hwmon: sysfs ABI updates
Guenter Roeck [Mon, 28 Jun 2010 20:22:27 +0000 (13:22 -0700)]
Add attributes supported by various PMBus devices to hwmon sysfs ABI.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>

Documentation/hwmon/sysfs-interface

index 6456990..5997b5e 100644 (file)
@@ -384,10 +384,20 @@ curr[1-*]_min     Current min value.
                Unit: milliampere
                RW
 
+curr[1-*]_lcrit        Current critical low value
+               Unit: milliampere
+               RW
+
+curr[1-*]_crit Current critical high value.
+               Unit: milliampere
+               RW
+
 curr[1-*]_input        Current input value
                Unit: milliampere
                RO
 
+Also see the Alarms section for status flags associated with currents.
+
 *********
 * Power *
 *********
@@ -450,13 +460,6 @@ power[1-*]_accuracy                Accuracy of the power meter.
                                Unit: Percent
                                RO
 
-power[1-*]_alarm               1 if the system is drawing more power than the
-                               cap allows; 0 otherwise.  A poll notification is
-                               sent to this file when the power use exceeds the
-                               cap.  This file only appears if the cap is known
-                               to be enforced by hardware.
-                               RO
-
 power[1-*]_cap                 If power use rises above this limit, the
                                system should take action to reduce power use.
                                A poll notification is sent to this file if the
@@ -479,6 +482,20 @@ power[1-*]_cap_min         Minimum cap that can be set.
                                Unit: microWatt
                                RO
 
+power[1-*]_max                 Maximum power.
+                               Unit: microWatt
+                               RW
+
+power[1-*]_crit                        Critical maximum power.
+                               If power rises to or above this limit, the
+                               system is expected take drastic action to reduce
+                               power consumption, such as a system shutdown or
+                               a forced powerdown of some devices.
+                               Unit: microWatt
+                               RW
+
+Also see the Alarms section for status flags associated with power readings.
+
 **********
 * Energy *
 **********
@@ -501,6 +518,7 @@ implementation.
 
 in[0-*]_alarm
 curr[1-*]_alarm
+power[1-*]_alarm
 fan[1-*]_alarm
 temp[1-*]_alarm
                Channel alarm
@@ -512,12 +530,20 @@ OR
 
 in[0-*]_min_alarm
 in[0-*]_max_alarm
+in[0-*]_lcrit_alarm
+in[0-*]_crit_alarm
 curr[1-*]_min_alarm
 curr[1-*]_max_alarm
+curr[1-*]_lcrit_alarm
+curr[1-*]_crit_alarm
+power[1-*]_cap_alarm
+power[1-*]_max_alarm
+power[1-*]_crit_alarm
 fan[1-*]_min_alarm
 fan[1-*]_max_alarm
 temp[1-*]_min_alarm
 temp[1-*]_max_alarm
+temp[1-*]_lcrit_alarm
 temp[1-*]_crit_alarm
 temp[1-*]_emergency_alarm
                Limit alarm