diff --git a/yaml/xyz/openbmc_project/Attestation/ComponentIntegrity.interface.yaml b/yaml/xyz/openbmc_project/Attestation/ComponentIntegrity.interface.yaml
index bc0b6dc..168faa6 100644
--- a/yaml/xyz/openbmc_project/Attestation/ComponentIntegrity.interface.yaml
+++ b/yaml/xyz/openbmc_project/Attestation/ComponentIntegrity.interface.yaml
@@ -47,6 +47,14 @@
       reverse_name: authenticated_by
       required_endpoint_interfaces:
           - xyz.openbmc_project.Inventory.Item
+    - name: reporting
+      description: >
+          Objects that implement ComponentIntegrity can implement the
+          "reporting" association to provide a link to the target trusted
+          component whose integrity this resource reports.
+      reverse_name: reported_by
+      required_endpoint_interfaces:
+          - xyz.openbmc_project.Inventory.Item.TrustedComponent
 
 enumerations:
     - name: SecurityTechnologyType
diff --git a/yaml/xyz/openbmc_project/Inventory/Item.interface.yaml b/yaml/xyz/openbmc_project/Inventory/Item.interface.yaml
index 4319b02..046e567 100644
--- a/yaml/xyz/openbmc_project/Inventory/Item.interface.yaml
+++ b/yaml/xyz/openbmc_project/Inventory/Item.interface.yaml
@@ -102,6 +102,14 @@
       reverse_name: authenticating
       required_endpoint_interfaces:
           - xyz.openbmc_project.Attestation.ComponentIntegrity
+    - name: protected_by
+      description: >
+          Objects that implement Item can optionally implement the
+          "protected_by" association to provide a link to the target trusted
+          component object that protects this item.
+      reverse_name: protecting
+      required_endpoint_interfaces:
+          - xyz.openbmc_project.Inventory.Item.TrustedComponent
 
 paths:
     - namespace: /xyz/openbmc_project/inventory
diff --git a/yaml/xyz/openbmc_project/Inventory/Item/TrustedComponent.interface.yaml b/yaml/xyz/openbmc_project/Inventory/Item/TrustedComponent.interface.yaml
new file mode 100644
index 0000000..f99f4c7
--- /dev/null
+++ b/yaml/xyz/openbmc_project/Inventory/Item/TrustedComponent.interface.yaml
@@ -0,0 +1,49 @@
+description: >
+    Interface to query trusted component info.
+
+properties:
+    - name: TrustedComponentType
+      type: enum[self.ComponentAttachType]
+      default: Unknown
+      flags:
+          - readonly
+      description: >
+          The type of trusted component, such as any physical distinction about
+          the trusted component.
+
+associations:
+    - name: reported_by
+      description: >
+          Objects that implement TrustedComponent can implement the
+          "reported_by" association to provide a link to component integrity
+          object that the trusted component is reported by.
+      reverse_name: reporting
+      required_endpoint_interfaces:
+          - xyz.openbmc_project.Attestation.ComponentIntegrity
+
+    - name: protecting
+      description: >
+          Objects that implement TrustedComponent can implement the "protecting"
+          association to provide a link to the target component whose security
+          this resource protects.
+      reverse_name: protected_by
+      required_endpoint_interfaces:
+          - xyz.openbmc_project.Inventory.Item
+
+enumerations:
+    - name: ComponentAttachType
+      description: >
+          The type of trusted component, such as any physical distinction about
+          the trusted component.
+      values:
+          - name: Discrete
+            description: >
+                A discrete trusted component. It is "discrete" when basic
+                electronic components are connected through a wire or soldered
+                on a printed circuit board (PCB).
+          - name: Integrated
+            description: >
+                An integrated trusted component.
+          - name: Unknown
+            description: >
+                Attach type not known yet.