Daniel González Cabanelas b8362c20e7 mvebu: LS421DE: use the RTC as a wakeup source ... The Buffalo Linkstation LS421DE comes with a Ricoh RS5C372A real time clock. This RTC has the INTRA pin connected to the power management circuit, allowing to wake up the device from the power off state when an alarm is scheduled. Add the "wakeup-source" property in the RTC dts node to allow the use of the alarm. Example of use, the device is powered off and it comes to life after 5 minutes: echo $(expr $(date '+%s') + 60 * 5) > /sys/class/rtc/rtc0/wakealarm poweroff This feature isn't available in the stock firmware. Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>		2020-12-22 18:59:10 +01:00
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arm/boot/dts	mvebu: LS421DE: use the RTC as a wakeup source	2020-12-22 18:59:10 +01:00
arm64/boot/dts/marvell