doc: tfm: Add diagram to describe granularity

Add diagram to show the granularity differences between each HW. Signed-off-by: Seppo Takalo <[email protected]>
nrfconnect · Dec 23, 2024 · 762b3f2 · 762b3f2
1 parent 9c368c4
commit 762b3f2
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 0 deletions.
diff --git a/doc/nrf/images/nrf-secure-rom-granularity.svg b/doc/nrf/images/nrf-secure-rom-granularity.svg
diff --git a/doc/nrf/security/tfm.rst b/doc/nrf/security/tfm.rst
@@ -196,6 +196,13 @@ On nRF54L15 devices, TF-M uses the MPC to enforce the security policy between th
      - 4 kB
      - 4 kB
 
+.. figure:: /images/nrf-secure-rom-granularity.svg
+   :alt: Partition alignment granularity
+   :width: 80%
+   :align: center
+
+   Partition alignment granularity on different nRF devices.
+
 When the :ref:`partition_manager` is enabled, it will take into consideration the alignment requirements.
 But when the static partitions are used, the user is responsible for following the alignment requirements.