diff --git a/arch/arm/dts/k3-j721e-beagleboneai64-u-boot.dtsi b/arch/arm/dts/k3-j721e-beagleboneai64-u-boot.dtsi
index f83caf79988..017a5a722e0 100644
--- a/arch/arm/dts/k3-j721e-beagleboneai64-u-boot.dtsi
+++ b/arch/arm/dts/k3-j721e-beagleboneai64-u-boot.dtsi
@@ -165,6 +165,7 @@
 
 &serdes_ln_ctrl {
 	bootph-all;
+	u-boot,mux-autoprobe;
 };
 
 &serdes2_usb_link {
@@ -173,6 +174,7 @@
 
 &usb_serdes_mux {
 	bootph-all;
+	u-boot,mux-autoprobe;
 };
 
 &serdes_wiz2 {