kernel/arch/blackfin/mach-bf518/boards/ezbrd.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/export.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/mtd/mtd.h>
  13 #include <linux/mtd/partitions.h>
  14 #include <linux/mtd/physmap.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17
  18 #include <linux/i2c.h>
  19 #include <linux/irq.h>
  20 #include <linux/interrupt.h>
  21 #include <asm/dma.h>
  22 #include <asm/bfin5xx_spi.h>
  23 #include <asm/reboot.h>
  24 #include <asm/portmux.h>
  25 #include <asm/dpmc.h>
  26 #include <asm/bfin_sdh.h>
  27 #include <linux/spi/ad7877.h>
  28 #include <net/dsa.h>
  29
  30 /*
  31  * Name the Board for the /proc/cpuinfo
  32  */
  33 const char bfin_board_name[] = "ADI BF518F-EZBRD";
  34
  35 /*
  36  *  Driver needs to know address, irq and flag pin.
  37  */
  38
  39 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
  40 static struct mtd_partition ezbrd_partitions[] = {
  41         {
  42                 .name       = "bootloader(nor)",
  43                 .size       = 0x40000,
  44                 .offset     = 0,
  45         }, {
  46                 .name       = "linux kernel(nor)",
  47                 .size       = 0x1C0000,
  48                 .offset     = MTDPART_OFS_APPEND,
  49         }, {
  50                 .name       = "file system(nor)",
  51                 .size       = MTDPART_SIZ_FULL,
  52                 .offset     = MTDPART_OFS_APPEND,
  53         }
  54 };
  55
  56 static struct physmap_flash_data ezbrd_flash_data = {
  57         .width      = 2,
  58         .parts      = ezbrd_partitions,
  59         .nr_parts   = ARRAY_SIZE(ezbrd_partitions),
  60 };
  61
  62 static struct resource ezbrd_flash_resource = {
  63         .start = 0x20000000,
  64 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
  65         .end   = 0x202fffff,
  66 #else
  67         .end   = 0x203fffff,
  68 #endif
  69         .flags = IORESOURCE_MEM,
  70 };
  71
  72 static struct platform_device ezbrd_flash_device = {
  73         .name          = "physmap-flash",
  74         .id            = 0,
  75         .dev = {
  76                 .platform_data = &ezbrd_flash_data,
  77         },
  78         .num_resources = 1,
  79         .resource      = &ezbrd_flash_resource,
  80 };
  81 #endif
  82
  83 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
  84 static struct platform_device rtc_device = {
  85         .name = "rtc-bfin",
  86         .id   = -1,
  87 };
  88 #endif
  89
  90 #if IS_ENABLED(CONFIG_BFIN_MAC)
  91 #include <linux/bfin_mac.h>
  92 static const unsigned short bfin_mac_peripherals[] = {
  93         P_MII0_ETxD0,
  94         P_MII0_ETxD1,
  95         P_MII0_ETxEN,
  96         P_MII0_ERxD0,
  97         P_MII0_ERxD1,
  98         P_MII0_TxCLK,
  99         P_MII0_PHYINT,
 100         P_MII0_CRS,
 101         P_MII0_MDC,
 102         P_MII0_MDIO,
 103         0
 104 };
 105
 106 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
 107         {
 108 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
 109                 .addr = 3,
 110 #else
 111                 .addr = 1,
 112 #endif
 113                 .irq = IRQ_MAC_PHYINT,
 114         },
 115 };
 116
 117 static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
 118         .phydev_number = 1,
 119         .phydev_data = bfin_phydev_data,
 120         .phy_mode = PHY_INTERFACE_MODE_MII,
 121         .mac_peripherals = bfin_mac_peripherals,
 122 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
 123         .phy_mask = 0xfff7, /* Only probe the port phy connect to the on chip MAC */
 124 #endif
 125         .vlan1_mask = 1,
 126         .vlan2_mask = 2,
 127 };
 128
 129 static struct platform_device bfin_mii_bus = {
 130         .name = "bfin_mii_bus",
 131         .dev = {
 132                 .platform_data = &bfin_mii_bus_data,
 133         }
 134 };
 135
 136 static struct platform_device bfin_mac_device = {
 137         .name = "bfin_mac",
 138         .dev = {
 139                 .platform_data = &bfin_mii_bus,
 140         }
 141 };
 142
 143 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
 144 static struct dsa_chip_data ksz8893m_switch_chip_data = {
 145         .mii_bus = &bfin_mii_bus.dev,
 146         .port_names = {
 147                 NULL,
 148                 "eth%d",
 149                 "eth%d",
 150                 "cpu",
 151         },
 152 };
 153 static struct dsa_platform_data ksz8893m_switch_data = {
 154         .nr_chips = 1,
