diff --git a/arch/arm/dts/k3-am642-sk-u-boot.dtsi b/arch/arm/dts/k3-am642-sk-u-boot.dtsi
index f3ed376ab77..ea200a1ee1c 100644
--- a/arch/arm/dts/k3-am642-sk-u-boot.dtsi
+++ b/arch/arm/dts/k3-am642-sk-u-boot.dtsi
@@ -184,6 +184,10 @@
 	bootph-all;
 };
 
+&serdes_ln_ctrl {
+	bootph-all;
+};
+
 &usbss0 {
 	bootph-all;
 };
diff --git a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
index b77f8d92de3..9433f3bafae 100644
--- a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
+++ b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
@@ -93,6 +93,14 @@
 	bootph-all;
 };
 
+&serdes_ln_ctrl {
+	bootph-all;
+};
+
+&usb_serdes_mux {
+	bootph-all;
+};
+
 &main_usbss0_pins_default {
 	bootph-all;
 };
diff --git a/arch/arm/dts/k3-j721e-sk-u-boot.dtsi b/arch/arm/dts/k3-j721e-sk-u-boot.dtsi
index 370fe5190b2..fff447094ae 100644
--- a/arch/arm/dts/k3-j721e-sk-u-boot.dtsi
+++ b/arch/arm/dts/k3-j721e-sk-u-boot.dtsi
@@ -89,6 +89,14 @@
 	bootph-all;
 };
 
+&serdes_ln_ctrl {
+	bootph-all;
+};
+
+&usb_serdes_mux {
+	bootph-all;
+};
+
 &main_usbss0_pins_default {
 	bootph-all;
 };