1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pci/fsl,lay
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Freescale Layerscape PCIe Endpoint(EP)
8
9 maintainers:
10 - Frank Li <Frank.Li@nxp.com>
11
12 description:
13 This PCIe EP controller is based on the Syno
14
15 This controller derives its clocks from the
16 which is used to describe the PLL settings a
17
18 Also as per the available Reference Manuals,
19 register available in the Freescale PCIe con
20 which can allow determining the underlying D
21 information.
22
23 properties:
24 compatible:
25 enum:
26 - fsl,ls2088a-pcie-ep
27 - fsl,ls1088a-pcie-ep
28 - fsl,ls1046a-pcie-ep
29 - fsl,ls1028a-pcie-ep
30 - fsl,lx2160ar2-pcie-ep
31
32 reg:
33 maxItems: 2
34
35 reg-names:
36 items:
37 - const: regs
38 - const: addr_space
39
40 fsl,pcie-scfg:
41 $ref: /schemas/types.yaml#/definitions/pha
42 description: A phandle to the SCFG device
43 physical PCIe controller index starting
44 SCFG PEXN registers.
45
46 big-endian:
47 $ref: /schemas/types.yaml#/definitions/fla
48 description: If the PEX_LUT and PF registe
49 this property.
50
51 dma-coherent: true
52
53 interrupts:
54 minItems: 1
55 maxItems: 2
56
57 interrupt-names:
58 minItems: 1
59 maxItems: 2
60
61 required:
62 - compatible
63 - reg
64 - reg-names
65
66 allOf:
67 - if:
68 properties:
69 compatible:
70 enum:
71 - fsl,ls1028a-pcie-ep
72 - fsl,ls1046a-pcie-ep
73 - fsl,ls1088a-pcie-ep
74 then:
75 properties:
76 interrupt-names:
77 items:
78 - const: pme
79
80 unevaluatedProperties: false
81
82 examples:
83 - |
84 #include <dt-bindings/interrupt-controller
85
86 soc {
87 #address-cells = <2>;
88 #size-cells = <2>;
89
90 pcie_ep1: pcie-ep@3400000 {
91 compatible = "fsl,ls1028a-pcie-ep";
92 reg = <0x00 0x03400000 0x0 0x00100000
93 0x80 0x00000000 0x8 0x00000000>;
94 reg-names = "regs", "addr_space";
95 interrupts = <GIC_SPI 108 IRQ_TYPE_LEV
96 interrupt-names = "pme";
97 num-ib-windows = <6>;
98 num-ob-windows = <8>;
99 status = "disabled";
100 };
101 };
102 ...
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