marvell,armada-cp110-utmi-phy.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 
    3 %YAML 1.2
    4 ---
    5 $id: "http://devicetree.org/schemas/phy/marvell,armada-cp110-utmi-phy.yaml#"
    6 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
    7 
    8 title: Marvell Armada CP110/CP115 UTMI PHY
    9 
   10 maintainers:
   11   - Konstantin Porotchkin <kostap@marvell.com>
   12 
   13 description:
   14   On Armada 7k/8k and CN913x, there are two host and one device USB controllers.
   15   Each of two exiting UTMI PHYs could be connected to either USB host or USB device
   16   controller.
   17   The USB device controller can only be connected to a single UTMI PHY port
   18                       0.H----- USB HOST0
   19   UTMI PHY0  --------/
   20                       0.D-----0
   21                                \------ USB DEVICE
   22                       1.D-----1
   23   UTMI PHY1  --------\
   24                       1.H----- USB HOST1
   25 
   26 properties:
   27   compatible:
   28     const: marvell,cp110-utmi-phy
   29 
   30   reg:
   31     maxItems: 1
   32 
   33   "#address-cells":
   34     const: 1
   35 
   36   "#size-cells":
   37     const: 0
   38 
   39   marvell,system-controller:
   40     description:
   41       Phandle to the system controller node
   42     $ref: /schemas/types.yaml#/definitions/phandle
   43 
   44 #Required child nodes:
   45 
   46 patternProperties:
   47   "^usb-phy@[0|1]$":
   48     type: object
   49     description:
   50       Each UTMI PHY port must be represented as a sub-node.
   51 
   52     properties:
   53       reg:
   54         description: phy port index.
   55         maxItems: 1
   56 
   57       "#phy-cells":
   58         const: 0
   59 
   60     required:
   61       - reg
   62       - "#phy-cells"
   63 
   64     additionalProperties: false
   65 
   66 required:
   67   - compatible
   68   - reg
   69   - "#address-cells"
   70   - "#size-cells"
   71   - marvell,system-controller
   72 
   73 additionalProperties: false
   74 
   75 examples:
   76   - |
   77     cp0_utmi: utmi@580000 {
   78       compatible = "marvell,cp110-utmi-phy";
   79       reg = <0x580000 0x2000>;
   80       marvell,system-controller = <&cp0_syscon0>;
   81       #address-cells = <1>;
   82       #size-cells = <0>;
   83 
   84       cp0_utmi0: usb-phy@0 {
   85         reg = <0>;
   86         #phy-cells = <0>;
   87       };
   88 
   89       cp0_utmi1: usb-phy@1 {
   90         reg = <1>;
   91         #phy-cells = <0>;
   92       };
   93     };
   94 
   95     cp0_usb3_0 {
   96       usb-phy = <&cp0_usb3_0_phy0>;
   97       phys = <&cp0_utmi0>;
   98       phy-names = "utmi";
   99       /* UTMI0 is connected to USB host controller (default mode) */
  100       dr_mode = "host";
  101     };
  102 
  103     cp0_usb3_1 {
  104       usb-phy = <&cp0_usb3_0_phy1>;
  105       phys = <&cp0_utmi1>;
  106       phy-names = "utmi";
  107       /* UTMI1 is connected to USB device controller */
  108       dr_mode = "peripheral";
  109     };

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