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Add Sensirion STS30 temperature sensor driver

From:  Maxwell Doose <m32285159-AT-gmail.com>
To:  Jonathan Cameron <jic23-AT-kernel.org>, David Lechner <dlechner-AT-baylibre.com>, Nuno Sá <nuno.sa-AT-analog.com>, Andy Shevchenko <andy-AT-kernel.org>, Rob Herring <robh-AT-kernel.org>, Krzysztof Kozlowski <krzk+dt-AT-kernel.org>, Conor Dooley <conor+dt-AT-kernel.org>, linux-iio-AT-vger.kernel.org (open list:IIO SUBSYSTEM AND DRIVERS), devicetree-AT-vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel-AT-vger.kernel.org (open list)
Subject:  [RFC PATCH 0/3] Add Sensirion STS30 temperature sensor driver
Date:  Fri, 19 Jun 2026 23:40:04 -0500
Message-ID:  <20260620044010.1082621-1-m32285159@gmail.com>
Archive-link:  Article

Hi all,

This patch adds support for the Sensirion STS30 family of temperature
sensor drivers. It currently supports single-shot non-clock stretched
readings as well as the entirety of the STS30 family.

I'm sending this as an RFC patch as I unfortunately do not have the
hardware right now. I have compile-tested it successfully and have done
a tad bit of testing on QEMU, with it properly registering with no
errors reported in dmesg. Unfortunately due to the way I had compiled
the kernel used to test the driver it did not expose the I2C bus to
userspace properly and I was not able to retrieve values from the
driver, but I can continue more testing over the next few days and am
happy to answer any questions anyone may have. Additionally, regarding
dmesg logs, I neglected to save them while in my testing, but as stated
previously, I can continue more testing over the next couple of days.

Maxwell Doose (3):
  dt-bindings: iio: temperature: Add STS30 devicetree bindings
  iio: temperature: Add STS30 temperature sensor driver
  MAINTAINERS: Add entry for Sensirion STS30 driver

 .../iio/temperature/sensirion,sts30.yaml      |  49 +++
 MAINTAINERS                                   |   6 +
 drivers/iio/temperature/Kconfig               |  11 +
 drivers/iio/temperature/Makefile              |   1 +
 drivers/iio/temperature/sts30.c               | 321 ++++++++++++++++++
 5 files changed, 388 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/temperature/sensirion,sts30.yaml
 create mode 100644 drivers/iio/temperature/sts30.c

-- 
2.54.0




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