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

[Dmitry Baryshkov]

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@xxxxxxxxxxxxxxxx>
> ---
>  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.

> +		vpcie3v3-supply = <&vdc_3v3>;
> +		vpcie1v8-supply = <&vdc_1v8>;
> +		w-disable1-gpios = <&tlmm 56 GPIO_ACTIVE_LOW>;
> +		w-disable2-gpios = <&tlmm 55 GPIO_ACTIVE_LOW>;
> +		pinctrl-0 = <&nfa725b_default_state>;
> +		pinctrl-names = "default";
> +

-- 
With best wishes
Dmitry