I am trying to configure P9.14 pin as pwm. What I am doing is :
root@beaglebone:~# echo cape-universaln > /sys/devices/bone_capemgr.9/slots
bash: echo: write error: File exists
So I am not able to execute config-pin command because pinmux in not created.
Below is the link of the blog which I am refereing.
The not particularly helpful error likely indicates something already
loaded is conflicting with loading the universal overlay.
Some specifics of your setup would be helpful:
...otherwise, review the contents of the slots file and see if there's