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Message-Id: <1414486287-25498-4-git-send-email-caesar.wang@rock-chips.com>
Date: Tue, 28 Oct 2014 16:51:25 +0800
From: Caesar Wang <caesar.wang@...k-chips.com>
To: heiko@...ech.de, rui.zhang@...el.com, edubezval@...il.com
Cc: zyf@...k-chips.com, dianders@...omium.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
cf@...k-chips.com, dmitry.torokhov@...il.com,
dbasehore@...omium.org, huangtao@...k-chips.com,
cjf@...k-chips.com, zhengsq@...k-chips.com,
Caesar Wang <caesar.wang@...k-chips.com>
Subject: [PATCH v15 3/5] ARM: dts: 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 120C.
Signed-off-by: Caesar Wang <caesar.wang@...k-chips.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
arch/arm/boot/dts/rk3288-thermal.dtsi | 65 +++++++++++++++++++++++++++++++++++
1 file changed, 65 insertions(+)
create mode 100644 arch/arm/boot/dts/rk3288-thermal.dtsi
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";
+ };
+ };
+};
--
1.9.1
--
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