linux-kernel - Re: [PATCH v1 1/2] dt-bindings: display: panel: raspberrypi: Add compatible property for waveshare 7inch touchscreen panel

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Date:   Fri, 24 Nov 2023 12:31:07 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Shengyang Chen <shengyang.chen@...rfivetech.com>
Cc:     devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        neil.armstrong@...aro.org, quic_jesszhan@...cinc.com,
        sam@...nborg.org, airlied@...il.com, daniel@...ll.ch,
        maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        florian.fainelli@...adcom.com,
        bcm-kernel-feedback-list@...adcom.com, eric@...olt.net,
        thierry.reding@...il.com, changhuang.liang@...rfivetech.com,
        keith.zhao@...rfivetech.com, jack.zhu@...rfivetech.com,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/2] dt-bindings: display: panel: raspberrypi: Add
 compatible property for waveshare 7inch touchscreen panel

On Fri, Nov 24, 2023 at 06:44:50PM +0800, Shengyang Chen wrote:
> The waveshare 7inch touchscreen panel is a kind of raspberrypi pi
> panel

Can you be more specific about what "is a kind of rpi panel" means?
Are they using identical chips as controllers or something like that?

> and it can be drived by panel-raspberrypi-touchscreen.c.
> Add compatible property for it.
> 
> Signed-off-by: Keith Zhao <keith.zhao@...rfivetech.com>
> Signed-off-by: Shengyang Chen <shengyang.chen@...rfivetech.com>
> ---
>  .../bindings/display/panel/raspberrypi,7inch-touchscreen.yaml | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.yaml b/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.yaml
> index 22a083f7bc8e..e4e6cb4d4e5b 100644
> --- a/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.yaml
> @@ -22,7 +22,9 @@ description: |+
>  
>  properties:
>    compatible:
> -    const: raspberrypi,7inch-touchscreen-panel
> +    enum:
> +      - raspberrypi,7inch-touchscreen-panel
> +      - waveshare,7inch-touchscreen-panel
>  
>    reg:
>      const: 0x45
> -- 
> 2.17.1
> 

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