diff --git a/arch/arm/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts b/arch/arm/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts
index 5e928106e316..82f58adfb012 100644
--- a/arch/arm/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts
+++ b/arch/arm/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts
@@ -21,6 +21,7 @@
 
 / {
 	model = "Amlogic";
+	amlogic-dt-id = "g12a_u211_2g";
 	compatible = "amlogic, g12a";
 	interrupt-parent = <&gic>;
 	#address-cells = <1>;
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 74df36323aa5..b152dab92875 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905x2_u211_buildroot.dts
@@ -21,6 +21,7 @@
 
 / {
 	model = "Amlogic";
+	amlogic-dt-id = "g12a_u211_2g";
 	compatible = "amlogic, g12a";
 	interrupt-parent = <&gic>;
 	#address-cells = <2>;