dt-bindings: Add Qualcomm USB SuperSpeed PHY bindings

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

%YAML 1.2

---

$id: "http://devicetree.org/schemas/phy/qcom,usb-ss.yaml#"

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

title: Qualcomm Synopsys 1.0.0 SuperSpeed USB PHY

maintainers:

  - Bryan O'Donoghue <bryan.odonoghue@linaro.org>

description: |

  Qualcomm Synopsys 1.0.0 SuperSpeed USB PHY

properties:

  compatible:

    enum:

      - qcom,usb-ss-28nm-phy

  reg:

    maxItems: 1

  "#phy-cells":

    const: 0

  clocks:

    items:

      - description: rpmcc clock

      - description: PHY AHB clock

      - description: SuperSpeed pipe clock

  clock-names:

    items:

      - const: ref

      - const: ahb

      - const: pipe

  vdd-supply:

    description: phandle to the regulator VDD supply node.

  vdda1p8-supply:

    description: phandle to the regulator 1.8V supply node.

  resets:

    items:

      - description: COM reset

      - description: PHY reset line

  reset-names:

    items:

      - const: com

      - const: phy

required:

  - compatible

  - reg

  - "#phy-cells"

  - clocks

  - clock-names

  - vdd-supply

  - vdda1p8-supply

additionalProperties: false

examples:

  - |

    #include <dt-bindings/clock/qcom,gcc-qcs404.h>

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

    usb3_phy: usb3-phy@78000 {

        compatible = "qcom,usb-ss-28nm-phy";

        reg = <0x78000 0x400>;

        #phy-cells = <0>;

        clocks = <&rpmcc RPM_SMD_LN_BB_CLK>,

                 <&gcc GCC_USB_HS_PHY_CFG_AHB_CLK>,

                 <&gcc GCC_USB3_PHY_PIPE_CLK>;

        clock-names = "ref", "ahb", "pipe";

        resets = <&gcc GCC_USB3_PHY_BCR>,

                 <&gcc GCC_USB3PHY_PHY_BCR>;

        reset-names = "com", "phy";

        vdd-supply = <&vreg_l3_1p05>;

        vdda1p8-supply = <&vreg_l5_1p8>;

    };

...