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1* Marvell MMP Interrupt controller
2
3Required properties:
4- compatible : Should be "mrvl,mmp-intc", "mrvl,mmp2-intc" or
5 "mrvl,mmp2-mux-intc"
6- reg : Address and length of the register set of the interrupt controller.
7 If the interrupt controller is intc, address and length means the range
8 of the whold interrupt controller. If the interrupt controller is mux-intc,
9 address and length means one register. Since address of mux-intc is in the
10 range of intc. mux-intc is secondary interrupt controller.
11- reg-names : Name of the register set of the interrupt controller. It's
12 only required in mux-intc interrupt controller.
13- interrupts : Should be the port interrupt shared by mux interrupts. It's
14 only required in mux-intc interrupt controller.
15- interrupt-controller : Identifies the node as an interrupt controller.
16- #interrupt-cells : Specifies the number of cells needed to encode an
17 interrupt source.
18- mrvl,intc-nr-irqs : Specifies the number of interrupts in the interrupt
19 controller.
20- mrvl,clr-mfp-irq : Specifies the interrupt that needs to clear MFP edge
21 detection first.
22
23Example:
24 intc: interrupt-controller@d4282000 {
25 compatible = "mrvl,mmp2-intc";
26 interrupt-controller;
27 #interrupt-cells = <1>;
28 reg = <0xd4282000 0x1000>;
29 mrvl,intc-nr-irqs = <64>;
30 };
31
32 intcmux4@d4282150 {
33 compatible = "mrvl,mmp2-mux-intc";
34 interrupts = <4>;
35 interrupt-controller;
36 #interrupt-cells = <1>;
37 reg = <0x150 0x4>, <0x168 0x4>;
38 reg-names = "mux status", "mux mask";
39 mrvl,intc-nr-irqs = <2>;
40 };
41
42* Marvell Orion Interrupt controller
43
44Required properties
45- compatible : Should be "marvell,orion-intc".
46- #interrupt-cells: Specifies the number of cells needed to encode an
47 interrupt source. Supported value is <1>.
48- interrupt-controller : Declare this node to be an interrupt controller.
49- reg : Interrupt mask address. A list of 4 byte ranges, one per controller.
50 One entry in the list represents 32 interrupts.
51
52Example:
53
54 intc: interrupt-controller {
55 compatible = "marvell,orion-intc", "marvell,intc";
56 interrupt-controller;
57 #interrupt-cells = <1>;
58 reg = <0xfed20204 0x04>,
59 <0xfed20214 0x04>;
60 };