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authorDavid S. Miller <davem@davemloft.net>2014-09-07 21:41:53 -0700
committerDavid S. Miller <davem@davemloft.net>2014-09-07 21:41:53 -0700
commiteb84d6b60491a3ca3d90d62ee5346b007770d40d (patch)
tree22aadf9ada15e1ae5ba4c400aafab6f2541996e6 /Documentation/devicetree/bindings/net
parent97a13e5289baa96eaddd06e61d277457d837af3a (diff)
parentd030671f3f261e528dc6e396a13f10859a74ae7c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'Documentation/devicetree/bindings/net')
-rw-r--r--Documentation/devicetree/bindings/net/stmmac.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt
index 9b03c57563a4..e45ac3f926b1 100644
--- a/Documentation/devicetree/bindings/net/stmmac.txt
+++ b/Documentation/devicetree/bindings/net/stmmac.txt
@@ -39,6 +39,10 @@ Optional properties:
further clocks may be specified in derived bindings.
- clock-names: One name for each entry in the clocks property, the
first one should be "stmmaceth".
+- clk_ptp_ref: this is the PTP reference clock; in case of the PTP is
+ available this clock is used for programming the Timestamp Addend Register.
+ If not passed then the system clock will be used and this is fine on some
+ platforms.
Examples: