diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt
index 54b823f3a45301d63ff594783f07b015e7f6c5d2..325090e43ce6b226972ea1b0efbd1df5157133cf 100644
--- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt
@@ -22,6 +22,12 @@ Required properties:
 - vref-supply:	the regulator supply for the ADC reference voltage
 - #io-channel-cells: must be 1, see ../iio-bindings.txt
 
+Optional properties:
+- nvmem-cells:		phandle to the temperature_calib eFuse cells
+- nvmem-cell-names:	if present (to enable the temperature sensor
+			calibration) this must contain "temperature_calib"
+
+
 Example:
 	saradc: adc@8680 {
 		compatible = "amlogic,meson-gxl-saradc", "amlogic,meson-saradc";