[PATCH 1/2] dt-bindings: display: bridge: icn6211: Document DSI data-lanes property

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It is necessary to specify the number of connected/used DSI data lanes when
using the DSI input port of this bridge. Document the 'data-lanes' property
of the DSI input port.

Signed-off-by: Marek Vasut <marex@xxxxxxx>
Cc: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Maxime Ripard <maxime@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Robert Foss <robert.foss@xxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
To: dri-devel@xxxxxxxxxxxxxxxxxxxxx
---
NOTE: This is consistent with all the other DSI panel and bridge bindings which
      document 'data-lanes' property, all of which already use OF graph and have
      the 'data-lanes' property in the port@N subnode, see:
      $ git grep -l data-lanes Documentation/devicetree/bindings/display/
---
 .../display/bridge/chipone,icn6211.yaml        | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
index 7257fd0ae4da8..4f0b7c71313c3 100644
--- a/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
@@ -41,10 +41,26 @@ properties:
 
     properties:
       port@0:
-        $ref: /schemas/graph.yaml#/properties/port
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
         description:
           Video port for MIPI DSI input
 
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                description: array of physical DSI data lane indexes.
+                minItems: 1
+                items:
+                  - const: 1
+                  - const: 2
+                  - const: 3
+                  - const: 4
+
       port@1:
         $ref: /schemas/graph.yaml#/properties/port
         description:
-- 
2.35.1




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