Merge tag 'coresight-next-v7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next

Suzuki writes:

coresight: Updates for Linux v6.20/v7.0

This batch of CoreSight hwtracing updates contains :
 - Fine grained control of Timestamp generation in ETM4 trace, retaining backward
   compatibility
 - Feature updates for Qualcomm TPDA driver
 - Support Qualcomm Interconnect TNOC
 - Miscellaneous fixes to TMC-ETR driver

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

* tag 'coresight-next-v7.0' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (27 commits)
  coresight: tmc: Decouple the perf buffer allocation from sysfs mode
  coresight: tmc-etr: Fix race condition between sysfs and perf mode
  coresight: tmc: Add missing doc including reading and etr_mode of struct tmc_drvdata
  coresight-tnoc: Add runtime PM support for Interconnect TNOC
  coresight-tnoc: add platform driver to support Interconnect TNOC
  dt-bindings: arm: qcom: Add Coresight Interconnect TNOC
  coresight: etm3x: Fix cpulocked warning on cpuhp
  coresight: tpda: Fix intendation for sysfs interface documentation
  coresight: tpda: add sysfs node to flush specific port
  coresight: tpda: add logic to configure TPDA_SYNCR register
  coresight: tpda: add global_flush_req sysfs node
  coresight: tpda: add sysfs nodes for tpda cross-trigger configuration
  coresight: docs: Document etm4x timestamp interval option
  coresight: Extend width of timestamp format attribute
  coresight: Prepare to allow setting the timestamp interval
  coresight: Remove misleading definitions
  coresight: Interpret ETMv4 config with ATTR_CFG_GET_FLD()
  coresight: Interpret perf config with ATTR_CFG_GET_FLD()
  coresight: Don't reject unrecognized ETMv3 format attributes
  coresight: Interpret ETMv3 config with ATTR_CFG_GET_FLD()
  ...

12 files changed, 222 insertions, 46 deletions

diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source b/Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source
index 321e3ee1fc9d..c8c58914116e 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source
@@ -1,7 +1,7 @@
 What:		/sys/bus/coresight/devices/dummy_source<N>/enable_source
 Date:		Dec 2024
 KernelVersion:	6.14
-Contact:	Mao Jinlong <quic_jinlmao@quicinc.com>
+Contact:	Mao Jinlong <jinlong.mao@oss.qualcomm.com>
 Description:	(RW) Enable/disable tracing of dummy source. A sink should be activated
 		before enabling the source. The path of coresight components linking
 		the source to the sink is configured and managed automatically by the
@@ -10,7 +10,7 @@ Description:	(RW) Enable/disable tracing of dummy source. A sink should be activ
 What:		/sys/bus/coresight/devices/dummy_source<N>/traceid
 Date:		Dec 2024
 KernelVersion:	6.14
-Contact:	Mao Jinlong <quic_jinlmao@quicinc.com>
+Contact:	Mao Jinlong <jinlong.mao@oss.qualcomm.com>
 Description:	(R) Show the trace ID that will appear in the trace stream
 		coming from this trace entity.
 
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpda b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpda
new file mode 100644
index 000000000000..650431feae45
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpda
@@ -0,0 +1,69 @@
+What:		/sys/bus/coresight/devices/<tpda-name>/trig_async_enable
+Date:		December 2025
+KernelVersion:	6.20
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>, Jie Gan <jie.gan@oss.qualcomm.com>
+Description:
+		(RW) Enable/disable cross trigger synchronization sequence interface.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/trig_flag_ts_enable
+Date:		December 2025
+KernelVersion:	6.20
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>, Jie Gan <jie.gan@oss.qualcomm.com>
+Description:
+		(RW) Enable/disable cross trigger FLAG packet request interface.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/trig_freq_enable
+Date:		December 2025
+KernelVersion:	6.20
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>, Jie Gan <jie.gan@oss.qualcomm.com>
+Description:
+		(RW) Enable/disable cross trigger FREQ packet request interface.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/freq_ts_enable
+Date:		December 2025
+KernelVersion:	6.20
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>, Jie Gan <jie.gan@oss.qualcomm.com>
+Description:
+		(RW) Enable/disable the timestamp for all FREQ packets.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/cmbchan_mode
+Date:		December 2025
+KernelVersion:	6.20
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>, Jie Gan <jie.gan@oss.qualcomm.com>
+Description:
+		(RW) Configure the CMB/MCMB channel mode for all enabled ports.
+		Value 0 means raw channel mapping mode. Value 1 means channel pair marking mode.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/global_flush_req
+Date:		December 2025
+KernelVersion:	6.20
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>, Jie Gan <jie.gan@oss.qualcomm.com>
+Description:
+		(RW) Set global (all ports) flush request bit. The bit remains set until a
+		global flush request sequence completes.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/syncr_mode
+Date:		December 2025
+KernelVersion:	6.20
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>, Jie Gan <jie.gan@oss.qualcomm.com>
+Description:
+		(RW) Set mode the of the syncr counter.
+		mode 0 - COUNT[11:0] value represents the approximate number of bytes moved between two ASYNC packet requests
+		mode 1 - the bits COUNT[11:7] are used as a power of 2. for example, we could insert an async packet every 8K
+		data by writing a value 13 to the COUNT[11:7] field.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/syncr_count
+Date:		December 2025
+KernelVersion:	6.20
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>, Jie Gan <jie.gan@oss.qualcomm.com>
+Description:
+		(RW) Set value the of the syncr counter.
+		Range: 0-4095
+
+What:		/sys/bus/coresight/devices/<tpda-name>/port_flush_req
+Date:		December 2025
+KernelVersion:	6.20
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>, Jie Gan <jie.gan@oss.qualcomm.com>
+Description:
+		(RW) Configure the bit i to requests a flush operation of port i on the TPDA.
+		The requested bit(s) remain set until the flush request completes.
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
index 98f1c6545027..f8016df64532 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
@@ -1,7 +1,7 @@
 What:		/sys/bus/coresight/devices/<tpdm-name>/integration_test
 Date:		January 2023
 KernelVersion:	6.2
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(Write) Run integration test for tpdm. Integration test
 		will generate test data for tpdm. It can help to make
@@ -15,7 +15,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/reset_dataset
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(Write) Reset the dataset of the tpdm.
 
