diff --git a/arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi b/arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi
index ac338320ac1d..b093f2a447ae 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx7ulp.dtsi
@@ -214,6 +214,7 @@ usbphy1: usb-phy@40350000 {
 			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&pcc2 IMX7ULP_CLK_USB_PHY>;
 			#phy-cells = <0>;
+			nxp,sim = <&sim>;
 		};
 
 		usdhc0: mmc@40370000 {