From: Michael Kao <michael.kao@mediatek.com>
To: Zhang Rui <rui.zhang@intel.com>,
Eduardo Valentin <edubezval@gmail.com>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>, <hsinyi@chromium.org>
Cc: devicetree@vger.kernel.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Michael Kao <michael.kao@mediatek.com>,
Matthias Kaehlcke <mka@chromium.org>,
linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/4] arm64: dts: mt8183: Configure CPU cooling
Date: Wed, 14 Aug 2019 18:06:49 +0800 [thread overview]
Message-ID: <1565777209-21869-5-git-send-email-michael.kao@mediatek.com> (raw)
In-Reply-To: <1565777209-21869-1-git-send-email-michael.kao@mediatek.com>
From: Matthias Kaehlcke <mka@chromium.org>
Add SoC temperature threshold at 68°C and target at 80°C.
Add trip points and cooling maps for big and litter clusters.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Michael Kao <michael.kao@mediatek.com>
---
arch/arm64/boot/dts/mediatek/mt8183.dtsi | 55 ++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index bc42b82..6611d29 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -411,6 +411,61 @@
polling-delay = <500>;
thermal-sensors = <&thermal 0>;
sustainable-power = <4500>;
+
+ 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
+ 14>,
+ <&cpu5
+ THERMAL_NO_LIMIT
+ 14>,
+ <&cpu6
+ THERMAL_NO_LIMIT
+ 14>,
+ <&cpu7
+ THERMAL_NO_LIMIT
+ 14>;
+ contribution = <1024>;
+ };
+ };
};
/* The tzts1 ~ tzts6 don't need to polling */
--
1.9.1
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prev parent reply other threads:[~2019-08-14 10:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-14 10:06 [PATCH 0/4] add dts for Mediatek MT8183 thermal functions Michael Kao
2019-08-14 10:06 ` [PATCH 1/4] arm64: dts: mt8183: add thermal zone node Michael Kao
2019-08-14 10:06 ` [PATCH 2/4] arm64: dts: mt8183: add dynamic power coefficients Michael Kao
2019-08-14 10:06 ` [PATCH 3/4] arm64: dts: mt8183: Add #cooling-cells to CPU nodes Michael Kao
2019-08-14 10:06 ` Michael Kao [this message]
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