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The design includes bidirectional I/O >> + buffers that implement open collector drivers for the SDA and SCL signals. >> + External pull-up resistors are required to properly hold the bus at a Logic-1 >> + level when the drivers are released. >> + >> + For more details, please see https://docs.amd.com/r/en-US/pg439-axi-i3c >> + >> +properties: >> + compatible: >> + const: xlnx,axi-i3c-1.0 > > I'm still wondering where 1.0 comes from? From the link the only > versions I could see are Vivado tool versions which appear to be year > based. If the IP is bundled with the tool, then use the tool version > (oldest version you tested with) if there is no other versioning. A 1.0 > version really just sounds like you made it up. > > Something like bindings/sifive/sifive,blocks-ip-versioning.yaml is what > I'm looking for. This is what I have found in public space talking about it. https://www.amd.com/en/products/adaptive-socs-and-fpgas/intellectual-property/vivado-ip-versioning.html https://docs.amd.com/r/en-US/ug1118-vivado-creating-packaging-custom-ip/Versioning-and-Revision-Control https://docs.amd.com/r/en-US/ug896-vivado-ip/Upgrading-IP In past structure was slightly different. There was also alphabet suffix. You can see it for example here Documentation/devicetree/bindings/timer/xlnx,xps-timer.yaml This is for example change log based on Vivado version to give you an idea how it is tracked and described. Thanks, Michal 2025.1: * Version 1.0 (Rev. 4) * New Feature: Dynamic addressing feature updated to handle dynamic address register update within the IP. * New Feature: Updated IP Catalog taxonomy structure. This change has no impact to the IP. * Revision change in one or more subcores 2024.2.2: * Version 1.0 (Rev. 3) * No changes 2024.2.1: * Version 1.0 (Rev. 3) * Revision change in one or more subcores 2024.2: * Version 1.0 (Rev. 2) * New Feature: Support for Target added * Revision change in one or more subcores 2024.1.2: * Version 1.0 (Rev. 1) * No changes 2024.1.1: * Version 1.0 (Rev. 1) * Revision change in one or more subcores 2024.1: * Version 1.0 * General: Initial release