diff --git a/arch/arm/boot/dts/rk312x-android.dtsi b/arch/arm/boot/dts/rk312x-android.dtsi
index 0886b93b3415..e4ed16e0df0f 100644
--- a/arch/arm/boot/dts/rk312x-android.dtsi
+++ b/arch/arm/boot/dts/rk312x-android.dtsi
@@ -123,10 +123,10 @@
 		#size-cells = <1>;
 		ranges;
 
-		cma_region: cma-region {
+		cma_region: region@88000000 {
 			compatible = "shared-dma-pool";
 			reusable;
-			size = <0x1000000>;
+			reg = <0x88000000 0x1800000>;
 		};
 
 		ramoops_mem: ramoops@68000000 {