On Mon, Oct 31, 2022 at 01:35:09PM +0530, Naresh Solanki wrote: > Hi Rob, > > On 26-10-2022 07:07 pm, Rob Herring wrote: > > fanc: fan-controller { > > #pwm-cells = <3>; > > ... > > > > fan { > > pwms = <&fanc 0 500000 PWM_POLARITY_INVERTED>; > > ... > > }; > > }; > > > > 0 is PWM number and 500000 is the PWM frequency. The 3rd cell are per > > consumer flags. See pwm.txt for more details. > > Did the implementation & while testing getting the below err: > [63.626505] max6639 166-002e: failed to create device link to 166-002e Does turning off fw_devlink help (fw_devlink=off)? Rob