Commit 1166a2ca authored by Wesley Cheng's avatar Wesley Cheng Committed by Vinod Koul
Browse files

dt-bindings: phy: Add the M31 based eUSB2 PHY bindings 



On SM8750, the M31 eUSB2 PHY is being used to support USB2. Add the
binding definition for the PHY driver.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarWesley Cheng <quic_wcheng@quicinc.com>
Signed-off-by: default avatarMelody Olvera <melody.olvera@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250527-sm8750_usb_master-v6-2-d58de3b41d34@oss.qualcomm.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 439cdb30

Documentation/devicetree/bindings/phy/qcom,m31-eusb2-phy.yaml

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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/phy/qcom,m31-eusb2-phy.yaml#

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



title: Qualcomm M31 eUSB2 phy



maintainers:

  - Wesley Cheng <quic_wcheng@quicinc.com>



description:

  M31 based eUSB2 controller, which supports LS/FS/HS usb connectivity

  on Qualcomm chipsets.  It is paired with a eUSB2 repeater.



properties:

  compatible:

    items:

      - enum:

          - qcom,sm8750-m31-eusb2-phy



  reg:

    maxItems: 1



  "#phy-cells":

    const: 0



  clocks:

    items:

      - description: reference clock



  clock-names:

    items:

      - const: ref



  resets:

    maxItems: 1



  phys:

    maxItems: 1

    description:

      Phandle to eUSB2 repeater



  vdd-supply:

    description:

      Phandle to 0.88V regulator supply to PHY digital circuit.



  vdda12-supply:

    description:

      Phandle to 1.2V regulator supply to PHY refclk pll block.



required:

  - compatible

  - reg

  - "#phy-cells"

  - clocks

  - clock-names

  - resets

  - vdd-supply

  - vdda12-supply



additionalProperties: false



examples:

  - |

    usb_1_hsphy: phy@88e3000 {

        compatible = "qcom,sm8750-m31-eusb2-phy";

        reg = <0x88e3000 0x29c>;



        clocks = <&tcsrcc_usb2_clkref_en>;

        clock-names = "ref";



        resets = <&gcc_qusb2phy_prim_bcr>;



        #phy-cells = <0>;



        vdd-supply = <&vreg_l2d_0p88>;

        vdda12-supply = <&vreg_l3g_1p2>;

    };