1Microchip LAN78xx Gigabit Ethernet controller 2 3The LAN78XX devices are usually configured by programming their OTP or with 4an external EEPROM, but some platforms (e.g. Raspberry Pi 3 B+) have neither. 5The Device Tree properties, if present, override the OTP and EEPROM. 6 7Required properties: 8- compatible: Should be one of "usb424,7800", "usb424,7801" or "usb424,7850". 9 10Optional properties: 11- local-mac-address: see ethernet.txt 12- mac-address: see ethernet.txt 13 14Optional properties of the embedded PHY: 15- microchip,led-modes: a 0..4 element vector, with each element configuring 16 the operating mode of an LED. Omitted LEDs are turned off. Allowed values 17 are defined in "include/dt-bindings/net/microchip-lan78xx.h". 18 19Example: 20 21/* Based on the configuration for a Raspberry Pi 3 B+ */ 22&usb { 23 usb-port@1 { 24 compatible = "usb424,2514"; 25 reg = <1>; 26 #address-cells = <1>; 27 #size-cells = <0>; 28 29 usb-port@1 { 30 compatible = "usb424,2514"; 31 reg = <1>; 32 #address-cells = <1>; 33 #size-cells = <0>; 34 35 ethernet: ethernet@1 { 36 compatible = "usb424,7800"; 37 reg = <1>; 38 local-mac-address = [ 00 11 22 33 44 55 ]; 39 40 mdio { 41 #address-cells = <0x1>; 42 #size-cells = <0x0>; 43 eth_phy: ethernet-phy@1 { 44 reg = <1>; 45 microchip,led-modes = < 46 LAN78XX_LINK_1000_ACTIVITY 47 LAN78XX_LINK_10_100_ACTIVITY 48 >; 49 }; 50 }; 51 }; 52 }; 53 }; 54}; 55