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x86, olpc: Add XO-1 RTC driver

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Add a driver to configure the XO-1 RTC via CS5536 MSRs, to be used as a
system wakeup source via olpc-xo1-pm.

Device detection is based on finding the relevant device tree node.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Link: http://lkml.kernel.org/r/1309019658-1712-11-git-send-email-dsd@laptop.org
Acked-by: Andres Salomon <dilinger@queued.net>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Daniel Drake
2011-06-25 17:34:17 +01:00
committed by H. Peter Anvin
parent e1040ac693
commit cfee95977b
5 changed files with 99 additions and 0 deletions
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5
Documentation/devicetree/bindings/rtc/olpc-xo1-rtc.txt Normal file
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@@ -0,0 +1,5 @@
OLPC XO-1 RTC
~~~~~~~~~~~~~
Required properties:
- compatible : "olpc,xo1-rtc"