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From 1654bdce95bd9a99e237b75fdcc0081b232c46b5 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 28 Nov 2018 15:51:41 +0000
Subject: [PATCH] dt-bindings: Document microchip,downshift-after
Document the optional downshift-after property of the lan78xx's PHY.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
Documentation/devicetree/bindings/net/microchip,lan78xx.txt | 3 +++
1 file changed, 3 insertions(+)
--- a/Documentation/devicetree/bindings/net/microchip,lan78xx.txt
+++ b/Documentation/devicetree/bindings/net/microchip,lan78xx.txt
@@ -15,6 +15,9 @@ Optional properties of the embedded PHY:
- microchip,led-modes: a 0..4 element vector, with each element configuring
the operating mode of an LED. Omitted LEDs are turned off. Allowed values
are defined in "include/dt-bindings/net/microchip-lan78xx.h".
+- microchip,downshift-after: sets the number of failed auto-negotiation
+ attempts after which the link is downgraded from 1000BASE-T. Should be one of
+ 2, 3, 4, 5 or 0, where 0 means never downshift.
Example:
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