arch/blackfin/mach-bf561/boards/ezkit.c

   1 /*
   2  * File:         arch/blackfin/mach-bf561/ezkit.c
   3  * Based on:
   4  * Author:
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2004-2006 Analog Devices Inc.
  11  *
  12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, see the file COPYING, or write
  26  * to the Free Software Foundation, Inc.,
  27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  28  */
  29
  30 #include <linux/device.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/mtd/mtd.h>
  33 #include <linux/mtd/partitions.h>
  34 #include <linux/mtd/physmap.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/irq.h>
  37 #include <linux/interrupt.h>
  38 #include <asm/dma.h>
  39 #include <asm/bfin5xx_spi.h>
  40 #include <asm/portmux.h>
  41 #include <asm/dpmc.h>
  42
  43 /*
  44  * Name the Board for the /proc/cpuinfo
  45  */
  46 const char bfin_board_name[] = "ADI BF561-EZKIT";
  47
  48 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  49 #include <linux/usb/isp1760.h>
  50 static struct resource bfin_isp1760_resources[] = {
  51         [0] = {
  52                 .start  = 0x2C0F0000,
  53                 .end    = 0x203C0000 + 0xfffff,
  54                 .flags  = IORESOURCE_MEM,
  55         },
  56         [1] = {
  57                 .start  = IRQ_PF10,
  58                 .end    = IRQ_PF10,
  59                 .flags  = IORESOURCE_IRQ,
  60         },
  61 };
  62
  63 static struct isp1760_platform_data isp1760_priv = {
  64         .is_isp1761 = 0,
  65         .bus_width_16 = 1,
  66         .port1_otg = 0,
  67         .analog_oc = 0,
  68         .dack_polarity_high = 0,
  69         .dreq_polarity_high = 0,
  70 };
  71
  72 static struct platform_device bfin_isp1760_device = {
  73         .name           = "isp1760-hcd",
  74         .id             = 0,
  75         .dev = {
  76                 .platform_data = &isp1760_priv,
  77         },
  78         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
  79         .resource       = bfin_isp1760_resources,
  80 };
  81 #endif
  82
  83 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  84 #include <linux/usb/isp1362.h>
  85
  86 static struct resource isp1362_hcd_resources[] = {
  87         {
  88                 .start = 0x2c060000,
  89                 .end = 0x2c060000,
  90                 .flags = IORESOURCE_MEM,
  91         }, {
  92                 .start = 0x2c060004,
  93                 .end = 0x2c060004,
  94                 .flags = IORESOURCE_MEM,
  95         }, {
  96                 .start = IRQ_PF8,
  97                 .end = IRQ_PF8,
  98                 .flags = IORESOURCE_IRQ,
  99         },
 100 };
 101
 102 static struct isp1362_platform_data isp1362_priv = {
 103         .sel15Kres = 1,
 104         .clknotstop = 0,
 105         .oc_enable = 0,
 106         .int_act_high = 0,
 107         .int_edge_triggered = 0,
 108         .remote_wakeup_connected = 0,
 109         .no_power_switching = 1,
 110         .power_switching_mode = 0,
 111 };
 112
 113 static struct platform_device isp1362_hcd_device = {
 114         .name = "isp1362-hcd",
 115         .id = 0,
 116         .dev = {
 117                 .platform_data = &isp1362_priv,
 118         },
 119         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
 120         .resource = isp1362_hcd_resources,
 121 };
 122 #endif
 123
 124 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 125 static struct resource net2272_bfin_resources[] = {
 126         {
 127                 .start = 0x2C000000,
 128                 .end = 0x2C000000 + 0x7F,
 129                 .flags = IORESOURCE_MEM,
 130         }, {
 131                 .start = IRQ_PF10,
 132                 .end = IRQ_PF10,
 133                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 134         },
 135 };
 136
 137 static struct platform_device net2272_bfin_device = {
 138         .name = "net2272",
 139         .id = -1,
 140         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 141         .resource = net2272_bfin_resources,
 142 };
 143 #endif
 144
 145 /*
 146  *  USB-LAN EzExtender board
 147  *  Driver needs to know address, irq and flag pin.
