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authorEnric Balletbo i Serra <enric.balletbo@collabora.com>2019-06-14 12:23:47 +0200
committerEnric Balletbo i Serra <enric.balletbo@collabora.com>2019-06-18 10:07:54 +0200
commit1fbc6ec2f35e28a23c9f0e9bef199bbbcfb4635e (patch)
tree175d2dd461eb96198b6e921d982754a3f768a34f /Documentation/ABI
parentcb78a163c1510a35c4bee2576c38a7dc95cf1ba1 (diff)
downloadlinux-1fbc6ec2f35e28a23c9f0e9bef199bbbcfb4635e.tar.bz2
platform/chrome: cros_ec_debugfs: Add debugfs ABI documentation
Add the missing ABI documentation for the already available debugfs entries: console_log, panicinfo and pdinfo. Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/debugfs-cros-ec26
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-cros-ec b/Documentation/ABI/testing/debugfs-cros-ec
index c91da2d374aa..573a82d23c89 100644
--- a/Documentation/ABI/testing/debugfs-cros-ec
+++ b/Documentation/ABI/testing/debugfs-cros-ec
@@ -1,3 +1,29 @@
+What: /sys/kernel/debug/<cros-ec-device>/console_log
+Date: September 2017
+KernelVersion: 4.13
+Description:
+ If the EC supports the CONSOLE_READ command type, this file
+ can be used to grab the EC logs. The kernel polls for the log
+ and keeps its own buffer but userspace should grab this and
+ write it out to some logs.
+
+What: /sys/kernel/debug/<cros-ec-device>/panicinfo
+Date: September 2017
+KernelVersion: 4.13
+Description:
+ This file dumps the EC panic information from the previous
+ reboot. This file will only exist if the PANIC_INFO command
+ type is supported by the EC.
+
+What: /sys/kernel/debug/<cros-ec-device>/pdinfo
+Date: June 2018
+KernelVersion: 4.17
+Description:
+ This file provides the port role, muxes and power debug
+ information for all the USB PD/type-C ports available. If
+ the are no ports available, this file will be just an empty
+ file.
+
What: /sys/kernel/debug/<cros-ec-device>/uptime
Date: June 2019
KernelVersion: 5.3