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Message-ID: <20190321082338.GT4731@dell>
Date: Thu, 21 Mar 2019 08:23:38 +0000
From: Lee Jones <lee.jones@...aro.org>
To: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
Cc: mazzisaccount@...il.com, Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, heikki.haikola@...rohmeurope.com,
mikko.mutanen@...rohmeurope.com, Robin Gong <yibin.gong@....com>,
Elven Wang <elven.wang@....com>,
Anson Huang <anson.huang@....com>,
Angus Ainslie <angus.ainslie@...i.sm>
Subject: Re: [PATCH v3 1/3] devicetree: bindings: bd718x7: document HW state
related ROHM specific properties
On Wed, 20 Mar 2019, Matti Vaittinen wrote:
> Hello Lee, All
>
> On Wed, Mar 20, 2019 at 01:02:59PM +0000, Lee Jones wrote:
> > On Thu, 14 Feb 2019, Matti Vaittinen wrote:
> >
> > > Add ROHM BD71837 / BD71847 specific device tree bindings for
> > > controlling the PMIC shutdown/reset states and voltages for
> > > different HW states. The PMIC was designed to be used with NXP
> > > i.MX8 SoC and it supports SNVS low power state which seems to
> > > be typical for NXP i.MX SoCs. However, when SNVS is used we must
> > > not allow SW to control enabling/disabling those regulators which
> > > are crucial for system to boot as there is a HW limitation which
> > > causes SW controlled regulators to be kept shut down after SNVS
> > > reset.
> > >
> > > Allow setting the SNVS to be used as reset target state and allow
> > > marking those regulators which are critical for boot.
> > >
> > > Signed-off-by: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
> > > ---
> > > .../devicetree/bindings/mfd/rohm,bd71837-pmic.txt | 17 ++++++++++
> > > .../bindings/regulator/rohm,bd71837-regulator.txt | 38 ++++++++++++++++++++++
> > > 2 files changed, 55 insertions(+)
> >
> > Needs a DT Ack.
>
> I think this was already applied to regulator tree by Mark:
> https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git/commit/?h=for-next&id=f43d1b388f9be4aa47ed42c33659243a675c5c76
> Does it go in via his tree or do we need to apply it in Lee's tree too?
Why don't I see an email from Mark?
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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