diff --git a/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
index 5e34c8a081bf..9f83a2c7207e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308-evb-v10.dtsi
@@ -272,6 +272,7 @@
 };
 
 &i2c1 {
+	clock-frequency = <400000>;
 	status = "okay";
 
 	is31fl3236: led-controller@3c {