Re: [PATCH 2/2] arm64: dts: qcom: lemans-evk: Describe the PCIe M.2 Key E connector
From: Bartosz Golaszewski
Date: Mon Jun 08 2026 - 10:35:04 EST
On Mon, 8 Jun 2026 11:17:02 +0200, Wei Deng <wei.deng@xxxxxxxxxxxxxxxx> said:
> The lemans EVK has the PCIe M.2 Mechanical Key E connector to connect
> wireless connectivity cards over PCIe and UART interfaces. Hence,
> describe the connector node and link it with the PCIe 0 Root Port and
> UART17 nodes through graph port/endpoint.
>
> Also add 'compatible = "pciclass,0604"' to the pcieport0 node in
> lemans.dtsi to allow the PCI subsystem to associate the DT node with
> the PCI-to-PCI bridge device.
>
> The M.2 Key E connector is powered by a 3.3V fixed regulator
> (vreg_wcn_3p3) which is sourced from the board's 12V DC input rail
> (vreg_dcin_12v). Both regulators are always-on and are required by the
> pcie-m2-e-connector binding.
>
> Also add the serial1 = &uart17 alias, which is required for the
> Bluetooth serdev device to be enumerated on the UART17 interface.
>
> Signed-off-by: Wei Deng <wei.deng@xxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxxxxxxxx>