From: Ondrej Jirman <meg...@megous.com>
Use Xulong Orange Pi One GPIO based regulator for
passive cooling and thermal management.
Signed-off-by: Ondrej Jirman <meg...@megous.com>
---
arch/arm/boot/dts/sun8i-h3-orangepi-one.dts | 39 +++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
index ce4ba91..6bd4367 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
@@ -107,6 +107,45 @@
};
};
+&cpu0 {
+ clocks = <&cpu>;
+ clock-latency = <244144>; /* 8 32k periods */
+ operating-points = <
+ /* kHz uV */
+ 1296000 1300000
+ 1200000 1300000
+ 624000 1100000
+ 480000 1100000
+ 312000 1100000
+ 240000 1100000
+ >;
+ #cooling-cells = <2>;
+ cooling-min-level = <0>;
+ cooling-max-level = <5>;
+ cpu0-supply = <&vdd_soc>;
+};
+
+&cpu_thermal {
+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert0>;
+ cooling-device = <&cpu0 (-1) (-1)>;
+ };
+ };
+
+ trips {
+ cpu_alert0: cpu_alert0 {
+ temperature = <80000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu_crit: cpu_crit {
+ temperature = <100000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
};
&ehci1 {
--
2.9.0
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