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| author | Guenter Roeck <linux@roeck-us.net> | 2012-02-24 15:40:53 +0400 |
|---|---|---|
| committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2012-03-19 05:27:52 +0400 |
| commit | 927112696654f4c96a85aa8a494866cbc6ccfbe6 (patch) | |
| tree | 0c27c60740018af7640627663b3f0f19339ae3b2 /Documentation/hwmon/adm1275 | |
| parent | 590defe59ef9596dcd892d2d8395d730c510323d (diff) | |
| download | linux-927112696654f4c96a85aa8a494866cbc6ccfbe6.tar.xz | |
hwmon: (adm1275) Add support for ADM1075
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon/adm1275')
| -rw-r--r-- | Documentation/hwmon/adm1275 | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/Documentation/hwmon/adm1275 b/Documentation/hwmon/adm1275 index ab70d96d2dfd..535ad23ea704 100644 --- a/Documentation/hwmon/adm1275 +++ b/Documentation/hwmon/adm1275 @@ -2,6 +2,10 @@ Kernel driver adm1275 ===================== Supported chips: + * Analog Devices ADM1075 + Prefix: 'adm1075' + Addresses scanned: - + Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1075.pdf * Analog Devices ADM1275 Prefix: 'adm1275' Addresses scanned: - @@ -17,13 +21,13 @@ Author: Guenter Roeck <guenter.roeck@ericsson.com> Description ----------- -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 details. +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 --------------------- @@ -51,7 +59,8 @@ 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. + configuration. On ADM1075, vout1 reports the voltage on + the VAUX pin. in1_input Measured voltage. in1_min Minumum Voltage. in1_max Maximum voltage. @@ -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_label "pin1" +power1_input Input power. +power1_reset_history Write any value to reset history. + + Power attributes are supported on ADM1075 and ADM1276 + only. |