diff --git a/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
index b4060bae5c6f..8c323442c68e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-box.dtsi
@@ -158,7 +158,7 @@
 		pwms = <&pwm1 0 5000 1>;
 		regulator-name = "vdd_logic";
 		regulator-min-microvolt = <800000>;
-		regulator-max-microvolt = <1200000>;
+		regulator-max-microvolt = <1100000>;
 		regulator-init-microvolt = <950000>;
 		regulator-always-on;
 		regulator-boot-on;