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

From: Anshul Dalal
Date: Tue Nov 21 2023 - 04:59:59 EST


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

Signed-off-by: Anshul Dalal <anshulusr@xxxxxxxxx>
---

Changes for v3:
- Fixed commit message
- Removed "asair,ags02ma" compatible

v2: https://lore.kernel.org/lkml/20231115125810.1394854-2-anshulusr@xxxxxxxxx/

Changes for v2:
- Removed device from trivial-devices
- Added standalone binding with vdd-supply property

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..38ba3614ae8a
--- /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
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ light-sensor@1a {
+ compatible = "aosong,ags02ma";
+ reg = <0x1a>;
+ vdd-supply = <&vdd_regulator>;
+ };
+ };
--
2.42.1