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SubjectRe: [PATCH v2 1/7] dt-bindings: net: Add bindings for Realtek PHYs
On Wed, Jul 03, 2019 at 11:33:27PM +0200, Andrew Lunn wrote:
> > I think if we're going to have custom properties for phys, we should
> > have a compatible string to at least validate whether the custom
> > properties are even valid for the node.
>
> Hi Rob
>
> What happens with other enumerable busses where a compatible string is
> not used?
>
> The Ethernet PHY subsystem will ignore the compatible string and load
> the driver which fits the enumeration data. Using the compatible
> string only to get the right YAML validator seems wrong. I would
> prefer adding some other property with a clear name indicates its is
> selecting the validator, and has nothing to do with loading the
> correct driver. And it can then be used as well for USB and PCI
> devices etc.

I also have doubts whether a compatible string is the right answer
here. It's not needed/used by the subsystem, but would it be a
required property because it's needed for validation?

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