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authorLukasz Majewski2015-01-30 08:26:03 +0900
committerKukjin Kim2015-02-27 05:22:58 +0900
commit328829a6ad70670605adceb566db49099cc5889f (patch)
tree3ab36ef0dae2e3d640e885eb170ac1d079bfb184 /arch/arm/boot/dts
parentb350de6fa996ca943be4d7f3d4b5491d08918516 (diff)
ARM: dts: define default thermal-zones for exynos4
Trip points corresponding to the one defined in the exynos_tmu_data.c for Exynos4 have been included. This thermal-zones attribute is afterwards reused for Exynos4210, Exynos4412 and Exynos5250. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Acked-by: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Kukjin Kim <kgene@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts')
-rw-r--r--arch/arm/boot/dts/exynos4-cpu-thermal.dtsi52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos4-cpu-thermal.dtsi b/arch/arm/boot/dts/exynos4-cpu-thermal.dtsi
new file mode 100644
index 000000000000..735cb2f10817
--- /dev/null
+++ b/arch/arm/boot/dts/exynos4-cpu-thermal.dtsi
@@ -0,0 +1,52 @@
+/*
+ * Device tree sources for Exynos4 thermal zone
+ *
+ * Copyright (c) 2014 Lukasz Majewski <l.majewski@samsung.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 {
+ cpu_thermal: cpu-thermal {
+ thermal-sensors = <&tmu 0>;
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ trips {
+ cpu_alert0: cpu-alert-0 {
+ temperature = <70000>; /* millicelsius */
+ hysteresis = <10000>; /* millicelsius */
+ type = "active";
+ };
+ cpu_alert1: cpu-alert-1 {
+ temperature = <95000>; /* millicelsius */
+ hysteresis = <10000>; /* millicelsius */
+ type = "active";
+ };
+ cpu_alert2: cpu-alert-2 {
+ temperature = <110000>; /* millicelsius */
+ hysteresis = <10000>; /* millicelsius */
+ type = "active";
+ };
+ cpu_crit0: cpu-crit-0 {
+ temperature = <120000>; /* millicelsius */
+ hysteresis = <0>; /* millicelsius */
+ type = "critical";
+ };
+ };
+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert0>;
+ };
+ map1 {
+ trip = <&cpu_alert1>;
+ };
+ };
+ };
+};
+};