[PATCH 1/2] Documentation: afe4404: Add DT bindings for the AFE4404 heart monitor

["Andrew F. Davis" <afd@ti.com>]

Add the TI afe4404 heart monitor DT bindings documentation.
Create health directory created under iio.

Signed-off-by: Andrew F. Davis <afd@ti.com>
---
 .../devicetree/bindings/iio/health/afe4404.txt     | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/health/afe4404.txt

diff --git a/Documentation/devicetree/bindings/iio/health/afe4404.txt b/Documentation/devicetree/bindings/iio/health/afe4404.txt
new file mode 100644
index 0000000..d377033
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/health/afe4404.txt
@@ -0,0 +1,27 @@
+* Texas Instruments AFE4404 Heart rate and Pulse Oximeter
+
+Required properties:
+ - compatible		: Should be "ti,afe4404".
+ - reg			: I2C address of the device.
+ - led-supply		: Regulator supply to the device.
+ - interrupt-parent	: Phandle to he parent interrupt controller.
+ - interrupts		: The interrupt line the device ADC_RDY pin is connected to.
+
+Optional properties:
+ - reset-gpios		: GPIO used to reset the device.
+
+Example:
+
+&i2c2 {
+	heart_mon@58 {
+		compatible = "ti,afe4404";
+		reg = <0x58>;
+
+		led-supply = <&vbat>;
+
+		interrupt-parent = <&gpio1>;
+		interrupts = <28 IRQ_TYPE_EDGE_RISING>;
+
+		reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
+	};
+};
-- 
1.9.1