ports/rp2: Make pins.csv configurable. #17028
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Allow mpconfigboard.cmake to specify a custom MICROPY_BOARD_PINS to
override ${MICROPY_BOARD_DIR}/pins.csv.
Signed-off-by: Phil Howard <github@gadgetoid.com>
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Code size report: |
This was referenced Mar 28, 2025
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Allow mpconfigboard.cmake to specify a custom
MICROPY_BOARD_PINSto override${MICROPY_BOARD_DIR}/pins.csv.Summary
RP2350 has a "B" variant chip which could conceivably be configured in a board variant (big and small versions) and require its own, separate pins.csv config with the additional pins configured.
This may apply also to W and non-W versions where the CYW43 might need
WL_GPIOnpins specified but there are otherwise few meaningful changes to justify entirely separate boards.Finally the RM2 module support added by #16057 might need optional
WL_GPIOnpins configured for traditionally non-W boards with added support for an external wireless module, though this is contentious since those pins wont be available without an attached module.This PR is mostly to address point 3, in an effort to make the changeset in #16057 smaller and easier to review.
But it's also counter-intuitive to have support for variants without support for specifying variant versions of config files.
Testing
TODO! This would need a rebase of #16057 assuming this is even the way we want to approach the problem.
Trade-offs and Alternatives
I don't think there are any real downsides to this feature, though it should probably be reflected across all CMake-based ports.