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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-09 19:59:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-09 19:59:54 -0700
commit71219b3494a32b5e1f22c4b1a5be2eb0d5524057 (patch)
tree682f2079dd82f5b929aa550e96a2fd417e135419 /Documentation
parentc18bb396d3d261ebbb4efbc05129c5d354c541e4 (diff)
parente3a2d2be510ec8a35ecd2a17a42467d417962bb7 (diff)
Merge tag 'hwmon-for-linus-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck: - added chip support: new Centaur CPUs, ADM1272, NCT6796D - ucd9000: added debugfs attributes, gpio support - cleanup and minor bug fixes * tag 'hwmon-for-linus-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (via-cputemp) support new centaur CPUs hwmon: (nct6775) Fix writing pwmX_mode hwmon: (lm92) Add max6635 to lm92_id[] hwmon: (pmbus/adm1275) Add support for ADM1272 hwmon: (lm92) Do not try to detect MAX6635 hwmon: (ucd9000) Add debugfs attributes to provide mfr_status hwmon: (ucd9000) Add gpio chip interface hwmon: (nct6775) Add support for NCT6796D hwmon: (nct6775) Initialize boolean variables with declaration hwmon: (nct6775) Improve fan6/pwm6 support hwmon: (nct6775) Use NUM_FAN consistently hwmon: (g762) handle cleanup with devm_add_action hwmon: (sht3x) Update data sheet URL hwmon: (sht21) Update data sheet URLs hwmon: (pmbus/adm1275) Accept negative page register values hwmon: (pmbus/max8688) Accept negative page register values
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/hwmon/adm127520
-rw-r--r--Documentation/hwmon/lm926
-rw-r--r--Documentation/hwmon/nct677556
-rw-r--r--Documentation/hwmon/sht216
-rw-r--r--Documentation/hwmon/sht3x2
5 files changed, 50 insertions, 40 deletions
diff --git a/Documentation/hwmon/adm1275 b/Documentation/hwmon/adm1275
index 791bc0bd91e6..39033538eb03 100644
--- a/Documentation/hwmon/adm1275
+++ b/Documentation/hwmon/adm1275
@@ -6,6 +6,10 @@ Supported chips:
Prefix: 'adm1075'
Addresses scanned: -
Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1075.pdf
+ * Analog Devices ADM1272
+ Prefix: 'adm1272'
+ Addresses scanned: -
+ Datasheet: www.analog.com/static/imported-files/data_sheets/ADM1272.pdf
* Analog Devices ADM1275
Prefix: 'adm1275'
Addresses scanned: -
@@ -29,11 +33,11 @@ Author: Guenter Roeck <linux@roeck-us.net>
Description
-----------
-This driver supports hardware monitoring for Analog Devices ADM1075, ADM1275,
-ADM1276, ADM1278, ADM1293, and ADM1294 Hot-Swap Controller and Digital
-Power Monitors.
+This driver supports hardware monitoring for Analog Devices ADM1075, ADM1272,
+ADM1275, ADM1276, ADM1278, ADM1293, and ADM1294 Hot-Swap Controller and
+Digital Power Monitors.
-ADM1075, ADM1275, ADM1276, ADM1278, ADM1293, and ADM1294 are hot-swap
+ADM1075, ADM1272, ADM1275, ADM1276, ADM1278, ADM1293, and ADM1294 are hot-swap
controllers that allow a circuit board to be removed from or inserted into
a live backplane. They also feature current and voltage readback via an
integrated 12 bit analog-to-digital converter (ADC), accessed using a
@@ -100,11 +104,10 @@ power1_input_lowest Lowest observed input power. ADM1293 and ADM1294 only.
power1_input_highest Highest observed input power.
power1_reset_history Write any value to reset history.
- Power attributes are supported on ADM1075, ADM1276,
- ADM1293, and ADM1294.
+ Power attributes are supported on ADM1075, ADM1272,
+ ADM1276, ADM1293, and ADM1294.
temp1_input Chip temperature.
- Temperature attributes are only available on ADM1278.
temp1_max Maximum chip temperature.
temp1_max_alarm Temperature alarm.
temp1_crit Critical chip temperature.
@@ -112,4 +115,5 @@ temp1_crit_alarm Critical temperature high alarm.
temp1_highest Highest observed temperature.
temp1_reset_history Write any value to reset history.
- Temperature attributes are supported on ADM1278.
