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

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Message-ID: <454f47c1-6c94-450d-aa4f-c658dcddb5ea@ixit.cz>
Date: Mon, 19 Jan 2026 13:37:53 +0100
From: David Heidelberg <david@...t.cz>
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>
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 19/01/2026 12:58, 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";

Looks good, thou the path should follow `$Vendor/$codename` pattern.

In general, if it's generic firmware, fw path here should be

Sony/tama/

otherwise LGTM.

David

> +
> +		vddio-supply = <&vreg_s3a_1p3>;
> +		vddxo-supply = <&vreg_s5a_1p9>;
> +		vddrf-supply = <&vreg_l17a_1p3>;
> +		vddch0-supply = <&vreg_l25a_3p0>;
> +
> +		max-speed = <3200000>;
> +	};
>   };
>   
>   &uart9 {
> 

-- 
David Heidelberg