Hi Anand, Only the vrtc is able to wakeup the device from suspend, the external RTC is not capable. Neil On 15/07/2020 18:02, Anand Moon wrote: > Inoder for test suspend resume feature on Odroid N2 > we need to enable RTC module on this device. > > Following patches enable rtc on Odroid N2 > but sill rtcwakeup is not working se bellow. > Any inputs are welcome. > > # sudo hwclock -r && date > 2020-07-15 15:53:27.706883+00:00 > Wed Jul 15 15:53:27 UTC 2020 > > # echo 1 > /sys/power/pm_debug_messages > bash: /sys/power/pm_debug_messages: Permission denied > # time rtcwake -s 30 -m mem > rtcwake: /dev/rtc0 not enabled for wakeup events > > real 0m0.003s > user 0m0.003s > sys 0m0.000s > # > > -Anand > > Anand Moon (3): > arm64: dts: meson-g12b-odroid-n2: Enable RTC controller node > arm64: dts: meson-g12b-odroid-n2: Disable virtual wake RTC > arm64: defconfig: Enable RTC devices for Amlogic boards > > .../boot/dts/amlogic/meson-g12b-odroid-n2.dts | 18 ++++++++++++++++++ > arch/arm64/configs/defconfig | 1 + > 2 files changed, 19 insertions(+) >
