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 <linux/gpio/machine.h>
  23 #include <asm/dma.h>
  24 #include <asm/bfin5xx_spi.h>
  25 #include <asm/portmux.h>
  26 #include <asm/dpmc.h>
  27
  28 /*
  29  * Name the Board for the /proc/cpuinfo
  30  */
  31 const char bfin_board_name[] = "ADI BF533-EZKIT";
  32
  33 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
  34 static struct platform_device rtc_device = {
  35         .name = "rtc-bfin",
  36         .id   = -1,
  37 };
  38 #endif
  39
  40 /*
  41  *  USB-LAN EzExtender board
  42  *  Driver needs to know address, irq and flag pin.
  43  */
  44 #if IS_ENABLED(CONFIG_SMC91X)
  45 #include <linux/smc91x.h>
  46
  47 static struct smc91x_platdata smc91x_info = {
  48         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  49         .leda = RPC_LED_100_10,
  50         .ledb = RPC_LED_TX_RX,
  51 };
  52
  53 static struct resource smc91x_resources[] = {
  54         {
  55                 .name = "smc91x-regs",
  56                 .start = 0x20310300,
  57                 .end = 0x20310300 + 16,
  58                 .flags = IORESOURCE_MEM,
  59         }, {
  60                 .start = IRQ_PF9,
  61                 .end = IRQ_PF9,
  62                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  63         },
  64 };
  65 static struct platform_device smc91x_device = {
  66         .name = "smc91x",
  67         .id = 0,
  68         .num_resources = ARRAY_SIZE(smc91x_resources),
  69         .resource = smc91x_resources,
  70         .dev    = {
  71                 .platform_data  = &smc91x_info,
  72         },
  73 };
  74 #endif
  75
  76 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
  77 static struct mtd_partition ezkit_partitions_a[] = {
  78         {
  79                 .name       = "bootloader(nor a)",
  80                 .size       = 0x40000,
  81                 .offset     = 0,
  82         }, {
  83                 .name       = "linux kernel(nor a)",
  84                 .size       = MTDPART_SIZ_FULL,
  85                 .offset     = MTDPART_OFS_APPEND,
  86         },
  87 };
  88
  89 static struct physmap_flash_data ezkit_flash_data_a = {
  90         .width      = 2,
  91         .parts      = ezkit_partitions_a,
  92         .nr_parts   = ARRAY_SIZE(ezkit_partitions_a),
  93 };
  94
  95 static struct resource ezkit_flash_resource_a = {
  96         .start = 0x20000000,
  97         .end   = 0x200fffff,
  98         .flags = IORESOURCE_MEM,
  99 };
 100
 101 static struct platform_device ezkit_flash_device_a = {
 102         .name          = "physmap-flash",
 103         .id            = 0,
 104         .dev = {
 105                 .platform_data = &ezkit_flash_data_a,
 106         },
 107         .num_resources = 1,
 108         .resource      = &ezkit_flash_resource_a,
 109 };
 110
 111 static struct mtd_partition ezkit_partitions_b[] = {
 112         {
 113                 .name   = "file system(nor b)",
 114                 .size   = MTDPART_SIZ_FULL,
 115                 .offset = MTDPART_OFS_APPEND,
 116         },
 117 };
 118
 119 static struct physmap_flash_data ezkit_flash_data_b = {
 120         .width      = 2,
 121         .parts      = ezkit_partitions_b,
 122         .nr_parts   = ARRAY_SIZE(ezkit_partitions_b),
 123 };
 124
 125 static struct resource ezkit_flash_resource_b = {
 126         .start = 0x20100000,
 127         .end   = 0x201fffff,
 128         .flags = IORESOURCE_MEM,
 129 };
 130
 131 static struct platform_device ezkit_flash_device_b = {
 132         .name          = "physmap-flash",
 133         .id            = 4,
 134         .dev = {
 135                 .platform_data = &ezkit_flash_data_b,
 136         },
 137         .num_resources = 1,
 138         .resource      = &ezkit_flash_resource_b,
 139 };
 140 #endif
 141
 142 #if IS_ENABLED(CONFIG_MTD_PLATRAM)
 143 static struct platdata_mtd_ram sram_data_a = {
 144         .mapname   = "Flash A SRAM",
 145         .bankwidth = 2,
 146 };
 147
 148 static struct resource sram_resource_a = {
 149         .start = 0x20240000,
 150         .end   = 0x2024ffff,
 151         .flags = IORESOURCE_MEM,
