target/linux/bcm27xx/patches-5.4/950-0622-overlays-Add-missing-rpi-poe-parameters.patch

   1 From bb766b0401a49f4a824dd116b9befe8542fe3cd6 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.com>
   3 Date: Fri, 27 Mar 2020 13:49:25 +0000
   4 Subject: [PATCH] overlays: Add missing rpi-poe parameters
   5
   6 The rpi-poe fan overlay has gained two more fan speeds and adjusted
   7 the thresholds and hystereses.
   8
   9 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
  10 ---
  11  arch/arm/boot/dts/overlays/README | 14 +++++++++++---
  12  1 file changed, 11 insertions(+), 3 deletions(-)
  13
  14 --- a/arch/arm/boot/dts/overlays/README
  15 +++ b/arch/arm/boot/dts/overlays/README
  16 @@ -2037,12 +2037,20 @@ Name:   rpi-poe
  17  Info:   Raspberry Pi PoE HAT fan
  18  Load:   dtoverlay=rpi-poe,<param>[=<val>]
  19  Params: poe_fan_temp0           Temperature (in millicelcius) at which the fan
  20 -                                turns on (default 50000)
  21 +                                turns on (default 40000)
  22          poe_fan_temp0_hyst      Temperature delta (in millicelcius) at which
  23 -                                the fan turns off (default 5000)
  24 +                                the fan turns off (default 2000)
  25          poe_fan_temp1           Temperature (in millicelcius) at which the fan
  26 -                                speeds up (default 55000)
  27 +                                speeds up (default 45000)
  28          poe_fan_temp1_hyst      Temperature delta (in millicelcius) at which
  29 +                                the fan slows down (default 2000)
  30 +        poe_fan_temp2           Temperature (in millicelcius) at which the fan
  31 +                                speeds up (default 50000)
  32 +        poe_fan_temp2_hyst      Temperature delta (in millicelcius) at which
  33 +                                the fan slows down (default 2000)
  34 +        poe_fan_temp3           Temperature (in millicelcius) at which the fan
  35 +                                speeds up (default 55000)
  36 +        poe_fan_temp3_hyst      Temperature delta (in millicelcius) at which
  37                                  the fan slows down (default 5000)
  38
  39