diff --git a/arch/arm/boot/dts/lan966x-pcb8290.dts b/arch/arm/boot/dts/lan966x-pcb8290.dts
index 2e091180a64c..77187f59f04d 100644
--- a/arch/arm/boot/dts/lan966x-pcb8290.dts
+++ b/arch/arm/boot/dts/lan966x-pcb8290.dts
@@ -21,6 +21,10 @@
 	};
 };
 
+&aes {
+	status = "disabled"; /* Reserved by secure OS */
+};
+
 &gpio {
 	miim_a_pins: mdio-pins {
 		/* MDC, MDIO */
diff --git a/arch/arm/boot/dts/lan966x-pcb8291.dts b/arch/arm/boot/dts/lan966x-pcb8291.dts
index 289a31649422..f4f054cdf2a8 100644
--- a/arch/arm/boot/dts/lan966x-pcb8291.dts
+++ b/arch/arm/boot/dts/lan966x-pcb8291.dts
@@ -53,6 +53,10 @@
 	};
 };
 
+&aes {
+	status = "disabled"; /* Reserved by secure OS */
+};
+
 &gpio {
 	fc3_b_pins: fc3-b-pins {
 		/* RX, TX */
diff --git a/arch/arm/boot/dts/lan966x-pcb8309.dts b/arch/arm/boot/dts/lan966x-pcb8309.dts
index cfd7c8933703..c436cd20d4b4 100644
--- a/arch/arm/boot/dts/lan966x-pcb8309.dts
+++ b/arch/arm/boot/dts/lan966x-pcb8309.dts
@@ -97,6 +97,10 @@
 	};
 };
 
+&aes {
+	status = "disabled"; /* Reserved by secure OS */
+};
+
 &flx3 {
 	atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
 	status = "okay";