AnsweredAssumed Answered

Freeze Low Power Mode is not working with i.MX6 SoloLite

Question asked by Vipul Kumar on Jul 19, 2016
Latest reply on Jul 20, 2016 by igorpadykov

Hi,

I am using customized i.MX6 SL board with TPS65910 PMIC. I am able to wakeup the board from the STANDBY low power mode by using TPS65910 PMIC rtc but failed to wakeup the from the FREEZE low power mode.

 

OS - Linux

Kernel - 3.14

Yocto - 2.0

 

Procedure:

date -s "2016-07-20 11:03:59"

hwclock --systohc

echo +40 > /sys/class/rtc/rtc0/wakealarm

cat /proc/driver/rtc

rtc_time    : 11:05:30
rtc_date    : 2016-07-20
alrm_time   : 11:06:05
alrm_date   : 2016-07-20
alarm_IRQ   : yes
alrm_pending: no
update IRQ enabled  : no
periodic IRQ enabled: no

periodic IRQ frequency  : 1

max user IRQ frequency  : 64

24hr        : yes

 

echo freeze > /sys/power/state

PM: Syncing filesystems ...

done.

Freezing user space processes ... (elapsed 0.010 seconds) done.

Freezing remaining freezable tasks ... (elapsed 0.005 seconds) done.

Suspending console(s) (use no_console_suspend to debug)

Outcomes