Alec Berg 2be0577fe0 stm32f0: add RTC alarm functionality
Implement RTC alarm, with resolution 50us, for stm32f0. This
is useful for using low power modes and waking up after set
period of time.

BUG=chrome-os-partner:31226, chrome-os-partner:28335
BRANCH=none
TEST=tested on samus_pd with CONFIG_CMD_RTC_ALARM defined and
used rtc_alarm console command to test various timeout periods.

Change-Id: Ibabd8662cfbea654c7de387669f7be83af4fd79d
Signed-off-by: Alec Berg <alecaberg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/218322
Reviewed-by: Todd Broch <tbroch@chromium.org>
2014-09-19 19:46:43 +00:00
2014-09-19 19:46:43 +00:00
2014-09-19 03:00:59 +00:00
2014-09-13 02:19:30 +00:00
2014-03-31 22:45:09 +00:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2014-05-15 05:20:14 +00:00

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit
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