diff --git a/qcom/sa8195p-adp-common.dtsi b/qcom/sa8195p-adp-common.dtsi
index 198a39402a3e..382f0d6d7230 100644
--- a/qcom/sa8195p-adp-common.dtsi
+++ b/qcom/sa8195p-adp-common.dtsi
@@ -182,6 +182,7 @@
 		ethqos_emb_smmu: ethqos_emb_smmu {
 			compatible = "qcom,emac-smmu-embedded";
 			iommus = <&apps_smmu 0x7C0 0x0>;
+			qcom,iommu-dma = "fastmap";
 			qcom,iommu-dma-addr-pool = <0x80000000 0x40000000>;
 		};
 	};