1Driver for Broadcom Northstar USB 3.0 PHY 2 3Required properties: 4 5- compatible: one of: "brcm,ns-ax-usb3-phy", "brcm,ns-bx-usb3-phy". 6- reg: address of MDIO bus device 7- usb3-dmp-syscon: phandle to syscon with DMP (Device Management Plugin) 8 registers 9- #phy-cells: must be 0 10 11Initialization of USB 3.0 PHY depends on Northstar version. There are currently 12three known series: Ax, Bx and Cx. 13Known A0: BCM4707 rev 0 14Known B0: BCM4707 rev 4, BCM53573 rev 2 15Known B1: BCM4707 rev 6 16Known C0: BCM47094 rev 0 17 18Example: 19 mdio: mdio@0 { 20 reg = <0x0>; 21 #size-cells = <1>; 22 #address-cells = <0>; 23 24 usb3-phy@10 { 25 compatible = "brcm,ns-ax-usb3-phy"; 26 reg = <0x10>; 27 usb3-dmp-syscon = <&usb3_dmp>; 28 #phy-cells = <0>; 29 }; 30 }; 31 32 usb3_dmp: syscon@18105000 { 33 reg = <0x18105000 0x1000>; 34 }; 35