adding cleaned up power_switch.py

Signed-off-by: Don MacMillen <[email protected]>

Author: macd

src/pdn/test/power_switch.py

@@ -0,0 +1,34 @@
+# test for power switch, which is not implemented
+from openroad import Design, Tech
+import pdn_aux
+import helpers
+
+tech = Tech()
+tech.readLef("sky130hd/sky130hd.tlef")
+tech.readLef("sky130hd/sky130_fd_sc_hd_merged.lef")
+tech.readLef("sky130_power_switch/power_switch.lef")
+
+design = Design(tech)
+design.readDef("sky130_power_switch/floorplan.def")
+
+pdn_aux.add_global_connection(design, net_name="VDD", power=True, pin_pattern="^VDDG$")
+pdn_aux.add_global_connection(design, net_name="VDD_SW", power=True, pin_pattern="^VPB$")
+pdn_aux.add_global_connection(design, net_name="VDD_SW", pin_pattern="^VPWR$")
+pdn_aux.add_global_connection(design, net_name="VSS", power=True, pin_pattern="^VGND$")
+pdn_aux.add_global_connection(design, net_name="VSS", power=True, pin_pattern="^VNB$")
+
+pdn_aux.set_voltage_domain(design, power="VDD", ground="VSS", switched_power_name="VDD_SW")
+pdn_aux.define_power_switch_cell(design, name="POWER_SWITCH", control="SLEEP", acknowledge="SLEEP_OUT",
+                                 power_switchable="VPWR", power="VDDG", ground="VGND")
+pdn_aux.define_pdn_grid_real(design, name="Core", power_switch_cell="POWER_SWITCH", 
+                             power_control="nPWRUP", power_control_network="DAISY")
+
+pdn_aux.add_pdn_stripe(design, layer="met1", width=0.48, offset=0, followpins=True)
+pdn_aux.add_pdn_stripe(design, layer="met4", width=1.600, pitch=27.140, offset=13.570)
+pdn_aux.add_pdn_stripe(design, layer="met5", width=1.600, pitch=27.200, offset=13.600)
+
+pdn_aux.add_pdn_connect(design, layers=["met1", "met4"])
+pdn_aux.add_pdn_connect(design, layers=["met2", "met4"])
+pdn_aux.add_pdn_connect(design, layers=["met4", "met5"])
+
+design.getPdnGen().report()