xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/qcom,msm8996-qmp-usb3-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm QMP PHY controller (USB, MSM8996)

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

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

  Note that these bindings are for SoCs up to SC8180X. For newer SoCs, see
  qcom,sc8280xp-qmp-usb3-uni-phy.yaml.

properties:
  compatible:
    enum:
      - qcom,ipq6018-qmp-usb3-phy
      - qcom,ipq8074-qmp-usb3-phy
      - qcom,msm8996-qmp-usb3-phy
      - qcom,msm8998-qmp-usb3-phy
      - qcom,sdm845-qmp-usb3-uni-phy
      - qcom,sdx55-qmp-usb3-uni-phy
      - qcom,sdx65-qmp-usb3-uni-phy
      - qcom,sm8150-qmp-usb3-uni-phy
      - qcom,sm8250-qmp-usb3-uni-phy
      - qcom,sm8350-qmp-usb3-uni-phy

  reg:
    items:
      - description: serdes

  "#address-cells":
    enum: [ 1, 2 ]

  "#size-cells":
    enum: [ 1, 2 ]

  ranges: true

  clocks:
    minItems: 3
    maxItems: 4

  clock-names:
    minItems: 3
    maxItems: 4

  power-domains:
    maxItems: 1

  resets:
    maxItems: 2

  reset-names:
    maxItems: 2

  vdda-phy-supply: true

  vdda-pll-supply: true

  vddp-ref-clk-supply: true

patternProperties:
  "^phy@[0-9a-f]+$":
    type: object
    description: single PHY-provider child node
    properties:
      reg:
        minItems: 3
        maxItems: 6

      clocks:
        items:
          - description: PIPE clock

      clock-names:
        deprecated: true
        items:
          - const: pipe0

      "#clock-cells":
        const: 0

      clock-output-names:
        maxItems: 1

      "#phy-cells":
        const: 0

    required:
      - reg
      - clocks
      - "#clock-cells"
      - clock-output-names
      - "#phy-cells"

    additionalProperties: false

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

additionalProperties: false

allOf:
  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sdm845-qmp-usb3-uni-phy
    then:
      properties:
        clocks:
          maxItems: 4
        clock-names:
          items:
            - const: aux
            - const: cfg_ahb
            - const: ref
            - const: com_aux
        resets:
          maxItems: 2
        reset-names:
          items:
            - const: phy
            - const: common

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,ipq8074-qmp-usb3-phy
              - qcom,msm8996-qmp-usb3-phy
              - qcom,msm8998-qmp-usb3-phy
              - qcom,sdx55-qmp-usb3-uni-phy
              - qcom,sdx65-qmp-usb3-uni-phy
    then:
      properties:
        clocks:
          maxItems: 3
        clock-names:
          items:
            - const: aux
            - const: cfg_ahb
            - const: ref
        resets:
          maxItems: 2
        reset-names:
          items:
            - const: phy
            - const: common

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sm8150-qmp-usb3-uni-phy
              - qcom,sm8250-qmp-usb3-uni-phy
              - qcom,sm8350-qmp-usb3-uni-phy
    then:
      properties:
        clocks:
          maxItems: 4
        clock-names:
          items:
            - const: aux
            - const: ref_clk_src
            - const: ref
            - const: com_aux
        resets:
          maxItems: 2
        reset-names:
          items:
            - const: phy
            - const: common

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8998-qmp-usb3-phy
    then:
      patternProperties:
        "^phy@[0-9a-f]+$":
          properties:
            reg:
              items:
                - description: TX lane 1
                - description: RX lane 1
                - description: PCS
                - description: TX lane 2
                - description: RX lane 2

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,ipq6018-qmp-usb3-phy
              - qcom,ipq8074-qmp-usb3-phy
              - qcom,sdx55-qmp-usb3-uni-phy
              - qcom,sdx65-qmp-usb3-uni-phy
              - qcom,sm8150-qmp-usb3-uni-phy
    then:
      patternProperties:
        "^phy@[0-9a-f]+$":
          properties:
            reg:
              items:
                - description: TX
                - description: RX
                - description: PCS
                - description: PCS_MISC

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8996-qmp-usb3-phy
              - qcom,sm8250-qmp-usb3-uni-phy
              - qcom,sm8350-qmp-usb3-uni-phy
    then:
      patternProperties:
        "^phy@[0-9a-f]+$":
          properties:
            reg:
              items:
                - description: TX
                - description: RX
                - description: PCS

examples:
  - |
    #include <dt-bindings/clock/qcom,gcc-sdm845.h>
    usb_2_qmpphy: phy-wrapper@88eb000 {
        compatible = "qcom,sdm845-qmp-usb3-uni-phy";
        reg = <0x088eb000 0x18c>;
        #address-cells = <1>;
        #size-cells = <1>;
        ranges = <0x0 0x088eb000 0x2000>;

        clocks = <&gcc GCC_USB3_SEC_PHY_AUX_CLK >,
                 <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>,
                 <&gcc GCC_USB3_SEC_CLKREF_CLK>,
                 <&gcc GCC_USB3_SEC_PHY_COM_AUX_CLK>;
        clock-names = "aux", "cfg_ahb", "ref", "com_aux";

        resets = <&gcc GCC_USB3PHY_PHY_SEC_BCR>,
                 <&gcc GCC_USB3_PHY_SEC_BCR>;
        reset-names = "phy", "common";

        vdda-phy-supply = <&vdda_usb2_ss_1p2>;
        vdda-pll-supply = <&vdda_usb2_ss_core>;

        usb_2_ssphy: phy@200 {
                reg = <0x200 0x128>,
                      <0x400 0x1fc>,
                      <0x800 0x218>,
                      <0x600 0x70>;

                clocks = <&gcc GCC_USB3_SEC_PHY_PIPE_CLK>;

                #clock-cells = <0>;
                clock-output-names = "usb3_uni_phy_pipe_clk_src";

                #phy-cells = <0>;
            };
        };