linux-kernel - [PATCH v2 1/2] dt-bindings: display: novatek,nt35950: define ports

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Date:   Tue,  2 May 2023 14:00:35 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Neil Armstrong <neil.armstrong@...aro.org>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jianhua Lu <lujianhua000@...il.com>,
        Del Regno <angelogioacchino.delregno@...ainline.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 1/2] dt-bindings: display: novatek,nt35950: define ports

The panel-common schema does not define what "ports" property is, so
bring the definition to enforce the type.  Panels can be single- or
dual-link, thus require only one port@0.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Changes since v1:
1. Rework to add ports to device schema, not to panel-common.
https://lore.kernel.org/all/20230420160905.GA2952736-robh@kernel.org/
---
 .../bindings/display/panel/novatek,nt35950.yaml           | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml
index 377a05d48a02..c93cc1018b41 100644
--- a/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml
+++ b/Documentation/devicetree/bindings/display/panel/novatek,nt35950.yaml
@@ -47,8 +47,13 @@ properties:
   vddio-supply:
     description: regulator that supplies the I/O voltage
 
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    required:
+      - port@0
+
   backlight: true
-  ports: true
   reg: true
 
 required:
@@ -59,6 +64,7 @@ required:
   - avee-supply
   - dvdd-supply
   - vddio-supply
+  - ports
 
 additionalProperties: false
 
-- 
2.34.1