linux-kernel - Re: [PATCH 01/16] dt-bindings: arm: renesas: Document Renesas RZ/V2L SoC

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Date:   Wed, 22 Dec 2021 19:10:31 +0000
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Biju Das <biju.das.jz@...renesas.com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        dmaengine <dmaengine@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>
Subject: Re: [PATCH 01/16] dt-bindings: arm: renesas: Document Renesas RZ/V2L SoC

Hi Rob,

Thank you for the review.

On Wed, Dec 22, 2021 at 6:23 PM Rob Herring <robh@...nel.org> wrote:
>
> On Tue, Dec 21, 2021 at 09:47:02AM +0000, Lad Prabhakar wrote:
> > From: Biju Das <biju.das.jz@...renesas.com>
> >
> > Document Renesas RZ/V2L SoC.
> >
> > Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > ---
> >  Documentation/devicetree/bindings/arm/renesas.yaml | 7 +++++++
> >  1 file changed, 7 insertions(+)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/renesas.yaml b/Documentation/devicetree/bindings/arm/renesas.yaml
> > index 6a9350ee690b..55a5aec418ab 100644
> > --- a/Documentation/devicetree/bindings/arm/renesas.yaml
> > +++ b/Documentation/devicetree/bindings/arm/renesas.yaml
> > @@ -421,6 +421,13 @@ properties:
> >                - renesas,r9a07g044l2 # Dual Cortex-A55 RZ/G2L
> >            - const: renesas,r9a07g044
> >
> > +      - description: RZ/V2L (R9A07G054)
> > +        items:
> > +          - enum:
> > +              - renesas,r9a07g054l1 # Single Cortex-A55 RZ/V2L
> > +              - renesas,r9a07g054l2 # Dual Cortex-A55 RZ/V2L
>
> I'd assume this is just a fuse difference and with cpu nodes you can
> distinguish how many cores.
>
Yes and there is a register too which tells the CPU count.

Cheers,
Prabhakar

> > +          - const: renesas,r9a07g054
> > +
> >  additionalProperties: true
> >
> >  ...
> > --
> > 2.17.1
> >
> >