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/linux/Documentation/devicetree/bindings/thermal/
A Dthermal-cooling-devices.yaml5 $id: http://devicetree.org/schemas/thermal/thermal-cooling-devices.yaml#
8 title: Thermal cooling device binding
25 This binding describes the cooling devices.
30 scaling (DVFS), and uses lower frequencies as cooling states.
34 Any cooling device has a range of cooling states (i.e. different levels of
45 "#cooling-cells":
48 the cooling-maps reference. The first cell is the minimum cooling state
49 and the second cell is the maximum cooling state requested.
59 // Example 1: Cpufreq cooling device on CPU0
75 #cooling-cells = <2>;
[all …]
A Dthermal-idle.yaml8 title: Thermal idle cooling device binding
14 The thermal idle cooling device allows the system to passively
27 '#cooling-cells':
31 the cooling-maps reference. The first cell is the minimum cooling state
32 and the second cell is the maximum cooling state requested.
45 - '#cooling-cells'
53 // Example: Combining idle cooling device on big CPUs with cpufreq cooling device
70 #cooling-cells = <2>;
86 #cooling-cells = <2>;
131 cooling-maps {
[all …]
A Dthermal-zones.yaml29 1. when passive cooling is activated (polling-delay-passive)
31 active cooling is activated.
135 cooling action is removed.
140 - active # enable active cooling e.g. fans
172 cooling-maps:
178 trip and the target cooling device state.
190 cooling-device:
194 and maximum cooling state specifiers for each cooling
197 use the minimum and maximum cooling state for that cooling
211 - cooling-device
[all …]
/linux/arch/arm/boot/dts/
A Dexynos5422-odroidxu3-common.dtsi47 #cooling-cells = <2>;
48 cooling-levels = <0 130 170 230>;
94 cooling-maps {
97 cooling-device = <&fan0 0 1>;
101 cooling-device = <&fan0 1 2>;
105 cooling-device = <&fan0 2 3>;
114 cooling-device = <&cpu0 0 2>,
177 cooling-maps {
250 cooling-maps {
323 cooling-maps {
[all …]
A Dexynos5422-odroidhc1.dts51 cooling-maps {
59 cooling-device = <&cpu0 0 2>,
75 cooling-device = <&cpu0 3 8>,
105 cooling-maps {
108 cooling-device = <&cpu0 0 2>,
119 cooling-device = <&cpu0 3 8>,
149 cooling-maps {
193 cooling-maps {
237 cooling-maps {
240 cooling-device = <&gpu 0 2>;
[all …]
A Drk3288-veyron-mickey.dts43 /delete-node/ cooling-maps;
83 cooling-maps {
90 cooling-device = <&cpu0 THERMAL_NO_LIMIT 4>,
97 cooling-device = <&gpu 1 1>;
142 cooling-device = <&gpu 2 2>;
149 /delete-node/ cooling-maps;
179 cooling-maps {
183 cooling-device = <&gpu THERMAL_NO_LIMIT 1>;
194 cooling-device = <&cpu0 4 4>,
203 cooling-device = <&gpu 2 2>;
[all …]
A Dexynos5420-cpus.dtsi65 #cooling-cells = <2>; /* min followed by max */
77 #cooling-cells = <2>; /* min followed by max */
89 #cooling-cells = <2>; /* min followed by max */
101 #cooling-cells = <2>; /* min followed by max */
113 #cooling-cells = <2>; /* min followed by max */
125 #cooling-cells = <2>; /* min followed by max */
137 #cooling-cells = <2>; /* min followed by max */
149 #cooling-cells = <2>; /* min followed by max */
A Dexynos5422-cpus.dtsi64 #cooling-cells = <2>; /* min followed by max */
77 #cooling-cells = <2>; /* min followed by max */
90 #cooling-cells = <2>; /* min followed by max */
103 #cooling-cells = <2>; /* min followed by max */
116 #cooling-cells = <2>; /* min followed by max */
129 #cooling-cells = <2>; /* min followed by max */
142 #cooling-cells = <2>; /* min followed by max */
155 #cooling-cells = <2>; /* min followed by max */
A Dexynos4412-odroidu3.dts50 #cooling-cells = <2>;
51 cooling-levels = <0 102 170 230>;
68 cooling-maps {
71 cooling-device = <&cpu0 9 9>, <&cpu1 9 9>,
77 cooling-device = <&cpu0 15 15>, <&cpu1 15 15>,
83 cooling-device = <&fan0 0 1>;
/linux/Documentation/driver-api/thermal/
A Dsysfs-api.rst95 performing passive cooling.
