Thread (12 messages) 12 messages, 7 authors, 2026-01-07

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

From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2025-12-27 12:29:38
Also in: linux-devicetree, lkml

On Mon, Dec 22, 2025 at 05:21:05PM -0500, Osose Itua wrote:
quoted hunk ↗ jump to hunk
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 <redacted>
---
 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
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