Re: [PATCH 0/2] use correct values for startup time bits for AXP22X/AXP8XX PEKs
From: Lee Jones
Date: Wed Jul 19 2017 - 03:46:36 EST
On Wed, 19 Jul 2017, Chen-Yu Tsai wrote:
> On Tue, Jul 18, 2017 at 5:53 PM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> > On Tue, 18 Jul 2017, Chen-Yu Tsai wrote:
> >
> >> On Tue, Jul 18, 2017 at 3:25 PM, Quentin Schulz
> >> <quentin.schulz@xxxxxxxxxxxxxxxxxx> wrote:
> >> > Hi Lee,
> >> >
> >> > On 18/07/2017 09:18, Lee Jones wrote:
> >> >> On Mon, 17 Jul 2017, Quentin Schulz wrote:
> >> >>
> >> >>> Hi all,
> >> >>>
> >> >>> On 17/07/2017 11:53, Quentin Schulz wrote:
> >> >>>> According to their datasheets, the AXP221, AXP223, AXP288, AXP803,
> >> >>>> AXP809 and AXP813 PEK have different values for startup time bits from
> >> >>>> the AXP20X PEK (which are currently used for all the aforementioned PMICs).
> >> >>>>
> >> >>>> This patch series adds support for platform_device_id to axp20x-pek driver
> >> >>>> to support different startup time bits depending on PMIC's variant and set
> >> >>>> the correct platform_device_id in the mfd.
> >> >>>>
> >> >>>> This has been tested on AXP813. To perform the test, modify the value of
> >> >>>> startup and/or shutdown of the pek in sysfs. Press the button soldered to
> >> >>>> PEK input of the AXP the amount of time you set in sysfs. The PMIC shuts
> >> >>>> down the board without needing to unplug any power supply. Press PEK button
> >> >>>> the amount of time you set in sysfs for startup and the PMIC will start the
> >> >>>> board. Note that the time bits are obivoulsy hardware reset to their
> >> >>>> default when you unplug all power supplies from the board.
> >> >>>>
> >> >>>
> >> >>> I forgot to add that it depends on this patch series (particularly the
> >> >>> third patch (3/6) "mfd: axp20x: Add support for AXP813 PMIC") from
> >> >>> Chen-Yu:
> >> >>> https://www.mail-archive.com/linux-kernel@xxxxxxxxxxxxxxx/msg1428284.html
> >> >>
> >> >> So you are going to re-send?
> >> >>
> >> >
> >> > You put your acked-by just yesterday on this patch. Do I need to resend
> >> > it anyway?
> >> >
> >> > The link I provided seems to be really slow/not working today, so I give
> >> > you another one for reference: https://patchwork.kernel.org/patch/9803439/
> >>
> >> Or rather, would you like me to merge the AXP813 changes into my next
> >> version, and you resend the rest for faster separate inclusion?
> >
> > What I'd really like is for one of you to collect up the patches which
> > depend on each other (in the correct order of course), along with the
> > Acks you've obtained and send as a single set. That way, I am less
> > likely to mess up the ordering when applying.
>
> I'll include the mfd patch in my axp813 series.
Wonderful, thank you!
> Quentin, please send only the input driver for v2.
>
> ChenYu
>
> >
> >> >>>> Quentin Schulz (2):
> >> >>>> Input: axp20x-pek: add support for AXP221 PEK
> >> >>>> mfd: axp20x: use correct platform device id for many PEK
> >> >>>>
> >> >>>> drivers/input/misc/axp20x-pek.c | 62 ++++++++++++++++++++++++++++++++++-------
> >> >>>> drivers/mfd/axp20x.c | 12 ++++----
> >> >>>> 2 files changed, 58 insertions(+), 16 deletions(-)
> >> >>>>
> >> >>>
> >> >>
> >> >
> >
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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