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diff --git a/docs/system/riscv/virt.rst b/docs/system/riscv/virt.rst
index 9a06f95a34..8e9a2e4dda 100644
--- a/docs/system/riscv/virt.rst
+++ b/docs/system/riscv/virt.rst
@@ -84,6 +84,19 @@ none``, as in
Firmware images used for pflash must be exactly 32 MiB in size.
+riscv-iommu support
+-------------------
+
+The board has support for the riscv-iommu-pci device by using the following
+command line:
+
+.. code-block:: bash
+
+ $ qemu-system-riscv64 -M virt -device riscv-iommu-pci (...)
+
+Refer to :ref:`riscv-iommu` for more information on how the RISC-V IOMMU support
+works.
+
Machine-specific options
------------------------