diff --git a/Documentation/devicetree/bindings/regulator/mediatek,mt6332-regulator.yaml b/Documentation/devicetree/bindings/regulator/mediatek,mt6332-regulator.yaml
index 2eb512c29a0d..475f18d4f261 100644
--- a/Documentation/devicetree/bindings/regulator/mediatek,mt6332-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/mediatek,mt6332-regulator.yaml
@@ -15,6 +15,10 @@ description: |
   buck-<name> and ldo-<name>.
   MT6332 regulators node should be sub node of the MT6397 MFD node.
 
+properties:
+  compatible:
+    const: mediatek,mt6332-regulator
+
 patternProperties:
   "^buck-v(dram|dvfs2|pa|rf18a|rf18b|sbst)$":
     type: object
@@ -36,6 +40,9 @@ patternProperties:
 
     unevaluatedProperties: false
 
+required:
+  - compatible
+
 additionalProperties: false
 
 examples: