Documentation / devicetree / bindings / phy / marvell,comphy-cp110.yaml


Based on kernel version 6.17. Page generated on 2025-10-03 10:04 EST.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167
# 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:
    minItems: 1
    maxItems: 3

  clock-names:
    minItems: 1
    maxItems: 3

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

patternProperties:
  '^phy@[0-5]$':
    description: A COMPHY lane child node
    type: object
    additionalProperties: false

    properties:
      reg:
        description: COMPHY lane number
        maximum: 5
 
      '#phy-cells':
        const: 1

      connector:
        type: object

    required:
      - reg
      - '#phy-cells'

required:
  - compatible
  - reg

additionalProperties: false

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

    then:
      properties:
        clocks:
          maxItems: 1
        clock-names:
          const: xtal

      required:
        - reg-names

    else:
      properties:
        clocks:
          minItems: 3
        clock-names:
          items:
            - const: mg_clk
            - const: mg_core_clk
            - const: axi_clk

      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>;
        };
    };