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 Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Signed-off-by: Anshul Dalal <anshulusr@xxxxxxxxx> --- Changes for v5: - Made vdd-supply a required property Changes for v4: - Changed node name from 'light-sensor' to 'voc-sensor' Changes for v3: - Fixed commit message - Removed "asair,ags02ma" compatible Changes for v2: - Removed device from trivial-devices - Added standalone binding with vdd-supply property Previous versions: v4: https://lore.kernel.org/lkml/20231125100139.193584-2-anshulusr@xxxxxxxxx/ v3: https://lore.kernel.org/lkml/20231121095800.2180870-2-anshulusr@xxxxxxxxx/ v2: https://lore.kernel.org/lkml/20231115125810.1394854-2-anshulusr@xxxxxxxxx/ v1: https://lore.kernel.org/lkml/20231107173100.62715-2-anshulusr@xxxxxxxxx/ --- .../bindings/iio/chemical/aosong,ags02ma.yaml | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/chemical/aosong,ags02ma.yaml diff --git a/Documentation/devicetree/bindings/iio/chemical/aosong,ags02ma.yaml b/Documentation/devicetree/bindings/iio/chemical/aosong,ags02ma.yaml new file mode 100644 index 000000000000..35e7b094e878 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/chemical/aosong,ags02ma.yaml @@ -0,0 +1,47 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/chemical/aosong,ags02ma.yaml# +$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. + + 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 + - vdd-supply + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + voc-sensor@1a { + compatible = "aosong,ags02ma"; + reg = <0x1a>; + vdd-supply = <&vdd_regulator>; + }; + }; -- 2.43.0
