linux-kernel - Re: [RFC RESEND PATCH 2/2] arm64: dts: renesas: r9a07g043: Split out RZ/G2UL SoC specific parts

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Date:   Thu, 27 Oct 2022 09:20:24 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, linux-arm-kernel@...ts.infradead.org,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org,
        Conor Dooley <conor.dooley@...rochip.com>,
        Samuel Holland <samuel@...lland.org>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [RFC RESEND PATCH 2/2] arm64: dts: renesas: r9a07g043: Split out
 RZ/G2UL SoC specific parts

Hi Geert,

On Tue, Oct 25, 2022 at 5:13 PM Lad, Prabhakar
<prabhakar.csengg@...il.com> wrote:
>
> Hi Geert,
>
> Thank you for the review.
>
> On Tue, Oct 25, 2022 at 1:37 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> >
> > Hi Prabhakar,
> >
> > On Mon, Oct 17, 2022 at 11:12 AM Prabhakar <prabhakar.csengg@...il.com> wrote:
> > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > >
> > > Move RZ/G2UL SoC specific parts to r9a07g043u.dtsi so that r9a07g043.dtsi
> > > can be shared with RZ/Five (RISC-V SoC).
> > >
> > > Below are the changes due to which SoC specific parts are moved to
> > > r9a07g043u.dtsi:
> > > - RZ/G2UL has Cortex-A55 (ARM64) whereas the RZ/Five has AX45MP (RISC-V)
> > > - RZ/G2UL has GICv3 as interrupt controller whereas the RZ/Five has PLIC
> > > - RZ/G2UL has interrupts for SYSC block whereas interrupts are missing
> > >   for SYSC block on RZ/Five
> > >
> > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> >
> > Thanks for your patch!
> >
> > This assumes the operating points tables are the same for both variants?
> > I guess that's OK.
> >
> Ive asked the HW team to confirm this. For the v2 I'll keep it as is
> and later move it if required.
>
Ive confirmed with the HW team the OPP table is the same for both the variants.

Cheers,
Prabhakar