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SubjectRe: [PATCH] sound: soc: fsl: Do not set DAI sysclk when it is equal to system freq
On Wed, Sep 06, 2017 at 08:35:50PM +0200, Łukasz Majewski wrote:

> clocks = <&clks IMX6QDL_CLK_SSI2_IPG>,
> <&clks IMX6QDL_CLK_SSI2>;
> clock-names = "ipg", "baud";

> >> dailink_master: cpu {
> >> sound-dai = <&ssi2>;
> >> clock = <&SSSS>;
>
> If possible I do prefer a solution, which uses only DTS.
> Side question - how to refer to baud clock from [1]?

Just add a property to this cpu node like:
clock = <&clks IMX6QDL_CLK_SSI2>;

> >> system-clock-frequency = <XXXX>;

This would not be necessary unless you want to specify a clock rate
so as to override the clock rate configuration in hw_params().

> >This is the right solution based on current simple-card driver. For
> >SSI (having two clocks), you have to specify the baud clock in the
> >cpu node like that. I believe this is what the simple-card designer
> >expected users to do since the cpu node is the first place that the
> >driver tries to look at.
>
> I will give a shoot the option with adding the ipg clock.

No, not ipg clock. You should use the second clock -- baud clock.

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