Hi Biju, On Thu, Nov 28, 2024 at 7:52 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote: > > From: Conor Dooley <conor@xxxxxxxxxx> > > On Wed, Nov 27, 2024 at 05:18:56PM +0000, Biju Das wrote: > > > > -----Original Message----- > > > > From: Conor Dooley <conor@xxxxxxxxxx> > > > > Sent: 27 November 2024 16:33 > > > > Subject: Re: [PATCH 03/12] dt-bindings: soc: renesas: Document > > > > RZ/G3E SMARC SoM and Carrier-II EVK > > > > > > > > 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.ya > > > > > > > +++ ml > > > > > > > @@ -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/devi > > > > > cetr > > > > > ee/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. > > > > > > All our SMARC Modules and SMARC Carrier boards are SMARC compliant. > > > > All of yours might be, but what you said was "some vendors". > > FYI, In the past, we have a requirement to validate smarc-evk before RZ/G2L SMARC > SoM available. > > So, we just used a SMARC SoM based on RZ/G2N and tested smarc-evk ethernet interface(of course with small hw mods) Cool! > > > So, if anyone have a RZ/G3E SMARC SoM, that should work with SMARC2-EVK. > > > > > > > > > > > > > They can use Renesas RZ/G3E SMARC module and use their custom carrier boards. > > > > > > > > But allowing this part does make sense. > > > > > > We already have a use case for this example. > > > > > > Renesas RZ/G3E SoM can work on both Renesas smarc-evk and smarc2-evk. > > > > > > But we only officially support RZ/G3E SoM with SMARC2-EVK as it has multiple display support. > > > > > > So, can I use const for both SoM and Carrier EVK as at the moment > > > there is only one? > > > > That is what I would do. > > Geert, Please share your thoughts. I prefer the enum, as it causes less churn when adding more entries later. Cfr. using a comma after the last entry in a C array, so new entries can be appended later, without touching existing lines. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds