[PATCH v2 2/2] Documentation: dt: iio: humidity: add hts221 sensor device binding

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Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@xxxxxx>
---
 .../devicetree/bindings/iio/humidity/hts221.txt       | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/humidity/hts221.txt

diff --git a/Documentation/devicetree/bindings/iio/humidity/hts221.txt b/Documentation/devicetree/bindings/iio/humidity/hts221.txt
new file mode 100644
index 0000000..46a152c
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/humidity/hts221.txt
@@ -0,0 +1,19 @@
+* HTS221 STM humidity + temperature sensor
+
+Required properties:
+- compatible: should be "st,hts221"
+- reg: i2c address of the sensor / spi cs line
+
+Optional properties:
+- interrupts: interrupt mapping for GPIO IRQ. It should be configured with
+	      flags IRQ_TYPE_LEVEL_HIGH or IRQ_TYPE_EDGE_RISING
+- interrupt-parent: should be the phandle for the interrupt controller
+
+Example:
+
+hts221@5f {
+	compatible = "st,hts221";
+	reg = <0x5f>;
+	interrupt-parent = <&gpio0>;
+	interrupts = <0 IRQ_TYPE_EDGE_RISING>;
+};
-- 
2.7.4

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