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     1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/phy/bcm-ns-usb3-phy.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Broadcom Northstar USB 3.0 PHY
    8 
    9 description: |
   10   Initialization of USB 3.0 PHY depends on Northstar version. There are currently
   11   three known series: Ax, Bx and Cx.
   12   Known A0: BCM4707 rev 0
   13   Known B0: BCM4707 rev 4, BCM53573 rev 2
   14   Known B1: BCM4707 rev 6
   15   Known C0: BCM47094 rev 0
   16 
   17 maintainers:
   18   - Rafał Miłecki <rafal@milecki.pl>
   19 
   20 properties:
   21   compatible:
   22     enum:
   23       - brcm,ns-ax-usb3-phy
   24       - brcm,ns-bx-usb3-phy
   25 
   26   reg:
   27     description: address of MDIO bus device
   28     maxItems: 1
   29 
   30   usb3-dmp-syscon:
   31     $ref: /schemas/types.yaml#/definitions/phandle
   32     description:
   33       Phandle to the DMP (Device Management Plugin) syscon
   34 
   35   "#phy-cells":
   36     const: 0
   37 
   38 required:
   39   - compatible
   40   - reg
   41   - usb3-dmp-syscon
   42   - "#phy-cells"
   43 
   44 additionalProperties: false
   45 
   46 examples:
   47   - |
   48     mdio {
   49         #address-cells = <1>;
   50         #size-cells = <0>;
   51 
   52         usb3-phy@10 {
   53             compatible = "brcm,ns-ax-usb3-phy";
   54             reg = <0x10>;
   55             usb3-dmp-syscon = <&usb3_dmp>;
   56             #phy-cells = <0>;
   57         };
   58     };
   59 
   60     usb3_dmp: syscon@18105000 {
   61         reg = <0x18105000 0x1000>;
   62     };
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