linux-kernel - Re: [RFC PATCH 02/13] dt-bindings: Add trickle-charge upper limit

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Message-ID: <CACRpkdYZ_jdKZWEBbb5muJZkUfd=nh=j4ffQQEoDJuEjoGzLgw@mail.gmail.com>
Date: Mon, 13 Oct 2025 14:31:10 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Matti Vaittinen <mazziesaccount@...il.com>
Cc: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>, Lee Jones <lee@...nel.org>, 
	Pavel Machek <pavel@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Sebastian Reichel <sre@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
	Bartosz Golaszewski <brgl@...ev.pl>, Andreas Kemnade <andreas@...nade.info>, linux-leds@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-pm@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: Re: [RFC PATCH 02/13] dt-bindings: Add trickle-charge upper limit

On Tue, Oct 7, 2025 at 10:33 AM Matti Vaittinen
<mazziesaccount@...il.com> wrote:

> Some of the chargers for lithium-ion batteries use a trickle-charging as
> a first charging phase for very empty batteries, to "wake-up" the battery.
> Trickle-charging is a low current, constant current phase. After the
> voltage of the very empty battery has reached an upper limit for
> trickle charging, the pre-charge phase is started with a higher current.
>
> Allow defining the upper limit for trickle charging voltage, after which
> the charging should be changed to the pre-charging.
>
> Signed-off-by: Matti Vaittinen <mazziesaccount@...il.com>

This is good stuff.
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij