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| author | Souradeep Chowdhury <quic_schowdhu@quicinc.com> | 2022-02-08 20:54:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-11 14:01:02 +0300 |
| commit | 9a1bf58ccd4432688cee28a8e77726d7962fed13 (patch) | |
| tree | a6ea52ec98e481c77f8a481f6ed28071e5fc5f7d /Documentation/ABI/testing/sysfs-driver-eud | |
| parent | 306a20df822d5a6522aa4aa2029a858ed5fbd517 (diff) | |
| download | linux-9a1bf58ccd4432688cee28a8e77726d7962fed13.tar.xz | |
usb: misc: eud: Add driver support for Embedded USB Debugger(EUD)
Add support for control peripheral of EUD (Embedded USB Debugger) to
listen to events such as USB attach/detach, pet EUD to indicate software
is functional.Reusing the platform device kobj, sysfs entry 'enable' is
created to enable or disable EUD.
To enable the eud the following needs to be done
echo 1 > /sys/bus/platform/.../enable
To disable eud, following is the command
echo 0 > /sys/bus/platform/.../enable
Signed-off-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
Link: https://lore.kernel.org/r/0ac5c2b2c8e4ce4f4f342a08b48cfc61aeaf7ee8.1644339918.git.quic_schowdhu@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-driver-eud')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-eud | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-eud b/Documentation/ABI/testing/sysfs-driver-eud new file mode 100644 index 000000000000..83f3872182a4 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-eud @@ -0,0 +1,9 @@ +What: /sys/bus/platform/drivers/eud/.../enable +Date: February 2022 +Contact: Souradeep Chowdhury <quic_schowdhu@quicinc.com> +Description: + The Enable/Disable sysfs interface for Embedded + USB Debugger(EUD). This enables and disables the + EUD based on a 1 or a 0 value. By enabling EUD, + the user is able to activate the mini-usb hub of + EUD for debug and trace capabilities. |