@@ -25,7 +25,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_trig_type
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the trigger type of the DSB for tpdm.
 
@@ -36,7 +36,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_trig_ts
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the trigger timestamp of the DSB for tpdm.
 
@@ -47,7 +47,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_mode
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the programming mode of the DSB for tpdm.
 
@@ -61,7 +61,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_edge/ctrl_idx
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the index number of the edge detection for the DSB
 		subunit TPDM. Since there are at most 256 edge detections, this
@@ -70,7 +70,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_edge/ctrl_val
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		Write a data to control the edge detection corresponding to
 		the index number. Before writing data to this sysfs file,
@@ -86,7 +86,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_edge/ctrl_mask
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		Write a data to mask the edge detection corresponding to the index
 		number. Before writing data to this sysfs file, "ctrl_idx" should
@@ -98,21 +98,21 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_edge/edcr[0:15]
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		Read a set of the edge control value of the DSB in TPDM.
 
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_edge/edcmr[0:7]
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		Read a set of the edge control mask of the DSB in TPDM.
 
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_trig_patt/xpr[0:7]
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the value of the trigger pattern for the DSB
 		subunit TPDM.
@@ -120,7 +120,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_trig_patt/xpmr[0:7]
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the mask of the trigger pattern for the DSB
 		subunit TPDM.
@@ -128,21 +128,21 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_patt/tpr[0:7]
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the value of the pattern for the DSB subunit TPDM.
 
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_patt/tpmr[0:7]
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the mask of the pattern for the DSB subunit TPDM.
 
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_patt/enable_ts
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(Write) Set the pattern timestamp of DSB tpdm. Read
 		the pattern timestamp of DSB tpdm.
@@ -154,7 +154,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_patt/set_type
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(Write) Set the pattern type of DSB tpdm. Read
 		the pattern type of DSB tpdm.
@@ -166,7 +166,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_msr/msr[0:31]
 Date:		March 2023
 KernelVersion:	6.7
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the MSR(mux select register) for the DSB subunit
 		TPDM.
@@ -174,7 +174,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/cmb_mode
 Date:		January 2024
 KernelVersion:	6.9
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:	(Write) Set the data collection mode of CMB tpdm. Continuous
 		change creates CMB data set elements on every CMBCLK edge.
 		Trace-on-change creates CMB data set elements only when a new
@@ -188,7 +188,7 @@ Description:	(Write) Set the data collection mode of CMB tpdm. Continuous
 What:		/sys/bus/coresight/devices/<tpdm-name>/cmb_trig_patt/xpr[0:1]
 Date:		January 2024
 KernelVersion:	6.9
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the value of the trigger pattern for the CMB
 		subunit TPDM.
@@ -196,7 +196,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/cmb_trig_patt/xpmr[0:1]
 Date:		January 2024
 KernelVersion:	6.9
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the mask of the trigger pattern for the CMB
 		subunit TPDM.
@@ -204,21 +204,21 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_patt/tpr[0:1]
 Date:		January 2024
 KernelVersion:	6.9
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the value of the pattern for the CMB subunit TPDM.
 