+ Temperature attributes are supported on ADM1272 and
+ ADM1278.
diff --git a/Documentation/hwmon/lm92 b/Documentation/hwmon/lm92
index 22f68ad032cf..cfa99a353b8c 100644
--- a/Documentation/hwmon/lm92
+++ b/Documentation/hwmon/lm92
@@ -11,10 +11,8 @@ Supported chips:
Addresses scanned: none, force parameter needed
Datasheet: http://www.national.com/pf/LM/LM76.html
* Maxim MAX6633/MAX6634/MAX6635
- Prefix: 'lm92'
- Addresses scanned: I2C 0x48 - 0x4b
- MAX6633 with address in 0x40 - 0x47, 0x4c - 0x4f needs force parameter
- and MAX6634 with address in 0x4c - 0x4f needs force parameter
+ Prefix: 'max6635'
+ Addresses scanned: none, force parameter needed
Datasheet: http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3074
Authors:
diff --git a/Documentation/hwmon/nct6775 b/Documentation/hwmon/nct6775
index 76add4c9cd68..bd59834d310f 100644
--- a/Documentation/hwmon/nct6775
+++ b/Documentation/hwmon/nct6775
@@ -36,6 +36,14 @@ Supported chips:
Prefix: 'nct6793'
Addresses scanned: ISA address retrieved from Super I/O registers
Datasheet: Available from Nuvoton upon request
+ * Nuvoton NCT6795D
+ Prefix: 'nct6795'
+ Addresses scanned: ISA address retrieved from Super I/O registers
+ Datasheet: Available from Nuvoton upon request
+ * Nuvoton NCT6796D
+ Prefix: 'nct6796'
+ Addresses scanned: ISA address retrieved from Super I/O registers
+ Datasheet: Available from Nuvoton upon request
Authors:
Guenter Roeck <linux@roeck-us.net>
@@ -88,10 +96,10 @@ The mode works for fan1-fan5.
sysfs attributes
----------------
-pwm[1-5] - this file stores PWM duty cycle or DC value (fan speed) in range:
+pwm[1-7] - this file stores PWM duty cycle or DC value (fan speed) in range:
0 (lowest speed) to 255 (full)
-pwm[1-5]_enable - this file controls mode of fan/temperature control:
+pwm[1-7]_enable - this file controls mode of fan/temperature control:
* 0 Fan control disabled (fans set to maximum speed)
* 1 Manual mode, write to pwm[0-5] any value 0-255
* 2 "Thermal Cruise" mode
@@ -99,16 +107,16 @@ pwm[1-5]_enable - this file controls mode of fan/temperature control:
* 4 "Smart Fan III" mode (NCT6775F only)
* 5 "Smart Fan IV" mode
-pwm[1-5]_mode - controls if output is PWM or DC level
+pwm[1-7]_mode - controls if output is PWM or DC level
* 0 DC output
* 1 PWM output
Common fan control attributes
-----------------------------
-pwm[1-5]_temp_sel Temperature source. Value is temperature sensor index.
+pwm[1-7]_temp_sel Temperature source. Value is temperature sensor index.
For example, select '1' for temp1_input.
-pwm[1-5]_weight_temp_sel
+pwm[1-7]_weight_temp_sel
Secondary temperature source. Value is temperature
sensor index. For example, select '1' for temp1_input.
Set to 0 to disable secondary temperature control.
@@ -116,16 +124,16 @@ pwm[1-5]_weight_temp_sel
If secondary temperature functionality is enabled, it is controlled with the
following attributes.
-pwm[1-5]_weight_duty_step
+pwm[1-7]_weight_duty_step
Duty step size.
-pwm[1-5]_weight_temp_step
+pwm[1-7]_weight_temp_step
Temperature step size. With each step over
temp_step_base, the value of weight_duty_step is added
to the current pwm value.
-pwm[1-5]_weight_temp_step_base
+pwm[1-7]_weight_temp_step_base
Temperature at which secondary temperature control kicks
in.
-pwm[1-5]_weight_temp_step_tol
+pwm[1-7]_weight_temp_step_tol
Temperature step tolerance.
Thermal Cruise mode (2)
@@ -133,9 +141,9 @@ Thermal Cruise mode (2)
If the temperature is in the range defined by:
-pwm[1-5]_target_temp Target temperature, unit millidegree Celsius
+pwm[1-7]_target_temp Target temperature, unit millidegree Celsius
(range 0 - 127000)
-pwm[1-5]_temp_tolerance
+pwm[1-7]_temp_tolerance
Target temperature tolerance, unit millidegree Celsius
there are no changes to fan speed. Once the temperature leaves the interval, fan
@@ -143,14 +151,14 @@ speed increases (if temperature is higher that desired) or decreases (if
temperature is lower than desired), using the following limits and time
intervals.
