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

From: Cheng Jiang (IOE)
Date: Thu Dec 05 2024 - 21:40:12 EST


Hi Dmitry,

On 12/5/2024 8:13 PM, Dmitry Baryshkov wrote:
> 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@xxxxxxxxxxx>
>> ---
>> 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?
>
Yes, rampatch is chip-specific.
>>
>> vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
>> vddaon-supply = <&vreg_pmu_aon_0p59>;
>> --
>> 2.25.1
>>
>