[RFC 2/5] ARM: tegra: Add soctherm and thermal zones to Tegra124 device tree

Mikko Perttunen mperttunen at nvidia.com
Thu Jun 19 04:50:37 PDT 2014


This adds the soctherm thermal sensing and management unit to the
Tegra124 device tree along with the four thermal zones it exports.

Signed-off-by: Mikko Perttunen <mperttunen at nvidia.com>
---
 arch/arm/boot/dts/tegra124.dtsi | 47 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index d675186..ca884e8 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -724,6 +724,53 @@
 		status = "disabled";
 	};
 
+	thermal-zones {
+		cpu {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&soctherm 0>;
+		};
+
+		mem {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&soctherm 1>;
+		};
+
+		gpu {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&soctherm 2>;
+		};
+
+		pllx {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+
+			thermal-sensors = <&soctherm 3>;
+		};
+	};
+
+	soctherm: soctherm at 0,700e2000 {
+		compatible = "nvidia,tegra124-soctherm";
+		reg = <0x0 0x700e2000 0x0 0x1000>;
+		interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&tegra_car TEGRA124_CLK_TSENSOR>,
+			<&tegra_car TEGRA124_CLK_SOC_THERM>;
+		clock-names = "tsensor", "soc-therm";
+		resets = <&tegra_car 78>;
+		reset-names = "soc-therm";
+
+		nvidia,thermtrip-threshold-cpu = <105>;
+		nvidia,thermtrip-threshold-gpu-mem = <105>;
+		nvidia,thermtrip-threshold-tsense = <105>;
+
+		#thermal-sensor-cells = <1>;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-- 
1.8.1.5




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