linux-kernel - Re: [PATCH v2 1/2] dt-bindings: net: bluetooth: nxp: Add support for power save feature using GPIO

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Message-ID: <sllfy6srzwlwemkesnrgbdegywy6llysrylq45xf7no7ox7uwt@4u25dxff2fyr>
Date: Fri, 4 Oct 2024 08:37:40 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
Cc: marcel@...tmann.org, luiz.dentz@...il.com, robh@...nel.org, 
	krzk+dt@...nel.org, conor+dt@...nel.org, linux-bluetooth@...r.kernel.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, amitkumar.karwar@....com, 
	rohit.fule@....com, sherry.sun@....com, ziniu.wang_1@....com, haibo.chen@....com, 
	LnxRevLi@....com
Subject: Re: [PATCH v2 1/2] dt-bindings: net: bluetooth: nxp: Add support for
 power save feature using GPIO

On Thu, Oct 03, 2024 at 09:15:06PM +0530, Neeraj Sanjay Kale wrote:
> This adds a new optional device tree property h2c-ps-gpios, which specifies
> the GPIO connected to BT_WAKE_IN pin of the NXP chipset.
> 
> If this property is defined, the driver will use this GPIO for driving chip
> into sleep/wakeup state, else use the UART break signal by default.
> 
> Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@....com>
> ---
> v2: Rephrase description and use "-gpios". (Krzysztof, Rob)
> ---
>  .../devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml b/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
> index 37a65badb448..cd8236eb31de 100644
> --- a/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
> +++ b/Documentation/devicetree/bindings/net/bluetooth/nxp,88w8987-bt.yaml
> @@ -34,6 +34,12 @@ properties:
>    firmware-name:
>      maxItems: 1
>  
> +  h2c-ps-gpios:
> +    maxItems: 1
> +    description:
> +      Host-To-Chip power save mechanism is driven by this GPIO
> +      connected to BT_WAKE_IN pin of the NXP chipset.

So this should be wakeup-gpios or device-wakeup-gpios?

Best regards,
Krzysztof