linux-kernel - Re: [PATCH v5 0/2] Add notifier for PLL0 clock and set it 1.5GHz on

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Message-ID: <CAEn-LTrKn079kbs2Wx5AuTs5+_sB4zaJsTf=MKn_nZZL04E5gA@mail.gmail.com>
Date: Tue, 4 Jun 2024 12:45:48 +0300
From: David Abdurachmanov <david.abdurachmanov@...il.com>
To: Conor Dooley <conor@...nel.org>
Cc: Xingyu Wu <xingyu.wu@...rfivetech.com>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, 
	Emil Renner Berthing <emil.renner.berthing@...onical.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
	Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, Hal Feng <hal.feng@...rfivetech.com>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>, 
	"linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>, 
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH v5 0/2] Add notifier for PLL0 clock and set it 1.5GHz on

On Wed, May 15, 2024 at 7:31 PM Conor Dooley <conor@...nel.org> wrote:
>
> On Wed, May 15, 2024 at 02:23:47AM +0000, Xingyu Wu wrote:
> > On 15/05/2024 02:08, Conor Dooley wrote:
>
> > > There's a push in U-Boot to move devicestrees to use "OF_UPSTREAM", which
> > > means importing devicetrees directly from Linux and using them in U-Boot. I
> > > don't really want to merge a patch that would present U-Boot with a problem if
> > > the VisionFive 2 moved to that model there.
>
> > Would it be better  if I  change the rates of PLL0 and CPU core in the driver not dts,
> > and avoid the dts of Linux and U-Boot being different?
>
> I'd definitely prefer if we don't include stuff in the kernel tree that
> would cause problems for U-Boot if imported there, yeah.
>

What is the current state of this patchset?

I noticed this patchset on the U-Boot side from Hal Feng:
[PATCH v1 0/4] Sync StarFive JH7110 clock and reset dt-bindings with Linux

It seems to indicate that there is WIP for OF_UPSTREAM support.

Cheers,
david