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 <asm/dma.h>
  18 #include <asm/bfin5xx_spi.h>
  19 #include <asm/portmux.h>
  20 #include <asm/dpmc.h>
  21
  22 /*
  23  * Name the Board for the /proc/cpuinfo
  24  */
  25 const char bfin_board_name[] = "ADI BF561-EZKIT";
  26
  27 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
  28 #include <linux/usb/isp1760.h>
  29 static struct resource bfin_isp1760_resources[] = {
  30         [0] = {
  31                 .start  = 0x2C0F0000,
  32                 .end    = 0x203C0000 + 0xfffff,
  33                 .flags  = IORESOURCE_MEM,
  34         },
  35         [1] = {
  36                 .start  = IRQ_PF10,
  37                 .end    = IRQ_PF10,
  38                 .flags  = IORESOURCE_IRQ,
  39         },
  40 };
  41
  42 static struct isp1760_platform_data isp1760_priv = {
  43         .is_isp1761 = 0,
  44         .bus_width_16 = 1,
  45         .port1_otg = 0,
  46         .analog_oc = 0,
  47         .dack_polarity_high = 0,
  48         .dreq_polarity_high = 0,
  49 };
  50
  51 static struct platform_device bfin_isp1760_device = {
  52         .name           = "isp1760",
  53         .id             = 0,
  54         .dev = {
  55                 .platform_data = &isp1760_priv,
  56         },
  57         .num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
  58         .resource       = bfin_isp1760_resources,
  59 };
  60 #endif
  61
  62 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  63 #include <linux/usb/isp1362.h>
  64
  65 static struct resource isp1362_hcd_resources[] = {
  66         {
  67                 .start = 0x2c060000,
  68                 .end = 0x2c060000,
  69                 .flags = IORESOURCE_MEM,
  70         }, {
  71                 .start = 0x2c060004,
  72                 .end = 0x2c060004,
  73                 .flags = IORESOURCE_MEM,
  74         }, {
  75                 .start = IRQ_PF8,
  76                 .end = IRQ_PF8,
  77                 .flags = IORESOURCE_IRQ,
  78         },
  79 };
  80
  81 static struct isp1362_platform_data isp1362_priv = {
  82         .sel15Kres = 1,
  83         .clknotstop = 0,
  84         .oc_enable = 0,
  85         .int_act_high = 0,
  86         .int_edge_triggered = 0,
  87         .remote_wakeup_connected = 0,
  88         .no_power_switching = 1,
  89         .power_switching_mode = 0,
  90 };
  91
  92 static struct platform_device isp1362_hcd_device = {
  93         .name = "isp1362-hcd",
  94         .id = 0,
  95         .dev = {
  96                 .platform_data = &isp1362_priv,
  97         },
  98         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
  99         .resource = isp1362_hcd_resources,
 100 };
 101 #endif
 102
 103 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 104 static struct resource net2272_bfin_resources[] = {
 105         {
 106                 .start = 0x2C000000,
 107                 .end = 0x2C000000 + 0x7F,
 108                 .flags = IORESOURCE_MEM,
 109         }, {
 110                 .start = IRQ_PF10,
 111                 .end = IRQ_PF10,
 112                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 113         },
 114 };
 115
 116 static struct platform_device net2272_bfin_device = {
 117         .name = "net2272",
 118         .id = -1,
 119         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
 120         .resource = net2272_bfin_resources,
 121 };
 122 #endif
 123
 124 /*
 125  *  USB-LAN EzExtender board
 126  *  Driver needs to know address, irq and flag pin.
