diff --git a/arch/arm/boot/dts/rk3506g-evb1-v10.dts b/arch/arm/boot/dts/rk3506g-evb1-v10.dts
index 3058b2386ab7..6dcd42c300d4 100644
--- a/arch/arm/boot/dts/rk3506g-evb1-v10.dts
+++ b/arch/arm/boot/dts/rk3506g-evb1-v10.dts
@@ -59,6 +59,10 @@
 	};
 };
 
+&cma {
+	size = <0x1600000>;
+};
+
 &dsi {
 	status = "okay";
 };