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

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Message-ID: <d46037b0-1654-449a-9e42-3baf57a6feb2@quicinc.com>
Date: Fri, 6 Dec 2024 10:39:46 +0800
From: "Cheng Jiang (IOE)" <quic_chejiang@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Marcel Holtmann <marcel@...tmann.org>,
        Luiz Augusto von Dentz
	<luiz.dentz@...il.com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        "Balakrishna
 Godavarthi" <quic_bgodavar@...cinc.com>,
        Rocky Liao
	<quic_rjliao@...cinc.com>,
        <linux-bluetooth@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <quic_jiaymao@...cinc.com>, <quic_shuaz@...cinc.com>,
        <quic_zijuhu@...cinc.com>, <quic_mohamull@...cinc.com>
Subject: Re: [PATCH v3 3/3] arm64: dts: qcom: sa8775p-ride: Add firmware-name
 in BT node

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@...cinc.com>
>> ---
>>  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
>>
>