 155         .netdev = &bfin_mac_device.dev,
 156         .chip = &ksz8893m_switch_chip_data,
 157 };
 158
 159 static struct platform_device ksz8893m_switch_device = {
 160         .name           = "dsa",
 161         .id             = 0,
 162         .num_resources  = 0,
 163         .dev.platform_data = &ksz8893m_switch_data,
 164 };
 165 #endif
 166 #endif
 167
 168 #if IS_ENABLED(CONFIG_MTD_M25P80)
 169 static struct mtd_partition bfin_spi_flash_partitions[] = {
 170         {
 171                 .name = "bootloader(spi)",
 172                 .size = 0x00040000,
 173                 .offset = 0,
 174                 .mask_flags = MTD_CAP_ROM
 175         }, {
 176                 .name = "linux kernel(spi)",
 177                 .size = MTDPART_SIZ_FULL,
 178                 .offset = MTDPART_OFS_APPEND,
 179         }
 180 };
 181
 182 static struct flash_platform_data bfin_spi_flash_data = {
 183         .name = "m25p80",
 184         .parts = bfin_spi_flash_partitions,
 185         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 186         .type = "m25p16",
 187 };
 188
 189 /* SPI flash chip (m25p64) */
 190 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 191         .enable_dma = 0,         /* use dma transfer with this chip*/
 192 };
 193 #endif
 194
 195 #if IS_ENABLED(CONFIG_MMC_SPI)
 196 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 197         .enable_dma = 0,
 198 };
 199 #endif
 200
 201 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
 202 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 203         .model                  = 7877,
 204         .vref_delay_usecs       = 50,   /* internal, no capacitor */
 205         .x_plate_ohms           = 419,
 206         .y_plate_ohms           = 486,
 207         .pressure_max           = 1000,
 208         .pressure_min           = 0,
 209         .stopacq_polarity       = 1,
 210         .first_conversion_delay = 3,
 211         .acquisition_time       = 1,
 212         .averaging              = 1,
 213         .pen_down_acc_interval  = 1,
 214 };
 215 #endif
 216
 217 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 218 #if IS_ENABLED(CONFIG_MTD_M25P80)
 219         {
 220                 /* the modalias must be the same as spi device driver name */
 221                 .modalias = "m25p80", /* Name of spi_driver for this device */
 222                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 223                 .bus_num = 0, /* Framework bus number */
 224                 .chip_select = 2, /* On BF518F-EZBRD it's SPI0_SSEL2 */
 225                 .platform_data = &bfin_spi_flash_data,
 226                 .controller_data = &spi_flash_chip_info,
 227                 .mode = SPI_MODE_3,
 228         },
 229 #endif
 230
 231 #if IS_ENABLED(CONFIG_BFIN_MAC)
 232 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
 233         {
 234                 .modalias = "ksz8893m",
 235                 .max_speed_hz = 5000000,
 236                 .bus_num = 0,
 237                 .chip_select = 1,
 238                 .platform_data = NULL,
 239                 .mode = SPI_MODE_3,
 240         },
 241 #endif
 242 #endif
 243
 244 #if IS_ENABLED(CONFIG_MMC_SPI)
 245         {
 246                 .modalias = "mmc_spi",
 247                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 248                 .bus_num = 0,
 249                 .chip_select = 5,
 250                 .controller_data = &mmc_spi_chip_info,
 251                 .mode = SPI_MODE_3,
 252         },
 253 #endif
 254 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
 255         {
 256                 .modalias               = "ad7877",
 257                 .platform_data          = &bfin_ad7877_ts_info,
 258                 .irq                    = IRQ_PF8,
 259                 .max_speed_hz   = 12500000,     /* max spi clock (SCK) speed in HZ */
 260                 .bus_num        = 0,
 261                 .chip_select  = 2,
 262         },
 263 #endif
 264 #if IS_ENABLED(CONFIG_SND_SOC_WM8731) \
 265          && defined(CONFIG_SND_SOC_WM8731_SPI)
 266         {
 267                 .modalias       = "wm8731",
 268                 .max_speed_hz   = 3125000,     /* max spi clock (SCK) speed in HZ */
 269                 .bus_num        = 0,
 270                 .chip_select    = 5,
 271                 .mode = SPI_MODE_0,
 272         },
 273 #endif
 274 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
 275         {
 276                 .modalias = "spidev",
