doc: thread: update certification information

Update the information about OpenThread prebuild libraries and replace the list of certified libraries with links to the compatibility matrices. Signed-off-by: Ruth Fuchss <[email protected]>
wiba-nordic · May 4, 2021 · a001cde · a001cde
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diff --git a/doc/links.txt b/doc/links.txt
@@ -12,6 +12,10 @@
 
 .. _`Infocenter`: https://infocenter.nordicsemi.com/index.jsp
 
+.. _`Thread CIDs for nRF5340`: https://infocenter.nordicsemi.com/topic/comp_matrix_nrf5340/COMP/nrf5340/nrf5340_thread_cids.html
+.. _`Thread CIDs for nRF52840`: https://infocenter.nordicsemi.com/topic/comp_matrix_nrf52840/COMP/nrf52840/nrf52840_thread_cids.html
+.. _`Thread CIDs for nRF52833`: https://infocenter.nordicsemi.com/topic/comp_matrix_nrf52833/COMP/nrf52833/nrf52833_thread_cids.html
+
 .. ### Links to Nordic pages
 
 .. _`nRF9160 modem firmware zip file`: https://www.nordicsemi.com/Products/Low-power-cellular-IoT/nRF9160/Download#0B34B59935AF4AFCB7AB93E9646C1F53

diff --git a/openthread/README.rst b/openthread/README.rst
@@ -7,45 +7,25 @@ OpenThread pre-built libraries
    :local:
    :depth: 2
 
-The |NCS| allows for using certified OpenThread libraries for Nordic devices.
+The |NCS| provides pre-built OpenThread libraries.
+Some of these are certified by the Thread Group for use with Nordic Semiconductor devices.
 This simplifies the OpenThread certification process of the final product.
+See :ref:`ug_thread_cert` for more information.
 
-The libraries vary depending on stack configuration and hardware cryptography capabilities.
-You can choose the stack configuration from one of the predefined set of values, also called feature sets.
-For more information about OpenThread feature sets and how to select them in |NCS|, see :ref:`nrf:thread_ug_feature_sets`.
-
-The cryptography variant is selected automatically based on the microcontroller capabilities.
-
-Thread certified library variants
-*********************************
-
-The following table describes the available Thread certified libraries for all |NCS| releases.
-
-.. list-table::
-   :header-rows: 1
-
-   * - SoC
-     - |NCS| tag
-     - Thread version
-     - Crypto backend
-     - OpenThread commit
-     - GNU Arm Embedded Toolchain
-     - Feature set
-   * - nRF52840
-     - v1.4.0
-     - :option:`CONFIG_OPENTHREAD_THREAD_VERSION_1_1`
-     - CC310
-     - ``07f430dac6c400abdd358ba1173c0f94b94a5a80``
-     - ``9-2019-q4-major``
-     - :option:`CONFIG_OPENTHREAD_NORDIC_LIBRARY_MASTER`
-   * - nRF52833
-     - v1.4.0
-     - :option:`CONFIG_OPENTHREAD_THREAD_VERSION_1_1`
-     - nrf_oberon
-     - ``07f430dac6c400abdd358ba1173c0f94b94a5a80``
-     - ``9-2019-q4-major``
-     - :option:`CONFIG_OPENTHREAD_NORDIC_LIBRARY_MASTER`
-
-For a comprehensive list of the used Kconfig options, check the :file:`openthread_lib_configuration.txt` file within each library folder.
-
-.. note:: Only library variants shown in the table have been certified.
+The pre-built libraries vary depending on stack configuration and hardware cryptography capabilities:
+
+* The stack configuration depends on the feature set that you use.
+  A feature set is a predefined set of configuration options.
+  For more information about selecting a feature set and customizing the configuration of the pre-built libraries, see :ref:`nrf:thread_ug_prebuilt`.
+* The cryptography variant is selected automatically based on the microcontroller capabilities.
+
+For the full list of configuration options that were used during compilation of the libraries, including the default values, see the :file:`openthread_lib_configuration.txt` file within each library folder.
+
+Certified libraries
+*******************
+
+Check the compatibility matrices in the `Infocenter`_ for information about which library variants and versions are certified for a specific device:
+
+* `Thread CIDs for nRF5340`_
+* `Thread CIDs for nRF52840`_
+* `Thread CIDs for nRF52833`_