232 the cooling device name.
242 cooling device.
271 thermal cooling device
282 and the cooling device can be in cooling state 0.
299 thermal cooling device
315 The cooling device pointer
323 contribute to the cooling of this zone unless all cooling
403 |---max_state: Maximum cooling state of the cooling device
404 |---cur_state: Current cooling state of the cooling device
[all …]
A Dcpu-cooling-api.rst2 CPU cooling APIs How To
14 The generic cpu cooling(freq clipping) provides registration/unregistration APIs
15 to the caller. The binding of the cooling devices to the trip point is left for
16 the user. The registration APIs returns the cooling device pointer.
18 1. cpu cooling APIs
29 This interface function registers the cpufreq cooling device with the name
31 cooling devices.
41 This interface function registers the cpufreq cooling device with
44 instances of cpufreq cooling devices.
54 This interface function unregisters the "thermal-cpufreq-%x" cooling device.
/linux/arch/arm64/boot/dts/exynos/
A Dexynos5433-tmu.dtsi54 cooling-maps {
58 cooling-device = <&cpu4 1 2>, <&cpu5 1 2>,
64 cooling-device = <&cpu4 2 3>, <&cpu5 2 3>,
70 cooling-device = <&cpu4 3 4>, <&cpu5 3 4>,
76 cooling-device = <&cpu4 4 5>, <&cpu5 4 5>,
82 cooling-device = <&cpu4 5 7>, <&cpu5 5 7>,
88 cooling-device = <&cpu4 7 9>, <&cpu5 7 9>,
94 cooling-device = <&cpu4 9 14>, <&cpu5 9 14>,
228 cooling-maps {
232 cooling-device = <&cpu0 1 2>, <&cpu1 1 2>,
[all …]
/linux/arch/arm64/boot/dts/amlogic/
A Dmeson-g12b.dtsi53 #cooling-cells = <2>;
63 #cooling-cells = <2>;
73 #cooling-cells = <2>;
83 #cooling-cells = <2>;
93 #cooling-cells = <2>;
103 #cooling-cells = <2>;
117 cooling-maps {
120 cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
129 cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
A Dmeson-g12a.dtsi21 #cooling-cells = <2>;
30 #cooling-cells = <2>;
39 #cooling-cells = <2>;
48 #cooling-cells = <2>;
118 cooling-maps {
121 cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
129 cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
A Dmeson-sm1-odroid-hc4.dts21 #cooling-cells = <2>;
22 cooling-min-state = <0>;
23 cooling-max-state = <3>;
24 cooling-levels = <0 120 170 220>;
79 cooling-maps {
82 cooling-device = <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
/linux/Documentation/ABI/testing/
A Dsysfs-class-thermal78 for cooling device throttling control represents.
85 associated with; -1 means the cooling device is not
93 is relative to the rest of cooling devices in the thermal
94 zone. For example, if a cooling device has a weight double
95 than that of other, it's twice as effective in cooling the
106 different temperature threshold and its associated cooling
212 The maximum permissible cooling state of this cooling device.
218 The current cooling state of this cooling device.
221 - cur_state == 0 means no cooling
222 - cur_state == max_state means the maximum cooling.
