linux-kernel - Re: [PATCH v19 3/8] dt-bindings: display: bridge: Add Cadence MHDP8501

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Message-ID: <b6m4c5qbjbwdwuycunhoe6hj3akmqb257havourydry4wlrmkn@hmzkyodyqz4n>
Date: Wed, 27 Nov 2024 08:25:50 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Sandor Yu <Sandor.yu@....com>
Cc: dmitry.baryshkov@...aro.org, andrzej.hajda@...el.com, 
	neil.armstrong@...aro.org, Laurent.pinchart@...asonboard.com, jonas@...boo.se, 
	jernej.skrabec@...il.com, airlied@...il.com, daniel@...ll.ch, robh+dt@...nel.org, 
	krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org, s.hauer@...gutronix.de, festevam@...il.com, 
	vkoul@...nel.org, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org, 
	mripard@...nel.org, kernel@...gutronix.de, linux-imx@....com, oliver.brown@....com, 
	alexander.stein@...tq-group.com, sam@...nborg.org
Subject: Re: [PATCH v19 3/8] dt-bindings: display: bridge: Add Cadence
 MHDP8501

On Tue, Nov 26, 2024 at 10:11:48PM +0800, Sandor Yu wrote:
> Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.
> 
> Signed-off-by: Sandor Yu <Sandor.yu@....com>
> ---
> v18->v19:
> - move data-lanes property to endpoint of port@1
> 
> v17->v18:
> - remove lane-mapping and replace it with data-lanes
> - remove r-b tag as property changed.
> 
> v16->v17:
> - Add lane-mapping property
> 
> v9->v16:
>  *No change
> 
>  .../display/bridge/cdns,mhdp8501.yaml         | 120 ++++++++++++++++++
>  1 file changed, 120 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> new file mode 100644
> index 0000000000000..24abd8447a28c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml
> @@ -0,0 +1,120 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp8501.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cadence MHDP8501 DP/HDMI bridge
> +
> +maintainers:
> +  - Sandor Yu <Sandor.yu@....com>
> +
> +description:
> +  Cadence MHDP8501 DisplayPort/HDMI interface.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - fsl,imx8mq-mhdp8501
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +    description: MHDP8501 DP/HDMI APB clock.
> +
> +  phys:
> +    maxItems: 1
> +    description:
> +      phandle to the DP/HDMI PHY
> +
> +  interrupts:
> +    items:
> +      - description: Hotplug cable plugin.
> +      - description: Hotplug cable plugout.
> +
> +  interrupt-names:
> +    items:
> +      - const: plug_in
> +      - const: plug_out
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description:
> +          Input port from display controller output.
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description:
> +          Output port to DisplayPort or HDMI connector.
> +
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              data-lanes:
> +                $ref: /schemas/media/video-interfaces.yaml#/properties/data-lanes

Drop, not needed.

> +                minItems: 4
> +                maxItems: 4
> +                description: Lane reordering for HDMI or DisplayPort interface.

Blank line

> +            required:
> +              - data-lanes

Blank line

Best regards,
Krzysztof