xref: /openbmc/linux/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml (revision 39bd2b6a)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/nxp,dwmac-imx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NXP i.MX8 DWMAC glue layer Device Tree Bindings

maintainers:
  - Joakim Zhang <qiangqing.zhang@nxp.com>

# We need a select here so we don't match all nodes with 'snps,dwmac'
select:
  properties:
    compatible:
      contains:
        enum:
          - nxp,imx8mp-dwmac-eqos
          - nxp,imx8dxl-dwmac-eqos
  required:
    - compatible

allOf:
  - $ref: "snps,dwmac.yaml#"

properties:
  compatible:
    oneOf:
      - items:
          - enum:
              - nxp,imx8mp-dwmac-eqos
              - nxp,imx8dxl-dwmac-eqos
          - const: snps,dwmac-5.10a

  clocks:
    minItems: 3
    items:
      - description: MAC host clock
      - description: MAC apb clock
      - description: MAC timer clock
      - description: MAC RGMII TX clock
      - description: EQOS MEM clock

  clock-names:
    minItems: 3
    maxItems: 5
    contains:
      enum:
        - stmmaceth
        - pclk
        - ptp_ref
        - tx
        - mem

  intf_mode:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    items:
      - items:
          - description: phandle to the GPR syscon
          - description: the offset of the GPR register
    description:
      Should be phandle/offset pair. The phandle to the syscon node which
      encompases the GPR register, and the offset of the GPR register.

  snps,rmii_refclk_ext:
    $ref: /schemas/types.yaml#/definitions/flag
    description:
      To select RMII reference clock from external.

required:
  - compatible
  - clocks
  - clock-names

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/clock/imx8mp-clock.h>

    eqos: ethernet@30bf0000 {
            compatible = "nxp,imx8mp-dwmac-eqos","snps,dwmac-5.10a";
            reg = <0x30bf0000 0x10000>;
            interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
                         <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;
            interrupt-names = "macirq", "eth_wake_irq";
            clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>,
                     <&clk IMX8MP_CLK_QOS_ENET_ROOT>,
                     <&clk IMX8MP_CLK_ENET_QOS_TIMER>,
                     <&clk IMX8MP_CLK_ENET_QOS>;
            clock-names = "stmmaceth", "pclk", "ptp_ref", "tx";
            phy-mode = "rgmii";
            status = "disabled";
    };