 277                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 278                 .bus_num = 0,
 279                 .chip_select = 1,
 280         },
 281 #endif
 282 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
 283         {
 284                 .modalias = "bfin-lq035q1-spi",
 285                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 286                 .bus_num = 0,
 287                 .chip_select = 1,
 288                 .mode = SPI_CPHA | SPI_CPOL,
 289         },
 290 #endif
 291 };
 292
 293 /* SPI controller data */
 294 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 295 /* SPI (0) */
 296 static struct bfin5xx_spi_master bfin_spi0_info = {
 297         .num_chipselect = 6,
 298         .enable_dma = 1,  /* master has the ability to do dma transfer */
 299         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 300 };
 301
 302 static struct resource bfin_spi0_resource[] = {
 303         [0] = {
 304                 .start = SPI0_REGBASE,
 305                 .end   = SPI0_REGBASE + 0xFF,
 306                 .flags = IORESOURCE_MEM,
 307                 },
 308         [1] = {
 309                 .start = CH_SPI0,
 310                 .end   = CH_SPI0,
 311                 .flags = IORESOURCE_DMA,
 312         },
 313         [2] = {
 314                 .start = IRQ_SPI0,
 315                 .end   = IRQ_SPI0,
 316                 .flags = IORESOURCE_IRQ,
 317         },
 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
 330 /* SPI (1) */
 331 static struct bfin5xx_spi_master bfin_spi1_info = {
 332         .num_chipselect = 6,
 333         .enable_dma = 1,  /* master has the ability to do dma transfer */
 334         .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
 335 };
 336
 337 static struct resource bfin_spi1_resource[] = {
 338         [0] = {
 339                 .start = SPI1_REGBASE,
 340                 .end   = SPI1_REGBASE + 0xFF,
 341                 .flags = IORESOURCE_MEM,
 342                 },
 343         [1] = {
 344                 .start = CH_SPI1,
 345                 .end   = CH_SPI1,
 346                 .flags = IORESOURCE_DMA,
 347         },
 348         [2] = {
 349                 .start = IRQ_SPI1,
 350                 .end   = IRQ_SPI1,
 351                 .flags = IORESOURCE_IRQ,
 352         },
 353 };
 354
 355 static struct platform_device bfin_spi1_device = {
 356         .name = "bfin-spi",
 357         .id = 1, /* Bus number */
 358         .num_resources = ARRAY_SIZE(bfin_spi1_resource),
 359         .resource = bfin_spi1_resource,
 360         .dev = {
 361                 .platform_data = &bfin_spi1_info, /* Passed to driver */
 362         },
 363 };
 364 #endif  /* spi master and devices */
 365
 366 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 367 #ifdef CONFIG_SERIAL_BFIN_UART0
 368 static struct resource bfin_uart0_resources[] = {
 369         {
 370                 .start = UART0_THR,
 371                 .end = UART0_GCTL+2,
 372                 .flags = IORESOURCE_MEM,
 373         },
 374         {
 375                 .start = IRQ_UART0_TX,
 376                 .end = IRQ_UART0_TX,
 377                 .flags = IORESOURCE_IRQ,
 378         },
 379         {
 380                 .start = IRQ_UART0_RX,
 381                 .end = IRQ_UART0_RX,
 382                 .flags = IORESOURCE_IRQ,
 383         },
 384         {
 385                 .start = IRQ_UART0_ERROR,
 386                 .end = IRQ_UART0_ERROR,
 387                 .flags = IORESOURCE_IRQ,
 388         },
 389         {
 390                 .start = CH_UART0_TX,
 391                 .end = CH_UART0_TX,
 392                 .flags = IORESOURCE_DMA,
 393         },
 394         {
 395                 .start = CH_UART0_RX,
 396                 .end = CH_UART0_RX,
 397                 .flags = IORESOURCE_DMA,
 398         },
 399 };
 400
 401 static unsigned short bfin_uart0_peripherals[] = {
 402         P_UART0_TX, P_UART0_RX, 0
 403 };
 404
 405 static struct platform_device bfin_uart0_device = {
 406         .name = "bfin-uart",
 407         .id = 0,
 408         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 409         .resource = bfin_uart0_resources,
 410         .dev = {
 411                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 412         },
 413 };
 414 #endif
 415 #ifdef CONFIG_SERIAL_BFIN_UART1
 416 static struct resource bfin_uart1_resources[] = {
 417         {
 418                 .start = UART1_THR,
