On Wed, Jun 22, 2016 at 4:28 AM, <[email protected]> wrote: > Hi everybody, > > I'm trying to use the SPI interface on my new Beaglebone Green. > I was used to use the SPIDEV1 on my former BBB just loading the BB-SPIDEV1 > DTO, but with this new board this DTO conflicts with the "univ-emmc" one. > Below my Linux version and errors I get when loading the SPIDEV1 DTO file. > The same problem with the PWM controller. > I'm wondering how to to use the pins P9.31 and P9.22 allocated by the > univ-emmc DTO. > Having a look to the univ-emmc.dts file I've discovered P9.31 pin is > allocated for "audio". > I really don't know what does it mean... > Could you help me please? > Thank you in advance. > > Best regards, > Stefano > > > > root@beaglebone:~# uname -a > Linux beaglebone 4.1.20-ti-r58 #1 SMP Thu Apr 14 22:53:06 UTC 2016 armv7l > GNU/Linux > root@beaglebone:~# cat /proc/version > Linux version 4.1.20-ti-r58 (root@b1-omap5-uevm-2gb) (gcc version 4.9.2 > (Debian 4.9.2-10) ) #1 SMP Thu Apr 14 22:53:06 UTC 2016 > root@beaglebone:~# > > > root@beaglebone:~# sh -c "echo bone_pwm_P9_22 > $SLOTS" > sh: echo: I/O error > root@beaglebone:~# > root@beaglebone:~# sh -c "echo BB-SPIDEV1 > $SLOTS" > sh: echo: I/O error > root@beaglebone:~# > > dmesg: > > [ 2536.415851] bone_capemgr bone_capemgr: Using override eeprom data at slot > 8 > [ 2536.415897] bone_capemgr bone_capemgr: slot #8: 'Override Board > Name,00A0,Override Manuf,BB-SPIDEV1' > [ 2536.428067] bone_capemgr bone_capemgr: slot #8: BB-SPIDEV1 conflict P9.31 > (#4:univ-emmc) > [ 2536.436253] bone_capemgr bone_capemgr: slot #8: Failed verification > [ 4277.900682] bone_capemgr bone_capemgr: part_number 'bone_pwm_P9_22', > version 'N/A' > [ 4277.900728] bone_capemgr bone_capemgr: slot #9: override > [ 4277.900751] bone_capemgr bone_capemgr: Using override eeprom data at slot > 9 > [ 4277.900776] bone_capemgr bone_capemgr: slot #9: 'Override Board > Name,00A0,Override Manuf,bone_pwm_P9_22' > [ 4277.905430] bone_capemgr bone_capemgr: slot #9: bone_pwm_P9_22 conflict > P9.22 (#4:univ-emmc) > [ 4277.914128] bone_capemgr bone_capemgr: slot #9: Failed verification
open /boot/uEnv.txt remove cape_universal=enable as that loaded "univ-emmc". Regards, -- Robert Nelson https://rcn-ee.com/ -- 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/CAOCHtYj7BJtbhp3-bY%3DMK%3D%3DdOF5HVxMGWYO_1tdnk9fwFSSvYg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
