linux-kernel - Re: [PATCH v2 2/4] doc: Add Atmel AT30TSE serial eeprom

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Date:   Tue, 21 Mar 2023 10:55:43 -0500
From:   Eddie James <eajames@...ux.ibm.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-kernel@...r.kernel.org
Cc:     devicetree@...r.kernel.org, arnd@...db.de,
        linux-aspeed@...ts.ozlabs.org, gregkh@...uxfoundation.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org
Subject: Re: [PATCH v2 2/4] doc: Add Atmel AT30TSE serial eeprom


On 3/21/23 10:46, Eddie James wrote:
>
> On 3/21/23 10:19, Krzysztof Kozlowski wrote:
>> On 21/03/2023 16:16, Eddie James wrote:
>>> The AT30TSE is compatible with the JEDEC EE1004 standard. Document it
>>> as a trivial I2C device.
>>>
>>> Signed-off-by: Eddie James <eajames@...ux.ibm.com>
>> Use subject prefixes matching the subsystem (which you can get for
>> example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
>> your patch is touching).
>
>
> Oops, sorry, will fix.
>
>
>>
>>> ---
>>>   Documentation/devicetree/bindings/trivial-devices.yaml | 2 ++
>>>   1 file changed, 2 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml 
>>> b/Documentation/devicetree/bindings/trivial-devices.yaml
>>> index 6f482a254a1d..43e26c73a95f 100644
>>> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
>>> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
>>> @@ -47,6 +47,8 @@ properties:
>>>             - ams,iaq-core
>>>               # i2c serial eeprom (24cxx)
>>>             - at,24c08
>>> +            # i2c serial eeprom (EE1004 standard)
>> AT30TSE?
>>
>>> +          - atmel,at30tse
>> Microchip does not find anything on AT30TSE. Are you sure this is the
>> model name?
>
>
> Yes: 
> https://www.microchip.com/content/dam/mchp/documents/OTH/ProductDocuments/DataSheets/Atmel-8868-DTS-AT30TSE004A-Datasheet.pdf
>
>
> Maybe it's actually an 8868? Or should I include the 004A as well?


I found some other AT30TSE (AT30TSE752A for example) devices that do not 
appear compatible with the EE1004 standard, so I will include the full 
model number.


>
> Thanks,
>
> Eddie
>
>
>>
>>
>> Best regards,
>> Krzysztof
>>