diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
index fbfd8407ac79..83b82b21dddc 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -1251,7 +1251,8 @@
 		rockchip,taskqueue-node = <4>;
 		rockchip,resetgroup-node = <4>;
 		rockchip,sram = <&rkvdec_sram>;
-		rockchip,rcb-size = <65536>;
+		/* rcb_iova: start and size */
+		rockchip,rcb-iova = <0x10000000 65536>;
 		status = "disabled";
 	};