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 #include <linux/usb/isp1362.h>
  38 #include <linux/pata_platform.h>
  39 #include <linux/irq.h>
  40 #include <asm/dma.h>
  41 #include <asm/bfin5xx_spi.h>
  42 #include <asm/portmux.h>
  43
  44 /*
  45  * Name the Board for the /proc/cpuinfo
  46  */
  47 const char bfin_board_name[] = "ADDS-BF533-EZKIT";
  48
  49 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
  50 static struct platform_device rtc_device = {
  51         .name = "rtc-bfin",
  52         .id   = -1,
  53 };
  54 #endif
  55
  56 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
  57 static struct platform_device bfin_fb_adv7393_device = {
  58         .name = "bfin-adv7393",
  59 };
  60 #endif
  61
  62 /*
  63  *  USB-LAN EzExtender board
  64  *  Driver needs to know address, irq and flag pin.
  65  */
  66 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  67 static struct resource smc91x_resources[] = {
  68         {
  69                 .name = "smc91x-regs",
  70                 .start = 0x20310300,
  71                 .end = 0x20310300 + 16,
  72                 .flags = IORESOURCE_MEM,
  73         }, {
  74                 .start = IRQ_PF9,
  75                 .end = IRQ_PF9,
  76                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  77         },
  78 };
  79 static struct platform_device smc91x_device = {
  80         .name = "smc91x",
  81         .id = 0,
  82         .num_resources = ARRAY_SIZE(smc91x_resources),
  83         .resource = smc91x_resources,
  84 };
  85 #endif
  86
  87 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
  88 /* all SPI peripherals info goes here */
  89
  90 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
  91 static struct mtd_partition bfin_spi_flash_partitions[] = {
  92         {
  93                 .name = "bootloader",
  94                 .size = 0x00020000,
  95                 .offset = 0,
  96                 .mask_flags = MTD_CAP_ROM
  97         }, {
  98                 .name = "kernel",
  99                 .size = 0xe0000,
 100                 .offset = 0x20000
 101         }, {
 102                 .name = "file system",
 103                 .size = 0x700000,
 104                 .offset = 0x00100000,
 105         }
 106 };
 107
 108 static struct flash_platform_data bfin_spi_flash_data = {
 109         .name = "m25p80",
 110         .parts = bfin_spi_flash_partitions,
 111         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 112         .type = "m25p64",
 113 };
 114
 115 /* SPI flash chip (m25p64) */
 116 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 117         .enable_dma = 0,         /* use dma transfer with this chip*/
 118         .bits_per_word = 8,
 119 };
 120 #endif
 121
 122 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 123 /* SPI ADC chip */
 124 static struct bfin5xx_spi_chip spi_adc_chip_info = {
 125         .enable_dma = 1,         /* use dma transfer with this chip*/
 126         .bits_per_word = 16,
 127 };
 128 #endif
 129
 130 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 131 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 132         .enable_dma = 0,
 133         .bits_per_word = 16,
 134 };
 135 #endif
 136
 137 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 138 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
 139         {
 140                 /* the modalias must be the same as spi device driver name */
 141                 .modalias = "m25p80", /* Name of spi_driver for this device */
 142                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 143                 .bus_num = 0, /* Framework bus number */
 144                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
 145                 .platform_data = &bfin_spi_flash_data,
 146                 .controller_data = &spi_flash_chip_info,
 147                 .mode = SPI_MODE_3,
 148         },
 149 #endif
 150
 151 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
 152         {
 153                 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
 154                 .max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
 155                 .bus_num = 0, /* Framework bus number */
 156                 .chip_select = 1, /* Framework chip select. */
 157                 .platform_data = NULL, /* No spi_driver specific config */
 158                 .controller_data = &spi_adc_chip_info,
 159         },
 160 #endif
 161
 162 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 163         {
 164                 .modalias = "ad1836-spi",
 165                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 166                 .bus_num = 0,
 167                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 168                 .controller_data = &ad1836_spi_chip_info,
 169         },
 170 #endif
 171 };
 172
 173 /* SPI (0) */
 174 static struct resource bfin_spi0_resource[] = {
 175         [0] = {
 176                 .start = SPI0_REGBASE,
 177                 .end   = SPI0_REGBASE + 0xFF,
 178                 .flags = IORESOURCE_MEM,
 179         },
 180         [1] = {
 181                 .start = CH_SPI,
 182                 .end   = CH_SPI,
 183                 .flags = IORESOURCE_IRQ,
 184         }
 185 };
 186
 187 /* SPI controller data */
