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DO NOT MERGE: designs: ihp-sg13g2: Add I2C GPIO Expander #2655

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@dnltz dnltz commented Jan 5, 2025

Simple I2C GPIO expander with 8 GPIO pins.

This design is a full chip layout with IO ring included. It's missing metal fill and therefore not tape-out ready but a new example to demonstrate OpenROAD and/or the IHP PDK due it's short build time.

Simple I2C GPIO expander with 8 GPIO pins.

This design is a full chip layout with IO ring included. It's
missing metal fill and therefore not tape-out ready but a new
example to demonstrate OpenROAD and/or the IHP PDK due it's
short build time.

Signed-off-by: Daniel Schultz <[email protected]>
@dnltz dnltz force-pushed the WIP/dnltz/i2c-gpio-expander branch from a956287 to 0cb25f2 Compare January 5, 2025 11:07
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Is this specific to this design or should it be part of the PDK?

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Each design needs a custom sealring which fits the IO ring size.

@maliberty
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Thanks for contributing your design. It is good to have one with a padring. I see this is a still a draft - it is ready for review or are you still preparing it?

@dnltz dnltz changed the title designs: ihp-sg13g2: Add I2C GPIO Expander DO NOT MERGE: designs: ihp-sg13g2: Add I2C GPIO Expander Jan 5, 2025
@dnltz dnltz marked this pull request as ready for review January 5, 2025 19:44
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dnltz commented Jan 5, 2025

Thanks for contributing your design. It is good to have one with a padring. I see this is a still a draft - it is ready for review or are you still preparing it?

It's ready for review (changed the PR state) but not ready for merging due the linked issue.

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dnltz commented Jan 5, 2025

@maliberty how can I add this design to the jenkins builds?

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@maliberty how can I add this design to the jenkins builds?

Currently the jenkins setup is in a private repo. I can add the design once this is merged.

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2 participants