Documentation/hwmon/lm85.rst

79        - Philip Pokorny <ppokorny@penguincomputing.com>,
80        - Frodo Looijaard <frodol@dds.nl>,
81        - Richard Barrington <rich_b_nz@clear.net.nz>,
82        - Margit Schubert-While <margitsw@t-online.de>,
83        - Justin Thiessen <jthiessen@penguincomputing.com>
86 -----------
92 The LM85 uses the 2-wire interface compatible with the SMBUS 2.0
94 temperatures and five (5) voltages. It has four (4) 16-bit counters for
95 measuring fan speed. Five (5) digital inputs are provided for sampling the
99 The voltage inputs have internal scaling resistors so that the following
105 Remote 1 is generally the CPU temperature. These inputs are designed to
117 Each of the measured inputs (voltage, temperature, fan speed) has
121 The LM85 samples all inputs continuously. The lm85 driver will not read
127 ----------------
133 for 3-wire and 2-wire mode. For this reason, the 2-wire fan modes are not
142 The ADM1027, ADT7463 and ADT7468 have a 10-bit ADC and can therefore
152 The ADT7468 has a high-frequency PWM mode, where all PWM outputs are
153 driven by a 22.5 kHz clock. This is a global mode, not per-PWM output,
155 all 3 PWM outputs to a 22.5 kHz frequency. Conversely, setting any PWM
156 frequency below 11.3 kHz will switch all 3 PWM outputs to a frequency
160 from National (AN-1260) with some additional information about the LM85.
167 fans in a PC or embedded system. The EMC6D101, available in a 24-pin SSOP
168 package, and the EMC6D100, available in a 28-pin SSOP package, are designed
169 to be register compatible. The EMC6D100 offers all the features of the
172 versions on register level so these additional voltage inputs may read
180 25.7 kHz, 27.7 kHz and 30 kHz), which can be configured on a per-PWM basis.
183 -----------------------
206 -------------------
217 	- temperature below which fans should be off or spinning very low.
219 	- temperature over which fans start to spin.
221 	- temperature when fans spin at full speed.
223 	- temperature when all fans will run full speed.
234 	- this specifies the PWM value for temp#_auto_temp_off
238 	- this flags selects for temp#_auto_temp_off temperature
246 	contradicts all the published documentation. Setting pwm#_min_ctl
247 	in this case actually affects all PWMs controlled by zone '#'.
253 	- controls zone that is associated with PWM
266      -1    PWM always 100%  (full on)
267      -2    Manual control (write to 'pwm#' to set)
272 see the LM85 datasheet or Application Note AN-1260. These features
276 The number of pulses-per-rev of the fans can be set, Tach monitoring