On Monday, June 23, 2014 at 11:24:30 PM UTC+2, Colin Bester wrote: > > I am looking to fully power down a battery backed beaglebone black running > debian distro. > > Looking through the TRM and TPS65217 document it appears that I can power > device OFF (as opposed to SLEEP) by setting bit 7 in TPS65217 Status > register and then causing PWE_EN pin to go low. > > Only way (under software control) that I can see to do this is via setting > ALARM2 in RTC registers and setting POWER_ENABLE_EN bit (also referred to > in thread > https://groups.google.com/forum/#!searchin/beagleboard/PMIC_POWER_EN/beagleboard/K7DuusrJ6G4/ln4so6f0Vj4J > ) > > Makes sense, i2c control of TPS65217 is easy but I don't see how to write > to RTC registers from user space. > > I'd appreciate any pointers - is it possible using device tree overlay, as > I see promising looking end points in > /sys/devices/ocp.3/44e3e000.rtc/power > > Thanks > Colin >
Hi, I want to read TPS65217 Status register after an interrupt is issued on PMIC_INT pin in beaglebone black in order to find when BBB has lost dc power and powers from battery. How can I read registers via i2c?! Which file should I modify in debian files!?! -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/63adcde4-da22-445b-9b7f-23800cfc2ccb%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
