diff --git a/arch/mips/dts/mt7628a.dtsi b/arch/mips/dts/mt7628a.dtsi
index d525f01..c14259b 100644
--- a/arch/mips/dts/mt7628a.dtsi
+++ b/arch/mips/dts/mt7628a.dtsi
@@ -76,6 +76,8 @@
 			reg = <0xb00 0x40>;
 			#address-cells = <1>;
 			#size-cells = <0>;
+
+			clock-frequency = <200000000>;
 		};
 
 		uart0: uartlite@c00 {