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-rw-r--r--Documentation/devicetree/bindings/iio/health/max30100.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/health/max30100.txt b/Documentation/devicetree/bindings/iio/health/max30100.txt
index f6fbac66ad06..295a9edfa4fd 100644
--- a/Documentation/devicetree/bindings/iio/health/max30100.txt
+++ b/Documentation/devicetree/bindings/iio/health/max30100.txt
@@ -11,11 +11,19 @@ Required properties:
Refer to interrupt-controller/interrupts.txt for generic
interrupt client node bindings.
+Optional properties:
+ - maxim,led-current-microamp: configuration for LED current in microamperes
+ while the engine is running. First indexed value is the configuration for
+ the RED LED, and second value is for the IR LED.
+
+ Refer to the datasheet for the allowed current values.
+
Example:
max30100@057 {
compatible = "maxim,max30100";
reg = <57>;
+ maxim,led-current-microamp = <24000 50000>;
interrupt-parent = <&gpio1>;
interrupts = <16 2>;
};