[PATCH 3/6] ARM:dts exynos5422 Update the thermal sensor for tmu_cpu0

Anand Moon linux.amoon at gmail.com
Thu Mar 26 09:39:12 PDT 2015


Move the registration of thermal sensors for tmu_cpu0 from exynos5420.dtsi
to exynos5-cpu-thermal.dtsi, to avoid duplicate registration of the sensors.

Tested on OdroidXU3 board.

Signed-off-by: Anand Moon <linux.amoon at gmail.com>
---
 arch/arm/boot/dts/exynos5-cpu-thermal.dtsi | 58 ++++++++++++++++++++++++++++++
 arch/arm/boot/dts/exynos5420.dtsi          |  4 ---
 arch/arm/boot/dts/exynos5422-odroidxu3.dts |  1 +
 3 files changed, 59 insertions(+), 4 deletions(-)
 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..8fede70
--- /dev/null
+++ b/arch/arm/boot/dts/exynos5-cpu-thermal.dtsi
@@ -0,0 +1,58 @@
+/*
+ * Device tree sources for Exynos5 thermal zone
+ *
+ * Copyright (c) 2014 Lukasz Majewski <l.majewski at 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 {
+		cpu0_thermal: cpu0-thermal {
+			thermal-sensors = <&tmu_cpu0>;
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			trips {
+				cpu_alert0: cpu-alert-0 {
+					temperature = <48000>; /* ms */
+					hysteresis = <3000>; /* ms */
+					type = "active";
+				};
+				cpu_alert1: cpu-alert-1 {
+					temperature = <53000>; /* ms */
+					hysteresis = <3000>; /* ms */
+					type = "active";
+				};
+				cpu_alert2: cpu-alert-2 {
+					temperature = <59000>; /* ms */
+					hysteresis = <3000>; /* ms */
+					type = "active";
+				};
+				cpu_crit0: cpu-crit-0 {
+					temperature = <75000>; /* ms */
+					hysteresis = <0>; /* ms */
+					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>;
+				};
+			};
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 6b49f3c..eb0f16c 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -827,10 +827,6 @@
 	};
 
 	thermal-zones {
-		cpu0_thermal: cpu0-thermal {
-			thermal-sensors = <&tmu_cpu0>;
-			#include "exynos5420-trip-points.dtsi"
-		};
 		cpu1_thermal: cpu1-thermal {
 		       thermal-sensors = <&tmu_cpu1>;
 		       #include "exynos5420-trip-points.dtsi"
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
index eaec006..c8b3e3e 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
@@ -12,6 +12,7 @@
 
 /dts-v1/;
 #include "exynos5800.dtsi"
+#include "exynos5-cpu-thermal.dtsi"
 
 / {
 	model = "Hardkernel Odroid XU3";
-- 
1.9.1




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