microchip,lan78xx.txt

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

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