1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/net/fsl,enetc-mdio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: ENETC external MDIO PCIe endpoint device
8
9 description:
10 NETC provides an external master MDIO interface (EMDIO) for managing external
11 devices (PHYs). EMDIO supports both Clause 22 and 45 protocols. And the EMDIO
12 provides a means for different software modules to share a single set of MDIO
13 signals to access their PHYs.
14
15 maintainers:
16 - Frank Li <Frank.Li@nxp.com>
17 - Vladimir Oltean <vladimir.oltean@nxp.com>
18 - Wei Fang <wei.fang@nxp.com>
19 - Claudiu Manoil <claudiu.manoil@nxp.com>
20
21 properties:
22 compatible:
23 items:
24 - enum:
25 - pci1957,ee01
26 - const: fsl,enetc-mdio
27
28 reg:
29 maxItems: 1
30
31 required:
32 - compatible
33 - reg
34
35 allOf:
36 - $ref: mdio.yaml
37 - $ref: /schemas/pci/pci-device.yaml
38
39 unevaluatedProperties: false
40
41 examples:
42 - |
43 pcie{
44 #address-cells = <3>;
45 #size-cells = <2>;
46
47 mdio@0,3 {
48 compatible = "pci1957,ee01", "fsl,enetc-mdio";
49 reg = <0x000300 0 0 0 0>;
50 #address-cells = <1>;
51 #size-cells = <0>;
52
53 ethernet-phy@2 {
54 reg = <0x2>;
55 };
56 };
57 };
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