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[1/2] riscv: sophgo: dts: add pwm-fan for Milk-V Pioneer

Message ID dd23362328f77dd91aa9354848bbb0abad0f554b.1739351437.git.unicorn_wang@outlook.com (mailing list archive)
State Handled Elsewhere
Headers show
Series Add pwm-fan for Milk-V Pioneer | expand

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Commit Message

Chen Wang Feb. 12, 2025, 9:42 a.m. UTC 
From: Chen Wang <unicorn_wang@outlook.com>

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@outlook.com>
---
 arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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>;