xref: /linux/Documentation/devicetree/bindings/phy/qcom,qcs615-qmp-usb3dp-phy.yaml (revision 16e6a1a3cb3fa5fa11cd76a9d71235d927923329)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/qcom,qcs615-qmp-usb3dp-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm QMP USB3-DP PHY controller (DP, QCS615)

maintainers:
  - Xiangxu Yin <xiangxu.yin@oss.qualcomm.com>

description:
  The QMP PHY controller supports physical layer functionality for both USB3
  and DisplayPort over USB-C. While it enables mode switching between USB3 and
  DisplayPort, but does not support combo mode.

properties:
  compatible:
    enum:
      - qcom,qcs615-qmp-usb3-dp-phy
      - qcom,shikra-qmp-usb3-dp-phy

  reg:
    maxItems: 1

  clocks:
    maxItems: 4

  clock-names:
    items:
      - const: aux
      - const: ref
      - const: cfg_ahb
      - const: pipe

  resets:
    minItems: 2
    maxItems: 3

  reset-names:
    minItems: 2
    items:
      - const: phy_phy
      - const: dp_phy
      - const: phy

  vdda-phy-supply: true

  vdda-pll-supply: true

  "#clock-cells":
    const: 1
    description:
      See include/dt-bindings/phy/phy-qcom-qmp.h

  "#phy-cells":
    const: 1
    description:
      See include/dt-bindings/phy/phy-qcom-qmp.h

  qcom,tcsr-reg:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: phandle to TCSR hardware block
          - description: offset of the VLS CLAMP register
          - description: offset of the PHY mode register
    description: Clamp and PHY mode register present in the TCSR

  orientation-switch:
    description:
      Flag the PHY as possible handler of USB Type-C orientation switching
    type: boolean

  ports:
    $ref: /schemas/graph.yaml#/properties/ports
    properties:
      port@0:
        $ref: /schemas/graph.yaml#/properties/port
        description: Output endpoint of the PHY

      port@1:
        $ref: /schemas/graph.yaml#/properties/port
        description: Incoming endpoint from the USB controller

required:
  - compatible
  - reg
  - clocks
  - clock-names
  - resets
  - reset-names
  - vdda-phy-supply
  - vdda-pll-supply
  - "#clock-cells"
  - "#phy-cells"
  - qcom,tcsr-reg

additionalProperties: false

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,shikra-qmp-usb3-dp-phy
    then:
      properties:
        resets:
          minItems: 3
        reset-names:
          minItems: 3

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,qcs615-qmp-usb3-dp-phy
    then:
      properties:
        resets:
          maxItems: 2
        reset-names:
          maxItems: 2

examples:
  - |
    #include <dt-bindings/clock/qcom,qcs615-gcc.h>
    #include <dt-bindings/clock/qcom,rpmh.h>

    phy@88e8000 {
      compatible = "qcom,qcs615-qmp-usb3-dp-phy";
      reg = <0x88e8000 0x2000>;

      clocks = <&gcc GCC_USB2_SEC_PHY_AUX_CLK>,
               <&gcc GCC_USB3_SEC_CLKREF_CLK>,
               <&gcc GCC_AHB2PHY_WEST_CLK>,
               <&gcc GCC_USB2_SEC_PHY_PIPE_CLK>;
      clock-names = "aux",
                    "ref",
                    "cfg_ahb",
                    "pipe";

      resets = <&gcc GCC_USB3PHY_PHY_SEC_BCR>,
               <&gcc GCC_USB3_DP_PHY_SEC_BCR>;
      reset-names = "phy_phy",
                    "dp_phy";

      vdda-phy-supply = <&vreg_l5a>;
      vdda-pll-supply = <&vreg_l12a>;

      #clock-cells = <1>;
      #phy-cells = <1>;

      qcom,tcsr-reg = <&tcsr 0xbff0 0xb24c>;
    };