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/linux/Documentation/devicetree/bindings/soc/qcom/
A Dqcom,smd-rpm.yaml7 title: Qualcomm Resource Power Manager (RPM) over SMD
10 This driver is used to interface with the Resource Power Manager (RPM) found
11 in various Qualcomm platforms. The RPM allows each component in the system
15 The SMD information for the RPM edge should be filled out. See qcom,smd.txt
17 within the RPM node itself.
19 The RPM exposes resources to its subnodes. The rpm_requests node must be
50 description: Channel name used for the RPM communication
A Dqcom,glink.txt5 of edges can be described by the binding; the GLINK RPM edge and a SMEM based
32 Definition: handle to RPM message memory resource
61 The following example represents the GLINK RPM node on a MSM8996 device, with
/linux/Documentation/devicetree/bindings/interconnect/
A Dqcom,rpm.yaml7 title: Qualcomm RPM Network-On-Chip Interconnect
13 RPM interconnect providers support system bandwidth requirements through
14 RPM processor. The provider is able to communicate with the RPM through
15 the RPM shared memory device.
/linux/Documentation/hwmon/
A Dmax6620.rst27 The driver configures the fan controller in RPM mode. To give the readings more
35 fan[1-4]_div rw Sets the nominal RPM range of the fan. Valid values
37 fan[1-4]_input ro Fan speed in RPM.
38 fan[1-4]_target rw Desired fan speed in RPM.
A Demc2103.rst23 Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
26 the readings more range or accuracy. Not all RPM values can accurately be
28 representable value is 480 RPM.
30 This driver supports RPM based control, to use this a fan target
A Dmax31790.rst29 monitoring and control of fan RPM as well as detection of fan failure.
38 fan[1-12]_input RO fan tachometer speed in RPM
40 fan[1-6]_target RW desired fan speed in RPM
A Dpc87360.rst69 Fan rotation speeds are reported in RPM (revolutions per minute). An alarm
83 divider speed (RPM) RPM (RPM) speed (RPM)
94 * accuracy around 3000 RPM: 3000^2/clock
98 RPM as the lowest acceptable accuracy.
102 Note that not all RPM values can be represented, even when the best clock
A Df71882fg.rst154 voltage) mode, where 0-100% duty cycle (0-100% of 12V) is specified. And RPM
155 mode where the actual RPM of the fan (as measured) is controlled and the speed
160 important difference is that in RPM mode the 0-100% controls the fan speed
162 RPM mode, it will also set fan#_full_speed properly, if it does not then
172 chips, and some modes may only be available in RPM / PWM mode.
178 available on the F71858FG / F8000 if the fan channel is in RPM mode.
A Ddell-smm-hwmon.rst35 fan[1-3]_input RO Fan speed in RPM.
37 fan[1-3]_min RO Minimal Fan speed in RPM
38 fan[1-3]_max RO Maximal Fan speed in RPM
39 fan[1-3]_target RO Expected Fan speed in RPM
143 | | | | | | | +-------------- 8. fan0 RPM
144 | | | | | | +------------------- 7. fan1 RPM
A Dsmsc47m1.rst67 Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
70 the readings more range or accuracy. Not all RPM values can accurately be
72 representable value is around 2600 RPM.
A Dlm80.rst52 Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
55 the readings more range or accuracy. Not all RPM values can accurately be
57 representable value is around 2600 RPM.
A Dibm-cffps.rst35 fan1_input Fan 1 speed in RPM.
38 fan2_input Fan 2 speed in RPM.
A Dlm78.rst53 Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
56 the readings more range or accuracy. Not all RPM values can accurately be
58 representable value is around 2600 RPM.
A Dlm87.rst47 Fan rotation speeds are reported in RPM (rotations per minute). An alarm is
50 the readings more range or accuracy. Not all RPM values can accurately be
52 representable value is around 2600 RPM.
A Dg762.rst29 provide current fan rotation value in RPM as reported by
44 in closed-loop control mode, if fan RPM value is 25% out
66 ('pwm1_enable' set to 2), the expected rotation speed in RPM can be passed to
A Dgl518sm.rst49 Rotation speeds are reported in RPM (rotations per minute). An alarm is
54 give the readings more range or accuracy. Not all RPM values can
56 of 2, the lowest representable value is around 1900 RPM.
A Dsmsc47b397.rst86 How to convert the tach reading to RPM
91 RPM = 60/(TCount * 11.111us)
100 RPM = 60 / (2203 * 11.11111 E-6) = 2451 RPM
A Dmax6639.rst45 fan1_input R TACH1 fan tachometer input (in RPM)
46 fan2_input R TACH2 fan tachometer input (in RPM)
A Dmax31785.rst40 fan[1-8]_input Fan RPM. On the MAX31785A, inputs 5-8 correspond to the
58 2: Automatic PWM (tach-feedback RPM fan-control)
/linux/Documentation/devicetree/bindings/regulator/
A Dqcom,smd-rpm-regulator.yaml7 title: QCOM SMD RPM REGULATOR
10 The Qualcomm RPM over SMD regulator is modelled as a subdevice of the RPM.
11 Because SMD is used as the communication transport mechanism, the RPM
12 resides as a subnode of the SMD. As such, the SMD-RPM regulator requires
13 that the SMD and RPM nodes be present.
19 for information regarding the RPM node.
/linux/drivers/soc/qcom/
A DKconfig26 resource on a RPM-hardened platform must use this database to get
111 tristate "Qualcomm RPM-Hardened (RPMH) Communication"
115 Support for communication with the hardened-RPM blocks in
131 tristate "Qualcomm RPM Power domain driver"
134 QCOM RPM Power domain driver to support power-domains with
136 value to RPM which then translates it into corresponding voltage
149 tristate "Qualcomm Resource Power Manager (RPM) over SMD"
158 frequencies controlled by the RPM on these devices.
160 Say M here if you want to include support for the Qualcomm RPM as a
/linux/Documentation/devicetree/bindings/mfd/
A Dqcom-rpm.txt1 Qualcomm Resource Power Manager (RPM)
3 This driver is used to interface with the Resource Power Manager (RPM) found in
4 various Qualcomm platforms. The RPM allows each component in the system to vote
21 Definition: base address and size of the RPM's message ram
26 Definition: three entries specifying the RPM's:
41 signaling the RPM:
49 The RPM exposes resources to its subnodes. The below bindings specify the set
/linux/drivers/rpmsg/
A DKconfig40 tristate "Qualcomm RPM Glink driver"
45 Say y here to enable support for the GLINK RPM communication driver,
46 which serves as a channel for communication with the RPM in GLINK
/linux/Documentation/devicetree/bindings/power/
A Dqcom,rpmpd.yaml7 title: Qualcomm RPM/RPMh Power domains
13 For RPM/RPMh Power domains, we communicate a performance state to RPM/RPMh
/linux/Documentation/devicetree/bindings/hwmon/
A Dgpio-fan.txt9 - gpio-fan,speed-map: A mapping of possible fan RPM speeds and the
11 must have the RPM values in ascending order.

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