interestingly: *william@beaglebone:~$ cat* /sys/bus/i2c/drivers/tps65217/0-0024/tps65217-charger/power/runtime_enabled disabled
So is it possible to change this to "enabled" ? If so what are the consequences ? On Fri, Sep 2, 2016 at 7:04 PM, William Hermans <yyrk...@gmail.com> wrote: > So I did some searching on this because I am interested in this as well. I > figured that the PMIC driver in the kernel would or should be responsible > for this if such support existed. So I read through the source file here: > http://lxr.free-electrons.com/source/drivers/mfd/tps65217.c?v=4.4 , and > came to the conclusion that battery charging was not "supported". > Afterwards I found this: http://elinux.org/BeagleBone_ > Power_Management#Battery which seems to confirm my belief that battery > charging is not supported in the kernel driver. > > Anyway, it seems as though that if someone wants battery charging to work > "flawlessly" they either have to rewrite the kernel module to support this > feature. *OR* I do believe it should be possible to write a userspace > application, or script that communicates with the tps65217c directly via > the i2c bus, where it is connected. To manually "twiddle" the register bits. > > I would have to experiment with this myself to confirm that anything I > think may be possible. Actually *is* possible. > > On Fri, Sep 2, 2016 at 3:52 PM, William Hermans <yyrk...@gmail.com> wrote: > >> Page 41 of the datasheet, looks like registers 3-6. Although I have not >> read in details what the function of those registers are. This should be >> fixable through custom software, but I'd have to read in greater detail to >> understand what must be done, and what should be checked for before >> manually setting the charger bits. Or even if it is even a good idea to do >> so. >> >> I'm a bit leery about writing to the actual registers of the PMIC, but >> only because I have no hands on with that. >> > > -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORqR-Bk3PVRN3ChAzCeHsCUH9vR0CjWUfav38GaSbOyWUQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
