linux-kernel - Re: [PATCH 6/6] riscv: dts: renesas: Add initial devicetree for Renesas RZ/Five SoC

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Date:   Wed, 27 Jul 2022 10:08:52 +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 6/6] riscv: dts: renesas: Add initial devicetree for
 Renesas RZ/Five SoC

Hi Krzysztof,

On Wed, Jul 27, 2022 at 9:55 AM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:
>
> On 26/07/2022 20:06, Lad Prabhakar wrote:
> > Add initial device tree for Renesas RZ/Five RISC-V CPU Core (AX45MP
> > Single).
> >
> > Below is the list of IP blocks added in the initial SoC DTSI which can be
> > used to boot via initramfs on RZ/Five SMARC EVK:
> > - AX45MP CPU
> > - CPG
> > - PINCTRL
> > - PLIC
> > - SCIF0
> > - SYSC
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > ---
> >  arch/riscv/boot/dts/Makefile               |   1 +
> >  arch/riscv/boot/dts/renesas/r9a07g043.dtsi | 121 +++++++++++++++++++++
> >  2 files changed, 122 insertions(+)
> >  create mode 100644 arch/riscv/boot/dts/renesas/r9a07g043.dtsi
> >
> > diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile
> > index ff174996cdfd..b0ff5fbabb0c 100644
> > --- a/arch/riscv/boot/dts/Makefile
> > +++ b/arch/riscv/boot/dts/Makefile
> > @@ -3,5 +3,6 @@ subdir-y += sifive
> >  subdir-y += starfive
> >  subdir-$(CONFIG_SOC_CANAAN_K210_DTB_BUILTIN) += canaan
> >  subdir-y += microchip
> > +subdir-y += renesas
>
> What are you building there? There is no DTS.
>
My plan was to get the initial minimal SoC DTSi and then gradually add
the board DTS, but it looks like I'll have to include it along with
this series.

Cheers,
Prabhakar