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Venkata Narendra Kumar Gutta b0e5152a74 dt-bindings: Add devicetree bindings to devicetree project
Add devicetree bindings snapshot to the devicetree project.
This snapshot is taken as of the
'commit 5fba1b18cfc72e264e5f3ce49020ed322aa6ac9f ("Merge 5.6-rc3
into android-mainline")' of the kernel project.

Change-Id: Ia087ab2b7d4a2616ea446a69683a8b5b821d0448
2020-05-07 20:43:53 -07:00

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Amazon's Annapurna Labs Fabric Interrupt Controller
Required properties:
- compatible: should be "amazon,al-fic"
- reg: physical base address and size of the registers
- interrupt-controller: identifies the node as an interrupt controller
- #interrupt-cells : must be 2. Specifies the number of cells needed to encode
an interrupt source. Supported trigger types are low-to-high edge
triggered and active high level-sensitive.
- interrupts: describes which input line in the interrupt parent, this
fic's output is connected to. This field property depends on the parent's
binding
Please refer to interrupts.txt in this directory for details of the common
Interrupt Controllers bindings used by client devices.
Example:
amazon_fic: interrupt-controller@fd8a8500 {
compatible = "amazon,al-fic";
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x0 0xfd8a8500 0x0 0x1000>;
interrupt-parent = <&gic>;
interrupts = <GIC_SPI 0x0 IRQ_TYPE_LEVEL_HIGH>;
};