 419                 .end = UART1_GCTL+2,
 420                 .flags = IORESOURCE_MEM,
 421         },
 422         {
 423                 .start = IRQ_UART1_TX,
 424                 .end = IRQ_UART1_TX,
 425                 .flags = IORESOURCE_IRQ,
 426         },
 427         {
 428                 .start = IRQ_UART1_RX,
 429                 .end = IRQ_UART1_RX,
 430                 .flags = IORESOURCE_IRQ,
 431         },
 432         {
 433                 .start = IRQ_UART1_ERROR,
 434                 .end = IRQ_UART1_ERROR,
 435                 .flags = IORESOURCE_IRQ,
 436         },
 437         {
 438                 .start = CH_UART1_TX,
 439                 .end = CH_UART1_TX,
 440                 .flags = IORESOURCE_DMA,
 441         },
 442         {
 443                 .start = CH_UART1_RX,
 444                 .end = CH_UART1_RX,
 445                 .flags = IORESOURCE_DMA,
 446         },
 447 };
 448
 449 static unsigned short bfin_uart1_peripherals[] = {
 450         P_UART1_TX, P_UART1_RX, 0
 451 };
 452
 453 static struct platform_device bfin_uart1_device = {
 454         .name = "bfin-uart",
 455         .id = 1,
 456         .num_resources = ARRAY_SIZE(bfin_uart1_resources),
 457         .resource = bfin_uart1_resources,
 458         .dev = {
 459                 .platform_data = &bfin_uart1_peripherals, /* Passed to driver */
 460         },
 461 };
 462 #endif
 463 #endif
 464
 465 #if IS_ENABLED(CONFIG_BFIN_SIR)
 466 #ifdef CONFIG_BFIN_SIR0
 467 static struct resource bfin_sir0_resources[] = {
 468         {
 469                 .start = 0xFFC00400,
 470                 .end = 0xFFC004FF,
 471                 .flags = IORESOURCE_MEM,
 472         },
 473         {
 474                 .start = IRQ_UART0_RX,
 475                 .end = IRQ_UART0_RX+1,
 476                 .flags = IORESOURCE_IRQ,
 477         },
 478         {
 479                 .start = CH_UART0_RX,
 480                 .end = CH_UART0_RX+1,
 481                 .flags = IORESOURCE_DMA,
 482         },
 483 };
 484
 485 static struct platform_device bfin_sir0_device = {
 486         .name = "bfin_sir",
 487         .id = 0,
 488         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 489         .resource = bfin_sir0_resources,
 490 };
 491 #endif
 492 #ifdef CONFIG_BFIN_SIR1
 493 static struct resource bfin_sir1_resources[] = {
 494         {
 495                 .start = 0xFFC02000,
 496                 .end = 0xFFC020FF,
 497                 .flags = IORESOURCE_MEM,
 498         },
 499         {
 500                 .start = IRQ_UART1_RX,
 501                 .end = IRQ_UART1_RX+1,
 502                 .flags = IORESOURCE_IRQ,
 503         },
 504         {
 505                 .start = CH_UART1_RX,
 506                 .end = CH_UART1_RX+1,
 507                 .flags = IORESOURCE_DMA,
 508         },
 509 };
 510
 511 static struct platform_device bfin_sir1_device = {
 512         .name = "bfin_sir",
 513         .id = 1,
 514         .num_resources = ARRAY_SIZE(bfin_sir1_resources),
 515         .resource = bfin_sir1_resources,
 516 };
 517 #endif
 518 #endif
 519
 520 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
 521 static struct platform_device bfin_i2s = {
 522         .name = "bfin-i2s",
 523         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 524         /* TODO: add platform data here */
 525 };
 526 #endif
 527
 528 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
 529 static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0};
 530
 531 static struct resource bfin_twi0_resource[] = {
 532         [0] = {
 533                 .start = TWI0_REGBASE,
 534                 .end   = TWI0_REGBASE,
 535                 .flags = IORESOURCE_MEM,
 536         },
 537         [1] = {
 538                 .start = IRQ_TWI,
 539                 .end   = IRQ_TWI,
 540                 .flags = IORESOURCE_IRQ,
 541         },
 542 };
 543
 544 static struct platform_device i2c_bfin_twi_device = {
 545         .name = "i2c-bfin-twi",
 546         .id = 0,
 547         .num_resources = ARRAY_SIZE(bfin_twi0_resource),
 548         .resource = bfin_twi0_resource,
 549         .dev = {
 550                 .platform_data = &bfin_twi0_pins,
 551         },
 552 };
 553 #endif
 554
 555 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 556 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
 557         {
 558                 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
 559         },
