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-rw-r--r--drivers/rtc/Kconfig18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 875ff5e5792a..9e249650baf0 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -86,6 +86,24 @@ config RTC_DRV_X1205
86 This driver can also be built as a module. If so, the module 86 This driver can also be built as a module. If so, the module
87 will be called rtc-x1205. 87 will be called rtc-x1205.
88 88
89config RTC_DRV_DS1307
90 tristate "Dallas/Maxim DS1307 and similar I2C RTC chips"
91 depends on RTC_CLASS && I2C
92 help
93 If you say yes here you get support for various compatible RTC
94 chips (often with battery backup) connected with I2C. This driver
95 should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
96 and probably other chips. In some cases the RTC must already
97 have been initialized (by manufacturing or a bootloader).
98
99 The first seven registers on these chips hold an RTC, and other
100 registers may add features such as NVRAM, a trickle charger for
101 the RTC/NVRAM backup power, and alarms. This driver may not
102 expose all those available chip features.
103
104 This driver can also be built as a module. If so, the module
105 will be called rtc-ds1307.
106
89config RTC_DRV_DS1672 107config RTC_DRV_DS1672
90 tristate "Dallas/Maxim DS1672" 108 tristate "Dallas/Maxim DS1672"
91 depends on RTC_CLASS && I2C 109 depends on RTC_CLASS && I2C