Re: [PATCH v2 5/6] arm64: dts: qcom: ipq5018: add nodes required for Bluetooth support

From: George Moussalem

Date: Tue Jun 30 2026 - 08:11:54 EST


On 6/30/26 15:40, Konrad Dybcio wrote:
> On 6/29/26 3:01 PM, George Moussalem via B4 Relay wrote:
>> From: George Moussalem <george.moussalem@xxxxxxxxxxx>
>>
>> Add nodes for the reserved memory carveout and Bluetooth.
>>
>> Signed-off-by: George Moussalem <george.moussalem@xxxxxxxxxxx>
>> ---
>> arch/arm64/boot/dts/qcom/ipq5018.dtsi | 25 ++++++++++++++++++++++++-
>> 1 file changed, 24 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>> index 6f8004a22a1f..65a47ba7d3a3 100644
>> --- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
>> @@ -17,6 +17,23 @@ / {
>> #address-cells = <2>;
>> #size-cells = <2>;
>>
>> + bluetooth: bluetooth {
>> + compatible = "qcom,ipq5018-bt";
>> +
>> + firmware-name = "qca/bt_fw_patch.mbn";
>
> Is this fw vendor-signed?

I've just analyzed the mbn file (and the mdt + b0x files): it only
contains hashes for the mdt and b02 segments, no signature/certs at all.
I've used your pil squasher to create the mbn file. Here are the FW files:
https://github.com/georgemoussalem/openwrt/tree/ipq50xx-bluetooth/package/firmware/qca-bt-firmware/files

Perhaps you can double check?

>
> Konrad

Best regards,
George