Re: [PATCH v5 3/4] ARM: tegra: Add thermal trip points for Jetson TK1

From: Mikko Perttunen
Date: Wed Sep 24 2014 - 14:34:30 EST


On 09/24/2014 09:32 PM, Eduardo Valentin wrote:
Hello Mikko,

On Thu, Aug 21, 2014 at 01:17:21PM +0300, Mikko Perttunen wrote:
This adds critical trip points to the Jetson TK1 device tree.
The device will do a controlled shutdown when either the CPU, GPU
or MEM thermal zone reaches 101 degrees Celsius.

Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
---
v5: added cooling-maps nodes


OK. But no cooling map entry in it. What was the reason again you don't
need/want to add the maps?

There is currently no cooling device to map to.

Mikko


arch/arm/boot/dts/tegra124-jetson-tk1.dts | 41 +++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index 0cdb5cf..bcdab7f 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
@@ -1876,4 +1876,45 @@
<&tegra_car TEGRA124_CLK_EXTERN1>;
clock-names = "pll_a", "pll_a_out0", "mclk";
};
+
+ thermal-zones {
+ cpu {
+ trips {
+ trip@0 {
+ temperature = <101000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ };
+ };
+
+ mem {
+ trips {
+ trip@0 {
+ temperature = <101000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ };
+ };
+
+ gpu {
+ trips {
+ trip@0 {
+ temperature = <101000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ };
+ };
+ };
};
--
1.8.1.5

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