linux-kernel - [PATCH v19 3/5] ARM: dts: add RK3288 Thermal data

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Message-Id: <1416805142-27304-4-git-send-email-caesar.wang@rock-chips.com>
Date:	Mon, 24 Nov 2014 12:59:00 +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,
	huangtao@...k-chips.com, fzf@...k-chips.com,
	caesar.wang@...k-chips.com
Subject: [PATCH v19 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 90C.

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 | 78 +++++++++++++++++++++++++++++++++++
 1 file changed, 78 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..a8a5ea7
--- /dev/null
+++ b/arch/arm/boot/dts/rk3288-thermal.dtsi
@@ -0,0 +1,78 @@
+/*
+ * 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 = <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 */
+
+			/* sensor	ID */
+	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>;
+		};
+	};
+};
-- 
1.9.1


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