Thanks for your kindly comments. On Mon, 2018-10-29 at 13:27 +0100, Andrew Lunn wrote: > > +static int mt2712_config_dt(struct mediatek_dwmac_plat_data *plat) > > +{ > > + u32 mac_timings[4]; > > + > > + plat->peri_regmap = syscon_regmap_lookup_by_compatible("mediatek,mt2712-pericfg"); > > + if (IS_ERR(plat->peri_regmap)) { > > + dev_err(plat->dev, "Failed to get pericfg syscon\n"); > > + return PTR_ERR(plat->peri_regmap); > > + } > > + > > + if (!of_property_read_u32_array(plat->np, "mac-delay", mac_timings, > > + ARRAY_SIZE(mac_timings))) { > > + plat->mac_delay.tx_delay = mac_timings[0]; > > + plat->mac_delay.rx_delay = mac_timings[1]; > > + plat->mac_delay.tx_inv = mac_timings[2]; > > + plat->mac_delay.rx_inv = mac_timings[3]; > > + } > > + > > + plat->fine_tune = of_property_read_bool(plat->np, "fine-tune"); > > + > > + plat->rmii_rxc = of_property_read_bool(plat->np, "rmii-rxc"); > > Please add document for these properties in the binding. ok, I forgot these properties. > > Ideally, you should reuse the binding that some of the other stmmac > glue layer uses. e.g. there is already allwinner,tx-delay-ps, > allwinner,rx-delay-ps. take it, seems that tx-delay/rx-delay will be more readable than mac-delay in dts. will be changed in next patch. > > Thanks > Andrew