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     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-smic.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: IPMI device bindings
    8 
    9 description: IPMI device bindings
   10 
   11 maintainers:
   12   - Corey Minyard <cminyard@mvista.com>
   13 
   14 properties:
   15   compatible:
   16     enum:
   17       - ipmi-kcs
   18       - ipmi-smic
   19       - ipmi-bt
   20 
   21   device_type:
   22     items:
   23       - const: "ipmi"
   24 
   25   reg:
   26     maxItems: 1
   27 
   28   interrupts:
   29     description: Interface is polled if this property is omitted.
   30     maxItems: 1
   31 
   32   reg-size:
   33     description: The access width of the register in bytes. Defaults to 1.
   34     $ref: /schemas/types.yaml#/definitions/uint32
   35     enum: [1, 2, 4, 8]
   36 
   37   reg-spacing:
   38     $ref: /schemas/types.yaml#/definitions/uint32
   39     description: The number of bytes between register starts. Defaults to 1.
   40 
   41   reg-shift:
   42     description: |
   43       The amount of bits to shift the register content to the right to get
   44       the data into bit zero.
   45     $ref: /schemas/types.yaml#/definitions/uint32
   46     maximum: 56
   47 
   48 required:
   49   - compatible
   50   - reg
   51 
   52 additionalProperties: false
   53 
   54 examples:
   55   - |
   56     smic@fff3a000 {
   57         compatible = "ipmi-smic";
   58         device_type = "ipmi";
   59         reg = <0xfff3a000 0x1000>;
   60         interrupts = <0 24 4>;
   61         reg-size = <4>;
   62         reg-spacing = <4>;
   63     };
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