On Tue 2017-11-07 21:04:19, Michael Nazzareno Trimarchi wrote: > Hi Pavel > > On Tue, Nov 7, 2017 at 8:59 PM, Pavel Machek <pavel@xxxxxx> wrote: > > Hi! > > > >> > >> > I'm fighting with battery status & battery charging on Nokia > >> > N9/N950. https://elinux.org/N950 contains enough info to get battery > >> > status (and below is first attempt at kernel implementation), but I'm > >> > not sure what needs to be done to charge the battery (or at least > >> > power phone from USB). > >> > >> Nemo recovery system (2824336 Jul 25 2016 zImage-moslo) seems to > >> either charge phone from USB or at power it from USB. > >> > >> But 4.13 does not; it seems there are two separate issue. > >> > >> First, something needs to be done to enable system power from the > >> USB. I'm not sure what that one would be :-(. Then, it should be > >> possible to ask bq24153 to charge the battery. > > > > If someone has schematics or pointer to them.. for N9 or N950, that > > would be useful :-). > > > > You can dump pinctrl and configuration and check if some gpio are > used. From reference schematic of this charger you have OTG and > CD. Those pins can be just used to enable/disable and boost charging. > You should dig a bit in sysfs to figure it out ;) I tried to search old board file from working version -- seemed better than randomly toggling stuff in /sys. But I could not find anything suspicious. If someone has the schematics, that would be useful. Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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