diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi
index 02e1f2491db0..6e95e6f19a6a 100644
--- a/arch/mips/boot/dts/ralink/mt7621.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7621.dtsi
@@ -307,6 +307,9 @@
 		       0x1e1d0700 0x0100>;
 		reg-names = "mac", "ippc";
 
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		clocks = <&sysc MT7621_CLK_XTAL>;
 		clock-names = "sys_ck";