linux-kernel - [PATCH v5 2/3] dt-bindings: iio: chemical: add aosong,ags02ma

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Message-ID: <20231215162312.143568-2-anshulusr@gmail.com>
Date: Fri, 15 Dec 2023 21:53:10 +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>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v5 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
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Anshul Dalal <anshulusr@...il.com>
---

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@gmail.com/
v3: https://lore.kernel.org/lkml/20231121095800.2180870-2-anshulusr@gmail.com/
v2: https://lore.kernel.org/lkml/20231115125810.1394854-2-anshulusr@gmail.com/
v1: https://lore.kernel.org/lkml/20231107173100.62715-2-anshulusr@gmail.com/
---
 .../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@...il.com>
+
+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