arch/arm/boot/dts/overlays/enc28j60-overlay.dts

   1 // Overlay for the Microchip ENC28J60 Ethernet Controller
   2 /dts-v1/;
   3 /plugin/;
   4
   5 / {
   6         compatible = "brcm,bcm2835";
   7
   8         fragment@0 {
   9                 target = <&spi0>;
  10                 __overlay__ {
  11                         /* needed to avoid dtc warning */
  12                         #address-cells = <1>;
  13                         #size-cells = <0>;
  14
  15                         status = "okay";
  16
  17                         eth1: enc28j60@0{
  18                                 compatible = "microchip,enc28j60";
  19                                 reg = <0>; /* CE0 */
  20                                 pinctrl-names = "default";
  21                                 pinctrl-0 = <&eth1_pins>;
  22                                 interrupt-parent = <&gpio>;
  23                                 interrupts = <25 0x2>; /* falling edge */
  24                                 spi-max-frequency = <12000000>;
  25                                 status = "okay";
  26                         };
  27                 };
  28         };
  29
  30         fragment@1 {
  31                 target = <&spidev0>;
  32                 __overlay__ {
  33                         status = "disabled";
  34                 };
  35         };
  36
  37         fragment@2 {
  38                 target = <&gpio>;
  39                 __overlay__ {
  40                         eth1_pins: eth1_pins {
  41                                 brcm,pins = <25>;
  42                                 brcm,function = <0>; /* in */
  43                                 brcm,pull = <0>; /* none */
  44                         };
  45                 };
  46         };
  47
  48         __overrides__ {
  49                 int_pin = <&eth1>, "interrupts:0",
  50                           <&eth1_pins>, "brcm,pins:0";
  51                 speed   = <&eth1>, "spi-max-frequency:0";
  52         };
  53 };