1*4882a593SmuzhiyunMicrochip LAN78xx Gigabit Ethernet controller 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunThe LAN78XX devices are usually configured by programming their OTP or with 4*4882a593Smuzhiyunan external EEPROM, but some platforms (e.g. Raspberry Pi 3 B+) have neither. 5*4882a593SmuzhiyunThe Device Tree properties, if present, override the OTP and EEPROM. 6*4882a593Smuzhiyun 7*4882a593SmuzhiyunRequired properties: 8*4882a593Smuzhiyun- compatible: Should be one of "usb424,7800", "usb424,7801" or "usb424,7850". 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunThe MAC address will be determined using the optional properties 11*4882a593Smuzhiyundefined in ethernet.txt. 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunOptional properties of the embedded PHY: 14*4882a593Smuzhiyun- microchip,led-modes: a 0..4 element vector, with each element configuring 15*4882a593Smuzhiyun the operating mode of an LED. Omitted LEDs are turned off. Allowed values 16*4882a593Smuzhiyun are defined in "include/dt-bindings/net/microchip-lan78xx.h". 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunExample: 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun/* Based on the configuration for a Raspberry Pi 3 B+ */ 21*4882a593Smuzhiyun&usb { 22*4882a593Smuzhiyun usb-port@1 { 23*4882a593Smuzhiyun compatible = "usb424,2514"; 24*4882a593Smuzhiyun reg = <1>; 25*4882a593Smuzhiyun #address-cells = <1>; 26*4882a593Smuzhiyun #size-cells = <0>; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun usb-port@1 { 29*4882a593Smuzhiyun compatible = "usb424,2514"; 30*4882a593Smuzhiyun reg = <1>; 31*4882a593Smuzhiyun #address-cells = <1>; 32*4882a593Smuzhiyun #size-cells = <0>; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun ethernet: ethernet@1 { 35*4882a593Smuzhiyun compatible = "usb424,7800"; 36*4882a593Smuzhiyun reg = <1>; 37*4882a593Smuzhiyun local-mac-address = [ 00 11 22 33 44 55 ]; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun mdio { 40*4882a593Smuzhiyun #address-cells = <0x1>; 41*4882a593Smuzhiyun #size-cells = <0x0>; 42*4882a593Smuzhiyun eth_phy: ethernet-phy@1 { 43*4882a593Smuzhiyun reg = <1>; 44*4882a593Smuzhiyun microchip,led-modes = < 45*4882a593Smuzhiyun LAN78XX_LINK_1000_ACTIVITY 46*4882a593Smuzhiyun LAN78XX_LINK_10_100_ACTIVITY 47*4882a593Smuzhiyun >; 48*4882a593Smuzhiyun }; 49*4882a593Smuzhiyun }; 50*4882a593Smuzhiyun }; 51*4882a593Smuzhiyun }; 52*4882a593Smuzhiyun }; 53*4882a593Smuzhiyun}; 54