Documentation/devicetree/bindings/phy/bcm-ns-usb3-phy.txt

   1 Driver for Broadcom Northstar USB 3.0 PHY
   2
   3 Required 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
  11 Initialization of USB 3.0 PHY depends on Northstar version. There are currently
  12 three known series: Ax, Bx and Cx.
  13 Known A0: BCM4707 rev 0
  14 Known B0: BCM4707 rev 4, BCM53573 rev 2
  15 Known B1: BCM4707 rev 6
  16 Known C0: BCM47094 rev 0
  17
  18 Example:
  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         };