Ah - the difference in pwmchip number is possibly because I have the fan fitted and I loaded the pwm overlay at run time. Configured as you are, I end up with pwmchip2 like you, and period 25 + duty_cycle 12 produces a 25MHz clock.
Is your scope (and probe) fast enough? If not, you may be seeing aliasing artifacts.
Is your scope (and probe) fast enough? If not, you may be seeing aliasing artifacts.
Statistics: Posted by PhilE — Tue Jul 23, 2024 9:06 am