diff options
Diffstat (limited to 'drivers/rtc/Kconfig')
| -rw-r--r-- | drivers/rtc/Kconfig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 875ff5e5792ae8..9e249650baf0b6 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -86,6 +86,24 @@ config RTC_DRV_X1205 This driver can also be built as a module. If so, the module will be called rtc-x1205. +config RTC_DRV_DS1307 + tristate "Dallas/Maxim DS1307 and similar I2C RTC chips" + depends on RTC_CLASS && I2C + help + If you say yes here you get support for various compatible RTC + chips (often with battery backup) connected with I2C. This driver + should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00, + and probably other chips. In some cases the RTC must already + have been initialized (by manufacturing or a bootloader). + + 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. + + This driver can also be built as a module. If so, the module + will be called rtc-ds1307. + config RTC_DRV_DS1672 tristate "Dallas/Maxim DS1672" depends on RTC_CLASS && I2C |