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-rw-r--r--kernel/Documentation/devicetree/bindings/arm/mrvl/intc.txt60
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-* Marvell MMP Interrupt controller
-
-Required properties:
-- compatible : Should be "mrvl,mmp-intc", "mrvl,mmp2-intc" or
- "mrvl,mmp2-mux-intc"
-- reg : Address and length of the register set of the interrupt controller.
- If the interrupt controller is intc, address and length means the range
- of the whold interrupt controller. If the interrupt controller is mux-intc,
- address and length means one register. Since address of mux-intc is in the
- range of intc. mux-intc is secondary interrupt controller.
-- reg-names : Name of the register set of the interrupt controller. It's
- only required in mux-intc interrupt controller.
-- interrupts : Should be the port interrupt shared by mux interrupts. It's
- only required in mux-intc interrupt controller.
-- interrupt-controller : Identifies the node as an interrupt controller.
-- #interrupt-cells : Specifies the number of cells needed to encode an
- interrupt source.
-- mrvl,intc-nr-irqs : Specifies the number of interrupts in the interrupt
- controller.
-- mrvl,clr-mfp-irq : Specifies the interrupt that needs to clear MFP edge
- detection first.
-
-Example:
- intc: interrupt-controller@d4282000 {
- compatible = "mrvl,mmp2-intc";
- interrupt-controller;
- #interrupt-cells = <1>;
- reg = <0xd4282000 0x1000>;
- mrvl,intc-nr-irqs = <64>;
- };
-
- intcmux4@d4282150 {
- compatible = "mrvl,mmp2-mux-intc";
- interrupts = <4>;
- interrupt-controller;
- #interrupt-cells = <1>;
- reg = <0x150 0x4>, <0x168 0x4>;
- reg-names = "mux status", "mux mask";
- mrvl,intc-nr-irqs = <2>;
- };
-
-* Marvell Orion Interrupt controller
-
-Required properties
-- compatible : Should be "marvell,orion-intc".
-- #interrupt-cells: Specifies the number of cells needed to encode an
- interrupt source. Supported value is <1>.
-- interrupt-controller : Declare this node to be an interrupt controller.
-- reg : Interrupt mask address. A list of 4 byte ranges, one per controller.
- One entry in the list represents 32 interrupts.
-
-Example:
-
- intc: interrupt-controller {
- compatible = "marvell,orion-intc", "marvell,intc";
- interrupt-controller;
- #interrupt-cells = <1>;
- reg = <0xfed20204 0x04>,
- <0xfed20214 0x04>;
- };