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[v15,3/5] ARM: dts: add RK3288 Thermal data

Message ID 1414486287-25498-4-git-send-email-caesar.wang@rock-chips.com (mailing list archive)
State Superseded, archived
Delegated to: Zhang Rui
Headers show

Commit Message

Wang Caesar Oct. 28, 2014, 8:51 a.m. UTC 
This patch changes a dtsi file to contain the thermal data
on RK3288 and later SoCs. This data will
enable a thermal shutdown over 120C.

Signed-off-by: Caesar Wang <caesar.wang@rock-chips.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
 arch/arm/boot/dts/rk3288-thermal.dtsi | 65 +++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 arch/arm/boot/dts/rk3288-thermal.dtsi
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Patch

diff --git a/arch/arm/boot/dts/rk3288-thermal.dtsi b/arch/arm/boot/dts/rk3288-thermal.dtsi
new file mode 100644
index 0000000..2a018dc
--- /dev/null
+++ b/arch/arm/boot/dts/rk3288-thermal.dtsi
@@ -0,0 +1,65 @@ 
+/*
+ * 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 */
+
+			/* sensor	ID */
+	thermal-sensors = <&tsadc	0>;
+
+};
+
+cpu_thermal: cpu_thermal {
+	polling-delay-passive = <1000>; /* milliseconds */
+	polling-delay = <5000>; /* milliseconds */
+
+			/* sensor	ID */
+	thermal-sensors = <&tsadc	1>;
+
+	trips {
+		cpu_alert0: cpu_alert0 {
+			temperature = <80000>; /* millicelsius */
+			hysteresis = <2000>; /* millicelsius */
+			type = "passive";
+		};
+		cpu_crit: cpu_crit {
+			temperature = <120000>; /* 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 */
+
+			/* sensor	ID */
+	thermal-sensors = <&tsadc	2>;
+
+	trips {
+		gpu_crit: gpu_crit {
+			temperature = <120000>; /* millicelsius */
+			hysteresis = <2000>; /* millicelsius */
+			type = "critical";
+		};
+	};
+};