xref: /linux/Documentation/devicetree/bindings/phy/starfive,jh7110-pcie-phy.yaml (revision 8c994eff8fcfe8ecb1f1dbebed25b4d7bb75be12) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/starfive,jh7110-pcie-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: StarFive JH7110 PCIe 2.0 PHY
8
9maintainers:
10  - Minda Chen <minda.chen@starfivetech.com>
11
12properties:
13  compatible:
14    const: starfive,jh7110-pcie-phy
15
16  reg:
17    maxItems: 1
18
19  "#phy-cells":
20    const: 0
21
22  starfive,sys-syscon:
23    $ref: /schemas/types.yaml#/definitions/phandle-array
24    items:
25      - items:
26          - description: phandle to System Register Controller sys_syscon node.
27          - description: PHY connect offset of SYS_SYSCONSAIF__SYSCFG register for USB PHY.
28    description:
29      The phandle to System Register Controller syscon node and the PHY connect offset
30      of SYS_SYSCONSAIF__SYSCFG register. Connect PHY to USB3 controller.
31
32  starfive,stg-syscon:
33    $ref: /schemas/types.yaml#/definitions/phandle-array
34    items:
35      - items:
36          - description: phandle to System Register Controller stg_syscon node.
37          - description: PHY mode offset of STG_SYSCONSAIF__SYSCFG register.
38          - description: PHY enable for USB offset of STG_SYSCONSAIF__SYSCFG register.
39    description:
40      The phandle to System Register Controller syscon node and the offset
41      of STG_SYSCONSAIF__SYSCFG register for PCIe PHY. Total 2 regsisters offset.
42
43required:
44  - compatible
45  - reg
46  - "#phy-cells"
47
48additionalProperties: false
49
50examples:
51  - |
52    phy@10210000 {
53        compatible = "starfive,jh7110-pcie-phy";
54        reg = <0x10210000 0x10000>;
55        #phy-cells = <0>;
56        starfive,sys-syscon = <&sys_syscon 0x18>;
57        starfive,stg-syscon = <&stg_syscon 0x148 0x1f4>;
58    };
59