/sys/class/rtc/rtcN (sysfs)
configname: CONFIG_RTC_INTF_SYSFS
Linux Kernel Configuration
└─>Device Drivers
└─>Real Time Clock
└─>/sys/class/rtc/rtcN (sysfs)
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
Say yes here if you want to use your RTCs using sysfs interfaces,
/sys/class/rtc/rtc0 through /sys/.../rtcN.
If unsure, say Y.
/sys/class/rtc/rtc0 through /sys/.../rtcN.
If unsure, say Y.