On Wed, Nov 13, 2024 at 10:11:16PM +0100, Daniel Machon wrote: > 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. Andrew