| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 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 | |