diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
index f75736a061af7778b86505f9a5696adc6d29a0c1..0fa9b862e4a52a3950a9bf87e8e8faf09ff753eb 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
@@ -65,6 +65,7 @@ properties:
       - items:
           - enum:
               - allwinner,sun20i-d1-plic
+              - thead,th1520-plic
           - const: thead,c900-plic
       - items:
           - const: sifive,plic-1.0.0