diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index 3df2afb2f63796..e4af0d914279ae 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -258,6 +258,17 @@
 		};
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+
+		sdp@3e800000 {
+			compatible = "linaro,secure-heap";
+			no-map;
+			reg = <0 0x3E800000 0 0x00400000>;
+		};
+	};
+
 	sound_card {
 		compatible = "audio-graph-card";
 		dais = <&i2s0_port0>;
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 30516dc0b70ec2..cc909b3ce01c9e 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -1235,6 +1235,10 @@ CONFIG_CRYPTO_DEV_HISI_SEC2=m
 CONFIG_CRYPTO_DEV_HISI_ZIP=m
 CONFIG_CRYPTO_DEV_HISI_HPRE=m
 CONFIG_CRYPTO_DEV_HISI_TRNG=m
+CONFIG_DMABUF_HEAPS=y
+CONFIG_DMABUF_HEAPS_DEFERRED_FREE=y
+CONFIG_DMABUF_HEAPS_PAGE_POOL=y
+CONFIG_DMABUF_HEAPS_SECURE=y
 CONFIG_CMA_SIZE_MBYTES=32
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_INFO=y