 148  */
 149 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 150 static struct resource smc91x_resources[] = {
 151         {
 152                 .name = "smc91x-regs",
 153                 .start = 0x2C010300,
 154                 .end = 0x2C010300 + 16,
 155                 .flags = IORESOURCE_MEM,
 156         }, {
 157
 158                 .start = IRQ_PF9,
 159                 .end = IRQ_PF9,
 160                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 161         },
 162 };
 163
 164 static struct platform_device smc91x_device = {
 165         .name = "smc91x",
 166         .id = 0,
 167         .num_resources = ARRAY_SIZE(smc91x_resources),
 168         .resource = smc91x_resources,
 169 };
 170 #endif
 171
 172 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 173 static struct resource ax88180_resources[] = {
 174         [0] = {
 175                 .start  = 0x2c000000,
 176                 .end    = 0x2c000000 + 0x8000,
 177                 .flags  = IORESOURCE_MEM,
 178         },
 179         [1] = {
 180                 .start  = IRQ_PF10,
 181                 .end    = IRQ_PF10,
 182                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
 183         },
 184 };
 185
 186 static struct platform_device ax88180_device = {
 187         .name           = "ax88180",
 188         .id             = -1,
 189         .num_resources  = ARRAY_SIZE(ax88180_resources),
 190         .resource       = ax88180_resources,
 191 };
 192 #endif
 193
 194 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 195 static struct resource bfin_uart_resources[] = {
 196         {
 197                 .start = 0xFFC00400,
 198                 .end = 0xFFC004FF,
 199                 .flags = IORESOURCE_MEM,
 200         },
 201 };
 202
 203 static struct platform_device bfin_uart_device = {
 204         .name = "bfin-uart",
 205         .id = 1,
 206         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 207         .resource = bfin_uart_resources,
 208 };
 209 #endif
 210
 211 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 212 #ifdef CONFIG_BFIN_SIR0
 213 static struct resource bfin_sir0_resources[] = {
 214         {
 215                 .start = 0xFFC00400,
 216                 .end = 0xFFC004FF,
 217                 .flags = IORESOURCE_MEM,
 218         },
 219         {
 220                 .start = IRQ_UART0_RX,
 221                 .end = IRQ_UART0_RX+1,
 222                 .flags = IORESOURCE_IRQ,
 223         },
 224         {
 225                 .start = CH_UART0_RX,
 226                 .end = CH_UART0_RX+1,
 227                 .flags = IORESOURCE_DMA,
 228         },
 229 };
 230
 231 static struct platform_device bfin_sir0_device = {
 232         .name = "bfin_sir",
 233         .id = 0,
 234         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 235         .resource = bfin_sir0_resources,
 236 };
 237 #endif
 238 #endif
 239
 240 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 241 static struct mtd_partition ezkit_partitions[] = {
 242         {
 243                 .name       = "bootloader(nor)",
 244                 .size       = 0x40000,
 245                 .offset     = 0,
 246         }, {
 247                 .name       = "linux kernel(nor)",
 248                 .size       = 0x1C0000,
 249                 .offset     = MTDPART_OFS_APPEND,
 250         }, {
 251                 .name       = "file system(nor)",
 252                 .size       = MTDPART_SIZ_FULL,
 253                 .offset     = MTDPART_OFS_APPEND,
 254         }
 255 };
 256
 257 static struct physmap_flash_data ezkit_flash_data = {
 258         .width      = 2,
 259         .parts      = ezkit_partitions,
 260         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 261 };
 262
 263 static struct resource ezkit_flash_resource = {
 264         .start = 0x20000000,
 265         .end   = 0x207fffff,
 266         .flags = IORESOURCE_MEM,
 267 };
 268
 269 static struct platform_device ezkit_flash_device = {
 270         .name          = "physmap-flash",
 271         .id            = 0,
 272         .dev = {
 273                 .platform_data = &ezkit_flash_data,
 274         },
 275         .num_resources = 1,
 276         .resource      = &ezkit_flash_resource,
 277 };
 278 #endif
 279
 280 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 281         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 282 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 283         .enable_dma = 0,
 284         .bits_per_word = 16,
 285 };
 286 #endif
 287
 288 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 289 static struct bfin5xx_spi_chip spidev_chip_info = {
 290         .enable_dma = 0,
 291         .bits_per_word = 8,
 292 };
 293 #endif
 294
 295 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 296 /* SPI (0) */
 297 static struct resource bfin_spi0_resource[] = {
 298         [0] = {
 299                 .start = SPI0_REGBASE,
 300                 .end   = SPI0_REGBASE + 0xFF,
 301                 .flags = IORESOURCE_MEM,
 302         },
 303         [1] = {
 304                 .start = CH_SPI,
 305                 .end   = CH_SPI,
 306                 .flags = IORESOURCE_DMA,
 307         },
