diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index d8767b00862e..299f3ce969ab 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -249,7 +249,7 @@ buck1_reg: BUCK1 {
 
 			buck2_reg: BUCK2 {
 				regulator-name = "vdd_atlas";
-				regulator-min-microvolt = <1200000>;
+				regulator-min-microvolt = <500000>;
 				regulator-max-microvolt = <1200000>;
 				regulator-always-on;
 				regulator-boot-on;