diff --git a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
index 108a29d4e7ae..038a7368be86 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
@@ -128,7 +128,7 @@ buck3_reg: BUCK3 {
 			buck4_reg: BUCK4 {
 				/* PMIC_BUCK6 - VDD_3V3 */
 				regulator-name = "buck4";
-				regulator-min-microvolt = <3000000>;
+				regulator-min-microvolt = <3300000>;
 				regulator-max-microvolt = <3300000>;
 				regulator-boot-on;
 				regulator-always-on;
@@ -137,8 +137,8 @@ buck4_reg: BUCK4 {
 			buck5_reg: BUCK5 {
 				/* PMIC_BUCK7 - VDD_1V8 */
 				regulator-name = "buck5";
-				regulator-min-microvolt = <1605000>;
-				regulator-max-microvolt = <1995000>;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
 				regulator-boot-on;
 				regulator-always-on;
 			};