ARM: S5P6442: Add Watchdog support for S5P6442

This patch adds support for Watchdog timer for Samsung S5P6442.
Signed-off-by: Banajit Goswami <banajit.g@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s5p6442/Kconfig

@@ -19,6 +19,8 @@ config CPU_S5P6442
 config MACH_SMDK6442
 	bool "SMDK6442"
 	select CPU_S5P6442
+	select S3C_DEV_WDT
+	select HAVE_S3C2410_WATCHDOG
 	help
 	  Machine support for Samsung SMDK6442
 

arch/arm/mach-s5p6442/clock.c

@@ -360,6 +360,12 @@ static struct clk init_clocks[] = {
 		.parent		= &clk_pclkd1,
 		.enable		= s5p6442_clk_ip3_ctrl,
 		.ctrlbit	= (1<<19),
+	}, {
+		.name		= "watchdog",
+		.id		= -1,
+		.parent		= &clk_pclkd1,
+		.enable		= s5p6442_clk_ip3_ctrl,
+		.ctrlbit	= (1 << 22),
 	}, {
 		.name		= "timers",
 		.id		= -1,

arch/arm/mach-s5p6442/mach-smdk6442.c

@@ -66,6 +66,7 @@ static struct s3c2410_uartcfg smdk6442_uartcfgs[] __initdata = {
 
 static struct platform_device *smdk6442_devices[] __initdata = {
 	&s5p6442_device_iis0,
+	&s3c_device_wdt,
 };
 
 static void __init smdk6442_map_io(void)