diff --git a/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml b/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml
index 11a606536169..59d7c4d864c1 100644
--- a/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/intel,lgm-pwm.yaml
@@ -9,6 +9,9 @@ title: LGM SoC PWM fan controller
 maintainers:
   - Rahul Tanwar <rtanwar@maxlinear.com>
 
+allOf:
+  - $ref: pwm.yaml#
+
 properties:
   compatible:
     const: intel,lgm-pwm