[    0.879650] sun6i-rtc 7000000.rtc: registered as rtc0
[    0.885202] sun6i-rtc 7000000.rtc: RTC enabled
[    1.063688] PM: no wakealarm-capable RTC driver is ready

# ls /sys/class/rtc/rtc0
date           hctosys        power          time
dev            max_user_freq  since_epoch    uevent
device         name           subsystem