diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
index 69f0c84a928c..c6e3f77abfd9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
@@ -1258,8 +1258,8 @@
 			vccio_acodec: LDO_REG4 {
 				regulator-always-on;
 				regulator-boot-on;
-				regulator-min-microvolt = <3300000>;
-				regulator-max-microvolt = <3300000>;
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3000000>;
 				regulator-name = "vccio_acodec";
 				regulator-state-mem {
 					regulator-off-in-suspend;