diff --git a/xyz/openbmc_project/Inventory/Item/Dimm/Partition.interface.yaml b/xyz/openbmc_project/Inventory/Item/Dimm/Partition.interface.yaml
new file mode 100644
index 0000000..45105ac
--- /dev/null
+++ b/xyz/openbmc_project/Inventory/Item/Dimm/Partition.interface.yaml
@@ -0,0 +1,25 @@
+description: >
+    Implement to provide memory partition attributes.
+properties:
+    - name: PartitionId
+      type: string
+      description: >
+          Unique region ID representing a specific region within the Memory.
+    - name: SizeKiB
+      type: uint64
+      description: >
+          Size of this memory region in kibibytes (KiB).
+    - name: MemoryClassification
+      type: string
+      description: >
+          Classification of memory occupied by the given memory region.
+    - name: OffsetMiB
+      type: uint64
+      description: >
+          Offset with in the Memory that corresponds to the starting of this
+          memory region in MiB.
+    - name: PassphraseState
+      type: boolean
+      description: >
+          An indication of whether the state of the passphrase for this region
+          is enabled.