Commit 492e8786 authored by Johan Hovold's avatar Johan Hovold Committed by Vinod Koul
Browse files

dt-bindings: phy: add QMP PCIe PHY schema 



The QMP PHY DT schema is getting unwieldy. Break out the PCIe PHY
binding in a separate file.

Add an example node based on a cleaned up version of sm8250.dtsi.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarJohan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220830112923.3725-13-johan+linaro@kernel.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent f858940e

Documentation/devicetree/bindings/phy/qcom,qmp-pcie-phy.yaml

0 → 100644
+205 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/phy/qcom,qmp-pcie-phy.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Qualcomm QMP PHY controller (PCIe)



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.



properties:

  compatible:

    enum:

      - qcom,ipq6018-qmp-pcie-phy

      - qcom,ipq8074-qmp-gen3-pcie-phy

      - qcom,ipq8074-qmp-pcie-phy

      - qcom,msm8998-qmp-pcie-phy

      - qcom,sc8180x-qmp-pcie-phy

      - qcom,sdm845-qhp-pcie-phy

      - qcom,sdm845-qmp-pcie-phy

      - qcom,sdx55-qmp-pcie-phy

      - qcom,sm8250-qmp-gen3x1-pcie-phy

      - qcom,sm8250-qmp-gen3x2-pcie-phy

      - qcom,sm8250-qmp-modem-pcie-phy

      - qcom,sm8450-qmp-gen3x1-pcie-phy

      - qcom,sm8450-qmp-gen4x2-pcie-phy



  reg:

    items:

      - description: serdes



  "#address-cells":

    enum: [ 1, 2 ]



  "#size-cells":

    enum: [ 1, 2 ]



  ranges: true



  clocks:

    minItems: 2

    maxItems: 4



  clock-names:

    minItems: 2

    maxItems: 4



  resets:

    minItems: 1

    maxItems: 2



  reset-names:

    minItems: 1

    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



required:

  - compatible

  - reg

  - "#address-cells"

  - "#size-cells"

  - ranges

  - clocks

  - clock-names

  - resets

  - reset-names



additionalProperties: false



allOf:

  - if:

      properties:

        compatible:

          contains:

            enum:

              - qcom,msm8998-qmp-pcie-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

      required:

        - vdda-phy-supply

        - vdda-pll-supply



  - if:

      properties:

        compatible:

          contains:

            enum:

              - qcom,ipq6018-qmp-pcie-phy

              - qcom,ipq8074-qmp-gen3-pcie-phy

              - qcom,ipq8074-qmp-pcie-phy

    then:

      properties:

        clocks:

          maxItems: 2

        clock-names:

          items:

            - const: aux

            - const: cfg_ahb

        resets:

          maxItems: 2

        reset-names:

          items:

            - const: phy

            - const: common



  - if:

      properties:

        compatible:

          contains:

            enum:

              - qcom,sc8180x-qmp-pcie-phy

              - qcom,sdm845-qhp-pcie-phy

              - qcom,sdm845-qmp-pcie-phy

              - qcom,sdx55-qmp-pcie-phy

              - qcom,sm8250-qmp-gen3x1-pcie-phy

              - qcom,sm8250-qmp-gen3x2-pcie-phy

              - qcom,sm8250-qmp-modem-pcie-phy

              - qcom,sm8450-qmp-gen3x1-pcie-phy

              - qcom,sm8450-qmp-gen4x2-pcie-phy

    then:

      properties:

        clocks:

          maxItems: 4

        clock-names:

          items:

            - const: aux

            - const: cfg_ahb

            - const: ref

            - const: refgen

        resets:

          maxItems: 1

        reset-names:

          items:

            - const: phy

      required:

        - vdda-phy-supply

        - vdda-pll-supply



examples:

  - |

    #include <dt-bindings/clock/qcom,gcc-sm8250.h>

    phy-wrapper@1c0e000 {

        compatible = "qcom,sm8250-qmp-gen3x2-pcie-phy";

        reg = <0x01c0e000 0x1c0>;

        #address-cells = <1>;

        #size-cells = <1>;

        ranges = <0x0 0x01c0e000 0x1000>;



        clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,

                 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,

                 <&gcc GCC_PCIE_WIGIG_CLKREF_EN>,

                 <&gcc GCC_PCIE1_PHY_REFGEN_CLK>;

        clock-names = "aux", "cfg_ahb", "ref", "refgen";



        resets = <&gcc GCC_PCIE_1_PHY_BCR>;

        reset-names = "phy";



        vdda-phy-supply = <&vreg_l10c_0p88>;

        vdda-pll-supply = <&vreg_l6b_1p2>;



        phy@200 {

            reg = <0x200 0x170>,

                  <0x400 0x200>,

                  <0xa00 0x1f0>,

                  <0x600 0x170>,

                  <0x800 0x200>,

                  <0xe00 0xf4>;



            clocks = <&gcc GCC_PCIE_1_PIPE_CLK>;

            clock-names = "pipe0";



