1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#" 5$schema: "http://devicetree.org/meta-schemas/core.yaml#" 6 7title: Loongson PCH PIC Controller 8 9maintainers: 10 - Jiaxun Yang <jiaxun.yang@flygoat.com> 11 12description: 13 This interrupt controller is found in the Loongson LS7A family of PCH for 14 transforming interrupts from on-chip devices into HyperTransport vectorized 15 interrupts. 16 17properties: 18 compatible: 19 const: loongson,pch-pic-1.0 20 21 reg: 22 maxItems: 1 23 24 loongson,pic-base-vec: 25 description: 26 u32 value of the base of parent HyperTransport vector allocated 27 to PCH PIC. 28 $ref: "/schemas/types.yaml#/definitions/uint32" 29 minimum: 0 30 maximum: 192 31 32 interrupt-controller: true 33 34 '#interrupt-cells': 35 const: 2 36 37required: 38 - compatible 39 - reg 40 - loongson,pic-base-vec 41 - interrupt-controller 42 - '#interrupt-cells' 43 44additionalProperties: false 45 46examples: 47 - | 48 #include <dt-bindings/interrupt-controller/irq.h> 49 pic: interrupt-controller@10000000 { 50 compatible = "loongson,pch-pic-1.0"; 51 reg = <0x10000000 0x400>; 52 interrupt-controller; 53 #interrupt-cells = <2>; 54 loongson,pic-base-vec = <64>; 55 interrupt-parent = <&htvec>; 56 }; 57... 58