diff --git a/src/dev/arm/SMMUv3.py b/src/dev/arm/SMMUv3.py
index 72540f5..230a0ac 100644
--- a/src/dev/arm/SMMUv3.py
+++ b/src/dev/arm/SMMUv3.py
@@ -207,3 +207,7 @@
             sys.exit(1)
 
         self.slave_interfaces.append(slave_interface)
+
+        # Storing a reference to the smmu to be used when generating
+        # the binding in the device DTB.
+        device._iommu = self