0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/ipmi/ipmi-ipmb.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: IPMI IPMB device bindings
0008
0009 description: IPMI IPMB device bindings
0010
0011 maintainers:
0012 - Corey Minyard <cminyard@mvista.com>
0013
0014 properties:
0015 compatible:
0016 enum:
0017 - ipmi-ipmb
0018
0019 device_type:
0020 items:
0021 - const: "ipmi"
0022
0023 reg:
0024 maxItems: 1
0025
0026 bmcaddr:
0027 $ref: /schemas/types.yaml#/definitions/uint8
0028 description: The address of the BMC on the IPMB bus. Defaults to 0x20.
0029
0030 retry-time:
0031 $ref: /schemas/types.yaml#/definitions/uint32
0032 description: |
0033 Time between retries of sends, in milliseconds. Defaults to 250.
0034
0035 max-retries:
0036 $ref: /schemas/types.yaml#/definitions/uint32
0037 description: Number of retries before a failure is declared. Defaults to 1.
0038
0039 slave-dev:
0040 $ref: /schemas/types.yaml#/definitions/phandle
0041 description: |
0042 The slave i2c device. If not present, the main device is used. This
0043 lets you use two devices on the IPMB, one for master and one for slave,
0044 in case you have a slave device that can only be a slave. The slave
0045 will receive messages and the master will transmit.
0046
0047 required:
0048 - compatible
0049 - reg
0050
0051 additionalProperties: false
0052
0053 examples:
0054 - |
0055 i2c {
0056 #address-cells = <1>;
0057 #size-cells = <0>;
0058
0059 ipmi-ipmb@40 {
0060 compatible = "ipmi-ipmb";
0061 device_type = "ipmi";
0062 reg = <0x40>;
0063 bmcaddr = /bits/ 8 <0x20>;
0064 retry-time = <250>;
0065 max-retries = <1>;
0066 };
0067 };
