iio: adc: add ti-ads112c14 driver

Add a new driver for the TI ADS112C14/ADS122C14 ADC chips.

This first step is adding a very basic driver that only supports power
on/reset and reading the system monitor channels.

ADS112C14_SYS_MON_CHANNEL_SHORT is the last channel rather than being in
logical order by address to keep the voltage channels together and in
case we find we need to add variants of this channel with different
voltage reference later.

Signed-off-by: David Lechner (TI) <dlechner@baylibre.com>
Signed-off-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
This commit is contained in:
David Lechner (TI) 2026-07-14 18:21:28 -05:00 • committed by Jonathan Cameron
commit b7fa84f60f
4 changed files with 596 additions and 0 deletions