linux/Documentation/devicetree/bindings/media/gpio-ir-receiver.txt
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   1Device-Tree bindings for GPIO IR receiver
   2
   3Required properties:
   4        - compatible: should be "gpio-ir-receiver".
   5        - gpios: specifies GPIO used for IR signal reception.
   6
   7Optional properties:
   8        - linux,rc-map-name: Linux specific remote control map name.
   9
  10Example node:
  11
  12        ir: ir-receiver {
  13                compatible = "gpio-ir-receiver";
  14                gpios = <&gpio0 19 1>;
  15                linux,rc-map-name = "rc-rc6-mce";
  16        };
  17