I am not an expert on this but it looks like you have looked at the wrong driver.
You may have a look here: http://lxr.free-electrons.com/source/drivers/regulator/tps65217-regulator.c?v=4.4 The low-level driver you have looked at is used by this. Cheers Christoph On Sat, Sep 3, 2016 at 4:04 AM, William Hermans <[email protected]> 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 <[email protected]> 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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/CALHSORoP%2BctrmrzjEa%2B_2jRQ%3DBe_J6GKdjgiMsjC%2BENXLxWpDA%40mail.gmail.com. > > For more options, visit https://groups.google.com/d/optout. -- 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/CAJahsjXOChOneEfFZmKKvhjsZSb6foLeyBm5HcCpmumi9E8L9A%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
