[PATCH] clk: sunxi-ng: v3s: add support for variable rate audio pll output

Tobias Schramm t.schramm at manjaro.org
Thu Feb 18 03:53:39 EST 2021


> Hi Maxime,
>>
>> It's not really clear to me how that would help.
>>
>> The closest frequency we can provide for 24.576MHz would be 24580645 Hz,
>> with N = 127, M = 31 and P = 4, so it would work with what we have
>> already?
>>
> 
> As far as I'm aware the multiplier N ranges from 0 to 128 (offset of 1 
That should have of course been "from 1 to 128".
> from 0 to 127). Thus 24MHz * 128 / 25 / 5 = 24.576MHz. Since this 
> requires the postdiv to be set to 5 it is not supported yet.
> 
> Cheers,
> Tobias



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