diff options
Diffstat (limited to 'drivers/rtc/Kconfig')
-rw-r--r-- | drivers/rtc/Kconfig | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index ff9e35cb308..e5cdc0294aa 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -36,7 +36,9 @@ config RTC_HCTOSYS_DEVICE 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. @@ -133,12 +135,23 @@ config RTC_DRV_DS1307 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_DS1374 + tristate "Maxim/Dallas Semiconductor DS1374 Real Time Clock" + depends on RTC_CLASS && I2C + help + If you say yes here you get support for Dallas Semiconductor + DS1374 real-time clock chips. If an interrupt is associated + with the device, the alarm functionality is supported. + + This driver can also be built as a module. If so, the module + will be called rtc-ds1374. + config RTC_DRV_DS1672 tristate "Dallas/Maxim DS1672" help @@ -229,7 +242,7 @@ config RTC_DRV_TWL92330 depends on MENELAUS help If you say yes here you get support for the RTC on the - TWL92330 "Menelaus" power mangement chip, used with OMAP2 + TWL92330 "Menelaus" power management chip, used with OMAP2 platforms. The support is integrated with the rest of the Menelaus driver; it's not separate module. |