 What:		/sys/bus/coresight/devices/<tpdm-name>/dsb_patt/tpmr[0:1]
 Date:		January 2024
 KernelVersion:	6.9
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the mask of the pattern for the CMB subunit TPDM.
 
 What:		/sys/bus/coresight/devices/<tpdm-name>/cmb_patt/enable_ts
 Date:		January 2024
 KernelVersion:	6.9
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(Write) Set the pattern timestamp of CMB tpdm. Read
 		the pattern timestamp of CMB tpdm.
@@ -230,7 +230,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/cmb_trig_ts
 Date:		January 2024
 KernelVersion:	6.9
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the trigger timestamp of the CMB for tpdm.
 
@@ -241,7 +241,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/cmb_ts_all
 Date:		January 2024
 KernelVersion:	6.9
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Read or write the status of timestamp upon all interface.
 		Only value 0 and 1  can be written to this node. Set this node to 1 to request
@@ -253,7 +253,7 @@ Description:
 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>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the MSR(mux select register) for the CMB subunit
 		TPDM.
@@ -261,7 +261,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/mcmb_trig_lane
 Date:		Feb 2025
 KernelVersion	6.15
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get which lane participates in the output pattern
 		match cross trigger mechanism for the MCMB subunit TPDM.
@@ -269,7 +269,7 @@ Description:
 What:		/sys/bus/coresight/devices/<tpdm-name>/mcmb_lanes_select
 Date:		Feb 2025
 KernelVersion	6.15
-Contact:	Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Contact:	Jinlong Mao <jinlong.mao@oss.qualcomm.com>, Tao Zhang <tao.zhang@oss.qualcomm.com>
 Description:
 		(RW) Set/Get the enablement of the individual lane.
 
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
index ed091dc0c10a..206681ccaa4c 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
@@ -31,7 +31,7 @@ maintainers:
   - Mike Leach <mike.leach@linaro.org>
   - Suzuki K Poulose <suzuki.poulose@arm.com>
   - James Clark <james.clark@linaro.org>
-  - Mao Jinlong <quic_jinlmao@quicinc.com>
+  - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
   - Hao Zhang <quic_hazha@quicinc.com>
 
 properties:
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
index 78337be42b55..0b1e12ae95c3 100644
--- a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
@@ -30,7 +30,7 @@ maintainers:
   - Mike Leach <mike.leach@linaro.org>
   - Suzuki K Poulose <suzuki.poulose@arm.com>
   - James Clark <james.clark@linaro.org>
-  - Mao Jinlong <quic_jinlmao@quicinc.com>
+  - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
   - Hao Zhang <quic_hazha@quicinc.com>
 
 properties:
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml
index c969c16c21ef..e002f87361ad 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-ctcu.yaml
@@ -7,9 +7,9 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: CoreSight TMC Control Unit
 
 maintainers:
-  - Yuanfang Zhang <quic_yuanfang@quicinc.com>
-  - Mao Jinlong <quic_jinlmao@quicinc.com>
-  - Jie Gan <quic_jiegan@quicinc.com>
+  - Yuanfang Zhang <yuanfang.zhang@oss.qualcomm.com>
+  - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
+  - Jie Gan <jie.gan@oss.qualcomm.com>
 
 description: |
   The Trace Memory Controller(TMC) is used for Embedded Trace Buffer(ETB),
@@ -26,8 +26,13 @@ description: |
 
 properties:
   compatible:
-    enum:
-      - qcom,sa8775p-ctcu
+    oneOf:
+      - items:
+          - enum:
+              - qcom,qcs8300-ctcu
+          - const: qcom,sa8775p-ctcu
+      - enum:
+          - qcom,sa8775p-ctcu
 
