diff --git a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi
index a9550f115f82..5132b575b001 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi
@@ -637,8 +637,8 @@ reg_vdd1p1: regulator-1p1 {
 				reg_vdd3p0: regulator-3p0 {
 					compatible = "fsl,anatop-regulator";
 					regulator-name = "vdd3p0";
-					regulator-min-microvolt = <2800000>;
-					regulator-max-microvolt = <3150000>;
+					regulator-min-microvolt = <2625000>;
+					regulator-max-microvolt = <3400000>;
 					regulator-always-on;
 					anatop-reg-offset = <0x120>;
 					anatop-vol-bit-shift = <8>;
@@ -731,6 +731,7 @@ usbphy1: usbphy@20c9000 {
 				reg = <0x020c9000 0x1000>;
 				interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clks IMX6SX_CLK_USBPHY1>;
+				phy-3p0-supply = <&reg_vdd3p0>;
 				fsl,anatop = <&anatop>;
 			};
 
@@ -739,6 +740,7 @@ usbphy2: usbphy@20ca000 {
 				reg = <0x020ca000 0x1000>;
 				interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clks IMX6SX_CLK_USBPHY2>;
+				phy-3p0-supply = <&reg_vdd3p0>;
 				fsl,anatop = <&anatop>;
 			};