Re: [PATCH v6 6/9] dt-bindings: connector: m2: Add M.2 1620 LGA soldered down connector

[Rob Herring <robh@kernel.org>]

On Tue, Mar 17, 2026 at 09:59:56AM +0530, Manivannan Sadhasivam wrote:
> Lenovo Thinkpad T14s is found to have a soldered down version of M.2 1620
> LGA connector. Though, there is no 1620 LGA form factor defined in the M.2
> spec, it looks very similar to the M.2 Key E connector. So add the
> "pcie-m2-1620-lga-connector" compatible with "pcie-m2-e-connector" fallback
> to reuse the Key E binding.

What is LGA?

If not in the spec, is it really something generic?

> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@oss.qualcomm.com>
> ---
>  .../devicetree/bindings/connector/pcie-m2-e-connector.yaml       | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/connector/pcie-m2-e-connector.yaml b/Documentation/devicetree/bindings/connector/pcie-m2-e-connector.yaml
> index f7859aa9b634..d8cf9a9ec7d0 100644
> --- a/Documentation/devicetree/bindings/connector/pcie-m2-e-connector.yaml
> +++ b/Documentation/devicetree/bindings/connector/pcie-m2-e-connector.yaml
> @@ -17,7 +17,14 @@ description:
>  
>  properties:
>    compatible:
> -    const: pcie-m2-e-connector
> +    oneOf:
> +      - items:
> +          - enum:
> +              - pcie-m2-1620-lga-connector
> +          - const: pcie-m2-e-connector
> +      - items:
> +          - enum:
> +              - pcie-m2-e-connector
>  
>    vpcie3v3-supply:
>      description: A phandle to the regulator for 3.3v supply.
> 
> -- 
> 2.51.0
>