diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtsi
index 49fcf025494f..459dccad8326 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtsi
@@ -40,6 +40,7 @@ &emdio1 {
 
 	rgmii_phy1: ethernet-phy@1 {
 		reg = <1>;
+		qca,smarteee-tw-us-1g = <24>;
 	};
 };