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Andrew Jeffery cf583b4275 hwmon: (pmbus/max31785) Add dual tachometer support 
The dual tachometer feature is implemented in hardware with a TACHSEL
input to indicate the rotor under measurement, and exposed on the device
by extending the READ_FAN_SPEED_1 word with two extra bytes*. The need
to read the non-standard four-byte response leads to a cut-down
implementation of i2c_smbus_xfer_emulated() included in the driver.
Further, to expose the second rotor tachometer value to userspace the
values are exposed through virtual pages. We re-route accesses to
FAN_CONFIG_1_2 and READ_FAN_SPEED_1 on pages 23-28 (not defined by the
hardware) to the same registers on pages 0-5, and with the latter command
we extract the value from the second word of the four-byte response.

* The documentation recommends the slower rotor be associated with
TACHSEL=0, which corresponds to the first word of the response. The
TACHSEL=0 measurement is used by the controller's closed-loop fan
management to judge target fan rate.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 		2018-01-02 15:05:34 -08:00
..
ab8500 hwmon: Add ST-Ericsson ABX500 hwmon driver 2013-04-16 18:27:52 -07:00
abituguru hwmon: (abituguru) Fix typos in documentation 2016-06-27 18:58:02 -07:00
abituguru-datasheet Documentation/hwmon/abituguru-datasheet fix a typo 2013-08-20 12:41:10 +02:00
abituguru3 Fix common misspellings 2011-03-31 11:26:23 -03:00
abx500 hwmon: Add ST-Ericsson ABX500 hwmon driver 2013-04-16 18:27:52 -07:00
acpi_power_meter
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ad7314 hwmon: AD7314 driver (ported from IIO) 2011-10-24 11:09:41 -07:00
adc128d818 hwmon: Driver for TI ADC128D818 2014-03-03 08:01:04 -08:00
adm1021 hwmon: (adm1021) Clarify documentation regarding Xeon processors 2011-04-29 16:33:36 +02:00
adm1025 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
adm1026 Documentation: update broken web addresses. 2010-08-04 15:21:40 +02:00
adm1031 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
adm1275 hwmon: (adm1275) Add support for ADM1278 2016-03-05 06:36:03 -08:00
adm9240 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
ads1015 hwmon: (ads1015) move header file out of I2C realm 2017-06-11 17:08:19 -07:00
ads7828 hwmon: (ads7828) add support for ADS7830 2012-12-05 10:55:54 -08:00
adt7410 hwmon: (adt7410) Add support for the adt7310/adt7320 2013-04-07 21:16:38 -07:00
adt7411 hwmon: Add driver for ADT7411 voltage and temperature sensor 2010-03-05 22:17:23 +01:00
adt7462
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adt7470 hwmon: (adt7470) Expose PWM frequency to sysfs 2016-09-08 21:34:16 -07:00
adt7475 hwmon: (adt7475) temperature smoothing 2017-06-11 17:08:19 -07:00
amc6821 hwmon: driver for Texas Instruments amc6821 chip 2010-01-11 09:34:06 -08:00
asb100
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asc7621 hwmon: Driver for Andigilog aSC7621 family monitoring chips 2010-03-05 22:17:25 +01:00
aspeed-pwm-tacho drivers: hwmon: Support for ASPEED PWM/Fan tach 2017-04-10 13:12:18 -07:00
coretemp hwmon: (coretemp) Document and add support for additional CPU models 2013-01-25 21:03:55 -08:00
da9052 hwmon: Fix spelling of Celsius 2012-10-10 15:25:56 +02:00
da9055 hwmon: DA9055 HWMON driver 2012-12-05 10:55:55 -08:00
