xref: /openbmc/linux/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml (revision b225e912)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm QMP PHY controller (USB, SC8280XP)

maintainers:
  - Vinod Koul <vkoul@kernel.org>

description:
  The QMP PHY controller supports physical layer functionality for a number of
  controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.

properties:
  compatible:
    enum:
      - qcom,ipq9574-qmp-usb3-phy
      - qcom,sa8775p-qmp-usb3-uni-phy
      - qcom,sc8280xp-qmp-usb3-uni-phy

  reg:
    maxItems: 1

  clocks:
    maxItems: 4

  clock-names:
    maxItems: 4

  power-domains:
    maxItems: 1

  resets:
    maxItems: 2

  reset-names:
    items:
      - const: phy
      - const: phy_phy

  vdda-phy-supply: true

  vdda-pll-supply: true

  "#clock-cells":
    const: 0

  clock-output-names:
    maxItems: 1

  "#phy-cells":
    const: 0

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

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,ipq9574-qmp-usb3-phy
    then:
      properties:
        clock-names:
          items:
            - const: aux
            - const: ref
            - const: cfg_ahb
            - const: pipe

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sa8775p-qmp-usb3-uni-phy
              - qcom,sc8280xp-qmp-usb3-uni-phy
    then:
      properties:
        clocks:
          maxItems: 4
        clock-names:
          items:
            - const: aux
            - const: ref
            - const: com_aux
            - const: pipe
      required:
        - power-domains

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,gcc-sc8280xp.h>
    #include <dt-bindings/clock/qcom,rpmh.h>

    phy@88ef000 {
      compatible = "qcom,sc8280xp-qmp-usb3-uni-phy";
      reg = <0x088ef000 0x2000>;

      clocks = <&gcc GCC_USB3_MP_PHY_AUX_CLK>,
               <&gcc GCC_USB3_MP0_CLKREF_CLK>,
               <&gcc GCC_USB3_MP_PHY_COM_AUX_CLK>,
               <&gcc GCC_USB3_MP_PHY_PIPE_0_CLK>;
      clock-names = "aux", "ref", "com_aux", "pipe";

      power-domains = <&gcc USB30_MP_GDSC>;

      resets = <&gcc GCC_USB3_UNIPHY_MP0_BCR>,
               <&gcc GCC_USB3UNIPHY_PHY_MP0_BCR>;
      reset-names = "phy", "phy_phy";

      vdda-phy-supply = <&vreg_l3a>;
      vdda-pll-supply = <&vreg_l5a>;

      #clock-cells = <0>;
      clock-output-names = "usb2_phy0_pipe_clk";

      #phy-cells = <0>;
    };