1 files changed, 94 insertions, 0 deletions
diff --git a/Documentation/hwmon/adt7410.rst b/Documentation/hwmon/adt7410.rst
new file mode 100644
index 000000000000..24caaa83c8ec
--- /dev/null
+++ b/Documentation/hwmon/adt7410.rst
@@ -0,0 +1,94 @@
+Kernel driver adt7410
+=====================
+
+Supported chips:
+
+  * Analog Devices ADT7410
+
+    Prefix: 'adt7410'
+
+    Addresses scanned: None
+
+    Datasheet: Publicly available at the Analog Devices website
+
+	       http://www.analog.com/static/imported-files/data_sheets/ADT7410.pdf
+  * Analog Devices ADT7420
+
+    Prefix: 'adt7420'
+
+    Addresses scanned: None
+
+    Datasheet: Publicly available at the Analog Devices website
+
+	       http://www.analog.com/static/imported-files/data_sheets/ADT7420.pdf
+
+  * Analog Devices ADT7310
+
+    Prefix: 'adt7310'
+
+    Addresses scanned: None
+
+    Datasheet: Publicly available at the Analog Devices website
+
+	       http://www.analog.com/static/imported-files/data_sheets/ADT7310.pdf
+
+  * Analog Devices ADT7320
+
+    Prefix: 'adt7320'
+
+    Addresses scanned: None
+
+    Datasheet: Publicly available at the Analog Devices website
+
+	       http://www.analog.com/static/imported-files/data_sheets/ADT7320.pdf
+
+Author: Hartmut Knaack <knaack.h@gmx.de>
+
+Description
+-----------
+
+The ADT7310/ADT7410 is a temperature sensor with rated temperature range of
+-55°C to +150°C. It has a high accuracy of +/-0.5°C and can be operated at a
+resolution of 13 bits (0.0625°C) or 16 bits (0.0078°C). The sensor provides an
+INT pin to indicate that a minimum or maximum temperature set point has been
+exceeded, as well as a critical temperature (CT) pin to indicate that the
+critical temperature set point has been exceeded. Both pins can be set up with a
+common hysteresis of 0°C - 15°C and a fault queue, ranging from 1 to 4 events.
+Both pins can individually set to be active-low or active-high, while the whole
+device can either run in comparator mode or interrupt mode. The ADT7410 supports
+continuous temperature sampling, as well as sampling one temperature value per
+second or even just get one sample on demand for power saving. Besides, it can
+completely power down its ADC, if power management is required.
+
+The ADT7320/ADT7420 is register compatible, the only differences being the
+package, a slightly narrower operating temperature range (-40°C to +150°C), and
+a better accuracy (0.25°C instead of 0.50°C.)
+
+The difference between the ADT7310/ADT7320 and ADT7410/ADT7420 is the control
+interface, the ADT7310 and ADT7320 use SPI while the ADT7410 and ADT7420 use
+I2C.
+
+Configuration Notes
+-------------------
+
+Since the device uses one hysteresis value, which is an offset to minimum,
+maximum and critical temperature, it can only be set for temp#_max_hyst.
+However, temp#_min_hyst and temp#_crit_hyst show their corresponding
+hysteresis.
+The device is set to 16 bit resolution and comparator mode.
+
+sysfs-Interface
+---------------
+
+======================== ====================================================
+temp#_input		 temperature input
+temp#_min		 temperature minimum setpoint
+temp#_max		 temperature maximum setpoint
+temp#_crit		 critical temperature setpoint
+temp#_min_hyst		 hysteresis for temperature minimum (read-only)
+temp#_max_hyst		 hysteresis for temperature maximum (read/write)
+temp#_crit_hyst		 hysteresis for critical temperature (read-only)
+temp#_min_alarm		 temperature minimum alarm flag
+temp#_max_alarm		 temperature maximum alarm flag
+temp#_crit_alarm	 critical temperature alarm flag
+======================== ====================================================