Lines Matching +full:fan +full:-

4 The GMT G762 Fan Speed PWM Controller is connected directly to a fan
5 and performs closed-loop or open-loop control of the fan speed. Two
6 modes - PWM or DC - are supported by the device.
9 http://natisbad.org/NAS/ref/GMT_EDS-762_763-080710-0.2.pdf. sysfs
10 bindings are described in Documentation/hwmon/sysfs-interface.rst.
19 fan revolution, ...); Those can be modified via devicetree bindings
25 	    set desired fan speed. This only makes sense in closed-loop
26 	    fan speed control (i.e. when pwm1_enable is set to 2).
29 	    provide current fan rotation value in RPM as reported by
30 	    the fan to the device.
33 	    fan clock divisor. Supported value are 1, 2, 4 and 8.
36 	    number of pulses per fan revolution. Supported values
40 	    reports fan failure, i.e. no transition on fan gear pin for
41 	    about 0.7s (if the fan is not voluntarily set off).
44 	    in closed-loop control mode, if fan RPM value is 25% out
49 	    set current fan speed control mode i.e. 1 for manual fan
50 	    speed control (open-loop) via pwm1 described below, 2 for
51 	    automatic fan speed control (closed-loop) via fan1_target
55 	    set or get fan driving mode: 1 for PWM mode, 0 for DC mode.
58 	    get or set PWM fan control value in open-loop mode. This is an
59 	    integer value between 0 and 255. 0 stops the fan, 255 makes
63 when current fan speed control mode is open-loop ('pwm1_enable' set to 1),
64 the fan speed is programmed by setting a value between 0 and 255 via 'pwm1'
65 entry (0 stops the fan, 255 makes it run at full speed). In closed-loop mode
67 the chip via 'fan1_target'. In closed-loop mode, the target speed is compared
69 is performed to match that target value. The fan speed value is computed
71 system: a reference clock source frequency, a number of pulses per fan