diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/adi,max20830.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/adi,max20830.yaml
index 01b7275f5b34..cc50a4ee44a2 100644
--- a/Documentation/devicetree/bindings/hwmon/pmbus/adi,max20830.yaml
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/adi,max20830.yaml
@@ -22,7 +22,13 @@ allOf:
 
 properties:
   compatible:
-    const: adi,max20830
+    oneOf:
+      - const: adi,max20830
+      - items:
+          - enum:
+              - adi,max20830c
+              - adi,max20840c
+          - const: adi,max20830
 
   reg:
     maxItems: 1