xref: /linux/Documentation/devicetree/bindings/net/nxp,dwmac-imx.yaml (revision b83deaa741558babf4b8d51d34f6637ccfff1b26) 
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    items:
58      - items:
59          - description: phandle to the GPR syscon
60          - description: the offset of the GPR register
61    description:
62      Should be phandle/offset pair. The phandle to the syscon node which
63      encompases the GPR register, and the offset of the GPR register.
64
65  snps,rmii_refclk_ext:
66    $ref: /schemas/types.yaml#/definitions/flag
67    description:
68      To select RMII reference clock from external.
69
70required:
71  - compatible
72  - clocks
73  - clock-names
74
75unevaluatedProperties: false
76
77examples:
78  - |
79    #include <dt-bindings/interrupt-controller/arm-gic.h>
80    #include <dt-bindings/interrupt-controller/irq.h>
81    #include <dt-bindings/clock/imx8mp-clock.h>
82
83    eqos: ethernet@30bf0000 {
84            compatible = "nxp,imx8mp-dwmac-eqos","snps,dwmac-5.10a";
85            reg = <0x30bf0000 0x10000>;
86            interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>,
87                         <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;
88            interrupt-names = "macirq", "eth_wake_irq";
89            clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>,
90                     <&clk IMX8MP_CLK_QOS_ENET_ROOT>,
91                     <&clk IMX8MP_CLK_ENET_QOS_TIMER>,
92                     <&clk IMX8MP_CLK_ENET_QOS>;
93            clock-names = "stmmaceth", "pclk", "ptp_ref", "tx";
94            phy-mode = "rgmii";
95            status = "disabled";
96    };
97