> +- mediatek,rx-delay-ps: RX clock delay macro value. Default is 0. > + It should be defined for rgmii/rgmii-txid/mii/rmii interface. > +Both delay properties need to be a multiple of 170 for fine-tune rgmii, > +range 0~31*170. > +Both delay properties need to be a multiple of 550 for coarse-tune rgmii, > +range 0~31*550. > +Both delay properties need to be a multiple of 550 for mii/rmii, > +range 0~31*550. You see "need to be" here, but the driver does not care. It will round down. Please either make the driver check, or change the text to rather say it will round down. Andrew