[PATCH v2 3/5] ARM: dts: define default thermal-zones for exynos5
Anand Moon
linux.amoon at gmail.com
Thu Apr 9 08:44:17 PDT 2015
Trip points corresponding to the one defined in the exynos_tmu_data.c
for Exynos5 have been included.
This thermal-zones attribute is afterwards reused for Exynos5422.
Changes since v1 : Fixed the thernal_sensor registration of the sensors tmu_cpu0
Tested-by: Markus Reichl <m.reichl at fivetechno.de>
Reviewed-by: Lukasz Majewski <l.majewski at samsung.com>
Signed-off-by: Anand Moon <linux.amoon at gmail.com>
---
arch/arm/boot/dts/exynos5-cpu-thermal.dtsi | 59 ++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
create mode 100644 arch/arm/boot/dts/exynos5-cpu-thermal.dtsi
diff --git a/arch/arm/boot/dts/exynos5-cpu-thermal.dtsi b/arch/arm/boot/dts/exynos5-cpu-thermal.dtsi
new file mode 100644
index 0000000..3ce8872
--- /dev/null
+++ b/arch/arm/boot/dts/exynos5-cpu-thermal.dtsi
@@ -0,0 +1,59 @@
+/*
+ * Device tree sources for Exynos5 thermal zone
+ *
+ * Copyright (c) 2015 Lukasz Majewski <l.majewski at samsung.com>
+ * Anand Moon <linux.amoon at 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 = <100000>; /* 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>;
+ };
+ };
+ };
+ };
+};
--
1.9.1
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