linux-kernel - Re: [RFC PATCH 2/2] arm64: dts: renesas: ulcb-kf: adapt sound 5v regulator to schematics

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Message-ID: <CAMuHMdUkBMZkQuJ-+echU2JFKQ-KxQH6R-GUUokd_tz72TsWSw@mail.gmail.com>
Date: Mon, 12 Feb 2024 14:37:31 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc: linux-renesas-soc@...r.kernel.org, Magnus Damm <magnus.damm@...il.com>, 
	Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 2/2] arm64: dts: renesas: ulcb-kf: adapt sound 5v
 regulator to schematics

Hi Wolfram,

Thanks for your patch!

On Mon, Jan 29, 2024 at 10:23 PM Wolfram Sang
<wsa+renesas@...g-engineering.com> wrote:
> Sound uses the standard 5V supply, so rename the fixed regulator as
> such. Also add properties dcoumenting it is always on, also during boot.

documenting

> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> ---
>
> Or shall we move the regulator to ulcb.dtsi? I tend to leave it here
> because 5V are not used on ULCB, but I am open to change it.

I think it's fine to keep it here, as the regulator (U59) that generates
5V from 12V is present on the Kingfisher board.  However, according
to the schematics, 5V is generated by the PMIC on the ULCB too, and
both 5V nets are connected through the board-to-board connectors?

Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
i.e. will queue in renesas-devel for v6.9.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68korg

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