From: Chen Wang <unicorn_wang@xxxxxxxxxxx>
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 <unicorn_wang@xxxxxxxxxxx>
---
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 @@ &uart0 {
};
/ {
+ 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>;
--
2.34.1
