51 lines
1.0 KiB
Diff
51 lines
1.0 KiB
Diff
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diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
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index fe5b52610..a73767594 100644
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--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
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@@ -60,10 +60,45 @@ vdd_5v: vdd-5v {
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compatible = "regulator-fixed";
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regulator-name = "vdd_5v";
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regulator-always-on;
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regulator-boot-on;
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};
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+
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+ fan: pwm-fan {
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+ compatible = "pwm-fan";
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+ cooling-levels = <0 18 102 170 255>;
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+ fan-supply = <&vdd_5v>;
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+ pwms = <&pwm1 0 50000 0>;
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+ };
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+};
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+
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+&cpu_thermal {
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+ trips {
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+ cpu_warm: cpu_warm {
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+ temperature = <55000>;
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+ hysteresis = <2000>;
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+ type = "active";
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+ };
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+
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+ cpu_hot: cpu_hot {
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+ temperature = <65000>;
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+ hysteresis = <2000>;
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+ type = "active";
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+ };
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+ };
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+
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+ cooling-maps {
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+ map2 {
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+ trip = <&cpu_warm>;
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+ cooling-device = <&fan THERMAL_NO_LIMIT 1>;
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+ };
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+
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+ map3 {
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+ trip = <&cpu_hot>;
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+ cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
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+ };
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+ };
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};
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&emmc_phy {
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status = "disabled";
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};
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