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author | Jason Cooper <jason@lakedaemon.net> | 2016-02-21 15:47:04 +0100 |
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committer | Jason Cooper <jason@lakedaemon.net> | 2016-02-21 15:47:04 +0100 |
commit | 1ad9a57633e407f40a288ed1d8660fe06446a002 (patch) | |
tree | df396e02f8d1f52d5f9b29d8ec67042ddd7f7e1d /Documentation/devicetree/bindings/interrupt-controller | |
parent | Merge branch 'irqchip/mips' into irqchip/core (diff) | |
parent | irqchip/gic: Return IRQ_SET_MASK_OK_DONE in the set_affinity method (diff) | |
download | linux-1ad9a57633e407f40a288ed1d8660fe06446a002.tar.xz linux-1ad9a57633e407f40a288ed1d8660fe06446a002.zip |
Merge branch 'irqchip/mvebu' into irqchip/core
Diffstat (limited to 'Documentation/devicetree/bindings/interrupt-controller')
-rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/marvell,odmi-controller.txt | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/marvell,odmi-controller.txt b/Documentation/devicetree/bindings/interrupt-controller/marvell,odmi-controller.txt new file mode 100644 index 000000000000..252d5c9c31f9 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/marvell,odmi-controller.txt @@ -0,0 +1,41 @@ + +* Marvell ODMI for MSI support + +Some Marvell SoCs have an On-Die Message Interrupt (ODMI) controller +which can be used by on-board peripheral for MSI interrupts. + +Required properties: + +- compatible : The value here should contain "marvell,odmi-controller". + +- interrupt,controller : Identifies the node as an interrupt controller. + +- msi-controller : Identifies the node as an MSI controller. + +- marvell,odmi-frames : Number of ODMI frames available. Each frame + provides a number of events. + +- reg : List of register definitions, one for each + ODMI frame. + +- marvell,spi-base : List of GIC base SPI interrupts, one for each + ODMI frame. Those SPI interrupts are 0-based, + i.e marvell,spi-base = <128> will use SPI #96. + See Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt + for details about the GIC Device Tree binding. + +- interrupt-parent : Reference to the parent interrupt controller. + +Example: + + odmi: odmi@300000 { + compatible = "marvell,odmi-controller"; + interrupt-controller; + msi-controller; + marvell,odmi-frames = <4>; + reg = <0x300000 0x4000>, + <0x304000 0x4000>, + <0x308000 0x4000>, + <0x30C000 0x4000>; + marvell,spi-base = <128>, <136>, <144>, <152>; + }; |