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From: Michael Kao <michael.kao@mediatek.com>
To: Zhang Rui <rui.zhang@intel.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	<linux-pm@vger.kernel.org>, <srv_heupstream@mediatek.com>
Cc: Eduardo Valentin <edubezval@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Matthias Brugger <matthias.bgg@gmail.com>, <hsinyi@chromium.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	Matthias Kaehlcke <mka@chromium.org>,
	Michael Kao <michael.kao@mediatek.com>
Subject: [v5 2/3] arm64: dts: mt8183: Configure CPU cooling
Date: Tue, 13 Oct 2020 18:23:57 +0800	[thread overview]
Message-ID: <20201013102358.22588-3-michael.kao@mediatek.com> (raw)
In-Reply-To: <20201013102358.22588-1-michael.kao@mediatek.com>

From: Matthias Kaehlcke <mka@chromium.org>

Add two passive trip points at 68°C and 80°C for the CPU temperature.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 56 ++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 1cd093cf33f3..0614f18a1ea2 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -10,6 +10,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/reset-controller/mt8183-resets.h>
 #include <dt-bindings/phy/phy.h>
+#include <dt-bindings/thermal/thermal.h>
 #include "mt8183-pinfunc.h"
 
 / {
@@ -450,6 +451,61 @@
 				polling-delay = <500>;
 				thermal-sensors = <&thermal 0>;
 				sustainable-power = <5000>;
+
+				trips {
+					threshold: trip-point@0 {
+						temperature = <68000>;
+						hysteresis = <2000>;
+						type = "passive";
+					};
+
+					target: trip-point@1 {
+						temperature = <80000>;
+						hysteresis = <2000>;
+						type = "passive";
+					};
+
+					cpu_crit: cpu-crit {
+						temperature = <115000>;
+						hysteresis = <2000>;
+						type = "critical";
+					};
+				};
+
+				cooling-maps {
+					map0 {
+						trip = <&target>;
+						cooling-device = <&cpu0
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu1
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu2
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu3
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+						contribution = <3072>;
+					};
+					map1 {
+						trip = <&target>;
+						cooling-device = <&cpu4
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu5
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu6
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>,
+								 <&cpu7
+							THERMAL_NO_LIMIT
+							THERMAL_NO_LIMIT>;
+						contribution = <1024>;
+					};
+				};
 			};
 
 			/* The tzts1 ~ tzts6 don't need to polling */
-- 
2.18.0

  reply	other threads:[~2020-10-13 10:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-13 10:23 [v5 0/3] mt8183: Add Mediatek thermal driver and dtsi Michael Kao
2020-10-13 10:23 ` Michael Kao [this message]
2020-11-24  8:25   ` [v5 2/3] arm64: dts: mt8183: Configure CPU cooling Hsin-Yi Wang
2020-10-13 10:23 ` [v5 3/3] thermal: mediatek: add another get_temp ops for thermal sensors Michael Kao
2021-01-11  0:39   ` Nicolas Boichat
     [not found] ` <20201013102358.22588-2-michael.kao@mediatek.com>
2020-11-24  8:20   ` [v5 1/3] arm64: dts: mt8183: add thermal zone node Hsin-Yi Wang

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