path: root/Documentation/hwmon/adm1275
diff options
authorGuenter Roeck <>2011-07-14 11:55:35 -0700
committerGuenter Roeck <>2011-10-24 11:09:35 -0700
commit5cf231a346fb80d7945aa46e90186a068a3a001b (patch)
tree642f84017b93f745b72360b7b2d619ec2403224f /Documentation/hwmon/adm1275
parentc5e6763667ffc94eaad4634841cb1b7ecd951fb7 (diff)
hwmon: (pmbus/adm1275) Add support for ADM1276
ADM1276 is mostly compatible to ADM1275, with added support for input power measurement. Add support for it to the ADM1275 driver. Signed-off-by: Guenter Roeck <> Acked-by: Jean Delvare <>
Diffstat (limited to 'Documentation/hwmon/adm1275')
1 files changed, 18 insertions, 14 deletions
diff --git a/Documentation/hwmon/adm1275 b/Documentation/hwmon/adm1275
index c438c98bdbc8..ab70d96d2dfd 100644
--- a/Documentation/hwmon/adm1275
+++ b/Documentation/hwmon/adm1275
@@ -6,6 +6,10 @@ Supported chips:
Prefix: 'adm1275'
Addresses scanned: -
+ * Analog Devices ADM1276
+ Prefix: 'adm1276'
+ Addresses scanned: -
+ Datasheet:
Author: Guenter Roeck <>
@@ -13,13 +17,13 @@ Author: Guenter Roeck <>
-This driver supports hardware montoring for Analog Devices ADM1275 Hot-Swap
-Controller and Digital Power Monitor.
+This driver supports hardware montoring for Analog Devices ADM1275 and ADM1276
+Hot-Swap Controller and Digital Power Monitor.
-The ADM1275 is a hot-swap controller that allows a circuit board to be removed
-from or inserted into a live backplane. It also features current and voltage
-readback via an integrated 12-bit analog-to-digital converter (ADC), accessed
-using a PMBus. interface.
+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.
@@ -48,18 +52,18 @@ attributes are write-only, all other attributes are read-only.
in1_label "vin1" or "vout1" depending on chip variant and
-in1_input Measured voltage. From READ_VOUT register.
-in1_min Minumum Voltage. From VOUT_UV_WARN_LIMIT register.
-in1_max Maximum voltage. From VOUT_OV_WARN_LIMIT register.
-in1_min_alarm Voltage low alarm. From VOLTAGE_UV_WARNING status.
-in1_max_alarm Voltage high alarm. From VOLTAGE_OV_WARNING status.
+in1_input Measured voltage.
+in1_min Minumum Voltage.
+in1_max Maximum voltage.
+in1_min_alarm Voltage low alarm.
+in1_max_alarm Voltage high alarm.
in1_highest Historical maximum voltage.
in1_reset_history Write any value to reset history.
curr1_label "iout1"
-curr1_input Measured current. From READ_IOUT register.
-curr1_max Maximum current. From IOUT_OC_WARN_LIMIT register.
-curr1_max_alarm Current high alarm. From IOUT_OC_WARN_LIMIT register.
+curr1_input Measured current.
+curr1_max Maximum current.
+curr1_max_alarm Current high alarm.
curr1_lcrit Critical minimum current. Depending on the chip
configuration, either curr1_lcrit or curr1_crit is
supported, but not both.