 152 };
 153
 154 static struct platform_device sram_device_a = {
 155         .name          = "mtd-ram",
 156         .id            = 8,
 157         .dev = {
 158                 .platform_data = &sram_data_a,
 159         },
 160         .num_resources = 1,
 161         .resource      = &sram_resource_a,
 162 };
 163
 164 static struct platdata_mtd_ram sram_data_b = {
 165         .mapname   = "Flash B SRAM",
 166         .bankwidth = 2,
 167 };
 168
 169 static struct resource sram_resource_b = {
 170         .start = 0x202c0000,
 171         .end   = 0x202cffff,
 172         .flags = IORESOURCE_MEM,
 173 };
 174
 175 static struct platform_device sram_device_b = {
 176         .name          = "mtd-ram",
 177         .id            = 9,
 178         .dev = {
 179                 .platform_data = &sram_data_b,
 180         },
 181         .num_resources = 1,
 182         .resource      = &sram_resource_b,
 183 };
 184 #endif
 185
 186 #if IS_ENABLED(CONFIG_MTD_M25P80)
 187 static struct mtd_partition bfin_spi_flash_partitions[] = {
 188         {
 189                 .name = "bootloader(spi)",
 190                 .size = 0x00020000,
 191                 .offset = 0,
 192                 .mask_flags = MTD_CAP_ROM
 193         }, {
 194                 .name = "linux kernel(spi)",
 195                 .size = 0xe0000,
 196                 .offset = MTDPART_OFS_APPEND,
 197         }, {
 198                 .name = "file system(spi)",
 199                 .size = MTDPART_SIZ_FULL,
 200                 .offset = MTDPART_OFS_APPEND,
 201         }
 202 };
 203
 204 static struct flash_platform_data bfin_spi_flash_data = {
 205         .name = "m25p80",
 206         .parts = bfin_spi_flash_partitions,
 207         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 208         .type = "m25p64",
 209 };
 210
 211 /* SPI flash chip (m25p64) */
 212 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 213         .enable_dma = 0,         /* use dma transfer with this chip*/
 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, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 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_SND_BF5XX_SOC_AD183X)
 232         {
 233                 .modalias = "ad183x",
 234                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 235                 .bus_num = 0,
 236                 .chip_select = 4,
 237         },
 238 #endif
 239 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
 240         {
 241                 .modalias = "spidev",
 242                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 243                 .bus_num = 0,
 244                 .chip_select = 1,
 245         },
 246 #endif
 247 };
 248
 249 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 250 /* SPI (0) */
 251 static struct resource bfin_spi0_resource[] = {
 252         [0] = {
 253                 .start = SPI0_REGBASE,
 254                 .end   = SPI0_REGBASE + 0xFF,
 255                 .flags = IORESOURCE_MEM,
 256         },
 257         [1] = {
 258                 .start = CH_SPI,
 259                 .end   = CH_SPI,
 260                 .flags = IORESOURCE_DMA,
 261         },
 262         [2] = {
 263                 .start = IRQ_SPI,
 264                 .end   = IRQ_SPI,
 265                 .flags = IORESOURCE_IRQ,
 266         }
 267 };
 268
 269 /* SPI controller data */
 270 static struct bfin5xx_spi_master bfin_spi0_info = {
 271         .num_chipselect = 8,
 272         .enable_dma = 1,  /* master has the ability to do dma transfer */
 273         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 274 };
 275
 276 static struct platform_device bfin_spi0_device = {
 277         .name = "bfin-spi",
 278         .id = 0, /* Bus number */
 279         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 280         .resource = bfin_spi0_resource,
 281         .dev = {
 282                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 283         },
 284 };
 285 #endif  /* spi master and devices */
 286
 287 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 288 #ifdef CONFIG_SERIAL_BFIN_UART0
