1 # SPDX-License-Identifier: GPL-2.0-or-later OR 1 # SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/net/litex,l 4 $id: http://devicetree.org/schemas/net/litex,liteeth.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: LiteX LiteETH ethernet device 7 title: LiteX LiteETH ethernet device
8 8
9 maintainers: 9 maintainers:
10 - Joel Stanley <joel@jms.id.au> 10 - Joel Stanley <joel@jms.id.au>
11 11
12 description: | 12 description: |
13 LiteETH is a small footprint and configurabl 13 LiteETH is a small footprint and configurable Ethernet core for FPGA based
14 system on chips. 14 system on chips.
15 15
16 The hardware source is Open Source and can b 16 The hardware source is Open Source and can be found on at
17 https://github.com/enjoy-digital/liteeth/. 17 https://github.com/enjoy-digital/liteeth/.
18 18
19 allOf: 19 allOf:
20 - $ref: ethernet-controller.yaml# 20 - $ref: ethernet-controller.yaml#
21 21
22 properties: 22 properties:
23 compatible: 23 compatible:
24 const: litex,liteeth 24 const: litex,liteeth
25 25
26 reg: 26 reg:
27 items: 27 items:
28 - description: MAC registers 28 - description: MAC registers
29 - description: MDIO registers 29 - description: MDIO registers
30 - description: Packet buffer 30 - description: Packet buffer
31 31
32 reg-names: 32 reg-names:
33 items: 33 items:
34 - const: mac 34 - const: mac
35 - const: mdio 35 - const: mdio
36 - const: buffer 36 - const: buffer
37 37
38 interrupts: 38 interrupts:
39 maxItems: 1 39 maxItems: 1
40 40
41 litex,rx-slots: 41 litex,rx-slots:
42 description: Number of slots in the receiv 42 description: Number of slots in the receive buffer
43 $ref: /schemas/types.yaml#/definitions/uin 43 $ref: /schemas/types.yaml#/definitions/uint32
44 minimum: 1 44 minimum: 1
45 default: 2 45 default: 2
46 46
47 litex,tx-slots: 47 litex,tx-slots:
48 description: Number of slots in the transm 48 description: Number of slots in the transmit buffer
49 $ref: /schemas/types.yaml#/definitions/uin 49 $ref: /schemas/types.yaml#/definitions/uint32
50 minimum: 1 50 minimum: 1
51 default: 2 51 default: 2
52 52
53 litex,slot-size: 53 litex,slot-size:
54 description: Size in bytes of a slot in th 54 description: Size in bytes of a slot in the tx/rx buffer
55 $ref: /schemas/types.yaml#/definitions/uin 55 $ref: /schemas/types.yaml#/definitions/uint32
56 minimum: 0x800 56 minimum: 0x800
57 default: 0x800 57 default: 0x800
58 58
59 mac-address: true 59 mac-address: true
60 local-mac-address: true 60 local-mac-address: true
61 phy-handle: true 61 phy-handle: true
62 62
63 mdio: 63 mdio:
64 $ref: mdio.yaml# 64 $ref: mdio.yaml#
65 unevaluatedProperties: false 65 unevaluatedProperties: false
66 66
67 required: 67 required:
68 - compatible 68 - compatible
69 - reg 69 - reg
70 - interrupts 70 - interrupts
71 71
72 additionalProperties: false 72 additionalProperties: false
73 73
74 examples: 74 examples:
75 - | 75 - |
76 mac: ethernet@8020000 { 76 mac: ethernet@8020000 {
77 compatible = "litex,liteeth"; 77 compatible = "litex,liteeth";
78 reg = <0x8021000 0x100>, 78 reg = <0x8021000 0x100>,
79 <0x8020800 0x100>, 79 <0x8020800 0x100>,
80 <0x8030000 0x2000>; 80 <0x8030000 0x2000>;
81 reg-names = "mac", "mdio", "buffer"; 81 reg-names = "mac", "mdio", "buffer";
82 litex,rx-slots = <2>; 82 litex,rx-slots = <2>;
83 litex,tx-slots = <2>; 83 litex,tx-slots = <2>;
84 litex,slot-size = <0x800>; 84 litex,slot-size = <0x800>;
85 interrupts = <0x11 0x1>; 85 interrupts = <0x11 0x1>;
86 phy-handle = <ð_phy>; 86 phy-handle = <ð_phy>;
87 87
88 mdio { 88 mdio {
89 #address-cells = <1>; 89 #address-cells = <1>;
90 #size-cells = <0>; 90 #size-cells = <0>;
91 91
92 eth_phy: ethernet-phy@0 { 92 eth_phy: ethernet-phy@0 {
93 reg = <0>; 93 reg = <0>;
94 }; 94 };
95 }; 95 };
96 }; 96 };
97 ... 97 ...
98 98
99 # vim: set ts=2 sw=2 sts=2 tw=80 et cc=80 ft= 99 # vim: set ts=2 sw=2 sts=2 tw=80 et cc=80 ft=yaml :
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