1Zevio GPIO controller
2
3Required 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
10Example:
11	gpio: gpio@90000000 {
12		compatible = "lsi,zevio-gpio";
13		reg = <0x90000000 0x1000>;
14		gpio-controller;
15		#gpio-cells = <2>;
16	};
17