linux-kernel - [PATCH 02/12] dt-bindings: display: sprd: allow attaching a DSI panel

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Message-Id: <20250719-ums9230-drm-v1-2-e4344a05eb3d@abscue.de>
Date: Sat, 19 Jul 2025 14:09:38 +0200
From: Otto Pflüger <otto.pflueger@...cue.de>
To: David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>, Kevin Tang <kevin.tang@...soc.com>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Otto Pflüger <otto.pflueger@...cue.de>
Subject: [PATCH 02/12] dt-bindings: display: sprd: allow attaching a DSI
 panel

Add a DSI output port and include common DSI controller bindings in the
bindings for the Unisoc DSI controller.

Signed-off-by: Otto Pflüger <otto.pflueger@...cue.de>
---
 .../display/sprd/sprd,sharkl3-dsi-host.yaml        | 27 ++++++++++++++++------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml b/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml
index 8438d2da0a4277db03e30b13cb270684c0c360cb..d9a77f7228e145b955b57746967e08e56f5a0c89 100644
--- a/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml
+++ b/Documentation/devicetree/bindings/display/sprd/sprd,sharkl3-dsi-host.yaml
@@ -45,12 +45,22 @@ properties:
         const: 0
 
       port@0:
-        type: object
-        description:
-          A port node with endpoint definitions as defined in
-          Documentation/devicetree/bindings/media/video-interfaces.txt.
-          That port should be the input endpoint, usually coming from
-          the associated DPU.
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+            description: The input endpoint, usually connected to the DPU
+
+      port@1:
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+            description: The output endpoint, usually connected to the panel
 
     required:
       - "#address-cells"
@@ -59,6 +69,9 @@ properties:
 
     additionalProperties: false
 
+allOf:
+  - $ref: /schemas/display/dsi-controller.yaml#
+
 required:
   - compatible
   - reg
@@ -67,7 +80,7 @@ required:
   - clock-names
   - ports
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |

-- 
2.50.0