Commit c640a423 authored by Hang Cao's avatar Hang Cao Committed by Greg Kroah-Hartman
Browse files

dt-bindings: usb: Add ESWIN EIC7700 USB controller 



Add Device Tree binding documentation for the ESWIN EIC7700
usb controller module.

Signed-off-by: default avatarSenchuan Zhang <zhangsenchuan@eswincomputing.com>
Signed-off-by: default avatarHang Cao <caohang@eswincomputing.com>
Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251112055321.1638-1-caohang@eswincomputing.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1b474ee0

Documentation/devicetree/bindings/usb/eswin,eic7700-usb.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/usb/eswin,eic7700-usb.yaml#

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



title: ESWIN EIC7700 SoC Usb Controller



maintainers:

  - Wei Yang <yangwei1@eswincomputing.com>

  - Senchuan Zhang <zhangsenchuan@eswincomputing.com>

  - Hang Cao <caohang@eswincomputing.com>



description:

  The Usb controller on EIC7700 SoC.



allOf:

  - $ref: snps,dwc3-common.yaml#



properties:

  compatible:

    const: eswin,eic7700-dwc3



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  interrupt-names:

    items:

      - const: peripheral



  clocks:

    maxItems: 3



  clock-names:

    items:

      - const: aclk

      - const: cfg

      - const: usb_en



  resets:

    maxItems: 2



  reset-names:

    items:

      - const: vaux

      - const: usb_rst



  eswin,hsp-sp-csr:

    description:

      HSP CSR is to control and get status of different high-speed peripherals

      (such as Ethernet, USB, SATA, etc.) via register, which can tune

      board-level's parameters of PHY, etc.

    $ref: /schemas/types.yaml#/definitions/phandle-array

    items:

      - items:

          - description: phandle to HSP Register Controller hsp_sp_csr node.

          - description: USB bus register offset.

          - description: AXI low power register offset.



required:

  - compatible

  - reg

  - clocks

  - clock-names

  - interrupts

  - interrupt-names

  - resets

  - reset-names

  - eswin,hsp-sp-csr



unevaluatedProperties: false



examples:

  - |

    usb@50480000 {

        compatible = "eswin,eic7700-dwc3";

        reg = <0x50480000 0x10000>;

        clocks = <&clock 135>,

                 <&clock 136>,

                 <&hspcrg 18>;

        clock-names = "aclk", "cfg", "usb_en";

        interrupt-parent = <&plic>;

        interrupts = <85>;

        interrupt-names = "peripheral";

        resets = <&reset 84>, <&hspcrg 2>;

        reset-names = "vaux", "usb_rst";

        dr_mode = "peripheral";

        maximum-speed = "high-speed";

        phy_type = "utmi";

        eswin,hsp-sp-csr = <&hsp_sp_csr 0x800 0x818>;

    };