diff --git a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
index 59663e897dae9..a202b6c6561d8 100644
--- a/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
+++ b/Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml
@@ -40,6 +40,7 @@ properties:
 patternProperties:
   '^opp-?[0-9]+$':
     type: object
+    additionalProperties: false
 
     properties:
       opp-hz: true
diff --git a/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml b/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml
index 14a7a689ad6d0..df8442fb11f0c 100644
--- a/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml
+++ b/Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml
@@ -19,6 +19,7 @@ properties:
 patternProperties:
   '^opp-?[0-9]+$':
     type: object
+    additionalProperties: false
 
     properties:
       opp-level: true