dme1737 hwmon: (dme1737) Add support for in7 for SCH5127 2011-01-12 21:55:13 +01:00
ds620 hwmon: Support for Dallas Semiconductor DS620 2011-01-09 09:10:10 -08:00
ds1621 Documentation: fix spelling mistakes of "Celcius" -- > "Celsius" 2017-01-04 14:36:17 -07:00
emc6w201 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
emc1403 hwmon: (emc1403) Make all hyst attributes except for temp1_crit_hyst read-only 2014-05-21 16:02:24 -07:00
emc2103 hwmon: Add driver for SMSC EMC2103 temperature monitor and fan controller 2010-08-14 21:08:54 +02:00
f71805f Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
f71882fg hwmon: (f71882fg) Add support for the F71869A 2011-07-03 13:32:53 +02:00
fam15h_power hwmon: (fam15h_power) Add documentation for TDP and accumulated power algorithm 2016-04-19 06:32:35 -07:00
ftsteutates hwmon: (ftsteutates) Fix clearing alarm sysfs entries 2017-08-13 08:24:01 -07:00
g760a Documentation: update broken web addresses. 2010-08-04 15:21:40 +02:00
g762 Add support for GMT G762/G763 PWM fan controllers 2013-06-27 10:31:42 -07:00
gl518sm Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
hih6130 hwmon: Honeywell Humidicon HIH-6130/HIH-6131 humidity and temperature sensor driver 2012-07-21 21:48:44 -07:00
hwmon-kernel-api.txt hwmon: Update documentation to clarify rules for the 'name' attribute 2017-01-25 06:14:36 -08:00
ibm-cffps Documentation: hwmon: Document the IBM CFF power supply 2017-08-29 18:07:13 -07:00
ibmaem
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ibmpowernv hwmon: (powerpc/powernv) hwmon driver for power, fan rpm, voltage and temperature 2014-08-04 07:01:38 -07:00
ina2xx hwmon: (ina2xx) Add ina231 compatible string 2015-01-25 21:23:59 -08:00
ina209 hwmon: Driver for Texas Instruments INA209 2013-02-06 09:57:59 -08:00
ina3221 hwmon: Add support for INA3221 Triple Current/Voltage Monitors 2016-06-27 18:58:03 -07:00
ir35221 hwmon: (pmbus) Add client driver for IR35221 2017-06-11 17:08:19 -07:00
it87 hwmon: (it87) Add support for IT8628E 2016-04-19 06:32:38 -07:00
jc42 hwmon: (jc42) Add support for Microchip MCP9808 temperature sensor 2016-06-27 18:58:04 -07:00
k8temp Documentation: update broken web addresses. 2010-08-04 15:21:40 +02:00
k10temp hwmon: (k10temp) Add support for F15h M60h 2014-09-22 11:14:52 -07:00
lineage-pem hwmon: Update my e-mail address in driver documentation 2013-03-03 21:45:47 -08:00
lm63 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
lm70 hwmon: (lm70) Add support for TI TMP122/124 2017-01-21 12:26:38 -08:00
lm73 hwmon: (lm73) Add support for max/min alarms 2013-02-06 09:57:58 -08:00
lm75 hwmon: (lm75) Add support for TMP75C 2015-10-14 07:57:14 -07:00
lm77 hwmon: (lm77) Do not preserve hysteresis when updating critical temp limit 2014-05-21 16:02:20 -07:00
lm78 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
lm80 hwmon: (lm80) Add detection of NatSemi/TI LM96080 2012-03-18 18:27:43 -07:00
lm83 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
lm85 hwmon: (lm85) Add support for EMC6D103S 2011-03-14 22:36:25 -07:00
lm87 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
lm90 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
lm92 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
lm93 hwmon: (lm93) Add support for LM94 2011-01-18 12:22:54 -08:00
lm25066 hwmon: (pmbus/lm25066) Drop support for LM25063 2018-01-02 15:05:34 -08:00
