xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/phy/socionext,uniphier-pcie-phy.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: Socionext UniPhier PCIe PHY
8*4882a593Smuzhiyun
9*4882a593Smuzhiyundescription: |
10*4882a593Smuzhiyun  This describes the devicetree bindings for PHY interface built into
11*4882a593Smuzhiyun  PCIe controller implemented on Socionext UniPhier SoCs.
12*4882a593Smuzhiyun
13*4882a593Smuzhiyunmaintainers:
14*4882a593Smuzhiyun  - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyunproperties:
17*4882a593Smuzhiyun  compatible:
18*4882a593Smuzhiyun    enum:
19*4882a593Smuzhiyun      - socionext,uniphier-pro5-pcie-phy
20*4882a593Smuzhiyun      - socionext,uniphier-ld20-pcie-phy
21*4882a593Smuzhiyun      - socionext,uniphier-pxs3-pcie-phy
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun  reg:
24*4882a593Smuzhiyun    description: PHY register region (offset and length)
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun  "#phy-cells":
27*4882a593Smuzhiyun    const: 0
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun  clocks:
30*4882a593Smuzhiyun    minItems: 1
31*4882a593Smuzhiyun    maxItems: 2
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun  clock-names:
34*4882a593Smuzhiyun    oneOf:
35*4882a593Smuzhiyun      - items:            # for Pro5
36*4882a593Smuzhiyun          - const: gio
37*4882a593Smuzhiyun          - const: link
38*4882a593Smuzhiyun      - const: link       # for others
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun  resets:
41*4882a593Smuzhiyun    minItems: 1
42*4882a593Smuzhiyun    maxItems: 2
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun  reset-names:
45*4882a593Smuzhiyun    oneOf:
46*4882a593Smuzhiyun      - items:            # for Pro5
47*4882a593Smuzhiyun          - const: gio
48*4882a593Smuzhiyun          - const: link
49*4882a593Smuzhiyun      - const: link       # for others
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun  socionext,syscon:
52*4882a593Smuzhiyun    $ref: /schemas/types.yaml#/definitions/phandle
53*4882a593Smuzhiyun    description: A phandle to system control to set configurations for phy
54*4882a593Smuzhiyun
55*4882a593Smuzhiyunrequired:
56*4882a593Smuzhiyun  - compatible
57*4882a593Smuzhiyun  - reg
58*4882a593Smuzhiyun  - "#phy-cells"
59*4882a593Smuzhiyun  - clocks
60*4882a593Smuzhiyun  - clock-names
61*4882a593Smuzhiyun  - resets
62*4882a593Smuzhiyun  - reset-names
63*4882a593Smuzhiyun
64*4882a593SmuzhiyunadditionalProperties: false
65*4882a593Smuzhiyun
66*4882a593Smuzhiyunexamples:
67*4882a593Smuzhiyun  - |
68*4882a593Smuzhiyun    pcie_phy: phy@66038000 {
69*4882a593Smuzhiyun        compatible = "socionext,uniphier-ld20-pcie-phy";
70*4882a593Smuzhiyun        reg = <0x66038000 0x4000>;
71*4882a593Smuzhiyun        #phy-cells = <0>;
72*4882a593Smuzhiyun        clock-names = "link";
73*4882a593Smuzhiyun        clocks = <&sys_clk 24>;
74*4882a593Smuzhiyun        reset-names = "link";
75*4882a593Smuzhiyun        resets = <&sys_rst 24>;
76*4882a593Smuzhiyun        socionext,syscon = <&soc_glue>;
77*4882a593Smuzhiyun    };
78