diff mbox series

[v2,2/2] arm64: dts: rockchip: rk3588-rock-5b: Add pwm-fan

Message ID 20230404173807.490520-3-cristian.ciocaltea@collabora.com
State New
Headers show
Series Add PWM fan support to Rock 5B board | expand

Commit Message

Cristian Ciocaltea April 4, 2023, 5:38 p.m. UTC 
Add the necessary DT changes for the Rock 5B board to enable support for
the PWM controlled heat sink fan.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Christopher Obbard <chris.obbard@collabora.com>
---
 arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
index 95805cb0adfa..bd74d9da2c17 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -17,6 +17,14 @@  chosen {
 		stdout-path = "serial2:1500000n8";
 	};
 
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		cooling-levels = <0 95 145 195 255>;
+		fan-supply = <&vcc5v0_sys>;
+		pwms = <&pwm1 0 50000 0>;
+		#cooling-cells = <2>;
+	};
+
 	vcc5v0_sys: vcc5v0-sys-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc5v0_sys";
@@ -27,6 +35,10 @@  vcc5v0_sys: vcc5v0-sys-regulator {
 	};
 };
 
+&pwm1 {
+	status = "okay";
+};
+
 &sdhci {
 	bus-width = <8>;
 	no-sdio;