Commit graph

2 commits

Author SHA1 Message Date
Peter Johanson
b5e73204e8 fix(drivers): Avoid build failures for GPIO driver
* Avoid defining the ZMK GPIO drivers lib if none of the drivers  are
  selected.
2022-06-05 17:57:35 -04:00
Peter Johanson
6a86cd0547 feat(gpio): Add 595 shift register driver.
* Use SPI for sending serial data.
* Supports 1-4 shift registers chained together by
  setting `ngios` property appropriately.
2022-06-03 22:45:04 -04:00