hwmon: Add LM93 support

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

diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
index efef3b962cd3eb86f586e811b77ad7b6eadee648..b3a9e1b9dbda9458b5d4215f50b3b217284c3b82 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.
 
                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.
 
 
 Also see the Alarms section for status flags associated with fans.
 
 


@@ -165,17 +172,21 @@ pwm[1-*]  Pulse width modulation fan control.
                255 is max or 100%.
 
 pwm[1-*]_enable
                255 is max or 100%.
 
 pwm[1-*]_enable

-               Switch PWM on and off.
-               Not always present even if fan*_pwm 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.
+               Fan speed control method:
+               0: no fan speed control (i.e. fan at full speed)
+               1: manual fan speed control enabled (using pwm[1-*])
+               2+: automatic fan speed control enabled
+               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
 
                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
                RW
 
 pwm[1-*]_auto_channels_temp


@@ -331,9 +342,9 @@ to notify open diodes, unconnected fans etc. where the hardware
 supports it. When this boolean has value 1, the measurement for that
 channel should not be trusted.
 
 supports it. When this boolean has value 1, the measurement for that
 channel should not be trusted.
 

-in[0-*]_input_fault
-fan[1-*]_input_fault
-temp[1-*]_input_fault
+in[0-*]_fault
+fan[1-*]_fault
+temp[1-*]_fault

                Input fault condition
                0: no fault occured
                1: fault condition
                Input fault condition
                0: no fault occured
                1: fault condition