linux-kernel - Re: [PATCH v5 2/2] dt-bindings: display: rockchip: Convert cdn-dp-rockchip.txt to yaml

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Message-ID: <0870dee6-0435-4bcd-bc07-20964177d092@kernel.org>
Date: Tue, 20 May 2025 08:23:33 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Chaoyi Chen <kernel@...kyi.com>, Sandy Huang <hjc@...k-chips.com>,
 Heiko Stuebner <heiko@...ech.de>, Andy Yan <andy.yan@...k-chips.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>
Cc: Chaoyi Chen <chaoyi.chen@...k-chips.com>,
 Dragan Simic <dsimic@...jaro.org>, dri-devel@...ts.freedesktop.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 2/2] dt-bindings: display: rockchip: Convert
 cdn-dp-rockchip.txt to yaml

On 20/05/2025 04:47, Chaoyi Chen wrote:
> From: Chaoyi Chen <chaoyi.chen@...k-chips.com>
> 
> Convert cdn-dp-rockchip.txt to yaml.
> 
> Add new "port@1" property which represents the CDN DP output to keep
> the same style as the other display interfaces.
> 
> This patch also changes the constraints for "phys" and "extcon". For
> the original binding, only one phy and the corresponding extcon can
> be specified. In the new binding, one or two phys can be specified.
> Since the RK3399 has two DP-USB PHYs, specifying one allows output
> via the corresponding PHY, while specifying two lets the driver
> choose one PHY for output. This rule also applies to extcon, which
> provides the cable state for the corresponding PHY.
> 
> Signed-off-by: Chaoyi Chen <chaoyi.chen@...k-chips.com>
> ---
> 

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof