phy: nxp-c45-tja11xx: add timestamping support

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Add mii_timestamper interface and register a ptp clock.
The package timestamping can work with or without interrupts.
RX timestamps are received in the reserved field of the PTP package.
TX timestamps are read via MDIO from a set of registers.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Radu Pirea (NXP OSS) 2021-05-10 18:34:33 +03:00 • committed by David S. Miller

parent 9d9d415f00

commit 514def5dd3

1 changed files with 530 additions and 1 deletions

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drivers/net/phy/nxp-c45-tja11xx.c

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