75 lines
2.5 KiB
Diff
75 lines
2.5 KiB
Diff
From 4d9f93dbdc93e83ba8ddf01893b3c29cd11a87f9 Mon Sep 17 00:00:00 2001
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Message-Id: <4d9f93dbdc93e83ba8ddf01893b3c29cd11a87f9.1622055679.git.stefan@agner.ch>
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In-Reply-To: <0955f7e64f302c5c331b90fd07fc48dfb677eab5.1622055679.git.stefan@agner.ch>
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References: <0955f7e64f302c5c331b90fd07fc48dfb677eab5.1622055679.git.stefan@agner.ch>
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From: Stefan Agner <stefan@agner.ch>
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Date: Mon, 11 Jan 2021 15:53:55 +0100
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Subject: [PATCH 09/11] arm64: dts: meson: g12b: odroid-n2: add fan as cooling
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device
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Add the GPIO fan as a cooling device for the CPU thermal zone. Since we
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have only full fan speed available with this, set the tripping point to
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65°C which is the highest tripping point which Hardkernel used in their
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downstream kernel.
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Signed-off-by: Stefan Agner <stefan@agner.ch>
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---
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.../dts/amlogic/meson-g12b-odroid-n2.dtsi | 38 +++++++++++++++++++
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1 file changed, 38 insertions(+)
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diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
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index 8ad7c3ee1aa3..c4052293ea0d 100644
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--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
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+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
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@@ -388,6 +388,44 @@ &clkc_audio {
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status = "okay";
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};
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+&cpu_thermal {
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+ trips {
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+ cpu_warm: cpu_warm {
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+ hysteresis = <5000>;
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+ temperature = <65000>;
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+ type = "active";
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+ };
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+ };
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+
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+ cooling-maps {
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+ map0 {
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+ cooling-device =
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+ <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
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+ trip = <&cpu_warm>;
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+ };
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+ map1 {
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+ trip = <&cpu_passive>;
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+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu102 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu103 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
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+ };
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+ map2 {
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+ trip = <&cpu_hot>;
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+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu102 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&cpu103 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
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+ <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
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+ };
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+ };
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+};
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+
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&cpu0 {
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cpu-supply = <&vddcpu_b>;
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operating-points-v2 = <&cpu_opp_table_0>;
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--
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2.31.1
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