linux-kernel - Re: [PATCH 2/2] regulator: dt-bindings: rtq2208: Add specified fixed LDO VOUT property

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Date: Wed, 22 May 2024 15:29:23 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Mark Brown <broonie@...nel.org>
Cc: Alina Yu <alina_yu@...htek.com>, lgirdwood@...il.com, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 cy_huang@...htek.com
Subject: Re: [PATCH 2/2] regulator: dt-bindings: rtq2208: Add specified fixed
 LDO VOUT property

On 22/05/2024 13:35, Mark Brown wrote:
> On Wed, May 22, 2024 at 11:27:06AM +0200, Krzysztof Kozlowski wrote:
>> On 22/05/2024 11:03, Alina Yu wrote:
> 
>>> Due to the fixed LDO VOUT being outside the range of the adjustable one,
>>> a special-use property has been added to avoid overusing the constraints.
> 
>> Hm, why exactly this is not a bool property? What are the benefits?
> 
> It avoids confusion between invalid constraints specified on the
> variable voltage regulator and allows us to validate any constraints
> that happen to be specified (though it'd be pointless to specify
> constraints).  The fact that the regulator could also be variable
> voltage is asking for confusion if we use boolean.


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof