diff --git a/dtschema/schemas/pci/pci-pci-bridge.yaml b/dtschema/schemas/pci/pci-pci-bridge.yaml
index d8de250..790a1a7 100644
--- a/dtschema/schemas/pci/pci-pci-bridge.yaml
+++ b/dtschema/schemas/pci/pci-pci-bridge.yaml
@@ -34,4 +34,10 @@ properties:
       to D3 states.
     type: boolean
 
+  interrupts:
+    description: wakeup interrupt
+
+  interrupt-names:
+    const: wake
+
 unevaluatedProperties: false