linux-kernel - RE: [PATCH 2/2] rtc: omap: add rtc wakeup support to alarm events

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Date:	Tue, 4 Jun 2013 09:39:27 +0000
From:	"Hebbar, Gururaja" <gururaja.hebbar@...com>
To:	Kevin Hilman <khilman@...aro.org>
CC:	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"zonque@...il.com" <zonque@...il.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	"rob@...dley.net" <rob@...dley.net>,
	"a.zummo@...ertech.it" <a.zummo@...ertech.it>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"rtc-linux@...glegroups.com" <rtc-linux@...glegroups.com>,
	"davinci-linux-open-source@...ux.davincidsp.com" 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	"Bedia, Vaibhav" <vaibhav.bedia@...com>,
	"Rajashekhara, Sudhakar" <sudhakar.raj@...com>
Subject: RE: [PATCH 2/2] rtc: omap: add rtc wakeup support to alarm events

On Fri, May 31, 2013 at 23:11:22, Kevin Hilman wrote:
> Hebbar Gururaja <gururaja.hebbar@...com> writes:
> 
> > On some platforms (like AM33xx), a special register (RTC_IRQWAKEEN)
> > is available to enable Wakeup feature for Alarm Events.
> >
> > Since new platforms/Boards are now added through DT only, this feature
> > is supported via DT property only.
> 
> > Platforms using such IP should add the property "ti,has_irq_wake_enb"
> > in rtc DT node.
> 
> This is a property of the IP, not the board.  

Correct.

> Can't you detect this
> based on the revision of the IP?

Will check this and return.

> 
> Kevin
> 


Regards, 
Gururaja
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