Re: [PATCH v2 1/2] dt-bindings: iio: temperature: Add STS30 devicetree bindings

[Jonathan Cameron]

On Sat, 20 Jun 2026 19:46:23 -0500
Maxwell Doose <m32285159@xxxxxxxxx> wrote:

> Add the devicetree bindings for the STS30 family of temperature sensors.
> The STS30 family of sensors includes the STS30, STS31, and STS35.
> 
> All devices in the STS30 family share the same commands, timings, etc.
> The only difference between them is their measurement accuracy and
> tolerance.
Given we don't report accuracy (and reporting less accurate than they
actually are should always be safe if we do add such reporting in future),
I think a fallback compatible to the least accurate is appropriate for
the other two.

> 
> Additionally add MAINTAINERS entry for the driver.
> 
> Signed-off-by: Maxwell Doose <m32285159@xxxxxxxxx>
> ---
> Changes since v1:
> - Squashed parts of the MAINTAINERS commit into this commit.
> - Added ALERT pin as an interrupt and in the examples.
> 
>  .../iio/temperature/sensirion,sts30.yaml      | 55 +++++++++++++++++++
>  MAINTAINERS                                   |  5 ++
>  2 files changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/temperature/sensirion,sts30.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/temperature/sensirion,sts30.yaml b/Documentation/devicetree/bindings/iio/temperature/sensirion,sts30.yaml
> new file mode 100644
> index 000000000000..9bb0f04795d4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/temperature/sensirion,sts30.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/temperature/sensirion,sts30.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: STS30, STS31, and STS35 temperature iio sensors
> +
> +maintainers:
> +  - Maxwell Doose <m32285159@xxxxxxxxx>
> +
> +description: |
> +  Family of digital temperature sensors from Sensirion with I2C interface.
> +  All devices are compatible with each other, their only differences are
> +  their levels of accuracy.
> +
> +  Datasheet available at:
> +  https://sensirion.com/media/documents/1DA31AFD/65D613A8/Datasheet_STS3x_DIS.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - sensirion,sts30
> +      - sensirion,sts31
> +      - sensirion,sts35
> +
> +  reg:
> +    maxItems: 1
> +
> +  vdd-supply: true
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        temperature@4a {
> +            compatible = "sensirion,sts30";
> +            reg = <0x4a>;
> +            vdd-supply = <&reg_3v3>;
> +            interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
> +        };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index d95d3ef77773..7f94b8cac3e2 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -24487,6 +24487,11 @@ F:	drivers/iio/chemical/sps30.c
>  F:	drivers/iio/chemical/sps30_i2c.c
>  F:	drivers/iio/chemical/sps30_serial.c
>  
> +SENSIRION STS30 TEMPERATURE SENSOR DRIVER
> +M:	Maxwell Doose <m32285159@xxxxxxxxx>
> +S:	Maintained
> +F:	Documentation/devicetree/bindings/iio/temperature/sensirion,sts30.yaml
> +
>  SERIAL DEVICE BUS
>  M:	Rob Herring <robh@xxxxxxxxxx>
>  L:	linux-serial@xxxxxxxxxxxxxxx