select REGMAP_SPI if SPI_MASTER
select WATCHDOG_CORE if WATCHDOG
help
- If you say yes here you get support for the NXP PCF2127/29 RTC
+ If you say yes here you get support for the NXP PCF2127/29/31 RTC
chips with integrated quartz crystal for industrial applications.
- Both chips also have watchdog timer and tamper switch detection
+ These chips also have watchdog timer and tamper switch detection
features.
PCF2127 has an additional feature of 512 bytes battery backed
config RTC_DRV_BQ4802
tristate "TI BQ4802"
depends on HAS_IOMEM && HAS_IOPORT
+ depends on SPARC || COMPILE_TEST
help
If you say Y here you will get support for the TI
BQ4802 RTC chip.