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authorRichard Cochran <richardcochran@gmail.com>2011-04-22 12:04:31 +0200
committerJohn Stultz <john.stultz@linaro.org>2011-05-23 13:10:19 -0700
commit32bd93e8f924c23b8cc2e2a12fef0d8cc9cda0c5 (patch)
treede808d7b959459c741b9999444dfc4a4460b1d2f /drivers/ptp/Kconfig
parentc78275f366c687b5b3ead3d99fc96d1f02d38a8e (diff)
downloadlinux-32bd93e8f924c23b8cc2e2a12fef0d8cc9cda0c5.tar.bz2
ptp: Added a clock driver for the IXP46x.
This patch adds a driver for the hardware time stamping unit found on the IXP465. The basic clock operations and an external trigger are implemented. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: John Stultz <john.stultz@linaro.org> Acked-by: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'drivers/ptp/Kconfig')
-rw-r--r--drivers/ptp/Kconfig13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 12eb8447c26b..fcfafd091fdd 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -40,4 +40,17 @@ config PTP_1588_CLOCK_GIANFAR
To compile this driver as a module, choose M here: the module
will be called gianfar_ptp.
+config PTP_1588_CLOCK_IXP46X
+ tristate "Intel IXP46x as PTP clock"
+ depends on PTP_1588_CLOCK
+ depends on IXP4XX_ETH
+ help
+ This driver adds support for using the IXP46X 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_ixp46x.
+
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