diff --git a/arch/arm/boot/dts/rk3229-evb-android.dts b/arch/arm/boot/dts/rk3229-evb-android.dts
index dd5b2dbd5aa9..8f546872f337 100644
--- a/arch/arm/boot/dts/rk3229-evb-android.dts
+++ b/arch/arm/boot/dts/rk3229-evb-android.dts
@@ -209,7 +209,7 @@
 &display_subsystem {
 	logo-memory-region = <&drm_logo>;
 	status = "okay";
-
+	secure-memory-region = <&secure_memory>;
 	route {
 		route_hdmi: route-hdmi {
 			status = "okay";
@@ -266,6 +266,14 @@
 	vccio4-supply = <&vccio_3v3_reg>;
 };
 
+&secure_memory {
+	/*
+	 * enable like this:
+	 * reg = <0x80000000 0x10000000>;
+	 */
+	reg = <0x80000000 0x0>;
+};
+
 &i2c0 {
 	status = "okay";
 
diff --git a/arch/arm/boot/dts/rk322x-android.dtsi b/arch/arm/boot/dts/rk322x-android.dtsi
index 8dda5a924a85..8b83c7839fec 100644
--- a/arch/arm/boot/dts/rk322x-android.dtsi
+++ b/arch/arm/boot/dts/rk322x-android.dtsi
@@ -92,6 +92,11 @@
 			reg = <0x0 0x0>;
 		};
 
+		secure_memory: secure-memory@80000000 {
+			compatible = "rockchip,secure-memory";
+			reg = <0x80000000 0x0>;
+		};
+
 		ramoops_mem: ramoops@62e00000 {
 			reg = <0x62e00000 0xf0000>;
 		};