 188 static struct bfin5xx_spi_master bfin_spi0_info = {
 189         .num_chipselect = 8,
 190         .enable_dma = 1,  /* master has the ability to do dma transfer */
 191         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
 192 };
 193
 194 static struct platform_device bfin_spi0_device = {
 195         .name = "bfin-spi",
 196         .id = 0, /* Bus number */
 197         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
 198         .resource = bfin_spi0_resource,
 199         .dev = {
 200                 .platform_data = &bfin_spi0_info, /* Passed to driver */
 201         },
 202 };
 203 #endif  /* spi master and devices */
 204
 205 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 206 static struct resource bfin_uart_resources[] = {
 207         {
 208                 .start = 0xFFC00400,
 209                 .end = 0xFFC004FF,
 210                 .flags = IORESOURCE_MEM,
 211         },
 212 };
 213
 214 static struct platform_device bfin_uart_device = {
 215         .name = "bfin-uart",
 216         .id = 1,
 217         .num_resources = ARRAY_SIZE(bfin_uart_resources),
 218         .resource = bfin_uart_resources,
 219 };
 220 #endif
 221
 222 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 223 #define PATA_INT        55
 224
 225 static struct pata_platform_info bfin_pata_platform_data = {
 226         .ioport_shift = 1,
 227         .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
 228 };
 229
 230 static struct resource bfin_pata_resources[] = {
 231         {
 232                 .start = 0x20314020,
 233                 .end = 0x2031403F,
 234                 .flags = IORESOURCE_MEM,
 235         },
 236         {
 237                 .start = 0x2031401C,
 238                 .end = 0x2031401F,
 239                 .flags = IORESOURCE_MEM,
 240         },
 241         {
 242                 .start = PATA_INT,
 243                 .end = PATA_INT,
 244                 .flags = IORESOURCE_IRQ,
 245         },
 246 };
 247
 248 static struct platform_device bfin_pata_device = {
 249         .name = "pata_platform",
 250         .id = -1,
 251         .num_resources = ARRAY_SIZE(bfin_pata_resources),
 252         .resource = bfin_pata_resources,
 253         .dev = {
 254                 .platform_data = &bfin_pata_platform_data,
 255         }
 256 };
 257 #endif
 258
 259 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 260 #include <linux/input.h>
 261 #include <linux/gpio_keys.h>
 262
 263 static struct gpio_keys_button bfin_gpio_keys_table[] = {
 264         {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
 265         {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
 266         {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
 267         {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
 268 };
 269
 270 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
 271         .buttons        = bfin_gpio_keys_table,
 272         .nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
 273 };
 274
 275 static struct platform_device bfin_device_gpiokeys = {
 276         .name      = "gpio-keys",
 277         .dev = {
 278                 .platform_data = &bfin_gpio_keys_data,
 279         },
 280 };
 281 #endif
 282
 283 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 284 #include <linux/i2c-gpio.h>
 285
 286 static struct i2c_gpio_platform_data i2c_gpio_data = {
 287         .sda_pin                = 1,
 288         .scl_pin                = 0,
 289         .sda_is_open_drain      = 0,
 290         .scl_is_open_drain      = 0,
 291         .udelay                 = 40,
 292 };
 293
 294 static struct platform_device i2c_gpio_device = {
 295         .name           = "i2c-gpio",
 296         .id             = 0,
 297         .dev            = {
 298                 .platform_data  = &i2c_gpio_data,
 299         },
 300 };
 301 #endif
 302
 303 static struct platform_device *ezkit_devices[] __initdata = {
 304 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 305         &smc91x_device,
 306 #endif
 307
 308 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 309         &bfin_spi0_device,
 310 #endif
 311
 312 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
 313         &bfin_fb_adv7393_device,
 314 #endif
 315
 316 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 317         &rtc_device,
 318 #endif
 319
 320 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 321         &bfin_uart_device,
 322 #endif
 323
 324 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 325         &bfin_pata_device,
 326 #endif
 327
 328 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 329         &bfin_device_gpiokeys,
 330 #endif
 331
 332 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 333         &i2c_gpio_device,
 334 #endif
 335 };
 336
 337 static int __init ezkit_init(void)
 338 {
 339         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
 340         platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
 341 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 342         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 343 #endif
 344
 345 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 346         irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
 347 #endif
 348         return 0;
 349 }
 350
 351 arch_initcall(ezkit_init);