            #clock-cells = <0>;

            clock-output-names = "pcie_1_pipe_clk";



            #phy-cells = <0>;

        };

    };

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

+0 −68
Original line number Diff line number Diff line
@@ -17,29 +17,21 @@ description: 
properties:

  compatible:

    enum:

      - qcom,ipq6018-qmp-pcie-phy

      - qcom,ipq6018-qmp-usb3-phy

      - qcom,ipq8074-qmp-gen3-pcie-phy

      - qcom,ipq8074-qmp-pcie-phy

      - qcom,ipq8074-qmp-usb3-phy

      - qcom,msm8996-qmp-ufs-phy

      - qcom,msm8996-qmp-usb3-phy

      - qcom,msm8998-qmp-pcie-phy

      - qcom,msm8998-qmp-ufs-phy

      - qcom,msm8998-qmp-usb3-phy

      - qcom,qcm2290-qmp-usb3-phy

      - qcom,sc7180-qmp-usb3-phy

      - qcom,sc8180x-qmp-pcie-phy

      - qcom,sc8180x-qmp-ufs-phy

      - qcom,sc8180x-qmp-usb3-phy

      - qcom,sc8280xp-qmp-ufs-phy

      - qcom,sc8280xp-qmp-usb3-uni-phy

      - qcom,sdm845-qhp-pcie-phy

      - qcom,sdm845-qmp-pcie-phy

      - qcom,sdm845-qmp-ufs-phy

      - qcom,sdm845-qmp-usb3-phy

      - qcom,sdm845-qmp-usb3-uni-phy

      - qcom,sdx55-qmp-pcie-phy

      - qcom,sdx55-qmp-usb3-uni-phy

      - qcom,sdx65-qmp-usb3-uni-phy

      - qcom,sm6115-qmp-ufs-phy
@@ -47,17 +39,12 @@ properties: 
      - qcom,sm8150-qmp-ufs-phy

      - qcom,sm8150-qmp-usb3-phy

      - qcom,sm8150-qmp-usb3-uni-phy

      - qcom,sm8250-qmp-gen3x1-pcie-phy

      - qcom,sm8250-qmp-gen3x2-pcie-phy

      - qcom,sm8250-qmp-modem-pcie-phy

      - qcom,sm8250-qmp-ufs-phy

      - qcom,sm8250-qmp-usb3-phy

      - qcom,sm8250-qmp-usb3-uni-phy

      - qcom,sm8350-qmp-ufs-phy

      - qcom,sm8350-qmp-usb3-phy

      - qcom,sm8350-qmp-usb3-uni-phy

      - qcom,sm8450-qmp-gen3x1-pcie-phy

      - qcom,sm8450-qmp-gen4x2-pcie-phy

      - qcom,sm8450-qmp-ufs-phy

      - qcom,sm8450-qmp-usb3-phy
@@ -173,7 +160,6 @@ allOf: 
            enum:

              - qcom,ipq8074-qmp-usb3-phy

              - qcom,msm8996-qmp-usb3-phy

              - qcom,msm8998-qmp-pcie-phy

              - qcom,msm8998-qmp-usb3-phy

    then:

      properties:
@@ -242,60 +228,6 @@ allOf: 
      required:

        - vdda-phy-supply

        - vdda-pll-supply

  - if:

      properties:

        compatible:

          contains:

            enum:

              - qcom,ipq6018-qmp-pcie-phy

              - qcom,ipq8074-qmp-gen3-pcie-phy

              - qcom,ipq8074-qmp-pcie-phy

    then:

      properties:

        clocks:

          maxItems: 2

        clock-names:

          items:

            - const: aux

            - const: cfg_ahb

        resets:

          maxItems: 2

        reset-names:

          items:

            - const: phy

            - const: common

  - if:

      properties:

        compatible:

          contains:

            enum:

              - qcom,sc8180x-qmp-pcie-phy

              - qcom,sdm845-qhp-pcie-phy

              - qcom,sdm845-qmp-pcie-phy

              - qcom,sdx55-qmp-pcie-phy

              - qcom,sm8250-qmp-gen3x1-pcie-phy

              - qcom,sm8250-qmp-gen3x2-pcie-phy

              - qcom,sm8250-qmp-modem-pcie-phy

              - qcom,sm8450-qmp-gen3x1-pcie-phy

              - qcom,sm8450-qmp-gen4x2-pcie-phy

    then:

      properties:

        clocks:

          maxItems: 4

        clock-names:

          items:

            - const: aux

            - const: cfg_ahb

            - const: ref

            - const: refgen

        resets:

          maxItems: 1

        reset-names:

          items:

            - const: phy

      required:

        - vdda-phy-supply

        - vdda-pll-supply

  - if:

      properties:

        compatible: