linux-kernel - Re: [PATCH v3 1/3] devicetree: bindings: bd718x7: document HW state related ROHM specific properties

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Date:   Thu, 21 Mar 2019 12:50:30 +0000
From:   "Vaittinen, Matti" <Matti.Vaittinen@...rohmeurope.com>
To:     "lee.jones@...aro.org" <lee.jones@...aro.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "elven.wang@....com" <elven.wang@....com>,
        "mazziesaccount@...il.com" <mazziesaccount@...il.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "Mutanen, Mikko" <Mikko.Mutanen@...rohmeurope.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "angus.ainslie@...i.sm" <angus.ainslie@...i.sm>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "anson.huang@....com" <anson.huang@....com>,
        "matt.vaittinen@...rohmeurope.com" <matt.vaittinen@...rohmeurope.com>,
        "yibin.gong@....com" <yibin.gong@....com>,
        "Haikola, Heikki" <Heikki.Haikola@...rohmeurope.com>
Subject: Re: [PATCH v3 1/3] devicetree: bindings: bd718x7: document HW state
 related ROHM specific properties

On Thu, 2019-03-21 at 08:23 +0000, Lee Jones wrote:
> 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?
> 


https://lore.kernel.org/lkml/20190214160025.65B8E1126F78@debutante.sirena.org.uk/

Maybe that's what you're looking for?

Br,
	Matti Vaittinen