From 62cdf0a06dd5a650e4ca95b6f3a13daa48cf517a Mon Sep 17 00:00:00 2001 From: Chen Wang Date: Wed, 12 Feb 2025 17:42:02 +0800 Subject: [PATCH] riscv: sophgo: dts: add pwm-fan for Milk-V Pioneer Milk-V Pioneer uses fan as cooling-device, and speed of the fan is controlled by the first channel of pwm controller of SG2042. Signed-off-by: Chen Wang Link: https://lore.kernel.org/r/dd23362328f77dd91aa9354848bbb0abad0f554b.1739351437.git.unicorn_wang@outlook.com Signed-off-by: Inochi Amaoto --- arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts index be596d01ff8d..74c997ed8283 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts +++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts @@ -73,6 +73,13 @@ }; / { + pwmfan: pwm-fan { + compatible = "pwm-fan"; + cooling-levels = <103 128 179 230 255>; + pwms = <&pwm 0 40000 0>; + #cooling-cells = <2>; + }; + thermal-zones { soc-thermal { polling-delay-passive = <1000>; -- 2.47.3