 308         [2] = {
 309                 .start = IRQ_SPI,
 310                 .end   = IRQ_SPI,
 311                 .flags = IORESOURCE_IRQ,
 312         }
 313 };
 314
 315 /* SPI controller data */
 316 static struct bfin5xx_spi_master bfin_spi0_info = {
 317         .num_chipselect = 8,
 318         .enable_dma = 1,  /* master has the ability to do dma transfer */
 319         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 320 };
 321
 322 static struct platform_device bfin_spi0_device = {
 323         .name = "bfin-spi",
 324         .id = 0, /* Bus number */
 325         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 326         .resource = bfin_spi0_resource,
 327         .dev = {
 328                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 329         },
 330 };
 331 #endif
 332
 333 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 334 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 335         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 336         {
 337                 .modalias = "ad1836-spi",
 338                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 339                 .bus_num = 0,
 340                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 341                 .controller_data = &ad1836_spi_chip_info,
 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 static struct resource bfin_gpios_resources = {
 380         .start = 0,
 381         .end   = MAX_BLACKFIN_GPIOS - 1,
 382         .flags = IORESOURCE_IRQ,
 383 };
 384
 385 static struct platform_device bfin_gpios_device = {
 386         .name = "simple-gpio",
 387         .id = -1,
 388         .num_resources = 1,
 389         .resource = &bfin_gpios_resources,
 390 };
 391
 392 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 393 #include <linux/i2c-gpio.h>
 394
 395 static struct i2c_gpio_platform_data i2c_gpio_data = {
 396         .sda_pin                = 1,
 397         .scl_pin                = 0,
 398         .sda_is_open_drain      = 0,
 399         .scl_is_open_drain      = 0,
 400         .udelay                 = 40,
 401 };
 402
 403 static struct platform_device i2c_gpio_device = {
 404         .name           = "i2c-gpio",
 405         .id             = 0,
 406         .dev            = {
 407                 .platform_data  = &i2c_gpio_data,
 408         },
 409 };
 410 #endif
 411
 412 static const unsigned int cclk_vlev_datasheet[] =
 413 {
 414         VRPAIR(VLEV_085, 250000000),
 415         VRPAIR(VLEV_090, 300000000),
 416         VRPAIR(VLEV_095, 313000000),
 417         VRPAIR(VLEV_100, 350000000),
 418         VRPAIR(VLEV_105, 400000000),
 419         VRPAIR(VLEV_110, 444000000),
 420         VRPAIR(VLEV_115, 450000000),
 421         VRPAIR(VLEV_120, 475000000),
 422         VRPAIR(VLEV_125, 500000000),
 423         VRPAIR(VLEV_130, 600000000),
 424 };
 425
 426 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 427         .tuple_tab = cclk_vlev_datasheet,
 428         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 429         .vr_settling_time = 25 /* us */,
 430 };
 431
 432 static struct platform_device bfin_dpmc = {
 433         .name = "bfin dpmc",
 434         .dev = {
 435                 .platform_data = &bfin_dmpc_vreg_data,
 436         },
 437 };
 438
 439 static struct platform_device *ezkit_devices[] __initdata = {
 440
 441         &bfin_dpmc,
 442
 443 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 444         &smc91x_device,
 445 #endif
 446
 447 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
 448         &ax88180_device,
 449 #endif
 450
 451 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 452         &net2272_bfin_device,
 453 #endif
 454
 455 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
 456         &bfin_isp1760_device,
 457 #endif
 458
 459 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 460         &bfin_spi0_device,
 461 #endif
 462
 463 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 464         &bfin_uart_device,
 465 #endif
 466
 467 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 468 #ifdef CONFIG_BFIN_SIR0
 469         &bfin_sir0_device,
 470 #endif
 471 #endif
 472
 473 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 474         &bfin_device_gpiokeys,
 475 #endif
 476
 477 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 478         &i2c_gpio_device,
 479 #endif
 480
 481 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 482         &isp1362_hcd_device,
 483 #endif
 484
 485         &bfin_gpios_device,
 486
 487 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 488         &ezkit_flash_device,
 489 #endif
 490 };
 491
 492 static int __init ezkit_init(void)
 493 {
 494         int ret;
 495
 496         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 497
 498         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 499         if (ret < 0)
 500                 return ret;
 501
 502 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 503         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 504         SSYNC();
 505 #endif
 506
 507         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 508         return 0;
 509 }
 510
 511 arch_initcall(ezkit_init);