diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index dea53e714f09..cb3df0369d57 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -1129,6 +1129,7 @@
 		power-domains = <&power RK3288_PD_VIO>;
 		resets = <&cru SRST_RGA_CORE>, <&cru SRST_RGA_AXI>, <&cru SRST_RGA_AHB>;
 		reset-names = "core", "axi", "ahb";
+		dma-coherent;
 		status = "disabled";
 	};