diff --git a/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml
index 584cce3211..13f9a20ae1 100644
--- a/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml
+++ b/Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml
@@ -15,7 +15,12 @@ description:
 
 properties:
   compatible:
-    const: allwinner,sun6i-a31-hwspinlock
+    oneOf:
+      - const: allwinner,sun6i-a31-hwspinlock
+      - items:
+          - enum:
+              - allwinner,sun20i-d1-hwspinlock
+          - const: allwinner,sun6i-a31-hwspinlock
 
   reg:
     maxItems: 1