1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pci/apple,p
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Apple PCIe host controller
8
9 maintainers:
10 - Mark Kettenis <kettenis@openbsd.org>
11
12 description: |
13 The Apple PCIe host controller is a PCIe hos
14 multiple root ports present in Apple ARM SoC
15 various iPhone and iPad devices and the "App
16 The controller incorporates Synopsys DesigWa
17 implements its root ports. But the ATU foun
18 PCIe host bridges is absent.
19
20 All root ports share a single ECAM space, bu
21 used to take the PCI devices on those ports
22 the standard "reset-gpios" and "max-link-spe
23 the child nodes that represent the PCI bridg
24 the individual root ports.
25
26 MSIs are handled by the PCIe controller and
27 interrupts. A range of 32 MSIs is provided.
28 distributed over the root ports as the OS se
29 the PCIe controller's port registers.
30
31 properties:
32 compatible:
33 items:
34 - enum:
35 - apple,t8103-pcie
36 - apple,t8112-pcie
37 - apple,t6000-pcie
38 - const: apple,pcie
39
40 reg:
41 minItems: 3
42 maxItems: 6
43
44 reg-names:
45 minItems: 3
46 items:
47 - const: config
48 - const: rc
49 - const: port0
50 - const: port1
51 - const: port2
52 - const: port3
53
54 ranges:
55 minItems: 2
56 maxItems: 2
57
58 interrupts:
59 description:
60 Interrupt specifiers, one for each root
61 minItems: 1
62 maxItems: 4
63
64 msi-parent: true
65
66 msi-ranges:
67 maxItems: 1
68
69 iommu-map: true
70 iommu-map-mask: true
71
72 power-domains:
73 maxItems: 1
74
75 required:
76 - compatible
77 - reg
78 - reg-names
79 - bus-range
80 - interrupts
81 - msi-controller
82 - msi-parent
83 - msi-ranges
84
85 unevaluatedProperties: false
86
87 allOf:
88 - $ref: /schemas/pci/pci-host-bridge.yaml#
89 - $ref: /schemas/interrupt-controller/msi-co
90 - if:
91 properties:
92 compatible:
93 contains:
94 const: apple,t8103-pcie
95 then:
96 properties:
97 reg:
98 maxItems: 5
99 interrupts:
100 maxItems: 3
101
102 examples:
103 - |
104 #include <dt-bindings/interrupt-controller
105
106 soc {
107 #address-cells = <2>;
108 #size-cells = <2>;
109
110 pcie0: pcie@690000000 {
111 compatible = "apple,t8103-pcie", "appl
112 device_type = "pci";
113
114 reg = <0x6 0x90000000 0x0 0x1000000>,
115 <0x6 0x80000000 0x0 0x100000>,
116 <0x6 0x81000000 0x0 0x4000>,
117 <0x6 0x82000000 0x0 0x4000>,
118 <0x6 0x83000000 0x0 0x4000>;
119 reg-names = "config", "rc", "port0", "
120
121 interrupt-parent = <&aic>;
122 interrupts = <AIC_IRQ 695 IRQ_TYPE_LEV
123 <AIC_IRQ 698 IRQ_TYPE_LEV
124 <AIC_IRQ 701 IRQ_TYPE_LEV
125
126 msi-controller;
127 msi-parent = <&pcie0>;
128 msi-ranges = <&aic AIC_IRQ 704 IRQ_TYP
129
130 iommu-map = <0x100 &dart0 1 1>,
131 <0x200 &dart1 1 1>,
132 <0x300 &dart2 1 1>;
133 iommu-map-mask = <0xff00>;
134
135 bus-range = <0 3>;
136 #address-cells = <3>;
137 #size-cells = <2>;
138 ranges = <0x43000000 0x6 0xa0000000 0x
139 <0x02000000 0x0 0xc0000000 0x
140
141 power-domains = <&ps_apcie_gp>;
142 pinctrl-0 = <&pcie_pins>;
143 pinctrl-names = "default";
144
145 pci@0,0 {
146 device_type = "pci";
147 reg = <0x0 0x0 0x0 0x0 0x0>;
148 reset-gpios = <&pinctrl_ap 152 0>;
149
150 #address-cells = <3>;
151 #size-cells = <2>;
152 ranges;
153 };
154
155 pci@1,0 {
156 device_type = "pci";
157 reg = <0x800 0x0 0x0 0x0 0x0>;
158 reset-gpios = <&pinctrl_ap 153 0>;
159
160 #address-cells = <3>;
161 #size-cells = <2>;
162 ranges;
163 };
164
165 pci@2,0 {
166 device_type = "pci";
167 reg = <0x1000 0x0 0x0 0x0 0x0>;
168 reset-gpios = <&pinctrl_ap 33 0>;
169
170 #address-cells = <3>;
171 #size-cells = <2>;
172 ranges;
173 };
174 };
175 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.