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