[PATCH v4 5/5] Documentation: Add ABI doc for attributes of LJCA device

Ye Xiang
2023-03-09T07:12:01Z

Add sysfs attributes Documentation entries for LJCA device

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
.../ABI/testing/sysfs-bus-usb-devices-ljca | 22 +++++++++++++++++++
1 file changed, 22 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-bus-usb-devices-ljca

diff --git a/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca b/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca
new file mode 100644
index 000000000000..e12fe78ae58b
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-usb-devices-ljca
@@ -0,0 +1,22 @@
+What: /sys/bus/usb/.../version
+Date: July 2023
+KernelVersion: 6.4
+Contact: Ye Xiang <xiang.ye@intel.com>
+Description:
+ Provides the current firmware version of LJCA device.
+ The format is Major.Minor.Patch.Build, where
+ Major, Minor, Patch, and Build are decimal numbers.
+ For example: 1.0.0.256
+
+What: /sys/bus/usb/.../cmd
+Date: July 2023
+KernelVersion: 6.4
+Contact: Ye Xiang <xiang.ye@intel.com>
+Description:
+ Commands supported by LJCA device.
+ When read, it will return valid commands.
+ When write with a command, it will execute the command.
+ Valid commands are [dfu, debug]
+ - Writing "dfu" to this file so as to put the device into
+ DFU mode so the firmware can be updated.
+ - Writing "debug" to this file to enable debug logging.
--
2.34.1