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From 5d90603b09e5814ffc38c47e79ccf9bc564f9296 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Tue, 30 May 2023 22:12:35 +0200
Subject: [PATCH 18/19] arm64: dts: mt7986: add pwm-fan and cooling-maps to
BPI-R3 dts
Add pwm-fan and cooling-maps to BananaPi-R3 devicetree.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230530201235.22330-5-linux@fw-web.de
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
---
.../dts/mediatek/mt7986a-bananapi-bpi-r3.dts | 31 +++++++++++++++++++
1 file changed, 31 insertions(+)
--- a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts
@@ -38,6 +38,15 @@
regulator-always-on;
};
+ fan: pwm-fan {
+ compatible = "pwm-fan";
+ #cooling-cells = <2>;
+ /* cooling level (0, 1, 2) - pwm inverted */
+ cooling-levels = <255 96 0>;
+ pwms = <&pwm 0 10000 0>;
+ status = "okay";
+ };
+
gpio-keys {
compatible = "gpio-keys";
@@ -133,6 +142,28 @@
};
};
+&cpu_thermal {
+ cooling-maps {
+ cpu-active-high {
+ /* active: set fan to cooling level 2 */
+ cooling-device = <&fan 2 2>;
+ trip = <&cpu_trip_active_high>;
+ };
+
+ cpu-active-low {
+ /* active: set fan to cooling level 1 */
+ cooling-device = <&fan 1 1>;
+ trip = <&cpu_trip_active_low>;
+ };
+
+ cpu-passive {
+ /* passive: set fan to cooling level 0 */
+ cooling-device = <&fan 0 0>;
+ trip = <&cpu_trip_passive>;
+ };
+ };
+};
+
&crypto {
status = "okay";
};
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