Subject: [PATCH v3 1/2] watchdog: at91sam9_wdt: add device tree support

From: [email-masked] (Nicolas Ferre)
Date: Tue, 25 Sep 2012 12:00:30 +0200

On 09/25/2012 11:45 AM, Fabio Porcedda :
> On Tue, Sep 25, 2012 at 10:10 AM, Jean-Christophe PLAGNIOL-VILLARD
> <[email-masked]> wrote:
>> On 09:28 Tue 25 Sep     , Fabio Porcedda wrote:
>>> Tested on an at91sam9260 board (evk-pro3)
>>>
>>> Signed-off-by: Fabio Porcedda <[email-masked]>
>>> ---
>>>  .../devicetree/bindings/watchdog/atmel-wdt.txt      | 19 +++++++++++++++++++
>>>  drivers/watchdog/at91sam9_wdt.c                     | 21 +++++++++++++++++++++
>>>  2 files changed, 40 insertions(+)
>>>  create mode 100644 Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
>>>
>>> diff --git a/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt b/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
>>> new file mode 100644
>>> index 0000000..724fad1
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt
>>> @@ -0,0 +1,19 @@
>>> +* Atmel Watchdog Timers
>>> +
>>> +** at91sam9-wdt
>>> +
>>> +Required properties:
>>> +- compatible: must be "atmel,at91sam9-wdt".
>>> +- reg: physical base address of the controller and length of memory mapped
>>> +  region.
>>> +
>>> +Optional properties:
>>> +- heartbeat: contains the watchdog heartbeats in seconds.
>>> +
>>> +Example:
>>> +
>>> +     watchdog at fffffd40 {
>>> +             compatible = "atmel,at91sam9-wdt";
>> for the secind time atmel,at91sam9260-watchdog
> 
> Ok, i will fix this.
> 
>> you need to put the first soc that use it in the compatible
>>> +             reg = <0xfffffd40 0x10>;
>>> +             heartbeat = <10>;
>> need put second in the property name so need to read the doc
> 
> I didn't found any example about a property with "second" in the name.
> Which It's best "heartbeat-seconds", "heartbeat-sec" or "heartbeat-s" ?

I think that, as it is indicated in the documentation, we should not
worry too much about that... but "heartbeat" and "heartbeat-s" is ok
with me.

Maybe people @ devicetree-discuss have an advice for this?

Bye,
-- 
Nicolas Ferre