qualcomm-linux · hasiburr-qti · Jul 4, 2025 · Jul 4, 2025 · Jul 4, 2025 · Jul 4, 2025
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-cti b/Documentation/ABI/testing/sysfs-bus-coresight-devices-cti
@@ -239,3 +239,9 @@ Date:		March 2020
 KernelVersion:	5.7
 Contact:	Mike Leach or Mathieu Poirier
 Description:	(Write) Clear all channel / trigger programming.
+
+What:           /sys/bus/coresight/devices/<cti-name>/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source b/Documentation/ABI/testing/sysfs-bus-coresight-devices-dummy-source
@@ -13,3 +13,9 @@ KernelVersion:	6.14
 Contact:	Mao Jinlong <[email protected]>
 Description:	(R) Show the trace ID that will appear in the trace stream
 		coming from this trace entity.
+
+What:           /sys/bus/coresight/devices/dummy_source<N>/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etb10 b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etb10
@@ -19,6 +19,12 @@ Description:	(RW) Disables write access to the Trace RAM by stopping the
 		into the Trace RAM following the trigger event is equal to the
 		value stored in this register+1 (from ARM ETB-TRM).
 
+What:           /sys/bus/coresight/devices/<memory_map>.etb/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
+
 What:		/sys/bus/coresight/devices/<memory_map>.etb/mgmt/rdp
 Date:		March 2016
 KernelVersion:	4.7

diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm3x
@@ -251,6 +251,12 @@ KernelVersion:	4.4
 Contact:	Mathieu Poirier <[email protected]>
 Description:	(RO) Holds the cpu number this tracer is affined to.
 
+What:           /sys/bus/coresight/devices/<memory_map>.[etm|ptm]/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
+
 What:		/sys/bus/coresight/devices/<memory_map>.[etm|ptm]/mgmt/etmccr
 Date:		September 2015
 KernelVersion:	4.4

diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x b/Documentation/ABI/testing/sysfs-bus-coresight-devices-etm4x
@@ -329,6 +329,12 @@ Contact:	Mathieu Poirier <[email protected]>
 Description:	(RW) Access the selected single show PE comparator control
 		register.
 
+What:           /sys/bus/coresight/devices/etm<N>/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
+
 What:		/sys/bus/coresight/devices/etm<N>/mgmt/trcoslsr
 Date:		April 2015
 KernelVersion:	4.01

diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-funnel b/Documentation/ABI/testing/sysfs-bus-coresight-devices-funnel
@@ -10,3 +10,9 @@ Date:		November 2014
 KernelVersion:	3.19
 Contact:	Mathieu Poirier <[email protected]>
 Description:	(RW) Defines input port priority order.
+
+What:           /sys/bus/coresight/devices/<memory_map>.funnel/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-stm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-stm
@@ -51,3 +51,9 @@ KernelVersion:	4.7
 Contact:	Mathieu Poirier <[email protected]>
 Description:	(RW) Holds the trace ID that will appear in the trace stream
 		coming from this trace entity.
+
+What:           /sys/bus/coresight/devices/<memory_map>.stm/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tgu b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tgu
@@ -0,0 +1,51 @@
+What:		/sys/bus/coresight/devices/<tgu-name>/enable_tgu
+Date:		July 2025
+KernelVersion	6.16
+Contact:	Jinlong Mao (QUIC) <[email protected]>, Songwei Chai (QUIC) <[email protected]>
+Description:
+		(RW) Set/Get the enable/disable status of TGU
+		Accepts only one of the 2 values -  0 or 1.
+		0 : disable TGU.
+		1 : enable TGU.
+
+What:		/sys/bus/coresight/devices/<tgu-name>/step[0:7]_priority[0:3]/reg[0:17]
+Date:		July 2025
+KernelVersion	6.16
+Contact:	Jinlong Mao (QUIC) <[email protected]>, Songwei Chai (QUIC) <[email protected]>
+Description:
+		(RW) Set/Get the sensed signal with specific step and priority for TGU.
+
+What:		/sys/bus/coresight/devices/<tgu-name>/step[0:7]_condition_decode/reg[0:3]
+Date:		July 2025
+KernelVersion	6.16
+Contact:	Jinlong Mao (QUIC) <[email protected]>, Songwei Chai (QUIC) <[email protected]>
+Description:
+		(RW) Set/Get the decode mode with specific step for TGU.
+
+What:		/sys/bus/coresight/devices/<tgu-name>/step[0:7]_condition_select/reg[0:3]
+Date:		July 2025
+KernelVersion	6.16
+Contact:	Jinlong Mao (QUIC) <[email protected]>, Songwei Chai (QUIC) <[email protected]>
+Description:
+		(RW) Set/Get the next action with specific step for TGU.
+
+What:		/sys/bus/coresight/devices/<tgu-name>/step[0:7]_timer/reg[0:1]
+Date:		July 2025
+KernelVersion	6.16
+Contact:	Jinlong Mao (QUIC) <[email protected]>, Songwei Chai (QUIC) <[email protected]>
+Description:
+		(RW) Set/Get the timer value with specific step for TGU.
+
+What:		/sys/bus/coresight/devices/<tgu-name>/step[0:7]_counter/reg[0:1]
+Date:		July 2025
+KernelVersion	6.16
+Contact:	Jinlong Mao (QUIC) <[email protected]>, Songwei Chai (QUIC) <[email protected]>
+Description:
+		(RW) Set/Get the counter value with specific step for TGU.
+
+What:		/sys/bus/coresight/devices/<tgu-name>/reset_tgu
+Date:		July 2025
+KernelVersion	6.16
+Contact:	Jinlong Mao (QUIC) <[email protected]>, Songwei Chai (QUIC) <[email protected]>
+Description:
+		(Write) Write 1 to reset the dataset for TGU.
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc
@@ -107,3 +107,9 @@ Contact:	Anshuman Khandual <[email protected]>
 Description:	(RW) Current Coresight TMC-ETR buffer mode selected. But user could
 		only provide a mode which is supported for a given ETR device. This
 		file is available only for TMC ETR devices.
+
+What:           /sys/bus/coresight/devices/<memory_map>.tmc/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpda b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpda
@@ -0,0 +1,50 @@
+What:		/sys/bus/coresight/devices/<tpda-name>/trig_async_enable
+Date:		August 2025
+KernelVersion:	6.17
+Contact:	Jinlong Mao <[email protected]>, Tao Zhang <[email protected]>, Jie Gan <[email protected]>
+Description:
+		(RW) Enable/disable cross trigger synchronization sequence interface.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/trig_flag_ts_enable
+Date:		August 2025
+KernelVersion:	6.17
+Contact:	Jinlong Mao <[email protected]>, Tao Zhang <[email protected]>, Jie Gan <[email protected]>
+Description:
+		(RW) Enable/disable cross trigger FLAG packet request interface.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/trig_freq_enable
+Date:		August 2025
+KernelVersion:	6.17
+Contact:	Jinlong Mao <[email protected]>, Tao Zhang <[email protected]>, Jie Gan <[email protected]>
+Description:
+		(RW) Enable/disable cross trigger FREQ packet request interface.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/freq_ts_enable
+Date:		August 2025
+KernelVersion:	6.17
+Contact:	Jinlong Mao <[email protected]>, Tao Zhang <[email protected]>, Jie Gan <[email protected]>
+Description:
+		(RW) Enable/disable the timestamp for all FREQ packets.
+
+What:		/sys/bus/coresight/devices/<tpda-name>/global_flush_req
+Date:		August 2025
+KernelVersion:	6.17
+Contact:	Jinlong Mao <[email protected]>, Tao Zhang <[email protected]>, Jie Gan <[email protected]>
+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>/cmbchan_mode
+Date:		August 2025
+KernelVersion:	6.17
+Contact:	Jinlong Mao <[email protected]>, Tao Zhang <[email protected]>, Jie Gan <[email protected]>
+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>/port_flush_req
+Date:		August 2025
+KernelVersion:	6.17
+Contact:	Jinlong Mao <[email protected]>, Tao Zhang <[email protected]>, Jie Gan <[email protected]>
+Description:
+		(RW) Configure the bit i to requests a flush operation of port i on the TPDA.
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
@@ -272,3 +272,9 @@ KernelVersion	6.15
 Contact:	Jinlong Mao (QUIC) <[email protected]>, Tao Zhang (QUIC) <[email protected]>
 Description:
 		(RW) Set/Get the enablement of the individual lane.
+
+What:           /sys/bus/coresight/devices/<tpdm-name>/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-trbe b/Documentation/ABI/testing/sysfs-bus-coresight-devices-trbe
@@ -12,3 +12,9 @@ Contact:	Anshuman Khandual <[email protected]>
 Description:	(Read) Shows if TRBE updates in the memory are with access
 		and dirty flag updates as well. This value is fetched from
 		the TRBIDR register.
+
+What:           /sys/bus/coresight/devices/trbe<cpu>/label
+Date:           Aug 2025
+KernelVersion   6.18
+Contact:        Mao Jinlong <[email protected]>
+Description:    (Read) Show hardware context information of device.
diff --git a/Documentation/ABI/testing/sysfs-class-reboot-mode-reboot_modes b/Documentation/ABI/testing/sysfs-class-reboot-mode-reboot_modes
@@ -0,0 +1,39 @@
+What:		/sys/class/reboot-mode/<driver>/reboot_modes
+Date:		August 2025
+KernelVersion:	6.17.0-rc1
+Contact:	[email protected]
+		Description:
+		This interface exposes the reboot-mode arguments
+		registered with the reboot-mode framework. It is
+		a read-only interface and provides a space
+		separated list of reboot-mode arguments supported
+		on the current platform.
+		Example:
+		 recovery fastboot bootloader
+
+		The exact sysfs path may vary depending on the
+		name of the driver that registers the arguments.
+		Example:
+		 /sys/class/reboot-mode/nvmem-reboot-mode/reboot_modes
+		 /sys/class/reboot-mode/syscon-reboot-mode/reboot_modes
+		 /sys/class/reboot-mode/qcom-pon/reboot_modes
+
+		The supported arguments can be used by userspace
+		to invoke device reset using the reboot() system
+		call, with the "argument" as string to "*arg"
+		parameter along with LINUX_REBOOT_CMD_RESTART2.
+		Example:
+		 reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
+		        LINUX_REBOOT_CMD_RESTART2, "bootloader");
+
+		A driver can expose the supported arguments by
+		registering them with the reboot-mode framework
+		using the property names that follow the
+		mode-<argument> format.
+		Example:
+		 mode-bootloader, mode-recovery.
+
+		This attribute is useful for scripts or initramfs
+		logic that need to programmatically determine
+		which reboot-mode arguments are valid before
+		triggering a reboot.
diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml
@@ -84,7 +84,9 @@ properties:
           - const: arm,coresight-cti
           - const: arm,primecell
       - items:
-          - const: arm,coresight-cti-v8-arch
+          - enum:
+              - arm,coresight-cti-v8-arch
+              - qcom,coresight-cti-extended
           - const: arm,coresight-cti
           - const: arm,primecell
 
