arch/blackfin/mach-bf533/boards/ezkit.c

   1 /*
   2  * File:         arch/blackfin/mach-bf533/ezkit.c
   3  * Based on:     Original Work
   4  * Author:       Aidan Williams <aidan@nicta.com.au>
   5  *
   6  * Created:      2005
   7  * Description:
   8  *
   9  * Modified:     Robin Getz <rgetz@blackfin.uclinux.org> - Named the boards
  10  *               Copyright 2005 National ICT Australia (NICTA)
  11  *               Copyright 2004-2006 Analog Devices Inc.
  12  *
  13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; if not, see the file COPYING, or write
  27  * to the Free Software Foundation, Inc.,
  28  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  29  */
  30
  31 #include <linux/device.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/mtd/mtd.h>
  34 #include <linux/mtd/partitions.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/spi/flash.h>
  37 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
  38 #include <linux/usb/isp1362.h>
  39 #endif
  40 #include <linux/irq.h>
  41 #include <asm/dma.h>
  42 #include <asm/bfin5xx_spi.h>
  43 #include <asm/portmux.h>
  44 #include <asm/dpmc.h>
  45
  46 /*
  47  * Name the Board for the /proc/cpuinfo
  48  */
  49 const char bfin_board_name[] = "ADI BF533-EZKIT";
  50
  51 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  52 static struct platform_device rtc_device = {
  53         .name = "rtc-bfin",
  54         .id   = -1,
  55 };
  56 #endif
  57
  58 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
  59 static struct platform_device bfin_fb_adv7393_device = {
  60         .name = "bfin-adv7393",
  61 };
  62 #endif
  63
  64 /*
  65  *  USB-LAN EzExtender board
  66  *  Driver needs to know address, irq and flag pin.
  67  */
  68 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  69 static struct resource smc91x_resources[] = {
  70         {
  71                 .name = "smc91x-regs",
  72                 .start = 0x20310300,
  73                 .end = 0x20310300 + 16,
  74                 .flags = IORESOURCE_MEM,
  75         }, {
  76                 .start = IRQ_PF9,
  77                 .end = IRQ_PF9,
  78                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  79         },
  80 };
  81 static struct platform_device smc91x_device = {
  82         .name = "smc91x",
  83         .id = 0,
  84         .num_resources = ARRAY_SIZE(smc91x_resources),
  85         .resource = smc91x_resources,
  86 };
  87 #endif
  88
  89 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
  90 static struct mtd_partition bfin_spi_flash_partitions[] = {
  91         {
  92                 .name = "bootloader(spi)",
  93                 .size = 0x00020000,
  94                 .offset = 0,
  95                 .mask_flags = MTD_CAP_ROM
  96         }, {
  97                 .name = "linux kernel(spi)",
  98                 .size = 0xe0000,
  99                 .offset = MTDPART_OFS_APPEND,
 100         }, {
 101                 .name = "file system(spi)",
 102                 .size = MTDPART_SIZ_FULL,
 103                 .offset = MTDPART_OFS_APPEND,
 104         }
 105 };
 106
 107 static struct flash_platform_data bfin_spi_flash_data = {
 108         .name = "m25p80",
 109         .parts = bfin_spi_flash_partitions,
 110         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 111         .type = "m25p64",
 112 };
 113
 114 /* SPI flash chip (m25p64) */
 115 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 116         .enable_dma = 0,         /* use dma transfer with this chip*/
 117         .bits_per_word = 8,
 118 };
 119 #endif
 120
 121 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 122 /* SPI ADC chip */
 123 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 124         .enable_dma = 1,         /* use dma transfer with this chip*/
 125         .bits_per_word = 16,
 126 };
 127 #endif
 128
 129 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 130 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 131         .enable_dma = 0,
 132         .bits_per_word = 16,
 133 };
 134 #endif
 135
 136 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 137 static struct bfin5xx_spi_chip spidev_chip_info = {
 138         .enable_dma = 0,
 139         .bits_per_word = 8,
 140 };
 141 #endif
 142
 143 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 144 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 145         {
 146                 /* the modalias must be the same as spi device driver name */
 147                 .modalias = "m25p80", /* Name of spi_driver for this device */
 148                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 149                 .bus_num = 0, /* Framework bus number */
 150                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 151                 .platform_data = &bfin_spi_flash_data,
 152                 .controller_data = &spi_flash_chip_info,
 153                 .mode = SPI_MODE_3,
 154         },
 155 #endif
 156
 157 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 158         {
 159                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 160                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 161                 .bus_num = 0, /* Framework bus number */
 162                 .chip_select = 1, /* Framework chip select. */
 163                 .platform_data = NULL, /* No spi_driver specific config */
 164                 .controller_data = &spi_adc_chip_info,
 165         },
 166 #endif
 167
 168 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 169         {
 170                 .modalias = "ad1836-spi",
 171                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 172                 .bus_num = 0,
 173                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 174                 .controller_data = &ad1836_spi_chip_info,
 175         },
 176 #endif
 177 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 178         {
 179                 .modalias = "spidev",
 180                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 181                 .bus_num = 0,
 182                 .chip_select = 1,
 183                 .controller_data = &spidev_chip_info,
 184         },
 185 #endif
 186 };
 187
 188 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 189 /* SPI (0) */
 190 static struct resource bfin_spi0_resource[] = {
 191         [0] = {
 192                 .start = SPI0_REGBASE,
 193                 .end   = SPI0_REGBASE + 0xFF,
