diff --git a/artiq/test/gateware/dsp/__init__.py b/artiq/test/gateware/dsp/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/artiq/test/gateware/fir.py b/artiq/test/gateware/dsp/fir.py
similarity index 100%
rename from artiq/test/gateware/fir.py
rename to artiq/test/gateware/dsp/fir.py
diff --git a/artiq/test/gateware/test_accu.py b/artiq/test/gateware/dsp/test_accu.py
similarity index 100%
rename from artiq/test/gateware/test_accu.py
rename to artiq/test/gateware/dsp/test_accu.py
diff --git a/artiq/test/gateware/test_sawg.py b/artiq/test/gateware/dsp/test_sawg.py
similarity index 100%
rename from artiq/test/gateware/test_sawg.py
rename to artiq/test/gateware/dsp/test_sawg.py
diff --git a/artiq/test/gateware/test_sawg_fe.py b/artiq/test/gateware/dsp/test_sawg_fe.py
similarity index 100%
rename from artiq/test/gateware/test_sawg_fe.py
rename to artiq/test/gateware/dsp/test_sawg_fe.py
diff --git a/artiq/test/gateware/test_sawg_phy.py b/artiq/test/gateware/dsp/test_sawg_phy.py
similarity index 100%
rename from artiq/test/gateware/test_sawg_phy.py
rename to artiq/test/gateware/dsp/test_sawg_phy.py
diff --git a/artiq/test/gateware/test_spline.py b/artiq/test/gateware/dsp/test_spline.py
similarity index 100%
rename from artiq/test/gateware/test_spline.py
rename to artiq/test/gateware/dsp/test_spline.py
diff --git a/artiq/test/gateware/tools.py b/artiq/test/gateware/dsp/tools.py
similarity index 100%
rename from artiq/test/gateware/tools.py
rename to artiq/test/gateware/dsp/tools.py