1Axis ETRAX FS General I/O controller bindings
2
3Required properties:
4
5- compatible: one of:
6  - "axis,etraxfs-gio"
7  - "axis,artpec3-gio"
8- reg: Physical base address and length of the controller's registers.
9- #gpio-cells: Should be 3
10  - The first cell is the gpio offset number.
11  - The second cell is reserved and is currently unused.
12  - The third cell is the port number (hex).
13- gpio-controller: Marks the device node as a GPIO controller.
14
15Example:
16
17	gio: gpio@b001a000 {
18		compatible = "axis,etraxfs-gio";
19		reg = <0xb001a000 0x1000>;
20		gpio-controller;
21		#gpio-cells = <3>;
22	};
23