linux-kernel - Re: [PATCH v2 2/4] dt-bindings: arm: fsl: fix DEBIX binding

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Date:   Mon, 17 Jul 2023 19:24:24 +0200
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     Ahmad Fatoum <a.fatoum@...gutronix.de>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, shawnguo@...nel.org, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        laurent.pinchart@...asonboard.com, dan.scally@...asonboard.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 2/4] dt-bindings: arm: fsl: fix DEBIX binding

On 23-07-17, Ahmad Fatoum wrote:
> On 17.07.23 18:51, Marco Felsch wrote:
> > The current imx8mp-debix-model-a.dts uses all three compatibles. Fix the
> > corresponding bindings by adding an own entry for it. Mark
> > polyhex,imx8mp-debix as deprecated but keep it within the dts file since
> > we already have a user for it [1].
> > 
> > [1] https://elixir.bootlin.com/barebox/v2023.07.1/source/arch/arm/ \
> >     boards/polyhex-debix/board.c#L38
> > 
> > Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
> > ---
> > Changelog:
> > 
> > v2:
> > - deprecate polyhex,imx8mp-debix
> > 
> >  Documentation/devicetree/bindings/arm/fsl.yaml | 10 ++++++++--
> >  1 file changed, 8 insertions(+), 2 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
> > index 15d4110840654..b29974e3c30b3 100644
> > --- a/Documentation/devicetree/bindings/arm/fsl.yaml
> > +++ b/Documentation/devicetree/bindings/arm/fsl.yaml
> > @@ -1019,8 +1019,6 @@ properties:
> >                - dmo,imx8mp-data-modul-edm-sbc # i.MX8MP eDM SBC
> >                - fsl,imx8mp-evk            # i.MX8MP EVK Board
> >                - gateworks,imx8mp-gw74xx   # i.MX8MP Gateworks Board
> > -              - polyhex,imx8mp-debix      # Polyhex Debix boards
> > -              - polyhex,imx8mp-debix-model-a # Polyhex Debix Model A Board
> >                - toradex,verdin-imx8mp     # Verdin iMX8M Plus Modules
> >                - toradex,verdin-imx8mp-nonwifi  # Verdin iMX8M Plus Modules without Wi-Fi / BT
> >                - toradex,verdin-imx8mp-wifi  # Verdin iMX8M Plus Wi-Fi / BT Modules
> > @@ -1054,6 +1052,14 @@ properties:
> >            - const: phytec,imx8mp-phycore-som         # phyCORE-i.MX8MP SoM
> >            - const: fsl,imx8mp
> >  
> > +      - description: Polyhex DEBIX i.MX8MP based SBCs
> > +        items:
> > +          - enum:
> > +              - polyhex,imx8mp-debix-model-a        # Polyhex Debix Model A Board
> > +          - const: polyhex,imx8mp-debix             # Polyhex Debix boards
> > +            deprecated: true
> 
> I don't see why you need to deprecate this. Can't you just change the comment
> to read "Polyhex i.MX8MP SBCs" or similar?

This was suggested by Krzysztof, since polyhex,imx8mp-debix was to
generic. I can keep it without the deprecation notice and just change
the comment since we need to keep dts compatible anyway.

Regards,
  Marco