linux-kernel - [PATCH v3] arm: dts: mt2701: Add thermal device node.

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Message-ID: <1484645049-4477-2-git-send-email-erin.lo@mediatek.com>
Date:   Tue, 17 Jan 2017 17:24:09 +0800
From:   Erin Lo <erin.lo@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>
CC:     <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        Dawei Chien <dawei.chien@...iatek.com>,
        Erin Lo <erin.lo@...iatek.com>
Subject: [PATCH v3] arm: dts: mt2701: Add thermal device node.

From: Dawei Chien <dawei.chien@...iatek.com>

Add thermal controller device nodes for MT2701.

Signed-off-by: Dawei Chien <dawei.chien@...iatek.com>
Signed-off-by: Erin Lo <erin.lo@...iatek.com>
---
 arch/arm/boot/dts/mt2701.dtsi | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi
index 4cfec57..26a88cb 100644
--- a/arch/arm/boot/dts/mt2701.dtsi
+++ b/arch/arm/boot/dts/mt2701.dtsi
@@ -89,6 +89,36 @@
 		clock-output-names = "rtc32k";
 	};
 
+	thermal-zones {
+		cpu_thermal: cpu_thermal {
+			polling-delay-passive = <1000>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+
+			thermal-sensors = <&thermal 0>;
+			sustainable-power = <1000>;
+
+			trips {
+				threshold: trip-point@0 {
+					temperature = <68000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				target: trip-point@1 {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				cpu_crit: cpu_crit@0 {
+					temperature = <115000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	timer {
 		compatible = "arm,armv7-timer";
 		interrupt-parent = <&gic>;
@@ -270,6 +300,19 @@
 		status = "disabled";
 	};
 
+	thermal: thermal@...0b000 {
+		#thermal-sensor-cells = <0>;
+		compatible = "mediatek,mt2701-thermal";
+		reg = <0 0x1100b000 0 0x1000>;
+		interrupts = <GIC_SPI 70 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&pericfg CLK_PERI_THERM>, <&pericfg CLK_PERI_AUXADC>;
+		clock-names = "therm", "auxadc";
+		resets = <&pericfg MT2701_PERI_THERM_SW_RST>;
+		reset-names = "therm";
+		mediatek,auxadc = <&auxadc>;
+		mediatek,apmixedsys = <&apmixedsys>;
+	};
+
 	nandc: nfi@...0d000 {
 		compatible = "mediatek,mt2701-nfc";
 		reg = <0 0x1100d000 0 0x1000>;
-- 
1.9.1