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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/interrupt-controller/loongson,pch-msi.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Loongson PCH MSI Controller8 9maintainers:10 - Jiaxun Yang <jiaxun.yang@flygoat.com>11 12description:13 This interrupt controller is found in the Loongson LS7A family of PCH for14 transforming interrupts from PCIe MSI into HyperTransport vectorized15 interrupts.16 17properties:18 compatible:19 const: loongson,pch-msi-1.020 21 reg:22 maxItems: 123 24 loongson,msi-base-vec:25 description:26 u32 value of the base of parent HyperTransport vector allocated27 to PCH MSI.28 $ref: /schemas/types.yaml#/definitions/uint3229 minimum: 030 maximum: 25531 32 loongson,msi-num-vecs:33 description:34 u32 value of the number of parent HyperTransport vectors allocated35 to PCH MSI.36 $ref: /schemas/types.yaml#/definitions/uint3237 minimum: 138 maximum: 25639 40 msi-controller: true41 42required:43 - compatible44 - reg45 - msi-controller46 - loongson,msi-base-vec47 - loongson,msi-num-vecs48 49additionalProperties: true # fixme50 51examples:52 - |53 #include <dt-bindings/interrupt-controller/irq.h>54 msi: msi-controller@2ff00000 {55 compatible = "loongson,pch-msi-1.0";56 reg = <0x2ff00000 0x4>;57 msi-controller;58 loongson,msi-base-vec = <64>;59 loongson,msi-num-vecs = <64>;60 interrupt-parent = <&htvec>;61 };62...63