Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-ufs-phy.yaml

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

title: Qualcomm QMP PHY controller (UFS, 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-ufs-phy.yaml.

properties:
  compatible:
    enum:
      - qcom,msm8996-qmp-ufs-phy
      - qcom,msm8998-qmp-ufs-phy
      - qcom,sc8180x-qmp-ufs-phy
      - qcom,sdm845-qmp-ufs-phy
      - qcom,sm6115-qmp-ufs-phy
      - qcom,sm6350-qmp-ufs-phy
      - qcom,sm8150-qmp-ufs-phy
      - qcom,sm8250-qmp-ufs-phy
      - qcom,sm8350-qmp-ufs-phy
      - qcom,sm8450-qmp-ufs-phy

  reg:
    items:
      - description: serdes

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

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

  ranges: true

  clocks:
    minItems: 1
    maxItems: 3

  clock-names:
    minItems: 1
    maxItems: 3

  power-domains:
    maxItems: 1

  resets:
    maxItems: 1

  reset-names:
    items:
      - const: ufsphy

  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

      "#clock-cells":
        const: 1

      "#phy-cells":
        const: 0

    required:
      - reg
      - "#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,msm8996-qmp-ufs-phy
    then:
      properties:
        clocks:
          maxItems: 1
        clock-names:
          items:
            - const: ref

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8998-qmp-ufs-phy
              - qcom,sc8180x-qmp-ufs-phy
              - qcom,sdm845-qmp-ufs-phy
              - qcom,sm6115-qmp-ufs-phy
              - qcom,sm6350-qmp-ufs-phy
              - qcom,sm8150-qmp-ufs-phy
              - qcom,sm8250-qmp-ufs-phy
    then:
      properties:
        clocks:
          maxItems: 2
        clock-names:
          items:
            - const: ref
            - const: ref_aux

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,sm8450-qmp-ufs-phy
    then:
      properties:
        clocks:
          maxItems: 3
        clock-names:
          items:
            - const: ref
            - const: ref_aux
            - const: qref

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8998-qmp-ufs-phy
              - qcom,sdm845-qmp-ufs-phy
              - qcom,sm6350-qmp-ufs-phy
              - qcom,sm8150-qmp-ufs-phy
              - qcom,sm8250-qmp-ufs-phy
              - qcom,sm8350-qmp-ufs-phy
              - qcom,sm8450-qmp-ufs-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,sc8180x-qmp-ufs-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-ufs-phy
              - qcom,sm6115-qmp-ufs-phy
    then:
      patternProperties:
        "^phy@[0-9a-f]+$":
          properties:
            reg:
              items:
                - description: TX
                - description: RX
                - description: PCS

examples:
  - |
    #include <dt-bindings/clock/qcom,gcc-sm8250.h>
    #include <dt-bindings/clock/qcom,rpmh.h>

    phy-wrapper@1d87000 {
        compatible = "qcom,sm8250-qmp-ufs-phy";
        reg = <0x01d87000 0x1c0>;
        #address-cells = <1>;
        #size-cells = <1>;
        ranges = <0x0 0x01d87000 0x1000>;

        clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GCC_UFS_PHY_PHY_AUX_CLK>;
        clock-names = "ref", "ref_aux";

        resets = <&ufs_mem_hc 0>;
        reset-names = "ufsphy";

        vdda-phy-supply = <&vreg_l6b>;
        vdda-pll-supply = <&vreg_l3b>;

        phy@400 {
            reg = <0x400 0x108>,
                  <0x600 0x1e0>,
                  <0xc00 0x1dc>,
                  <0x800 0x108>,
                  <0xa00 0x1e0>;
            #phy-cells = <0>;
        };
    };