linux-kernel - [PATCH v2 2/3] dt-bindings: display: ti,tdp158: Add missing reg constraint

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Message-Id: <20250820-dt-bindings-display-v2-2-91e2ccba3d4e@linaro.org>
Date: Wed, 20 Aug 2025 16:17:37 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.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>, 
 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>, 
 "H. Nikolaus Schaller" <hns@...delico.com>, Arnaud Vrac <avrac@...ebox.fr>, 
 Pierre-Hugues Husson <phhusson@...ebox.fr>, 
 Sandy Huang <hjc@...k-chips.com>, 
 Heiko Stübner <heiko@...ech.de>, 
 Andy Yan <andy.yan@...k-chips.com>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 2/3] dt-bindings: display: ti,tdp158: Add missing reg
 constraint

Device can be used over I2C bus, so it documents 'reg' property, however
it misses to constrain it to actual I2C address.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 Documentation/devicetree/bindings/display/bridge/ti,tdp158.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/display/bridge/ti,tdp158.yaml b/Documentation/devicetree/bindings/display/bridge/ti,tdp158.yaml
index 1c522f72c4bae3313930b5c76dd04dde1aef5151..721da44054e19ff04fe9d8c1dc31a9168e8f79f5 100644
--- a/Documentation/devicetree/bindings/display/bridge/ti,tdp158.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ti,tdp158.yaml
@@ -17,6 +17,7 @@ properties:
 # The reg property is required if and only if the device is connected
 # to an I2C bus. In pin strap mode, reg must not be specified.
   reg:
+    maxItems: 1
     description: I2C address of the device

 # Pin 36 = Operation Enable / Reset Pin

-- 
2.48.1