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-rw-r--r--drivers/ptp/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 68d72010229..cd9bc3b129b 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -72,4 +72,17 @@ config DP83640_PHY
In order for this to work, your MAC driver must also
implement the skb_tx_timetamp() function.
+config PTP_1588_CLOCK_PCH
+ tristate "Intel PCH EG20T as PTP clock"
+ depends on PTP_1588_CLOCK
+ depends on PCH_GBE
+ help
+ This driver adds support for using the PCH EG20T 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.
+
+ To compile this driver as a module, choose M here: the module
+ will be called ptp_pch.
+
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