linux-kernel - [PATCH v2 1/2] dt-bindings: display: bridge: sil,sii9022: Add bus-width

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Message-ID: <20241007085213.2918982-2-w.egorov@phytec.de>
Date: Mon, 7 Oct 2024 10:52:12 +0200
From: Wadim Egorov <w.egorov@...tec.de>
To: <andrzej.hajda@...el.com>, <neil.armstrong@...aro.org>, <rfoss@...nel.org>
CC: <Laurent.pinchart@...asonboard.com>, <jonas@...boo.se>,
	<jernej.skrabec@...il.com>, <maarten.lankhorst@...ux.intel.com>,
	<mripard@...nel.org>, <tzimmermann@...e.de>, <airlied@...il.com>,
	<simona@...ll.ch>, <dri-devel@...ts.freedesktop.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<bbrezillon@...nel.org>, <conor+dt@...nel.org>, <krzk+dt@...nel.org>,
	<robh@...nel.org>, <upstream@...ts.phytec.de>
Subject: [PATCH v2 1/2] dt-bindings: display: bridge: sil,sii9022: Add bus-width

The SI9022 HDMI transmitter can be configured with a bus-width of 16,
18, or 24 bits. Introduce a bus-width property to the input endpoint,
specifying the number of parallel RGB input bits connected to the
transmitter.

Signed-off-by: Wadim Egorov <w.egorov@...tec.de>
---
v2: 
  - Use bus-width instead of data-lines as suggested by Krzysztof
  - Provide a default
---
 .../bindings/display/bridge/sil,sii9022.yaml      | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/sil,sii9022.yaml b/Documentation/devicetree/bindings/display/bridge/sil,sii9022.yaml
index 5a69547ad3d7..1509c4535e53 100644
--- a/Documentation/devicetree/bindings/display/bridge/sil,sii9022.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/sil,sii9022.yaml
@@ -81,9 +81,22 @@ properties:
 
     properties:
       port@0:
-        $ref: /schemas/graph.yaml#/properties/port
+        unevaluatedProperties: false
+        $ref: /schemas/graph.yaml#/$defs/port-base
         description: Parallel RGB input port
 
+        properties:
+          endpoint:
+            $ref: /schemas/graph.yaml#/$defs/endpoint-base
+            unevaluatedProperties: false
+
+            properties:
+              bus-width:
+                description:
+                  Endpoint bus width.
+                enum: [ 16, 18, 24 ]
+                default: 24
+
       port@1:
         $ref: /schemas/graph.yaml#/properties/port
         description: HDMI output port
-- 
2.34.1