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# 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 bindings
description: IPMI IPMB device bindings
maintainers:
- Corey Minyard <cminyard@mvista.com>
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>;
};
};
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