netdev - Re: [PATCH 1/2] dt-bindings: net/nfc: ti,trf7970a: Add rx-gain-reduction option

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Date: Fri, 19 Apr 2024 07:30:56 +0000
From: Paul Geurts <paul_geurts@...e.nl>
To: Krzysztof Kozlowski <krzk@...nel.org>, "mgreer@...malcreek.com"
	<mgreer@...malcreek.com>, "davem@...emloft.net" <davem@...emloft.net>,
	"edumazet@...gle.com" <edumazet@...gle.com>, "kuba@...nel.org"
	<kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>, "robh@...nel.org"
	<robh@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] dt-bindings: net/nfc: ti,trf7970a: Add
 rx-gain-reduction option

On 17-04-2024 15:12, Krzysztof Kozlowski wrote:
> On 17/04/2024 00:18, Paul Geurts wrote:
>> Add option to reduce the RX antenna gain to be able to reduce the
>> sensitivity.
>>
>> Signed-off-by: Paul Geurts <paul_geurts@...e.nl>
>> ---
>>  Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml | 6 ++++++
>>  1 file changed, 6 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
>> index d0332eb76ad2..bbd045f6cf04 100644
>> --- a/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
>> +++ b/Documentation/devicetree/bindings/net/nfc/ti,trf7970a.yaml
>> @@ -55,6 +55,11 @@ properties:
>>      description: |
>>        Regulator for supply voltage to VIN pin
>>  
>> +  rx-gain-reduction:
> Missing vendor prefix.
>
>> +    $ref: /schemas/types.yaml#/definitions/uint32
>> +    description: |
> Do not need '|' unless you need to preserve formatting.
>
>> +      Specify a RX gain reduction to reduce antenna sensitivity.
> Reduction by what? What are the units?

Yes, this is a bit unclear indeed. Will clarify this.

>
>
> Best regards,
> Krzysztof

Thanks!

br,

Paul