Re: [PATCH v2 2/2] iio: chemical: sgp30: Support Sensirion SGPxx sensors

From: Rob Herring
Date: Sun Mar 18 2018 - 08:51:54 EST


On Sat, Mar 10, 2018 at 11:07:30PM +0100, Andreas Brauchli wrote:
> Support Sensirion SGP30 and SGPC3 multi-pixel I2C gas sensors
>
> Supported Features:
>
> * Indoor Air Quality (IAQ) concentrations for
> - tVOC (in_concentration_voc_input)
> - CO2eq (in_concentration_co2_input) - SGP30 only
> IAQ concentrations are periodically read out by a background thread
> to allow the sensor to maintain its internal baseline.
> * Baseline support for IAQ (in_iaq_baseline, set_iaq_baseline)
> * Gas concentration signals
> - Ethanol (in_concentration_ethanol_raw)
> - H2 (in_concentration_h2_raw) - SGP30 only
> * On-chip self test (in_selftest)
> * Sensor interface version (in_feature_set_version)
> * Sensor serial number (in_serial_id)
> * Humidity compensation
> With the help of an external humidity signal, the gas signals can be
> humidity-compensated. The sensor performs the compensation on-chip.
> * Power mode switching between low power mode (1/2Hz) and
> ultra low power mode (1/30Hz) sampling - SGPC3 only
> * Checksummed I2C communication
>
> For all features, refer to the data sheet or the documentation in
> Documentation/iio/chemical/sgp30.txt for more details.
>
> The ABI is documented in
> Documentation/ABI/testing/sysfs-bus-iio-chemical-sgp30
>
> Signed-off-by: Andreas Brauchli <andreas.brauchli@xxxxxxxxxxxxx>
> ---
> .../ABI/testing/sysfs-bus-iio-chemical-sgp30 | 62 ++
> .../bindings/iio/chemical/sensirion,sgp30.txt | 15 +

Please split bindings to separate patch.

> Documentation/iio/chemical/sgp30.txt | 97 ++
> drivers/iio/chemical/Kconfig | 13 +
> drivers/iio/chemical/Makefile | 1 +
> drivers/iio/chemical/sgp30.c | 1120 ++++++++++++++++++++
> 6 files changed, 1308 insertions(+)
> create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-chemical-sgp30
> create mode 100644 Documentation/devicetree/bindings/iio/chemical/sensirion,sgp30.txt
> create mode 100644 Documentation/iio/chemical/sgp30.txt
> create mode 100644 drivers/iio/chemical/sgp30.c