1Cadence GPIO controller bindings
2
3Required properties:
4- compatible: should be "cdns,gpio-r1p02".
5- reg: the register base address and size.
6- #gpio-cells: should be 2.
7	* first cell is the GPIO number.
8	* second cell specifies the GPIO flags, as defined in
9		<dt-bindings/gpio/gpio.h>. Only the GPIO_ACTIVE_HIGH
10		and GPIO_ACTIVE_LOW flags are supported.
11- gpio-controller: marks the device as a GPIO controller.
12- clocks: should contain one entry referencing the peripheral clock driving
13	the GPIO controller.
14
15Optional properties:
16- ngpios: integer number of gpio lines supported by this controller, up to 32.
17- interrupts: interrupt specifier for the controllers interrupt.
18- interrupt-controller: marks the device as an interrupt controller. When
19	defined, interrupts, interrupt-parent and #interrupt-cells
20	are required.
21- interrupt-cells: should be 2.
22	* first cell is the GPIO number you want to use as an IRQ source.
23	* second cell specifies the IRQ type, as defined in
24		<dt-bindings/interrupt-controller/irq.h>.
25		Currently only level sensitive IRQs are supported.
26
27
28Example:
29	gpio0: gpio-controller@fd060000 {
30		compatible = "cdns,gpio-r1p02";
31		reg =<0xfd060000 0x1000>;
32
33		clocks = <&gpio_clk>;
34
35		interrupt-parent = <&gic>;
36		interrupts = <0 5 IRQ_TYPE_LEVEL_HIGH>;
37
38		gpio-controller;
39		#gpio-cells = <2>;
40
41		interrupt-controller;
42		#interrupt-cells = <2>;
43	};
44