diff --git a/arch/arm/boot/dts/rk3288-android.dtsi b/arch/arm/boot/dts/rk3288-android.dtsi
index ae564b1538ca..0d454c3e1310 100644
--- a/arch/arm/boot/dts/rk3288-android.dtsi
+++ b/arch/arm/boot/dts/rk3288-android.dtsi
@@ -428,6 +428,8 @@
 	compatible = "rockchip,rga2";
 	clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru SCLK_RGA>;
 	clock-names = "aclk_rga", "hclk_rga", "clk_rga";
+	assigned-clocks = <&cru ACLK_RGA>, <&cru SCLK_RGA>;
+	assigned-clock-rates = <300000000>, <300000000>;
 	dma-coherent;
 };