diff --git a/arch/arm64/boot/dts/rockchip/rk3368a-817-tablet-bnd.dts b/arch/arm64/boot/dts/rockchip/rk3368a-817-tablet-bnd.dts
index 054d54cf401a..1243d84d92c0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368a-817-tablet-bnd.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3368a-817-tablet-bnd.dts
@@ -472,12 +472,12 @@
 			vcc_io: DCDC_REG4 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <3300000>;
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
 				regulator-name = "vcc_io";
 				regulator-state-mem {
 					regulator-off-in-suspend;
-					regulator-suspend-microvolt = <3300000>;
+					regulator-suspend-microvolt = <3000000>;
 				};
 			};