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