mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 14:13:16 +00:00
51 lines
1.8 KiB
Diff
51 lines
1.8 KiB
Diff
From a6593a1bc8708f73c424c05c64d49d3868e1bdd5 Mon Sep 17 00:00:00 2001
|
|
From: Serge Schneider <serge@raspberrypi.org>
|
|
Date: Tue, 2 Oct 2018 17:13:48 +0100
|
|
Subject: [PATCH 175/806] overlays: add overrides for PoE HAT fan control
|
|
|
|
Signed-off-by: Serge Schneider <serge@raspberrypi.org>
|
|
---
|
|
arch/arm/boot/dts/overlays/README | 13 ++++++++++---
|
|
arch/arm/boot/dts/overlays/rpi-poe-overlay.dts | 10 ++++++++++
|
|
2 files changed, 20 insertions(+), 3 deletions(-)
|
|
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -1565,9 +1565,16 @@ Params: touchscreen-size-x Touchscr
|
|
|
|
|
|
Name: rpi-poe
|
|
-Info: Raspberry Pi POE HAT
|
|
-Load: dtoverlay=rpi-poe
|
|
-Params: <None>
|
|
+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)
|
|
+ poe_fan_temp0_hyst Temperature delta (in millicelcius) at which
|
|
+ the fan turns off (default 5000)
|
|
+ poe_fan_temp1 Temperature (in millicelcius) at which the fan
|
|
+ speeds up (default 55000)
|
|
+ poe_fan_temp1_hyst Temperature delta (in millicelcius) at which
|
|
+ the fan slows down (default 5000)
|
|
|
|
|
|
Name: rpi-proto
|
|
--- a/arch/arm/boot/dts/overlays/rpi-poe-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/rpi-poe-overlay.dts
|
|
@@ -50,4 +50,14 @@
|
|
};
|
|
};
|
|
};
|
|
+
|
|
+ fragment@2 {
|
|
+ target-path = "/__overrides__";
|
|
+ __overlay__ {
|
|
+ poe_fan_temp0 = <&trip0>,"temperature:0";
|
|
+ poe_fan_temp0_hyst = <&trip0>,"hysteresis:0";
|
|
+ poe_fan_temp1 = <&trip1>,"temperature:0";
|
|
+ poe_fan_temp1_hyst = <&trip1>,"hysteresis:0";
|
|
+ };
|
|
+ };
|
|
};
|