[PATCH net-next v2 8/8] dt-bindings: net: sparx5: document RGMII MAC delays

[Daniel Machon]

Hi Andrew,

> > The lan969x switch device supports two RGMII port interfaces that can be
> > configured for MAC level rx and tx delays.
> >
> > Document two new properties {rx,tx}-internal-delay-ps. Make them
> > required properties, if the phy-mode is one of: rgmii, rgmii_id,
> > rgmii-rxid or rgmii-txid. Also specify accepted values.
> 
> This is unusual if you look at other uses of {rt}x-internal-delay-ps.
> It is generally an optional parameter, and states it defaults to 0 if
> missing, and is ignored by the driver if phy-mode is not an rgmii
> variant.

Is unusual bad? :-) I thought that requiring the properties would make
misconfigurations (mismatching phy-modes and MAC delays) more obvious,
as you were forced to specify exactly what combination you want in the
DT.  Maybe not. I can change it,  no problem.

/Daniel


> 
>         Andrew