linux-kernel - Re: [PATCH v2 04/14] dt-bindings: arm: mediatek: document WED binding for MT7622

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Message-ID: <15c8aab5-41b7-4d25-4b4c-98536bc197fc@nbd.name>
Date:   Thu, 7 Apr 2022 18:59:46 +0200
From:   Felix Fietkau <nbd@....name>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Arnd Bergmann <arnd@...db.de>
Cc:     Networking <netdev@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC..." 
        <linux-mediatek@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 04/14] dt-bindings: arm: mediatek: document WED binding
 for MT7622


On 06.04.22 10:57, Krzysztof Kozlowski wrote:
> Thanks for clarification. I still wonder about the missing drivers as I
> responded to your second bindings:
> https://lore.kernel.org/all/20220405195755.10817-1-nbd@nbd.name/T/#m6d108c644f0c05cd12c05e56abe2ef75760c6cef
> 
> Both of these compatibles - WED and PCIe - are not actually used. Now
> everything is done inside your Ethernet driver which pokes WED and
> PCIe-mirror address space via regmap/syscon.
> 
> Separate bindings might have sense if WED/PCIe mirror were ever
> converted to real drivers.I think in terms of hardware description it makes more sense to have 
separate nodes, even if the implementation uses them in one driver at 
the moment.

- Felix