hwmon: sysfs ABI updates

Add attributes supported by various PMBus devices to hwmon sysfs ABI.

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

1 files changed, 33 insertions, 7 deletions

diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index 645699010551..5997b5efc1cb 100644
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -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