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authorHeiko Schocher <hs@denx.de>2015-10-17 06:04:36 +0200
committerDavid S. Miller <davem@davemloft.net>2015-10-21 06:41:44 -0700
commitd88ecb373bd1877acc43e13311a8e0e6daffc3d2 (patch)
treed29ca3aaa5196ab759d8d534f7cfad1410ba3d1d /Documentation
parent9e42f715264ff158478fa30eaed847f6e131366b (diff)
net: phy: smsc: disable energy detect mode
On some boards the energy enable detect mode leads in trouble with some switches, so make the enabling of this mode configurable through DT. Signed-off-by: Heiko Schocher <hs@denx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/net/smsc-lan87xx.txt24
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/smsc-lan87xx.txt b/Documentation/devicetree/bindings/net/smsc-lan87xx.txt
new file mode 100644
index 000000000000..974edd5c85cc
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/smsc-lan87xx.txt
@@ -0,0 +1,24 @@
+SMSC LAN87xx Ethernet PHY
+
+Some boards require special tuning values. Configure them
+through an Ethernet OF device node.
+
+Optional properties:
+
+- smsc,disable-energy-detect:
+ If set, do not enable energy detect mode for the SMSC phy.
+ default: enable energy detect mode
+
+Examples:
+smsc phy with disabled energy detect mode on an am335x based board.
+&davinci_mdio {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&davinci_mdio_default>;
+ pinctrl-1 = <&davinci_mdio_sleep>;
+ status = "okay";
+
+ ethernetphy0: ethernet-phy@0 {
+ reg = <0>;
+ smsc,disable-energy-detect;
+ };
+};