ptp: Added a clock that uses the eTSEC found on the MPC85xx.
The eTSEC includes a PTP clock with quite a few features. This patch adds support for the basic clock adjustment functions, plus two external time stamps, one alarm, and the PPS callback. Signed-off-by: NRichard Cochran <richard.cochran@omicron.at> Acked-by: NDavid S. Miller <davem@davemloft.net> Acked-by: NJohn Stultz <john.stultz@linaro.org> Signed-off-by: NJohn Stultz <john.stultz@linaro.org>
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drivers/net/gianfar_ptp.c
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