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 IS_ENABLED(CONFIG_USB_ISP1362_HCD)
  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 IS_ENABLED(CONFIG_RTC_DRV_BFIN)
  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 IS_ENABLED(CONFIG_SMC91X)
  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 IS_ENABLED(CONFIG_MTD_PHYSMAP)
  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 IS_ENABLED(CONFIG_MTD_PLATRAM)
 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 IS_ENABLED(CONFIG_MTD_M25P80)
 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 };
 214 #endif
 215
 216 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 217 #if IS_ENABLED(CONFIG_MTD_M25P80)
 218         {
 219                 /* the modalias must be the same as spi device driver name */
 220                 .modalias = "m25p80", /* Name of spi_driver for this device */
 221                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 222                 .bus_num = 0, /* Framework bus number */
 223                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 224                 .platform_data = &bfin_spi_flash_data,
 225                 .controller_data = &spi_flash_chip_info,
 226                 .mode = SPI_MODE_3,
 227         },
 228 #endif
 229
 230 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
 231         {
 232                 .modalias = "ad183x",
 233                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 234                 .bus_num = 0,
 235                 .chip_select = 4,
 236         },
 237 #endif
 238 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
 239         {
 240                 .modalias = "spidev",
 241                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 242                 .bus_num = 0,
 243                 .chip_select = 1,
 244         },
 245 #endif
 246 };
 247
 248 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 249 /* SPI (0) */
 250 static struct resource bfin_spi0_resource[] = {
 251         [0] = {
 252                 .start = SPI0_REGBASE,
 253                 .end   = SPI0_REGBASE + 0xFF,
 254                 .flags = IORESOURCE_MEM,
 255         },
 256         [1] = {
 257                 .start = CH_SPI,
 258                 .end   = CH_SPI,
 259                 .flags = IORESOURCE_DMA,
 260         },
 261         [2] = {
 262                 .start = IRQ_SPI,
 263                 .end   = IRQ_SPI,
 264                 .flags = IORESOURCE_IRQ,
 265         }
 266 };
 267
 268 /* SPI controller data */
 269 static struct bfin5xx_spi_master bfin_spi0_info = {
 270         .num_chipselect = 8,
 271         .enable_dma = 1,  /* master has the ability to do dma transfer */
 272         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 273 };
 274
 275 static struct platform_device bfin_spi0_device = {
 276         .name = "bfin-spi",
 277         .id = 0, /* Bus number */
 278         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 279         .resource = bfin_spi0_resource,
 280         .dev = {
 281                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 282         },
 283 };
 284 #endif  /* spi master and devices */
 285
 286 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 287 #ifdef CONFIG_SERIAL_BFIN_UART0
 288 static struct resource bfin_uart0_resources[] = {
 289         {
 290                 .start = BFIN_UART_THR,
 291                 .end = BFIN_UART_GCTL+2,
 292                 .flags = IORESOURCE_MEM,
 293         },
 294         {
 295                 .start = IRQ_UART0_TX,
 296                 .end = IRQ_UART0_TX,
 297                 .flags = IORESOURCE_IRQ,
 298         },
 299         {
 300                 .start = IRQ_UART0_RX,
 301                 .end = IRQ_UART0_RX,
 302                 .flags = IORESOURCE_IRQ,
 303         },
 304         {
 305                 .start = IRQ_UART0_ERROR,
 306                 .end = IRQ_UART0_ERROR,
 307                 .flags = IORESOURCE_IRQ,
 308         },
 309         {
 310                 .start = CH_UART0_TX,
 311                 .end = CH_UART0_TX,
 312                 .flags = IORESOURCE_DMA,
 313         },
 314         {
 315                 .start = CH_UART0_RX,
 316                 .end = CH_UART0_RX,
 317                 .flags = IORESOURCE_DMA,
 318         },
 319 };
 320
 321 static unsigned short bfin_uart0_peripherals[] = {
 322         P_UART0_TX, P_UART0_RX, 0
 323 };
 324
 325 static struct platform_device bfin_uart0_device = {
 326         .name = "bfin-uart",
 327         .id = 0,
 328         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 329         .resource = bfin_uart0_resources,
 330         .dev = {
 331                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 332         },
 333 };
 334 #endif
 335 #endif
 336
 337 #if IS_ENABLED(CONFIG_BFIN_SIR)
 338 #ifdef CONFIG_BFIN_SIR0
 339 static struct resource bfin_sir0_resources[] = {
 340         {
 341                 .start = 0xFFC00400,
 342                 .end = 0xFFC004FF,
 343                 .flags = IORESOURCE_MEM,
 344         },
 345         {
 346                 .start = IRQ_UART0_RX,
 347                 .end = IRQ_UART0_RX+1,
 348                 .flags = IORESOURCE_IRQ,
 349         },
 350         {
 351                 .start = CH_UART0_RX,
 352                 .end = CH_UART0_RX+1,
 353                 .flags = IORESOURCE_DMA,
 354         },
 355 };
 356
 357 static struct platform_device bfin_sir0_device = {
 358         .name = "bfin_sir",
 359         .id = 0,
 360         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 361         .resource = bfin_sir0_resources,
