Commit f151f3a6 authored by Rob Herring (Arm)'s avatar Rob Herring (Arm) Committed by Vinod Koul
Browse files

dt-bindings: phy: Convert brcm,ns2-drd-phy to DT schema 



Convert the Broadcom NS2 USB2 PHY binding to DT schema format. It's a
straight forward conversion.

Signed-off-by: default avatarRob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250607212456.740697-1-robh@kernel.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 65ad0d06

Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.txt

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BROADCOM NORTHSTAR2 USB2 (DUAL ROLE DEVICE) PHY



Required properties:

 - compatible: brcm,ns2-drd-phy

 - reg: offset and length of the NS2 PHY related registers.

 - reg-names

   The below registers must be provided.

   icfg - for DRD ICFG configurations

   rst-ctrl - for DRD IDM reset

   crmu-ctrl - for CRMU core vdd, PHY and PHY PLL reset

   usb2-strap - for port over current polarity reversal

 - #phy-cells: Must be 0. No args required.

 - vbus-gpios: vbus gpio binding

 - id-gpios: id gpio binding



Refer to phy/phy-bindings.txt for the generic PHY binding properties



Example:

	usbdrd_phy: phy@66000960 {

			#phy-cells = <0>;

			compatible = "brcm,ns2-drd-phy";

			reg = <0x66000960 0x24>,

			      <0x67012800 0x4>,

			      <0x6501d148 0x4>,

			      <0x664d0700 0x4>;

			reg-names = "icfg", "rst-ctrl",

				    "crmu-ctrl", "usb2-strap";

			id-gpios = <&gpio_g 30 0>;

			vbus-gpios = <&gpio_g 31 0>;

	};

Documentation/devicetree/bindings/phy/brcm,ns2-drd-phy.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/phy/brcm,ns2-drd-phy.yaml#

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



title: Broadcom Northstar2 USB2 Dual Role Device PHY



maintainers:

  - Florian Fainelli <florian.fainelli@broadcom.com>

  - Hauke Mehrtens <hauke@hauke-m.de>

  - Rafał Miłecki <zajec5@gmail.com>



properties:

  compatible:

    const: brcm,ns2-drd-phy



  reg:

    items:

      - description: DRD ICFG configurations

      - description: DRD IDM reset

      - description: CRMU core vdd, PHY and PHY PLL reset

      - description: Port over current polarity reversal



  reg-names:

    items:

      - const: icfg

      - const: rst-ctrl

      - const: crmu-ctrl

      - const: usb2-strap



  '#phy-cells':

    const: 0



  id-gpios:

    maxItems: 1

    description: ID GPIO line



  vbus-gpios:

    maxItems: 1

    description: VBUS GPIO line



required:

  - '#phy-cells'

  - compatible

  - reg

  - reg-names

  - id-gpios

  - vbus-gpios



additionalProperties: false



examples:

  - |

    phy@66000960 {

        #phy-cells = <0>;

        compatible = "brcm,ns2-drd-phy";

        reg = <0x66000960 0x24>, <0x67012800 0x4>, <0x6501d148 0x4>, <0x664d0700 0x4>;

        reg-names = "icfg", "rst-ctrl", "crmu-ctrl", "usb2-strap";

        id-gpios = <&gpio_g 30 0>;

        vbus-gpios = <&gpio_g 31 0>;

    };