linux-kernel - Re: [PATCH 1/2] dt-bindings: pinctrl: add bindings for MT7981 SoC

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Date:   Wed, 25 Jan 2023 11:16:31 -0600
From:   Rob Herring <robh@...nel.org>
To:     Daniel Golle <daniel@...rotopia.org>
Cc:     linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Sean Wang <sean.wang@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Sam Shih <sam.shih@...iatek.com>,
        Jianhui Zhao <zhaojh329@...il.com>
Subject: Re: [PATCH 1/2] dt-bindings: pinctrl: add bindings for MT7981 SoC

On Mon, Jan 23, 2023 at 5:56 PM Daniel Golle <daniel@...rotopia.org> wrote:
>
> On Mon, Jan 23, 2023 at 04:59:43PM -0600, Rob Herring wrote:
> > On Sun, Jan 22, 2023 at 06:23:55PM +0000, Daniel Golle wrote:
> > > Add bindings for the MT7981 pinctrl driver, based on existing MT7986
> > > pinctrl bindings.
> >
> > What existing bindings? A .txt file you need to remove, or undocumented,
> > but in use somewhere (where?)?
>
> What I meant to express is that I used the existing
> mediatek,mt7986-pinctrl.yaml file as the template to create a similar
> document for MT7981. I guess my English was not clear enough.

No, I just missed the 1 digit difference...

> Maybe better like this?
>
> "Add bindings for the MT7981 pinctrl driver. As MT7981 is simiar to
> MT7986, the existing mediatek,mt7986-pinctrl.yaml was used as an example
> to create a similar document covering MT7981."

Describe how the h/w is similar or different. Can they share the same
schema doc? I'm guessing all the if/then schemas for pins/groups are
different, so no. But I shouldn't have to guess.

Rob