1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*4882a593Smuzhiyun%YAML 1.2 3*4882a593Smuzhiyun--- 4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/pci/loongson.yaml# 5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4882a593Smuzhiyun 7*4882a593Smuzhiyuntitle: Loongson PCI Host Controller 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunmaintainers: 10*4882a593Smuzhiyun - Jiaxun Yang <jiaxun.yang@flygoat.com> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyundescription: |+ 13*4882a593Smuzhiyun PCI host controller found on Loongson PCHs and SoCs. 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunallOf: 16*4882a593Smuzhiyun - $ref: /schemas/pci/pci-bus.yaml# 17*4882a593Smuzhiyun 18*4882a593Smuzhiyunproperties: 19*4882a593Smuzhiyun compatible: 20*4882a593Smuzhiyun oneOf: 21*4882a593Smuzhiyun - const: loongson,ls2k-pci 22*4882a593Smuzhiyun - const: loongson,ls7a-pci 23*4882a593Smuzhiyun - const: loongson,rs780e-pci 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun reg: 26*4882a593Smuzhiyun minItems: 1 27*4882a593Smuzhiyun maxItems: 2 28*4882a593Smuzhiyun items: 29*4882a593Smuzhiyun - description: CFG0 standard config space register 30*4882a593Smuzhiyun - description: CFG1 extended config space register 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun ranges: 33*4882a593Smuzhiyun minItems: 1 34*4882a593Smuzhiyun maxItems: 3 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun 37*4882a593Smuzhiyunrequired: 38*4882a593Smuzhiyun - compatible 39*4882a593Smuzhiyun - reg 40*4882a593Smuzhiyun - ranges 41*4882a593Smuzhiyun 42*4882a593SmuzhiyununevaluatedProperties: false 43*4882a593Smuzhiyun 44*4882a593Smuzhiyunexamples: 45*4882a593Smuzhiyun - | 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun bus { 48*4882a593Smuzhiyun #address-cells = <2>; 49*4882a593Smuzhiyun #size-cells = <2>; 50*4882a593Smuzhiyun pcie@1a000000 { 51*4882a593Smuzhiyun compatible = "loongson,rs780e-pci"; 52*4882a593Smuzhiyun device_type = "pci"; 53*4882a593Smuzhiyun #address-cells = <3>; 54*4882a593Smuzhiyun #size-cells = <2>; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun // CPU_PHYSICAL(2) SIZE(2) 57*4882a593Smuzhiyun reg = <0x0 0x1a000000 0x0 0x2000000>; 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun // BUS_ADDRESS(3) CPU_PHYSICAL(2) SIZE(2) 60*4882a593Smuzhiyun ranges = <0x01000000 0x0 0x00004000 0x0 0x00004000 0x0 0x00004000>, 61*4882a593Smuzhiyun <0x02000000 0x0 0x40000000 0x0 0x40000000 0x0 0x40000000>; 62*4882a593Smuzhiyun }; 63*4882a593Smuzhiyun }; 64*4882a593Smuzhiyun... 65