This patch changes a dtsi file to contain the thermal data
on RK3288 and later SoCs. This data will
enable a thermal shutdown over 125C.
Signed-off-by: Caesar Wang <caesar.wang@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/rk3xxx-cpu-thermal.dtsi | 32 +++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644 arch/arm/boot/dts/rk3xxx-cpu-thermal.dtsi
diff --git a/arch/arm/boot/dts/rk3xxx-cpu-thermal.dtsi b/arch/arm/boot/dts/rk3xxx-cpu-thermal.dtsi
new file mode 100644
index 0000000..8888f7e
--- /dev/null
+++ b/arch/arm/boot/dts/rk3xxx-cpu-thermal.dtsi
@@ -0,0 +1,32 @@
+/*
+ * Device Tree Source for RK3XXX SoC CPU thermal
+ *
+ * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+cpu_thermal: cpu_thermal {
+ polling-delay-passive = <500>; /* milliseconds */
+ polling-delay = <1000>; /* milliseconds */
+
+ /* sensor ID */
+ thermal-sensors = <&tsadc 0>;
+
+ trips {
+ cpu_alert0: cpu_alert {
+ temperature = <800000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+ cpu_crit: cpu_crit {
+ temperature = <125000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "critical";
+ };
+ };
+};
--
1.9.1
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