From: "Clément Péron" <peron.clem@gmail.com>
To: Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
Rob Herring <robh+dt@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-sunxi <linux-sunxi@googlegroups.com>,
"Ondrej Jirman" <megous@megous.com>,
"Clément Péron" <peron.clem@gmail.com>
Subject: [PATCH 2/7] arm64: dts: allwinner: h6: Add thermal trip points/cooling map
Date: Sun, 5 Apr 2020 12:49:08 +0200 [thread overview]
Message-ID: <20200405104913.22806-3-peron.clem@gmail.com> (raw)
In-Reply-To: <20200405104913.22806-1-peron.clem@gmail.com>
From: Ondrej Jirman <megous@megous.com>
This enables passive cooling by down-regulating CPU voltage
and frequency.
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Clément Péron <peron.clem@gmail.com>
---
arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 24 ++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index aef4ae760d5e..d4d3963705f5 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -908,6 +908,30 @@
polling-delay-passive = <0>;
polling-delay = <0>;
thermal-sensors = <&ths 0>;
+
+ trips {
+ cpu_hot_trip: cpu-hot {
+ temperature = <80000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu_very_hot_trip: cpu-very-hot {
+ temperature = <100000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ cpu-hot-limit {
+ trip = <&cpu_hot_trip>;
+ 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>;
+ };
+ };
};
gpu-thermal {
--
2.20.1
next prev parent reply other threads:[~2020-04-05 10:49 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-05 10:49 [PATCH 0/7] Add support for Allwinner H6 DVFS Clément Péron
2020-04-05 10:49 ` [PATCH 1/7] arm64: dts: allwinner: h6: Add clock to CPU cores Clément Péron
2020-04-05 10:49 ` Clément Péron [this message]
2020-04-05 10:49 ` [PATCH 3/7] arm64: dts: allwinner: h6: set thermal polling time Clément Péron
2020-04-05 11:24 ` [linux-sunxi] " Ondřej Jirman
2020-04-05 14:35 ` Clément Péron
2020-04-05 10:49 ` [PATCH 4/7] arm64: dts: allwinner: h6: Add CPU Operating Performance Points table Clément Péron
2020-04-05 10:49 ` [PATCH 5/7] arm64: dts: allwinner: h6: Add GPU " Clément Péron
2020-04-05 10:49 ` [PATCH 6/7] arm64: configs: Enable sun50i cpufreq nvmem Clément Péron
2020-04-05 10:49 ` [PATCH 7/7] arm64: dts: allwinner: h6: Enable CPU and GPU opp tables for Beelink GS1 Clément Péron
2020-04-05 11:31 ` [linux-sunxi] " Ondřej Jirman
2020-04-05 11:51 ` [linux-sunxi] [PATCH 0/7] Add support for Allwinner H6 DVFS Ondřej Jirman
2020-04-05 14:33 ` Clément Péron
2020-04-05 14:54 ` Ondřej Jirman
2020-04-05 15:01 ` Clément Péron
2020-04-05 15:30 ` Clément Péron
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