Hello,
I'm trying to use 3 PWM channels for RGB Led control -- I can install one
overlay successfully & drive a (single color) LED changing the period &
duty cycle.
*root@arm:~# sudo echo BB-PWM0 >
/sys/devices/platform/bone_capemgr/slots
[ 162.833955] bone_capemgr bone_capemgr: part_number 'BB-PWM0', version
'N/A'[ 162.841500] bone_capemgr bone_capemgr: slot #4: override[
162.847210] bone_capemgr bone_capemgr: Using override eeprom data at slot
4[ 162.854545] bone_capemgr bone_capemgr: slot #4: 'Override Board
Name,00A0,Override Manuf,BB-PWM0'[ 162.897244] bone_capemgr bone_capemgr:
slot #4: dtbo 'BB-PWM0-00A0.dtbo' loaded; overlay id #0root@arm:~# *
I next try to install another PWM overlay with the following results ---
r
*oot@arm:~# sudo echo BB-PWM1 >
/sys/devices/platform/bone_capemgr/slots
[ 424.900238] bone_capemgr bone_capemgr: part_number 'BB-PWM1', version
'N/A'[ 424.907757] bone_capemgr bone_capemgr: slot #5: override[
424.913369] bone_capemgr bone_capemgr: Using override eeprom data at slot
5[ 424.920787] bone_capemgr bone_capemgr: slot #5: 'Override Board
Name,00A0,Override Manuf,BB-PWM1'[ 424.954871] OF: changeset: add_property
failed @/__symbols__/pinctrl_spec[ 424.962243] OF: Error applying
changeset (-17)[ 424.971503] bone_capemgr bone_capemgr: slot #5: Failed to
create overlayecho: write error: File existsroot@arm:~# *
Shouldn't the configuration be separate between the overlays so they can
operate independently? I get the same result with any combination.
Thanks for the help -- rich..
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