linux-kernel - Re: [PATCH v2 3/3] dt-bindings: eeprom: at24: Add at24,mac02e4 and at24,mac02e6

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Date: Tue, 25 Jun 2024 07:33:18 +0000
From: <Andrei.Simion@...rochip.com>
To: <robh@...nel.org>
CC: <brgl@...ev.pl>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
	<Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
	<claudiu.beznea@...on.dev>, <arnd@...db.de>, <gregkh@...uxfoundation.org>,
	<linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 3/3] dt-bindings: eeprom: at24: Add at24,mac02e4 and
 at24,mac02e6

On 24.06.2024 22:49, Rob Herring wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Fri, Jun 21, 2024 at 03:13:40PM +0300, Andrei Simion wrote:
>> Update regex check and add pattern to match both EEPROMs.
> 
> The subject is wrong as 'at24' is not the vendor.
>

My mistake. It needs to be atmel,24mac02e4 and atmel,24mac02e6.

>>
>> Signed-off-by: Andrei Simion <andrei.simion@...rochip.com>
>> ---
>> v1 -> v2:
>> - change patter into "^atmel,(24(c|cs|mac)[a-z0-9]+|spd)$" to keep simpler
>> ---
>>  Documentation/devicetree/bindings/eeprom/at24.yaml | 10 +++++++---
>>  1 file changed, 7 insertions(+), 3 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/eeprom/at24.yaml b/Documentation/devicetree/bindings/eeprom/at24.yaml
>> index 3c36cd0510de..f914ca37ceea 100644
>> --- a/Documentation/devicetree/bindings/eeprom/at24.yaml
>> +++ b/Documentation/devicetree/bindings/eeprom/at24.yaml
>> @@ -18,7 +18,7 @@ select:
>>    properties:
>>      compatible:
>>        contains:
>> -        pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
>> +        pattern: "^atmel,(24(c|cs|mac)[a-z0-9]+|spd)$"
>>    required:
>>      - compatible
>>
>> @@ -37,8 +37,8 @@ properties:
>>        - allOf:
>>            - minItems: 1
>>              items:
>> -              - pattern: "^(atmel|catalyst|microchip|nxp|ramtron|renesas|rohm|st),(24(c|cs|lc|mac)[0-9]+|spd)$"
>> -              - pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
>> +              - pattern: "^(atmel|catalyst|microchip|nxp|ramtron|renesas|rohm|st),(24(c|cs|lc|mac)[a-z0-9]+|spd)$"
>> +              - pattern: "^atmel,(24(c|cs|mac)[a-z0-9]+|spd)$"
> 
> Are these devices available from multiple vendors? If not, I think I'd
> add specific compatible strings with the right vendor rather than adding
> to this pattern. It's rather loosely defined because that's what was in
> use already.
>

So, would you like me to keep how it was before:  "^atmel,(24(c|cs|mac)[0-9]+|spd)$" and  "^(atmel|catalyst|microchip|nxp|ramtron|renesas|rohm|st),(24(c|cs|lc|mac)[0-9]+|spd)$"
and to add only: 
- items:
 pattern: mac02e4$
- items:
 pattern: mac02e6$
?

Or would you like me to add to "the special cases that don't conform to the above pattern. Each requires a standard at24 model as fallback."  area?
 
> Rob

Best Regards, 
Andrei Simion