linux-kernel - RE: [PATCH v2 2/8] regulator: max77658: Add ADI MAX77643/54/58/59 Regulator Support

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Date:   Tue, 2 May 2023 06:32:18 +0000
From:   "Arslanbenzer, Zeynep" <Zeynep.Arslanbenzer@...log.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "lee@...nel.org" <lee@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "sre@...nel.org" <sre@...nel.org>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "broonie@...nel.org" <broonie@...nel.org>
Subject: RE: [PATCH v2 2/8] regulator: max77658: Add ADI MAX77643/54/58/59
 Regulator Support

On Wed, 22 Mar 2023, Krzysztof Kozlowski wrote:
>On 22/03/2023 06:56, Zeynep Arslanbenzer wrote:
>> Regulator driver for ADI MAX77643/MAX77654/MAX77658/MAX77659.
>> 
>> MAX77643/MAX77659 has 1 LDO regulator.
>> MAX77654/MAX77658 has two LDO regulators.
>> 
>> Signed-off-by: Nurettin Bolucu <Nurettin.Bolucu@...log.com>
>> Signed-off-by: Zeynep Arslanbenzer <Zeynep.Arslanbenzer@...log.com>
>
>
>
>> +
>> +	return 0;
>> +}
>> +
>> +static const struct platform_device_id max77658_regulator_id[] = {
>> +	{ "max77643-regulator" },
>> +	{ "max77654-regulator" },
>> +	{ "max77658-regulator" },
>> +	{ "max77659-regulator" },
>
>Why do you need so many entries? They do not differ.

They are slightly different. Just MAX77659 and MAX77643 regulators have exactly the same features. MAX77659 and MAX77643 have 1 LDO regulator but others have 2 and the voltage base of the MAX77654 regulators is different from others. Should I use the same entry for the MAX77643 and MAX77659?

Best regards,
Zeynep