FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/phy/bcm-ns-usb2-phy.yaml

     # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
     %YAML 1.2
     ---
     $id: http://devicetree.org/schemas/phy/bcm-ns-usb2-phy.yaml#
     $schema: http://devicetree.org/meta-schemas/core.yaml#
     
     title: Broadcom Northstar USB 2.0 PHY
     
     description: >
      To initialize USB 2.0 PHY driver needs to setup PLL correctly.
      To do this it requires passing phandle to the USB PHY reference clock.
    
    maintainers:
      - Rafał Miłecki <rafal@milecki.pl>
    
    properties:
      compatible:
        const: brcm,ns-usb2-phy
    
      reg:
        anyOf:
          - maxItems: 1
            description: PHY control register
          - maxItems: 1
            description: iomem address range of DMU (Device Management Unit)
            deprecated: true
    
      reg-names:
        items:
          - const: dmu
    
      brcm,syscon-clkset:
        description: phandle to syscon for clkset register
        $ref: /schemas/types.yaml#/definitions/phandle
    
      clocks:
        items:
          - description: USB PHY reference clock
    
      clock-names:
        items:
          - const: phy-ref-clk
    
      "#phy-cells":
        const: 0
    
    required:
      - compatible
      - reg
      - clocks
      - clock-names
      - "#phy-cells"
    
    oneOf:
      - required:
          - brcm,syscon-clkset
      - required:
          - reg-names
    
    additionalProperties: false
    
    examples:
      - |
        #include <dt-bindings/clock/bcm-nsp.h>
        phy@1800c164 {
            compatible = "brcm,ns-usb2-phy";
            reg = <0x1800c164 0x4>;
            brcm,syscon-clkset = <&clkset>;
            clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
            clock-names = "phy-ref-clk";
            #phy-cells = <0>;
        };

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