diff --git a/arch/arm/boot/dts/rk312x-sdk.dtsi b/arch/arm/boot/dts/rk312x-sdk.dtsi
index 485727f8e83a..a35bdbd11b25 100755
--- a/arch/arm/boot/dts/rk312x-sdk.dtsi
+++ b/arch/arm/boot/dts/rk312x-sdk.dtsi
@@ -175,8 +175,8 @@
 
 		rk818_dcdc2_reg: regulator@1 {
 			regulator-name= "vdd_logic";
-			regulator-min-microvolt = <700000>;
-			regulator-max-microvolt = <1500000>;
+			regulator-min-microvolt = <1200000>;
+			regulator-max-microvolt = <1200000>;
 			regulator-initial-mode = <0x2>;
 			regulator-initial-state = <3>;
 			regulator-state-mem {