[alsa-devel] [PATCH 3/3] ASoC: simple-card-utils: enable clocks/clock-names/clock-ranges
Stephen Boyd
sboyd at codeaurora.org
Fri Dec 9 01:26:35 CET 2016
On 12/09, Kuninori Morimoto wrote:
>
> Hi Stephen
>
> > > From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> > >
> > > Current simple-card is supporting this style for clocks
> > >
> > > sound {
> > > ...
> > > simple-audio-card,cpu {
> > > sound-dai = <&xxx>;
> > > clocks = <&cpu_clock>;
> > > };
> > > simple-audio-card,codec {
> > > sound-dai = <&xxx>;
> > > clocks = <&codec_clock>;
> > > };
> > > };
> > >
> > > Now, it can support this style too, because we can use
> > > devm_get_clk_from_child() now.
> > >
> > > sound {
> > > ...
> > > clocks = <&cpu_clock>, <&codec_clock>;
> > > clock-names = "cpu", "codec";
> > > clock-ranges;
> > > ...
> > > simple-audio-card,cpu {
> > > sound-dai = <&xxx>;
> > > };
> > > simple-audio-card,codec {
> > > sound-dai = <&xxx>;
> > > };
> > > };
> > >
> > > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> >
> > I don't see any reason why we need this patch though. The binding
> > works as is, so supporting different styles doesn't seem like a
> > good idea to me. Let's just keep what we have? Even if a sub-node
> > like cpu or codec gets more than one element in the clocks list
> > property, we can make that work by passing a clock-name then
> > based on some sort of other knowledge.
>
> OK, thanks. Let's skip this patch.
> But I believe this idea/method itself is not wrong (?)
>
Right it's not wrong, just seems confusing to have two methods.
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