xref: /linux/Documentation/devicetree/bindings/regulator/socionext,uniphier-regulator.yaml (revision 4c1ef56bd9c7a60efdeac9f1478b5467fb47c093)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/regulator/socionext,uniphier-regulator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Socionext UniPhier regulator controller

description: |
  This regulator controls VBUS and belongs to USB3 glue layer. Before using
  the regulator, it is necessary to control the clocks and resets to enable
  this layer. These clocks and resets should be described in each property.

maintainers:
  - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>

allOf:
  - $ref: "regulator.yaml#"

# USB3 Controller

properties:
  compatible:
    enum:
      - socionext,uniphier-pro4-usb3-regulator
      - socionext,uniphier-pro5-usb3-regulator
      - socionext,uniphier-pxs2-usb3-regulator
      - socionext,uniphier-ld20-usb3-regulator
      - socionext,uniphier-pxs3-usb3-regulator
      - socionext,uniphier-nx1-usb3-regulator

  reg:
    maxItems: 1

  clocks:
    minItems: 1
    maxItems: 2

  clock-names:
    oneOf:
      - items:          # for Pro4, Pro5
          - const: gio
          - const: link
      - items:          # for others
          - const: link

  resets:
    minItems: 1
    maxItems: 2

  reset-names:
    oneOf:
      - items:          # for Pro4, Pro5
          - const: gio
          - const: link
      - items:
          - const: link

additionalProperties: false

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - resets
  - reset-names

examples:
  - |
    usb-glue@65b00000 {
        compatible = "simple-mfd";
        #address-cells = <1>;
        #size-cells = <1>;
        ranges = <0 0x65b00000 0x400>;

        usb_vbus0: regulators@100 {
            compatible = "socionext,uniphier-ld20-usb3-regulator";
            reg = <0x100 0x10>;
            clock-names = "link";
            clocks = <&sys_clk 14>;
            reset-names = "link";
            resets = <&sys_rst 14>;
        };
    };