Re: [PATCH v3 2/3] dt-bindings: iio: chemical: add aosong,ags02ma

From: Krzysztof Kozlowski
Date: Tue Nov 21 2023 - 05:03:54 EST


On 21/11/2023 10:57, Anshul Dalal wrote:
> Add bindings for Aosong AGS02MA TVOC sensor.
>
> The sensor communicates over i2c with the default address 0x1a.
> TVOC values can be read in the units of ppb and ug/m^3 at register 0x00.
>
> Datasheet:
> https://asairsensors.com/wp-content/uploads/2021/09/AGS02MA.pdf
> Product-Page:
> http://www.aosong.com/m/en/products-33.html
>


> +---
> +$id: http://devicetree.org/schemas/iio/chemical/aosong,ags02ma.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Aosong AGS02MA VOC Sensor
> +
> +description: |
> + AGS02MA is an TVOC (Total Volatile Organic Compounds) i2c sensor with default
> + address of 0x1a.

What does it measure? Light?

> +
> + Datasheet:
> + https://asairsensors.com/wp-content/uploads/2021/09/AGS02MA.pdf
> +
> +maintainers:
> + - Anshul Dalal <anshulusr@xxxxxxxxx>
> +
> +properties:
> + compatible:
> + enum:
> + - aosong,ags02ma
> +
> + reg:
> + maxItems: 1
> +
> + vdd-supply: true
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/irq.h>
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + light-sensor@1a {


You called it chemical, so why this is here light-sensor?

> + compatible = "aosong,ags02ma";
> + reg = <0x1a>;
> + vdd-supply = <&vdd_regulator>;
> + };
> + };

Best regards,
Krzysztof