diff options
| author | Frank Wunderlich <frank-w@public-files.de> | 2025-05-16 20:01:41 +0200 |
|---|---|---|
| committer | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2025-05-20 13:25:01 +0200 |
| commit | 0f63e96e2ab422d1d35def1da75d3df299bf503e (patch) | |
| tree | c223a788977e234bca9f8ccc65bfcb0e4a6cce93 | |
| parent | e4950b016c727feb0c39ad12cfcb6182c9ef3814 (diff) | |
arm64: dts: mediatek: mt7988a-bpi-r4: Add fan and coolingmaps
Add Fan and cooling maps for Bananapi-R4 board.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20250516180147.10416-12-linux@fw-web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi index 23b267cd47ac..c6f84de82a4d 100644 --- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi @@ -12,6 +12,15 @@ stdout-path = "serial0:115200n8"; }; + fan: pwm-fan { + compatible = "pwm-fan"; + /* cooling level (0, 1, 2, 3) : (0% duty, 30% duty, 50% duty, 100% duty) */ + cooling-levels = <0 80 128 255>; + #cooling-cells = <2>; + pwms = <&pwm 0 50000>; + status = "okay"; + }; + reg_1p8v: regulator-1p8v { compatible = "regulator-fixed"; regulator-name = "fixed-1.8V"; @@ -73,6 +82,26 @@ type = "active"; }; }; + + cooling-maps { + map-cpu-active-high { + /* active: set fan to cooling level 2 */ + cooling-device = <&fan 3 3>; + trip = <&cpu_trip_active_high>; + }; + + map-cpu-active-med { + /* active: set fan to cooling level 1 */ + cooling-device = <&fan 2 2>; + trip = <&cpu_trip_active_med>; + }; + + map-cpu-active-low { + /* active: set fan to cooling level 0 */ + cooling-device = <&fan 1 1>; + trip = <&cpu_trip_active_low>; + }; + }; }; &i2c0 { |