Well, actually I suppose it could be the kernel version you're using: $ uname -r 4.4.9-bone-rt-r10 $ cat /etc/dogtag BeagleBoard.org Debian Image 2016-05-01
On Sat, Jun 4, 2016 at 8:43 AM, William Hermans <[email protected]> wrote: > You're doing something wrong. > > $ sudo sh -c "echo 'eqep2b' > /sys/devices/platform/bone_capemgr/slots" > [sudo] password for william: > *sh: echo: I/O error* > > $ sudo su > > # echo bone_eqep2b > /sys/devices/platform/bone_capemgr/slots > > # cat /sys/devices/platform/bone_capemgr/slots > 0: PF---- -1 > 1: PF---- -1 > 2: PF---- -1 > 3: PF---- -1 > 5: P-O-L- 0 Override Board Name,00A0,Override Manuf,bone_eqep2b > > # dmesg | grep eqep2b > [45229.947577] bone_capemgr bone_capemgr: part_number 'eqep2b', version > 'N/A' > [45229.968472] bone_capemgr bone_capemgr: slot #4: 'Override Board > Name,00A0,Override Manuf,eqep2b' > [45263.895787] bone_capemgr bone_capemgr: part_number 'bone_eqep2b', > version 'N/A' > [45263.916737] bone_capemgr bone_capemgr: slot #5: 'Override Board > Name,00A0,Override Manuf,bone_eqep2b' > [45263.937869] bone_capemgr bone_capemgr: slot #5: dtbo > 'bone_eqep2b-00A0.dtbo' loaded; overlay id #0 > > > > On Sat, Jun 4, 2016 at 5:06 AM, Maksim Surov <[email protected]> wrote: > >> Hello. I have installed Debian 4.4.9 on my *BeagleBone Green*. The >> debian already has all the neccessary overlays, so i tried to load the >> device *bone_eqep2b* by typing >> >> echo bone_eqep2b > /sys/devices/platform/bone_capemgr/slots >> >> >> everything looks well, and my device is in the slots: >> >> # cat /sys/devices/platform/bone_capemgr/slots >> 0: PF---- -1 >> 1: PF---- -1 >> 2: PF---- -1 >> 3: PF---- -1 >> 4: P-O-L- 0 Override Board Name,00A0,Override Manuf,bone_eqep2b >> >> >> but actually device doesn't work. The dmesg shows the error >> >> #dmesg >> >> >> [ 55.645375] bone_capemgr bone_capemgr: part_number 'bone_eqep2b', version >> 'N/A' >> [ 55.645448] bone_capemgr bone_capemgr: slot #4: override >> [ 55.645490] bone_capemgr bone_capemgr: Using override eeprom data at slot >> 4 >> [ 55.645537] bone_capemgr bone_capemgr: slot #4: 'Override Board >> Name,00A0,Override Manuf,bone_eqep2b' >> [ 55.666985] platform 48304180.eqep: Cannot lookup hwmod 'eqep2' >> [ 55.687194] bone_capemgr bone_capemgr: slot #4: dtbo >> 'bone_eqep2b-00A0.dtbo' loaded; overlay id #0 >> [ 55.722085] eqep 48304180.eqep: ver. 1.0 >> [ 55.722218] eqep 48304180.eqep: failed to get clock >> [ 55.740179] eqep: probe of 48304180.eqep failed with error -2 >> >> >> What is the reason, and how to repair this? >> >> -- >> 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/58339cc5-b86c-49d0-a549-4fbe15e47110%40googlegroups.com >> <https://groups.google.com/d/msgid/beagleboard/58339cc5-b86c-49d0-a549-4fbe15e47110%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> 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/CALHSORpsQkpRZBxkzbt-wyRoOqjugvm7u7bNBxbT31-E74OGgA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
