SMSC LAN87xx Ethernet PHY Some boards require special tuning values. Configure them through an Ethernet OF device node. Optional properties: - smsc,disable-energy-detect: If set, do not enable energy detect mode for the SMSC phy. default: enable energy detect mode Examples: smsc phy with disabled energy detect mode on an am335x based board. &davinci_mdio { pinctrl-names = "default", "sleep"; pinctrl-0 = <&davinci_mdio_default>; pinctrl-1 = <&davinci_mdio_sleep>; ethernetphy0: ethernet-phy@0 { reg = <0>; smsc,disable-energy-detect; }; };