diff --git a/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-sd.dtso b/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-sd.dtso
index 0af1e0a6c7f4..fc53c1aae3b5 100644
--- a/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-sd.dtso
+++ b/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-sd.dtso
@@ -25,6 +25,7 @@
 		regulator-max-microvolt = <3300000>;
 		gpios-states = <0>;
 		states = <3300000 0>, <1800000 1>;
+		regulator-ramp-delay = <60>;
 	};
 };