xref: /linux/Documentation/devicetree/bindings/phy/qcom,m31-eusb2-phy.yaml (revision 1fd1dc41724319406b0aff221a352a400b0ddfc5) 
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,kaanapali-m31-eusb2-phy
23          - const: qcom,sm8750-m31-eusb2-phy
24      - const: qcom,sm8750-m31-eusb2-phy
25
26  reg:
27    maxItems: 1
28
29  "#phy-cells":
30    const: 0
31
32  clocks:
33    items:
34      - description: reference clock
35
36  clock-names:
37    items:
38      - const: ref
39
40  resets:
41    maxItems: 1
42
43  phys:
44    maxItems: 1
45    description:
46      Phandle to eUSB2 repeater
47
48  vdd-supply:
49    description:
50      Phandle to 0.88V regulator supply to PHY digital circuit.
51
52  vdda12-supply:
53    description:
54      Phandle to 1.2V regulator supply to PHY refclk pll block.
55
56required:
57  - compatible
58  - reg
59  - "#phy-cells"
60  - clocks
61  - clock-names
62  - resets
63  - vdd-supply
64  - vdda12-supply
65
66additionalProperties: false
67
68examples:
69  - |
70    usb_1_hsphy: phy@88e3000 {
71        compatible = "qcom,sm8750-m31-eusb2-phy";
72        reg = <0x88e3000 0x29c>;
73
74        clocks = <&tcsrcc_usb2_clkref_en>;
75        clock-names = "ref";
76
77        resets = <&gcc_qusb2phy_prim_bcr>;
78
79        #phy-cells = <0>;
80
81        vdd-supply = <&vreg_l2d_0p88>;
82        vdda12-supply = <&vreg_l3g_1p2>;
83    };
84