-pwm[1-5]_start fan pwm start value (range 1 - 255), to start fan
+pwm[1-7]_start fan pwm start value (range 1 - 255), to start fan
when the temperature is above defined range.
-pwm[1-5]_floor lowest fan pwm (range 0 - 255) if temperature is below
+pwm[1-7]_floor lowest fan pwm (range 0 - 255) if temperature is below
the defined range. If set to 0, the fan is expected to
stop if the temperature is below the defined range.
-pwm[1-5]_step_up_time milliseconds before fan speed is increased
-pwm[1-5]_step_down_time milliseconds before fan speed is decreased
-pwm[1-5]_stop_time how many milliseconds must elapse to switch
+pwm[1-7]_step_up_time milliseconds before fan speed is increased
+pwm[1-7]_step_down_time milliseconds before fan speed is decreased
+pwm[1-7]_stop_time how many milliseconds must elapse to switch
corresponding fan off (when the temperature was below
defined range).
@@ -159,8 +167,8 @@ Speed Cruise mode (3)
This modes tries to keep the fan speed constant.
-fan[1-5]_target Target fan speed
-fan[1-5]_tolerance
+fan[1-7]_target Target fan speed
+fan[1-7]_tolerance
Target speed tolerance
@@ -177,19 +185,19 @@ points should be set to higher temperatures and higher pwm values to achieve
higher fan speeds with increasing temperature. The last data point reflects
critical temperature mode, in which the fans should run at full speed.
-pwm[1-5]_auto_point[1-7]_pwm
+pwm[1-7]_auto_point[1-7]_pwm
pwm value to be set if temperature reaches matching
temperature range.
-pwm[1-5]_auto_point[1-7]_temp
+pwm[1-7]_auto_point[1-7]_temp
Temperature over which the matching pwm is enabled.
-pwm[1-5]_temp_tolerance
+pwm[1-7]_temp_tolerance
Temperature tolerance, unit millidegree Celsius
-pwm[1-5]_crit_temp_tolerance
+pwm[1-7]_crit_temp_tolerance
Temperature tolerance for critical temperature,
unit millidegree Celsius
-pwm[1-5]_step_up_time milliseconds before fan speed is increased
-pwm[1-5]_step_down_time milliseconds before fan speed is decreased
+pwm[1-7]_step_up_time milliseconds before fan speed is increased
+pwm[1-7]_step_down_time milliseconds before fan speed is decreased
Usage Notes
-----------
diff --git a/Documentation/hwmon/sht21 b/Documentation/hwmon/sht21
index 47f4765db256..8b3cdda541c1 100644
--- a/Documentation/hwmon/sht21
+++ b/Documentation/hwmon/sht21
@@ -6,13 +6,13 @@ Supported chips:
Prefix: 'sht21'
Addresses scanned: none
Datasheet: Publicly available at the Sensirion website
- http://www.sensirion.com/en/pdf/product_information/Datasheet-humidity-sensor-SHT21.pdf
+ http://www.sensirion.com/file/datasheet_sht21
* Sensirion SHT25
- Prefix: 'sht21'
+ Prefix: 'sht25'
Addresses scanned: none
Datasheet: Publicly available at the Sensirion website
- http://www.sensirion.com/en/pdf/product_information/Datasheet-humidity-sensor-SHT25.pdf
+ http://www.sensirion.com/file/datasheet_sht25
Author:
Urs Fleisch <urs.fleisch@sensirion.com>
diff --git a/Documentation/hwmon/sht3x b/Documentation/hwmon/sht3x
index b0d88184f48e..d9daa6ab1e8e 100644
--- a/Documentation/hwmon/sht3x
+++ b/Documentation/hwmon/sht3x
@@ -5,7 +5,7 @@ Supported chips:
* Sensirion SHT3x-DIS
Prefix: 'sht3x'
Addresses scanned: none
- Datasheet: http://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/Humidity/Sensirion_Humidity_Datasheet_SHT3x_DIS.pdf
+ Datasheet: https://www.sensirion.com/file/datasheet_sht3x_digital
Author:
David Frey <david.frey@sensirion.com>