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

   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     };