[PATCH] dt-bindings: display: advantech, idk-2121wr: reference common panel

[Krzysztof Kozlowski]

Reference common panel bindings to bring descriptions of common fields
like panel-timing.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlow...@linaro.org>
---
 .../bindings/display/panel/advantech,idk-2121wr.yaml           | 3 +++
 1 file changed, 3 insertions(+)

diff --git 
a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml 
b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
index 67682fe77f10..2e8dbdb5a3d5 100644
--- a/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
+++ b/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
@@ -19,6 +19,9 @@ description: |
   second port, therefore the ports must be marked accordingly (with either
   dual-lvds-odd-pixels or dual-lvds-even-pixels).
 
+allOf:
+  - $ref: panel-common.yaml#
+
 properties:
   compatible:
     items:
-- 
2.34.1