diff --git a/arch/arm64/boot/dts/rockchip/rk3308-evb-audio-v10-partybox.dts b/arch/arm64/boot/dts/rockchip/rk3308-evb-audio-v10-partybox.dts
index c96655e59634..9fd1d879ea31 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308-evb-audio-v10-partybox.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-evb-audio-v10-partybox.dts
@@ -14,6 +14,19 @@
 	chosen {
 		bootargs = "earlycon=uart8250,mmio32,0xff0c0000 console=ttyFIQ0 root=PARTUUID=614e0000-0000 rootfstype=squashfs rootwait snd_aloop.index=7 snd_aloop.use_raw_jiffies=1 isolcpus=2,3 nohz_full=2,3";
 	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x0 0x1000000>;
+			linux,cma-default;
+		};
+	};
 };
 
 &acodec {