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-* Marvell PXA GPIO controller
-
-Required properties:
-- compatible : Should be "mrvl,pxa-gpio" or "mrvl,mmp-gpio"
-- reg : Address and length of the register set for the device
-- interrupts : Should be the port interrupt shared by all gpio pins.
- There're three gpio interrupts in arch-pxa, and they're gpio0,
- gpio1 and gpio_mux. There're only one gpio interrupt in arch-mmp,
- gpio_mux.
-- interrupt-name : Should be the name of irq resource. Each interrupt
- binds its interrupt-name.
-- interrupt-controller : Identifies the node as an interrupt controller.
-- #interrupt-cells: Specifies the number of cells needed to encode an
- interrupt source.
-- gpio-controller : Marks the device node as a gpio controller.
-- #gpio-cells : Should be one. It is the pin number.
-
-Example:
-
- gpio: gpio@d4019000 {
- compatible = "mrvl,mmp-gpio";
- reg = <0xd4019000 0x1000>;
- interrupts = <49>;
- interrupt-name = "gpio_mux";
- gpio-controller;
- #gpio-cells = <1>;
- interrupt-controller;
- #interrupt-cells = <1>;
- };