arch/mips/bcm63xx/dev-wdt.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
   7  */
   8
   9 #include <linux/init.h>
  10 #include <linux/kernel.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/platform_data/bcm7038_wdt.h>
  13 #include <bcm63xx_cpu.h>
  14
  15 static struct resource wdt_resources[] = {
  16         {
  17                 .start          = -1, /* filled at runtime */
  18                 .end            = -1, /* filled at runtime */
  19                 .flags          = IORESOURCE_MEM,
  20         },
  21 };
  22
  23 static struct bcm7038_wdt_platform_data bcm63xx_wdt_pdata = {
  24         .clk_name       = "periph",
  25 };
  26
  27 static struct platform_device bcm63xx_wdt_device = {
  28         .name           = "bcm63xx-wdt",
  29         .id             = -1,
  30         .num_resources  = ARRAY_SIZE(wdt_resources),
  31         .resource       = wdt_resources,
  32         .dev            = {
  33                 .platform_data = &bcm63xx_wdt_pdata,
  34         },
  35 };
  36
  37 static int __init bcm63xx_wdt_register(void)
  38 {
  39         wdt_resources[0].start = bcm63xx_regset_address(RSET_WDT);
  40         wdt_resources[0].end = wdt_resources[0].start;
  41         wdt_resources[0].end += RSET_WDT_SIZE - 1;
  42
  43         return platform_device_register(&bcm63xx_wdt_device);
  44 }
  45 arch_initcall(bcm63xx_wdt_register);