| /kernel/linux/linux-6.6/Documentation/hwmon/ |
| 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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| 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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| 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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| 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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| 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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| 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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| 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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| /kernel/linux/linux-5.10/Documentation/hwmon/ |
| 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
|
| 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
|
| 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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| 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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| 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
|
| D | max31785.rst | 22 dual tachometer measurements, and fan health monitoring.
24 For dual-rotor configurations the MAX31785A exposes the second rotor tachometer
|
| D | pwm-fan.rst | 20 from the sampled interrupts from the tachometer signal within 1 second.
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| /kernel/linux/linux-5.10/drivers/watchdog/ |
| D | wdt.c | 82 /* Support for the Fan Tachometer on the WDT501-P */
83 static int tachometer; variable
84 module_param(tachometer, int, 0);
85 MODULE_PARM_DESC(tachometer,
86 "WDT501-P Fan Tachometer support (0=disable, default=0)");
223 if (tachometer) { in wdt_get_status()
284 if (tachometer) { in wdt_interrupt()
371 if (tachometer) in wdt_ioctl()
642 pr_info("Fan Tachometer is %s\n", in wdt_init()
643 tachometer ? "Enabled" : "Disabled"); in wdt_init()
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| D | wdt_pci.c | 83 /* Support for the Fan Tachometer on the PCI-WDT501 */
84 static int tachometer; variable
85 module_param(tachometer, int, 0);
86 MODULE_PARM_DESC(tachometer,
87 "PCI-WDT501 Fan Tachometer support (0=disable, default=0)");
259 if (tachometer) { in wdtpci_get_status()
320 if (tachometer) { in wdtpci_interrupt()
408 if (tachometer) in wdtpci_ioctl()
682 pr_info("Fan Tachometer is %s\n", in wdtpci_init_one()
683 tachometer ? "Enabled" : "Disabled"); in wdtpci_init_one()
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| /kernel/linux/linux-6.6/drivers/watchdog/ |
| D | wdt.c | 82 /* Support for the Fan Tachometer on the WDT501-P */
83 static int tachometer; variable
84 module_param(tachometer, int, 0);
85 MODULE_PARM_DESC(tachometer,
86 "WDT501-P Fan Tachometer support (0=disable, default=0)");
223 if (tachometer) { in wdt_get_status()
284 if (tachometer) { in wdt_interrupt()
371 if (tachometer) in wdt_ioctl()
642 pr_info("Fan Tachometer is %s\n", in wdt_init()
643 tachometer ? "Enabled" : "Disabled"); in wdt_init()
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| D | wdt_pci.c | 83 /* Support for the Fan Tachometer on the PCI-WDT501 */
84 static int tachometer; variable
85 module_param(tachometer, int, 0);
86 MODULE_PARM_DESC(tachometer,
87 "PCI-WDT501 Fan Tachometer support (0=disable, default=0)");
259 if (tachometer) { in wdtpci_get_status()
320 if (tachometer) { in wdtpci_interrupt()
408 if (tachometer) in wdtpci_ioctl()
682 pr_info("Fan Tachometer is %s\n", in wdtpci_init_one()
683 tachometer ? "Enabled" : "Disabled"); in wdtpci_init_one()
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| /kernel/linux/linux-5.10/drivers/hwmon/ |
| D | mlxreg-fan.c | 36 * tachometer every t-sample (with the default value 11.32 uS) and increment
40 * - 0xff - represents tachometer fault;
41 * - 0xfe - represents tachometer minimum value , which is 4444 RPM;
42 * - 0x00 - represents tachometer maximum value , which is 300000 RPM;
65 * struct mlxreg_fan_tacho - tachometer data (internal use):
67 * @connected: indicates if tachometer is connected;
93 * @tacho: tachometer data;
96 * @divider: divider value for tachometer RPM calculation;
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| /kernel/linux/linux-6.6/Documentation/watchdog/ |
| 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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| /kernel/linux/linux-5.10/Documentation/watchdog/ |
| 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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| /kernel/linux/linux-6.6/drivers/hwmon/ |
| D | mlxreg-fan.c | 29 * tachometer every t-sample (with the default value 11.32 uS) and increment
33 * - 0xff - represents tachometer fault;
34 * - 0xfe - represents tachometer minimum value , which is 4444 RPM;
35 * - 0x00 - represents tachometer maximum value , which is 300000 RPM;
60 * struct mlxreg_fan_tacho - tachometer data (internal use):
62 * @connected: indicates if tachometer is connected;
99 * @tacho: tachometer data;
103 * @divider: divider value for tachometer RPM calculation;
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/hwmon/ |
| D | pwm-fan.txt | 12 describes the tachometer output of the fan as an
17 - pulses-per-revolution : define the tachometer pulses per fan revolution as
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/hwmon/ |
| D | pwm-fan.yaml | 28 This contains an interrupt specifier for each fan tachometer output
36 Define the number of pulses per fan revolution for each tachometer
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| D | max31785.txt | 11 dual tachometer measurements, and fan health monitoring.
|