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-rw-r--r--kernel/Documentation/devicetree/bindings/net/fixed-link.txt14
1 files changed, 13 insertions, 1 deletions
diff --git a/kernel/Documentation/devicetree/bindings/net/fixed-link.txt b/kernel/Documentation/devicetree/bindings/net/fixed-link.txt
index 82bf7e0f4..ec5d889fe 100644
--- a/kernel/Documentation/devicetree/bindings/net/fixed-link.txt
+++ b/kernel/Documentation/devicetree/bindings/net/fixed-link.txt
@@ -17,6 +17,8 @@ properties:
enabled.
* 'asym-pause' (boolean, optional), to indicate that asym_pause should
be enabled.
+* 'link-gpios' ('gpio-list', optional), to indicate if a gpio can be read
+ to determine if the link is up.
Old, deprecated 'fixed-link' binding:
@@ -30,7 +32,7 @@ Old, deprecated 'fixed-link' binding:
- e: asymmetric pause configuration: 0 for no asymmetric pause, 1 for
asymmetric pause
-Example:
+Examples:
ethernet@0 {
...
@@ -40,3 +42,13 @@ ethernet@0 {
};
...
};
+
+ethernet@1 {
+ ...
+ fixed-link {
+ speed = <1000>;
+ pause;
+ link-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
+ };
+ ...
+};