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authorMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-04-17 06:46:28 -0300
committerGuenter Roeck <linux@roeck-us.net>2019-04-17 10:36:05 -0700
commitb04f2f7d387b3160883c2a1f5e2285483a791e82 (patch)
treeb834fd1570d09542b32408c5b1a03d57db6f9dd5 /Documentation/hwmon/lm93
parentb32570a4f0919569bcba13a5419ea97ca5c1d3cf (diff)
downloadlinux-b04f2f7d387b3160883c2a1f5e2285483a791e82.tar.gz
docs: hwmon: convert remaining files to ReST format
Convert all other hwmon files to ReST format, in order to allow
them to be parsed by Sphinx.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'Documentation/hwmon/lm93')
-rw-r--r--Documentation/hwmon/lm93157
1 files changed, 80 insertions, 77 deletions
diff --git a/Documentation/hwmon/lm93 b/Documentation/hwmon/lm93
index f3b2ad2ceb01..49d199b45b67 100644
--- a/Documentation/hwmon/lm93
+++ b/Documentation/hwmon/lm93
@@ -2,20 +2,29 @@ Kernel driver lm93
 ==================
 
 Supported chips:
+
   * National Semiconductor LM93
+
     Prefix 'lm93'
+
     Addresses scanned: I2C 0x2c-0x2e
+
     Datasheet: http://www.national.com/ds.cgi/LM/LM93.pdf
+
   * National Semiconductor LM94
+
     Prefix 'lm94'
+
     Addresses scanned: I2C 0x2c-0x2e
+
     Datasheet: http://www.national.com/ds.cgi/LM/LM94.pdf
 
+
 Authors:
-	Mark M. Hoffman <mhoffman@lightlink.com>
-	Ported to 2.6 by Eric J. Bowersox <ericb@aspsys.com>
-	Adapted to 2.6.20 by Carsten Emde <ce@osadl.org>
-	Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
+	- Mark M. Hoffman <mhoffman@lightlink.com>
+	- Ported to 2.6 by Eric J. Bowersox <ericb@aspsys.com>
+	- Adapted to 2.6.20 by Carsten Emde <ce@osadl.org>
+	- Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
 
 Module Parameters
 -----------------
@@ -67,7 +76,8 @@ LM94 are not supported.
 User Interface
 --------------
 
-#PROCHOT:
+#PROCHOT
+^^^^^^^^
 
 The LM93 can monitor two #PROCHOT signals.  The results are found in the
 sysfs files prochot1, prochot2, prochot1_avg, prochot2_avg, prochot1_max,
@@ -86,7 +96,8 @@ prochot2_interval.  The values in these files specify the intervals for
 list will cause the driver to use the next largest interval.  The available
 intervals are (in seconds):
 
-#PROCHOT intervals: 0.73, 1.46, 2.9, 5.8, 11.7, 23.3, 46.6, 93.2, 186, 372
+#PROCHOT intervals:
+	0.73, 1.46, 2.9, 5.8, 11.7, 23.3, 46.6, 93.2, 186, 372
 
 It is possible to configure the LM93 to logically short the two #PROCHOT
 signals.  I.e. when #P1_PROCHOT is asserted, the LM93 will automatically
@@ -105,16 +116,15 @@ contains a value controlling the duty cycle for the PWM signal used when
 the override function is enabled.  This value ranges from 0 to 15, with 0
 indicating minimum duty cycle and 15 indicating maximum.
 
-#VRD_HOT:
+#VRD_HOT
+^^^^^^^^
 
 The LM93 can monitor two #VRD_HOT signals. The results are found in the
 sysfs files vrdhot1 and vrdhot2. There is one value per file: a boolean for
 which 1 indicates #VRD_HOT is asserted and 0 indicates it is negated. These
 files are read-only.
 
-Smart Tach Mode:
-
-(from the datasheet)
+Smart Tach Mode (from the datasheet)::
 
 	If a fan is driven using a low-side drive PWM, the tachometer
 	output of the fan is corrupted. The LM93 includes smart tachometer
@@ -127,7 +137,8 @@ the fan tachometer with a pwm) to the sysfs file fan<n>_smart_tach.  A zero
 will disable the function for that fan.  Note that Smart tach mode cannot be
 enabled if the PWM output frequency is 22500 Hz (see below).
 
