arm64: dts: rock 5b: add pwm fan support

Signed-off-by: Ken Wang <[email protected]>
BredOS · Jul 3, 2023 · 7a18a8a · 7a18a8a
1 parent bd64a19
commit 7a18a8a
Showing 1 changed file with 29 additions and 0 deletions.
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
@@ -28,6 +28,13 @@
 
 	/delete-node/ chosen;
 
+	fan0: pwm-fan {
+		compatible = "pwm-fan";
+		#cooling-cells = <2>;
+		cooling-levels = <0 64 128 192 255>;
+		pwms = <&pwm1 0 10000 0>;
+	};
+
 	vcc12v_dcin: vcc12v-dcin {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc12v_dcin";
@@ -949,6 +956,28 @@
 	status = "okay";
 };
 
+&threshold {
+	temperature = <60000>;
+};
+
+&soc_thermal {
+	sustainable-power = <5000>; /* milliwatts */
+	cooling-maps {
+		map3 {
+			trip = <&target>;
+			cooling-device =
+				<&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			contribution = <8192>;
+		};
+		map4 {
+			trip = <&threshold>;
+			cooling-device =
+				<&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			contribution = <8192>;
+		};
+	};
+};
+
 &i2c6 {
 	status = "okay";