diff --git a/arch/arm/dts/rk3399-firefly-u-boot.dtsi b/arch/arm/dts/rk3399-firefly-u-boot.dtsi
index 38e0897db9..c58ad95d12 100644
--- a/arch/arm/dts/rk3399-firefly-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-firefly-u-boot.dtsi
@@ -11,3 +11,7 @@
 		u-boot,spl-boot-order = "same-as-spl", &sdhci, &sdmmc;
 	};
 };
+
+&vdd_log {
+	regulator-init-microvolt = <950000>;
+};