lkml.org 
[lkml]   [2017]   [Jul]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 0/2] use correct values for startup time bits for AXP22X/AXP8XX PEKs
From
Date
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@vger.kernel.org/msg1428284.html

Quentin

> Thanks,
> Quentin
>
> 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(-)
>

--
Quentin Schulz, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

\
 
 \ /
  Last update: 2017-07-17 13:15    [W:0.074 / U:2.468 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site