diff --git a/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml
index f97b8083678f..e987c39b223e 100644
--- a/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/qcom-labibb-regulator.yaml
@@ -20,7 +20,8 @@ properties:
 
   lab:
     type: object
-    additionalProperties: false
+    $ref: regulator.yaml#
+    unevaluatedProperties: false
 
     properties:
       qcom,soft-start-us:
@@ -46,7 +47,8 @@ properties:
 
   ibb:
     type: object
-    additionalProperties: false
+    $ref: regulator.yaml#
+    unevaluatedProperties: false
 
     properties:
       qcom,discharge-resistor-kohms: