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

Maxime Ripard maxime at cerno.tech
Thu Feb 18 04:44:26 EST 2021


On Thu, Feb 18, 2021 at 05:21:16PM +0800, Icenowy Zheng wrote:
> 
> 
> 于 2021年2月18日 GMT+08:00 下午5:18:39, Tobias Schramm <t.schramm at manjaro.org> 写到:
> >Hi Icenowy,
> >
> > > We have introducee SDM-based accurate audio PLL on several
> >> other SoCs. Some people is quite sensitive about audio-related
> >things.
> > >
> >While it is possible to support 24MHz * 128 / 25 / 5 = 24.576MHz
> >without 
> >delta sigma modulation, matching 22.5792MHz is indeed not possible. I 
> >read you'd prefer me to use SDM like the other SoCs though? Shall I
> >send 
> >a v2 utilizing SDM?
> 
> Yes, I think so.

Yes I'd rather have consistency about how we deal with this across all SoCs

Maxime
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