From mboxrd@z Thu Jan 1 00:00:00 1970 From: leo.yan@linaro.org (Leo Yan) Date: Sat, 20 Feb 2016 23:52:09 +0800 Subject: [PATCH 3/3] arm64: dts: register Hi6220's thermal zone for power allocator In-Reply-To: <1455983529-9559-1-git-send-email-leo.yan@linaro.org> References: <1455983529-9559-1-git-send-email-leo.yan@linaro.org> Message-ID: <1455983529-9559-4-git-send-email-leo.yan@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org With profiling Hi6220's power modeling so get dynamic coefficient and sustainable power. So pass these parameters from DT. Now enable power allocator wit only one actor for CPU part, so directly use cluster0's thermal sensor for monitoring temperature. Signed-off-by: Leo Yan --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 36 +++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 50ba1b0..3608a3e 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -6,6 +6,7 @@ #include #include +#include / { 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 at 1 { @@ -322,5 +324,39 @@ 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 at 0 { + temperature = <65000>; + hysteresis = <1000>; + type = "passive"; + }; + + target: trip-point at 1 { + temperature = <75000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + + cooling-maps { + map0 { + trip = <&target>; + contribution = <1024>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; }; }; -- 1.9.1