linux-kernel - Re: [PATCH v2 1/2] dt-bindings: display: bridge: waveshare,dsi2dpi: Document 1..4 DSI lane support

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Message-ID: <176850730712.1093165.15441480948491259694.robh@kernel.org>
Date: Thu, 15 Jan 2026 14:01:47 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Marek Vasut <marek.vasut+renesas@...lbox.org>
Cc: Maxime Ripard <mripard@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Conor Dooley <conor+dt@...nel.org>,
	David Airlie <airlied@...il.com>, Jonas Karlman <jonas@...boo.se>,
	Simona Vetter <simona@...ll.ch>, devicetree@...r.kernel.org,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Joseph Guo <qijian.guo@....com>, linux-renesas-soc@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Robert Foss <rfoss@...nel.org>
Subject: Re: [PATCH v2 1/2] dt-bindings: display: bridge: waveshare,dsi2dpi:
 Document 1..4 DSI lane support


On Thu, 15 Jan 2026 03:39:42 +0100, Marek Vasut wrote:
> Describe 1..4 DSI lanes as supported. Internally, this bridge is
> an ChipOne ICN6211 which loads its register configuration from a
> dedicated storage and its I2C does not seem to be accessible. The
> ICN6211 supports up to 4 DSI lanes, so this is a hard limit for
> this bridge. The lane configuration is preconfigured in the bridge
> for each of the WaveShare panels.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@...lbox.org>
> ---
> Cc: Andrzej Hajda <andrzej.hajda@...el.com>
> Cc: Conor Dooley <conor+dt@...nel.org>
> Cc: David Airlie <airlied@...il.com>
> Cc: Jernej Skrabec <jernej.skrabec@...il.com>
> Cc: Jonas Karlman <jonas@...boo.se>
> Cc: Joseph Guo <qijian.guo@....com>
> Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
> Cc: Laurent Pinchart <Laurent.pinchart@...asonboard.com>
> Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
> Cc: Maxime Ripard <mripard@...nel.org>
> Cc: Neil Armstrong <neil.armstrong@...aro.org>
> Cc: Rob Herring <robh@...nel.org>
> Cc: Robert Foss <rfoss@...nel.org>
> Cc: Simona Vetter <simona@...ll.ch>
> Cc: Thomas Zimmermann <tzimmermann@...e.de>
> Cc: devicetree@...r.kernel.org
> Cc: dri-devel@...ts.freedesktop.org
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-renesas-soc@...r.kernel.org
> ---
> V2: No change
> ---
>  .../devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml  | 3 +++
>  1 file changed, 3 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>