xref: /openbmc/linux/arch/mips/bcm63xx/dev-wdt.c (revision 2cf1c348)
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 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);
46