Documentation/devicetree/bindings/phy/qcom,usb-hs-phy.yaml

# SPDX-License-Identifier: GPL-2.0-only
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/qcom,usb-hs-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm's USB HS PHY

maintainers:
  - Bjorn Andersson <bjorn.andersson@linaro.org>

if:
  properties:
    compatible:
      contains:
        enum:
          - qcom,usb-hs-phy-apq8064
          - qcom,usb-hs-phy-msm8960
then:
  properties:
    resets:
      maxItems: 1

    reset-names:
      const: por

else:
  properties:
    resets:
      minItems: 2
      maxItems: 2

    reset-names:
      items:
        - const: phy
        - const: por

properties:
  compatible:
    items:
      - enum:
          - qcom,usb-hs-phy-apq8064
          - qcom,usb-hs-phy-msm8226
          - qcom,usb-hs-phy-msm8916
          - qcom,usb-hs-phy-msm8960
          - qcom,usb-hs-phy-msm8974
      - const: qcom,usb-hs-phy

  clocks:
    minItems: 2
    maxItems: 2

  clock-names:
    maxItems: 2
    contains:
      items:
        - const: ref
        - const: sleep

  resets: true

  reset-names: true

  v1p8-supply: true

  v3p3-supply: true

  extcon: true

  "#phy-cells":
    const: 0

  qcom,init-seq:
    $ref: /schemas/types.yaml#/definitions/uint8-matrix
    description: >
      Sequence of ULPI address and value pairs to
      program into the ULPI_EXT_VENDOR_SPECIFIC area.
      This is related to Device Mode Eye Diagram test.
    maxItems: 32 # no hard limit
    items:
      items:
        - description: >
            the address is offset from the ULPI_EXT_VENDOR_SPECIFIC address
        - description: value

required:
  - clocks
  - clock-names
  - resets
  - reset-names
  - "#phy-cells"

additionalProperties: false

examples:
  - |
    otg: usb-controller {
      #reset-cells = <1>;

      ulpi {
        phy {
          compatible = "qcom,usb-hs-phy-msm8974", "qcom,usb-hs-phy";
          #phy-cells = <0>;
          clocks = <&clk 0>, <&clk 258>;
          clock-names = "ref", "sleep";
          resets = <&gcc 10>, <&otg 0>;
          reset-names = "phy", "por";
          v3p3-supply = <&pm8941_l24>;
          v1p8-supply = <&pm8941_l6>;
          extcon = <&smbb>;
          qcom,init-seq = /bits/ 8 <0x1 0x63>;
        };
      };
    };