linux-kernel - Re: [RFC PATCH 8/8] dt-bindings: display: panel: add Fascontek FS035VG158 panel

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Message-ID: <c4d89d97-f8d4-da2e-dea9-6c054cf07eb3@linaro.org>
Date:   Mon, 11 Sep 2023 13:49:39 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     John Watts <contact@...kia.org>
Cc:     dri-devel@...ts.freedesktop.org,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Chris Morgan <macromorgan@...mail.com>,
        Jagan Teki <jagan@...eble.ai>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 8/8] dt-bindings: display: panel: add Fascontek
 FS035VG158 panel

On 11/09/2023 11:49, John Watts wrote:
> Hello again,
> 
> On Mon, Sep 11, 2023 at 11:41:12AM +0200, Krzysztof Kozlowski wrote:
>>> +maintainers:
>>> +  - John Watts <contact@...kia.org>
>>> +
>>> +allOf:
>>> +  - $ref: panel-common.yaml#
>>> +  - $ref: /schemas/spi/spi-peripheral-props.yaml#
>>> +
>>> +properties:
>>> +  compatible:
>>> +    const: fascontek,fs035vg158
>>> +
>>> +  backlight: true
>>> +  port: true
>>> +  power-supply: true
>>> +  reg: true
>>> +  reset-gpios: true
>>
>> Why do you need all these 5? They are allowed by panel-common.
>>
>>> +
>>> +  spi-3wire: true
>>> +
>>> +required:
>>> +  - compatible
>>
>> Missing reg. Probably also port.
>>
>>
>>> +  - power-supply
>>> +  - reset-gpios
>>> +
> 
> I have just copy pasted the other panel's yaml, so these issues apply
> there too. Should I fix that panel's yaml up first then re-copy?

If the other panel has exactly the same case, then yes, you can do like
this. But it depends on the bindings - to which ones do you refer as
your tmeplate?

Best regards,
Krzysztof