2 commits

Author	SHA1	Message	Date
Peter Johanson	00a0219e9e	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 05:06:44 +00:00
Pete Johanson	647110e5e5	feat(drivers): Add mcp23017 driver based on upstream mcp23s17 one. ... * Upstream Zephyr has in progress driver, so doing this locally here, until we can move over to that driver.	2021-09-14 20:48:28 -04:00