nxp,dwmac-imx.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/net/nxp,dwmac-imx.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: NXP i.MX8/9 DWMAC glue layer
  8
  9maintainers:
 10  - Clark Wang <xiaoning.wang@nxp.com>
 11  - Shawn Guo <shawnguo@kernel.org>
 12  - NXP Linux Team <linux-imx@nxp.com>
 13
 14# We need a select here so we don't match all nodes with 'snps,dwmac'
 15select:
 16  properties:
 17    compatible:
 18      contains:
 19        enum:
 20          - nxp,imx8mp-dwmac-eqos
 21          - nxp,imx8dxl-dwmac-eqos
 22          - nxp,imx93-dwmac-eqos
 23  required:
 24    - compatible
 25
 26allOf:
 27  - $ref: snps,dwmac.yaml#
 28
 29properties:
 30  compatible:
 31    oneOf:
 32      - items:
 33          - enum:
 34              - nxp,imx8mp-dwmac-eqos
 35              - nxp,imx8dxl-dwmac-eqos
 36              - nxp,imx93-dwmac-eqos
 37          - const: snps,dwmac-5.10a
 38
 39  clocks:
 40    minItems: 3
 41    items:
 42      - description: MAC host clock
 43      - description: MAC apb clock
 44      - description: MAC timer clock
 45      - description: MAC RGMII TX clock
 46      - description: EQOS MEM clock
 47
 48  clock-names:
 49    minItems: 3
 50    maxItems: 5
 51    contains:
 52      enum:
 53        - stmmaceth
 54        - pclk
 55        - ptp_ref
 56        - tx
 57        - mem
 58
 59  interrupts:
 60    maxItems: 2
 61
 62  interrupt-names:
 63    items:
 64      - const: macirq
 65      - const: eth_wake_irq
 66
 67  intf_mode:
 68    $ref: /schemas/types.yaml#/definitions/phandle-array
 69    items:
 70      - items:
 71          - description: phandle to the GPR syscon
 72          - description: the offset of the GPR register
 73    description:
 74      Should be phandle/offset pair. The phandle to the syscon node which
 75      encompases the GPR register, and the offset of the GPR register.
 76
 77  nvmem-cells: true
 78
 79  nvmem-cell-names: true
 80
 81  snps,rmii_refclk_ext:
 82    $ref: /schemas/types.yaml#/definitions/flag
 83    description:
 84      To select RMII reference clock from external.
 85
 86required:
 87  - compatible
 88  - clocks
 89  - clock-names
 90
 91unevaluatedProperties: false
 92
 93examples:
 94  - |
 95    #include <dt-bindings/interrupt-controller/arm-gic.h>
 96    #include <dt-bindings/interrupt-controller/irq.h>
 97    #include <dt-bindings/clock/imx8mp-clock.h>
 98
 99    eqos: ethernet@30bf0000 {
100            compatible = "nxp,imx8mp-dwmac-eqos","snps,dwmac-5.10a";
101            reg = <0x30bf0000 0x10000>;
102            interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
103                         <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;
104            interrupt-names = "macirq", "eth_wake_irq";
105            clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>,
106                     <&clk IMX8MP_CLK_QOS_ENET_ROOT>,
107                     <&clk IMX8MP_CLK_ENET_QOS_TIMER>,
108                     <&clk IMX8MP_CLK_ENET_QOS>;
109            clock-names = "stmmaceth", "pclk", "ptp_ref", "tx";
110            phy-mode = "rgmii";
111    };