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linux-5.15.y
linux/Documentation/hwmon/ltc2978.rst
Alexander A. Klimov f12d634f90 docs: hwmon: Replace HTTP links with HTTPS ones 
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.

Deterministic algorithm:
For each file:
  If not .svg:
    For each line:
      If doesn't contain `\bxmlns\b`:
        For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
	  If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
            If both the HTTP and HTTPS versions
            return 200 OK and serve the same content:
              Replace HTTP with HTTPS.

Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Link: https://lore.kernel.org/r/20200719170420.60399-1-grandmaster@al2klimov.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-07-24 07:44:57 -07:00

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Kernel driver ltc2978
=====================
Supported chips:
* Linear Technology LTC2972
Prefix: 'ltc2972'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc2972.html
* Linear Technology LTC2974
Prefix: 'ltc2974'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc2974
* Linear Technology LTC2975
Prefix: 'ltc2975'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc2975
* Linear Technology LTC2977
Prefix: 'ltc2977'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc2977
* Linear Technology LTC2978, LTC2978A
Prefix: 'ltc2978'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc2978
https://www.analog.com/en/products/ltc2978a
* Linear Technology LTC2979
Prefix: 'ltc2979'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc2979
* Linear Technology LTC2980
Prefix: 'ltc2980'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc2980
* Linear Technology LTC3880
Prefix: 'ltc3880'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc3880
* Linear Technology LTC3882
Prefix: 'ltc3882'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc3882
* Linear Technology LTC3883
Prefix: 'ltc3883'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc3883
* Linear Technology LTC3884
Prefix: 'ltc3884'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc3884
* Linear Technology LTC3886
Prefix: 'ltc3886'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc3886
* Linear Technology LTC3887
Prefix: 'ltc3887'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc3887
* Linear Technology LTC3889
Prefix: 'ltc3889'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc3889
* Linear Technology LTC7880
Prefix: 'ltc7880'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltc7880
* Linear Technology LTM2987
Prefix: 'ltm2987'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltm2987
* Linear Technology LTM4644
Prefix: 'ltm4644'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltm4644
* Linear Technology LTM4675
Prefix: 'ltm4675'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltm4675
* Linear Technology LTM4676
Prefix: 'ltm4676'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltm4676
* Linear Technology LTM4677
Prefix: 'ltm4677'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltm4677
* Linear Technology LTM4678
Prefix: 'ltm4678'
Addresses scanned: -
Datasheet: https://www.analog.com/en/products/ltm4678
* Analog Devices LTM4680
Prefix: 'ltm4680'
Addresses scanned: -
Datasheet: https://www.analog.com/ltm4680
* Analog Devices LTM4686
Prefix: 'ltm4686'
Addresses scanned: -
Datasheet: https://www.analog.com/ltm4686
* Analog Devices LTM4700
Prefix: 'ltm4700'
Addresses scanned: -
Datasheet: https://www.analog.com/ltm4700
Author: Guenter Roeck <linux@roeck-us.net>
Description
-----------
- LTC2974 and LTC2975 are quad digital power supply managers.
- LTC2978 is an octal power supply monitor.
- LTC2977 is a pin compatible replacement for LTC2978.
- LTC2980 is a 16-channel Power System Manager, consisting of two LTC2977
- in a single die. The chip is instantiated and reported as two separate chips
- on two different I2C bus addresses.
- LTC3880, LTC3882, LTC3886, and LTC3887 are dual output poly-phase step-down
- DC/DC controllers.
- LTC3883 is a single phase step-down DC/DC controller.
- LTM2987 is a 16-channel Power System Manager with two LTC2977 plus
- additional components on a single die. The chip is instantiated and reported
- as two separate chips on two different I2C bus addresses.
- LTM4675 is a dual 9A or single 18A μModule regulator
- LTM4676 is a dual 13A or single 26A uModule regulator.
- LTM4686 is a dual 10A or single 20A uModule regulator.
Usage Notes
-----------
This driver does not probe for PMBus devices. You will have to instantiate
devices explicitly.
Example: the following commands will load the driver for an LTC2978 at address
0x60 on I2C bus #1::
# modprobe ltc2978
# echo ltc2978 0x60 > /sys/bus/i2c/devices/i2c-1/new_device
Sysfs attributes
----------------
======================= ========================================================
in1_label "vin"
in1_input Measured input voltage.
in1_min Minimum input voltage.
in1_max Maximum input voltage.