   reg:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-itnoc.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-itnoc.yaml
new file mode 100644
index 000000000000..8936bb7c3e8e
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-itnoc.yaml
@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/qcom,coresight-itnoc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Interconnect Trace Network On Chip - ITNOC
+
+maintainers:
+  - Yuanfang Zhang <yuanfang.zhang@oss.qualcomm.com>
+
+description:
+  The Interconnect TNOC is a CoreSight graph link that forwards trace data
+  from a subsystem to the Aggregator TNOC. Compared to Aggregator TNOC, it
+  does not have aggregation and ATID functionality.
+
+properties:
+  $nodename:
+    pattern: "^itnoc(@[0-9a-f]+)?$"
+
+  compatible:
+    const: qcom,coresight-itnoc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: apb
+
+  in-ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    patternProperties:
+      '^port(@[0-9a-f]{1,2})?$':
+        description: Input connections from CoreSight Trace Bus
+        $ref: /schemas/graph.yaml#/properties/port
+
+  out-ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+    additionalProperties: false
+
+    properties:
+      port:
+        description: out connections to aggregator TNOC
+        $ref: /schemas/graph.yaml#/properties/port
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - in-ports
+  - out-ports
+
+additionalProperties: false
+
+examples:
+  - |
+    itnoc@109ac000 {
+        compatible = "qcom,coresight-itnoc";
+        reg = <0x109ac000 0x1000>;
+
+        clocks = <&aoss_qmp>;
+        clock-names = "apb";
+
+        in-ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+            port@0 {
+                reg = <0>;
+                tn_ic_in_tpdm_dcc: endpoint {
+                    remote-endpoint = <&tpdm_dcc_out_tn_ic>;
+                };
+            };
+        };
+
+        out-ports {
+            port {
+                tn_ic_out_tnoc_aggr: endpoint {
+                    /* to Aggregator TNOC input */
+                    remote-endpoint = <&tn_ag_in_tn_ic>;
+                };
+            };
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
index ffe613efeabe..e3a32f30551c 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-remote-etm.yaml
@@ -7,8 +7,8 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Qualcomm Coresight Remote ETM(Embedded Trace Macrocell)
 
 maintainers:
-  - Jinlong Mao <quic_jinlmao@quicinc.com>
-  - Tao Zhang <quic_taozha@quicinc.com>
+  - Jinlong Mao <jinlong.mao@oss.qualcomm.com>
+  - Tao Zhang <tao.zhang@oss.qualcomm.com>
 
 description:
   Support for ETM trace collection on remote processor using coresight
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tnoc.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tnoc.yaml
index 9d1c93a9ade3..ef648a15b806 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tnoc.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tnoc.yaml
@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Qualcomm Trace Network On Chip - TNOC
 
 maintainers:
-  - Yuanfang Zhang <quic_yuanfang@quicinc.com>
+  - Yuanfang Zhang <yuanfang.zhang@oss.qualcomm.com>
 
 description: >
   The Trace Network On Chip (TNOC) is an integration hierarchy hardware
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
index a48c9ac3eaa9..70d297b054c3 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpda.yaml
@@ -33,8 +33,8 @@ description: |
   to sink.
 
 maintainers:
-  - Mao Jinlong <quic_jinlmao@quicinc.com>
-  - Tao Zhang <quic_taozha@quicinc.com>
+  - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
+  - Tao Zhang <tao.zhang@oss.qualcomm.com>
 
 # Need a custom select here or 'arm,primecell' will match on lots of nodes
 select:
diff --git a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
index c349306f0d52..152403f548c3 100644
--- a/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom,coresight-tpdm.yaml
@@ -19,8 +19,8 @@ description: |
   sources and send it to a TPDA for packetization, timestamping, and funneling.
 
 maintainers:
-  - Mao Jinlong <quic_jinlmao@quicinc.com>
-  - Tao Zhang <quic_taozha@quicinc.com>
+  - Mao Jinlong <jinlong.mao@oss.qualcomm.com>
+  - Tao Zhang <tao.zhang@oss.qualcomm.com>
 
 # Need a custom select here or 'arm,primecell' will match on lots of nodes
 select:
diff --git a/Documentation/trace/coresight/coresight.rst b/Documentation/trace/coresight/coresight.rst
index 806699871b80..d461de4e067e 100644
--- a/Documentation/trace/coresight/coresight.rst
+++ b/Documentation/trace/coresight/coresight.rst
@@ -613,8 +613,20 @@ They are also listed in the folder /sys/bus/event_source/devices/cs_etm/format/
      - Session local version of the system wide setting: :ref:`ETM_MODE_RETURNSTACK
        <coresight-return-stack>`
    * - timestamp
-     - Session local version of the system wide setting: :ref:`ETMv4_MODE_TIMESTAMP
-       <coresight-timestamp>`
+     - Controls generation and interval of timestamps.
+
+       0 = off, 1 = minimum interval .. 15 = maximum interval.
+
+       Values 1 - 14 use a counter that decrements every cycle to generate a
+       timestamp on underflow. The reload value for the counter is 2 ^ (interval
+       - 1). If the value is 1 then the reload value is 1, if the value is 11
+       then the reload value is 1024 etc.
+
+       Setting the maximum interval (15) will disable the counter generated
+       timestamps, freeing the counter resource, leaving only ones emitted when
+       a SYNC packet is generated. The sync interval is controlled with
+       TRCSYNCPR.PERIOD which is every 4096 bytes of trace by default.
+
    * - cc_threshold
      - Cycle count threshold value. If nothing is provided here or the provided value is 0, then the
        default value i.e 0x100 will be used. If provided value is less than minimum cycles threshold