "register early platform devices\n");
 554         early_platform_add_devices(ezkit_early_devices,
 555                 ARRAY_SIZE(ezkit_early_devices));
 556 }