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| -rw-r--r-- | Documentation/devicetree/bindings/iio/health/max30102.txt | 33 |
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diff --git a/Documentation/devicetree/bindings/iio/health/max30102.txt b/Documentation/devicetree/bindings/iio/health/max30102.txt new file mode 100644 index 000000000..7ef7ae40a --- /dev/null +++ b/Documentation/devicetree/bindings/iio/health/max30102.txt @@ -0,0 +1,33 @@ +Maxim MAX30102 heart rate and pulse oximeter sensor +Maxim MAX30105 optical particle-sensing module + +* https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf +* https://datasheets.maximintegrated.com/en/ds/MAX30105.pdf + +Required properties: + - compatible: must be "maxim,max30102" or "maxim,max30105" + - reg: the I2C address of the sensor + - interrupts: the sole interrupt generated by the device + + Refer to interrupt-controller/interrupts.txt for generic + interrupt client node bindings. + +Optional properties: + - maxim,red-led-current-microamp: configuration for red LED current + - maxim,ir-led-current-microamp: configuration for IR LED current + - maxim,green-led-current-microamp: configuration for green LED current + (max30105 only) + + Note that each step is approximately 200 microamps, ranging from 0 uA to + 50800 uA. + +Example: + +max30102@57 { + compatible = "maxim,max30102"; + reg = <0x57>; + maxim,red-led-current-microamp = <7000>; + maxim,ir-led-current-microamp = <7000>; + interrupt-parent = <&gpio1>; + interrupts = <16 2>; +}; |