arch/arm/boot/dts/overlays/dpi24-overlay.dts

   1 /dts-v1/;
   2 /plugin/;
   3
   4 /{
   5         compatible = "brcm,bcm2835";
   6
   7         // There is no DPI 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 = <&fb>;
  13                 __overlay__ {
  14                         pinctrl-names = "default";
  15                         pinctrl-0 = <&dpi24_pins>;
  16                 };
  17         };
  18
  19         fragment@1 {
  20                 target = <&vc4>;
  21                 __overlay__ {
  22                         pinctrl-names = "default";
  23                         pinctrl-0 = <&dpi24_pins>;
  24                 };
  25         };
  26
  27         fragment@2 {
  28                 target = <&gpio>;
  29                 __overlay__ {
  30                         dpi24_pins: dpi24_pins {
  31                                 brcm,pins = <0 1 2 3 4 5 6 7 8 9 10 11
  32                                              12 13 14 15 16 17 18 19 20
  33                                              21 22 23 24 25 26 27>;
  34                                 brcm,function = <6>; /* alt2 */
  35                                 brcm,pull = <0>; /* no pull */
  36                         };
  37                 };
  38         };
  39 };