linux-kernel - Re: [PATCH 0/2] use correct values for startup time bits for AXP22X/AXP8XX PEKs

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Date:   Tue, 18 Jul 2017 15:40:27 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Quentin Schulz <quentin.schulz@...e-electrons.com>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Hans de Goede <hdegoede@...hat.com>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: Re: [PATCH 0/2] use correct values for startup time bits for
 AXP22X/AXP8XX PEKs

On Tue, Jul 18, 2017 at 3:25 PM, Quentin Schulz
<quentin.schulz@...e-electrons.com> 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@vger.kernel.org/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?

ChenYu

> 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