sifive,fu740-pcie.yaml (3126B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pci/sifive,fu740-pcie.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: SiFive FU740 PCIe host controller 8 9description: |+ 10 SiFive FU740 PCIe host controller is based on the Synopsys DesignWare 11 PCI core. It shares common features with the PCIe DesignWare core and 12 inherits common properties defined in 13 Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml. 14 15maintainers: 16 - Paul Walmsley <paul.walmsley@sifive.com> 17 - Greentime Hu <greentime.hu@sifive.com> 18 19allOf: 20 - $ref: /schemas/pci/snps,dw-pcie.yaml# 21 22properties: 23 compatible: 24 const: sifive,fu740-pcie 25 26 reg: 27 maxItems: 3 28 29 reg-names: 30 items: 31 - const: dbi 32 - const: config 33 - const: mgmt 34 35 dma-coherent: true 36 37 num-lanes: 38 const: 8 39 40 msi-parent: true 41 42 interrupt-names: 43 items: 44 - const: msi 45 - const: inta 46 - const: intb 47 - const: intc 48 - const: intd 49 50 resets: 51 description: A phandle to the PCIe power up reset line. 52 maxItems: 1 53 54 pwren-gpios: 55 description: Should specify the GPIO for controlling the PCI bus device power on. 56 maxItems: 1 57 58 reset-gpios: 59 maxItems: 1 60 61required: 62 - dma-coherent 63 - num-lanes 64 - interrupts 65 - interrupt-names 66 - interrupt-map-mask 67 - interrupt-map 68 - clocks 69 - resets 70 - pwren-gpios 71 - reset-gpios 72 73unevaluatedProperties: false 74 75examples: 76 - | 77 bus { 78 #address-cells = <2>; 79 #size-cells = <2>; 80 #include <dt-bindings/clock/sifive-fu740-prci.h> 81 82 pcie@e00000000 { 83 compatible = "sifive,fu740-pcie"; 84 #address-cells = <3>; 85 #size-cells = <2>; 86 #interrupt-cells = <1>; 87 reg = <0xe 0x00000000 0x0 0x80000000>, 88 <0xd 0xf0000000 0x0 0x10000000>, 89 <0x0 0x100d0000 0x0 0x1000>; 90 reg-names = "dbi", "config", "mgmt"; 91 device_type = "pci"; 92 dma-coherent; 93 bus-range = <0x0 0xff>; 94 ranges = <0x81000000 0x0 0x60080000 0x0 0x60080000 0x0 0x10000>, /* I/O */ 95 <0x82000000 0x0 0x60090000 0x0 0x60090000 0x0 0xff70000>, /* mem */ 96 <0x82000000 0x0 0x70000000 0x0 0x70000000 0x0 0x1000000>, /* mem */ 97 <0xc3000000 0x20 0x00000000 0x20 0x00000000 0x20 0x00000000>; /* mem prefetchable */ 98 num-lanes = <0x8>; 99 interrupts = <56>, <57>, <58>, <59>, <60>, <61>, <62>, <63>, <64>; 100 interrupt-names = "msi", "inta", "intb", "intc", "intd"; 101 interrupt-parent = <&plic0>; 102 interrupt-map-mask = <0x0 0x0 0x0 0x7>; 103 interrupt-map = <0x0 0x0 0x0 0x1 &plic0 57>, 104 <0x0 0x0 0x0 0x2 &plic0 58>, 105 <0x0 0x0 0x0 0x3 &plic0 59>, 106 <0x0 0x0 0x0 0x4 &plic0 60>; 107 clocks = <&prci FU740_PRCI_CLK_PCIE_AUX>; 108 resets = <&prci 4>; 109 pwren-gpios = <&gpio 5 0>; 110 reset-gpios = <&gpio 8 0>; 111 }; 112 };