1* Marvell PXA GPIO controller
2
3Required properties:
4- compatible : Should be "intel,pxa25x-gpio", "intel,pxa26x-gpio",
5		"intel,pxa27x-gpio", "intel,pxa3xx-gpio",
6		"marvell,pxa93x-gpio", "marvell,mmp-gpio",
7		"marvell,mmp2-gpio" or marvell,pxa1928-gpio.
8- reg : Address and length of the register set for the device
9- interrupts : Should be the port interrupt shared by all gpio pins.
10  There're three gpio interrupts in arch-pxa, and they're gpio0,
11  gpio1 and gpio_mux. There're only one gpio interrupt in arch-mmp,
12  gpio_mux.
13- interrupt-names : Should be the names of irq resources. Each interrupt
14  uses its own interrupt name, so there should be as many interrupt names
15  as referenced interrupts.
16- interrupt-controller : Identifies the node as an interrupt controller.
17- #interrupt-cells: Specifies the number of cells needed to encode an
18  interrupt source.
19- gpio-controller : Marks the device node as a gpio controller.
20- #gpio-cells : Should be two.  The first cell is the pin number and
21  the second cell is used to specify flags. See gpio.txt for possible
22  values.
23
24Example for a MMP platform:
25
26	gpio: gpio@d4019000 {
27		compatible = "marvell,mmp-gpio";
28		reg = <0xd4019000 0x1000>;
29		interrupts = <49>;
30		interrupt-names = "gpio_mux";
31		gpio-controller;
32		#gpio-cells = <2>;
33		interrupt-controller;
34		#interrupt-cells = <1>;
35      };
36
37Example for a PXA3xx platform:
38
39	gpio: gpio@40e00000 {
40		compatible = "intel,pxa3xx-gpio";
41		reg = <0x40e00000 0x10000>;
42		interrupt-names = "gpio0", "gpio1", "gpio_mux";
43		interrupts = <8 9 10>;
44		gpio-controller;
45		#gpio-cells = <0x2>;
46		interrupt-controller;
47		#interrupt-cells = <0x2>;
48	};
49