diff --git a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
index 879322ad50fdd2dcee6a30808e687f8994e3e2b7..69d53d98d0f0f131789c0b5c7318613ba530e0c1 100644
--- a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
+++ b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt
@@ -13,6 +13,7 @@ Required properties:
 Optional properties:
 - st,drdy-int-pin: the pin on the package that will be used to signal
   "data ready" (valid values: 1 or 2).
+- st,pullups : enable/disable internal i2c controller pullup resistors.
 - drive-open-drain: the interrupt/data ready line will be configured
   as open drain, which is useful if several sensors share the same
   interrupt line. This is a boolean property.