Intersil ISL12057 is an I2C RTC chip also supporting two alarms. This
patch only adds support for basic RTC functionalities (i.e. getting
and setting time). Tests have been performed on NETGEAR ReadyNAS 102
w/ startup/shutdown scripts, hwclock, ntpdate and openntpd.
Reviewed-by: NMark Brown <broonie@linaro.org>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NArnaud Ebalard <arno@natisbad.org>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>