Add the necessary DT changes for the Rock 5A board to enable support for
the PWM controlled heat sink fan.
Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
index 156c93b22382..ad6fec5514a0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
@@ -47,6 +47,14 @@ io-led {
};
};
+ fan: pwm-fan {
+ compatible = "pwm-fan";
+ cooling-levels = <0 95 145 195 255>;
+ fan-supply = <&vcc_5v0>;
+ pwms = <&pwm3 0 50000 0>;
+ #cooling-cells = <2>;
+ };
+
vcc12v_dcin: vcc12v-dcin {
compatible = "regulator-fixed";
regulator-name = "vcc12v_dcin";
@@ -286,6 +294,12 @@ rtl8211f_rst: rtl8211f-rst {
};
};
+&pwm3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm3m1_pins>;
+ status = "okay";
+};
+
&saradc {
vref-supply = <&avcc_1v8_s0>;
status = "okay";
--
2.40.1
