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/Documentation/devicetree/bindings/regulator/
Dregulator.yaml34 regulator-input-current-limit-microamp:
127 description: Set over current protection limit. This is a limit where
130 limit setting can be omitted.
133 description: Set over current error limit. This is a limit where part of
136 that detection should be enabled but limit setting can be omitted.
139 description: Set over current warning limit. This is a limit where hardware
140 is assumed still to be functional but approaching limit where it gets
143 be enabled but limit setting can be omitted.
146 description: Set over voltage protection limit. This is a limit where
149 limit setting can be omitted. Limit is given as microvolt offset from
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/Documentation/hwmon/
Dina209.rst44 in0_max shunt voltage max alarm limit (mV)
45 in0_min shunt voltage min alarm limit (mV)
46 in0_crit_max shunt voltage crit max alarm limit (mV)
47 in0_crit_min shunt voltage crit min alarm limit (mV)
48 in0_max_alarm shunt voltage max alarm limit exceeded
49 in0_min_alarm shunt voltage min alarm limit exceeded
50 in0_crit_max_alarm shunt voltage crit max alarm limit exceeded
51 in0_crit_min_alarm shunt voltage crit min alarm limit exceeded
57 in1_max bus voltage max alarm limit (mV)
58 in1_min bus voltage min alarm limit (mV)
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Dadm9240.rst52 microprocessor-based systems, providing measurement and limit comparison
56 for limit comparisons can be programmed in over the same serial bus. The
58 analog channels to ensure a fast interrupt response to any out-of-limit
90 Temperature alarm is asserted once the temperature exceeds the high limit,
102 * User sets 0 to fan_min limit
108 * User sets fan_min limit too low
124 * User sets unreasonably high low fan speed limit
126 - resolution of the low speed limit may be reduced
187 0 +2.5 V_Error high or low limit exceeded
188 1 VCCP_Error high or low limit exceeded
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Dlm77.rst25 and lower limit values.
31 the limit and its hysteresis is always the same for all 3 limits.
35 * When setting a limit, its hysteresis will automatically follow, the
36 difference staying unchanged. For example, if the old critical limit
38 the critical limit to 90 degrees C, then the hysteresis will
Dadm1026.rst46 an analog output and a PWM output along with limit, alarm and mask bits for
51 limit. If the limit is exceeded, an interrupt (#SMBALERT) can be
53 limits for each sensor. If this limit is exceeded, the #THERM output will
58 in counts of a 22.5kHz internal clock. Each fan has a high limit which
59 corresponds to a minimum fan speed. If the limit is exceeded, an interrupt
66 crossed a programmable minimum or maximum limit. Note that minimum in this
90 register. Then set the low temperature limit in the tmin values for each
Dbt1-pvt.rst92 temp1_min RW Low limit for temp input.
93 temp1_max RW High limit for temp input.
95 temperature input went below min limit,
98 temperature input went above max limit,
109 in[0-3]_min RW Low limit for voltage input.
110 in[0-3]_max RW High limit for voltage input.
112 voltage input went below min limit,
115 voltage input went above max limit,
Dmax16065.rst72 MAX16066, MAX16070, and MAX16071 support an additional limit which is
73 configurable as either low or high secondary limit. MAX16065, MAX16066,
103 in[0-11]_min Low warning limit.
107 in[0-11]_max High warning limit.
114 in[0-11]_lcrit Low critical limit.
116 in[0-11]_crit High critical limit.
Dgl518sm.rst44 temperature is above the over temperature limit, and has not yet dropped
45 below the hysteresis limit. The alarm always reflects the current
50 triggered if the rotation speed has dropped below a programmable limit. In
60 maximum limit. Note that minimum in this case always means 'closest to
65 reading the current voltage of any input except for VIN3; limit setting and
/Documentation/ABI/testing/
Dsysfs-driver-intel-xe-hwmon5 Description: RW. Card reactive sustained (PL1) power limit in microwatts.
9 exceeds this limit. A read value of 0 means that the PL1
10 power limit is disabled, writing 0 disables the
11 limit. Writing values > 0 and <= TDP will enable the power limit.
19 Description: RO. Card default power limit (default TDP setting).
36 Description: RW. Card sustained power limit interval (Tau in PL1/Tau) in
45 Description: RW. Package reactive sustained (PL1) power limit in microwatts.
49 exceeds this limit. A read value of 0 means that the PL1
50 power limit is disabled, writing 0 disables the
51 limit. Writing values > 0 and <= TDP will enable the power limit.
