diff options
Diffstat (limited to 'drivers/rtc/Kconfig')
| -rw-r--r-- | drivers/rtc/Kconfig | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index d1e080701264..e859d148aba9 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -208,14 +208,14 @@ config RTC_DRV_AS3722 will be called rtc-as3722. config RTC_DRV_DS1307 - tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025" + tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00, EPSON RX-8025, ISL12057" 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, - EPSON RX-8025 and probably other chips. In some cases the RTC - must already have been initialized (by manufacturing or a - bootloader). + EPSON RX-8025, Intersil ISL12057 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 @@ -234,6 +234,20 @@ config RTC_DRV_DS1307_HWMON Say Y here if you want to expose temperature sensor data on rtc-ds1307 (only DS3231) +config RTC_DRV_DS1307_CENTURY + bool "Century bit support for rtc-ds1307" + depends on RTC_DRV_DS1307 + default n + help + The DS1307 driver suffered from a bug where it was enabling the + century bit inconditionnally but never used it when reading the time. + It made the driver unable to support dates beyond 2099. + Setting this option will add proper support for the century bit but if + the time was previously set using a kernel predating this option, + reading the date will return a date in the next century. + To solve that, you could boot a kernel without this option set, set + the RTC date and then boot a kernel with this option set. + config RTC_DRV_DS1374 tristate "Dallas/Maxim DS1374" help @@ -374,16 +388,6 @@ config RTC_DRV_ISL12022 This driver can also be built as a module. If so, the module will be called rtc-isl12022. -config RTC_DRV_ISL12057 - select REGMAP_I2C - tristate "Intersil ISL12057" - help - If you say yes here you get support for the Intersil ISL12057 - I2C RTC chip. - - This driver can also be built as a module. If so, the module - will be called rtc-isl12057. - config RTC_DRV_X1205 tristate "Xicor/Intersil X1205" help @@ -661,6 +665,7 @@ config RTC_DRV_DS1343 will be called rtc-ds1343. config RTC_DRV_DS1347 + select REGMAP_SPI tristate "Dallas/Maxim DS1347" help If you say yes here you get support for the @@ -1201,7 +1206,7 @@ comment "on-CPU RTC drivers" config RTC_DRV_ASM9260 tristate "Alphascale asm9260 RTC" - depends on MACH_ASM9260 + depends on MACH_ASM9260 || COMPILE_TEST help If you say yes here you get support for the RTC on the Alphascale asm9260 SoC. @@ -1241,6 +1246,9 @@ config RTC_DRV_IMXDI config RTC_DRV_OMAP tristate "TI OMAP Real Time Clock" depends on ARCH_OMAP || ARCH_DAVINCI || COMPILE_TEST + depends on OF + depends on PINCTRL + select GENERIC_PINCONF help Say "yes" here to support the on chip real time clock present on TI OMAP1, AM33xx, DA8xx/OMAP-L13x, AM43xx and DRA7xx. |