diff --git a/arch/arm/dts/rk3399-firefly.dts b/arch/arm/dts/rk3399-firefly.dts
index a3e9ddf..3d3f507 100644
--- a/arch/arm/dts/rk3399-firefly.dts
+++ b/arch/arm/dts/rk3399-firefly.dts
@@ -157,8 +157,9 @@
 		regulator-name = "vdd_log";
 		regulator-always-on;
 		regulator-boot-on;
-		regulator-min-microvolt = <800000>;
+		regulator-min-microvolt = <430000>;
 		regulator-max-microvolt = <1400000>;
+		regulator-init-microvolt = <950000>;
 	};
 
 	vccadc_ref: vccadc-ref {