linux-kernel - Re: [PATCH v1 3/6] dt-bindings: mediatek,mt6779-keypad: add mediatek,double-keys

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Date:   Thu, 21 Jul 2022 16:44:48 +0200
From:   Mattijs Korpershoek <mkorpershoek@...libre.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        Fabien Parent <parent.f@...il.com>, devicetree@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        Fabien Parent <fparent@...libre.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1 3/6] dt-bindings: mediatek,mt6779-keypad: add
 mediatek,double-keys

On Thu, Jul 21, 2022 at 15:51, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> wrote:

> On 21/07/2022 15:32, Mattijs Korpershoek wrote:
>>>> diff --git a/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml b/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml
>>>> index ca8ae40a73f7..03c9555849e5 100644
>>>> --- a/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml
>>>> +++ b/Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml
>>>> @@ -49,6 +49,12 @@ properties:
>>>>      maximum: 256
>>>>      default: 16
>>>>  
>>>> +  mediatek,double-keys:
>>>
>>> Do you think there could be another MT keypad version with triple-keys?
>> 
>> Of all the SoC's i've worked on (MT8167, MT8183, MT8365, MT8195) I've
>> never seen a "triple-keys" keypad.
>
> OK, but the binding you create now would be poor if MT comes with such
> tripe-key feature later...

ACK, I'll send a v2 to transform this into a uint32 property named
mediatek,keys-per-group

Thanks,
Mattijs

>
>
> Best regards,
> Krzysztof