diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 42e2085a7130..8d797e8b7658 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -71,6 +71,14 @@
 			reg = <0x0 0x10000000 0x0 0x200000>;
 			no-map;
 		};
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x0 0xbc00000>;
+			alignment = <0x0 0x400000>;
+			linux,cma-default;
+		};
 	};
 
 	cpus {