On 7/2/2013 11:34 AM, Hebbar, Gururaja wrote:
> On Tue, Jul 02, 2013 at 11:32:34, Nori, Sekhar wrote:
>> On 6/28/2013 3:05 PM, Hebbar Gururaja wrote:
>>> On some platforms (like AM33xx), a special register (RTC_IRQWAKEEN)
>>> is available to enable Alarm Wakeup feature. This register needs to be
>>> properly handled for the rtcwake to work properly.
>>>
>>> Platforms using such IP should set "ti,am3352-rtc" in rtc device dt
>>> compatibility node.
>>>
>>> Signed-off-by: Hebbar Gururaja <gururaja.hebbar@xxxxxx>
>>> Cc: Grant Likely <grant.likely@xxxxxxxxxx>
>>> Cc: Rob Herring <rob.herring@xxxxxxxxxxx>
>>> Cc: Rob Landley <rob@xxxxxxxxxxx>
>>> Cc: Sekhar Nori <nsekhar@xxxxxx>
>>> Cc: Kevin Hilman <khilman@xxxxxxxxxx>
>>> Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
>>> Cc: rtc-linux@xxxxxxxxxxxxxxxx
>>> Cc: devicetree-discuss@xxxxxxxxxxxxxxxx
>>> Cc: linux-doc@xxxxxxxxxxxxxxx
>>> ---
>>
>> [...]
>>
>>> -#define OMAP_RTC_DATA_DA830_IDX 1
>>> +#define OMAP_RTC_DATA_DA830_IDX 1
>>> +#define OMAP_RTC_DATA_AM335X_IDX 2
>>>
>>> static struct platform_device_id omap_rtc_devtype[] = {
>>> {
>>> @@ -309,6 +321,9 @@ static struct platform_device_id omap_rtc_devtype[] = {
>>> }, {
>>> .name = "da830-rtc",
>>> .driver_data = OMAP_RTC_HAS_KICKER,
>>> + }, {
>>> + .name = "am335x-rtc",
>>
>> may be use am3352-rtc here just to keep the platform device name and of
>> compatible in sync.
>
> Correct. I will update the same in v2.
>
>>
>>> + .driver_data = OMAP_RTC_HAS_KICKER | OMAP_RTC_HAS_IRQWAKEEN,
>>> },
>>> {},
>>
>> It is better to use the index defined above in the static initialization
>> so they remain in sync.
>
> Sorry. I didn’t get this.
>
See example below I provided. If its still not clear, let me know what
is not clear.
>> ...
>> [OMAP_RTC_DATA_DA830_IDX] = {
>> .name = "da830-rtc",
>> .driver_data = OMAP_RTC_HAS_KICKER,
>> },
Thanks,
Sekhar
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