From 8e8804145a46e092c5207bb1258d29236a2cbcaa Mon Sep 17 00:00:00 2001 From: Tao Zhang Date: Sun, 4 Feb 2024 13:30:41 +0800 Subject: 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 Signed-off-by: Tao Zhang Signed-off-by: Mao Jinlong Signed-off-by: Suzuki K Poulose Link: https://lore.kernel.org/r/1707024641-22460-11-git-send-email-quic_taozha@quicinc.com --- Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'Documentation/ABI') diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm index e8c76ce4dd15..b4d0fc8d319d 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//cmb_msr/msr[0:31] +Date: January 2024 +KernelVersion 6.9 +Contact: Jinlong Mao (QUIC) , Tao Zhang (QUIC) +Description: + (RW) Set/Get the MSR(mux select register) for the CMB subunit + TPDM. -- cgit v1.2.3