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Message-ID: <20231125100139.193584-2-anshulusr@gmail.com>
Date:   Sat, 25 Nov 2023 15:31:37 +0530
From:   Anshul Dalal <anshulusr@...il.com>
To:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Anshul Dalal <anshulusr@...il.com>,
        Conor Dooley <conor+dt@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        Jonathan Cameron <jic23@...nel.org>
Subject: [PATCH v4 2/3] dt-bindings: iio: chemical: add aosong,ags02ma

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@...il.com>
---

Changes for v4:
- Changed node name from 'light-sensor' to 'voc-sensor'

v3: https://lore.kernel.org/lkml/20231121095800.2180870-2-anshulusr@gmail.com/

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

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

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@gmail.com/
---
 .../bindings/iio/chemical/aosong,ags02ma.yaml | 46 +++++++++++++++++++
 1 file changed, 46 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..c176a6e102ac
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/chemical/aosong,ags02ma.yaml
@@ -0,0 +1,46 @@
+# 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@...il.com>
+
+properties:
+  compatible:
+    enum:
+      - aosong,ags02ma
+
+  reg:
+    maxItems: 1
+
+  vdd-supply: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        voc-sensor@1a {
+            compatible = "aosong,ags02ma";
+            reg = <0x1a>;
+            vdd-supply = <&vdd_regulator>;
+        };
+    };
-- 
2.42.1

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