tile: support PTP using the tilegx mPIPE (IEEE 1588)

[karo-tx-linux.git] / drivers / net / ethernet / tile / Kconfig

diff --git a/drivers/net/ethernet/tile/Kconfig b/drivers/net/ethernet/tile/Kconfig
index 098b1c42b39368faef868e50fdbb3174a6ccf8d9..4083ba8839e1f2e73d1a1b872c4e4149a6db419e 100644 (file)
--- a/drivers/net/ethernet/tile/Kconfig
+++ b/drivers/net/ethernet/tile/Kconfig
@@ -15,3 +15,14 @@ config TILE_NET
 
          To compile this driver as a module, choose M here: the module
          will be called tile_net.
+
+config PTP_1588_CLOCK_TILEGX
+        tristate "Tilera TILE-Gx mPIPE as PTP clock"
+        select PTP_1588_CLOCK
+        depends on TILE_NET
+        depends on TILEGX
+        ---help---
+          This driver adds support for using the mPIPE as a PTP
+          clock. This clock is only useful if your PTP programs are
+          getting hardware time stamps on the PTP Ethernet packets
+          using the SO_TIMESTAMPING API.