On Friday 31 January 2014, Barry Song wrote:
> >
> > Is SRC_OSC_RATE the rate of spwm->clk? If so, it would be nice to just call
> > clk_get_rate() here, in case you ever have a chip with a different rate.
> >
>
> SRC_OSC_RATE is the fixed frequency of crystal oscillator, but
> spwm->clk comes from the IO bus. the design is a little strange, pwm
> channels don't use the clock of PWM controller to generate
> period/duty, but use other sources.
How about modeling that other source as a fixed-rate clock in DT
then?
Arnd
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