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>

3 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/mach-s5p6442/Kconfig b/arch/arm/mach-s5p6442/Kconfig
index 0fd41b447915..7cd28435b50b 100644
--- a/arch/arm/mach-s5p6442/Kconfig
+++ b/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
 
diff --git a/arch/arm/mach-s5p6442/clock.c b/arch/arm/mach-s5p6442/clock.c
index 087e57f20ad5..dcd20f17212a 100644
--- a/arch/arm/mach-s5p6442/clock.c
+++ b/arch/arm/mach-s5p6442/clock.c
@@ -361,6 +361,12 @@ static struct clk init_clocks[] = {
                 .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,
                 .parent         = &clk_pclkd1,
diff --git a/arch/arm/mach-s5p6442/mach-smdk6442.c b/arch/arm/mach-s5p6442/mach-smdk6442.c
index ebcf99777259..6e061bec6b74 100644
--- a/arch/arm/mach-s5p6442/mach-smdk6442.c
+++ b/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)