Re: [PATCH 2/4] ARM: dts: dm8168-evm: add the external reference clock for SATA

From: Tony Lindgren
Date: Tue Mar 14 2017 - 11:06:01 EST


* Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> [170314 08:03]:
> 2017-03-13 22:34 GMT+01:00 Tony Lindgren <tony@xxxxxxxxxxx>:
> > * Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> [170313 09:45]:
> >> This board has an external oscillator supplying the reference clock
> >> signal for SATA. Its rate is fixed at 100Mhz. Add a corresponding
> >> device tree node.
> >
> > Is this the 100MHz clock from PCIe? Just like on dm814x-evm as noted
> > in the workaround thread below:
> >
> > http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/716/p/181083/671141
> >
> > Regards,
> >
> > Tony
> >
>
> Hi Tony,
>
> these signals come from a TI CDCM61002 (U30 on the board's
> schematics). It's hardwired to 100mHZ output.

Oh OK thanks.

Tony