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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2020-05-28 23:27:52 +0800 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-05-29 09:42:18 +0100 |
| commit | b6e4bc125fc517969f97d901b1845ebf47bbea26 (patch) | |
| tree | dc7c58475fc3b28026830e76137a2c61b6307ab9 /Documentation | |
| parent | ef8c01eb64ca6719da449dab0aa9424e13c58bd0 (diff) | |
dt-bindings: interrupt-controller: Add Loongson PCH PIC
Add binding for Loongson PCH PIC Controller.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200528152757.1028711-5-jiaxun.yang@flygoat.com
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml new file mode 100644 index 000000000000..274adea13f33 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Loongson PCH PIC Controller + +maintainers: + - Jiaxun Yang <jiaxun.yang@flygoat.com> + +description: + This interrupt controller is found in the Loongson LS7A family of PCH for + transforming interrupts from on-chip devices into HyperTransport vectorized + interrupts. + +properties: + compatible: + const: loongson,pch-pic-1.0 + + reg: + maxItems: 1 + + loongson,pic-base-vec: + description: + u32 value of the base of parent HyperTransport vector allocated + to PCH PIC. + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - minimum: 0 + maximum: 192 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + +required: + - compatible + - reg + - loongson,pic-base-vec + - interrupt-controller + - '#interrupt-cells' + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + pic: interrupt-controller@10000000 { + compatible = "loongson,pch-pic-1.0"; + reg = <0x10000000 0x400>; + interrupt-controller; + #interrupt-cells = <2>; + loongson,pic-base-vec = <64>; + interrupt-parent = <&htvec>; + }; +... |