diff --git a/arch/arm/dts/at91sam9g20-taurus.dts b/arch/arm/dts/at91sam9g20-taurus.dts
index 7931c0a..cee228b 100644
--- a/arch/arm/dts/at91sam9g20-taurus.dts
+++ b/arch/arm/dts/at91sam9g20-taurus.dts
@@ -98,6 +98,7 @@
 			};
 
 			watchdog@fffffd40 {
+				timeout-sec = <15>;
 				status = "okay";
 			};