linux-kernel - Re: [PATCH 0/4] regulator: spacemit-p1: Fix voltage ranges and support board power tree

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Message-ID: <20260122220918-GYA69249@gentoo.org>
Date: Fri, 23 Jan 2026 06:09:18 +0800
From: Yixun Lan <dlan@...too.org>
To: Guodong Xu <guodong@...cstar.com>
Cc: Mark Brown <broonie@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
	Alex Elder <elder@...cstar.com>, Lee Jones <lee@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Troy Mitchell <troy.mitchell@...ux.spacemit.com>,
	Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>,
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
	spacemit@...ts.linux.dev, devicetree@...r.kernel.org
Subject: Re: [PATCH 0/4] regulator: spacemit-p1: Fix voltage ranges and
 support board power tree

Hi Guodong,

On 22:55 Thu 22 Jan     , Guodong Xu wrote:
> On Thu, Jan 22, 2026 at 8:12 PM Yixun Lan <dlan@...too.org> wrote:
> >
> > Hi Mark,
> >
> > On 11:27 Thu 22 Jan     , Mark Brown wrote:
> > > On Thu, Jan 22, 2026 at 06:11:22PM +0800, Yixun Lan wrote:
> > > > On 17:43 Thu 22 Jan     , Guodong Xu wrote:
> > >
> > > > > Patch 1, n_voltages is corrected to match hardware register widths, as the
> > > > > previous values prevented regulators from reaching higher operational
> > > > > voltages (e.g., 3.3V on LDOs).
> > >
> > > > This patch bring system-wide change that not only affect Bananapi F3..
> > >
> > > > Please also provide fix for other boards, I think you may not be able
> > > > to test all boards, but make sure the patches are available, so people
> > > > who interested can test, P.S I can help on milkv jupiter board
> > >
> > > Patch 1 looks like it should be OK as is?
> > then with patch 3, and for other boards (milkv jupiter), should have similar
> > DT fix as patch 4..
> 
> There is no "spacemit,p1" node in other k1 boards (milkv jupiter).
> 
yes, there is one which accepted during this merge window, and will show up
in v6.20, please check spacemit tree [1] or [2]

Link: https://github.com/spacemit-com/linux/tree/k1/dt-for-next [1]
Link: https://lore.kernel.org/r/176618016976.76638.11221127377007758575.b4-ty@gentoo.org [2]

-- 
Yixun Lan (dlan)