Re: [PATCH 1/3] dt-bindings: misc: esm: Add ESM support for TI K3 devices

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On 17/04/2023 10:56, Neha Malcom Francis wrote:
> Hi Krzysztof
> 
> On 14/04/23 17:10, Krzysztof Kozlowski wrote:
>> On 14/04/2023 12:52, Neha Malcom Francis wrote:
>>> Document the binding for TI K3 ESM (Error Signaling Module) block.
>>>
>>> Signed-off-by: Neha Malcom Francis <n-francis@xxxxxx>
>>> ---
>>>   .../devicetree/bindings/misc/esm-k3.yaml      | 54 +++++++++++++++++++
>>>   1 file changed, 54 insertions(+)
>>>   create mode 100644 Documentation/devicetree/bindings/misc/esm-k3.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/misc/esm-k3.yaml b/Documentation/devicetree/bindings/misc/esm-k3.yaml
>>> new file mode 100644
>>> index 000000000000..5e637add3b0e
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/misc/esm-k3.yaml
>>
>> Filename matching compatible. Missing vendor prefix and device name.
>>
>>> @@ -0,0 +1,54 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +# Copyright (C) 2022 Texas Instruments Incorporated
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/misc/esm-k3.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Texas Instruments K3 ESM Binding
>>
>> Drop: Binding
>>
>>> +
>>> +maintainers:
>>> +  - Neha Malcom Francis <n-francis@xxxxxx>
>>> +
>>> +description: |
>>> +  The ESM (Error Signaling Module) is an IP block on TI K3 devices
>>> +  that allows handling of safety events somewhat similar to what interrupt
>>> +  controller would do. The safety signals have their separate paths within
>>> +  the SoC, and they are handld by the ESM, which routes them to the proper
>>
>> typo: handled
>>
>>> +  destination, which can be system reset, interrupt controller, etc. In the
>>> +  simplest configuration the signals are just routed to reset the SoC.
>>
>> There is no proper bindings directory for ESM? Misc is discouraged.
>>
> 
> There is no other directory I see fit for a block like ESM; it could 
> either remain in misc/ or maybe create a directory error/ for all error 
> signaling and correction mechanisms? I see misc/xlnx,sd-fec.txt that 
> could also go in error/
> 
> What do you think is fit?

I don't know. Maybe it is something like hwmon? Or maybe along with
xlnx,sd-fec, tmr-inject and tmr-manager should be moved to some "fault"
directory for all fault-management-and-handling hardware?

Best regards,
Krzysztof




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