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100 lines
2.2 KiB
Plaintext
100 lines
2.2 KiB
Plaintext
/dts-v1/;
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/plugin/;
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/ {
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compatible = "brcm,bcm2711";
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fragment@0 {
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target = <&gpio>;
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__overlay__ {
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pwm_pins: pwm_pins {
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brcm,pins = <19>;
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brcm,function = <2>;
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};
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};
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};
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fragment@1 {
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target = <&pwm>;
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__overlay__ {
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pinctrl-names = "default";
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pinctrl-0 = <&pwm_pins>;
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assigned-clock-rates = <100000000>;
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status = "okay";
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};
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};
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fragment@2 {
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target-path = "/";
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__overlay__ {
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fan: pwm-fan {
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compatible = "pwm-fan";
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cooling-min-state = <0>;
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cooling-max-state = <4>;
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#cooling-cells = <2>;
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cooling-levels = <100 125 150 200 255>;
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pwms = <&pwm 1 1000000>;
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status = "okay";
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};
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};
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};
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fragment@3 {
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target = <&cpu_thermal>;
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__overlay__ {
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trips {
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trip0: trip0 {
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temperature = <35000>;
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hysteresis = <2000>;
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type = "active";
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};
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trip1: trip1 {
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temperature = <40000>;
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hysteresis = <2000>;
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type = "active";
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};
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trip2: trip2 {
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temperature = <45000>;
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hysteresis = <2000>;
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type = "active";
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};
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trip3: trip3 {
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temperature = <50000>;
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hysteresis = <5000>;
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type = "active";
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};
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};
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cooling-maps {
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map0 {
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trip = <&trip0>;
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cooling-device = <&fan 0 1>;
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};
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map1 {
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trip = <&trip1>;
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cooling-device = <&fan 1 2>;
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};
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map2 {
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trip = <&trip2>;
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cooling-device = <&fan 2 3>;
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};
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map3 {
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trip = <&trip3>;
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cooling-device = <&fan 3 4>;
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};
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};
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};
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};
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__overrides__ {
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t0 = <&trip0>,"temperature:0";
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t0_hyst = <&trip0>,"hysteresis:0";
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t1 = <&trip1>,"temperature:0";
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t1_hyst = <&trip1>,"hysteresis:0";
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t2 = <&trip2>,"temperature:0";
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t2_hyst = <&trip2>,"hysteresis:0";
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t3 = <&trip3>,"temperature:0";
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t3_hyst = <&trip3>,"hysteresis:0";
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};
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};
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