mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: "Rob Herring (Arm)" <robh@kernel.org>
To: Qianhui Xu <xiaqinghuan@mail.ustc.edu.cn>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>,
	linux-arm-msm@vger.kernel.org, Mark Brown <broonie@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	linux-kernel@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v10 1/2] regulator: dt-bindings: willsemi,wl2868c: add the WL2868C camera PMIC
Date: Wed, 11 Nov 2026 09:50:24 -0600	[thread overview]
Message-ID: <179441222370.2975760.8038836403367934702.robh@kernel.org> (raw)
In-Reply-To: <20261111111132.1296892-2-xiaqinghuan@mail.ustc.edu.cn>


On Wed, 11 Nov 2026 19:11:31 +0800, Qianhui Xu wrote:
> The WL2868C is an I2C-controlled camera power management IC from Will
> Semiconductor. It provides seven programmable LDOs: LDO1 and LDO2 are fed
> from a shared VIN12 input and cover 0.496 V to 1.512 V, LDO3 and LDO4 share
> VIN34, and LDO5 to LDO7 each have their own input, covering 1.504 V to
> 3.544 V. All outputs are programmable in 8 mV steps and are gated by
> per-output enable bits with a chip-wide SYS_EN master. The chip also
> exposes an optional active-low RST_N input.
> 
> VIN7 and VSYS are both inputs of the internal control logic, which is
> powered from the higher of the two voltages, so a device tree has to
> describe at least one of them. The remaining inputs only feed LDOs, so
> they stay optional: an input can be left unconnected when the outputs it
> feeds are unused on a given board.
> 
> The example enables ldo1, which is fed from VIN12, so it also describes
> vin12-supply; the binding says an input may only be left out when the
> outputs it feeds are unused on a given board.
> 
> Signed-off-by: Qianhui Xu <xiaqinghuan@mail.ustc.edu.cn>
> ---
>  .../bindings/regulator/willsemi,wl2868c.yaml  | 99 +++++++++++++++++++
>  MAINTAINERS                                   |  6 ++
>  2 files changed, 105 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/willsemi,wl2868c.yaml
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>


  reply	other threads:[~2026-11-11 15:50 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-11 11:11 [PATCH v10 0/2] regulator: add the Will Semiconductor " Qianhui Xu
2026-11-11 11:11 ` [PATCH v10 1/2] regulator: dt-bindings: willsemi,wl2868c: add the " Qianhui Xu
2026-11-11 15:50   ` Rob Herring (Arm) [this message]
2026-11-11 11:11 ` [PATCH v10 2/2] regulator: willsemi,wl2868c: add the WL2868C camera PMIC driver Qianhui Xu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=179441222370.2975760.8038836403367934702.robh@kernel.org \
    --to=robh@kernel.org \
    --cc=broonie@kernel.org \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=krzk+dt@kernel.org \
    --cc=lgirdwood@gmail.com \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=xiaqinghuan@mail.ustc.edu.cn \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®