diff --git a/target/linux/ramips/dts/mt7621.dtsi b/target/linux/ramips/dts/mt7621.dtsi
index 403f269682..15c869c35d 100644
--- a/target/linux/ramips/dts/mt7621.dtsi
+++ b/target/linux/ramips/dts/mt7621.dtsi
@@ -79,8 +79,8 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
-		sysc: sysc@0 {
-			compatible = "mtk,mt7621-sysc";
+		sysc: syscon@0 {
+			compatible = "mtk,mt7621-sysc", "syscon";
 			reg = <0x0 0x100>;
 		};
 
@@ -151,8 +151,8 @@
 			interrupts = <GIC_SHARED 5 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
-		memc: memc@5000 {
-			compatible = "mtk,mt7621-memc";
+		memc: syscon@5000 {
+			compatible = "mtk,mt7621-memc", "syscon";
 			reg = <0x5000 0x1000>;
 		};