# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/ipmi/ipmi-ipmb.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: IPMI IPMB device description: IPMI IPMB device bindings maintainers: - Corey Minyard properties: compatible: enum: - ipmi-ipmb device_type: items: - const: ipmi reg: maxItems: 1 bmcaddr: $ref: /schemas/types.yaml#/definitions/uint8 description: The address of the BMC on the IPMB bus. Defaults to 0x20. retry-time: $ref: /schemas/types.yaml#/definitions/uint32 description: | Time between retries of sends, in milliseconds. Defaults to 250. max-retries: $ref: /schemas/types.yaml#/definitions/uint32 description: Number of retries before a failure is declared. Defaults to 1. slave-dev: $ref: /schemas/types.yaml#/definitions/phandle description: | The slave i2c device. If not present, the main device is used. This lets you use two devices on the IPMB, one for master and one for slave, in case you have a slave device that can only be a slave. The slave will receive messages and the master will transmit. required: - compatible - reg additionalProperties: false examples: - | i2c { #address-cells = <1>; #size-cells = <0>; ipmi-ipmb@40 { compatible = "ipmi-ipmb"; device_type = "ipmi"; reg = <0x40>; bmcaddr = /bits/ 8 <0x20>; retry-time = <250>; max-retries = <1>; }; };