iio: health: Add driver for the TI AFE4404 heart monitor

Add driver for the TI AFE4404 heart rate monitor and pulse oximeter.
This device detects reflected LED light fluctuations and presents an ADC
value to the user space for further signal processing.

Datasheet: http://www.ti.com/product/AFE4404/datasheet

Signed-off-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Andrew F. Davis 2016-02-02 11:50:44 -06:00 • committed by Jonathan Cameron
commit 87aec56e27
5 changed files with 943 additions and 1 deletions