diff --git a/target/linux/realtek/dts/rtl9303_xikestor_sks8300-8x.dts b/target/linux/realtek/dts/rtl9303_xikestor_sks8300-8x.dts
index bced9eb22c..acc96092df 100644
--- a/target/linux/realtek/dts/rtl9303_xikestor_sks8300-8x.dts
+++ b/target/linux/realtek/dts/rtl9303_xikestor_sks8300-8x.dts
@@ -147,27 +147,35 @@
 	/* SDA0-7 correspond to GPIO9-16 */
 	i2c0: i2c@0 {
 		reg = <0>;
+		clock-frequency = <50000>;
 	};
 	i2c1: i2c@1 {
 		reg = <1>;
+		clock-frequency = <50000>;
 	};
 	i2c2: i2c@2 {
 		reg = <2>;
+		clock-frequency = <50000>;
 	};
 	i2c3: i2c@3 {
 		reg = <3>;
+		clock-frequency = <50000>;
 	};
 	i2c4: i2c@4 {
 		reg = <4>;
+		clock-frequency = <50000>;
 	};
 	i2c5: i2c@5 {
 		reg = <5>;
+		clock-frequency = <50000>;
 	};
 	i2c6: i2c@6 {
 		reg = <6>;
+		clock-frequency = <50000>;
 	};
 	i2c7: i2c@7 {
 		reg = <7>;
+		clock-frequency = <50000>;
 	};
 };