Re: [PATCH v3 1/3] devicetree: bindings: bd718x7: document HW state related ROHM specific properties
From: Vaittinen, Matti
Date: Thu Mar 21 2019 - 09:05:37 EST
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@xxxxxxxxxxxxxxxxx>
> > > > ---
> > > > .../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@xxxxxxxxxxxxxxxxxxxxxxx/
Maybe that's what you're looking for?
Br,
Matti Vaittinen