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>

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>;
+                };
+        };
+};