Add API usage document for sysfs API in TPDM driver.
Reviewed-by: Mike Leach <redacted>
Signed-off-by: Mao Jinlong <redacted>
---
.../ABI/testing/sysfs-bus-coresight-devices-tpdm | 13 +++++++++++++
1 file changed, 13 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
diff --git a/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
new file mode 100644
index 000000000000..1ff52c6fa0c3
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-coresight-devices-tpdm
@@ -0,0 +1,13 @@
+What: /sys/bus/coresight/devices/<tpdm-name>/integration_test
+Date: April 2022
+KernelVersion 5.18
+Contact: Jinlong Mao (QUIC) <quic_jinlmao@quicinc.com>, Tao Zhang (QUIC) <quic_taozha@quicinc.com>
+Description:
+ (Write) Run integration test for tpdm. Integration test
+ will generate test data for tpdm. It can help to make
+ sure that the trace path is enabled and the link configurations
+ are fine.
+
+ value to this sysfs node:
+ 1 : Generate 64 bits data
+ 2 : Generate 32 bits data
--
2.17.1
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