arch/arm/boot/dts/overlays/vga666-overlay.dts

   1 /dts-v1/;
   2 /plugin/;
   3
   4 /{
   5         compatible = "brcm,bcm2835";
   6
   7         // There is no VGA driver module, but we need a platform device
   8         // node (that doesn't already use pinctrl) to hang the pinctrl
   9         // reference on - leds will do
  10
  11         fragment@0 {
  12                 target = <&leds>;
  13                 __overlay__ {
  14                         pinctrl-names = "default";
  15                         pinctrl-0 = <&vga666_pins>;
  16                 };
  17         };
  18
  19         fragment@1 {
  20                 target = <&gpio>;
  21                 __overlay__ {
  22                         vga666_pins: vga666_pins {
  23                                 brcm,pins = <2 3 4 5 6 7 8 9 10 11 12
  24                                              13 14 15 16 17 18 19 20 21>;
  25                                 brcm,function = <6>; /* alt2 */
  26                                 brcm,pull = <0>; /* no pull */
  27                         };
  28                 };
  29         };
  30 };