apm,xgene-enet.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/net/apm,xgene-enet.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: APM X-Gene SoC Ethernet
  8
  9maintainers:
 10  - Iyappan Subramanian <iyappan@os.amperecomputing.com>
 11  - Keyur Chudgar <keyur@os.amperecomputing.com>
 12  - Quan Nguyen <quan@os.amperecomputing.com>
 13
 14allOf:
 15  - $ref: ethernet-controller.yaml#
 16
 17properties:
 18  compatible:
 19    enum:
 20      - apm,xgene-enet
 21      - apm,xgene1-sgenet
 22      - apm,xgene1-xgenet
 23      - apm,xgene2-sgenet
 24      - apm,xgene2-xgenet
 25
 26  reg:
 27    maxItems: 3
 28
 29  reg-names:
 30    items:
 31      - const: enet_csr
 32      - const: ring_csr
 33      - const: ring_cmd
 34
 35  clocks:
 36    maxItems: 1
 37
 38  dma-coherent: true
 39
 40  interrupts:
 41    description: An rx and tx completion interrupt pair per queue
 42    minItems: 1
 43    maxItems: 16
 44
 45  channel:
 46    description: Ethernet to CPU start channel number
 47    $ref: /schemas/types.yaml#/definitions/uint32
 48
 49  port-id:
 50    description: Port number
 51    $ref: /schemas/types.yaml#/definitions/uint32
 52    maximum: 1
 53
 54  tx-delay:
 55    description: Delay value for RGMII bridge TX clock
 56    $ref: /schemas/types.yaml#/definitions/uint32
 57    maximum: 7
 58    default: 4
 59
 60  rx-delay:
 61    description: Delay value for RGMII bridge RX clock
 62    $ref: /schemas/types.yaml#/definitions/uint32
 63    maximum: 7
 64    default: 2
 65
 66  rxlos-gpios:
 67    description: Input GPIO from SFP+ module indicating incoming signal
 68    maxItems: 1
 69
 70  mdio:
 71    description: MDIO bus subnode
 72    $ref: mdio.yaml#
 73    unevaluatedProperties: false
 74
 75    properties:
 76      compatible:
 77        const: apm,xgene-mdio
 78
 79    required:
 80      - compatible
 81
 82required:
 83  - compatible
 84  - reg
 85  - interrupts
 86
 87unevaluatedProperties: false
 88
 89examples:
 90  - |
 91    ethernet@17020000 {
 92        compatible = "apm,xgene-enet";
 93        reg = <0x17020000 0xd100>,
 94              <0x17030000 0x400>,
 95              <0x10000000 0x200>;
 96        reg-names = "enet_csr", "ring_csr", "ring_cmd";
 97        interrupts = <0x0 0x3c 0x4>;
 98        channel = <0>;
 99        port-id = <0>;
100        clocks = <&menetclk 0>;
101        local-mac-address = [00 01 73 00 00 01];
102        phy-connection-type = "rgmii";
103        phy-handle = <&menetphy>;
104
105        mdio {
106            compatible = "apm,xgene-mdio";
107            #address-cells = <1>;
108            #size-cells = <0>;
109
110            menetphy: ethernet-phy@3 {
111                compatible = "ethernet-phy-id001c.c915";
112                reg = <3>;
113            };
114        };
115    };