diff --git a/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml b/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml
index e79e4e166ad8280a8516ca227b7a63823325efcd..13812768b923356d217a5f0a891b3b8d37e01a9f 100644
--- a/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml
+++ b/Documentation/devicetree/bindings/net/microchip,lan966x-switch.yaml
@@ -38,6 +38,7 @@ properties:
       - description: register based extraction
       - description: frame dma based extraction
       - description: analyzer interrupt
+      - description: ptp interrupt
 
   interrupt-names:
     minItems: 1
@@ -45,6 +46,7 @@ properties:
       - const: xtr
       - const: fdma
       - const: ana
+      - const: ptp
 
   resets:
     items: