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40 lines
1.9 KiB
Diff
40 lines
1.9 KiB
Diff
From bb766b0401a49f4a824dd116b9befe8542fe3cd6 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Fri, 27 Mar 2020 13:49:25 +0000
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Subject: [PATCH] overlays: Add missing rpi-poe parameters
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The rpi-poe fan overlay has gained two more fan speeds and adjusted
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the thresholds and hystereses.
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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/README | 14 +++++++++++---
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1 file changed, 11 insertions(+), 3 deletions(-)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -2037,12 +2037,20 @@ Name: rpi-poe
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Info: Raspberry Pi PoE HAT fan
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Load: dtoverlay=rpi-poe,<param>[=<val>]
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Params: poe_fan_temp0 Temperature (in millicelcius) at which the fan
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- turns on (default 50000)
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+ turns on (default 40000)
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poe_fan_temp0_hyst Temperature delta (in millicelcius) at which
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- the fan turns off (default 5000)
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+ the fan turns off (default 2000)
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poe_fan_temp1 Temperature (in millicelcius) at which the fan
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- speeds up (default 55000)
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+ speeds up (default 45000)
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poe_fan_temp1_hyst Temperature delta (in millicelcius) at which
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+ the fan slows down (default 2000)
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+ poe_fan_temp2 Temperature (in millicelcius) at which the fan
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+ speeds up (default 50000)
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+ poe_fan_temp2_hyst Temperature delta (in millicelcius) at which
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+ the fan slows down (default 2000)
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+ poe_fan_temp3 Temperature (in millicelcius) at which the fan
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+ speeds up (default 55000)
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+ poe_fan_temp3_hyst Temperature delta (in millicelcius) at which
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the fan slows down (default 5000)
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