Re: [PATCH 1/8] regulator: bd71837: Disable voltage monitoring for LDO3/4
From: Matti Vaittinen
Date: Wed Sep 12 2018 - 03:47:52 EST
On Tue, Sep 11, 2018 at 01:40:29PM +0100, Lee Jones wrote:
> On Wed, 29 Aug 2018, Matti Vaittinen wrote:
> > There is a HW quirk in BD71837. The shutdown sequence timings for
> > bucks/LDOs which are enabled via register interface are changed.
> > At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the
> > beginning of shut-down sequence. This causes LDO5/6 voltage
> > monitoring to detect under voltage and force PMIC to emergency
> > state instead of poweroff. Disable voltage monitoring for LDO5 and
> > LDO6 at probe to avoid this.
> > Signed-off-by: Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx>
> > ---
> > drivers/regulator/bd71837-regulator.c | 19 +++++++++++++++++++
> > include/linux/mfd/rohm-bd718x7.h | 33 ++++++++++++++++++++++++++++++---
> For my own reference:
> Acked-for-MFD-by: Lee Jones <lee.jones@xxxxxxxxxx>
I m not sure if it is relevant but I think this was already applied to
Mark's regulator tree.