diff --git a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
index e3725304fed0..52462e61b719 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
@@ -126,6 +126,8 @@
 		reg = <0>;
 		interrupts-extended = <&gpio4 23 IRQ_TYPE_LEVEL_LOW>;
 		reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
+		reset-assert-us = <10000>;
+		reset-deassert-us = <300>;
 	};
 };