FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/phy/bcm-ns-usb3-phy.txt

     Driver for Broadcom Northstar USB 3.0 PHY
     
     Required properties:
     
     - compatible: one of: "brcm,ns-ax-usb3-phy", "brcm,ns-bx-usb3-phy".
     - reg: address of MDIO bus device
     - usb3-dmp-syscon: phandle to syscon with DMP (Device Management Plugin)
                        registers
     - #phy-cells: must be 0
    
    Initialization of USB 3.0 PHY depends on Northstar version. There are currently
    three known series: Ax, Bx and Cx.
    Known A0: BCM4707 rev 0
    Known B0: BCM4707 rev 4, BCM53573 rev 2
    Known B1: BCM4707 rev 6
    Known C0: BCM47094 rev 0
    
    Example:
            mdio: mdio@0 {
                    reg = <0x0>;
                    #size-cells = <1>;
                    #address-cells = <0>;
    
                    usb3-phy@10 {
                            compatible = "brcm,ns-ax-usb3-phy";
                            reg = <0x10>;
                            usb3-dmp-syscon = <&usb3_dmp>;
                            #phy-cells = <0>;
                    };
            };
    
            usb3_dmp: syscon@18105000 {
                    reg = <0x18105000 0x1000>;
            };

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