1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/ipmi/ipmi-smic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: IPMI device
8
9 description: IPMI device bindings
10
11 maintainers:
12 - Corey Minyard <cminyard@mvista.com>
13
14 properties:
15 compatible:
16 enum:
17 - ipmi-kcs
18 - ipmi-smic
19 - ipmi-bt
20
21 device_type:
22 items:
23 - const: ipmi
24
25 reg:
26 maxItems: 1
27
28 interrupts:
29 description: Interface is polled if this property is omitted.
30 maxItems: 1
31
32 reg-size:
33 description: The access width of the register in bytes. Defaults to 1.
34 $ref: /schemas/types.yaml#/definitions/uint32
35 enum: [1, 2, 4, 8]
36
37 reg-spacing:
38 $ref: /schemas/types.yaml#/definitions/uint32
39 description: The number of bytes between register starts. Defaults to 1.
40
41 reg-shift:
42 description: |
43 The amount of bits to shift the register content to the right to get
44 the data into bit zero.
45 $ref: /schemas/types.yaml#/definitions/uint32
46 maximum: 56
47
48 required:
49 - compatible
50 - reg
51
52 additionalProperties: false
53
54 examples:
55 - |
56 smic@fff3a000 {
57 compatible = "ipmi-smic";
58 device_type = "ipmi";
59 reg = <0xfff3a000 0x1000>;
60 interrupts = <0 24 4>;
61 reg-size = <4>;
62 reg-spacing = <4>;
63 };
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