 127  */
 128 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 129 #include <linux/smc91x.h>
 130
 131 static struct smc91x_platdata smc91x_info = {
 132         .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
 133         .leda = RPC_LED_100_10,
 134         .ledb = RPC_LED_TX_RX,
 135 };
 136
 137 static struct resource smc91x_resources[] = {
 138         {
 139                 .name = "smc91x-regs",
 140                 .start = 0x2C010300,
 141                 .end = 0x2C010300 + 16,
 142                 .flags = IORESOURCE_MEM,
 143         }, {
 144
 145                 .start = IRQ_PF9,
 146                 .end = IRQ_PF9,
 147                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 148         },
 149 };
 150
 151 static struct platform_device smc91x_device = {
 152         .name = "smc91x",
 153         .id = 0,
 154         .num_resources = ARRAY_SIZE(smc91x_resources),
 155         .resource = smc91x_resources,
 156         .dev    = {
 157                 .platform_data  = &smc91x_info,
 158         },
 159 };
 160 #endif
 161
 162 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 163 static struct resource bfin_uart_resources[] = {
 164         {
 165                 .start = 0xFFC00400,
 166                 .end = 0xFFC004FF,
 167                 .flags = IORESOURCE_MEM,
 168         },
 169 };
 170
 171 static struct platform_device bfin_uart_device = {
 172         .name = "bfin-uart",
 173         .id = 1,
 174         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 175         .resource = bfin_uart_resources,
 176 };
 177 #endif
 178
 179 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 180 #ifdef CONFIG_BFIN_SIR0
 181 static struct resource bfin_sir0_resources[] = {
 182         {
 183                 .start = 0xFFC00400,
 184                 .end = 0xFFC004FF,
 185                 .flags = IORESOURCE_MEM,
 186         },
 187         {
 188                 .start = IRQ_UART0_RX,
 189                 .end = IRQ_UART0_RX+1,
 190                 .flags = IORESOURCE_IRQ,
 191         },
 192         {
 193                 .start = CH_UART0_RX,
 194                 .end = CH_UART0_RX+1,
 195                 .flags = IORESOURCE_DMA,
 196         },
 197 };
 198
 199 static struct platform_device bfin_sir0_device = {
 200         .name = "bfin_sir",
 201         .id = 0,
 202         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 203         .resource = bfin_sir0_resources,
 204 };
 205 #endif
 206 #endif
 207
 208 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 209 static struct mtd_partition ezkit_partitions[] = {
 210         {
 211                 .name       = "bootloader(nor)",
 212                 .size       = 0x40000,
 213                 .offset     = 0,
 214         }, {
 215                 .name       = "linux kernel(nor)",
 216                 .size       = 0x1C0000,
 217                 .offset     = MTDPART_OFS_APPEND,
 218         }, {
 219                 .name       = "file system(nor)",
 220                 .size       = MTDPART_SIZ_FULL,
 221                 .offset     = MTDPART_OFS_APPEND,
 222         }
 223 };
 224
 225 static struct physmap_flash_data ezkit_flash_data = {
 226         .width      = 2,
 227         .parts      = ezkit_partitions,
 228         .nr_parts   = ARRAY_SIZE(ezkit_partitions),
 229 };
 230
 231 static struct resource ezkit_flash_resource = {
 232         .start = 0x20000000,
 233         .end   = 0x207fffff,
 234         .flags = IORESOURCE_MEM,
 235 };
 236
 237 static struct platform_device ezkit_flash_device = {
 238         .name          = "physmap-flash",
 239         .id            = 0,
 240         .dev = {
 241                 .platform_data = &ezkit_flash_data,
 242         },
 243         .num_resources = 1,
 244         .resource      = &ezkit_flash_resource,
 245 };
 246 #endif
 247
 248 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 249         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 250 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 251         .enable_dma = 0,
 252         .bits_per_word = 16,
 253 };
 254 #endif
 255
 256 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 257 static struct bfin5xx_spi_chip spidev_chip_info = {
 258         .enable_dma = 0,
 259         .bits_per_word = 8,
 260 };
 261 #endif
 262
 263 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 264 /* SPI (0) */
 265 static struct resource bfin_spi0_resource[] = {
 266         [0] = {
 267                 .start = SPI0_REGBASE,
 268                 .end   = SPI0_REGBASE + 0xFF,
 269                 .flags = IORESOURCE_MEM,
 270         },
 271         [1] = {
 272                 .start = CH_SPI,
 273                 .end   = CH_SPI,
 274                 .flags = IORESOURCE_DMA,
 275         },
 276         [2] = {
 277                 .start = IRQ_SPI,
 278                 .end   = IRQ_SPI,
 279                 .flags = IORESOURCE_IRQ,
 280         }
 281 };
 282
 283 /* SPI controller data */
 284 static struct bfin5xx_spi_master bfin_spi0_info = {
 285         .num_chipselect = 8,
 286         .enable_dma = 1,  /* master has the ability to do dma transfer */
 287         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 288 };
 289
 290 static struct platform_device bfin_spi0_device = {
 291         .name = "bfin-spi",
 292         .id = 0, /* Bus number */
