linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: sdm845-sony-xperia-tama: Add bluetooth

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Message-ID: <865f145b-2170-48c3-a412-a4f22fbcba8e@oss.qualcomm.com>
Date: Tue, 20 Jan 2026 11:22:51 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: petr.hodina@...tonmail.com, Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, David Heidelberg <david@...t.cz>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: qcom: sdm845-sony-xperia-tama: Add
 bluetooth

On 1/19/26 12:58 PM, Petr Hodina via B4 Relay wrote:
> From: Petr Hodina <petr.hodina@...tonmail.com>
> 
> Enable the bluetooth interface on the uart6
> 
> Signed-off-by: Petr Hodina <petr.hodina@...tonmail.com>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
> index 68841e036c20..f23f9757a08b 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
> @@ -755,6 +755,23 @@ int-pins {
>  
>  &uart6 {
>  	status = "okay";
> +
> +	bluetooth {
> +		compatible = "qcom,wcn3990-bt";
> +
> +		/*
> +		 * This path is relative to the qca/
> +		 * subdir under lib/firmware.
> +		 */
> +		firmware-name = "akatsuki/crnv21.bin";

'akatsuki' is the codename of the Xperia XZ3 specifically, whereas
you declare this in the common file.

If they all should/can use the same binary, let's rename the path and
if they have to be separate, let's declare that

You can probably grab the firmware images for all three (four actually
but I don't know if anyone has the XZ2P) devices, dump it from the
bluetooth/vendor/firmware partition (can't recall where specifically)
and diff the files

Konrad