Re: [PATCH 2/6] net: ethernet: ti: cpts: add support for ext rftclk selection

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On Mon, Nov 28, 2016 at 05:04:24PM -0600, Grygorii Strashko wrote:
> Some CPTS instances, which can be found on KeyStone 2 1/10G Ethernet
> Switch Subsystems, can control an external multiplexer that selects
> one of up to 32 clocks for time sync reference (RFTCLK). This feature
> can be configured through CPTS_RFTCLK_SEL register (offset: x08).
> 
> Hence, introduce optional DT cpts_rftclk_sel poperty wich, if present,
> will specify CPTS reference clock. The cpts_rftclk_sel should be
> omitted in DT if HW doesn't support this feature. The external fixed
> rate clocks can be defined in board files as "fixed-clock".

Can't you implement this using the clock tree, rather than an ad-hoc
DT property?

Thanks,
Richard
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