 560 #endif
 561 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
 562         {
 563                 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
 564                 .irq = IRQ_PF8,
 565         },
 566 #endif
 567 #if IS_ENABLED(CONFIG_SND_SOC_SSM2602)
 568         {
 569                 I2C_BOARD_INFO("ssm2602", 0x1b),
 570         },
 571 #endif
 572 };
 573
 574 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 575 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 576 static struct resource bfin_sport0_uart_resources[] = {
 577         {
 578                 .start = SPORT0_TCR1,
 579                 .end = SPORT0_MRCS3+4,
 580                 .flags = IORESOURCE_MEM,
 581         },
 582         {
 583                 .start = IRQ_SPORT0_RX,
 584                 .end = IRQ_SPORT0_RX+1,
 585                 .flags = IORESOURCE_IRQ,
 586         },
 587         {
 588                 .start = IRQ_SPORT0_ERROR,
 589                 .end = IRQ_SPORT0_ERROR,
 590                 .flags = IORESOURCE_IRQ,
 591         },
 592 };
 593
 594 static unsigned short bfin_sport0_peripherals[] = {
 595         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
 596         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
 597 };
 598
 599 static struct platform_device bfin_sport0_uart_device = {
 600         .name = "bfin-sport-uart",
 601         .id = 0,
 602         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
 603         .resource = bfin_sport0_uart_resources,
 604         .dev = {
 605                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
 606         },
 607 };
 608 #endif
 609 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 610 static struct resource bfin_sport1_uart_resources[] = {
 611         {
 612                 .start = SPORT1_TCR1,
 613                 .end = SPORT1_MRCS3+4,
 614                 .flags = IORESOURCE_MEM,
 615         },
 616         {
 617                 .start = IRQ_SPORT1_RX,
 618                 .end = IRQ_SPORT1_RX+1,
 619                 .flags = IORESOURCE_IRQ,
 620         },
 621         {
 622                 .start = IRQ_SPORT1_ERROR,
 623                 .end = IRQ_SPORT1_ERROR,
 624                 .flags = IORESOURCE_IRQ,
 625         },
 626 };
 627
 628 static unsigned short bfin_sport1_peripherals[] = {
 629         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
 630         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
 631 };
 632
 633 static struct platform_device bfin_sport1_uart_device = {
 634         .name = "bfin-sport-uart",
 635         .id = 1,
 636         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
 637         .resource = bfin_sport1_uart_resources,
 638         .dev = {
 639                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
 640         },
 641 };
 642 #endif
 643 #endif
 644
 645 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 646 #include <linux/input.h>
 647 #include <linux/gpio_keys.h>
 648
 649 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 650         {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
 651         {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
 652 };
 653
 654 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 655         .buttons        = bfin_gpio_keys_table,
 656         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 657 };
 658
 659 static struct platform_device bfin_device_gpiokeys = {
 660         .name      = "gpio-keys",
 661         .dev = {
 662                 .platform_data = &bfin_gpio_keys_data,
 663         },
 664 };
 665 #endif
 666
 667 #if IS_ENABLED(CONFIG_SDH_BFIN)
 668
 669 static struct bfin_sd_host bfin_sdh_data = {
 670         .dma_chan = CH_RSI,
 671         .irq_int0 = IRQ_RSI_INT0,
 672         .pin_req = {P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0},
 673 };
 674
 675 static struct platform_device bf51x_sdh_device = {
 676         .name = "bfin-sdh",
 677         .id = 0,
 678         .dev = {
 679                 .platform_data = &bfin_sdh_data,
 680         },
 681 };
 682 #endif
 683
 684 static const unsigned int cclk_vlev_datasheet[] =
 685 {
 686         VRPAIR(VLEV_100, 400000000),
 687         VRPAIR(VLEV_105, 426000000),
 688         VRPAIR(VLEV_110, 500000000),
 689         VRPAIR(VLEV_115, 533000000),
 690         VRPAIR(VLEV_120, 600000000),
 691 };
 692
 693 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 694         .tuple_tab = cclk_vlev_datasheet,
