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authorCaesar Wang <caesar.wang@rock-chips.com>2014-11-24 12:59:00 +0800
committerHeiko Stuebner <heiko@sntech.de>2014-11-25 00:30:51 +0100
commit9774d96beb2a6454760a0cf5ff8f8f1ce56fc425 (patch)
tree2d1571980dd2a051bdefd20b0d41324d893df253 /arch/arm/boot
parentb77d43943ea83997c6c37b8831d1561981d499c5 (diff)
downloadblackbird-op-linux-9774d96beb2a6454760a0cf5ff8f8f1ce56fc425.tar.gz
blackbird-op-linux-9774d96beb2a6454760a0cf5ff8f8f1ce56fc425.zip
ARM: dts: rockchip: add RK3288 Thermal data
This patch changes a dtsi file to contain the thermal data on RK3288 and later SoCs. This data will enable a thermal shutdown over 90C. Signed-off-by: Caesar Wang <caesar.wang@rock-chips.com> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/dts/rk3288-thermal.dtsi74
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rk3288-thermal.dtsi b/arch/arm/boot/dts/rk3288-thermal.dtsi
new file mode 100644
index 000000000000..2695200c0af7
--- /dev/null
+++ b/arch/arm/boot/dts/rk3288-thermal.dtsi
@@ -0,0 +1,74 @@
+/*
+ * Device Tree Source for RK3288 SoC 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>
+
+reserve_thermal: reserve_thermal {
+ polling-delay-passive = <1000>; /* milliseconds */
+ polling-delay = <5000>; /* milliseconds */
+
+ thermal-sensors = <&tsadc 0>;
+};
+
+cpu_thermal: cpu_thermal {
+ polling-delay-passive = <1000>; /* milliseconds */
+ polling-delay = <5000>; /* milliseconds */
+
+ thermal-sensors = <&tsadc 1>;
+
+ trips {
+ cpu_alert0: cpu_alert0 {
+ temperature = <70000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+ cpu_crit: cpu_crit {
+ temperature = <90000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert0>;
+ cooling-device =
+ <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+};
+
+gpu_thermal: gpu_thermal {
+ polling-delay-passive = <1000>; /* milliseconds */
+ polling-delay = <5000>; /* milliseconds */
+
+ thermal-sensors = <&tsadc 2>;
+
+ trips {
+ gpu_alert0: gpu_alert0 {
+ temperature = <70000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+ gpu_crit: gpu_crit {
+ temperature = <90000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&gpu_alert0>;
+ cooling-device =
+ <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+};
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