Add the documentation to avoid PHY lane swapping. This is a boolean
entry to notify the phy device drivers that the TX/RX lanes NO need
to be swapped.
The use case for this binding mostly happens after wrong HW
configuration of PHY IC during bootstrap.

Signed-off-by: Lukasz Majewski <lu...@denx.de>

---
Changes for v3:
- Change binding to property
---
 Documentation/devicetree/bindings/net/phy.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/phy.txt 
b/Documentation/devicetree/bindings/net/phy.txt
index fb5056b..b558576 100644
--- a/Documentation/devicetree/bindings/net/phy.txt
+++ b/Documentation/devicetree/bindings/net/phy.txt
@@ -39,6 +39,10 @@ Optional Properties:
 - enet-phy-lane-swap: If set, indicates the PHY will swap the TX/RX lanes to
   compensate for the board being designed with the lanes swapped.
 
+- enet-phy-lane-no-swap: If set, indicates that PHY will disable swap of the
+  TX/RX lanes. This property allows the PHY to work correcly after e.g. wrong
+  bootstrap configuration caused by issues in PCB layout design.
+
 - eee-broken-100tx:
 - eee-broken-1000t:
 - eee-broken-10gt:
-- 
2.1.4

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