diff --git a/Documentation/devicetree/bindings/phy/intel,combo-phy.yaml b/Documentation/devicetree/bindings/phy/intel,combo-phy.yaml
index 5d54b0a0e8739d..7dd6a4d94b4880 100644
--- a/Documentation/devicetree/bindings/phy/intel,combo-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/intel,combo-phy.yaml
@@ -15,7 +15,7 @@ description: |
 
 properties:
   $nodename:
-    pattern: "combophy(@.*|-[0-9a-f])*$"
+    pattern: "combophy(@.*|-([0-9]|[1-9][0-9]+))?$"
 
   compatible:
     items: