Re: [PATCH 4/6] dt-bindings: riscv: Add DT binding documentation for Renesas RZ/Five SoC and SMARC EVK

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Hi Biju,

On Wed, Jul 27, 2022 at 10:27 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
>
> Hi Lad, Prabhakar,
>
> > Subject: Re: [PATCH 4/6] dt-bindings: riscv: Add DT binding
> > documentation for Renesas RZ/Five SoC and SMARC EVK
> >
> > Hi Krzysztof,
> >
> > Thank you for the review.
> >
> > On Wed, Jul 27, 2022 at 9:54 AM Krzysztof Kozlowski
> > <krzysztof.kozlowski@xxxxxxxxxx> wrote:
> > >
> > > On 26/07/2022 20:06, Lad Prabhakar wrote:
> > > > Document Renesas RZ/Five (R9A07G043) SoC and SMARC EVK based on this
> > SoC.
> > > >
> > > > Signed-off-by: Lad Prabhakar
> > > > <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > > > ---
> > > >  .../devicetree/bindings/riscv/renesas.yaml    | 49
> > +++++++++++++++++++
> > > >  1 file changed, 49 insertions(+)
> > > >  create mode 100644
> > > > Documentation/devicetree/bindings/riscv/renesas.yaml
> > > >
> > > > diff --git a/Documentation/devicetree/bindings/riscv/renesas.yaml
> > > > b/Documentation/devicetree/bindings/riscv/renesas.yaml
> > > > new file mode 100644
> > > > index 000000000000..f72f8aea6a82
> > > > --- /dev/null
> > > > +++ b/Documentation/devicetree/bindings/riscv/renesas.yaml
> > > > @@ -0,0 +1,49 @@
> > > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > > > +---
> > > > +$id:
>
> > > > +
> > > > +title: Renesas RZ/Five Platform Device Tree Bindings
> > > > +
> > > > +maintainers:
> > > > +  - Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> > > > +  - Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > > > +
> > > > +# We want to ignore this schema if the board is SMARC EVK based on
> > > > +ARM64 arch
> > > > +select:
> > > > +  not:
> > > > +    properties:
> > > > +      compatible:
> > > > +        contains:
> > > > +          items:
> > >
> > > I think you should rather ignore the RiscV SoCs, not specific board.
> > >
> > You mean to ignore ARM/64 SoCs?
> >
> > Agreed just the below enum, should do the trick.
> >
> >             - enum:
> >                 - renesas,r9a07g043u11
> >                 - renesas,r9a07g043u12
> >                 - renesas,r9a07g044c1
> >                 - renesas,r9a07g044c2
> >                 - renesas,r9a07g044l1
> >                 - renesas,r9a07g044l2
> >                 - renesas,r9a07g054l1
> >                 - renesas,r9a07g054l2
>
> Why do we need to add renesas,r9a07g044 and renesas,r9a07g054
> in riscv file? These are arm64 only SoC's.
>
The above needs to be added to avoid dtbs_check/dt_binding_check
errors. The above hunk ignores the RISC-V schema if it's an ARM64 SoC.

Cheers,
Prabhakar

> Cheers,
> Biju
>
>
>
> >
> > > > +            - const: renesas,smarc-evk
> > > > +            - enum:
> > > > +                - renesas,r9a07g043u11
> > > > +                - renesas,r9a07g043u12
> > > > +                - renesas,r9a07g044c1
> > > > +                - renesas,r9a07g044c2
> > > > +                - renesas,r9a07g044l1
> > > > +                - renesas,r9a07g044l2
> > > > +                - renesas,r9a07g054l1
> > > > +                - renesas,r9a07g054l2
> > > > +            - enum:
> > > > +                - renesas,r9a07g043
> > > > +                - renesas,r9a07g044
> > > > +                - renesas,r9a07g054
> > >
> > > Did you actually test that it works and properly matches?
> > >
> > Yes I have run the dtbs_check and dt_binding _check for ARM64 and RISC-
> > V. Do you see any cases where it can fail?
> >
> > Cheers,
> > Prabhakar



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