Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6

[linux-2.6-omap-h63xx.git] / Documentation / hwmon / sysfs-interface

diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index d1d390aaf6205c8ac30d9ddb7c34813fca306d15..a9a18ad0d17ab6c17be017615602827320ee93e5 100644 (file)
--- a/Documentation/hwmon/sysfs-interface
+++ b/Documentation/hwmon/sysfs-interface
@@ -152,6 +152,13 @@ fan[1-*]_div       Fan divisor.
                Note that this is actually an internal clock divisor, which
                affects the measurable speed range, not the read value.
 
+fan[1-*]_target
+               Desired fan speed
+               Unit: revolution/min (RPM)
+               RW
+               Only makes sense if the chip supports closed-loop fan speed
+               control based on the measured fan speed.
+
 Also see the Alarms section for status flags associated with fans.
 
 
@@ -166,16 +173,21 @@ pwm[1-*]  Pulse width modulation fan control.
 
 pwm[1-*]_enable
                Switch PWM on and off.
-               Not always present even if fan*_pwm is.
+               Not always present even if pwmN is.
                0: turn off
                1: turn on in manual mode
                2+: turn on in automatic mode
-               Check individual chip documentation files for automatic mode details.
+               Check individual chip documentation files for automatic mode
+               details.
+               RW
+
+pwm[1-*]_mode  0: DC mode (direct current)
+               1: PWM mode (pulse-width modulation)
                RW
 
-pwm[1-*]_mode
-               0: DC mode
-               1: PWM mode
+pwm[1-*]_freq  Base PWM frequency in Hz.
+               Only possibly available when pwmN_mode is PWM, but not always
+               present even then.
                RW
 
 pwm[1-*]_auto_channels_temp
@@ -208,12 +220,14 @@ temp[1-*]_auto_point[1-*]_temp_hyst
 ****************
 
 temp[1-*]_type Sensor type selection.
-               Integers 1 to 4 or thermistor Beta value (typically 3435)
+               Integers 1 to 6 or thermistor Beta value (typically 3435)
                RW
                1: PII/Celeron Diode
                2: 3904 transistor
                3: thermal diode
                4: thermistor (default/unknown Beta)
+               5: AMD AMDSI
+               6: Intel PECI
                Not all types are supported by all chips
 
 temp[1-*]_max  Temperature max value.