watchdog: at91rm9200: add DT support

Add DT support for at91rm9200_wdt.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

2 files changed, 10 insertions, 1 deletions

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 83ac1f7ac32c..0374e0edb923 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -117,7 +117,7 @@ config ARM_SP805_WATCHDOG
 
 config AT91RM9200_WATCHDOG
         tristate "AT91RM9200 watchdog"
-        depends on ARCH_AT91RM9200
+        depends on ARCH_AT91
         help
           Watchdog timer embedded into AT91RM9200 chips. This will reboot your
           system when the timeout is reached.
diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c
index 89831ed24a4f..1c75260b987c 100644
--- a/drivers/watchdog/at91rm9200_wdt.c
+++ b/drivers/watchdog/at91rm9200_wdt.c
@@ -24,6 +24,8 @@
 #include <linux/types.h>
 #include <linux/watchdog.h>
 #include <linux/uaccess.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 #include <mach/at91_st.h>
 
 #define WDT_DEFAULT_TIME        5       /* seconds */
@@ -252,6 +254,12 @@ static int at91wdt_resume(struct platform_device *pdev)
 #define at91wdt_resume  NULL
 #endif
 
+static const struct of_device_id at91_wdt_dt_ids[] = {
+        { .compatible = "atmel,at91rm9200-wdt" },
+        { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, at91_wdt_dt_ids);
+
 static struct platform_driver at91wdt_driver = {
         .probe          = at91wdt_probe,
         .remove         = at91wdt_remove,
@@ -261,6 +269,7 @@ static struct platform_driver at91wdt_driver = {
         .driver         = {
                 .name   = "at91_wdt",
                 .owner  = THIS_MODULE,
+                .of_match_table = of_match_ptr(at91_wdt_dt_ids),
         },
 };