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-ipmb.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: IPMI IPMB device
8
9 description: IPMI IPMB device bindings
10
11 maintainers:
12 - Corey Minyard <cminyard@mvista.com>
13
14 properties:
15 compatible:
16 enum:
17 - ipmi-ipmb
18
19 device_type:
20 items:
21 - const: ipmi
22
23 reg:
24 maxItems: 1
25
26 bmcaddr:
27 $ref: /schemas/types.yaml#/definitions/uint8
28 description: The address of the BMC on the IPMB bus. Defaults to 0x20.
29
30 retry-time:
31 $ref: /schemas/types.yaml#/definitions/uint32
32 description: |
33 Time between retries of sends, in milliseconds. Defaults to 250.
34
35 max-retries:
36 $ref: /schemas/types.yaml#/definitions/uint32
37 description: Number of retries before a failure is declared. Defaults to 1.
38
39 slave-dev:
40 $ref: /schemas/types.yaml#/definitions/phandle
41 description: |
42 The slave i2c device. If not present, the main device is used. This
43 lets you use two devices on the IPMB, one for master and one for slave,
44 in case you have a slave device that can only be a slave. The slave
45 will receive messages and the master will transmit.
46
47 required:
48 - compatible
49 - reg
50
51 additionalProperties: false
52
53 examples:
54 - |
55 i2c {
56 #address-cells = <1>;
57 #size-cells = <0>;
58
59 ipmi-ipmb@40 {
60 compatible = "ipmi-ipmb";
61 device_type = "ipmi";
62 reg = <0x40>;
63 bmcaddr = /bits/ 8 <0x20>;
64 retry-time = <250>;
65 max-retries = <1>;
66 };
67 };
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