diff --git a/arch/arm64/boot/dts/amlogic/g12a_pxp.dts b/arch/arm64/boot/dts/amlogic/g12a_pxp.dts
index 7953333067e5..79c31b839188 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_pxp.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_pxp.dts
@@ -691,3 +691,8 @@
 	};
 };
 
+
+&defendkey {
+	status = "okay";
+};
+
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905d2_skt.dts b/arch/arm64/boot/dts/amlogic/g12a_s905d2_skt.dts
index 56fc5e5a5e4c..9f45aca78cdb 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905d2_skt.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905d2_skt.dts
@@ -1294,4 +1294,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905d2_skt_buildroot.dts b/arch/arm64/boot/dts/amlogic/g12a_s905d2_skt_buildroot.dts
index d1bb1cc34968..3a04f9caf84e 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905d2_skt_buildroot.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905d2_skt_buildroot.dts
@@ -1218,4 +1218,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200.dts b/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200.dts
index 944e57b19855..4aa4d193bec5 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200.dts
@@ -1325,4 +1325,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_buildroot.dts b/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_buildroot.dts
index 3c4d22a6c314..cab3325dfa3a 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_buildroot.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_buildroot.dts
@@ -1391,3 +1391,8 @@
 &meson_cooldev {
 	status = "okay";
 };
+
+&defendkey {
+	status = "okay";
+};
+
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_drm_buildroot.dts b/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_drm_buildroot.dts
index cdefd47a3420..46dd30c76cbf 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_drm_buildroot.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905d2_u200_drm_buildroot.dts
@@ -1401,3 +1401,8 @@
 &meson_cooldev {
 	status = "okay";
 };
+
+&defendkey {
+	status = "okay";
+};
+
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905d2_u220.dts b/arch/arm64/boot/dts/amlogic/g12a_s905d2_u220.dts
index c4e8261ac316..b807af671e8c 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905d2_u220.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905d2_u220.dts
@@ -1305,4 +1305,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211.dts b/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211.dts
index ae5deb78ecc9..7e012dd60450 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211.dts
@@ -1311,3 +1311,8 @@
 &saradc {
 	status = "disabled";
 };
+
+&defendkey {
+	status = "okay";
+};
+
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts b/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts
index 99993f8ea0de..86d2eff48ad0 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts
@@ -1396,4 +1396,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts b/arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts
index bfab28671db3..36ec0b6118aa 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts
@@ -1271,4 +1271,7 @@
 	status = "okay";
 };
 
+&defendkey {
+	status = "okay";
+};
 
diff --git a/arch/arm64/boot/dts/amlogic/mesong12a.dtsi b/arch/arm64/boot/dts/amlogic/mesong12a.dtsi
index 723f11d29104..73ac0270d033 100644
--- a/arch/arm64/boot/dts/amlogic/mesong12a.dtsi
+++ b/arch/arm64/boot/dts/amlogic/mesong12a.dtsi
@@ -1733,6 +1733,13 @@
 		interrupts = <0 52 1>;
 		interrupt-names = "ddr_bandwidth";
 	};
+
+	defendkey: defendkey {
+	compatible = "amlogic, defendkey";
+	reg = <0x0 0xff630218 0x0 0x4>; /*RNG_USR_DATA*/
+	mem_size = <0x0 0x1000>;
+	status = "disabled";
+	};
 };/* end of / */
 
 &pinctrl_aobus {