[all …]
/linux/drivers/gpu/drm/panfrost/
A Dpanfrost_devfreq.c92 struct thermal_cooling_device *cooling; in panfrost_devfreq_init() local
153 cooling = devfreq_cooling_em_register(devfreq, NULL); in panfrost_devfreq_init()
154 if (IS_ERR(cooling)) in panfrost_devfreq_init()
157 pfdevfreq->cooling = cooling; in panfrost_devfreq_init()
166 if (pfdevfreq->cooling) { in panfrost_devfreq_fini()
167 devfreq_cooling_unregister(pfdevfreq->cooling); in panfrost_devfreq_fini()
168 pfdevfreq->cooling = NULL; in panfrost_devfreq_fini()
/linux/drivers/gpu/drm/lima/
A Dlima_devfreq.c94 if (devfreq->cooling) { in lima_devfreq_fini()
95 devfreq_cooling_unregister(devfreq->cooling); in lima_devfreq_fini()
96 devfreq->cooling = NULL; in lima_devfreq_fini()
107 struct thermal_cooling_device *cooling; in lima_devfreq_init() local
164 cooling = of_devfreq_cooling_register(dev->of_node, devfreq); in lima_devfreq_init()
165 if (IS_ERR(cooling)) in lima_devfreq_init()
168 ldevfreq->cooling = cooling; in lima_devfreq_init()
/linux/arch/arm64/boot/dts/marvell/
A Darmada-8040-clearfog-gt-8k.dts38 #cooling-cells = <2>;
124 cooling-maps {
131 cooling-device = <&fan 4 5>;
160 cooling-maps {
163 cooling-device = <&fan 0 1>;
167 cooling-device = <&fan 1 2>;
171 cooling-device = <&fan 2 3>;
175 cooling-device = <&fan 3 4>;
179 cooling-device = <&fan 4 5>;
208 cooling-maps {
[all …]
A Darmada-ap80x.dtsi329 cooling-maps { };
351 cooling-maps {
354 cooling-device = <&cpu0 1 2>,
359 cooling-device = <&cpu0 3 3>,
384 cooling-maps {
387 cooling-device = <&cpu0 1 2>,
392 cooling-device = <&cpu0 3 3>,
417 cooling-maps {
420 cooling-device = <&cpu2 1 2>,
425 cooling-device = <&cpu2 3 3>,
[all …]
/linux/Documentation/devicetree/bindings/hwmon/
A Dpwm-fan.txt6 - cooling-levels : PWM duty cycle values in a range from 0 to 255
7 which correspond to thermal cooling states
25 #cooling-cells = <2>;
27 cooling-levels = <0 102 170 230>;
42 cooling-maps {
45 cooling-device = <&fan0 0 1>;
A Daspeed-pwm-tacho.txt14 - #cooling-cells: should be 2.
34 For PWM port can be configured cooling-levels to create cooling device.
42 - cooling-levels: PWM duty cycle values in a range from 0 to 255
43 which correspond to thermal cooling states.
55 #cooling-cells = <2>;
65 cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
/linux/arch/arm64/boot/dts/freescale/
A Dfsl-ls2088a.dtsi23 #cooling-cells = <2>;
33 #cooling-cells = <2>;
43 #cooling-cells = <2>;
53 #cooling-cells = <2>;
63 #cooling-cells = <2>;
73 #cooling-cells = <2>;
83 #cooling-cells = <2>;
93 #cooling-cells = <2>;
A Dfsl-ls2080a.dtsi23 #cooling-cells = <2>;
33 #cooling-cells = <2>;
43 #cooling-cells = <2>;
53 #cooling-cells = <2>;
63 #cooling-cells = <2>;
73 #cooling-cells = <2>;
83 #cooling-cells = <2>;
93 #cooling-cells = <2>;
/linux/Documentation/hwmon/
A Dmlxreg-fan.rst44 the system configuration and creates FAN/PWM hwmon objects and a cooling
49 one cooling device. It could be as many instances as programmable device
67 cur_state RW file for current cooling state of the cooling device
69 max_state RO file for maximum cooling state of the cooling device

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