Re: [PATCH v5 5/9] dt-bindings: connector: Add PCIe M.2 Mechanical Key E connector

[Rob Herring (Arm)]

On Tue, 24 Feb 2026 11:00:51 +0530, Manivannan Sadhasivam wrote:
> Add the devicetree binding for PCIe M.2 Mechanical Key E connector defined
> in the PCI Express M.2 Specification, r4.0, sec 5.1.2. This connector
> provides interfaces like PCIe or SDIO to attach the WiFi devices to the
> host machine, USB or UART+PCM interfaces to attach the Bluetooth (BT)
> devices. Spec also provides an optional interface to connect the UIM card,
> but that is not covered in this binding.
> 
> The connector provides a primary power supply of 3.3v, along with an
> optional 1.8v VIO supply for the Adapter I/O buffer circuitry operating at
> 1.8v sideband signaling.
> 
> The connector also supplies optional signals in the form of GPIOs for fine
> grained power management.
> 
> Tested-by: Hans de Goede <johannes.goede@xxxxxxxxxxxxxxxx> # ThinkPad T14s gen6 (arm64)
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxxxxxxxx>
> ---
>  .../bindings/connector/pcie-m2-e-connector.yaml    | 184 +++++++++++++++++++++
>  MAINTAINERS                                        |   1 +
>  2 files changed, 185 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>