@@ -98,6 +100,10 @@ properties:
   power-domains:
     maxItems: 1
 
+  label:
+    description:
+      Description of a coresight device.
+
   arm,cti-ctm-id:
     $ref: /schemas/types.yaml#/definitions/uint32
     description:

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-sink.yaml
@@ -39,6 +39,10 @@ properties:
     enum:
       - arm,coresight-dummy-sink
 
+  label:
+    description:
+      Description of a coresight device.
+
   in-ports:
     $ref: /schemas/graph.yaml#/properties/ports
 

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dummy-source.yaml
@@ -38,6 +38,10 @@ properties:
     enum:
       - arm,coresight-dummy-source
 
+  label:
+    description:
+      Description of a coresight device.
+
   arm,static-trace-id:
     description: If dummy source needs static id support, use this to set trace id.
     $ref: /schemas/types.yaml#/definitions/uint32

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml
@@ -57,6 +57,10 @@ properties:
   power-domains:
     maxItems: 1
 
+  label:
+    description:
+      Description of a coresight device.
+
   in-ports:
     $ref: /schemas/graph.yaml#/properties/ports
 

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-dynamic-replicator.yaml
@@ -54,6 +54,10 @@ properties:
       - const: apb_pclk
       - const: atclk
 
+  label:
+    description:
+      Description of a coresight device.
+
   power-domains:
     maxItems: 1
 

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-etb10.yaml
@@ -54,6 +54,10 @@ properties:
       - const: apb_pclk
       - const: atclk
 
+  label:
+    description:
+      Description of a coresight device.
+
   power-domains:
     maxItems: 1
 

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-etm.yaml
@@ -85,6 +85,10 @@ properties:
       CPU powers down the coresight component also powers down and loses its
       context.
 
+  label:
+    description:
+      Description of a coresight device.
+
   arm,cp14:
     type: boolean
     description:

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-funnel.yaml
@@ -30,6 +30,10 @@ properties:
   power-domains:
     maxItems: 1
 
+  label:
+    description:
+      Description of a coresight device.
+
   in-ports:
     $ref: /schemas/graph.yaml#/properties/ports
 

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-static-replicator.yaml
@@ -43,6 +43,10 @@ properties:
           - const: dbg_trc
           - const: dbg_apb
 
+  label:
+    description:
+      Description of a coresight device.
+
   in-ports:
     $ref: /schemas/graph.yaml#/properties/ports
     additionalProperties: false

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tmc.yaml
@@ -55,6 +55,10 @@ properties:
       - const: apb_pclk
       - const: atclk
 
+  label:
+    description:
+      Description of a coresight device.
+
   iommus:
     maxItems: 1
 

diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-tpiu.yaml
@@ -54,6 +54,10 @@ properties:
       - const: apb_pclk
       - const: atclk
 
+  label:
+    description:
+      Description of a coresight device.
+
   power-domains:
     maxItems: 1