arch/arm/boot/dts/overlays/w5500-overlay.dts

   1 // Overlay for the Wiznet w5500 Ethernet Controller
   2 /dts-v1/;
   3 /plugin/;
   4
   5 / {
   6         compatible = "brcm,bcm2835";
   7
   8         fragment@0 {
   9                 target = <&spidev0>;
  10                 __overlay__ {
  11                         status = "disabled";
  12                 };
  13         };
  14
  15         fragment@1 {
  16                 target = <&spidev1>;
  17                 __dormant__ {
  18                         status = "disabled";
  19                 };
  20         };
  21
  22         fragment@2 {
  23                 target = <&spi0>;
  24                 __overlay__ {
  25                         /* needed to avoid dtc warning */
  26                         #address-cells = <1>;
  27                         #size-cells = <0>;
  28
  29                         status = "okay";
  30
  31                         eth1: w5500@0{
  32                                 compatible = "wiznet,w5500";
  33                                 reg = <0>; /* CE0 */
  34                                 pinctrl-names = "default";
  35                                 pinctrl-0 = <&eth1_pins>;
  36                                 interrupt-parent = <&gpio>;
  37                                 interrupts = <25 0x8>;
  38                                 spi-max-frequency = <30000000>;
  39 //                              local-mac-address = [aa bb cc dd ee ff];
  40                                 status = "okay";
  41                         };
  42                 };
  43         };
  44
  45         fragment@3 {
  46                 target = <&gpio>;
  47                 __overlay__ {
  48                         eth1_pins: eth1_pins {
  49                                 brcm,pins = <25>;
  50                                 brcm,function = <0>; /* in */
  51                                 brcm,pull = <0>; /* none */
  52                         };
  53                 };
  54         };
  55
  56         __overrides__ {
  57                 int_pin = <&eth1>, "interrupts:0",
  58                           <&eth1_pins>, "brcm,pins:0";
  59                 speed   = <&eth1>, "spi-max-frequency:0";
  60                 cs      = <&eth1>, "reg:0",
  61                           <0>, "!0=1";
  62         };
  63 };