diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2571.dts b/arch/arm64/boot/dts/nvidia/tegra210-p2571.dts index e2a347e57215..7f14e8a394c2 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p2571.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p2571.dts @@ -1300,4 +1300,78 @@ }; }; }; + + fan: pwm-fan { + compatible = "pwm-fan"; + pwms = <&pwm 3 45334>; + fan-supply = <&vdd_fan>; + interrupt-parent = <&gpio>; + interrupts = ; + + cooling-levels = <0 64 128 255>; + #cooling-cells = <2>; + }; + + vdd_fan: regulator-vdd-fan { + compatible = "regulator-fixed"; + regulator-name = "VDD_FAN"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio TEGRA_GPIO(E, 4) GPIO_ACTIVE_LOW>; + enable-active-high; + + regulator-enable-ramp-delay = <284>; + }; + + thermal-zones { + cpu-thermal { + trips { + cpu_trip_critical: critical { + temperature = <96500>; + hysteresis = <0>; + type = "critical"; + }; + + cpu_trip_hot: hot { + temperature = <70000>; + hysteresis = <2000>; + type = "hot"; + }; + + cpu_trip_active: active { + temperature = <50000>; + hysteresis = <2000>; + type = "active"; + }; + + cpu_trip_passive: passive { + temperature = <30000>; + hysteresis = <2000>; + type = "passive"; + }; + }; + + cooling-maps { + map0 { + cooling-device = <&fan 3 3>; + trip = <&cpu_trip_critical>; + }; + + map1 { + cooling-device = <&fan 2 2>; + trip = <&cpu_trip_hot>; + }; + + map2 { + cooling-device = <&fan 1 1>; + trip = <&cpu_trip_active>; + }; + + map3 { + cooling-device = <&fan 0 0>; + trip = <&cpu_trip_passive>; + }; + }; + }; + }; };