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Commit da86d286 authored by Neil Armstrong's avatar Neil Armstrong Committed by Rob Herring
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dt-bindings: phy: meson-g12a-usb2-phy: convert to yaml 



Now that we have the DT validation in place, let's convert the device tree
bindings for the Amlogic G12A USB2 PHY over to a YAML schemas.

While the original phy bindings specifies phy-supply as required,
the examples and implementations makes it optional, thus phy-supply
is not in the required list of attributes.

Reviewed-by: default avatarRob Herring <robh@kernel.org>
Reviewed-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: default avatarNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent f50ffbc5

Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb2-phy.yaml

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

# Copyright 2019 BayLibre, SAS

%YAML 1.2

---

$id: "http://devicetree.org/schemas/phy/amlogic,meson-g12a-usb2-phy.yaml#"

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



title: Amlogic G12A USB2 PHY



maintainers:

  - Neil Armstrong <narmstrong@baylibre.com>



properties:

  compatible:

    enum:

      - amlogic,meson-g12a-usb2-phy



  reg:

    maxItems: 1



  clocks:

    maxItems: 1



  clock-names:

    items:

      - const: xtal



  resets:

    maxItems: 1



  reset-names:

    items:

      - const: phy



  "#phy-cells":

    const: 0



  phy-supply:

     maxItems: 1

     description:

       Phandle to a regulator that provides power to the PHY. This

       regulator will be managed during the PHY power on/off sequence.



required:

  - compatible

  - reg

  - clocks

  - clock-names

  - resets

  - reset-names

  - "#phy-cells"



examples:

  - |

    phy@36000 {

          compatible = "amlogic,meson-g12a-usb2-phy";

          reg = <0x36000 0x2000>;

          clocks = <&xtal>;

          clock-names = "xtal";

          resets = <&phy_reset>;

          reset-names = "phy";

          #phy-cells = <0>;

    };

Documentation/devicetree/bindings/phy/meson-g12a-usb2-phy.txt

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* Amlogic G12A USB2 PHY binding



Required properties:

- compatible:	Should be "amlogic,meson-g12a-usb2-phy"

- reg:		The base address and length of the registers

- #phys-cells:	must be 0 (see phy-bindings.txt in this directory)

- clocks:	a phandle to the clock of this PHY

- clock-names:	must be "xtal"

- resets:	a phandle to the reset line of this PHY

- reset-names:	must be "phy"

- phy-supply:	see phy-bindings.txt in this directory



Example:

	usb2_phy0: phy@36000 {

		compatible = "amlogic,g12a-usb2-phy";

		reg = <0x0 0x36000 0x0 0x2000>;

		clocks = <&xtal>;

		clock-names = "xtal";

		resets = <&reset RESET_USB_PHY21>;

		reset-names = "phy";

		#phy-cells = <0>;

	};