Re: [PATCH 3/3] arm64: dts: qcom: monaco-arduino-monza: Add QCA2066 M.2 WiFi/BT support

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 5/20/26 4:41 PM, Loic Poulain wrote:
> On Wed, May 20, 2026 at 4:36 PM Dmitry Baryshkov
> <dmitry.baryshkov@oss.qualcomm.com> wrote:
>>
>> On Wed, May 20, 2026 at 04:29:40PM +0200, Loic Poulain wrote:
>>> On Wed, May 20, 2026 at 2:34 PM Dmitry Baryshkov
>>> <dmitry.baryshkov@oss.qualcomm.com> wrote:
>>>>
>>>> On Wed, May 20, 2026 at 01:01:44PM +0200, Loic Poulain wrote:
>>>>> Add support for the QCA2066 (QCNFA765) WiFi/Bluetooth module on the
>>>>> Arduino VENTUNO Q board. The module is interfaced via LGA and is
>>>>> compatible with the M.2 Key E.
>>>>>
>>>>> Add wireless-lga-connector node using pcie-m2-e-connector binding,
>>>>> connecting PCIe port 0 to the WiFi interface and UART10 port 3 to
>>>>> the Bluetooth interface.
>>>>>
>>>>> Add pcie@1,0 downstream port node with pciclass,0604 compatible so
>>>>> the pci-pwrctrl driver can acquire the power sequencer and enable
>>>>> the M.2 slot before PCIe enumeration.
>>>>>
>>>>> Add nfa725b_default_state pinctrl for the W_DISABLE1/2 GPIOs
>>>>> (gpio56/gpio55) used by the power sequencer.
>>>>>
>>>>> Signed-off-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
>>>>> ---
>>>>>  arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts | 65 +++++++++++++++++++++++
>>>>>  1 file changed, 65 insertions(+)
>>>>>
>>>>> diff --git a/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts
>>>>> index 93ed575817af1c5e903662c209ead629fe202ee2..6fcad77f320cb82eccb6f07244d185abfb1976d9 100644
>>>>> --- a/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts
>>>>> +++ b/arch/arm64/boot/dts/qcom/monaco-arduino-monza.dts
>>>>> @@ -154,6 +154,39 @@ vreg_nvme: regulator-3p3-m2 {
>>>>>               enable-active-high;
>>>>>               startup-delay-us = <20000>;
>>>>>       };
>>>>> +
>>>>> +     wireless-lga-connector {
>>>>> +             compatible = "pcie-m2-e-connector";
>>>>
>>>> I think it was discussed that LGA can't be an actual M.2 E-key
>>>> connector.
>>>
>>> I am not sure I followed this discussion. Do you mean that I should
>>> introduce a dedicated LGA/vendor-compatible string in the compatible
>>> list of the pcie-m2-e-connector binding, or that LGA-based designs
>>> should not be described using the pcie-m2-e-connector binding (graph
>>> representation)?
>>
>> I think, it should be a separate, vendor-specific compat (maybe using
>> m2-e as a fallback).
> 
> ok, understood.

Oh, I reviewed this before looking at this discussion.. yeah Dmitry's
suggestion is good

Konrad