samples: net: openthread: create category in docs
Add higher-level category for OpenThread in docs to avoid orphaned
sample documentation.
Signed-off-by: Martin Jäger <martin@libre.solar>
diff --git a/doc/connectivity/usb/device/usb_device.rst b/doc/connectivity/usb/device/usb_device.rst
index 5dc420a..2e5649e 100644
--- a/doc/connectivity/usb/device/usb_device.rst
+++ b/doc/connectivity/usb/device/usb_device.rst
@@ -170,7 +170,7 @@
* ``zephyr,bt-c2h-uart`` used in Bluetooth,
for example see :zephyr:code-sample:`bluetooth_hci_uart`
* ``zephyr,ot-uart`` used in OpenThread,
- for example see :zephyr:code-sample:`coprocessor`
+ for example see :zephyr:code-sample:`openthread-coprocessor`
* ``zephyr,shell-uart`` used by shell for serial backend,
for example see :zephyr_file:`samples/subsys/shell/shell_module`
* ``zephyr,uart-mcumgr`` used by :zephyr:code-sample:`smp-svr` sample
diff --git a/samples/net/openthread/README.rst b/samples/net/openthread/README.rst
new file mode 100644
index 0000000..eb94b5c
--- /dev/null
+++ b/samples/net/openthread/README.rst
@@ -0,0 +1,5 @@
+.. zephyr:code-sample-category:: openthread
+ :name: OpenThread
+ :show-listing:
+
+ These samples demonstrate various use cases for the Thread protocol and underlying IEEE 802.15.4.
diff --git a/samples/net/openthread/coprocessor/README.rst b/samples/net/openthread/coprocessor/README.rst
index 373fbdf..9fa5482 100644
--- a/samples/net/openthread/coprocessor/README.rst
+++ b/samples/net/openthread/coprocessor/README.rst
@@ -1,6 +1,4 @@
-:orphan:
-
-.. zephyr:code-sample:: coprocessor
+.. zephyr:code-sample:: openthread-coprocessor
:name: OpenThread co-processor
:relevant-api: openthread
