Re: [PATCH 03/12] dt-bindings: soc: renesas: Document RZ/G3E SMARC SoM and Carrier-II EVK

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On Wed, Nov 27, 2024 at 12:34:42PM +0000, Biju Das wrote:
> Hi Conor Dooley,
> 
> Thanks for the feedback.
> 
> > -----Original Message-----
> > From: Conor Dooley <conor@xxxxxxxxxx>
> > Sent: 25 November 2024 18:52
> > Subject: Re: [PATCH 03/12] dt-bindings: soc: renesas: Document RZ/G3E SMARC SoM and Carrier-II EVK
> > 
> > On Fri, Nov 22, 2024 at 12:45:39PM +0000, Biju Das wrote:
> > > Document the Renesas RZ/G3E SMARC Carrier-II EVK board which is based
> > > on the Renesas RZ/G3E SMARC SoM. The RZ/G3E SMARC Carrier-II EVK
> > > consists of an RZ/G3E SoM module and a SMARC Carrier-II carrier board.
> > > The SoM module sits on top of the carrier board.
> > >
> > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > > ---
> > >  Documentation/devicetree/bindings/soc/renesas/renesas.yaml | 4 ++++
> > >  1 file changed, 4 insertions(+)
> > >
> > > diff --git
> > > a/Documentation/devicetree/bindings/soc/renesas/renesas.yaml
> > > b/Documentation/devicetree/bindings/soc/renesas/renesas.yaml
> > > index 7cc2bb97db13..1785142fc8da 100644
> > > --- a/Documentation/devicetree/bindings/soc/renesas/renesas.yaml
> > > +++ b/Documentation/devicetree/bindings/soc/renesas/renesas.yaml
> > > @@ -527,6 +527,10 @@ properties:
> > >
> > >        - description: RZ/G3E (R9A09G047)
> > >          items:
> > > +          - enum:
> > > +              - renesas,smarc2-evk # RZ SMARC Carrier-II EVK
> > > +          - enum:
> > > +              - renesas,rzg3e-smarcm # RZ/G3E SMARC Module (SoM)
> > 
> > Why are these enums, when you have a single item in each?
> 
> I just followed the style used in [1]
> 
> [1] https://elixir.bootlin.com/linux/v6.12.1/source/Documentation/devicetree/bindings/soc/renesas/renesas.yaml#L531

It ain't the same though, since you additionally have the SoM.

> Other than that,
> 
> In future some vendors can add their RZ/G3E SoM's here

Only makes sense if their SoM is compatible with the smarc2-evk.

> Or 
> 
> They can use Renesas RZ/G3E SMARC module and use their custom carrier boards.

But allowing this part does make sense.

> 
> Cheers,
> Biju
> 
> > 
> > >            - enum:
> > >                - renesas,r9a09g047e58 # Quad Cortex-A55 + Cortex-M33 + Ethos-U55 (21mm BGA)
> > >                - renesas,r9a09g047e57 # Quad Cortex-A55 + Cortex-M33 +
> > > Ethos-U55 (15mm BGA)
> > > --
> > > 2.43.0
> > >

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