 293         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 294         .resource = bfin_spi0_resource,
 295         .dev = {
 296                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 297         },
 298 };
 299 #endif
 300
 301 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 302 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 303         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 304         {
 305                 .modalias = "ad1836",
 306                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 307                 .bus_num = 0,
 308                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 309                 .controller_data = &ad1836_spi_chip_info,
 310         },
 311 #endif
 312 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 313         {
 314                 .modalias = "spidev",
 315                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 316                 .bus_num = 0,
 317                 .chip_select = 1,
 318                 .controller_data = &spidev_chip_info,
 319         },
 320 #endif
 321 };
 322
 323 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 324 #include <linux/input.h>
 325 #include <linux/gpio_keys.h>
 326
 327 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 328         {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
 329         {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
 330         {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
 331         {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
 332 };
 333
 334 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 335         .buttons        = bfin_gpio_keys_table,
 336         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 337 };
 338
 339 static struct platform_device bfin_device_gpiokeys = {
 340         .name      = "gpio-keys",
 341         .dev = {
 342                 .platform_data = &bfin_gpio_keys_data,
 343         },
 344 };
 345 #endif
 346
 347 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 348 #include <linux/i2c-gpio.h>
 349
 350 static struct i2c_gpio_platform_data i2c_gpio_data = {
 351         .sda_pin                = 1,
 352         .scl_pin                = 0,
 353         .sda_is_open_drain      = 0,
 354         .scl_is_open_drain      = 0,
 355         .udelay                 = 40,
 356 };
 357
 358 static struct platform_device i2c_gpio_device = {
 359         .name           = "i2c-gpio",
 360         .id             = 0,
 361         .dev            = {
 362                 .platform_data  = &i2c_gpio_data,
 363         },
 364 };
 365 #endif
 366
 367 static const unsigned int cclk_vlev_datasheet[] =
 368 {
 369         VRPAIR(VLEV_085, 250000000),
 370         VRPAIR(VLEV_090, 300000000),
 371         VRPAIR(VLEV_095, 313000000),
 372         VRPAIR(VLEV_100, 350000000),
 373         VRPAIR(VLEV_105, 400000000),
 374         VRPAIR(VLEV_110, 444000000),
 375         VRPAIR(VLEV_115, 450000000),
 376         VRPAIR(VLEV_120, 475000000),
 377         VRPAIR(VLEV_125, 500000000),
 378         VRPAIR(VLEV_130, 600000000),
 379 };
 380
 381 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 382         .tuple_tab = cclk_vlev_datasheet,
 383         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 384         .vr_settling_time = 25 /* us */,
 385 };
 386
 387 static struct platform_device bfin_dpmc = {
 388         .name = "bfin dpmc",
 389         .dev = {
 390                 .platform_data = &bfin_dmpc_vreg_data,
 391         },
 392 };
 393
 394 static struct platform_device *ezkit_devices[] __initdata = {
 395
 396         &bfin_dpmc,
 397
 398 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 399         &smc91x_device,
 400 #endif
 401
 402 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
 403         &net2272_bfin_device,
 404 #endif
 405
 406 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
 407         &bfin_isp1760_device,
 408 #endif
 409
 410 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 411         &bfin_spi0_device,
 412 #endif
 413
 414 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 415         &bfin_uart_device,
 416 #endif
 417
 418 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 419 #ifdef CONFIG_BFIN_SIR0
 420         &bfin_sir0_device,
 421 #endif
 422 #endif
 423
 424 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 425         &bfin_device_gpiokeys,
 426 #endif
 427
 428 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 429         &i2c_gpio_device,
 430 #endif
 431
 432 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 433         &isp1362_hcd_device,
 434 #endif
 435
 436 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 437         &ezkit_flash_device,
 438 #endif
 439 };
 440
 441 static int __init ezkit_init(void)
 442 {
 443         int ret;
 444
 445         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 446
 447         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 448         if (ret < 0)
 449                 return ret;
 450
 451 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 452         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
 453         SSYNC();
 454 #endif
 455
 456         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 457         return 0;
 458 }
 459
 460 arch_initcall(ezkit_init);