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docs: hwmon: asc7621: convert to ReST format 

Convert asc7621 to ReST format, in order to allow it to
be parsed by Sphinx.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
hifive-unleashed-5.2
Mauro Carvalho Chehab 2019-04-17 06:46:20 -03:00 committed by Guenter Roeck
parent a4710b7219
commit 1288cfe043
1 changed files with 88 additions and 58 deletions
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146
Documentation/hwmon/asc7621
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@ -1,10 +1,15 @@
=====================
Kernel driver asc7621
==================
=====================
Supported chips:
Andigilog aSC7621 and aSC7621a
Prefix: 'asc7621'
Addresses scanned: I2C 0x2c, 0x2d, 0x2e
Datasheet: http://www.fairview5.com/linux/asc7621/asc7621.pdf
Author:
@ -73,8 +78,10 @@ Finally, we have added a tach disable function that turns off the tach
measurement system for individual tachs in order to save power. That is
in register 75h.
--
--------------------------------------------------------------------------
aSC7621 Product Description
===========================
The aSC7621 has a two wire digital interface compatible with SMBus 2.0.
Using a 10-bit ADC, the aSC7621 measures the temperature of two remote diode
@ -102,6 +109,8 @@ System voltages of VCCP, 2.5V, 3.3V, 5.0V, and 12V motherboard power are
monitored efficiently with internal scaling resistors.
Features
--------
- Supports PECI interface and monitors internal and remote thermal diodes
- 2-wire, SMBus 2.0 compliant, serial interface
- 10-bit ADC
@ -110,7 +119,7 @@ Features
- Noise filtering of temperature reading for fan speed control
- 0.25C digital temperature sensor resolution
- 3 PWM fan speed control outputs for 2-, 3- or 4-wire fans and up to 4 fan
tachometer inputs
tachometer inputs
- Enhanced measured temperature to Temperature Zone assignment.
- Provides high and low PWM frequency ranges
- 3 GPIO pins for custom use
@ -123,17 +132,20 @@ Except where noted below, the sysfs entries created by this driver follow
the standards defined in "sysfs-interface".
temp1_source
= ===============================================
0 (default) peci_legacy = 0, Remote 1 Temperature
peci_legacy = 1, PECI Processor Temperature 0
peci_legacy = 1, PECI Processor Temperature 0
1 Remote 1 Temperature
2 Remote 2 Temperature
3 Internal Temperature
4 PECI Processor Temperature 0
5 PECI Processor Temperature 1
6 PECI Processor Temperature 2
7 PECI Processor Temperature 3
7 PECI Processor Temperature 3
= ===============================================
temp2_source
= ===============================================
0 (default) Internal Temperature
1 Remote 1 Temperature
2 Remote 2 Temperature
@ -142,8 +154,10 @@ temp2_source
5 PECI Processor Temperature 1
6 PECI Processor Temperature 2
7 PECI Processor Temperature 3
= ===============================================
temp3_source
= ===============================================
0 (default) Remote 2 Temperature
1 Remote 1 Temperature
2 Remote 2 Temperature
@ -152,10 +166,12 @@ temp3_source
5 PECI Processor Temperature 1
6 PECI Processor Temperature 2
7 PECI Processor Temperature 3
= ===============================================
temp4_source
= ===============================================
0 (default) peci_legacy = 0, PECI Processor Temperature 0
peci_legacy = 1, Remote 1 Temperature
peci_legacy = 1, Remote 1 Temperature
1 Remote 1 Temperature
2 Remote 2 Temperature
3 Internal Temperature
@ -163,58 +179,65 @@ temp4_source
5 PECI Processor Temperature 1
6 PECI Processor Temperature 2
7 PECI Processor Temperature 3
= ===============================================
temp[1-4]_smoothing_enable
temp[1-4]_smoothing_time
temp[1-4]_smoothing_enable / temp[1-4]_smoothing_time
Smooths spikes in temp readings caused by noise.
Valid values in milliseconds are:
35000
17600
11800
7000
4400
3000
1600
800
* 35000
* 17600
* 11800
* 7000
* 4400
* 3000
* 1600
* 800
temp[1-4]_crit
When the corresponding zone temperature reaches this value,
ALL pwm outputs will got to 100%.
temp[5-8]_input
temp[5-8]_enable
temp[5-8]_input / temp[5-8]_enable
The aSC7621 can also read temperatures provided by the processor
via the PECI bus. Usually these are "core" temps and are relative
to the point where the automatic thermal control circuit starts
throttling. This means that these are usually negative numbers.
pwm[1-3]_enable
=============== ========================================================
0 Fan off.
1 Fan on manual control.
2 Fan on automatic control and will run at the minimum pwm
if the temperature for the zone is below the minimum.
3 Fan on automatic control but will be off if the temperature
for the zone is below the minimum.
4-254 Ignored.
if the temperature for the zone is below the minimum.
3 Fan on automatic control but will be off if the
temperature for the zone is below the minimum.
4-254 Ignored.
255 Fan on full.
=============== ========================================================
pwm[1-3]_auto_channels
Bitmap as described in sysctl-interface with the following
exceptions...
Only the following combination of zones (and their corresponding masks)
are valid:
1
2
3
2,3
1,2,3
4
1,2,3,4
Special values:
0 Disabled.
16 Fan on manual control.
31 Fan on full.
* 1
* 2
* 3
* 2,3
* 1,2,3
* 4
* 1,2,3,4
* Special values:
== ======================
0 Disabled.
16 Fan on manual control.
31 Fan on full.
== ======================
pwm[1-3]_invert
@ -226,22 +249,22 @@ pwm[1-3]_freq
PWM frequency in Hz
Valid values in Hz are:
10
15
23
30 (default)
38
47
62
94
23000
24000
25000
26000
27000
28000
29000
30000
* 10
* 15
* 23
* 30 (default)
* 38
* 47
* 62
* 94
* 23000
* 24000
* 25000
* 26000
* 27000
* 28000
* 29000
* 30000
Setting any other value will be ignored.
@ -251,17 +274,17 @@ peci_enable
peci_avg
Input filter average time.
0 0 Sec. (no Smoothing) (default)
1 0.25 Sec.
2 0.5 Sec.
3 1.0 Sec.
4 2.0 Sec.
5 4.0 Sec.
6 8.0 Sec.
7 0.0 Sec.
* 0 0 Sec. (no Smoothing) (default)
* 1 0.25 Sec.
* 2 0.5 Sec.
* 3 1.0 Sec.
* 4 2.0 Sec.
* 5 4.0 Sec.
* 6 8.0 Sec.
* 7 0.0 Sec.
peci_legacy
= ============================================
0 Standard Mode (default)
Remote Diode 1 reading is associated with
Temperature Zone 1, PECI is associated with
@ -270,10 +293,12 @@ peci_legacy
1 Legacy Mode
PECI is associated with Temperature Zone 1,
Remote Diode 1 is associated with Zone 4
= ============================================
peci_diode
Diode filter
= ====================
0 0.25 Sec.
1 1.1 Sec.
2 2.4 Sec. (default)
@ -282,15 +307,20 @@ peci_diode
5 6.8 Sec.
6 10.2 Sec.
7 16.4 Sec.
= ====================
peci_4domain
Four domain enable
= ===============================================
0 1 or 2 Domains for enabled processors (default)
1 3 or 4 Domains for enabled processors
= ===============================================
peci_domain
Domain
= ==================================================
0 Processor contains a single domain (0) (default)
1 Processor contains two domains (0,1)
= ==================================================