diff --git a/qcom/sdxlemur.dtsi b/qcom/sdxlemur.dtsi
index a90d8dd61418..c1e320e67ac3 100644
--- a/qcom/sdxlemur.dtsi
+++ b/qcom/sdxlemur.dtsi
@@ -1224,6 +1224,7 @@
 			qcom,additional-mapping =
 				/* modem tables in IMEM */
 				<0x14688000 0x14688000 0x3000>;
+			qcom,iommu-geometry = <0x0 0xA0000000>;
 			qcom,iommu-dma = "fastmap";
 			qcom,ipa-q6-smem-size = <36864>;
 		};