From mboxrd@z Thu Jan 1 00:00:00 1970 From: leo.yan@linaro.org (Leo Yan) Date: Tue, 29 Mar 2016 19:27:15 +0800 Subject: [PATCH v3 4/4] arm64: dts: register Hi6220's thermal zone for power allocator In-Reply-To: <1459250835-25561-1-git-send-email-leo.yan@linaro.org> References: <1459250835-25561-1-git-send-email-leo.yan@linaro.org> Message-ID: <1459250835-25561-5-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 with only one actor for CPU part, so directly use cluster0's thermal sensor for monitoring temperature. Reviewed-by: Javi Merino Signed-off-by: Leo Yan --- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 35 +++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 50ba1b0..1c7b133 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 +324,38 @@ 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 = <0>; + type = "passive"; + }; + + target: trip-point at 1 { + temperature = <75000>; + hysteresis = <0>; + type = "passive"; + }; + }; + + cooling-maps { + map0 { + trip = <&target>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; + }; + }; }; }; -- 1.9.1