xref: /linux/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml (revision a4eb44a6435d6d8f9e642407a4a06f65eb90ca04) 
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 DWMAC glue layer Device Tree Bindings
8
9maintainers:
10  - Joakim Zhang <qiangqing.zhang@nxp.com>
11
12# We need a select here so we don't match all nodes with 'snps,dwmac'
13select:
14  properties:
15    compatible:
16      contains:
17        enum:
18          - nxp,imx8mp-dwmac-eqos
19          - nxp,imx8dxl-dwmac-eqos
20  required:
21    - compatible
22
23allOf:
24  - $ref: "snps,dwmac.yaml#"
25
26properties:
27  compatible:
28    oneOf:
29      - items:
30          - enum:
31              - nxp,imx8mp-dwmac-eqos
32              - nxp,imx8dxl-dwmac-eqos
33          - const: snps,dwmac-5.10a
34
35  clocks:
36    minItems: 3
37    items:
38      - description: MAC host clock
39      - description: MAC apb clock
40      - description: MAC timer clock
41      - description: MAC RGMII TX clock
42      - description: EQOS MEM clock
43
44  clock-names:
45    minItems: 3
46    maxItems: 5
47    contains:
48      enum:
49        - stmmaceth
50        - pclk
51        - ptp_ref
52        - tx
53        - mem
54
55  intf_mode:
56    $ref: /schemas/types.yaml#/definitions/phandle-array
57    description:
58      Should be phandle/offset pair. The phandle to the syscon node which
59      encompases the GPR register, and the offset of the GPR register.
60
61  snps,rmii_refclk_ext:
62    $ref: /schemas/types.yaml#/definitions/flag
63    description:
64      To select RMII reference clock from external.
65
66required:
67  - compatible
68  - clocks
69  - clock-names
70
71unevaluatedProperties: false
72
73examples:
74  - |
75    #include <dt-bindings/interrupt-controller/arm-gic.h>
76    #include <dt-bindings/interrupt-controller/irq.h>
77    #include <dt-bindings/clock/imx8mp-clock.h>
78
79    eqos: ethernet@30bf0000 {
80            compatible = "nxp,imx8mp-dwmac-eqos","snps,dwmac-5.10a";
81            reg = <0x30bf0000 0x10000>;
82            interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
83                         <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;
84            interrupt-names = "macirq", "eth_wake_irq";
85            clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>,
86                     <&clk IMX8MP_CLK_QOS_ENET_ROOT>,
87                     <&clk IMX8MP_CLK_ENET_QOS_TIMER>,
88                     <&clk IMX8MP_CLK_ENET_QOS>;
89            clock-names = "stmmaceth", "pclk", "ptp_ref", "tx";
90            phy-mode = "rgmii";
91            status = "disabled";
92    };
93