On Tue, Jul 2, 2024 at 9:37 AM Frank Li <Frank.Li@xxxxxxx> wrote: > > IEEE Std 1275-1994 is Inactive-Withdrawn Standard according to > https://standards.ieee.org/ieee/1275/1932/. That has nothing to do with this. > "require at least one non-prefetchable memory and One or both of > prefetchable Memory and IO Space may also be provided". But it does not > limit maximum ranges number is 3. 3 was just my poor assumption that a non-prefetch, prefetchable and IO region would be enough. Not sure why you'd want multiple fragmented regions though. I guess for device assignment based on the comments. > Inscrease maximum to 8 because freescale ls1028 and iMX95 use more than > 3 ranges. Unless there is some actual limit, I would just drop the minItems and maxItems here. Then it will be limited to 32 entries in pci-bus-common.yaml (in dtschema) which is also a 'should be enough' value. Rob
