diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
index fe42a43204bb..78a511e6e482 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
@@ -575,6 +575,10 @@ &wdt1 {
 	pinctrl-0 = <&pinctrl_wdtrst1_default>;
 };
 
+&wdt2 {
+	aspeed,alt-boot;
+};
+
 &ibt {
 	status = "okay";
 };