linux-kernel - Re: [PATCH 1/4] arm64: dts: rockchip: list all CPU supplies on ArmSoM Sige5

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Message-ID: <CABjd4YzyGx60AeyxL049UrEFkhN_03+wHo64DLL778FimDvGeg@mail.gmail.com>
Date: Thu, 5 Jun 2025 15:23:16 +0400
From: Alexey Charkov <alchark@...il.com>
To: Diederik de Haas <didi.debian@...ow.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] arm64: dts: rockchip: list all CPU supplies on ArmSoM Sige5

On Thu, Jun 5, 2025 at 3:18 PM Diederik de Haas <didi.debian@...ow.org> wrote:
>
> On Tue Jun 3, 2025 at 7:01 PM CEST, Alexey Charkov wrote:
> > List both CPU supply regulators which drive the little and big CPU
> > clusters, respectively, so that cpufreq can pick them up.
> >
> > Signed-off-by: Alexey Charkov <alchark@...il.com>
> > ---
> >  .../boot/dts/rockchip/rk3576-armsom-sige5.dts      | 28 ++++++++++++++++++++++
> >  1 file changed, 28 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts
> > index b09e789c75c47fec7cf7e9810ab0dcca32d9404a..d9c129be55a0d997e04e6d677cdc98fb50353418 100644
> > --- a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts
> > +++ b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts
> > @@ -207,6 +207,22 @@ vcc_3v3_ufs_s0: regulator-vcc-ufs-s0 {
> >       };
> >  };
> >
> > +&cpu_b0 {
> > +     cpu-supply = <&vdd_cpu_big_s0>;
> > +};
> > +
> > +&cpu_b1 {
> > +     cpu-supply = <&vdd_cpu_big_s0>;
> > +};
> > +
> > +&cpu_b2 {
> > +     cpu-supply = <&vdd_cpu_big_s0>;
> > +};
> > +
> > +&cpu_b3 {
> > +     cpu-supply = <&vdd_cpu_big_s0>;
> > +};
> > +
> >  &combphy0_ps {
> >       status = "okay";
> >  };
>
> The &cpu_bN nodes should come after the &combphy0_ps node.

True, thanks for spotting it. Don't know why they ended up separated
from &cpu_l*

Best regards,
Alexey