help
The RTC device that will be used to (re)initialize the system
clock, usually rtc0. Initialization is done when the system
- starts up, and when it resumes from a low power state.
+ starts up, and when it resumes from a low power state. This
+ device should record time in UTC, since the kernel won't do
+ timezone correction.
The driver for this RTC device must be loaded before late_initcall
functions run, so it must usually be statically linked.
The first seven registers on these chips hold an RTC, and other
registers may add features such as NVRAM, a trickle charger for
- the RTC/NVRAM backup power, and alarms. This driver may not
- expose all those available chip features.
+ the RTC/NVRAM backup power, and alarms. NVRAM is visible in
+ sysfs, but other chip features may not be available.
This driver can also be built as a module. If so, the module
will be called rtc-ds1307.
config RTC_DRV_BFIN
tristate "Blackfin On-Chip RTC"
- depends on BFIN
+ depends on BLACKFIN
help
If you say yes here you will get support for the
Blackfin On-Chip Real Time Clock.