Re: [PATCH 1/1] arm64: dts: meson-g12b-odroid-n2: move assigned-clocks

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Am Samstag, 18. Dezember 2021, 16:03:16 CET schrieb Jerome Brunet:
> 
> On Sat 18 Dec 2021 at 15:26, Alexander Stein <alexander.stein@xxxxxxxxxxx> wrote:
> 
> > dtschema expects a 'clocks' property if 'assigned-clocks' is used, but
> > 'sound' node does not.
> > So move the MPLL[0-2] clock settings &clkc_audio which actually use them.
> 
> No, this does not make sense.
> The sound card needs the clocks set in such way - nothing else
> The clock controller work just as well regarless of the clock rate
> 
> Having a clock property or not does not change that

Well, I checked what others did to fix this warning. So I did the same as in [1].
Despite that, IMHO if you split 'assigned-clocks' for the same clock ´all
over users who is gonna win? Because the sound card needs the clocks set
his way it is set, it is done in the same file.

Best regards,
Alexander

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4afb06afd76855932a2d19c983c013105f1cfb9a

> > This fixes the dtschema warning:
> > arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dt.yaml: sound: 'clocks' is a dependency of 'assigned-clocks'
> >
> 
> Then the schema needs fixing IMO
> 
> > Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxx>
> > ---
> >  .../boot/dts/amlogic/meson-g12b-odroid-n2.dtsi    | 15 +++++++--------
> >  1 file changed, 7 insertions(+), 8 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> > index 9c05c83453f5..85257507206c 100644
> > --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> > +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> > @@ -252,14 +252,6 @@ sound {
> >  				"U19 INR", "ACODEC LORP",
> >  				"Lineout", "U19 OUTL",
> >  				"Lineout", "U19 OUTR";
> > -
> > -		assigned-clocks = <&clkc CLKID_MPLL2>,
> > -				  <&clkc CLKID_MPLL0>,
> > -				  <&clkc CLKID_MPLL1>;
> > -		assigned-clock-parents = <0>, <0>, <0>;
> > -		assigned-clock-rates = <294912000>,
> > -				       <270950400>,
> > -				       <393216000>;
> >  		status = "okay";
> >  
> >  		dai-link-0 {
> > @@ -365,6 +357,13 @@ &cecb_AO {
> >  };
> >  
> >  &clkc_audio {
> > +	assigned-clocks = <&clkc CLKID_MPLL2>,
> > +				<&clkc CLKID_MPLL0>,
> > +				<&clkc CLKID_MPLL1>;
> > +	assigned-clock-parents = <0>, <0>, <0>;
> > +	assigned-clock-rates = <294912000>,
> > +					<270950400>,
> > +					<393216000>;
> >  	status = "okay";
> >  };
> 
> 








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