diff --git a/arch/arm64/boot/dts/renesas/gray-hawk-single.dtsi b/arch/arm64/boot/dts/renesas/gray-hawk-single.dtsi
index 792a4aa8f4a9..274493720b14 100644
--- a/arch/arm64/boot/dts/renesas/gray-hawk-single.dtsi
+++ b/arch/arm64/boot/dts/renesas/gray-hawk-single.dtsi
@@ -213,6 +213,8 @@
 			reg = <0>;
 			interrupts-extended = <&gpio7 5 IRQ_TYPE_LEVEL_LOW>;
 			reset-gpios = <&gpio7 10 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <10000>;
+			reset-deassert-us = <300>;
 		};
 	};
 };