Add the TI afe4403 heart monitor device tree
binding documentation. heart_monitors directory
created under iio.
Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
---
.../bindings/iio/heart_monitors/ti_afe4403.txt | 23 ++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/heart_monitors/ti_afe4403.txt
diff --git a/Documentation/devicetree/bindings/iio/heart_monitors/ti_afe4403.txt b/Documentation/devicetree/bindings/iio/heart_monitors/ti_afe4403.txt
new file mode 100644
index 0000000..d612dd6
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/heart_monitors/ti_afe4403.txt
@@ -0,0 +1,23 @@
+* Texas Instruments - AFE4403 Heart rate and Pulse Oximeter
+
+The device consists of a low-noise receiver channel
+with an integrated analog-to-digital converter (ADC),
+an LED transmit section, and diagnostics for sensor and LED fault detection.
+
+Required properties:
+ - compatible: Must contain "ti,afe4403".
+ - ste-gpio: GPIO for the spi control line
+ - data-ready-gpio: GPIO interrupt when the afe4403 has data
+ - led-supply: Chip supply to the device
+ -
+Optional properties:
+ - reset-gpio: GPIO used to reset the device via HW
+
+Example:
+
+&heart_rate {
+ compatible = "ti,afe4403";
+ ste-gpio = <&gpio1 29 GPIO_ACTIVE_HIGH>;
+ data-ready-gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+ led-supply = <&vbat>;
+};
--
1.7.9.5
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