-Manual PWM:
+Manual PWM
+^^^^^^^^^^
 
 The LM93 has a fixed or override mode for the two PWM outputs (although, there
 are still some conditions that will override even this mode - see section
@@ -141,7 +152,8 @@ will cause the driver to use the next largest value.  Also note: when manual
 PWM mode is disabled, the value of pwm1 and pwm2 indicates the current duty
 cycle chosen by the h/w.
 
-PWM Output Frequency:
+PWM Output Frequency
+^^^^^^^^^^^^^^^^^^^^
 
 The LM93 supports several different frequencies for the PWM output channels.
 The sysfs files pwm1_freq and pwm2_freq are used to select the frequency. The
@@ -149,9 +161,11 @@ frequency values are constrained by the hardware.  Selecting a value which is
 not available will cause the driver to use the next largest value.  Also note
 that this parameter has implications for the Smart Tach Mode (see above).
 
-PWM Output Frequencies (in Hz): 12, 36, 48, 60, 72, 84, 96, 22500 (default)
+PWM Output Frequencies (in Hz):
+	12, 36, 48, 60, 72, 84, 96, 22500 (default)
 
-Automatic PWM:
+Automatic PWM
+^^^^^^^^^^^^^
 
 The LM93 is capable of complex automatic fan control, with many different
 points of configuration.  To start, each PWM output can be bound to any
@@ -163,14 +177,16 @@ The eight control sources are: temp1-temp4 (aka "zones" in the datasheet),
 in the sysfs files pwm<n>_auto_channels, where a "1" enables the binding, and
 a "0" disables it. The h/w default is 0x0f (all temperatures bound).
 
-	0x01 - Temp 1
-	0x02 - Temp 2
-	0x04 - Temp 3
-	0x08 - Temp 4
-	0x10 - #PROCHOT 1
-	0x20 - #PROCHOT 2
-	0x40 - #VRDHOT 1
-	0x80 - #VRDHOT 2
+	====== ===========
+	0x01   Temp 1
+	0x02   Temp 2
+	0x04   Temp 3
+	0x08   Temp 4
+	0x10   #PROCHOT 1
+	0x20   #PROCHOT 2
+	0x40   #VRDHOT 1
+	0x80   #VRDHOT 2
+	====== ===========
 
 The function y = f(x) takes a source temperature x to a PWM output y.  This
 function of the LM93 is derived from a base temperature and a table of 12
@@ -180,7 +196,9 @@ degrees C, with the value of offset <i> for temperature value <n> being
 contained in the file temp<n>_auto_offset<i>.  E.g. if the base temperature
 is 40C:
 
+     ========== ======================= =============== =======
      offset #	temp<n>_auto_offset<i>	range		pwm
+     ========== ======================= =============== =======
 	 1		0		-		 25.00%
 	 2		0		-		 28.57%
 	 3		1		40C - 41C	 32.14%
@@ -193,7 +211,8 @@ is 40C:
 	10		2		54C - 56C	 57.14%
 	11		2		56C - 58C	 71.43%
 	12		2		58C - 60C	 85.71%
-					> 60C		100.00%
+	-		-		> 60C		100.00%
+     ========== ======================= =============== =======
 
 Valid offsets are in the range 0C <= x <= 7.5C in 0.5C increments.
 
@@ -213,7 +232,8 @@ temp<n>_auto_pwm_min.  Note, there are only two minimums: one each for temp[12]
 and temp[34].  Therefore, any change to e.g. temp1_auto_pwm_min will also
 affect temp2_auto_pwm_min.
 
-PWM Spin-Up Cycle:
+PWM Spin-Up Cycle
+^^^^^^^^^^^^^^^^^
 
 A spin-up cycle occurs when a PWM output is commanded from 0% duty cycle to
 some value > 0%.  The LM93 supports a minimum duty cycle during spin-up.  These
@@ -225,10 +245,11 @@ the spin-up time in seconds.  The available spin-up times are constrained by
 the hardware.  Selecting a value which is not available will cause the driver
 to use the next largest value.
 
-Spin-up Durations: 0 (disabled, h/w default), 0.1, 0.25, 0.4, 0.7, 1.0,
-		   2.0, 4.0
+Spin-up Durations:
+	0 (disabled, h/w default), 0.1, 0.25, 0.4, 0.7, 1.0, 2.0, 4.0
 
-#PROCHOT and #VRDHOT PWM Ramping:
+#PROCHOT and #VRDHOT PWM Ramping
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 If the #PROCHOT or #VRDHOT signals are asserted while bound to a PWM output
 channel, the LM93 will ramp the PWM output up to 100% duty cycle in discrete
@@ -237,9 +258,11 @@ one value each in seconds: pwm_auto_prochot_ramp and pwm_auto_vrdhot_ramp.
 The available ramp times are constrained by the hardware.  Selecting a value
 which is not available will cause the driver to use the next largest value.
 
