Commit c859d300 authored by Mohammad Shehar Yaar Tausif's avatar Mohammad Shehar Yaar Tausif Committed by Greg Kroah-Hartman
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dt-bindings: usb: uhci: convert to dt schema 



Convert USB UHCI bindings to DT schema. Documenting aspeed compatibles
and missing properties. Adding aspeed/generic-uhci example and fixing
nodename for the original example.

Signed-off-by: default avatarMohammad Shehar Yaar Tausif <sheharyaar48@gmail.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240423150550.91055-1-sheharyaar48@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 14e37bff

Documentation/devicetree/bindings/usb/usb-uhci.txt

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Generic Platform UHCI Controller

-----------------------------------------------------



Required properties:

- compatible : "generic-uhci" (deprecated: "platform-uhci")

- reg : Should contain 1 register ranges(address and length)

- interrupts : UHCI controller interrupt



additionally the properties from usb-hcd.yaml (in the current directory) are

supported.



Example:



	uhci@d8007b00 {

		compatible = "generic-uhci";

		reg = <0xd8007b00 0x200>;

		interrupts = <43>;

	};

Documentation/devicetree/bindings/usb/usb-uhci.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/usb-uhci.yaml#

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



title: Generic Platform UHCI Controller



maintainers:

  - Greg Kroah-Hartman <gregkh@linuxfoundation.org>



properties:

  compatible:

    oneOf:

      - const: generic-uhci

      - const: platform-uhci

        deprecated: true

      - items:

          - enum:

              - aspeed,ast2400-uhci

              - aspeed,ast2500-uhci

              - aspeed,ast2600-uhci

          - const: generic-uhci



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  '#ports':

    $ref: /schemas/types.yaml#/definitions/uint32



  clocks:

    maxItems: 1



required:

  - compatible

  - reg

  - interrupts



allOf:

  - $ref: usb-hcd.yaml

  - if:

      properties:

        compatible:

          contains:

            const: generic-uhci

    then:

      required:

        - clocks



unevaluatedProperties: false



examples:

  - |

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



    usb@d8007b00 {

        compatible = "generic-uhci";

        reg = <0xd8007b00 0x200>;

        interrupts = <43>;

        clocks = <&syscon ASPEED_CLK_GATE_USBUHCICLK>;

    };

  - |

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



    usb@1e6b0000 {

        compatible = "aspeed,ast2500-uhci", "generic-uhci";

        reg = <0x1e6b0000 0x100>;

        interrupts = <14>;

        #ports = <2>;

        clocks = <&syscon ASPEED_CLK_GATE_USBUHCICLK>;

    };

...