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
next prev parent 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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