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

[Wei Deng]

Hi Dmitry,

On 2/26/2026 10:27 AM, Dmitry Baryshkov wrote:
> 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.

Thanks, I’ll add an empty line before the subnode as suggested.

> 
>> +		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
>>
> 

-- 
Best Regards,
Wei Deng