 362 };
 363 #endif
 364 #endif
 365
 366 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 367 #include <linux/input.h>
 368 #include <linux/gpio_keys.h>
 369
 370 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 371         {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
 372         {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
 373         {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
 374         {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
 375 };
 376
 377 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 378         .buttons        = bfin_gpio_keys_table,
 379         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 380 };
 381
 382 static struct platform_device bfin_device_gpiokeys = {
 383         .name      = "gpio-keys",
 384         .dev = {
 385                 .platform_data = &bfin_gpio_keys_data,
 386         },
 387 };
 388 #endif
 389
 390 #if IS_ENABLED(CONFIG_I2C_GPIO)
 391 #include <linux/i2c-gpio.h>
 392
 393 static struct i2c_gpio_platform_data i2c_gpio_data = {
 394         .sda_pin                = GPIO_PF1,
 395         .scl_pin                = GPIO_PF0,
 396         .sda_is_open_drain      = 0,
 397         .scl_is_open_drain      = 0,
 398         .udelay                 = 40,
 399 };
 400
 401 static struct platform_device i2c_gpio_device = {
 402         .name           = "i2c-gpio",
 403         .id             = 0,
 404         .dev            = {
 405                 .platform_data  = &i2c_gpio_data,
 406         },
 407 };
 408 #endif
 409
 410 static const unsigned int cclk_vlev_datasheet[] =
 411 {
 412         VRPAIR(VLEV_085, 250000000),
 413         VRPAIR(VLEV_090, 376000000),
 414         VRPAIR(VLEV_095, 426000000),
 415         VRPAIR(VLEV_100, 426000000),
 416         VRPAIR(VLEV_105, 476000000),
 417         VRPAIR(VLEV_110, 476000000),
 418         VRPAIR(VLEV_115, 476000000),
 419         VRPAIR(VLEV_120, 600000000),
 420         VRPAIR(VLEV_125, 600000000),
 421         VRPAIR(VLEV_130, 600000000),
 422 };
 423
 424 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 425         .tuple_tab = cclk_vlev_datasheet,
 426         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 427         .vr_settling_time = 25 /* us */,
 428 };
 429
 430 static struct platform_device bfin_dpmc = {
 431         .name = "bfin dpmc",
 432         .dev = {
 433                 .platform_data = &bfin_dmpc_vreg_data,
 434         },
 435 };
 436
 437 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 438 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
 439         {
 440                 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
 441         },
 442 #endif
 443 };
 444
 445 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
 446 static struct platform_device bfin_i2s = {
 447         .name = "bfin-i2s",
 448         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 449         /* TODO: add platform data here */
 450 };
 451 #endif
 452
 453 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
 454 static struct platform_device bfin_ac97 = {
 455         .name = "bfin-ac97",
 456         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 457         /* TODO: add platform data here */
 458 };
 459 #endif
 460
 461 static struct platform_device *ezkit_devices[] __initdata = {
 462
 463         &bfin_dpmc,
 464
 465 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 466         &ezkit_flash_device_a,
 467         &ezkit_flash_device_b,
 468 #endif
 469
 470 #if IS_ENABLED(CONFIG_MTD_PLATRAM)
 471         &sram_device_a,
 472         &sram_device_b,
 473 #endif
 474
 475 #if IS_ENABLED(CONFIG_SMC91X)
 476         &smc91x_device,
 477 #endif
 478
 479 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 480         &bfin_spi0_device,
 481 #endif
 482
 483 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 484         &rtc_device,
 485 #endif
 486
 487 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 488 #ifdef CONFIG_SERIAL_BFIN_UART0
 489         &bfin_uart0_device,
 490 #endif
 491 #endif
 492
 493 #if IS_ENABLED(CONFIG_BFIN_SIR)
 494 #ifdef CONFIG_BFIN_SIR0
 495         &bfin_sir0_device,
 496 #endif
 497 #endif
 498
 499 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 500         &bfin_device_gpiokeys,
 501 #endif
 502
 503 #if IS_ENABLED(CONFIG_I2C_GPIO)
 504         &i2c_gpio_device,
 505 #endif
 506
 507 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
 508         &bfin_i2s,
 509 #endif
 510
 511 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
 512         &bfin_ac97,
 513 #endif
 514 };
 515
 516 static int __init ezkit_init(void)
 517 {
 518         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 519         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 520         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 521         i2c_register_board_info(0, bfin_i2c_board_info,
 522                                 ARRAY_SIZE(bfin_i2c_board_info));
 523         return 0;
 524 }
 525
 526 arch_initcall(ezkit_init);
 527
 528 static struct platform_device *ezkit_early_devices[] __initdata = {
 529 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 530 #ifdef CONFIG_SERIAL_BFIN_UART0
 531         &bfin_uart0_device,
 532 #endif
 533 #endif
 534 };
 535
 536 void __init native_machine_early_platform_add_devices(void)
 537 {
 538         printk(KERN_INFO "register early platform devices\n");
 539         early_platform_add_devices(ezkit_early_devices,
 540                 ARRAY_SIZE(ezkit_early_devices));
 541 }