 194                 .flags = IORESOURCE_MEM,
 195         },
 196         [1] = {
 197                 .start = CH_SPI,
 198                 .end   = CH_SPI,
 199                 .flags = IORESOURCE_IRQ,
 200         }
 201 };
 202
 203 /* SPI controller data */
 204 static struct bfin5xx_spi_master bfin_spi0_info = {
 205         .num_chipselect = 8,
 206         .enable_dma = 1,  /* master has the ability to do dma transfer */
 207         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 208 };
 209
 210 static struct platform_device bfin_spi0_device = {
 211         .name = "bfin-spi",
 212         .id = 0, /* Bus number */
 213         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 214         .resource = bfin_spi0_resource,
 215         .dev = {
 216                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 217         },
 218 };
 219 #endif  /* spi master and devices */
 220
 221 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 222 static struct resource bfin_uart_resources[] = {
 223         {
 224                 .start = 0xFFC00400,
 225                 .end = 0xFFC004FF,
 226                 .flags = IORESOURCE_MEM,
 227         },
 228 };
 229
 230 static struct platform_device bfin_uart_device = {
 231         .name = "bfin-uart",
 232         .id = 1,
 233         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 234         .resource = bfin_uart_resources,
 235 };
 236 #endif
 237
 238 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 239 #ifdef CONFIG_BFIN_SIR0
 240 static struct resource bfin_sir0_resources[] = {
 241         {
 242                 .start = 0xFFC00400,
 243                 .end = 0xFFC004FF,
 244                 .flags = IORESOURCE_MEM,
 245         },
 246         {
 247                 .start = IRQ_UART0_RX,
 248                 .end = IRQ_UART0_RX+1,
 249                 .flags = IORESOURCE_IRQ,
 250         },
 251         {
 252                 .start = CH_UART0_RX,
 253                 .end = CH_UART0_RX+1,
 254                 .flags = IORESOURCE_DMA,
 255         },
 256 };
 257
 258 static struct platform_device bfin_sir0_device = {
 259         .name = "bfin_sir",
 260         .id = 0,
 261         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
 262         .resource = bfin_sir0_resources,
 263 };
 264 #endif
 265 #endif
 266
 267 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 268 #include <linux/input.h>
 269 #include <linux/gpio_keys.h>
 270
 271 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 272         {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
 273         {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
 274         {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
 275         {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
 276 };
 277
 278 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 279         .buttons        = bfin_gpio_keys_table,
 280         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 281 };
 282
 283 static struct platform_device bfin_device_gpiokeys = {
 284         .name      = "gpio-keys",
 285         .dev = {
 286                 .platform_data = &bfin_gpio_keys_data,
 287         },
 288 };
 289 #endif
 290
 291 static struct resource bfin_gpios_resources = {
 292         .start = 0,
 293         .end   = MAX_BLACKFIN_GPIOS - 1,
 294         .flags = IORESOURCE_IRQ,
 295 };
 296
 297 static struct platform_device bfin_gpios_device = {
 298         .name = "simple-gpio",
 299         .id = -1,
 300         .num_resources = 1,
 301         .resource = &bfin_gpios_resources,
 302 };
 303
 304 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 305 #include <linux/i2c-gpio.h>
 306
 307 static struct i2c_gpio_platform_data i2c_gpio_data = {
 308         .sda_pin                = 1,
 309         .scl_pin                = 0,
 310         .sda_is_open_drain      = 0,
 311         .scl_is_open_drain      = 0,
 312         .udelay                 = 40,
 313 };
 314
 315 static struct platform_device i2c_gpio_device = {
 316         .name           = "i2c-gpio",
 317         .id             = 0,
 318         .dev            = {
 319                 .platform_data  = &i2c_gpio_data,
 320         },
 321 };
 322 #endif
 323
 324 static const unsigned int cclk_vlev_datasheet[] =
 325 {
 326         VRPAIR(VLEV_085, 250000000),
 327         VRPAIR(VLEV_090, 376000000),
 328         VRPAIR(VLEV_095, 426000000),
 329         VRPAIR(VLEV_100, 426000000),
 330         VRPAIR(VLEV_105, 476000000),
 331         VRPAIR(VLEV_110, 476000000),
 332         VRPAIR(VLEV_115, 476000000),
 333         VRPAIR(VLEV_120, 600000000),
 334         VRPAIR(VLEV_125, 600000000),
 335         VRPAIR(VLEV_130, 600000000),
 336 };
 337
 338 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
 339         .tuple_tab = cclk_vlev_datasheet,
 340         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
 341         .vr_settling_time = 25 /* us */,
 342 };
 343
 344 static struct platform_device bfin_dpmc = {
 345         .name = "bfin dpmc",
 346         .dev = {
 347                 .platform_data = &bfin_dmpc_vreg_data,
 348         },
 349 };
 350
 351 static struct platform_device *ezkit_devices[] __initdata = {
 352
 353         &bfin_dpmc,
 354
 355 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 356         &smc91x_device,
 357 #endif
 358
 359 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 360         &bfin_spi0_device,
 361 #endif
 362
 363 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 364         &bfin_fb_adv7393_device,
 365 #endif
 366
 367 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 368         &rtc_device,
 369 #endif
 370
 371 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 372         &bfin_uart_device,
 373 #endif
 374
 375 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 376 #ifdef CONFIG_BFIN_SIR0
 377         &bfin_sir0_device,
 378 #endif
 379 #endif
 380
 381 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 382         &bfin_device_gpiokeys,
 383 #endif
 384
 385 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 386         &i2c_gpio_device,
 387 #endif
 388
 389         &bfin_gpios_device,
 390 };
 391
 392 static int __init ezkit_init(void)
 393 {
 394         printk(KERN_INFO "%s(): registering device resources\n", __func__);
 395         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 396         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 397         return 0;
 398 }
 399
 400 arch_initcall(ezkit_init);