xref: /linux/Documentation/devicetree/bindings/phy/st,stih407-usb2-phy.yaml (revision 4e94ddfe2aab72139acb8d5372fac9e6c3f3e383) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/phy/st,stih407-usb2-phy.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: STMicroelectronics STiH407 USB PHY controller
8
9maintainers:
10  - Patrice Chotard <patrice.chotard@foss.st.com>
11
12description:
13  The USB picoPHY device is the PHY for both USB2 and USB3 host controllers
14  (when controlling usb2/1.1 devices) available on STiH407 SoC family from
15  STMicroelectronics.
16
17properties:
18  compatible:
19    const: st,stih407-usb2-phy
20
21  st,syscfg:
22    description: Phandle to the syscfg bank
23    $ref: /schemas/types.yaml#/definitions/phandle-array
24    items:
25      - items:
26          - description: phandle to syscfg
27          - description: phyparam register offset
28          - description: phyctrl register offset
29
30  resets:
31    items:
32      - description: Phandle and reset specifier pair for the whole phy.
33      - description: Phandle and reset specifier pair for the port.
34
35  reset-names:
36    items:
37      - const: global
38      - const: port
39
40  "#phy-cells":
41    const: 0
42
43required:
44  - compatible
45  - st,syscfg
46  - resets
47  - reset-names
48  - "#phy-cells"
49
50additionalProperties: false
51
52examples:
53  - |
54    #include <dt-bindings/reset/stih407-resets.h>
55    usb-phy {
56        compatible = "st,stih407-usb2-phy";
57        #phy-cells = <0>;
58        st,syscfg = <&syscfg_core 0x100 0xf4>;
59        resets = <&softreset STIH407_PICOPHY_SOFTRESET>,
60                 <&picophyreset STIH407_PICOPHY0_RESET>;
61        reset-names = "global", "port";
62    };
63...
64