projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f1722d7d AM |
1 | /* |
| 2 | * Device tree sources for Exynos5422 thermal zone | |
| 3 | * | |
| 4 | * Copyright (c) 2015 Lukasz Majewski <l.majewski@samsung.com> | |
| 5 | * Anand Moon <linux.amoon@gmail.com> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | * | |
| 11 | */ | |
| 12 | ||
| 13 | #include <dt-bindings/thermal/thermal.h> | |
| 14 | ||
| 15 | / { | |
| 16 | thermal-zones { | |
| 17 | cpu0_thermal: cpu0-thermal { | |
| 18 | thermal-sensors = <&tmu_cpu0 0>; | |
| 52e8e592 | 19 | polling-delay-passive = <250>; |
| f1722d7d AM |
20 | polling-delay = <0>; |
| 21 | trips { | |
| 22 | cpu_alert0: cpu-alert-0 { | |
| 23 | temperature = <50000>; /* millicelsius */ | |
| 24 | hysteresis = <5000>; /* millicelsius */ | |
| 25 | type = "active"; | |
| 26 | }; | |
| 27 | cpu_alert1: cpu-alert-1 { | |
| 28 | temperature = <60000>; /* millicelsius */ | |
| 29 | hysteresis = <5000>; /* millicelsius */ | |
| 30 | type = "active"; | |
| 31 | }; | |
| 32 | cpu_alert2: cpu-alert-2 { | |
| 33 | temperature = <70000>; /* millicelsius */ | |
| 34 | hysteresis = <5000>; /* millicelsius */ | |
| 35 | type = "active"; | |
| 36 | }; | |
| 37 | cpu_crit0: cpu-crit-0 { | |
| 38 | temperature = <120000>; /* millicelsius */ | |
| 39 | hysteresis = <0>; /* millicelsius */ | |
| 40 | type = "critical"; | |
| 41 | }; | |
| 52e8e592 KK |
42 | /* |
| 43 | * Exyunos542x support only 4 trip-points | |
| 44 | * so for these polling mode is required. | |
| 45 | * Start polling at temperature level of last | |
| 46 | * interrupt-driven trip: cpu_alert2 | |
| 47 | */ | |
| 48 | cpu_alert3: cpu-alert-3 { | |
| 49 | temperature = <70000>; /* millicelsius */ | |
| 50 | hysteresis = <10000>; /* millicelsius */ | |
| 51 | type = "passive"; | |
| 52 | }; | |
| 53 | cpu_alert4: cpu-alert-4 { | |
| 54 | temperature = <85000>; /* millicelsius */ | |
| 55 | hysteresis = <10000>; /* millicelsius */ | |
| 56 | type = "passive"; | |
| 57 | }; | |
| 58 | ||
| f1722d7d AM |
59 | }; |
| 60 | cooling-maps { | |
| 61 | map0 { | |
| 62 | trip = <&cpu_alert0>; | |
| 63 | cooling-device = <&fan0 0 1>; | |
| 64 | }; | |
| 65 | map1 { | |
| 66 | trip = <&cpu_alert1>; | |
| 67 | cooling-device = <&fan0 1 2>; | |
| 68 | }; | |
| 69 | map2 { | |
| 70 | trip = <&cpu_alert2>; | |
| 71 | cooling-device = <&fan0 2 3>; | |
| 72 | }; | |
| 52e8e592 KK |
73 | /* |
| 74 | * When reaching cpu_alert3, reduce CPU | |
| 75 | * by 2 steps. On Exynos5422/5800 that would | |
| 76 | * be: 1500 MHz and 1100 MHz. | |
| 77 | */ | |
| 78 | map3 { | |
| 79 | trip = <&cpu_alert3>; | |
| 80 | cooling-device = <&cpu0 0 2>; | |
| 81 | }; | |
| 82 | map4 { | |
| 83 | trip = <&cpu_alert3>; | |
| 84 | cooling-device = <&cpu4 0 2>; | |
| 85 | }; | |
| 86 | ||
| 87 | /* | |
| 88 | * When reaching cpu_alert4, reduce CPU | |
| 89 | * further, down to 600 MHz (11 steps for big, | |
| 90 | * 7 steps for LITTLE). | |
| 91 | */ | |
| 92 | map5 { | |
| 93 | trip = <&cpu_alert4>; | |
| 94 | cooling-device = <&cpu0 3 7>; | |
| 95 | }; | |
| 96 | map6 { | |
| 97 | trip = <&cpu_alert4>; | |
| 98 | cooling-device = <&cpu4 3 11>; | |
| 99 | }; | |
| f1722d7d AM |
100 | }; |
| 101 | }; | |
| 102 | }; | |
| 103 | }; |