1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/regulator/socionext,uniphier-regulator.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Socionext UniPhier regulator controller
  8
  9description: |
 10  This regulator controls VBUS and belongs to USB3 glue layer. Before using
 11  the regulator, it is necessary to control the clocks and resets to enable
 12  this layer. These clocks and resets should be described in each property.
 13
 14maintainers:
 15  - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
 16
 17# USB3 Controller
 18
 19properties:
 20  compatible:
 21    enum:
 22      - socionext,uniphier-pro4-usb3-regulator
 23      - socionext,uniphier-pro5-usb3-regulator
 24      - socionext,uniphier-pxs2-usb3-regulator
 25      - socionext,uniphier-ld20-usb3-regulator
 26      - socionext,uniphier-pxs3-usb3-regulator
 27      - socionext,uniphier-nx1-usb3-regulator
 28
 29  reg:
 30    maxItems: 1
 31
 32  clocks:
 33    minItems: 1
 34    maxItems: 2
 35
 36  clock-names: true
 37
 38  resets:
 39    minItems: 1
 40    maxItems: 2
 41
 42  reset-names: true
 43
 44allOf:
 45  - $ref: "regulator.yaml#"
 46  - if:
 47      properties:
 48        compatible:
 49          contains:
 50            enum:
 51              - socionext,uniphier-pro4-usb3-regulator
 52              - socionext,uniphier-pro5-usb3-regulator
 53    then:
 54      properties:
 55        clocks:
 56          minItems: 2
 57          maxItems: 2
 58        clock-names:
 59          items:
 60            - const: gio
 61            - const: link
 62        resets:
 63          minItems: 2
 64          maxItems: 2
 65        reset-names:
 66          items:
 67            - const: gio
 68            - const: link
 69    else:
 70      properties:
 71        clocks:
 72          maxItems: 1
 73        clock-names:
 74          const: link
 75        resets:
 76          maxItems: 1
 77        reset-names:
 78          const: link
 79
 80unevaluatedProperties: false
 81
 82required:
 83  - compatible
 84  - reg
 85  - clocks
 86  - clock-names
 87  - resets
 88  - reset-names
 89
 90examples:
 91  - |
 92    usb-glue@65b00000 {
 93        compatible = "simple-mfd";
 94        #address-cells = <1>;
 95        #size-cells = <1>;
 96        ranges = <0 0x65b00000 0x400>;
 97
 98        usb_vbus0: regulators@100 {
 99            compatible = "socionext,uniphier-ld20-usb3-regulator";
100            reg = <0x100 0x10>;
101            clock-names = "link";
102            clocks = <&sys_clk 14>;
103            reset-names = "link";
104            resets = <&sys_rst 14>;
105        };
106    };