linux-kernel - Re: [PATCH 1/6] dt-bindings: arm: renesas: Ignore the schema for RISC-V arch

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Message-ID: <CA+V-a8vb+za1Zckk5aTxz0hKkd5fHQk7gtfV+HR_2YMZ5JuJEQ@mail.gmail.com>
Date:   Wed, 27 Jul 2022 10:00:19 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Anup Patel <anup@...infault.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [PATCH 1/6] dt-bindings: arm: renesas: Ignore the schema for
 RISC-V arch

Hi Krzysztof,

On Wed, Jul 27, 2022 at 9:53 AM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> On 26/07/2022 20:06, Lad Prabhakar wrote:
> > Ignore the ARM renesas.yaml schema if the board is RZ/Five SMARC EVK
> > (RISC-V arch).
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > ---
> >  Documentation/devicetree/bindings/arm/renesas.yaml | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/renesas.yaml b/Documentation/devicetree/bindings/arm/renesas.yaml
> > index ff80152f092f..f646df1a23af 100644
> > --- a/Documentation/devicetree/bindings/arm/renesas.yaml
> > +++ b/Documentation/devicetree/bindings/arm/renesas.yaml
> > @@ -9,6 +9,15 @@ title: Renesas SH-Mobile, R-Mobile, and R-Car Platform Device Tree Bindings
> >  maintainers:
> >    - Geert Uytterhoeven <geert+renesas@...der.be>
> >
> > +# We want to ignore this schema if the board is of RISC-V arch
> > +select:
> > +  not:
> > +    properties:
> > +      compatible:
> > +        contains:
> > +          items:
> > +            - const: renesas,r9a07g043f01
>
> Second issue - why not renesas,r9a07g043?
>
We have two R9A07G043 SOC'S one is based on ARM64 and other on RISC-V.

RZ/G2UL ARM64:
Type-1 Part Number: R9A07G043U11GBG#BC0
Type-2 Part Number: R9A07G043U12GBG#BC0

RZ/Five RISCV:
13 x 13 mm Package Part Number: R9A07G043F01GBG#BC0

So to differentiate in ARM schema I am using  renesas,r9a07g043f01.

Cheers,
Prabhakar