 289 static struct resource bfin_uart0_resources[] = {
 290         {
 291                 .start = BFIN_UART_THR,
 292                 .end = BFIN_UART_GCTL+2,
 293                 .flags = IORESOURCE_MEM,
 294         },
 295         {
 296                 .start = IRQ_UART0_TX,
 297                 .end = IRQ_UART0_TX,
 298                 .flags = IORESOURCE_IRQ,
 299         },
 300         {
 301                 .start = IRQ_UART0_RX,
 302                 .end = IRQ_UART0_RX,
 303                 .flags = IORESOURCE_IRQ,
 304         },
 305         {
 306                 .start = IRQ_UART0_ERROR,
 307                 .end = IRQ_UART0_ERROR,
 308                 .flags = IORESOURCE_IRQ,
 309         },
 310         {
 311                 .start = CH_UART0_TX,
 312                 .end = CH_UART0_TX,
 313                 .flags = IORESOURCE_DMA,
 314         },
 315         {
 316                 .start = CH_UART0_RX,
 317                 .end = CH_UART0_RX,
 318                 .flags = IORESOURCE_DMA,
 319         },
 320 };
 321
 322 static unsigned short bfin_uart0_peripherals[] = {
 323         P_UART0_TX, P_UART0_RX, 0
 324 };
 325
 326 static struct platform_device bfin_uart0_device = {
 327         .name = "bfin-uart",
 328         .id = 0,
 329         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
 330         .resource = bfin_uart0_resources,
 331         .dev = {
 332                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
 333         },
 334 };
 335 #endif
 336 #endif
 337
 338 #if IS_ENABLED(CONFIG_BFIN_SIR)
 339 #ifdef CONFIG_BFIN_SIR0
 340 static struct resource bfin_sir0_resources[] = {
 341         {
 342                 .start = 0xFFC00400,
 343                 .end = 0xFFC004FF,
 344                 .flags = IORESOURCE_MEM,
 345         },
 346         {
 347                 .start = IRQ_UART0_RX,
 348                 .end = IRQ_UART0_RX+1,
 349                 .flags = IORESOURCE_IRQ,
 350         },
 351         {
 352                 .start = CH_UART0_RX,
 353                 .end = CH_UART0_RX+1,
 354                 .flags = IORESOURCE_DMA,
 355         },
 356 };
 357
 358 static struct platform_device bfin_sir0_device = {
 359         .name = "bfin_sir",
 360         .id = 0,
 361         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 362         .resource = bfin_sir0_resources,
 363 };
 364 #endif
 365 #endif
 366
 367 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 368 #include <linux/input.h>
 369 #include <linux/gpio_keys.h>
 370
 371 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 372         {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
 373         {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
 374         {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
 375         {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
 376 };
 377
 378 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 379         .buttons        = bfin_gpio_keys_table,
 380         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 381 };
 382
 383 static struct platform_device bfin_device_gpiokeys = {
 384         .name      = "gpio-keys",
 385         .dev = {
 386                 .platform_data = &bfin_gpio_keys_data,
 387         },
 388 };
 389 #endif
 390
 391 #if IS_ENABLED(CONFIG_I2C_GPIO)
 392 #include <linux/i2c-gpio.h>
 393
 394 static struct gpiod_lookup_table bfin_i2c_gpiod_table = {
 395         .dev_id = "i2c-gpio",
 396         .table = {
 397                 GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF1, NULL, 0,
 398                                 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 399                 GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF0, NULL, 1,
 400                                 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 401         },
 402 };
 403
 404 static struct i2c_gpio_platform_data i2c_gpio_data = {
 405         .udelay                 = 40,
 406 };
 407
 408 static struct platform_device i2c_gpio_device = {
 409         .name           = "i2c-gpio",
 410         .id             = 0,
 411         .dev            = {
 412                 .platform_data  = &i2c_gpio_data,
