gpio-thunderx.txt

 1Cavium ThunderX/OCTEON-TX GPIO controller bindings
 2
 3Required Properties:
 4- reg: The controller bus address.
 5- gpio-controller: Marks the device node as a GPIO controller.
 6- #gpio-cells: Must be 2.
 7  - First cell is the GPIO pin number relative to the controller.
 8  - Second cell is a standard generic flag bitfield as described in gpio.txt.
 9
10Optional Properties:
11- compatible: "cavium,thunder-8890-gpio", unused as PCI driver binding is used.
12- interrupt-controller: Marks the device node as an interrupt controller.
13- #interrupt-cells: Must be present and have value of 2 if
14                    "interrupt-controller" is present.
15  - First cell is the GPIO pin number relative to the controller.
16  - Second cell is triggering flags as defined in interrupts.txt.
17
18Example:
19
20gpio_6_0: gpio@6,0 {
21	compatible = "cavium,thunder-8890-gpio";
22	reg = <0x3000 0 0 0 0>; /*  DEVFN = 0x30 (6:0) */
23	gpio-controller;
24	#gpio-cells = <2>;
25	interrupt-controller;
26	#interrupt-cells = <2>;
27};