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Add pwm-fan support to nanopi r4s

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This commit is contained in:
Bochun Bai
2023-06-17 22:47:27 +00:00
committed by Igor
parent 50a7936cad
commit 2c9dbc66c8
2 changed files with 100 additions and 0 deletions
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50
patch/kernel/archive/rockchip64-6.1/board-nanopi-r4s-pwmfan.patch Normal file
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@@ -0,0 +1,50 @@
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
index fe5b52610..a73767594 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
@@ -60,10 +60,45 @@ vdd_5v: vdd-5v {
compatible = "regulator-fixed";
regulator-name = "vdd_5v";
regulator-always-on;
regulator-boot-on;
};
+
+ fan: pwm-fan {
+ compatible = "pwm-fan";
+ cooling-levels = <0 18 102 170 255>;
+ fan-supply = <&vdd_5v>;
+ pwms = <&pwm1 0 50000 0>;
+ };
+};
+
+&cpu_thermal {
+ trips {
+ cpu_warm: cpu_warm {
+ temperature = <55000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+
+ cpu_hot: cpu_hot {
+ temperature = <65000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+ };
+
+ cooling-maps {
+ map2 {
+ trip = <&cpu_warm>;
+ cooling-device = <&fan THERMAL_NO_LIMIT 1>;
+ };
+
+ map3 {
+ trip = <&cpu_hot>;
+ cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
+ };
+ };
};
&emmc_phy {
status = "disabled";
};

50
patch/kernel/archive/rockchip64-6.3/board-nanopi-r4s-pwmfan.patch Normal file
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@@ -0,0 +1,50 @@
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
index fe5b52610..a73767594 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-r4s.dts
@@ -60,10 +60,45 @@ vdd_5v: vdd-5v {
compatible = "regulator-fixed";
regulator-name = "vdd_5v";
regulator-always-on;
regulator-boot-on;
};
+
+ fan: pwm-fan {
+ compatible = "pwm-fan";
+ cooling-levels = <0 18 102 170 255>;
+ fan-supply = <&vdd_5v>;
+ pwms = <&pwm1 0 50000 0>;
+ };
+};
+
+&cpu_thermal {
+ trips {
+ cpu_warm: cpu_warm {
+ temperature = <55000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+
+ cpu_hot: cpu_hot {
+ temperature = <65000>;
+ hysteresis = <2000>;
+ type = "active";
+ };
+ };
+
+ cooling-maps {
+ map2 {
+ trip = <&cpu_warm>;
+ cooling-device = <&fan THERMAL_NO_LIMIT 1>;
+ };
+
+ map3 {
+ trip = <&cpu_hot>;
+ cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
+ };
+ };
};
&emmc_phy {
status = "disabled";
};