From df4e307b30e23f9d3781b43374ccbdedfc3c982d Mon Sep 17 00:00:00 2001 From: coolsnowwolf Date: Thu, 4 Jul 2024 02:51:44 +0800 Subject: [PATCH] mediatek: fix PWM fan on BPi-R4 for 6.1 kernel --- .../arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts | 9 +++++++++ .../files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 4 ++-- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts b/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts index 74f480e0a..68f30eba6 100644 --- a/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts +++ b/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts @@ -322,6 +322,15 @@ status = "okay"; }; +&pwm { + status = "okay"; +}; + +&fan { + pwms = <&pwm 0 50000>; + status = "okay"; +}; + &ssusb1 { status = "okay"; }; diff --git a/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi index caad6e557..3bc9f08c4 100644 --- a/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi +++ b/target/linux/mediatek/files-6.1/arch/arm64/boot/dts/mediatek/mt7988a.dtsi @@ -149,8 +149,8 @@ fan: pwm-fan { compatible = "pwm-fan"; - /* cooling level (0, 1, 2) : (0% duty, 50% duty, 100% duty) */ - cooling-levels = <0 128 255>; + /* cooling level (0, 1, 2, 3) : (0% duty, 30% duty, 50% duty, 100% duty) */ + cooling-levels = <0 80 128 255>; #cooling-cells = <2>; #thermal-sensor-cells = <1>; status = "disabled";