1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-C
2 # Copyright 2018 Linaro Ltd.
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/net/intel,i
6 $schema: http://devicetree.org/meta-schemas/co
7
8 title: Intel IXP4xx ethernet
9
10 allOf:
11 - $ref: ethernet-controller.yaml#
12
13 maintainers:
14 - Linus Walleij <linus.walleij@linaro.org>
15
16 description: |
17 The Intel IXP4xx ethernet makes use of the I
18 Processing Engine) and the IXP4xx Queue Mana
19 the ethernet frames. It can optionally conta
20 talk to PHYs.
21
22 properties:
23 compatible:
24 const: intel,ixp4xx-ethernet
25
26 reg:
27 maxItems: 1
28 description: Ethernet MMIO address range
29
30 queue-rx:
31 $ref: /schemas/types.yaml#/definitions/pha
32 items:
33 - items:
34 - description: phandle to the RX que
35 - description: RX queue instance to
36 description: phandle to the RX queue on th
37
38 queue-txready:
39 $ref: /schemas/types.yaml#/definitions/pha
40 items:
41 - items:
42 - description: phandle to the TX REA
43 - description: TX READY queue instan
44 description: phandle to the TX READY queue
45
46 phy-mode: true
47
48 phy-handle: true
49
50 intel,npe-handle:
51 $ref: /schemas/types.yaml#/definitions/pha
52 items:
53 - items:
54 - description: phandle to the NPE th
55 - description: the NPE instance to u
56 description: phandle to the NPE this ether
57 and the instance to use in the second ce
58
59 mdio:
60 $ref: mdio.yaml#
61 unevaluatedProperties: false
62 description: optional node for embedded MD
63
64 required:
65 - compatible
66 - reg
67 - queue-rx
68 - queue-txready
69 - intel,npe-handle
70
71 additionalProperties: false
72
73 examples:
74 - |
75 npe: npe@c8006000 {
76 compatible = "intel,ixp4xx-network-proce
77 reg = <0xc8006000 0x1000>, <0xc8007000 0
78 };
79
80 ethernet@c8009000 {
81 compatible = "intel,ixp4xx-ethernet";
82 reg = <0xc8009000 0x1000>;
83 queue-rx = <&qmgr 4>;
84 queue-txready = <&qmgr 21>;
85 intel,npe-handle = <&npe 1>;
86 phy-mode = "rgmii";
87 phy-handle = <&phy1>;
88 };
89
90 ethernet@c800c000 {
91 compatible = "intel,ixp4xx-ethernet";
92 reg = <0xc800c000 0x1000>;
93 queue-rx = <&qmgr 3>;
94 queue-txready = <&qmgr 20>;
95 intel,npe-handle = <&npe 2>;
96 phy-mode = "rgmii";
97 phy-handle = <&phy2>;
98
99 mdio {
100 #address-cells = <1>;
101 #size-cells = <0>;
102 phy1: ethernet-phy@1 {
103 reg = <1>;
104 };
105 phy2: ethernet-phy@2 {
106 reg = <2>;
107 };
108 };
109 };
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