linux-kernel - [PATCH v6 2/4] ARM: tegra: Add soctherm and thermal zones to Tegra124 device tree

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Date:	Fri, 26 Sep 2014 12:43:11 +0300
From:	Mikko Perttunen <cyndis@...si.fi>
To:	edubezval@...il.com, swarren@...dotorg.org,
	thierry.reding@...il.com
Cc:	linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	juha-matti.tilli@....fi, Mikko Perttunen <mperttunen@...dia.com>
Subject: [PATCH v6 2/4] ARM: tegra: Add soctherm and thermal zones to Tegra124 device tree

From: Mikko Perttunen <mperttunen@...dia.com>

This adds the soctherm thermal sensing and management unit to the
Tegra124 device tree along with the four thermal zones corresponding
to the four thermal sensors provided by soctherm.

Signed-off-by: Mikko Perttunen <mperttunen@...dia.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 3cb1548..a7608a4 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -3,6 +3,7 @@
 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
 #include <dt-bindings/pinctrl/pinctrl-tegra-xusb.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/thermal/tegra124-soctherm.h>
 
 #include "skeleton.dtsi"
 
@@ -610,6 +611,18 @@
 		status = "disabled";
 	};
 
+	soctherm: thermal-sensor@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", "soctherm";
+		resets = <&tegra_car 78>;
+		reset-names = "soctherm";
+		#thermal-sensor-cells = <1>;
+	};
+
 	ahub@0,70300000 {
 		compatible = "nvidia,tegra124-ahub";
 		reg = <0x0 0x70300000 0x0 0x200>,
@@ -851,6 +864,40 @@
 		};
 	};
 
+	thermal-zones {
+		cpu {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+
+			thermal-sensors =
+				<&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>;
+		};
+
+		mem {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+
+			thermal-sensors =
+				<&soctherm TEGRA124_SOCTHERM_SENSOR_MEM>;
+		};
+
+		gpu {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+
+			thermal-sensors =
+				<&soctherm TEGRA124_SOCTHERM_SENSOR_GPU>;
+		};
+
+		pllx {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+
+			thermal-sensors =
+				<&soctherm TEGRA124_SOCTHERM_SENSOR_PLLX>;
+		};
+	};
+
 	timer {
 		compatible = "arm,armv7-timer";
 		interrupts = <GIC_PPI 13
-- 
2.1.0

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