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Message-ID: <CA+V-a8sZM3tJhPBT_pCQZYZ3vNjWwxHutZxTiyyySuL+=aBZug@mail.gmail.com>
Date: Mon, 19 Aug 2024 15:01:52 +0100
From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Biju Das <biju.das.jz@...renesas.com>, Magnus Damm <magnus.damm@...il.com>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	"linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>, 
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>, 
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v2 6/8] arm64: dts: renesas: r9a09g057: Add WDT0-WDT3 nodes

Hi Geert,

On Mon, Aug 19, 2024 at 2:58 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Prabhakar,
>
> On Mon, Aug 12, 2024 at 2:32 PM Lad, Prabhakar
> <prabhakar.csengg@...il.com> wrote:
> > On Mon, Aug 12, 2024 at 1:25 PM Biju Das <biju.das.jz@...renesas.com> wrote:
> > > > -----Original Message-----
> > > > From: Prabhakar <prabhakar.csengg@...il.com>
> > > > Sent: Sunday, August 11, 2024 9:50 PM
> > > > Subject: [PATCH v2 6/8] arm64: dts: renesas: r9a09g057: Add WDT0-WDT3 nodes
> > > >
> > > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > > >
> > > > Add WDT0-WDT3 nodes to RZ/V2H(P) ("R9A09G057") SoC DTSI.
> > > >
> > > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > > > ---
> > > > v1->v2
> > > > - New patch
> > > > ---
> > > >  arch/arm64/boot/dts/renesas/r9a09g057.dtsi | 44 ++++++++++++++++++++++
> > > >  1 file changed, 44 insertions(+)
> > > >
> > > > diff --git a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
> > > > index 435b1f4e7d38..7f4e8ad9b0a5 100644
> > > > --- a/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
> > > > +++ b/arch/arm64/boot/dts/renesas/r9a09g057.dtsi
> > > > @@ -184,6 +184,17 @@ scif: serial@...01400 {
> > > >                       status = "disabled";
> > > >               };
> > > >
> > > > +             wdt0: watchdog@...00400 {
> > > > +                     compatible = "renesas,r9a09g057-wdt";
> > > > +                     reg = <0 0x11c00400 0 0x400>;
> > > > +                     clocks = <&cpg CPG_MOD 75>,
> > > > +                              <&cpg CPG_MOD 76>;
> > > > +                     clock-names = "pclk", "oscclk";
> > > > +                     resets = <&cpg 117>;
> > > > +                     power-domains = <&cpg>;
> > > > +                     status = "disabled";
> > > > +             };
> > > > +
> > > >               ostm4: timer@...00000 {
> > > >                       compatible = "renesas,r9a09g057-ostm", "renesas,ostm";
> > > >                       reg = <0x0 0x12c00000 0x0 0x1000>;
> > > > @@ -224,6 +235,28 @@ ostm7: timer@...03000 {
> > > >                       status = "disabled";
> > > >               };
> > > >
> > > > +             wdt2: watchdog@...00000 {
> > > > +                     compatible = "renesas,r9a09g057-wdt";
> > > > +                     reg = <0 0x13000000 0 0x400>;
> > > > +                     clocks = <&cpg CPG_MOD 79>,
> > > > +                              <&cpg CPG_MOD 80>;
> > > > +                     clock-names = "pclk", "oscclk";
> > > > +                     resets = <&cpg 119>;
> > > > +                     power-domains = <&cpg>;
> > > > +                     status = "disabled";
> > > > +             };
> > >
> > > I guess same group(all wdt together) arranged together?? Not sure.
> > >
> > I think Geert prefers it to be sorted based on unit address. So I'll
> > let Geert make a decision on this (and the rest of the similar patches
> > where nodes are sorted based on unit address and not grouped based on
> > IP).
>
> Sorted based on unit-address, but keep all nodes of the same type together.
> I.e.:
>     wdt0: watchdog@...00400 { ... };
>     wdt2: watchdog@...00000 { ... };
>     wdt3: watchdog@...00400 { ... };
>     wdt1: watchdog@...00000 { ... };
>
Got you, I will update the patches with above sorting and send a v3.

Cheers,
Prabhakar

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