 695         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 696         .vr_settling_time = 25 /* us */,
 697 };
 698
 699 static struct platform_device bfin_dpmc = {
 700         .name = "bfin dpmc",
 701         .dev = {
 702                 .platform_data = &bfin_dmpc_vreg_data,
 703         },
 704 };
 705
 706 static struct platform_device *stamp_devices[] __initdata = {
 707
 708         &bfin_dpmc,
 709
 710 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 711         &rtc_device,
 712 #endif
 713
 714 #if IS_ENABLED(CONFIG_BFIN_MAC)
 715         &bfin_mii_bus,
 716         &bfin_mac_device,
 717 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
 718         &ksz8893m_switch_device,
 719 #endif
 720 #endif
 721
 722 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 723         &bfin_spi0_device,
 724         &bfin_spi1_device,
 725 #endif
 726
 727 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 728 #ifdef CONFIG_SERIAL_BFIN_UART0
 729         &bfin_uart0_device,
 730 #endif
 731 #ifdef CONFIG_SERIAL_BFIN_UART1
 732         &bfin_uart1_device,
 733 #endif
 734 #endif
 735
 736 #if IS_ENABLED(CONFIG_BFIN_SIR)
 737 #ifdef CONFIG_BFIN_SIR0
 738         &bfin_sir0_device,
 739 #endif
 740 #ifdef CONFIG_BFIN_SIR1
 741         &bfin_sir1_device,
 742 #endif
 743 #endif
 744
 745 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
 746         &i2c_bfin_twi_device,
 747 #endif
 748
 749 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
 750         &bfin_i2s,
 751 #endif
 752
 753 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
 754 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 755         &bfin_sport0_uart_device,
 756 #endif
 757 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 758         &bfin_sport1_uart_device,
 759 #endif
 760 #endif
 761
 762 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 763         &bfin_device_gpiokeys,
 764 #endif
 765
 766 #if IS_ENABLED(CONFIG_SDH_BFIN)
 767         &bf51x_sdh_device,
 768 #endif
 769
 770 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 771         &ezbrd_flash_device,
 772 #endif
 773 };
 774
 775 static int __init ezbrd_init(void)
 776 {
 777         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 778         i2c_register_board_info(0, bfin_i2c_board_info,
 779                                 ARRAY_SIZE(bfin_i2c_board_info));
 780         platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
 781         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 782         /* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */
 783         peripheral_request(P_AMS2, "ParaFlash");
 784 #if !IS_ENABLED(CONFIG_SPI_BFIN5XX)
 785         peripheral_request(P_AMS3, "ParaFlash");
 786 #endif
 787         return 0;
 788 }
 789
 790 arch_initcall(ezbrd_init);
 791
 792 static struct platform_device *ezbrd_early_devices[] __initdata = {
 793 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 794 #ifdef CONFIG_SERIAL_BFIN_UART0
 795         &bfin_uart0_device,
 796 #endif
 797 #ifdef CONFIG_SERIAL_BFIN_UART1
 798         &bfin_uart1_device,
 799 #endif
 800 #endif
 801
 802 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
 803 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 804         &bfin_sport0_uart_device,
 805 #endif
 806 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 807         &bfin_sport1_uart_device,
 808 #endif
 809 #endif
 810 };
 811
 812 void __init native_machine_early_platform_add_devices(void)
 813 {
 814         printk(KERN_INFO "register early platform devices\n");
 815         early_platform_add_devices(ezbrd_early_devices,
 816                 ARRAY_SIZE(ezbrd_early_devices));
 817 }
 818
 819 void native_machine_restart(char *cmd)
 820 {
 821         /* workaround reboot hang when booting from SPI */
 822         if ((bfin_read_SYSCR() & 0x7) == 0x3)
 823                 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
 824 }
 825
 826 int bfin_get_ether_addr(char *addr)
 827 {
 828         /* the MAC is stored in OTP memory page 0xDF */
 829         u32 ret;
 830         u64 otp_mac;
 831         u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
 832
 833         ret = otp_read(0xDF, 0x00, &otp_mac);
 834         if (!(ret & 0x1)) {
 835                 char *otp_mac_p = (char *)&otp_mac;
 836                 for (ret = 0; ret < 6; ++ret)
 837                         addr[ret] = otp_mac_p[5 - ret];
 838         }
 839         return 0;
 840 }
 841 EXPORT_SYMBOL(bfin_get_ether_addr);