It doesn’t matter if the keyboard is connected via GPIO or I2C, the driver abstracts the interface so that all keyboards act the same way.
Regards, John > On Feb 10, 2017, at 1:44 AM, Gurpartap Singh <gurpartapsingh...@gmail.com> > wrote: > > thanks John, > But I need only GPIO based keypad not i2c based. Please help what should > be my next step after modprobing the driver. How can I define rows and > columns pins. > Someone had posted this link > https://groups.google.com/forum/#!searchin/beagleboard/matrix_keypad|sort:relevance/beagleboard/OED_rjD5dVI/lGQ2kynER0kJ > > <https://groups.google.com/forum/#!searchin/beagleboard/matrix_keypad|sort:relevance/beagleboard/OED_rjD5dVI/lGQ2kynER0kJ> > > But when I compile this dts file into .dtbo , dtc compiler shows syntax > error. > root@beaglebone:/lib/firmware# dtc -O dtb -o keypad-00A0.dtbo -b 0 -@ > keypad-00A0.dts > Error: keypad-00A0.dts:18.31-32 syntax error > FATAL ERROR: Unable to parse input tree > > > -- > For more options, visit http://beagleboard.org/discuss > <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 > <mailto:beagleboard+unsubscr...@googlegroups.com>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/8965e916-f7e1-4e14-aa3a-e871796c4a71%40googlegroups.com > > <https://groups.google.com/d/msgid/beagleboard/8965e916-f7e1-4e14-aa3a-e871796c4a71%40googlegroups.com?utm_medium=email&utm_source=footer>. > For more options, visit https://groups.google.com/d/optout > <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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/E18A22EC-3052-4939-9381-EEC4582918D0%40gmail.com. For more options, visit https://groups.google.com/d/optout.
