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Message-ID: <9fc5e30b8bc7e160ddc54a2056ca6e57eaebbab4.camel@collabora.com>
Date:   Thu, 26 Dec 2019 11:27:15 -0300
From:   Ezequiel Garcia <ezequiel@...labora.com>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>
Cc:     Collabora Kernel ML <kernel@...labora.com>, matthias.bgg@...il.com,
        drinkcat@...omium.org, hsinyi@...omium.org,
        Jitao Shi <jitao.shi@...iatek.com>,
        Rob Herring <robh@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Ulrich Hecht <uli@...nd.eu>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        David Airlie <airlied@...ux.ie>,
        Mark Rutland <mark.rutland@....com>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH v22 1/2] Documentation: bridge: Add documentation for
 ps8640 DT properties

Hi Enric, Rob,

On Mon, 2019-12-23 at 15:35 +0100, Enric Balletbo i Serra wrote:
> From: Jitao Shi <jitao.shi@...iatek.com>
> 
> Add documentation for DT properties supported by
> ps8640 DSI-eDP converter.
> 
> Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
> Acked-by: Rob Herring <robh@...nel.org>
> Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>
> Signed-off-by: Ulrich Hecht <uli@...nd.eu>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
[..]
> +
> +  ports:
> +    type: object
> +    description:
> +      A node containing DSI input & output port nodes with endpoint
> +      definitions as documented in
> +      Documentation/devicetree/bindings/media/video-interfaces.txt
> +      Documentation/devicetree/bindings/graph.txt
> +    properties:
> +      port@0:
> +        type: object
> +        description: |
> +          Video port for DSI input
> +
> +      port@1:
> +        type: object
> +        description: |
> +          Video port for eDP output (panel or connector).
> +
> +    required:
> +      - port@0
> +

Is it correct to require port@0 ? This could be called port@1
or port@2, and IIUC it should bind the same.

Thanks,
Ezequiel 

> +required:
> +  - compatible
> +  - reg
> +  - powerdown-gpios
> +  - reset-gpios
> +  - vdd12-supply
> +  - vdd33-supply
> +  - ports
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    i2c0 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        ps8640: edp-bridge@18 {
> +            compatible = "parade,ps8640";
> +            reg = <0x18>;
> +            powerdown-gpios = <&pio 116 GPIO_ACTIVE_LOW>;
> +            reset-gpios = <&pio 115 GPIO_ACTIVE_LOW>;
> +            vdd12-supply = <&ps8640_fixed_1v2>;
> +            vdd33-supply = <&mt6397_vgp2_reg>;
> +
> +            ports {
> +                #address-cells = <1>;
> +                #size-cells = <0>;
> +
> +                port@0 {
> +                    reg = <0>;
> +                    ps8640_in: endpoint {
> +                        remote-endpoint = <&dsi0_out>;
> +                    };
> +                };
> +
> +                port@1 {
> +                    reg = <1>;
> +                    ps8640_out: endpoint {
> +                        remote-endpoint = <&panel_in>;
> +                   };
> +                };
> +            };
> +        };
> +    };
> +
> -- 
> 2.20.1
> 
> 


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