Added by commit 
200efedd8766 ("pwm: Take over maintainership of the PWM
subsystem"), but I could not find any trace of that file being ever
added to the repository.
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 F:     Documentation/pwm.txt
 F:     Documentation/devicetree/bindings/pwm/
 F:     include/linux/pwm.h
-F:     include/linux/of_pwm.h
 F:     drivers/pwm/
 F:     drivers/video/backlight/pwm_bl.c
 F:     include/linux/pwm_backlight.h