linux-kernel - Re: [PATCH 1/2] dt-bindings: input: touchscreen: goodix: Add no-reset-pull-up property

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Message-ID: <20250428-logical-successful-spoonbill-cd1c6b@kuoka>
Date: Mon, 28 Apr 2025 09:45:59 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Esben Haabendal <esben@...nix.com>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Hans de Goede <hdegoede@...hat.com>, linux-input@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: input: touchscreen: goodix: Add
 no-reset-pull-up property

On Tue, Apr 22, 2025 at 05:15:02PM GMT, Esben Haabendal wrote:
> This should be added for boards where there is no pull-up on the reset pin,
> as the driver will otherwise switch the reset signal to high-impedance to
> save power, which obviously not safe without pull-up.
> 
> Signed-off-by: Esben Haabendal <esben@...nix.com>
> ---
>  Documentation/devicetree/bindings/input/touchscreen/goodix.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.yaml b/Documentation/devicetree/bindings/input/touchscreen/goodix.yaml
> index eb4992f708b70fef93bd4b59b9565123f7c6ad5d..7e5c4b98f2cb1ef61798252ea5c573068a46d4aa 100644
> --- a/Documentation/devicetree/bindings/input/touchscreen/goodix.yaml
> +++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.yaml
> @@ -45,6 +45,10 @@ properties:
>    reset-gpios:
>      maxItems: 1
>  
> +  no-reset-pull-up:

Is this common property? Where is it defined? Otherwise missing vendor
prefix.

Best regards,
Krzysztof