dt-bindings: iio: chemical: Add trivial DT binding for sgp40

Add devicetree binding for Sensirion sgp40 gas sensor to trivial
devices.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Link: https://lore.kernel.org/r/20210804154549.GA3223@arbad
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 919a4bf03a5a6189738e80b0d9785ff61cba7241..be313b6b4f8192197125dd6f024defcefe8ee77d 100644 (file)
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -269,6 +269,8 @@ properties:
           - sensirion,sgpc3
             # Sensirion multi-pixel gas sensor with I2C interface
           - sensirion,sgp30
+            # Sensirion gas sensor with I2C interface
+          - sensirion,sgp40
             # Sensortek 3 axis accelerometer
           - sensortek,stk8312
             # Sensortek 3 axis accelerometer