 413         },
 414 };
 415 #endif
 416
 417 static const unsigned int cclk_vlev_datasheet[] =
 418 {
 419         VRPAIR(VLEV_085, 250000000),
 420         VRPAIR(VLEV_090, 376000000),
 421         VRPAIR(VLEV_095, 426000000),
 422         VRPAIR(VLEV_100, 426000000),
 423         VRPAIR(VLEV_105, 476000000),
 424         VRPAIR(VLEV_110, 476000000),
 425         VRPAIR(VLEV_115, 476000000),
 426         VRPAIR(VLEV_120, 600000000),
 427         VRPAIR(VLEV_125, 600000000),
 428         VRPAIR(VLEV_130, 600000000),
 429 };
 430
 431 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 432         .tuple_tab = cclk_vlev_datasheet,
 433         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 434         .vr_settling_time = 25 /* us */,
 435 };
 436
 437 static struct platform_device bfin_dpmc = {
 438         .name = "bfin dpmc",
 439         .dev = {
 440                 .platform_data = &bfin_dmpc_vreg_data,
 441         },
 442 };
 443
 444 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 445 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
 446         {
 447                 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
 448         },
 449 #endif
 450 };
 451
 452 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
 453 static struct platform_device bfin_i2s = {
 454         .name = "bfin-i2s",
 455         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 456         /* TODO: add platform data here */
 457 };
 458 #endif
 459
 460 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
 461 static struct platform_device bfin_ac97 = {
 462         .name = "bfin-ac97",
 463         .id = CONFIG_SND_BF5XX_SPORT_NUM,
 464         /* TODO: add platform data here */
 465 };
 466 #endif
 467
 468 static struct platform_device *ezkit_devices[] __initdata = {
 469
 470         &bfin_dpmc,
 471
 472 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
 473         &ezkit_flash_device_a,
 474         &ezkit_flash_device_b,
 475 #endif
 476
 477 #if IS_ENABLED(CONFIG_MTD_PLATRAM)
 478         &sram_device_a,
 479         &sram_device_b,
 480 #endif
 481
 482 #if IS_ENABLED(CONFIG_SMC91X)
 483         &smc91x_device,
 484 #endif
 485
 486 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 487         &bfin_spi0_device,
 488 #endif
 489
 490 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
 491         &rtc_device,
 492 #endif
 493
 494 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
 495 #ifdef CONFIG_SERIAL_BFIN_UART0
 496         &bfin_uart0_device,
 497 #endif
 498 #endif
 499
 500 #if IS_ENABLED(CONFIG_BFIN_SIR)
 501 #ifdef CONFIG_BFIN_SIR0
 502         &bfin_sir0_device,
 503 #endif
 504 #endif
 505
 506 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
 507         &bfin_device_gpiokeys,
 508 #endif
 509
 510 #if IS_ENABLED(CONFIG_I2C_GPIO)
 511         &i2c_gpio_device,
 512 #endif
 513
 514 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
 515         &bfin_i2s,
 516 #endif
 517
 518 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
 519         &bfin_ac97,
 520 #endif
 521 };
 522
 523 static int __init ezkit_init(void)
 524 {
 525         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 526 #if IS_ENABLED(CONFIG_I2C_GPIO)
 527         gpiod_add_lookup_table(&bfin_i2c_gpiod_table);
 528 #endif
 529         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 530         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 531         i2c_register_board_info(0, bfin_i2c_board_info,
 532                                 ARRAY_SIZE(bfin_i2c_board_info));
 533         return 0;
 534 }
 535
 536 arch_initcall(ezkit_init);
 537
 538 static struct platform_device *ezkit_early_devices[] __initdata = {
 539 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
 540 #ifdef CONFIG_SERIAL_BFIN_UART0
 541         &bfin_uart0_device,
 542 #endif
 543 #endif
 544 };
 545
 546 void __init native_machine_early_platform_add_devices(void)
 547 {
 548         printk(KERN_INFO "register early platform devices\n");
 549         early_platform_add_devices(ezkit_early_devices,
 550                 ARRAY_SIZE(ezkit_early_devices));
 551 }