Re: [PATCH v3 1/3] dt-bindings: net: bluetooth: qca: Expand firmware-name property

[Cheng Jiang (IOE)]

Hi Krzysztof,

On 12/5/2024 10:36 PM, Krzysztof Kozlowski wrote:
> On 05/12/2024 11:22, Cheng Jiang wrote:
>> Expand the firmware-name property to specify the names of NVM and
>> rampatch firmware to load. This update will support loading specific
>> firmware (nvm and rampatch) for certain chips, like the QCA6698
>> Bluetooth chip, which shares the same IP core as the WCN6855 but has
>> different RF components and RAM sizes, requiring new firmware files.
>>
>> We might use different connectivity boards on the same platform. For
>> example, QCA6698-based boards can support either a two-antenna or
>> three-antenna solution, both of which work on the sa8775p-ride platform.
>> Due to differences in connectivity boards and variations in RF
>> performance from different foundries, different NVM configurations are
>> used based on the board ID.
>>
>> So In firmware-name, if the NVM file has an extension, the NVM file will
>> be used. Otherwise, the system will first try the .bNN (board ID) file,
>> and if that fails, it will fall back to the .bin file.
>>
>> Possible configurations:
>> firmware-name = "QCA6698/hpnv21.bin", "QCA6698/hpbtfw21.tlv";
>> firmware-name = "QCA6698/hpnv21", "QCA6698/hpbtfw21.tlv";
>> firmware-name = "QCA6698/hpnv21.bin";
> This configuration will fail tests. Please test the binding and DTS
> before v4.
> 
Ack.
> Best regards,
> Krzysztof