Re: [PATCH 1/4] dt-bindings: bluetooth: qcom,qcc2072-bt: add bindings for QCC2072

[Krzysztof Kozlowski]

On 01/06/2026 09:52, Dmitry Baryshkov wrote:
> On Mon, Jun 01, 2026 at 12:50:00PM +0530, Yepuri Siddu wrote:
>>
>>
>> On 5/30/2026 6:04 PM, Krzysztof Kozlowski wrote:
>>> On Fri, May 29, 2026 at 11:23:42PM +0530, Yepuri Siddu wrote:
>>>> Document the YAML binding schema for the Qualcomm QCC2072 UART-based
>>>> Bluetooth controller.
>>>
>>> Where is the rest?
>>>

I repeat the question.


>>>> +properties:
>>>> +  compatible:
>>>> +    enum:
>>>> +      - qcom,qcc2072-bt
>>>> +
>>>> +required:
>>>> +  - compatible
>>>> +
>>>
>>> Looks heavily incomplete. Devices do not work without power for example.
>>
>> The module receives power through the M.2 edge connector and manages its
>> own power sequencing internally. Unlike bare Qualcomm Bluetooth SoCs, it
>> requires no external voltage regulators, enable GPIOs, or clock supply
>> from the host, so no power-related properties are needed in the binding.
> 
> If this is a purely M.2 device, then it should not be a part of DT.
> 

Exactly. And even PCI devices need power sequencing, unless this is a
simple (BT only) device.

Best regards,
Krzysztof