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Message-ID: <1448616727-29367-2-git-send-email-dawei.chien@mediatek.com>
Date: Fri, 27 Nov 2015 17:32:05 +0800
From: Dawei Chien <dawei.chien@...iatek.com>
To: Viresh Kumar <viresh.kumar@...aro.org>
CC: "Rafael J. Wysocki" <rjw@...ysocki.net>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Daniel Kurtz <djkurtz@...omium.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Dawei Chien <dawei.chien@...iatek.com>,
<devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>,
<srv_heupstream@...iatek.com>,
Sascha Hauer <kernel@...gutronix.de>,
Punit Agrawal <punit.agrawal@....com>
Subject: [PATCH v4 1/3] arm64: dts: mt8173: Add thermal zone node.
This adds thermal zone node to Mediatek MT8173 dtsi file.
Signed-off-by: Dawei Chien <dawei.chien@...iatek.com>
---
This patch is based on patchset:
https://lkml.org/lkml/2015/11/18/84
---
arch/arm64/boot/dts/mediatek/mt8173.dtsi | 43 ++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index fda805d..4114cee 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -188,6 +188,49 @@
clock-output-names = "cpum_ck";
};
+ thermal-zones {
+ cpu_thermal: cpu_thermal {
+ polling-delay-passive = <1000>; /* milliseconds */
+ polling-delay = <1000>; /* milliseconds */
+
+ thermal-sensors = <&thermal 0>;
+ sustainable-power = <1500>; /* milliwatts */
+
+ 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";
+ };
+ };
+
+ cooling-maps {
+ map@0 {
+ trip = <&target>;
+ cooling-device = <&cpu0 0 0>;
+ contribution = <1024>;
+ };
+ map@1 {
+ trip = <&target>;
+ cooling-device = <&cpu2 0 0>;
+ contribution = <2048>;
+ };
+ };
+ };
+ };
+
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&gic>;
--
1.7.9.5
--
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