diff mbox series

[RFC,6/6] arm64: dts: clearfog-gt-8k: add cooling maps

Message ID E1jIVUU-0005hk-AO@rmk-PC.armlinux.org.uk
State New
Headers show
Series PWM fan support on Clearfog gt8k | expand

Commit Message

Russell King March 29, 2020, 10:48 a.m. UTC
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
 .../marvell/armada-8040-clearfog-gt-8k.dts    | 122 +++++++++++++++++-
 1 file changed, 121 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
index a514ae51ccbf..1e7b47affe26 100644
--- a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
+++ b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
@@ -31,8 +31,11 @@ 
 		ethernet2 = &cp1_eth2;
 	};
 
-	pwm {
+	fan: pwm {
 		compatible = "pwm-fan";
+		/* 20% steps */
+		cooling-levels = <0 51 102 153 204 255>;
+		#cooling-cells = <2>;
 		pwms = <&cp0_gpio2 16 40000>;
 	};
 
@@ -107,6 +110,123 @@ 
 	};
 };
 
+&ap_thermal_ic {
+	polling-delay = <1000>; /* milliseconds */
+	trips {
+		ap_active: trip-active {
+			temperature = <40000>; /* millicelsius */
+			hysteresis = <4000>; /* millicelsius */
+			type = "active";
+		};
+	};
+	cooling-maps {
+		map0 {
+			trip = <&ap_active>;
+			cooling-device = <&fan THERMAL_NO_LIMIT 4>;
+		};
+		map1 {
+			trip = <&ap_crit>;
+			cooling-device = <&fan 4 5>;
+		};
+	};
+};
+
+&cp0_thermal_ic {
+	polling-delay = <1000>; /* milliseconds */
+	trips {
+		cp0_active0: trip-active0 {
+			temperature = <40000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp0_active1: trip-active1 {
+			temperature = <45000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp0_active2: trip-active2 {
+			temperature = <50000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp0_active3: trip-active3 {
+			temperature = <60000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+	};
+	cooling-maps {
+		map0 {
+			trip = <&cp0_active0>;
+			cooling-device = <&fan 0 1>;
+		};
+		map1 {
+			trip = <&cp0_active1>;
+			cooling-device = <&fan 1 2>;
+		};
+		map2 {
+			trip = <&cp0_active2>;
+			cooling-device = <&fan 2 3>;
+		};
+		map3 {
+			trip = <&cp0_active3>;
+			cooling-device = <&fan 3 4>;
+		};
+		map4 {
+			trip = <&cp0_crit>;
+			cooling-device = <&fan 4 5>;
+		};
+	};
+};
+
+&cp1_thermal_ic {
+	polling-delay = <1000>; /* milliseconds */
+	trips {
+		cp1_active0: trip-active0 {
+			temperature = <40000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp1_active1: trip-active1 {
+			temperature = <45000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp1_active2: trip-active2 {
+			temperature = <50000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp1_active3: trip-active3 {
+			temperature = <60000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+	};
+	cooling-maps {
+		map0 {
+			trip = <&cp1_active0>;
+			cooling-device = <&fan 0 1>;
+		};
+		map1 {
+			trip = <&cp1_active1>;
+			cooling-device = <&fan 1 2>;
+		};
+		map2 {
+			trip = <&cp1_active2>;
+			cooling-device = <&fan 2 3>;
+		};
+		map3 {
+			trip = <&cp1_active3>;
+			cooling-device = <&fan 3 4>;
+		};
+		map4 {
+			trip = <&cp1_crit>;
+			cooling-device = <&fan 4 5>;
+		};
+	};
+};
+
 &uart0 {
 	status = "okay";
 	pinctrl-0 = <&uart0_pins>;