On Wed, Oct 22, 2014 at 08:29:56AM -0700, Tony Lindgren wrote: > * Johan Hovold <johan@xxxxxxxxxx> [141022 04:12]: > > On Sat, Oct 11, 2014 at 12:08:18PM -0700, Tony Lindgren wrote: > > > * Johan Hovold <johan@xxxxxxxxxx> [141011 02:42]: > > > > On Fri, Oct 10, 2014 at 12:54:22PM -0500, Felipe Balbi wrote: > > > > > > > > > > is this power-off feature "RTC-only mode" ? > > > > > > > > Yes, I believe so, at least as long as RTC power is maintained. The > > > > pmic_power_en pin can otherwise still be used to power off. > > > > > > > > On the BeagleBone the PMIC can be configured to enter OFF or SLEEP mode > > > > on power off, where the latter (and default) mode keeps the RTC power > > > > supply enabled. > > > > > > > > Thanks for the fast review, Felipe. > > > > > > Great :) I assume adding the regulator support to this driver should > > > also help in the 35xx case? > > > > If I remember correctly both OMAP and Sitara 35xx have no on-chip RTC so > > they won't be using this driver. > > Sorry I made a typo.. I meanto to ask if adding the regulator > helps in your 335x case (not 35xx case)? Ah, sorry, that's what I first read before I noticed you wrote "35xx" twice. :) Yes, RTC power can be configured as a regulator on am33xx (e.g. provided by LDO1 of the PMIC on BBB). I guess you would still need to configure it as always-on to be able to use the RTC-only mode, though. Johan -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
