Re: [PATCH v2 2/2] dt-bindings: net: adi,adin: document LP Termination property

Krzysztof Kozlowski
2025-12-27T12:29:38Z

On Mon, Dec 22, 2025 at 05:21:05PM -0500, Osose Itua wrote:
> Add "adi,low-cmode-impedance" boolean property which, when present,
> configures the PHY for the lowest common-mode impedance on the receive
> pair for 100BASE-TX operation.
>
> Signed-off-by: Osose Itua <osose.itua@savoirfairelinux.com>
> ---
> Documentation/devicetree/bindings/net/adi,adin.yaml | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/adi,adin.yaml b/Documentation/devicetree/bindings/net/adi,adin.yaml
> index c425a9f1886d..d3c8c5cc4bb1 100644
> --- a/Documentation/devicetree/bindings/net/adi,adin.yaml
> +++ b/Documentation/devicetree/bindings/net/adi,adin.yaml
> @@ -52,6 +52,12 @@ properties:
> description: Enable 25MHz reference clock output on CLK25_REF pin.
> type: boolean
>
> + adi,low-cmode-impedance:
> + description: |
> + Ability to configure for the lowest common-mode impedance on the

Either this is ability or you configure the PHY, as written in commit
msg. The latter suggests that's a SW property, not hardware, thus not
for bindings.

If the first, then why it is not implied by PHY itself - the compatible
(which is missing which makes this binding not selectable).

Best regards,
Krzysztof