linux-kernel - Re: [PATCH 1/3] dt-bindings: display: bridge: Add waveshare DSI2DPI unit support

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Message-ID: <20250720225251.GA2952017-robh@kernel.org>
Date: Sun, 20 Jul 2025 17:52:51 -0500
From: Rob Herring <robh@...nel.org>
To: Joseph Guo <qijian.guo@....com>
Cc: 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>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jessica Zhang <quic_jesszhan@...cinc.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Sam Ravnborg <sam@...nborg.org>, dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	victor.liu@....com
Subject: Re: [PATCH 1/3] dt-bindings: display: bridge: Add waveshare DSI2DPI
 unit support

On Wed, Jul 16, 2025 at 04:08:29PM +0900, Joseph Guo wrote:
> Add dt-binding documentation for waveshare DSI2DPI unit
> 
> Signed-off-by: Joseph Guo <qijian.guo@....com>
> ---
>  .../bindings/display/bridge/waveshare,dsi2dpi.yaml | 103 +++++++++++++++++++++
>  1 file changed, 103 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml b/Documentation/devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..678922ebe138ec2fa7bd05902947a86ec73fc644
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/waveshare,dsi2dpi.yaml
> @@ -0,0 +1,103 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/waveshare,dsi2dpi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Waveshare MIPI-DSI to DPI Converter bridge
> +
> +maintainers:
> +  - Joseph Guo <qijian.guo@....com>
> +
> +description:
> +  Waveshare bridge board is part of Waveshare panel which converts DSI to DPI.
> +
> +properties:
> +  compatible:
> +    const: waveshare,dsi2dpi
> +
> +  reg:
> +    maxItems: 1
> +    description: base I2C address of the device
> +
> +  power-supply: true
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description:
> +          Video port for MIPI DSI input
> +
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              data-lanes:
> +                description: array of physical DSI data lane indexes.
> +                items:
> +                  - const: 1
> +                  - const: 2
> +
> +            required:
> +              - data-lanes
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description:
> +          Video port for MIPI DPI output panel.
> +
> +    required:
> +      - port@0
> +      - port@1
> +
> +required:
> +  - compatible
> +  - reg
> +  - ports
> +  - power-supply
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +
> +    i2c0 {

i2c {

Otherwise,

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