iio: chemical: Add support for sgp40 gas sensor

This patch set adds support for sensirion sgp40 gas sensor.

Andreas Klinger (2):
dt-bindings: iio: chemical: Add trivial DT binding for sgp40
iio: chemical: Add driver support for sgp40

 .../devicetree/bindings/trivial-devices.yaml  |   2 +
 MAINTAINERS                                   |   5 +
 drivers/iio/chemical/Kconfig                  |  11 +
 drivers/iio/chemical/Makefile                 |   1 +
 drivers/iio/chemical/sgp40.c                  | 413 ++++++++++++++++++
 5 files changed, 432 insertions(+)
 create mode 100644 drivers/iio/chemical/sgp40.c

2.20.1