PWM is missing value files (period, duty_cycle, run).


I am trying hardly to enable pwm on archlinux-3.8.12-13 on the Beaglebone black.

I came so far that after exporting the overlay there is a directory at “/sys/devices/ocp.3/pwm_test_P9_16.15”.
Unfortunately there are no files in this directory which would allow me to modify duty_cycle, period and so on. I only find:
modalias power subsystem uevent

My device tree source overlay is:

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