LTC2974, LTC2975, LTC2977, LTC2980, LTC2978,
LTC2979 and LTM2987 only.
in1_lcrit Critical minimum input voltage.
LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978,
LTC2979 and LTM2987 only.
in1_crit Critical maximum input voltage.
in1_min_alarm Input voltage low alarm.
in1_max_alarm Input voltage high alarm.
LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978,
LTC2979 and LTM2987 only.
in1_lcrit_alarm Input voltage critical low alarm.
LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978,
LTC2979 and LTM2987 only.
in1_crit_alarm Input voltage critical high alarm.
in1_lowest Lowest input voltage.
LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978,
and LTM2987 only.
in1_highest Highest input voltage.
in1_reset_history Reset input voltage history.
in[N]_label "vout[1-8]".
- LTC2972: N=2-3
- LTC2974, LTC2975: N=2-5
- LTC2977, LTC2979, LTC2980, LTM2987: N=2-9
- LTC2978: N=2-9
- LTC3880, LTC3882, LTC3884, LTC23886 LTC3887, LTC3889,
LTC7880, LTM4644, LTM4675, LTM4676, LTM4677, LTM4678,
LTM4680, LTM4700: N=2-3
- LTC3883: N=2
in[N]_input Measured output voltage.
in[N]_min Minimum output voltage.
in[N]_max Maximum output voltage.
in[N]_lcrit Critical minimum output voltage.
in[N]_crit Critical maximum output voltage.
in[N]_min_alarm Output voltage low alarm.
in[N]_max_alarm Output voltage high alarm.
in[N]_lcrit_alarm Output voltage critical low alarm.
in[N]_crit_alarm Output voltage critical high alarm.
in[N]_lowest Lowest output voltage.
LTC2972, LTC2974, LTC2975,and LTC2978 only.
in[N]_highest Highest output voltage.
in[N]_reset_history Reset output voltage history.
temp[N]_input Measured temperature.
- On LTC2972, temp[1-2] report external temperatures,
and temp 3 reports the chip temperature.
- On LTC2974 and LTC2975, temp[1-4] report external
temperatures, and temp5 reports the chip temperature.
- On LTC2977, LTC2979, LTC2980, LTC2978, and LTM2987,
only one temperature measurement is supported and
reports the chip temperature.
- On LTC3880, LTC3882, LTC3886, LTC3887, LTC3889,
LTM4664, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680,
and LTM4700, temp1 and temp2 report external
temperatures, and temp3 reports the chip temperature.
- On LTC3883, temp1 reports an external temperature,
and temp2 reports the chip temperature.
temp[N]_min Mimimum temperature.
LTC2972, LTC2974, LCT2977, LTM2980, LTC2978,
LTC2979, and LTM2987 only.
temp[N]_max Maximum temperature.
temp[N]_lcrit Critical low temperature.
temp[N]_crit Critical high temperature.
temp[N]_min_alarm Temperature low alarm.
LTC2972, LTC2974, LTC2975, LTC2977, LTM2980, LTC2978,
LTC2979, and LTM2987 only.
temp[N]_max_alarm Temperature high alarm.
temp[N]_lcrit_alarm Temperature critical low alarm.
temp[N]_crit_alarm Temperature critical high alarm.
temp[N]_lowest Lowest measured temperature.
- LTC2972, LTC2974, LTC2975, LTC2977, LTM2980, LTC2978,
LTC2979, and LTM2987 only.
- Not supported for chip temperature sensor on LTC2974
and LTC2975.
temp[N]_highest Highest measured temperature.
Not supported for chip temperature sensor on
LTC2974 and LTC2975.
temp[N]_reset_history Reset temperature history.
Not supported for chip temperature sensor on
LTC2974 and LTC2975.
power1_label "pin". LTC3883 and LTC3886 only.
power1_input Measured input power.
power[N]_label "pout[1-4]".
- LTC2972: N=1-2
- LTC2974, LTC2975: N=1-4
- LTC2977, LTC2979, LTC2980, LTM2987: Not supported
- LTC2978: Not supported
- LTC3880, LTC3882, LTC3884, LTC3886, LTC3887, LTC3889,
LTM4664, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680,
LTM4700: N=1-2
- LTC3883: N=2
power[N]_input Measured output power.
curr1_label "iin".
LTC3880, LTC3883, LTC3884, LTC3886, LTC3887, LTC3889,
LTM4644, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680,
and LTM4700 only.
curr1_input Measured input current.
curr1_max Maximum input current.
curr1_max_alarm Input current high alarm.
curr1_highest Highest input current.
LTC3883 and LTC3886 only.
curr1_reset_history Reset input current history.
LTC3883 and LTC3886 only.
curr[N]_label "iout[1-4]".
- LTC2972: N-1-2
- LTC2974, LTC2975: N=1-4
- LTC2977, LTC2979, LTC2980, LTM2987: not supported
- LTC2978: not supported
- LTC3880, LTC3882, LTC3884, LTC3886, LTC3887, LTC3889,
LTM4664, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680,
LTM4700: N=2-3
- LTC3883: N=2
curr[N]_input Measured output current.
curr[N]_max Maximum output current.
curr[N]_crit Critical high output current.
curr[N]_lcrit Critical low output current.
LTC2972, LTC2974 and LTC2975 only.
curr[N]_max_alarm Output current high alarm.
curr[N]_crit_alarm Output current critical high alarm.
curr[N]_lcrit_alarm Output current critical low alarm.
LTC2972, LTC2974 and LTC2975 only.
curr[N]_lowest Lowest output current.
LTC2972, LTC2974 and LTC2975 only.
curr[N]_highest Highest output current.
curr[N]_reset_history Reset output current history.
======================= ========================================================
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