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30 lines
894 B
Diff
30 lines
894 B
Diff
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From 2a30b8254d34a2656d798931f46af157afd152c0 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 18 Aug 2021 17:26:49 +0100
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Subject: [PATCH] overlays: rpi-poe-plus: Improve the cooling levels
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The PoE HAT cooling levels are not well suited for the PoE+ HAT - the
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fan fails to come on until the temperature reaches the third trip point
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(50C).
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Give the rpi-poe-plus overlay a different set of cooling levels -
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0 32 64 128 255, as suggested by @chris-kai-in.
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See: https://github.com/raspberrypi/firmware/issues/1607
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/rpi-poe-plus-overlay.dts | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/arch/arm/boot/dts/overlays/rpi-poe-plus-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/rpi-poe-plus-overlay.dts
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@@ -17,3 +17,7 @@
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};
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};
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};
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+
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+&fan0 {
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+ cooling-levels = <0 32 64 128 255>;
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+};
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