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authorLukasz Majewski <lukma@denx.de>2017-02-07 06:21:34 +0100
committerDavid S. Miller <davem@davemloft.net>2017-02-07 13:59:27 -0500
commit252ae5330daa121586e9713b704068851e8565d9 (patch)
tree85e245877d41010087f1f13cd5ca09f96556ab3f /Documentation
parent9d312cfb3d91227423f6e0f318de01f317130be5 (diff)
Documentation: devicetree: Add PHY no lane swap binding
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 <lukma@denx.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/net/phy.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt
index fb5056b22685..b55857696fc3 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: