Merge remote-tracking branches 'regulator/fix/88pm800', 'regulator/fix/max8973',...
[linux-drm-fsl-dcu.git] / Documentation / devicetree / bindings / gpio / gpio-etraxfs.txt
1 Axis ETRAX FS General I/O controller bindings
2
3 Required properties:
4
5 - compatible:
6   - "axis,etraxfs-gio"
7 - reg: Physical base address and length of the controller's registers.
8 - #gpio-cells: Should be 3
9   - The first cell is the gpio offset number.
10   - The second cell is reserved and is currently unused.
11   - The third cell is the port number (hex).
12 - gpio-controller: Marks the device node as a GPIO controller.
13
14 Example:
15
16         gio: gpio@b001a000 {
17                 compatible = "axis,etraxfs-gio";
18                 reg = <0xb001a000 0x1000>;
19                 gpio-controller;
20                 #gpio-cells = <3>;
21         };