[PATCH v2 5/5] arm64: dts: register Hi6220's thermal zone for power allocator
From: Leo Yan <hidden>
Date: 2016-02-26 03:46:36
Also in:
linux-arm-kernel, linux-pm, lkml
Subsystem:
arm/hisilicon soc support, the rest · Maintainers:
Wei Xu, Linus Torvalds
With profiling Hi6220's power modeling so get dynamic coefficient and sustainable power. So pass these parameters from DT. Now enable power allocator with only one actor for CPU part, so directly use cluster0's thermal sensor for monitoring temperature. Reviewed-by: Javi Merino <redacted> Signed-off-by: Leo Yan <redacted> --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 33 +++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
index 50ba1b0..d8b963c 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi@@ -6,6 +6,7 @@ #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/clock/hi6220-clock.h> +#include <dt-bindings/thermal/thermal.h> / { compatible = "hisilicon,hi6220";
@@ -87,6 +88,7 @@ cooling-max-level = <0>; #cooling-cells = <2>; /* min followed by max */ cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>; + dynamic-power-coefficient = <311>; }; cpu1: cpu@1 {
@@ -322,5 +324,36 @@ clock-names = "thermal_clk"; #thermal-sensor-cells = <1>; }; + + thermal-zones { + + cls0: cls0 { + polling-delay = <1000>; + polling-delay-passive = <100>; + sustainable-power = <3326>; + + /* sensor ID */ + thermal-sensors = <&tsensor 2>; + + trips { + threshold: trip-point@0 { + temperature = <65000>; + type = "passive"; + }; + + target: trip-point@1 { + temperature = <75000>; + type = "passive"; + }; + }; + + cooling-maps { + map0 { + trip = <&target>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; }; };
--
1.9.1