Re: [PATCH v3 1/3] devicetree: bindings: bd718x7: document HW state related ROHM specific properties
From: Matti Vaittinen
Date: Wed Mar 20 2019 - 10:17:15 EST
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:
Does it go in via his tree or do we need to apply it in Lee's tree too?
> Lee Jones [æçæ]
> Linaro Services Technical Lead
> Linaro.org â Open source software for ARM SoCs
> Follow Linaro: Facebook | Twitter | Blog
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~