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| author | Tao Zhang <quic_taozha@quicinc.com> | 2024-02-04 13:30:41 +0800 |
|---|---|---|
| committer | Suzuki K Poulose <suzuki.poulose@arm.com> | 2024-02-12 10:29:47 +0000 |
| commit | 8e8804145a46e092c5207bb1258d29236a2cbcaa (patch) | |
| tree | 0c711a8a25b7a7619064f7df47cb21141fecebc3 /Documentation/ABI/testing | |
| parent | 19bfaff3845727f354079a140f092336d97e5c1e (diff) | |
| download | linux-8e8804145a46e092c5207bb1258d29236a2cbcaa.tar.gz | |
coresight-tpdm: Add msr register support for CMB
Add the nodes for CMB subunit MSR(mux select register) support.
CMB MSRs(mux select registers) is to separate mux, arbitration,
interleaving,data packing control from stream filtering control.
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/1707024641-22460-11-git-send-email-quic_taozha@quicinc.com
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm index e8c76ce4dd155..b4d0fc8d319df 100644 --- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm +++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm @@ -249,3 +249,11 @@ Description: Accepts only one of the 2 values - 0 or 1. 0 : Disable the timestamp of all trace packets. 1 : Enable the timestamp of all trace packets. + +What: /sys/bus/coresight/devices/<tpdm-name>/cmb_msr/msr[0:31] +Date: January 2024 +KernelVersion 6.9 +Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com> +Description: + (RW) Set/Get the MSR(mux select register) for the CMB subunit + TPDM. |