linux-kernel - Re: [PATCH 0/5] soc: renesas: Add system controller support for RZ/G3E SoC

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Message-ID: <CAMuHMdUBWWmtcL98Roz3kaJvTUk_gwLGT0GVZRHqn2=FRhj-Aw@mail.gmail.com>
Date: Fri, 13 Dec 2024 17:25:28 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: John Madieu <john.madieu.xa@...renesas.com>
Cc: Magnus Damm <magnus.damm@...il.com>, Rob Herring <robh@...nel.org>, 
	Biju Das <biju.das.jz@...renesas.com>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Claudiu Beznea <claudiu.beznea.uj@...renesas.com>, 
	john.madieu@...il.com, linux-renesas-soc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 0/5] soc: renesas: Add system controller support for
 RZ/G3E SoC

Hi John,

On Fri, Dec 6, 2024 at 10:26 PM John Madieu
<john.madieu.xa@...renesas.com> wrote:
> This patch series adds support for the RZ/G3E system controller and extends
> the existing RZ/V2H(P) system controller to support syscon. The RZ/G3E
> system controller allows detecting various SoC features like core count,
> NPU availability, and CA55 PLL configuration.
>
> Key features:
> - Syscon support for both RZ/V2H and RZ/G3E system controllers
> - Detection of quad/dual core configuration
> - Detection of Ethos-U55 NPU presence
> - Validation of CA55 PLL frequency setting
> - SoC-specific extended identification through callbacks

Thanks for your series!

> This patch series depends upon [1] and [2].
>
> Tested:
> - Example of SoC detection:
> [    0.065608] renesas-rz-sysc 10430000.system-controller: Detected Renesas Quad Core RZ/G3E r9a09g047 Rev 0  with Ethos-U55
> - Example of PLL misconfiguration warning:
>  [    0.065616] renesas-rz-sysc 10430000.system-controller: CA55 PLL is not set to 1.7GHz
>
> [1] https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=914097
> [2] https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=912697

The latter points to an already-applied unrelated series.  I assume you
meant "[PATCH v2 00/15] Add initial USB support for the Renesas RZ/G3S
SoC"[3]?

[3] https://lore.kernel.org/all/20241126092050.1825607-1-claudiu.beznea.uj@bp.renesas.com/


Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds