xref: /linux/Documentation/devicetree/bindings/phy/marvell,comphy-cp110.yaml (revision 8582976acc8504cec53a7b6fed493435eba8437f)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/marvell,comphy-cp110.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Marvell MVEBU COMPHY Controller

maintainers:
  - Miquel Raynal <miquel.raynal@bootlin.com>

description: >
  COMPHY controllers can be found on the following Marvell MVEBU SoCs:

    * Armada 7k/8k (on the CP110)
    * Armada 3700

  It provides a number of shared PHYs used by various interfaces (network, SATA,
  USB, PCIe...).

properties:
  compatible:
    enum:
      - marvell,comphy-cp110
      - marvell,comphy-a3700

  reg:
    minItems: 1
    items:
      - description: Generic COMPHY registers
      - description: Lane 1 (PCIe/GbE) registers (Armada 3700)
      - description: Lane 0 (USB3/GbE) registers (Armada 3700)
      - description: Lane 2 (SATA/USB3) registers (Armada 3700)

  reg-names:
    minItems: 1
    items:
      - const: comphy
      - const: lane1_pcie_gbe
      - const: lane0_usb3_gbe
      - const: lane2_sata_usb3

  '#address-cells':
    const: 1

  '#size-cells':
    const: 0

  clocks:
    maxItems: 3
    description: Reference clocks for CP110; MG clock, MG Core clock, AXI clock

  clock-names:
    items:
      - const: mg_clk
      - const: mg_core_clk
      - const: axi_clk

  marvell,system-controller:
    description: Phandle to the Marvell system controller (CP110 only)
    $ref: /schemas/types.yaml#/definitions/phandle

patternProperties:
  '^phy@[0-2]$':
    description: A COMPHY lane child node
    type: object
    additionalProperties: false

    properties:
      reg:
        description: COMPHY lane number

      '#phy-cells':
        const: 1

    required:
      - reg
      - '#phy-cells'

required:
  - compatible
  - reg

additionalProperties: false

allOf:
  - if:
      properties:
        compatible:
          const: marvell,comphy-a3700

    then:
      properties:
        clocks: false
        clock-names: false

      required:
        - reg-names

    else:
      required:
        - marvell,system-controller

examples:
  - |
    phy@120000 {
        compatible = "marvell,comphy-cp110";
        reg = <0x120000 0x6000>;
        clocks = <&clk 1 5>, <&clk 1 6>, <&clk 1 18>;
        clock-names = "mg_clk", "mg_core_clk", "axi_clk";
        #address-cells = <1>;
        #size-cells = <0>;
        marvell,system-controller = <&syscon0>;

        phy@0 {
            reg = <0>;
            #phy-cells = <1>;
        };

        phy@1 {
            reg = <1>;
            #phy-cells = <1>;
        };
    };

  - |
    phy@18300 {
        compatible = "marvell,comphy-a3700";
        reg = <0x18300 0x300>,
              <0x1F000 0x400>,
              <0x5C000 0x400>,
              <0xe0178 0x8>;
        reg-names = "comphy",
                    "lane1_pcie_gbe",
                    "lane0_usb3_gbe",
                    "lane2_sata_usb3";
        #address-cells = <1>;
        #size-cells = <0>;

        comphy0: phy@0 {
            reg = <0>;
            #phy-cells = <1>;
        };

        comphy1: phy@1 {
            reg = <1>;
            #phy-cells = <1>;
        };

        comphy2: phy@2 {
            reg = <2>;
            #phy-cells = <1>;
        };
    };