Documentation/devicetree/bindings/gpio/gpio-zevio.txt

   1 Zevio GPIO controller
   2
   3 Required properties:
   4 - compatible: Should be "lsi,zevio-gpio"
   5 - reg: Address and length of the register set for the device
   6 - #gpio-cells: Should be two. The first cell is the pin number and the
   7   second cell is used to specify optional parameters (currently unused).
   8 - gpio-controller: Marks the device node as a GPIO controller.
   9
  10 Example:
  11         gpio: gpio@90000000 {
  12                 compatible = "lsi,zevio-gpio";
  13                 reg = <0x90000000 0x1000>;
  14                 gpio-controller;
  15                 #gpio-cells = <2>;
  16         };