1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/hisilicon,phy-hi3670-pcie.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: HiSilicon Kirin970 PCIe PHY
8
9maintainers:
10  - Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
11
12description: |+
13  Bindings for PCIe PHY on HiSilicon Kirin 970.
14
15properties:
16  compatible:
17    const: hisilicon,hi970-pcie-phy
18
19  "#phy-cells":
20    const: 0
21
22  reg:
23    maxItems: 1
24    description: PHY Control registers
25
26  phy-supply:
27    description: The PCIe PHY power supply
28
29  clocks:
30    items:
31      - description: PCIe PHY clock
32      - description: PCIe AUX clock
33      - description: PCIe APB PHY clock
34      - description: PCIe APB SYS clock
35      - description: PCIe ACLK clock
36
37  clock-names:
38    items:
39      - const: phy_ref
40      - const: aux
41      - const: apb_phy
42      - const: apb_sys
43      - const: aclk
44
45  hisilicon,eye-diagram-param:
46    $ref: /schemas/types.yaml#/definitions/uint32-array
47    description: Eye diagram for phy.
48
49required:
50  - "#phy-cells"
51  - compatible
52  - reg
53  - clocks
54  - clock-names
55  - hisilicon,eye-diagram-param
56  - phy-supply
57
58additionalProperties: false
59
60examples:
61  - |
62    #include <dt-bindings/clock/hi3670-clock.h>
63
64    soc {
65      #address-cells = <2>;
66      #size-cells = <2>;
67      pcie_phy: pcie-phy@fc000000 {
68        compatible = "hisilicon,hi970-pcie-phy";
69        reg = <0x0 0xfc000000 0x0 0x80000>;
70        #phy-cells = <0>;
71        phy-supply = <&ldo33>;
72        clocks = <&crg_ctrl HI3670_CLK_GATE_PCIEPHY_REF>,
73                 <&crg_ctrl HI3670_CLK_GATE_PCIEAUX>,
74                 <&crg_ctrl HI3670_PCLK_GATE_PCIE_PHY>,
75                 <&crg_ctrl HI3670_PCLK_GATE_PCIE_SYS>,
76                 <&crg_ctrl HI3670_ACLK_GATE_PCIE>;
77        clock-names = "phy_ref", "aux",
78                      "apb_phy", "apb_sys", "aclk";
79        hisilicon,eye-diagram-param = <0xffffffff 0xffffffff
80                                       0xffffffff 0xffffffff 0xffffffff>;
81      };
82    };
83