Documentation/devicetree/bindings/regulator/socionext,uniphier-regulator.yaml

   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
   7 title: Socionext UniPhier regulator controller
   8
   9 description: |
  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
  14 maintainers:
  15   - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
  16
  17 allOf:
  18   - $ref: "regulator.yaml#"
  19
  20 # USB3 Controller
  21
  22 properties:
  23   compatible:
  24     enum:
  25       - socionext,uniphier-pro4-usb3-regulator
  26       - socionext,uniphier-pro5-usb3-regulator
  27       - socionext,uniphier-pxs2-usb3-regulator
  28       - socionext,uniphier-ld20-usb3-regulator
  29       - socionext,uniphier-pxs3-usb3-regulator
  30
  31   reg:
  32     maxItems: 1
  33
  34   clocks:
  35     minItems: 1
  36     maxItems: 2
  37
  38   clock-names:
  39     oneOf:
  40       - items:          # for Pro4, Pro5
  41           - const: gio
  42           - const: link
  43       - items:          # for others
  44           - const: link
  45
  46   resets:
  47     minItems: 1
  48     maxItems: 2
  49
  50   reset-names:
  51     oneOf:
  52       - items:          # for Pro4, Pro5
  53           - const: gio
  54           - const: link
  55       - items:
  56           - const: link
  57
  58 additionalProperties: false
  59
  60 required:
  61   - compatible
  62   - reg
  63   - clocks
  64   - clock-names
  65   - resets
  66   - reset-names
  67
  68 examples:
  69   - |
  70     usb-glue@65b00000 {
  71         compatible = "simple-mfd";
  72         #address-cells = <1>;
  73         #size-cells = <1>;
  74         ranges = <0 0x65b00000 0x400>;
  75
  76         usb_vbus0: regulators@100 {
  77             compatible = "socionext,uniphier-ld20-usb3-regulator";
  78             reg = <0x100 0x10>;
  79             clock-names = "link";
  80             clocks = <&sys_clk 14>;
  81             reset-names = "link";
  82             resets = <&sys_rst 14>;
  83         };
  84     };
  85