[PATCH v9 2/4] Documentation: Add documentation for APM X-Gene SoC SATA host controller DTS binding

Arnd Bergmann
2014-01-15T20:10:33Z

On Wednesday 15 January 2014 12:04:02 Loc Ho wrote:
>
> >> +- clocks : Reference to the clock entry.
> >> +- phys : PHY reference with parameter 0.
> >
> > The specific value of the phy-specifier shouldn't matter to this
> > binding. What should matter is what it logically corresponds to.
>
> I not quite following this. Are you suggest that I drop the value 0.
> In the binding, one needs to specify the mode of operation - 0 is for
> SATA. Can you explain more?

The SATA device should not care what the argument for the PHY
device is. You could connect the same device to another PHY
that has a different set of arguments, which is the whole point
of abstracting it.

Arnd