diff --git a/arch/arm64/boot/dts/mediatek/mt8167.dtsi b/arch/arm64/boot/dts/mediatek/mt8167.dtsi
index 156fbdad01fb..9d765034dfb0 100644
--- a/arch/arm64/boot/dts/mediatek/mt8167.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8167.dtsi
@@ -125,5 +125,11 @@
 			#interrupt-cells = <2>;
 			interrupts = <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;
 		};
+
+		mmsys: mmsys@14000000 {
+			compatible = "mediatek,mt8167-mmsys", "syscon";
+			reg = <0 0x14000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
 	};
 };