Re: [PATCH 2/2] clk: add 74aup1g157gw 2-input multiplexer as clock driver

Stephen Boyd
2018-10-12T16:06:49Z

Quoting Kuninori Morimoto (2018-10-11 17:37:30)
> > > + .recalc_rate = clk74_recalc_rate,
> > > + .get_parent = clk74_get_parent,
> > > +};
> >
> > Can this all be handled by the 'gpio-mux-clock' compatible/driver? I
> > suppose it may need an update to add the rounding policy that you want
> > via some sort of DT property, but otherwise it would be fine?
>
> Hmm.. not sure.
> If we can add new feature (= .round_rate ?) on gpio-mux-clock,
> I can consider it.

Yes that would be the idea. Extend gpio-mux-clock driver to have what
you want with rounding. I'm not really sure why there is a rounding
policy needed though. Is it a static configuration at boot, or does the
code using this gpio clk need to search the parent rate space somehow
and mux it over?