This driver supports the following functions:
- reading and setting time
- alarms when connected to an IRQ
- reading and clearing the voltage low flags
Datasheet:
http://www.epsondevice.com/docs/qd/en/DownloadServlet?id=ID000956
Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
