Re: [PATCH v4 1/4] dt-bindings: net: phy: Add support for NXP TJA11xx

From: Florian Fainelli
Date: Sun Mar 22 2020 - 17:09:27 EST




On 3/20/2020 4:05 PM, Rob Herring wrote:
>>>> Because the primary PHY0 can be autodetected by the bus scan.
>>>> But I have nothing against your suggestions. Please, some one should say the
>>>> last word here, how exactly it should be implemented?
>>
>> It's not for me to decide, I was hoping the Device Tree maintainers
>> could chime in, your current approach would certainly work although it
>> feels visually awkward.
>
> Something like this is what I'd do:
>
> ethernet-phy@4 {
> compatible = "nxp,tja1102";
> reg = <4 5>;
> };

But the parent (MDIO bus controller) has #address-cells = 1 and
#size-cells = 0, so how can this be made to work without creating two
nodes or a first node encapsulating another one?
--
Florian