linux-kernel - Re: [PATCH V3 5/5] input: pxa27x-keypad: add device tree support

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Message-ID: <CADApbeiQWOi8SYEFf0bOsf1yn+TgXhwgDWaWFpGk7+nbC9bNDg@mail.gmail.com>
Date:	Wed, 19 Jun 2013 16:38:38 +0800
From:	Chao Xie <xiechao.mail@...il.com>
To:	Marek Vasut <marex@...x.de>
Cc:	Chao Xie <chao.xie@...vell.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Arnd Bergmann <arnd@...db.de>,
	Eric Miao <eric.y.miao@...il.com>,
	Haojian Zhuang <haojian.zhuang@...il.com>, drwyrm@...il.com,
	stefan@...nezx.org, laforge@...nezx.org,
	Robert Jarzmik <robert.jarzmik@...e.fr>, sleep_walker@...e.cz,
	slapin@...fans.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-input@...r.kernel.org
Subject: Re: [PATCH V3 5/5] input: pxa27x-keypad: add device tree support

On Wed, Jun 19, 2013 at 4:22 PM, Marek Vasut <marex@...x.de> wrote:
> Dear Chao Xie,
>
>> Signed-off-by: Chao Xie <chao.xie@...vell.com>
>> ---
>>  .../devicetree/bindings/input/pxa27x-keypad.txt    |   60 +++++
>>  drivers/input/keyboard/pxa27x_keypad.c             |  232
>> +++++++++++++++++++- 2 files changed, 288 insertions(+), 4 deletions(-)
>>  create mode 100644
>> Documentation/devicetree/bindings/input/pxa27x-keypad.txt
>>
>> diff --git a/Documentation/devicetree/bindings/input/pxa27x-keypad.txt
>> b/Documentation/devicetree/bindings/input/pxa27x-keypad.txt new file mode
>> 100644
>> index 0000000..f8674f7
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/input/pxa27x-keypad.txt
>> @@ -0,0 +1,60 @@
>> +* Marvell PXA Keypad controller
>> +
>> +Required Properties
>> +- compatible : should be "marvell,pxa27x-keypad"
>> +- reg : Address and length of the register set for the device
>> +- interrupts : The interrupt for the keypad controller
>> +- marvell,debounce-interval : How long time the key will be
>
> Is there no generic prop name for this debounce interval?
>
I searched at drivers/input and Documents.
Two drivers use "debounce-interval", gpio-keys.c and stmpe-keypad.c.
They describe the meanings of "debounce-interval" at its own document file.
Some other drivers uses "xxx,debounce-delay-ms" or "debounce-delay-ms"
So it seems that there is no generic prop name for this debounce interval.

> Best regards,
> Marek Vasut
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