xref: /linux/Documentation/devicetree/bindings/phy/qcom,m31-eusb2-phy.yaml (revision 3a2c4d55e32ad65efebdb6de44eef3bfa08bb49d) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/qcom,m31-eusb2-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm M31 eUSB2 phy
8
9maintainers:
10  - Wesley Cheng <quic_wcheng@quicinc.com>
11
12description:
13  M31 based eUSB2 controller, which supports LS/FS/HS usb connectivity
14  on Qualcomm chipsets.  It is paired with a eUSB2 repeater.
15
16properties:
17  compatible:
18    oneOf:
19      - items:
20          - enum:
21              - qcom,glymur-m31-eusb2-phy
22              - qcom,hawi-m31-eusb2-phy
23              - qcom,kaanapali-m31-eusb2-phy
24          - const: qcom,sm8750-m31-eusb2-phy
25      - const: qcom,sm8750-m31-eusb2-phy
26
27  reg:
28    maxItems: 1
29
30  "#phy-cells":
31    const: 0
32
33  clocks:
34    items:
35      - description: reference clock
36
37  clock-names:
38    items:
39      - const: ref
40
41  resets:
42    maxItems: 1
43
44  phys:
45    maxItems: 1
46    description:
47      Phandle to eUSB2 repeater
48
49  vdd-supply:
50    description:
51      Phandle to 0.88V regulator supply to PHY digital circuit.
52
53  vdda12-supply:
54    description:
55      Phandle to 1.2V regulator supply to PHY refclk pll block.
56
57required:
58  - compatible
59  - reg
60  - "#phy-cells"
61  - clocks
62  - clock-names
63  - resets
64  - vdd-supply
65  - vdda12-supply
66
67additionalProperties: false
68
69examples:
70  - |
71    usb_1_hsphy: phy@88e3000 {
72        compatible = "qcom,sm8750-m31-eusb2-phy";
73        reg = <0x88e3000 0x29c>;
74
75        clocks = <&tcsrcc_usb2_clkref_en>;
76        clock-names = "ref";
77
78        resets = <&gcc_qusb2phy_prim_bcr>;
79
80        #phy-cells = <0>;
81
82        vdd-supply = <&vreg_l2d_0p88>;
83        vdda12-supply = <&vreg_l3g_1p2>;
84    };
85