diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 6fb9180..f155eff 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1264,6 +1264,15 @@
 		components or just infrared light, respectively. Modifier uv indicates
 		that measurements contain ultraviolet light components.
 
+What:		/sys/.../iio:deviceX/in_uvindex_input
+KernelVersion:	4.6
+Contact:	linux-iio@vger.kernel.org
+Description:
+		UV light intensity index measuring the human skin's response to
+		different wavelength of sunlight weighted according to the
+		standardised CIE Erythemal Action Spectrum. UV index values range
+		from 0 (low) to >=11 (extreme).
+
 What:		/sys/.../iio:deviceX/in_intensity_red_integration_time
 What:		/sys/.../iio:deviceX/in_intensity_green_integration_time
 What:		/sys/.../iio:deviceX/in_intensity_blue_integration_time