Diffstat (limited to 'Documentation/hwmon/adm1275')
1 files changed, 24 insertions, 8 deletions
diff --git a/Documentation/hwmon/adm1275 b/Documentation/hwmon/adm1275
index ab70d96d2df..2cfa2566712 100644
@@ -2,6 +2,10 @@ Kernel driver adm1275
+ * Analog Devices ADM1075
+ Prefix: 'adm1075'
+ Addresses scanned: -
+ Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1075.pdf
* Analog Devices ADM1275
Addresses scanned: -
@@ -17,13 +21,13 @@ Author: Guenter Roeck <email@example.com>
-This driver supports hardware montoring for Analog Devices ADM1275 and ADM1276
-Hot-Swap Controller and Digital Power Monitor.
+This driver supports hardware montoring for Analog Devices ADM1075, ADM1275,
+and ADM1276 Hot-Swap Controller and Digital Power Monitor.
-ADM1275 and ADM1276 are hot-swap controllers that allow a circuit board to be
-removed from or inserted into a live backplane. They also feature current and
-voltage readback via an integrated 12-bit analog-to-digital converter (ADC),
-accessed using a PMBus interface.
+ADM1075, ADM1275, and ADM1276 are hot-swap controllers that allow a circuit
+board to be removed from or inserted into a live backplane. They also feature
+current and voltage readback via an integrated 12-bit analog-to-digital
+converter (ADC), accessed using a PMBus interface.
The driver is a client driver to the core PMBus driver. Please see
Documentation/hwmon/pmbus for details on PMBus client drivers.
@@ -36,6 +40,10 @@ This driver does not auto-detect devices. You will have to instantiate the
devices explicitly. Please see Documentation/i2c/instantiating-devices for
+The ADM1075, unlike many other PMBus devices, does not support internal voltage
+or current scaling. Reported voltages, currents, and power are raw measurements,
+and will typically have to be scaled.
Platform data support
@@ -51,9 +59,10 @@ The following attributes are supported. Limits are read-write, history reset
attributes are write-only, all other attributes are read-only.
in1_label "vin1" or "vout1" depending on chip variant and
+ configuration. On ADM1075, vout1 reports the voltage on
+ the VAUX pin.
in1_input Measured voltage.
-in1_min Minumum Voltage.
+in1_min Minimum Voltage.
in1_max Maximum voltage.
in1_min_alarm Voltage low alarm.
in1_max_alarm Voltage high alarm.
@@ -74,3 +83,10 @@ curr1_crit Critical maximum current. Depending on the chip
curr1_crit_alarm Critical current high alarm.
curr1_highest Historical maximum current.
curr1_reset_history Write any value to reset history.
+power1_input Input power.
+power1_reset_history Write any value to reset history.
+ Power attributes are supported on ADM1075 and ADM1276