Messages in this thread Patch in this message | | | From | Talel Shenhar <> | Subject | [PATCH v4 1/2] dt-bindings: interrupt-controller: Amazon's Annapurna Labs FIC | Date | Mon, 10 Jun 2019 11:34:42 +0300 |
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Document Amazon's Annapurna Labs Fabric Interrupt Controller SoC binding.
Signed-off-by: Talel Shenhar <talel@amazon.com> --- .../interrupt-controller/amazon,al-fic.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt
diff --git a/Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt b/Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt new file mode 100644 index 0000000..4e82fd5 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt @@ -0,0 +1,29 @@ +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. + First cell defines the index of the interrupt within the controller. + Second cell is used to specify the trigger type and must be one of the + following: + - bits[3:0] trigger type and level flags + 1 = low-to-high edge triggered + 4 = active high level-sensitive +- interrupt-parent: specifies the parent interrupt controller. +- 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 + +Example: + +amazon_fic: interrupt-controller@0xfd8a8500 { + 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>; +}; -- 2.7.4
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