lm95234 hwmon: (lm95234) Add support for LM95233 2014-12-02 06:11:53 -08:00
lm95245 hwmon: (lm95245) Add support for LM95235 2014-12-02 03:44:18 -08:00
ltc2945 hwmon: Driver for Linear Technologies LTC2945 2014-03-03 08:01:03 -08:00
ltc2978 hwmon: (ltc2978) Add support for LTM4675 2015-08-19 09:08:55 -07:00
ltc2990 hwmon: Add LTC2990 sensor driver 2016-03-05 06:25:34 -08:00
ltc3815 hwmon: (pmbus) Add client driver for LTC3815 2015-12-18 08:20:59 -08:00
ltc4151 hwmon: Add support for LTC4151 2011-03-14 22:39:11 -07:00
ltc4215
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ltc4245 hwmon: (ltc4245) move header file out of I2C realm 2017-06-11 17:08:19 -07:00
ltc4260 hwmon: Driver for Linear Technologies LTC4260 2014-03-03 08:01:03 -08:00
ltc4261 hwmon: Update my e-mail address in driver documentation 2013-03-03 21:45:47 -08:00
max197 hwmon: add Maxim MAX197 support 2012-09-23 21:08:33 -07:00
max1619 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
max1668 hwmon: (max1668) Fix typo in documentation 2016-06-27 18:58:02 -07:00
max6639 hwmon: Driver for Maxim MAX6639 2011-03-14 22:36:24 -07:00
max6642 hwmon: Add support for MAX6642 2011-05-19 08:19:32 -07:00
max6650 hwmon: (max6650) Allow fan shutdown and initial rpm target 2016-09-08 21:34:17 -07:00
max6697 hwmon: Driver for Maxim MAX6697 and compatibles 2013-02-06 09:57:56 -08:00
max8688 Doc: hwmon: Fix typo "montoring" in hwmon 2016-03-05 06:25:34 -08:00
max16064 Doc: hwmon: Fix typo "montoring" in hwmon 2016-03-05 06:25:34 -08:00
max16065 hwmon: Update my e-mail address in driver documentation 2013-03-03 21:45:47 -08:00
max20751 hwmon: (pmbus) Add support for MAX20751 2015-08-09 13:44:27 -07:00
max31722 hwmon: (max31722) Add support for MAX31722/MAX31723 temperature sensors 2016-04-19 06:32:34 -07:00
max31785 hwmon: (pmbus/max31785) Add dual tachometer support 2018-01-02 15:05:34 -08:00
max31790 hwmon: Driver for Maxim MAX31790 2015-10-14 07:57:14 -07:00
max34440 Documentation/hwmon: Update links in max34440 2016-05-26 11:06:53 +02:00
mc13783-adc hwmon: (mc13783-adc) Add support for the MC13892 PMIC 2012-03-23 10:02:19 +01:00
mcp3021 hwmon: (mcp3021) Add MCP3221 support 2012-09-23 21:08:36 -07:00
menf21bmc hwmon: (menf21bmc) Introduce MEN14F021P00 BMC HWMON driver 2014-09-24 15:36:33 +01:00
nct6683 hwmon: Driver for NCT6683D 2014-05-21 16:02:27 -07:00
nct6775 hwmon: (nct6775) Add support for NCT6793D 2015-09-12 19:43:02 -07:00
nct7802 hwmon: (nct7802) Add auto_point attributes 2015-08-09 13:44:27 -07:00
nct7904 hwmon: (nct7904) Rename pwm attributes to match hwmon ABI 2015-07-29 20:06:46 -07:00
nsa320 hwmon: Create an NSA320 hardware monitoring driver 2016-03-08 18:40:49 -08:00
ntc_thermistor hwmon: (ntc_thermistor) Add support for ncpXXxh103 2016-03-05 06:25:34 -08:00
pc87360 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
pc87427 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
pcf8591 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
pmbus Doc: hwmon: Fix typo "montoring" in hwmon 2016-03-05 06:25:34 -08:00
pmbus-core hwmon: (pmbus) move header file out of I2C realm 2017-06-11 17:08:19 -07:00
powr1220 hwmon: Add support for Lattice's POWR1220 power manager IC 2014-08-04 07:01:33 -07:00
pwm-fan hwmon: Add pwm-fan driver 2014-08-04 07:01:38 -07:00
sch5627 hwmon: (sch56xx) Add support for the integrated watchdog (v2) 2012-03-20 06:42:05 -07:00
