arch/arm/boot/dts/overlays/pwm-ir-tx-overlay.dts

   1 /dts-v1/;
   2 /plugin/;
   3
   4 / {
   5         compatible = "brcm,bcm2835";
   6
   7         fragment@0 {
   8                 target = <&gpio>;
   9                 __overlay__ {
  10                         pwm0_pins: pwm0_pins {
  11                                 brcm,pins = <18>;
  12                                 brcm,function = <2>; /* Alt5 */
  13                         };
  14                 };
  15         };
  16
  17         fragment@1 {
  18                 target = <&pwm>;
  19                 __overlay__ {
  20                         pinctrl-names = "default";
  21                         pinctrl-0 = <&pwm0_pins>;
  22                         status = "okay";
  23                 };
  24         };
  25
  26         fragment@2 {
  27                 target-path = "/";
  28                 __overlay__ {
  29                         pwm-ir-transmitter {
  30                                 compatible = "pwm-ir-tx";
  31                                 pwms = <&pwm 0 100>;
  32                         };
  33                 };
  34         };
  35
  36         __overrides__ {
  37                 gpio_pin = <&pwm0_pins>, "brcm,pins:0";
  38                 func = <&pwm0_pins>,"brcm,function:0";
  39         };
  40 };