23 lines
587 B
Plaintext
23 lines
587 B
Plaintext
|
Axis ETRAX FS General I/O controller bindings
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
|
||
|
|
- compatible: one of:
|
||
|
|
- "axis,etraxfs-gio"
|
||
|
|
- "axis,artpec3-gio"
|
||
|
|
- reg: Physical base address and length of the controller's registers.
|
||
|
|
- #gpio-cells: Should be 3
|
||
|
|
- The first cell is the gpio offset number.
|
||
|
|
- The second cell is reserved and is currently unused.
|
||
|
|
- The third cell is the port number (hex).
|
||
|
|
- gpio-controller: Marks the device node as a GPIO controller.
|
||
|
|
|
||
|
|
Example:
|
||
|
|
|
||
|
|
gio: gpio@b001a000 {
|
||
|
|
compatible = "axis,etraxfs-gio";
|
||
|
|
reg = <0xb001a000 0x1000>;
|
||
|
|
gpio-controller;
|
||
|
|
#gpio-cells = <3>;
|
||
|
|
};
|