arch/blackfin/mach-bf561/boards/ezkit.c

   1 /*
   2  * File:         arch/blackfin/mach-bf561/ezkit.c
   3  * Based on:
   4  * Author:
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Modified:
  10  *               Copyright 2004-2006 Analog Devices Inc.
  11  *
  12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, see the file COPYING, or write
  26  * to the Free Software Foundation, Inc.,
  27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  28  */
  29
  30 #include <linux/device.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/spi/spi.h>
  33 #include <asm/irq.h>
  34 #include <asm/bfin5xx_spi.h>
  35
  36 /*
  37  * Name the Board for the /proc/cpuinfo
  38  */
  39 char *bfin_board_name = "ADDS-BF561-EZKIT";
  40
  41 /*
  42  *  USB-LAN EzExtender board
  43  *  Driver needs to know address, irq and flag pin.
  44  */
  45 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
  46 static struct resource smc91x_resources[] = {
  47         {
  48                 .name = "smc91x-regs",
  49                 .start = 0x2C010300,
  50                 .end = 0x2C010300 + 16,
  51                 .flags = IORESOURCE_MEM,
  52         },{
  53
  54                 .start = IRQ_PF9,
  55                 .end = IRQ_PF9,
  56                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
  57         },
  58 };
  59
  60 static struct platform_device smc91x_device = {
  61         .name = "smc91x",
  62         .id = 0,
  63         .num_resources = ARRAY_SIZE(smc91x_resources),
  64         .resource = smc91x_resources,
  65 };
  66 #endif
  67
  68 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
  69 static struct resource bfin_uart_resources[] = {
  70         {
  71                 .start = 0xFFC00400,
  72                 .end = 0xFFC004FF,
  73                 .flags = IORESOURCE_MEM,
  74         },
  75 };
  76
  77 static struct platform_device bfin_uart_device = {
  78         .name = "bfin-uart",
  79         .id = 1,
  80         .num_resources = ARRAY_SIZE(bfin_uart_resources),
  81         .resource = bfin_uart_resources,
  82 };
  83 #endif
  84
  85 #ifdef CONFIG_SPI_BFIN
  86 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
  87         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
  88 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
  89         .enable_dma = 0,
  90         .bits_per_word = 16,
  91 };
  92 #endif
  93 #endif
  94
  95 /* SPI controller data */
  96 static struct bfin5xx_spi_master spi_bfin_master_info = {
  97         .num_chipselect = 8,
  98         .enable_dma = 1,  /* master has the ability to do dma transfer */
  99 };
 100
 101 static struct platform_device spi_bfin_master_device = {
 102         .name = "bfin-spi-master",
 103         .id = 1, /* Bus number */
 104         .dev = {
 105                 .platform_data = &spi_bfin_master_info, /* Passed to driver */
 106         },
 107 };
 108
 109 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 110 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
 111         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
 112         {
 113                 .modalias = "ad1836-spi",
 114                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 115                 .bus_num = 1,
 116                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
 117                 .controller_data = &ad1836_spi_chip_info,
 118         },
 119 #endif
 120 };
 121
 122 static struct platform_device *ezkit_devices[] __initdata = {
 123 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 124         &smc91x_device,
 125 #endif
 126 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
 127         &spi_bfin_master_device,
 128 #endif
 129 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
 130         &bfin_uart_device,
 131 #endif
 132 };
 133
 134 static int __init ezkit_init(void)
 135 {
 136         int ret;
 137
 138         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
 139         ret = platform_add_devices(ezkit_devices,
 140                  ARRAY_SIZE(ezkit_devices));
 141         if (ret < 0)
 142                 return ret;
 143         return spi_register_board_info(bfin_spi_board_info,
 144                                 ARRAY_SIZE(bfin_spi_board_info));
 145 }
 146
 147 arch_initcall(ezkit_init);