linux-kernel - Re: [PATCH 1/2] dt-bindings: arm: Add i.MX8M Mini Gateworks GW7904 board

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Message-ID: <CAJ+vNU1NEYWvev3s=1rPPNCRovBqa0p=JTXLHLpV7fOWf-dFLg@mail.gmail.com>
Date:   Thu, 8 Sep 2022 14:44:46 -0700
From:   Tim Harvey <tharvey@...eworks.com>
To:     Rob Herring <robh@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Subject: Re: [PATCH 1/2] dt-bindings: arm: Add i.MX8M Mini Gateworks GW7904 board

On Thu, Sep 8, 2022 at 2:19 PM Rob Herring <robh@...nel.org> wrote:
>
> On Fri, Sep 02, 2022 at 04:04:59PM -0700, Tim Harvey wrote:
> > Add DT compatible string for i.MX8M Mini based Gateworks GW7904 board.
> >
> > Signed-off-by: Tim Harvey <tharvey@...eworks.com>
> > Cc: Rob Herring <robh+dt@...nel.org>
> > Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
> > Cc: Shawn Guo <shawnguo@...nel.org>
> > Cc: Sascha Hauer <s.hauer@...gutronix.de>
> > Cc: Pengutronix Kernel Team <kernel@...gutronix.de>
> > Cc: Fabio Estevam <festevam@...il.com>
> > Cc: NXP Linux Team <linux-imx@....com>
> > ---
> >  Documentation/devicetree/bindings/arm/fsl.yaml | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
> > index 7431579ab0e8..ce89fac1898e 100644
> > --- a/Documentation/devicetree/bindings/arm/fsl.yaml
> > +++ b/Documentation/devicetree/bindings/arm/fsl.yaml
> > @@ -831,6 +831,7 @@ properties:
> >                - gw,imx8mm-gw7901          # i.MX8MM Gateworks Board
> >                - gw,imx8mm-gw7902          # i.MX8MM Gateworks Board
> >                - gw,imx8mm-gw7903          # i.MX8MM Gateworks Board
> > +              - gateworks,imx8mm-gw7904   # i.MX8MM Gateworks Board
>
> A useful comment would be ones that distuiguish these boards. It's
> obvious from the compatible it's a i.MX8MM board from Gateworks.

But isn't it clear that you need to go to the device-tree itself to
understand the details?

As far as basic features go sometimes there is very little difference
in these board models. It would be a struggle to list all the board
details (which I do in the dts commit) in a way that doesn't take up
too much space in fsl.yaml.

Best Regards,

Tim