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