Commit bfbf2e4b authored by Fabio Estevam's avatar Fabio Estevam Committed by Greg Kroah-Hartman
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dt-bindings: usb: Document the Microchip USB2514 hub 



Document the Microchip USB2412, USB2417, and USB2514 USB hubs.

The existing usb251xb.yaml describes Microchip USB251x hubs that are
connected under I2C bus. Here, the hub is under the USB bus and use
the on-board-hub interface instead.

Signed-off-by: default avatarFabio Estevam <festevam@denx.de>
Reviewed-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240405120147.880933-1-festevam@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ccdd4aac

Documentation/devicetree/bindings/usb/microchip,usb2514.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/microchip,usb2514.yaml#

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



title: Microchip USB2514 Hub Controller



maintainers:

  - Fabio Estevam <festevam@gmail.com>



allOf:

  - $ref: usb-hcd.yaml#



properties:

  compatible:

    enum:

      - usb424,2412

      - usb424,2417

      - usb424,2514



  reg: true



  reset-gpios:

    description: GPIO connected to the RESET_N pin.



  vdd-supply:

    description: 3.3V power supply.



  clocks:

    description: External 24MHz clock connected to the CLKIN pin.

    maxItems: 1



required:

  - compatible

  - reg



unevaluatedProperties: false



examples:

  - |

    #include <dt-bindings/clock/imx6qdl-clock.h>

    #include <dt-bindings/gpio/gpio.h>



    usb {

        #address-cells = <1>;

        #size-cells = <0>;



        usb-hub@1 {

            compatible = "usb424,2514";

            reg = <1>;

            clocks = <&clks IMX6QDL_CLK_CKO>;

            reset-gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;

            vdd-supply = <&reg_3v3_hub>;

            #address-cells = <1>;

            #size-cells = <0>;



            ethernet@1 {

                compatible = "usbb95,772b";

                reg = <1>;

            };

        };

    };