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62 lines
1.4 KiB
62 lines
1.4 KiB
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-msi.yaml#" |
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$schema: "http://devicetree.org/meta-schemas/core.yaml#" |
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title: Loongson PCH MSI Controller |
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maintainers: |
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- Jiaxun Yang <[email protected]> |
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description: |
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This interrupt controller is found in the Loongson LS7A family of PCH for |
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transforming interrupts from PCIe MSI into HyperTransport vectorized |
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interrupts. |
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properties: |
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compatible: |
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const: loongson,pch-msi-1.0 |
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reg: |
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maxItems: 1 |
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loongson,msi-base-vec: |
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description: |
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u32 value of the base of parent HyperTransport vector allocated |
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to PCH MSI. |
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$ref: "/schemas/types.yaml#/definitions/uint32" |
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minimum: 0 |
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maximum: 255 |
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loongson,msi-num-vecs: |
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description: |
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u32 value of the number of parent HyperTransport vectors allocated |
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to PCH MSI. |
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$ref: "/schemas/types.yaml#/definitions/uint32" |
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minimum: 1 |
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maximum: 256 |
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msi-controller: true |
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required: |
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- compatible |
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- reg |
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- msi-controller |
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- loongson,msi-base-vec |
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- loongson,msi-num-vecs |
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additionalProperties: true #fixme |
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examples: |
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- | |
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#include <dt-bindings/interrupt-controller/irq.h> |
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msi: msi-controller@2ff00000 { |
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compatible = "loongson,pch-msi-1.0"; |
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reg = <0x2ff00000 0x4>; |
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msi-controller; |
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loongson,msi-base-vec = <64>; |
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loongson,msi-num-vecs = <64>; |
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interrupt-parent = <&htvec>; |
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}; |
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...
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