test/test_clock: Add minimal ECP5Delay test (syntax), rename tests with underscore.

litex/soc/cores/clock/__init__.py

@@ -12,7 +12,7 @@ from litex.soc.cores.clock.intel_cyclone10 import Cyclone10LPPLL
 
 # Lattice
 from litex.soc.cores.clock.lattice_ice40 import iCE40PLL
-from litex.soc.cores.clock.lattice_ecp5  import ECP5PLL
+from litex.soc.cores.clock.lattice_ecp5  import ECP5PLL, ECP5Delay
 from litex.soc.cores.clock.lattice_nx    import NXOSCA, NXPLL
 
 # Efinix

test/test_clock.py

@@ -13,14 +13,14 @@ from litex.soc.cores.clock import *
 
 class TestClock(unittest.TestCase):
     # Xilinx / Spartan 6
-    def test_s6pll(self):
+    def test_s6_pll(self):
         pll = S6PLL()
         pll.register_clkin(Signal(), 100e6)
         for i in range(pll.nclkouts_max):
             pll.create_clkout(ClockDomain("clkout{}".format(i)), 200e6)
         pll.compute_config()
 
-    def test_s6dcm(self):
+    def test_s6_dcm(self):
         dcm = S6DCM()
         dcm.register_clkin(Signal(), 100e6)
         for i in range(dcm.nclkouts_max):
@@ -28,14 +28,14 @@ class TestClock(unittest.TestCase):
         dcm.compute_config()
 
     # Xilinx / 7-Series
-    def test_s7pll(self):
+    def test_s7_pll(self):
         pll = S7PLL()
         pll.register_clkin(Signal(), 100e6)
         for i in range(pll.nclkouts_max):
             pll.create_clkout(ClockDomain("clkout{}".format(i)), 200e6)
         pll.compute_config()
 
-    def test_s7mmcm(self):
+    def test_s7_mmcm(self):
         mmcm = S7MMCM()
         mmcm.register_clkin(Signal(), 100e6)
         for i in range(mmcm.nclkouts_max):
@@ -43,14 +43,14 @@ class TestClock(unittest.TestCase):
         mmcm.compute_config()
 
     # Xilinx / Ultrascale
-    def test_uspll(self):
+    def test_us_pll(self):
         pll = USPLL()
         pll.register_clkin(Signal(), 100e6)
         for i in range(pll.nclkouts_max):
             pll.create_clkout(ClockDomain("clkout{}".format(i)), 200e6)
         pll.compute_config()
 
-    def test_usmmcm(self):
+    def test_us_mmcm(self):
         mmcm = USMMCM()
         mmcm.register_clkin(Signal(), 100e6)
         for i in range(mmcm.nclkouts_max):
@@ -58,14 +58,14 @@ class TestClock(unittest.TestCase):
         mmcm.compute_config()
 
     # Xilinx / Ultrascale Plus
-    def test_usppll(self):
+    def test_us_ppll(self):
         pll = USPPLL()
         pll.register_clkin(Signal(), 100e6)
         for i in range(pll.nclkouts_max):
             pll.create_clkout(ClockDomain("clkout{}".format(i)), 200e6)
         pll.compute_config()
 
-    def test_uspmmcm(self):
+    def test_us_pmmcm(self):
         mmcm = USPMMCM()
         mmcm.register_clkin(Signal(), 100e6)
         for i in range(mmcm.nclkouts_max):
@@ -73,7 +73,7 @@ class TestClock(unittest.TestCase):
         mmcm.compute_config()
 
     # Intel / CycloneIV
-    def test_cycloneivpll(self):
+    def test_cycloneiv_pll(self):
         pll = CycloneIVPLL()
         pll.register_clkin(Signal(), 50e6)
         for i in range(pll.nclkouts_max):
@@ -81,7 +81,7 @@ class TestClock(unittest.TestCase):
         pll.compute_config()
 
     # Intel / CycloneV
-    def test_cyclonevpll(self):
+    def test_cyclonev_pll(self):
         pll = CycloneVPLL()
         pll.register_clkin(Signal(), 50e6)
         for i in range(pll.nclkouts_max):
@@ -89,7 +89,7 @@ class TestClock(unittest.TestCase):
         pll.compute_config()
 
     # Intel / Cyclone10
-    def test_cyclone10pll(self):
+    def test_cyclone10_pll(self):
         pll = Cyclone10LPPLL()
         pll.register_clkin(Signal(), 50e6)
         for i in range(pll.nclkouts_max):
@@ -97,7 +97,7 @@ class TestClock(unittest.TestCase):
         pll.compute_config()
 
     # Intel / Max10
-    def test_max10pll(self):
+    def test_max10_pll(self):
         pll = Max10PLL()
         pll.register_clkin(Signal(), 50e6)
         for i in range(pll.nclkouts_max):
@@ -105,7 +105,7 @@ class TestClock(unittest.TestCase):
         pll.compute_config()
 
     # Lattice / iCE40
-    def test_ice40pll(self):
+    def test_ice40_pll(self):
         pll = USMMCM()
         pll.register_clkin(Signal(), 100e6)
         for i in range(pll.nclkouts_max):
@@ -113,7 +113,7 @@ class TestClock(unittest.TestCase):
         pll.compute_config()
 
     # Lattice / ECP5
-    def test_ecp5pll(self):
+    def test_ecp5_pll(self):
         pll = ECP5PLL()
         pll.register_clkin(Signal(), 100e6)
         for i in range(pll.nclkouts_max-1):
@@ -130,6 +130,9 @@ class TestClock(unittest.TestCase):
         pll.create_clkout(ClockDomain("clkout4"), 175e6)
         pll.compute_config()
 
+    def test_ecp5_delay(self):
+        delay = ECP5Delay()
+
     # Lattice / NX
     def test_nxpll(self):
         pll = NXPLL()