diff --git a/src/main/scala/subsystem/BaseSubsystem.scala b/src/main/scala/subsystem/BaseSubsystem.scala
index 408ebf18161..c0e58b0d4a5 100644
--- a/src/main/scala/subsystem/BaseSubsystem.scala
+++ b/src/main/scala/subsystem/BaseSubsystem.scala
@@ -24,6 +24,11 @@ case object BuildSystemBus extends Field[Parameters => SystemBus](p => new Syste
 case object SubsystemDriveAsyncClockGroupsKey extends Field[Option[ClockGroupDriverParameters]](Some(ClockGroupDriverParameters(1)))
 case object AsyncClockGroupsKey extends Field[ClockGroupEphemeralNode](ClockGroupEphemeralNode()(ValName("async_clock_groups")))
 
+class HierarchicalLocation(override val name: String) extends Location[LazyScope](name)
+case object InTile extends HierarchicalLocation("InTile")
+case object InSubsystem extends HierarchicalLocation("InSubsystem")
+case object InSystem extends HierarchicalLocation("InSystem")
+
 /** BareSubsystem is the root class for creating a subsystem */
 abstract class BareSubsystem(implicit p: Parameters) extends LazyModule with BindingScope {
   lazy val dts = DTS(bindingTree)