-Ramp Times: 0 (disabled, h/w default) to 0.75 in 0.05 second intervals
+Ramp Times:
+	0 (disabled, h/w default) to 0.75 in 0.05 second intervals
 
-Fan Boost:
+Fan Boost
+^^^^^^^^^
 
 For each temperature channel, there is a boost temperature: if the channel
 exceeds this limit, the LM93 will immediately drive both PWM outputs to 100%.
@@ -249,7 +272,8 @@ limit is reached, the temperature channel must drop below this value before
 the boost function is disabled.  This temperature is also expressed in degrees
 C in the sysfs files temp<n>_auto_boost_hyst.
 
-GPIO Pins:
+GPIO Pins
+^^^^^^^^^
 
 The LM93 can monitor the logic level of four dedicated GPIO pins as well as the
 four tach input pins.  GPIO0-GPIO3 correspond to (fan) tach 1-4, respectively.
@@ -260,50 +284,29 @@ LSB is GPIO0, and the MSB is GPIO7.
 LM93 Unique sysfs Files
 -----------------------
 
-	file			description
-	-------------------------------------------------------------
-
-	prochot<n>		current #PROCHOT %
-
-	prochot<n>_avg		moving average #PROCHOT %
-
-	prochot<n>_max		limit #PROCHOT %
-
-	prochot_short		enable or disable logical #PROCHOT pin short
-
-	prochot<n>_override	force #PROCHOT assertion as PWM
-
-	prochot_override_duty_cycle
-				duty cycle for the PWM signal used when
-				#PROCHOT is overridden
-
-	prochot<n>_interval	#PROCHOT PWM sampling interval
-
-	vrdhot<n>		0 means negated, 1 means asserted
-
-	fan<n>_smart_tach	enable or disable smart tach mode
-
-	pwm<n>_auto_channels	select control sources for PWM outputs
-
-	pwm<n>_auto_spinup_min	minimum duty cycle during spin-up
-
-	pwm<n>_auto_spinup_time	duration of spin-up
-
-	pwm_auto_prochot_ramp	ramp time per step when #PROCHOT asserted
-
-	pwm_auto_vrdhot_ramp	ramp time per step when #VRDHOT asserted
-
-	temp<n>_auto_base	temperature channel base
-
-	temp<n>_auto_offset[1-12]
-				temperature channel offsets
-
-	temp<n>_auto_offset_hyst
-				temperature channel offset hysteresis
-
-	temp<n>_auto_boost	temperature channel boost (PWMs to 100%) limit
-
-	temp<n>_auto_boost_hyst	temperature channel boost hysteresis
-
-	gpio			input state of 8 GPIO pins; read-only
-
+=========================== ===============================================
+file			    description
+=========================== ===============================================
+prochot<n>		    current #PROCHOT %
+prochot<n>_avg		    moving average #PROCHOT %
+prochot<n>_max		    limit #PROCHOT %
+prochot_short		    enable or disable logical #PROCHOT pin short
+prochot<n>_override	    force #PROCHOT assertion as PWM
+prochot_override_duty_cycle duty cycle for the PWM signal used when
+			    #PROCHOT is overridden
+prochot<n>_interval	    #PROCHOT PWM sampling interval
+vrdhot<n>		    0 means negated, 1 means asserted
+fan<n>_smart_tach	    enable or disable smart tach mode
+pwm<n>_auto_channels	    select control sources for PWM outputs
+pwm<n>_auto_spinup_min	    minimum duty cycle during spin-up
+pwm<n>_auto_spinup_time	    duration of spin-up
+pwm_auto_prochot_ramp	    ramp time per step when #PROCHOT asserted
+pwm_auto_vrdhot_ramp	    ramp time per step when #VRDHOT asserted
+temp<n>_auto_base	    temperature channel base
+temp<n>_auto_offset[1-12]   temperature channel offsets
+temp<n>_auto_offset_hyst    temperature channel offset hysteresis
+temp<n>_auto_boost	    temperature channel boost (PWMs to 100%)
+			    limit
+temp<n>_auto_boost_hyst     temperature channel boost hysteresis
+gpio			    input state of 8 GPIO pins; read-only
+=========================== ===============================================