Yes I do believe I have the right version -- as I followed your instructions in bb.org-overlays
here is the result of a version check: root@arm:/lib/firmware# dtc --version Version: DTC 1.4.1-g1e75ebc9 To compile an overlay I did dtc -O dtb -o BB-APA-01-00A0.dtbo -b 0 -@ BB-APA-01-00A0.dts Then I placed the output in /lib/firmware Referring to https://github.com/beagleboard/bb.org-overlays/blob/master/readme.md <https://www.google.com/url?q=https%3A%2F%2Fgithub.com%2Fbeagleboard%2Fbb.org-overlays%2Fblob%2Fmaster%2Freadme.md&sa=D&sntz=1&usg=AFQjCNHG_Smv0Zbgg2uyvPI361SZH1-vgg> I changed my uEnv.txt to contain dtb=am335x-boneblack-emmc-overlay.dtb Stll getting this: [ 229.625505] bone_capemgr bone_capemgr: part_number 'BB-APA-01', version 'N/A' [ 229.633234] bone_capemgr bone_capemgr: slot #4: override [ 229.638620] bone_capemgr bone_capemgr: Using override eeprom data at slot 4 [ 229.655322] bone_capemgr bone_capemgr: slot #4: 'Override Board Name,00A0,Override Manuf,BB-APA-01' [ 229.676441] __of_changeset_entry_apply: add_property failed @/ocp/serial@481aa000/pinctrl-names [ 229.676462] of_changeset_apply: Error applying changeset (-17) [ 229.695456] __of_overlay_create: of_changeset_apply() failed for tree@/ [ 229.702544] bone_capemgr bone_capemgr: slot #4: Failed to create overlay sh: echo: I/O error On Monday, May 9, 2016 at 11:16:50 AM UTC-7, RobertCNelson wrote: > > > > On Mon, May 9, 2016 at 1:12 PM, Matt99eo <mattmahe...@gmail.com > <javascript:>> wrote: > >> Hi, >> >> In the process of migrating from 3.8.x to 4.1.21 and trying to get my >> device tree to load manually (eventually to load on boot). >> >> As I understand it device trees are supported in 4.1.x -- yes? >> >> I the the .dts compiles with out errors however when I go to load the >> device tree I get the following: >> >> echo BB-APA-01 > slots >> [ 8122.326385] bone_capemgr bone_capemgr: part_number 'BB-APA-01', >> version 'N/A' >> [ 8122.333614] bone_capemgr bone_capemgr: slot #5: override >> [ 8122.339116] bone_capemgr bone_capemgr: Using override eeprom data at >> slot 5 >> [ 8122.346184] bone_capemgr bone_capemgr: slot #5: 'Override Board >> Name,00A0,Override Manuf,BB-APA-01' >> [ 8122.369433] __of_changeset_entry_apply: add_property failed >> @/ocp/serial@481aa000/pinctrl-names >> [ 8122.378353] of_changeset_apply: Error applying changeset (-17) >> [ 8122.384609] __of_overlay_create: of_changeset_apply() failed for tree@/ >> [ 8122.391429] bone_capemgr bone_capemgr: slot #5: Failed to create >> overlay >> -bash: echo: write error: File exists >> > > This also could me you used the wrong dtc compiler.. > > Use the one this one builds: > > https://github.com/beagleboard/bb.org-overlays/blob/master/dtc-overlay.sh > > >> >> >> My dts file is essentially the same as I had it in 3.8.x except for >> changing uart numbers to index from 0 instead of 1 as I've read that >> changed. >> >> This custom device tree uses pins reserved for HDMI so I did added teh >> disable option to /boot/uEnv.txt: >> >> cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN >> > > this ^ doesn't do anything.. > > Read, section: BBB compatibility issues: > > https://github.com/beagleboard/bb.org-overlays/blob/master/readme.md > > 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/e9bba5bf-d0bc-4566-8d25-bc8a272b50a0%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
