Re: [PATCH net-next RFC V1 5/5] net: mdio: Add a driver for InES time stamping IP core.

[Richard Cochran]

On Wed, Mar 21, 2018 at 11:16:52PM +0100, Andrew Lunn wrote:
> The MAC drivers are clients of this device. They then use a phandle
> and specifier:
> 
>       eth0: ethernet-controller@72000 {
>               compatible = "marvell,kirkwood-eth";
>               #address-cells = <1>;
>               #size-cells = <0>;
>               reg = <0x72000 0x4000>;
> 
>               timerstamper = <&timestamper 2>
>       }
> 
> The 2 indicates this MAC is using port 2.
> 
> The MAC driver can then do the standard device tree things to follow
> the phandle to get access to the device and use the API it exports.

But that would require hacking every last MAC driver.

I happy to improve the modeling, but the solution should be generic
and work for every MAC driver.

Thanks,
Richard