1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pci/starfive,jh7110-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: StarFive JH7110 PCIe host controller
8
9 maintainers:
10 - Kevin Xie <kevin.xie@starfivetech.com>
11
12 allOf:
13 - $ref: plda,xpressrich3-axi-common.yaml#
14
15 properties:
16 compatible:
17 const: starfive,jh7110-pcie
18
19 clocks:
20 items:
21 - description: NOC bus clock
22 - description: Transport layer clock
23 - description: AXI MST0 clock
24 - description: APB clock
25
26 clock-names:
27 items:
28 - const: noc
29 - const: tl
30 - const: axi_mst0
31 - const: apb
32
33 resets:
34 items:
35 - description: AXI MST0 reset
36 - description: AXI SLAVE0 reset
37 - description: AXI SLAVE reset
38 - description: PCIE BRIDGE reset
39 - description: PCIE CORE reset
40 - description: PCIE APB reset
41
42 reset-names:
43 items:
44 - const: mst0
45 - const: slv0
46 - const: slv
47 - const: brg
48 - const: core
49 - const: apb
50
51 starfive,stg-syscon:
52 $ref: /schemas/types.yaml#/definitions/phandle-array
53 description:
54 The phandle to System Register Controller syscon node.
55
56 perst-gpios:
57 description: GPIO controlled connection to PERST# signal
58 maxItems: 1
59
60 phys:
61 description:
62 Specified PHY is attached to PCIe controller.
63 maxItems: 1
64
65 required:
66 - clocks
67 - resets
68 - starfive,stg-syscon
69
70 unevaluatedProperties: false
71
72 examples:
73 - |
74 #include <dt-bindings/gpio/gpio.h>
75 soc {
76 #address-cells = <2>;
77 #size-cells = <2>;
78
79 pcie@940000000 {
80 compatible = "starfive,jh7110-pcie";
81 reg = <0x9 0x40000000 0x0 0x10000000>,
82 <0x0 0x2b000000 0x0 0x1000000>;
83 reg-names = "cfg", "apb";
84 #address-cells = <3>;
85 #size-cells = <2>;
86 #interrupt-cells = <1>;
87 device_type = "pci";
88 ranges = <0x82000000 0x0 0x30000000 0x0 0x30000000 0x0 0x08000000>,
89 <0xc3000000 0x9 0x00000000 0x9 0x00000000 0x0 0x40000000>;
90 starfive,stg-syscon = <&stg_syscon>;
91 bus-range = <0x0 0xff>;
92 interrupt-parent = <&plic>;
93 interrupts = <56>;
94 interrupt-map-mask = <0x0 0x0 0x0 0x7>;
95 interrupt-map = <0x0 0x0 0x0 0x1 &pcie_intc0 0x1>,
96 <0x0 0x0 0x0 0x2 &pcie_intc0 0x2>,
97 <0x0 0x0 0x0 0x3 &pcie_intc0 0x3>,
98 <0x0 0x0 0x0 0x4 &pcie_intc0 0x4>;
99 msi-controller;
100 clocks = <&syscrg 86>,
101 <&stgcrg 10>,
102 <&stgcrg 8>,
103 <&stgcrg 9>;
104 clock-names = "noc", "tl", "axi_mst0", "apb";
105 resets = <&stgcrg 11>,
106 <&stgcrg 12>,
107 <&stgcrg 13>,
108 <&stgcrg 14>,
109 <&stgcrg 15>,
110 <&stgcrg 16>;
111 perst-gpios = <&gpios 26 GPIO_ACTIVE_LOW>;
112 phys = <&pciephy0>;
113
114 pcie_intc0: interrupt-controller {
115 #address-cells = <0>;
116 #interrupt-cells = <1>;
117 interrupt-controller;
118 };
119 };
120 };
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