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Date:   Tue, 9 Feb 2021 13:30:10 -0600
From:   Rob Herring <robh@kernel.org>
To:     Xin Ji <xji@analogixsemi.com>
Cc:     David Airlie <airlied@linux.ie>,
        Nicolas Boichat <drinkcat@google.com>,
        Hsin-Yi Wang <hsinyi@chromium.org>,
        Daniel Vetter <daniel@ffwll.ch>,
        Sam Ravnborg <sam@ravnborg.org>,
        Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
        Maxime Ripard <mripard@kernel.org>,
        Mark Brown <broonie@kernel.org>,
        Ricardo =?iso-8859-1?Q?Ca=F1uelo?= 
        <ricardo.canuelo@collabora.com>, dri-devel@lists.freedesktop.org,
        devicetree@vger.kernel.org, Sheng Pan <span@analogixsemi.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 1/3] dt-bindings:drm/bridge:anx7625:add vendor define
 flags
Message-ID: <20210209193010.GA4675@robh.at.kernel.org>
References: <cover.1611802321.git.xji@analogixsemi.com>
 <246b8bd6e51ed5c8cb3618f4259adf8aba319511.1611802321.git.xji@analogixsemi.com>
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On Thu, Jan 28, 2021 at 11:08:26AM +0800, Xin Ji wrote:
> Add 'bus-type' and 'data-lanes' define for port0, add HDCP support
> flag and DP tx lane0 and lane1 swing register array define.
> 
> Signed-off-by: Xin Ji <xji@analogixsemi.com>
> ---
>  .../bindings/display/bridge/analogix,anx7625.yaml  | 54 +++++++++++++++++++++-
>  1 file changed, 53 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> index c789784..048deec 100644
> --- a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> @@ -34,6 +34,24 @@ properties:
>      description: used for reset chip control, RESET_N pin B7.
>      maxItems: 1
>  
> +  analogix,lane0-swing:
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    maxItems: 20
> +    description:
> +      an array of swing register setting for DP tx lane0 PHY, please don't
> +      add this property, or contact vendor.
> +
> +  analogix,lane1-swing:
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    maxItems: 20
> +    description:
> +      an array of swing register setting for DP tx lane1 PHY, please don't
> +      add this property, or contact vendor.
> +
> +  analogix,hdcp-support:
> +    type: boolean
> +    description: indicate the DP tx HDCP support or not.

Please show the new properties in the example.

> +
>    ports:
>      $ref: /schemas/graph.yaml#/properties/ports
>  
> @@ -41,13 +59,45 @@ properties:
>        port@0:
>          $ref: /schemas/graph.yaml#/properties/port
>          description:
> -          Video port for MIPI DSI input.
> +          Video port for MIPI input.
> +
> +        properties:
> +          endpoint:
> +            type: object
> +            additionalProperties: false
> +
> +            # Properties described in
> +            # Documentation/devicetree/bindings/media/video-interfaces.txt

Now video-interfaces.yaml which should have a $ref here. It's currently 
in media tree and linux-next. Follow the examples there. You'll also 
have to wait for 5.12-rc1 to apply to drm-misc.

> +            properties:
> +              remote-endpoint: true
> +              bus-type: true
> +              data-lanes: true
> +
> +            required:
> +              - remote-endpoint
> +
> +        required:
> +          - endpoint
> +
>  
>        port@1:
>          $ref: /schemas/graph.yaml#/properties/port
>          description:
>            Video port for panel or connector.
>  
> +        properties:
> +          endpoint:
> +            type: object
> +            additionalProperties: false
> +
> +            # Properties described in
> +            # Documentation/devicetree/bindings/media/video-interfaces.txt
> +            properties:
> +              remote-endpoint: true
> +
> +            required:
> +              - remote-endpoint
> +
>      required:
>        - port@0
>        - port@1
> @@ -81,6 +131,8 @@ examples:
>                      reg = <0>;
>                      anx7625_in: endpoint {
>                          remote-endpoint = <&mipi_dsi>;
> +                        bus-type = <5>;
> +                        data-lanes = <0 1 2 3>;
>                      };
>                  };
>  
> -- 
> 2.7.4
>