linux-kernel - Re: [RFC PATCH 2/6] dt-bindings: net: wireless: ath12k: describe WSI property for QCN9274

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Message-ID: <c7c6bf7e-0f79-44b1-aed4-db1fdbedc9a8@kernel.org>
Date: Wed, 23 Oct 2024 09:00:16 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>, ath12k@...ts.infradead.org
Cc: linux-wireless@...r.kernel.org, Kalle Valo <kvalo@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Jeff Johnson <jjohnson@...nel.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [RFC PATCH 2/6] dt-bindings: net: wireless: ath12k: describe WSI
 property for QCN9274

On 23/10/2024 08:03, Raj Kumar Bhagat wrote:
> QCN9274 device has WSI support. WSI stands for WLAN Serial Interface.
> It is used for the exchange of specific control information across
> radios based on the doorbell mechanism. This WSI connection is
> essential to exchange control information among these devices
> 
> Hence, describe WSI interface supported in QCN9274 with the following
> properties:
> 
>  - qcom,wsi-group-id: It represents the identifier assigned to the WSI
>    connection. All the ath12k devices connected to same WSI connection
>    have the same wsi-group-id.
> 
>  - qcom,wsi-index: It represents the identifier assigned to ath12k
>    device in the order of the WSI connection.
> 
>  - qcom,wsi-num-devices: Number of devices connected through WSI in
>    the same group ID.
> 
> Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>
> ---
>  .../bindings/net/wireless/qcom,ath12k.yaml    | 61 +++++++++++++++++++
>  1 file changed, 61 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml
> index ecf38af747f7..6c8f97865075 100644
> --- a/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml
> +++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath12k.yaml
> @@ -19,6 +19,7 @@ properties:
>    compatible:
>      enum:
>        - pci17cb,1107  # WCN7850
> +      - pci17cb,1109  # QCN9274

Missing supplies. How does the device take power? Everything through
standard PCI pins? Are you sure? Please submit complete binding, so with
all required properties.

Best regards,
Krzysztof