summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/exynos5422-cpu-thermal.dtsi
diff options
context:
space:
mode:
authorAnand Moon <linux.amoon@gmail.com>2015-06-15 04:53:22 +0200
committerKukjin Kim <kgene@kernel.org>2015-07-21 05:56:59 +0200
commitf1722d7dd8b8708e5fbc54be1e44b4cd612e06f2 (patch)
treed7b3a7d97b52b679ebb59f5e04ce637528608139 /arch/arm/boot/dts/exynos5422-cpu-thermal.dtsi
parentARM: dts: Enable TMU for exynos5422-odroidxu3 (diff)
downloadlinux-f1722d7dd8b8708e5fbc54be1e44b4cd612e06f2.tar.xz
linux-f1722d7dd8b8708e5fbc54be1e44b4cd612e06f2.zip
ARM: dts: Define default thermal-zones for exynos5422
Trip points corresponding to the one defined in the exynos_tmu_data.c for Exynos5422 have been included so define thermal-zones attribute. Signed-off-by: Anand Moon <linux.amoon@gmail.com> Tested-by: Markus Reichl <m.reichl@fivetechno.de> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Kukjin Kim <kgene@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/exynos5422-cpu-thermal.dtsi')
-rw-r--r--arch/arm/boot/dts/exynos5422-cpu-thermal.dtsi59
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos5422-cpu-thermal.dtsi b/arch/arm/boot/dts/exynos5422-cpu-thermal.dtsi
new file mode 100644
index 000000000000..2b289d7c0d13
--- /dev/null
+++ b/arch/arm/boot/dts/exynos5422-cpu-thermal.dtsi
@@ -0,0 +1,59 @@
+/*
+ * Device tree sources for Exynos5422 thermal zone
+ *
+ * Copyright (c) 2015 Lukasz Majewski <l.majewski@samsung.com>
+ * Anand Moon <linux.amoon@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+/ {
+ thermal-zones {
+ cpu0_thermal: cpu0-thermal {
+ thermal-sensors = <&tmu_cpu0 0>;
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ trips {
+ cpu_alert0: cpu-alert-0 {
+ temperature = <50000>; /* millicelsius */
+ hysteresis = <5000>; /* millicelsius */
+ type = "active";
+ };
+ cpu_alert1: cpu-alert-1 {
+ temperature = <60000>; /* millicelsius */
+ hysteresis = <5000>; /* millicelsius */
+ type = "active";
+ };
+ cpu_alert2: cpu-alert-2 {
+ temperature = <70000>; /* millicelsius */
+ hysteresis = <5000>; /* millicelsius */
+ type = "active";
+ };
+ cpu_crit0: cpu-crit-0 {
+ temperature = <120000>; /* millicelsius */
+ hysteresis = <0>; /* millicelsius */
+ type = "critical";
+ };
+ };
+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert0>;
+ cooling-device = <&fan0 0 1>;
+ };
+ map1 {
+ trip = <&cpu_alert1>;
+ cooling-device = <&fan0 1 2>;
+ };
+ map2 {
+ trip = <&cpu_alert2>;
+ cooling-device = <&fan0 2 3>;
+ };
+ };
+ };
+ };
+};