linux-kernel - Re: [PATCH 2/6] dt-bindings: pinctrl: mt7620: add proper function muxing binding

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Message-ID: <286bbd0f-1632-6071-7d08-e56ed16c234c@linaro.org>
Date:   Wed, 14 Dec 2022 14:10:14 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Arınç ÜNAL <arinc.unal@...nc9.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Sergio Paracuellos <sergio.paracuellos@...il.com>,
        Luiz Angelo Daros de Luca <luizluca@...il.com>
Cc:     linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org
Subject: Re: [PATCH 2/6] dt-bindings: pinctrl: mt7620: add proper function
 muxing binding

On 14/12/2022 14:03, Arınç ÜNAL wrote:
> On 14.12.2022 14:55, Krzysztof Kozlowski wrote:
>>>   
>>> +        allOf:
>>> +          - if:
>>> +              properties:
>>> +                function:
>>> +                  const: antenna
>>> +            then:
>>> +              properties:
>>> +                groups:
>>> +                  enum: [i2s]
>>
>> I have doubts such setup is maintainable and readable. I would suggest
>> to leave just few - maybe for gpio, jtag, refclk, utif.
> 
> These bindings are not going to change once all properly defined and I'm 
> here as a maintainer so I don't see an issue with maintaining the binding.
> 
> It's the whole pin configuration of an SoC squashed under a single 
> document. I guess this is the fate of the pinctrl bindings. The bindings 
> for mt7622 is not so different:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/pinctrl/mediatek%2Cmt7622-pinctrl.yaml#n63

It's much smaller number of if:then: than yours but if you want to
manage it then sure:

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>


Best regards,
Krzysztof