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

From: Biju Das
Date: Wed Jul 27 2022 - 05:28:20 EST


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.

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