diff options
author | Talel Shenhar <talel@amazon.com> | 2019-06-10 11:34:42 +0300 |
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committer | Marc Zyngier <marc.zyngier@arm.com> | 2019-07-03 11:18:34 +0300 |
commit | 74b5150cde45ab29ee332a3d1e770c00431f7993 (patch) | |
tree | 92d3fd1f90da290c92f71f5542ac665e67331608 /Documentation/devicetree/bindings/interrupt-controller | |
parent | 0bdd0047ec949661b61692198dc1773d99694d1c (diff) | |
download | linux-74b5150cde45ab29ee332a3d1e770c00431f7993.tar.xz |
dt-bindings: interrupt-controller: Add Amazon's Annapurna Labs FIC
Document Amazon's Annapurna Labs Fabric Interrupt Controller SoC binding.
Signed-off-by: Talel Shenhar <talel@amazon.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'Documentation/devicetree/bindings/interrupt-controller')
-rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/amazon,al-fic.txt | 29 |
1 files changed, 29 insertions, 0 deletions
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 000000000000..4e82fd575cec --- /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>; +}; |