sch5636 hwmon: (sch56xx) Add support for the integrated watchdog (v2) 2012-03-20 06:42:05 -07:00
scpi-hwmon hwmon: Support sensors exported via ARM SCP interface 2015-10-09 11:05:52 +01:00
sht3x hwmon: (sht3x) add humidity heater element control 2016-07-16 08:40:13 -07:00
sht15 hwmon: (sht15) Root out platform data 2017-10-29 18:36:03 -07:00
sht21 hwmon: (sht21) Add Electronic Identification Code retrieval 2017-01-02 10:19:45 -08:00
shtc1 hwmon: add support for Sensirion SHTC1 sensor 2014-06-12 08:36:48 -07:00
sis5595
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smm665 hwmon: Update my e-mail address in driver documentation 2013-03-03 21:45:47 -08:00
smsc47b397
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smsc47m1 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
smsc47m192
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submitting-patches docs: fix locations of several documents that got moved 2016-10-24 08:12:35 -02:00
sysfs-interface hwmon: Update documentation to clarify rules for the 'name' attribute 2017-01-25 06:14:36 -08:00
tc74 hwmon: add driver for Microchip TC74 2015-06-21 22:54:53 -07:00
tc654 docs: hwmon: Fix typo "Microship" should be "Microchip" 2017-04-02 07:01:53 -07:00
thmc50 Documentation: update broken web addresses. 2010-08-04 15:21:40 +02:00
tmp102 hwmon: (tmp102) Various fixes 2010-05-27 19:58:57 +02:00
tmp103 hwmon: Driver for TI TMP103 temperature sensor 2014-08-04 07:01:33 -07:00
tmp108 hwmon: Add Texas Instruments TMP108 temperature sensor driver. 2016-12-09 21:54:25 -08:00
tmp401 hwmon: (tmp401) Add support for TI TMP461 2016-06-27 18:58:03 -07:00
tmp421 hwmon: (tmp421) Add support for TMP441 and TMP442 2014-08-04 07:01:38 -07:00
tps40422 hwmon: (pmbus) Add tps40422 front-end driver 2014-08-04 07:01:38 -07:00
twl4030-madc-hwmon hwmon: Fix spelling of Celsius 2012-10-10 15:25:56 +02:00
ucd9000 hwmon: (ucd9000) Add support for UCD90160 Power Supply Sequencer 2016-09-08 21:34:16 -07:00
ucd9200 hwmon: Update my e-mail address in driver documentation 2013-03-03 21:45:47 -08:00
userspace-tools
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vexpress hwmon: Versatile Express hwmon driver 2012-10-16 17:12:35 +01:00
via686a Documentation: update broken web addresses. 2010-08-04 15:21:40 +02:00
vt1211
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w83l785ts Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
w83l786ng
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w83627ehf Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
w83627hf hwmon: (w83627hf) Document W83627THF voltage pin mapping 2011-01-12 21:55:11 +01:00
w83773g hwmon: (w83773g) Add documentation 2018-01-02 15:05:34 -08:00
w83781d Fix common misspellings 2011-03-31 11:26:23 -03:00
w83791d hwmon: (w83792d) Update module author 2013-09-06 14:05:42 +02:00
w83792d hwmon: (w83792d) Additional PWM outputs support 2015-07-03 14:39:05 +02:00
w83793 hwmon: (w83793) Implement the standard intrusion detection interface 2011-01-12 21:55:10 +01:00
w83795 Update Jean Delvare's e-mail address 2014-01-29 20:40:08 +01:00
wm831x Fix typo milivolt => millivolt 2012-04-05 16:58:23 -07:00
wm8350
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xgene-hwmon hwmon: Add xgene hwmon driver 2016-09-08 21:34:16 -07:00
zl6100 Doc: hwmon: Fix typo "montoring" in hwmon 2016-03-05 06:25:34 -08:00