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Dsysfs-driver-intel-i915-hwmon13 Description: RW. Card reactive sustained (PL1/Tau) power limit in microwatts.
17 exceeds this limit. A read value of 0 means that the PL1
18 power limit is disabled, writing 0 disables the
19 limit. Writing values > 0 will enable the power limit.
27 Description: RO. Card default power limit (default TDP setting).
35 Description: RW. Sustained power limit interval (Tau in PL1/Tau) in
44 Description: RW. Card reactive critical (I1) power limit in microwatts.
46 Card reactive critical (I1) power limit in microwatts is exposed
49 this limit.
57 Description: RW. Card reactive critical (I1) power limit in milliamperes.
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Dsysfs-class-led-flash60 has exceeded the limit specific to the flash controller
73 supply has exceeded the limit specific to the flash
80 LED has been below the minimum limit specific to
84 controller is below the limit under which strobing the
89 its allowed upper limit
/Documentation/devicetree/bindings/power/supply/
Dgpio-charger.yaml42 charge-current-limit-gpios:
47 charge-current-limit-mapping:
50 current limit.
55 Current limit in uA
58 charge-current-limit-gpios property. Bit 1 second to last
70 - charge-current-limit-gpios
73 charge-current-limit-gpios: [ charge-current-limit-mapping ]
74 charge-current-limit-mapping: [ charge-current-limit-gpios ]
89 charge-current-limit-gpios = <&gpioA 11 GPIO_ACTIVE_HIGH>,
91 charge-current-limit-mapping = <2500000 0x00>, // 2.5 A => both GPIOs low
Dbq25980.yaml40 ti,sc-ovp-limit-microvolt:
42 Minimum input voltage limit in micro volts with a when the charger is in
48 ti,sc-ocp-limit-microamp:
50 Maximum input current limit in micro amps with a 100000 micro amp step.
54 ti,bypass-ovp-limit-microvolt:
56 Minimum input voltage limit in micro volts with a when the charger is in
61 ti,bypass-ocp-limit-microamp:
63 Maximum input current limit in micro amps with a 100000 micro amp step.
108 ti,sc-ocp-limit-microamp = <2000000>;
109 ti,sc-ovp-limit-microvolt = <17800000>;
Dx-powers,axp20x-usb-power-supply.yaml32 input-current-limit-microamp:
34 Optional value to clamp the maximum input current limit to for
53 input-current-limit-microamp:
65 input-current-limit-microamp:
76 input-current-limit-microamp:
87 input-current-limit-microamp:
100 input-current-limit-microamp:
Dqcom,pm8941-charger.yaml43 qcom,fast-charge-current-limit:
54 Battery voltage limit in uV above which fast charging may operate; Defaults to 3.2V
62 Battery voltage limit in uV below which fast charging may operate; Defaults to 4.2V
81 setting this will harmlessly fail. The property 'qcom,fast-charge-current-limit'
89 Battery voltage limit in uV below which auto-recharge functionality will restart charging
90 after end-of-charge; The high cutoff limit for auto-recharge is 5% above this value.
100 qcom,dc-current-limit:
105 Default DC charge current limit in uA. Defaults to 100mA.
120 usb-charge-current-limit:
125 Default USB charge current limit in uA.
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Dsummit,smb347-charger.yaml55 summit,mains-current-limit-microamp:
58 summit,usb-current-limit-microamp:
69 description: Soft temperature limit compensation method
106 summit,mains-current-limit-microamp:
110 summit,usb-current-limit-microamp:
119 summit,mains-current-limit-microamp:
123 summit,usb-current-limit-microamp:
159 summit,mains-current-limit-microamp = <2000000>;
160 summit,usb-current-limit-microamp = <500000>;
Drohm,bd99954.yaml90 # - precharge-upper-limit-microvolt
92 # when battery voltage exceeds this limit voltage (3 in above chart)
101 # to the point where the battery voltage drops below this limit
103 # battery is expected to be faulty if battery voltage exceeds this limit.
127 description: system specific lower limit for system voltage.
132 rohm,vbus-input-current-limit-microamp:
133 description: system specific VBUS input current limit (in microamps).
138 rohm,vcc-input-current-limit-microamp:
139 description: system specific VCC/VACP input current limit (in microamps).
