diff --git a/dtschema/schemas/pci/pci-pci-bridge.yaml b/dtschema/schemas/pci/pci-pci-bridge.yaml
index 172399b..53c33c9 100644
--- a/dtschema/schemas/pci/pci-pci-bridge.yaml
+++ b/dtschema/schemas/pci/pci-pci-bridge.yaml
@@ -28,4 +28,10 @@ properties:
     contains:
       const: pciclass,0604
 
+  interrupts-extended:
+    description: wakeup interrupt
+
+  interrupt-names:
+    const: wake
+
 unevaluatedProperties: false