diff --git a/arch/arm64/boot/dts/rockchip/rk3568.dtsi b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
index 1654e87d9653..58e12c928647 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568.dtsi
@@ -666,6 +666,11 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0 0x0 0xfdcc0000 0xc000>;
+
+		/* start address and size should be 4k algin */
+		rkvdec_sram: rkvdec-sram@0 {
+			reg = <0x0 0xc000>;
+		};
 	};
 
 	pmucru: clock-controller@fdd00000 {
@@ -1235,6 +1240,8 @@
 		rockchip,srv = <&mpp_srv>;
 		rockchip,taskqueue-node = <4>;
 		rockchip,resetgroup-node = <4>;
+		rockchip,sram = <&rkvdec_sram>;
+		rockchip,rcb-size = <65536>;
 		status = "disabled";
 	};