> @@ -147,6 +153,9 @@ &mac2 { > phy-mode = "rgmii"; > phy-handle = <ðphy2>; > > + tx-internal-delay-ps = <8>; > + rx-internal-delay-ps = <4>; > + Ideally you want: phy-mode = "rgmii-id"; tx-internal-delay-ps = <0>; rx-internal-delay-ps = <0>; Since 'rgmii-id' correctly describes the hardware. Andrew