/openbmc/linux/Documentation/hwmon/ |
H A D | max31790.rst | 28 Tachometer inputs monitor fan tachometer logic outputs for precise (+/-1%) 30 Six pins are dedicated tachometer inputs. Any of the six PWM outputs can 31 also be configured to serve as tachometer inputs. 38 fan[1-12]_input RO fan tachometer speed in RPM 41 fan[1-6]_enable RW enable or disable the tachometer input
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H A D | pwm-fan.rst | 20 from the sampled interrupts from the tachometer signal within 1 second. 25 fan1_input ro fan tachometer speed in RPM
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H A D | nct7904.rst | 24 interface, up to 12 fan tachometer inputs, up to 4 fan control channels 36 fan[1-12]_input Fan tachometer measurements (rpm)
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H A D | max6639.rst | 45 fan1_input R TACH1 fan tachometer input (in RPM) 46 fan2_input R TACH2 fan tachometer input (in RPM)
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H A D | max31785.rst | 22 dual tachometer measurements, and fan health monitoring. 24 For dual-rotor configurations the MAX31785A exposes the second rotor tachometer
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H A D | aspeed-g6-pwm-tach.rst | 15 The controller supports up to 16 tachometer inputs.
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H A D | npcm750-pwm-fan.rst | 16 controller supports up to 16 tachometer inputs.
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H A D | aspeed-pwm-tacho.rst | 14 controller supports up to 16 tachometer inputs.
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H A D | lm93.rst | 65 tachometer inputs to measure fan speed. Limit and status registers for all 68 (i.e. smart tachometer mode). It also adds measurement and control support 129 If a fan is driven using a low-side drive PWM, the tachometer 130 output of the fan is corrupted. The LM93 includes smart tachometer 131 circuitry that allows an accurate tachometer reading to be 136 fan tachometer with a pwm) to the sysfs file fan<n>_smart_tach. A zero
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H A D | lm63.rst | 58 The datasheet isn't very clear about what the tachometer reading is. 66 The fan speed is measured using a tachometer. Contrary to most chips which
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H A D | asc7621.rst | 73 The tachometer measurement system is flexible and able to adapt to many 103 The aSC7621 has tachometer inputs to measure fan speed on up to four fans. 122 tachometer inputs
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H A D | mlxreg-fan.rst | 42 a PWM output and tachometer inputs.
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H A D | max6650.rst | 40 fan1_input ro fan tachometer speed in RPM
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H A D | max31760.rst | 31 function to minimize acoustic fan noise. Two tachometer inputs allow
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H A D | amc6821.rst | 46 fan1_input ro tachometer speed
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H A D | it87.rst | 258 IT8783E/F, and late IT8712F and IT8705F also have optional 16-bit tachometer 260 not compatible with the older chips and revisions. The 16-bit tachometer mode 288 16-bit tachometer counters aren't used, fan readings can be divided by
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H A D | w83793.rst | 41 This driver exports 10 voltage sensors, up to 12 fan tachometer inputs,
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H A D | dme1737.rst | 163 to the number of pulses per fan revolution that the connected tachometer
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/openbmc/linux/drivers/watchdog/ |
H A D | wdt.c | 83 static int tachometer; variable 84 module_param(tachometer, int, 0); 85 MODULE_PARM_DESC(tachometer, 223 if (tachometer) { in wdt_get_status() 284 if (tachometer) { in wdt_interrupt() 371 if (tachometer) in wdt_ioctl() 643 tachometer ? "Enabled" : "Disabled"); in wdt_init()
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H A D | wdt_pci.c | 84 static int tachometer; variable 85 module_param(tachometer, int, 0); 86 MODULE_PARM_DESC(tachometer, 259 if (tachometer) { in wdtpci_get_status() 320 if (tachometer) { in wdtpci_interrupt() 408 if (tachometer) in wdtpci_ioctl() 683 tachometer ? "Enabled" : "Disabled"); in wdtpci_init_one()
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/openbmc/linux/Documentation/watchdog/ |
H A D | wdt.rst | 10 - ICS WDT501-P (no fan tachometer) 37 tachometer WDT501-P Fan Tachometer support (0=disable, default=0)
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/openbmc/linux/Documentation/devicetree/bindings/hwmon/ |
H A D | npcm750-pwm-fan.txt | 4 controller outputs and 16 Fan tachometer controller inputs. 7 controller outputs and 16 Fan tachometer controller inputs.
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H A D | max31785.txt | 11 dual tachometer measurements, and fan health monitoring.
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H A D | aspeed-pwm-tacho.txt | 4 controller can support upto 16 Fan tachometer inputs.
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/openbmc/linux/Documentation/devicetree/bindings/hwmon/pmbus/ |
H A D | max31785.txt | 39 controller. Must be either "tach" for tachometer 76 - maxim,fan-dual-tach : Enable dual tachometer functionality
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