dts/bindings/ethernet/infineon,xmc4xxx-ethernet.yaml

# Copyright (c) 2023 SLB
# SPDX-License-Identifier: Apache-2.0

description: XMC 4XXX Ethernet

compatible: "infineon,xmc4xxx-ethernet"

include:
  - name: ethernet-controller.yaml
  - name: pinctrl-device.yaml

properties:
  interrupts:
    required: true

  pinctrl-0:
    required: true

  pinctrl-names:
    required: true

  phy-connection-type:
    required: true

  rxd0-port-ctrl:
    required: true
    type: string
    description: Receive bit 0 (rxd0) signal GPIO connection. Used for RMII and MII interfaces.
    enum:
      - "P2_2"
      - "P0_2"
      - "P14_8"
      - "P5_0"

  rxd1-port-ctrl:
    required: true
    type: string
    description: Receive bit 1 (rxd1) signal GPIO connection. Used for RMII and MII interfaces.
    enum:
      - "P2_3"
      - "P0_3"
      - "P14_9"
      - "P5_1"

  rxd2-port-ctrl:
    type: string
    description: Receive bit 2 (rxd2) signal GPIO connection. Only used for MII interface.
    enum:
      - "P5_8"
      - "P6_4"

  rxd3-port-ctrl:
    type: string
    description: Receive bit 2 (rxd2) signal GPIO connection. Only used for MII interface.
    enum:
      - "P5_9"
      - "P6_3"

  rmii-rx-clk-port-ctrl:
    required: true
    description: |
      If the RMII interface is used it connects GPIO to the rmii-clk signal.
      Otherwise, if the MII interface is used, then it connects to the Receive clock (rx-clk)
      signal.
    type: string
    enum:
      - "P2_1"
      - "P0_0"
      - "P15_8"
      - "P6_5"

  crs-rx-dv-port-ctrl:
    required: true
    description: |
      If the RMII interface is used it connects GPIO to the Carrier Sense Data Valid (crs-dv)
      signal. Otherwise, if the MII interface is used, it connects to the
      Receive Data Valid (rx-dv) signal.
    type: string
    enum:
      - "P2_5"
      - "P0_1"
      - "P15_9"
      - "P5_2"

  crs-port-ctrl:
    description: Carrier Sense (crs) signal GPIO connection. Only used for the MII interface.
    type: string
    enum:
      - "P5_11"
      - "unused1"
      - "unused2"
      - "P5_4"

  rxer-port-ctrl:
    required: true
    description: Receive Error (rxer) signal GPIO connection. Used for MII and RMII interfaces.
    type: string
    enum:
      - "P2_4"
      - "P0_11"
      - "unused1"
      - "P5_3"

  col-port-ctrl:
    description: Collision (col) signal GPIO connection. Only used for MII interface.
    type: string
    enum:
      - "P2_15"
      - "unused1"
      - "unused2"
      - "P5_5"

  tx-clk-port-ctrl:
    description: Transmit clock (tx-clk) GPIO connection. Only used for MII interface.
    type: string
    enum:
      - "P5_10"
      - "P6_6"