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-rw-r--r--Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc
index 6aa527296c..96aafa66b4 100644
--- a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tmc
@@ -91,3 +91,19 @@ Contact: Mathieu Poirier <mathieu.poirier@linaro.org>
Description: (RW) Size of the trace buffer for TMC-ETR when used in SYSFS
mode. Writable only for TMC-ETR configurations. The value
should be aligned to the kernel pagesize.
+
+What: /sys/bus/coresight/devices/<memory_map>.tmc/buf_modes_available
+Date: August 2023
+KernelVersion: 6.7
+Contact: Anshuman Khandual <anshuman.khandual@arm.com>
+Description: (Read) Shows all supported Coresight TMC-ETR buffer modes available
+ for the users to configure explicitly. This file is avaialble only
+ for TMC ETR devices.
+
+What: /sys/bus/coresight/devices/<memory_map>.tmc/buf_mode_preferred
+Date: August 2023
+KernelVersion: 6.7
+Contact: Anshuman Khandual <anshuman.khandual@arm.com>
+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.