From: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
To: Lee Jones <lee.jones@linaro.org>
Cc: robh+dt@kernel.org, mark.rutland@arm.com, lgirdwood@gmail.com,
broonie@kernel.org, mazziesaccount@gmail.com,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
heikki.haikola@fi.rohmeurope.com,
mikko.mutanen@fi.rohmeurope.com
Subject: Re: [PATCH 1/8] regulator: bd71837: Disable voltage monitoring for LDO3/4
Date: Wed, 12 Sep 2018 10:47:45 +0300 [thread overview]
Message-ID: <20180912074745.GD2381@localhost.localdomain> (raw)
In-Reply-To: <20180911124029.GO4185@dell>
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@fi.rohmeurope.com>
> > ---
> > 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@linaro.org>
I m not sure if it is relevant but I think this was already applied to
Mark's regulator tree.
Br,
Matti Vaittinen
next prev parent reply other threads:[~2018-09-12 7:47 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-29 12:35 [PATCH 0/8] regulator/mfd/dt_bindings: bd718x7: Support ROHM bd71847 Matti Vaittinen
2018-08-29 12:36 ` [PATCH 1/8] regulator: bd71837: Disable voltage monitoring for LDO3/4 Matti Vaittinen
2018-09-11 12:40 ` Lee Jones
2018-09-12 7:47 ` Matti Vaittinen [this message]
2018-09-12 8:42 ` Lee Jones
2018-09-12 8:53 ` Matti Vaittinen
2018-09-12 10:23 ` Mark Brown
2018-09-12 10:44 ` Lee Jones
2018-08-29 12:36 ` [PATCH 2/8] regulator: Support ROHM BD71847 power management IC Matti Vaittinen
2018-09-11 13:48 ` Lee Jones
2018-09-12 6:37 ` Matti Vaittinen
2018-08-29 12:37 ` [PATCH 3/8] regulator: dt bindings: add BD71847 device-tree binding documentation Matti Vaittinen
2018-08-29 12:37 ` [PATCH 4/8] mfd: " Matti Vaittinen
2018-09-11 13:49 ` Lee Jones
2018-09-12 7:43 ` Matti Vaittinen
2018-08-29 12:38 ` [PATCH 5/8] regulator: Support regulators where voltage ranges are selectable Matti Vaittinen
2018-08-29 12:38 ` [PATCH 6/8] regulator/mfd: bd718xx: rename bd71837/bd71847 common instances Matti Vaittinen
2018-09-11 13:51 ` Lee Jones
2018-08-29 12:39 ` [PATCH 7/8] regulator: bd718XX use pickable ranges Matti Vaittinen
2018-09-11 13:55 ` Lee Jones
2018-09-12 7:41 ` Matti Vaittinen
2018-08-29 12:39 ` [PATCH 8/8] regulator: bd718xx: renme bd71837 to 718xx Matti Vaittinen
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