linux-kernel - Re: [PATCH v3 3/3] arm64: dts: qcom: sa8775p-ride: Add firmware-name in BT node

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Message-ID: <kgxxykbogtdfsnkyk3f5mpht54o3siqkhkfji5nqo7cyck44rf@x7kb2otqdo7n>
Date: Thu, 5 Dec 2024 14:13:04 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Cheng Jiang <quic_chejiang@...cinc.com>
Cc: Marcel Holtmann <marcel@...tmann.org>, 
	Luiz Augusto von Dentz <luiz.dentz@...il.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
	Balakrishna Godavarthi <quic_bgodavar@...cinc.com>, Rocky Liao <quic_rjliao@...cinc.com>, 
	linux-bluetooth@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org, quic_jiaymao@...cinc.com, quic_shuaz@...cinc.com, 
	quic_zijuhu@...cinc.com, quic_mohamull@...cinc.com
Subject: Re: [PATCH v3 3/3] arm64: dts: qcom: sa8775p-ride: Add firmware-name
 in BT node

On Thu, Dec 05, 2024 at 06:22:13PM +0800, Cheng Jiang wrote:
> The sa8775p-ride platform uses the QCA6698 Bluetooth chip. While the
> QCA6698 shares the same IP core as the WCN6855, it has different RF
> components and RAM sizes, requiring new firmware files. Use the
> firmware-name property to specify the NVM and rampatch firmware to load.
> 
> Signed-off-by: Cheng Jiang <quic_chejiang@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi b/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi
> index 3fc62e123..e7fe53d95 100644
> --- a/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi
> @@ -857,6 +857,7 @@ &uart17 {
>  
>  	bluetooth {
>  		compatible = "qcom,wcn6855-bt";
> +		firmware-name = "QCA6698/hpnv21", "QCA6698/hpbtfw21.tlv";

And the rampatch is not going to be board-specific?

>  
>  		vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
>  		vddaon-supply = <&vreg_pmu_aon_0p59>;
> -- 
> 2.25.1
> 

-- 
With best wishes
Dmitry