Re: [PATCH V3] arm64: dts: qcom: qcs8300-ride: Enable Bluetooth support

[Dmitry Baryshkov]

On Wed, Feb 25, 2026 at 02:47:00PM +0530, Wei Deng wrote:
> Enable BT on qcs8300-ride by adding a BT device tree node.
> 
> Since the 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: Wei Deng <wei.deng@xxxxxxxxxxxxxxxx>
> ---
> This patch depends on:
> - WLAN
> https://lore.kernel.org/all/20260122053624.4068718-1-wei.zhang@xxxxxxxxxxxxxxxx/
> 
> Changes in v3:
> - Rebase patches
> - Remove unintended 'output-low' from bt-en-state pinctrl
> - Use prerequisite-message-id to replace prerequisite-patch-id (Konrad)
> - Link to v2: https://lore.kernel.org/all/20251118140406.1551669-2-wei.deng@xxxxxxxxxxxxxxxx/
> 
> Changes for v2
> - Update commit message, add firmware name detail
> - Reorganize patchset
> - Link to v1: https://lore.kernel.org/all/20251113130942.2661069-1-wei.deng@xxxxxxxxxxxxxxxx/
> ---
>  arch/arm64/boot/dts/qcom/qcs8300-ride.dts | 26 +++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
> index 2ede6efd1afd..03c01ae630b4 100644
> --- a/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs8300-ride.dts
> @@ -18,6 +18,7 @@ / {
>  	aliases {
>  		serial0 = &uart7;
>  		mmc0 = &sdhc_1;
> +		serial1 = &uart2;
>  	};
>  
>  	chosen {
> @@ -107,6 +108,7 @@ wcn6855-pmu {
>  		vddpcie1p3-supply = <&vreg_conn_1p35>;
>  		vddpcie1p9-supply = <&vreg_conn_1p95>;
>  
> +		bt-enable-gpios = <&tlmm 55 GPIO_ACTIVE_HIGH>;
>  		wlan-enable-gpios = <&tlmm 54 GPIO_ACTIVE_HIGH>;
>  
>  		regulators {
> @@ -559,6 +561,12 @@ &sdhc_1 {
>  };
>  
>  &tlmm {
> +	bt_en_state: bt-en-state {
> +		pins = "gpio55";
> +		function = "gpio";
> +		bias-pull-down;
> +	};
> +
>  	pcie0_default_state: pcie0-default-state {
>  		wake-pins {
>  			pins = "gpio0";
> @@ -633,6 +641,24 @@ wlan_en_state: wlan-en-state {
>  	};
>  };
>  
> +&uart2 {
> +	status = "okay";
> +	bluetooth: bluetooth {

Please add an empty line before the subnode.

> +		compatible = "qcom,wcn6855-bt";
> +		firmware-name = "QCA6698/hpnv21", "QCA6698/hpbtfw21.tlv";
> +		max-speed = <3200000>;
> +
> +		vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
> +		vddaon-supply = <&vreg_pmu_aon_0p59>;
> +		vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
> +		vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
> +		vddbtcmx-supply = <&vreg_pmu_btcmx_0p85>;
> +		vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
> +		vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
> +		vddrfa1p8-supply = <&vreg_pmu_rfa_1p7>;
> +	};
> +};
> +
>  &uart7 {
>  	status = "okay";
>  };
> 
> base-commit: 7dff99b354601dd01829e1511711846e04340a69
> prerequisite-message-id: 20260122053624.4068718-1-wei.zhang@xxxxxxxxxxxxxxxx
> -- 
> 2.25.1
> 

-- 
With best wishes
Dmitry