coresight-tpdm: Add timestamp control register support for the CMB

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CMB_TIER register is CMB subunit timestamp insertion enable register.
Bit 0 is PATT_TSENAB bit. Set this bit to 1 to request a timestamp
following a CMB interface pattern match. Bit 1 is XTRIG_TSENAB bit.
Set this bit to 1 to request a timestamp following a CMB CTI timestamp
request. Bit 2 is TS_ALL bit. Set this bit to 1 to request timestamp
for all packets.

Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Jinlong Mao <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-9-git-send-email-quic_taozha@quicinc.com

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Tao Zhang 2024-02-04 13:30:39 +08:00 • committed by Suzuki K Poulose

parent 53d4a017a5

commit dc6ce57e2a

3 changed files with 180 additions and 7 deletions

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35

Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm

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121

drivers/hwtracing/coresight/coresight-tpdm.c

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31

drivers/hwtracing/coresight/coresight-tpdm.h

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