[PATCH 14/14] ARM: dts: sun8i: Enable DVFS on Orange Pi One
From: <hidden>
Date: 2016-06-23 19:35:21
Also in:
linux-arm-kernel, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Ondrej Jirman <redacted> Use Xulong Orange Pi One GPIO based regulator for passive cooling and thermal management. Signed-off-by: Ondrej Jirman <redacted> --- 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 {
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2.9.0