161 rohm,vbus-input-current-limit-microamp = <1472000>;
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Dbq256xx.yaml49 input-voltage-limit-microvolt:
51 Minimum input voltage limit in µV with a 100000 µV step
55 input-current-limit-microamp:
57 Maximum input current limit in µA with a 100000 µA step
123 input-voltage-limit-microvolt = <4500000>;
124 input-current-limit-microamp = <2400000>;
/Documentation/admin-guide/cgroup-v1/
Dhugetlb.rst24 …hugetlb.<hugepagesize>.rsvd.limit_in_bytes # set/show limit of "hugepagesize" hugetlb r…
27 ….failcnt # show the number of allocation failure due to HugeTLB reservation limit
28 …hugetlb.<hugepagesize>.limit_in_bytes # set/show limit of "hugepagesize" hugetlb f…
31 …>.failcnt # show the number of allocation failure due to HugeTLB usage limit
75 The HugeTLB controller allows users to limit the HugeTLB usage (page fault) per
76 control group and enforces the limit during page fault. Since HugeTLB
77 doesn't support page reclaim, enforcing the limit at page fault time implies
79 pages beyond its limit. Therefore the application needs to know exactly how many
94 The HugeTLB controller allows to limit the HugeTLB reservations per control
95 group and enforces the controller limit at reservation time and at the fault of
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Dpids.rst9 new tasks from being fork()'d or clone()'d after a certain limit is reached.
11 Since it is trivial to hit the task limit without hitting any kmemcg limits in
24 to have pids.current > pids.max. This can be done by either setting the limit to
30 To set a cgroup to have no limit, set pids.max to "max". This is the default for
32 limit in the hierarchy is followed).
39 - max: Number of times fork failed in the cgroup because limit was hit in
59 It should be noted that attempts to overcome the set limit (2 in this case) will
68 Even if we migrate to a child cgroup (which doesn't have a set limit), we will
69 not be able to overcome the most stringent limit in the hierarchy (in this case,
83 We can set a limit that is smaller than pids.current, which will stop any new
Drdma.rst19 RDMA controller allows user to limit RDMA/IB specific resources that a given
40 RDMA cgroup allows limit configuration of resources. Rdma cgroup maintains
68 (a) User sets the limit and no previous resource pool exist for the device
78 User should set all the limit to max value if it intents to remove/unconfigure
96 (a) Configure resource limit::
101 (b) Query resource limit::
115 (d) Delete resource limit::
/Documentation/devicetree/bindings/iio/accel/
Dlis302.txt30 - st,click-click-time-limit: click time limit, from 0 to 127.5msec
48 upper/lower limit
51 upper/lower limit for second wakeup
61 - st,{min,max}-limit-{x,y,z} set the min/max limits for x/y/z axis
112 st,min-limit-x = <120>;
113 st,min-limit-y = <120>;
114 st,min-limit-z = <140>;
115 st,max-limit-x = <550>;
116 st,max-limit-y = <550>;
117 st,max-limit-z = <750>;
/Documentation/devicetree/bindings/leds/backlight/
Dqcom-wled.yaml60 qcom,current-limit:
62 mA; per-string current limit.
69 qcom,current-limit-microamp:
71 uA; per-string current limit.
77 qcom,current-boost-limit:
79 mA; boost current limit.
91 V; Over-voltage protection limit.
99 Over-voltage protection limit. This property is for WLED4 only.
179 qcom,current-boost-limit:
200 qcom,current-boost-limit:
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/Documentation/power/regulator/
Doverview.rst14 current limit is controllable).
44 current limit. It only needs to enable or disable its
49 current limit to meet operation demands.
101 - regulator current output limit is 20mA @ 5V but is
110 - Domain-3 current limit is 0mA -> 20mA.
113 dynamically setting voltage or current limit levels.
124 Power Domain: is the new current limit within the domain
128 Regulator Domains: is the new current limit within the
146 get/set voltage, current limit, mode, enable and disable. This should
148 limit. This also compiles out if not in use so drivers can be reused in
Dconsumer.rst103 4. Regulator Current Limit Control & Status (dynamic drivers)
107 current limit to match system operating points. e.g. LCD backlight driver can
108 change the current limit to vary the backlight brightness, USB drivers may want
109 to set the limit to 500mA when supplying power.
111 Consumers can control their supply current limit by calling::
115 Where min_uA and max_uA are the minimum and maximum acceptable current limit in
120 when enabled, then the current limit changes instantly, otherwise the current
121 limit configuration changes and the current limit is physically set when the
124 A regulators current limit can be found by calling::
129 get_current_limit() will return the current limit whether the regulator

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