open-source-silicon.dev

Hello, we are trying to harden our macros but we intend to run our digital supply vccd1&lt;1.8V. Is there a way to let the PDN configurator know a target supply value? I see a warning in the log generated by openlane saying
`[WARNING PSM-0022] Using voltage 1.800V for VDD network.`
which makes me think that there might be a place to specify the 1.8V, but I couldn't find it in the <https://github.com/The-OpenROAD-Project/OpenROAD/tree/master/src/pdn|pdngen documentation> or OpenLane's <https://openlane.readthedocs.io/en/latest/docs/source/advanced_power_grid_control.html#macro-level|advanced power grid control>.

<https://openroad.readthedocs.io/en/latest/main/src/pdn/README.html>