arch/arm/boot/dts/overlays/gpio-hog-overlay.dts

   1 // Configure a "hog" on the specified GPIO
   2 /dts-v1/;
   3 /plugin/;
   4
   5 #include <dt-bindings/gpio/gpio.h>
   6
   7 / {
   8         compatible = "brcm,bcm2835";
   9
  10         fragment@0 {
  11                 target = <&gpio>;
  12                 __overlay__ {
  13                         hog: hog@1a {
  14                              gpio-hog;
  15                              gpios = <26 GPIO_ACTIVE_HIGH>;
  16                              output-high;
  17                         };
  18                 };
  19         };
  20
  21         __overrides__ {
  22                 gpio =       <&hog>,"reg:0",
  23                              <&hog>,"gpios:0";
  24                 active_low = <&hog>,"output-high!",
  25                              <&hog>,"output-low?";
  26         };
  27 };