[PATCH v2 1/3] dt-bindings: fsi: Document the IBM SBEFIFO engine

Eddie James eajames at linux.ibm.com
Sat Apr 20 06:32:20 AEST 2024


On 4/16/24 12:25, Conor Dooley wrote:
> On Mon, Apr 15, 2024 at 10:39:05AM -0500, Eddie James wrote:
>> The SBEFIFO engine provides an interface to the POWER processor
>> Self Boot Engine (SBE).
>>
>> Signed-off-by: Eddie James <eajames at linux.ibm.com>
>> ---
>> Changes since v1:
>>   - Chance "ody" to "odyssey"
>>   - Fix typo in commit message
>>   - Reword description to describe the hardware only
>>
>>   .../devicetree/bindings/fsi/ibm,sbefifo.yaml  | 39 +++++++++++++++++++
>>   1 file changed, 39 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/fsi/ibm,sbefifo.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/fsi/ibm,sbefifo.yaml b/Documentation/devicetree/bindings/fsi/ibm,sbefifo.yaml
>> new file mode 100644
>> index 000000000000..69521b1cfb25
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/fsi/ibm,sbefifo.yaml
> Filename matching a compatible please.


Ack, and ack to your comments below. I'll send v3.


Thanks,

Eddie


>
>> @@ -0,0 +1,39 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/fsi/ibm,sbefifo.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: IBM FSI-attached SBEFIFO engine
>> +
>> +maintainers:
>> +  - Eddie James <eajames at linux.ibm.com>
>> +
>> +description: |
> This | should not be needed, there's no formatting to preserve.
>
>> +  The SBEFIFO is an FSI CFAM engine that provides an interface to the
>> +  POWER processor Self Boot Engine (SBE). This node will always be a child
>> +  of an FSI CFAM node; see fsi.txt for details on FSI slave and CFAM
>> +  nodes.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - ibm,p9-sbefifo
>> +      - ibm,odyssey-sbefifo
>> +
>> +  reg:
>> +    items:
>> +      - description: FSI slave address
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    sbefifo at 2400 {
> Per fsi.txt, the generic node name looks like it should be
> "fsi-slave-engine"?
>
> Cheers,
> Conor.
>
>> +        compatible = "ibm,p9-sbefifo";
>> +        reg = <0x2400 0x400>;
>> +    };
>> -- 
>> 2.39.3
>>


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