1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/ipmi/ipmi-i 4 $id: http://devicetree.org/schemas/ipmi/ipmi-ipmb.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: IPMI IPMB device 7 title: IPMI IPMB device
8 8
9 description: IPMI IPMB device bindings 9 description: IPMI IPMB device bindings
10 10
11 maintainers: 11 maintainers:
12 - Corey Minyard <cminyard@mvista.com> 12 - Corey Minyard <cminyard@mvista.com>
13 13
14 properties: 14 properties:
15 compatible: 15 compatible:
16 enum: 16 enum:
17 - ipmi-ipmb 17 - ipmi-ipmb
18 18
19 device_type: 19 device_type:
20 items: 20 items:
21 - const: ipmi 21 - const: ipmi
22 22
23 reg: 23 reg:
24 maxItems: 1 24 maxItems: 1
25 25
26 bmcaddr: 26 bmcaddr:
27 $ref: /schemas/types.yaml#/definitions/uin 27 $ref: /schemas/types.yaml#/definitions/uint8
28 description: The address of the BMC on the 28 description: The address of the BMC on the IPMB bus. Defaults to 0x20.
29 29
30 retry-time: 30 retry-time:
31 $ref: /schemas/types.yaml#/definitions/uin 31 $ref: /schemas/types.yaml#/definitions/uint32
32 description: | 32 description: |
33 Time between retries of sends, in millis 33 Time between retries of sends, in milliseconds. Defaults to 250.
34 34
35 max-retries: 35 max-retries:
36 $ref: /schemas/types.yaml#/definitions/uin 36 $ref: /schemas/types.yaml#/definitions/uint32
37 description: Number of retries before a fa 37 description: Number of retries before a failure is declared. Defaults to 1.
38 38
39 slave-dev: 39 slave-dev:
40 $ref: /schemas/types.yaml#/definitions/pha 40 $ref: /schemas/types.yaml#/definitions/phandle
41 description: | 41 description: |
42 The slave i2c device. If not present, t 42 The slave i2c device. If not present, the main device is used. This
43 lets you use two devices on the IPMB, on 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 44 in case you have a slave device that can only be a slave. The slave
45 will receive messages and the master wil 45 will receive messages and the master will transmit.
46 46
47 required: 47 required:
48 - compatible 48 - compatible
49 - reg 49 - reg
50 50
51 additionalProperties: false 51 additionalProperties: false
52 52
53 examples: 53 examples:
54 - | 54 - |
55 i2c { 55 i2c {
56 #address-cells = <1>; 56 #address-cells = <1>;
57 #size-cells = <0>; 57 #size-cells = <0>;
58 58
59 ipmi-ipmb@40 { 59 ipmi-ipmb@40 {
60 compatible = "ipmi-ipmb"; 60 compatible = "ipmi-ipmb";
61 device_type = "ipmi"; 61 device_type = "ipmi";
62 reg = <0x40>; 62 reg = <0x40>;
63 bmcaddr = /bits/ 8 <0x20>; 63 bmcaddr = /bits/ 8 <0x20>;
64 retry-time = <250>; 64 retry-time = <250>;
65 max-retries = <1>; 65 max-retries = <1>;
66 }; 66 };
67 }; 67 };
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