[PATCH 4/4] iio: chemical: add dsm501 particle sensor driver bindings

[Tomasz Duszynski]

This patch adds bindings for dsm501 particle sensor driver.

Signed-off-by: Tomasz Duszynski <tduszyns@xxxxxxxxx>
---
 .../devicetree/bindings/iio/chemical/dsm501.txt          | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/chemical/dsm501.txt

diff --git a/Documentation/devicetree/bindings/iio/chemical/dsm501.txt b/Documentation/devicetree/bindings/iio/chemical/dsm501.txt
new file mode 100644
index 000000000000..918c55c4c401
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/chemical/dsm501.txt
@@ -0,0 +1,16 @@
+* DSM501 particle sensor
+
+Required properties:
+
+- compatible: should be one of:
+	      "samyoung,dsm501"
+	      "shinyei,ppd42ns"
+- gpios: should specify the GPIO connected to the sensor's data line, see
+  	 "gpios property" in Documentation/devicetree/bindings/gpio/gpio.txt
+
+Example:
+
+dsm501 {
+	compatible = "samyoung,dsm501";
+	gpios = <&gpio1 28 0>;
+};
-- 
2.11.1