1* ARM Vectored Interrupt Controller
2
3One or more Vectored Interrupt Controllers (VIC's) can be connected in an ARM
4system for interrupt routing.  For multiple controllers they can either be
5nested or have the outputs wire-OR'd together.
6
7Required properties:
8
9- compatible : should be one of
10	"arm,pl190-vic"
11	"arm,pl192-vic"
12- interrupt-controller : Identifies the node as an interrupt controller
13- #interrupt-cells : The number of cells to define the interrupts.  Must be 1 as
14  the VIC has no configuration options for interrupt sources.  The cell is a u32
15  and defines the interrupt number.
16- reg : The register bank for the VIC.
17
18Optional properties:
19
20- interrupts : Interrupt source for parent controllers if the VIC is nested.
21- valid-mask : A one cell big bit mask of valid interrupt sources. Each bit
22  represents single interrupt source, starting from source 0 at LSb and ending
23  at source 31 at MSb. A bit that is set means that the source is wired and
24  clear means otherwise. If unspecified, defaults to all valid.
25- valid-wakeup-mask : A one cell big bit mask of interrupt sources that can be
26  configured as wake up source for the system. Order of bits is the same as for
27  valid-mask property. A set bit means that this interrupt source can be
28  configured as a wake up source for the system. If unspecied, defaults to all
29  interrupt sources configurable as wake up sources.
30
31Example:
32
33	vic0: interrupt-controller@60000 {
34		compatible = "arm,pl192-vic";
35		interrupt-controller;
36		#interrupt-cells = <1>;
37		reg = <0x60000 0x1000>;
38
39		valid-mask = <0xffffff7f>;
40		valid-wakeup-mask = <0x0000ff7f>;
41	};
42