1da10a4b6SJiaxun Yang# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2da10a4b6SJiaxun Yang%YAML 1.2 3da10a4b6SJiaxun Yang--- 4*43d78445SRob Herring$id: http://devicetree.org/schemas/interrupt-controller/loongson,pch-msi.yaml# 5*43d78445SRob Herring$schema: http://devicetree.org/meta-schemas/core.yaml# 6da10a4b6SJiaxun Yang 7da10a4b6SJiaxun Yangtitle: Loongson PCH MSI Controller 8da10a4b6SJiaxun Yang 9da10a4b6SJiaxun Yangmaintainers: 10da10a4b6SJiaxun Yang - Jiaxun Yang <jiaxun.yang@flygoat.com> 11da10a4b6SJiaxun Yang 12da10a4b6SJiaxun Yangdescription: 13da10a4b6SJiaxun Yang This interrupt controller is found in the Loongson LS7A family of PCH for 14da10a4b6SJiaxun Yang transforming interrupts from PCIe MSI into HyperTransport vectorized 15da10a4b6SJiaxun Yang interrupts. 16da10a4b6SJiaxun Yang 17da10a4b6SJiaxun Yangproperties: 18da10a4b6SJiaxun Yang compatible: 19da10a4b6SJiaxun Yang const: loongson,pch-msi-1.0 20da10a4b6SJiaxun Yang 21da10a4b6SJiaxun Yang reg: 22da10a4b6SJiaxun Yang maxItems: 1 23da10a4b6SJiaxun Yang 24da10a4b6SJiaxun Yang loongson,msi-base-vec: 25da10a4b6SJiaxun Yang description: 26da10a4b6SJiaxun Yang u32 value of the base of parent HyperTransport vector allocated 27da10a4b6SJiaxun Yang to PCH MSI. 28*43d78445SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 29086e9074SRob Herring minimum: 0 30da10a4b6SJiaxun Yang maximum: 255 31da10a4b6SJiaxun Yang 32da10a4b6SJiaxun Yang loongson,msi-num-vecs: 33da10a4b6SJiaxun Yang description: 34da10a4b6SJiaxun Yang u32 value of the number of parent HyperTransport vectors allocated 35da10a4b6SJiaxun Yang to PCH MSI. 36*43d78445SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 37086e9074SRob Herring minimum: 1 38da10a4b6SJiaxun Yang maximum: 256 39da10a4b6SJiaxun Yang 40da10a4b6SJiaxun Yang msi-controller: true 41da10a4b6SJiaxun Yang 42da10a4b6SJiaxun Yangrequired: 43da10a4b6SJiaxun Yang - compatible 44da10a4b6SJiaxun Yang - reg 45da10a4b6SJiaxun Yang - msi-controller 46da10a4b6SJiaxun Yang - loongson,msi-base-vec 47da10a4b6SJiaxun Yang - loongson,msi-num-vecs 48da10a4b6SJiaxun Yang 495be478f9SRob HerringadditionalProperties: true # fixme 505be478f9SRob Herring 51da10a4b6SJiaxun Yangexamples: 52da10a4b6SJiaxun Yang - | 53da10a4b6SJiaxun Yang #include <dt-bindings/interrupt-controller/irq.h> 54da10a4b6SJiaxun Yang msi: msi-controller@2ff00000 { 55da10a4b6SJiaxun Yang compatible = "loongson,pch-msi-1.0"; 56da10a4b6SJiaxun Yang reg = <0x2ff00000 0x4>; 57da10a4b6SJiaxun Yang msi-controller; 58da10a4b6SJiaxun Yang loongson,msi-base-vec = <64>; 59da10a4b6SJiaxun Yang loongson,msi-num-vecs = <64>; 60da10a4b6SJiaxun Yang interrupt-parent = <&htvec>; 61da10a4b6SJiaxun Yang }; 62da10a4b6SJiaxun Yang... 63