02-17-2017, 12:45 PM
(02-17-2017, 04:15 AM)xalius Wrote: For the BSP (3.10.x) kernel the PWM output (PL10 according to the schematics) is afaik tied to the LCD driver and there should be some controls in the /sys/ filesystem.
If you look at the device tree:
LCD Entry seems to have values too:
PWM Driver entry, from the pinctrl phandle:
from the compatible line it should be tied to a driver called "sunxi-pwm16"
Is this it?
chris@pinetoo /sys/bus/platform/devices/spwm0.10 $ cat uevent
If so, how do we set the frequency/brightness?