6 Commits

Author	SHA1	Message	Date
Gregory Nutt	6090f69bfd	Add a GPIO lower-half driver that can be used to register a GPIO character driver for accessing pins on an I/O expander.	2016-08-01 08:43:10 -06:00
Gregory Nutt	c0b83cb4b4	First (untested) cut at a TCA64XX I/O Expander driver leverages from Project Ara	2016-07-31 19:52:44 -06:00
Gregory Nutt	ae19ca45e0	drivrs/ioexpander: Add support for a very simple GPIO drivers. It supports only pre-conrigured input and output pins and only basic input and output operations.	2016-06-24 09:43:49 -06:00
Gregory Nutt	8ab93fdf98	Change name of drivers/discrete back to drivers/ioexpander	2015-12-15 08:40:34 -06:00
Gregory Nutt	cbb78071b3	Rename ioexpander/ directories to discrete/	2015-11-01 13:14:48 -06:00
Sebastien Lorquet	b947002d6a	This commit adds: ... -headers in nuttx/ioexpander to define the "generic" ioexpander framework -files in drivers/ioexpander for the implementation of the NXP PCA9555 framework -bindings in drivers/Kconfig and drivers/Makefile From Sebastien Lorquet	2015-07-09 08:27:07 -06:00