linux-kernel - [PATCH] dt-bindings: display: bridge: it6505: Add #sound-dai-cells

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Date: Fri, 26 Jan 2024 15:35:10 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Allen Chen <allen.chen@....com.tw>
Cc: Chen-Yu Tsai <wenst@...omium.org>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: display: bridge: it6505: Add #sound-dai-cells

The ITE IT6505 display bridge can take one I2S input and transmit it
over the DisplayPort link.

Add #sound-dai-cells (= 0) to the binding for it.

Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
---
The driver side changes [1] are still being worked on, but given the
hardware is very simple, it would be nice if we could land the binding
first and be able to introduct device trees that have this.

[1] https://lore.kernel.org/linux-arm-kernel/20230730180803.22570-4-jiaxin.yu@mediatek.com/

 .../devicetree/bindings/display/bridge/ite,it6505.yaml         | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
index 348b02f26041..7ec4decc9c21 100644
--- a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
@@ -52,6 +52,9 @@ properties:
     maxItems: 1
     description: extcon specifier for the Power Delivery
 
+  "#sound-dai-cells":
+    const: 0
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
 
-- 
2.43.0.429.g432eaa2c6b-goog