From mboxrd@z Thu Jan 1 00:00:00 1970 From: dawei.chien@mediatek.com (Dawei Chien) Date: Fri, 4 Sep 2015 17:01:49 +0800 Subject: [PATCH 2/2] arm64: dts: mt8173: Add thermal zone node for mt8173. In-Reply-To: <1441357309-61669-1-git-send-email-dawei.chien@mediatek.com> References: <1441357309-61669-1-git-send-email-dawei.chien@mediatek.com> Message-ID: <1441357309-61669-3-git-send-email-dawei.chien@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add thermal zone node to mt8173.dtsi. Signed-off-by: Dawei Chien --- This patch is base on following patches https://patchwork.kernel.org/patch/6969581/ https://patchwork.kernel.org/patch/6969571/ https://patchwork.kernel.org/patch/6969381/ --- arch/arm64/boot/dts/mediatek/mt8173.dtsi | 44 ++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi index 208051a..6493bfd 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -17,6 +17,7 @@ #include #include #include "mt8173-pinfunc.h" +#include / { compatible = "mediatek,mt8173"; @@ -116,6 +117,49 @@ clock-output-names = "clk32k"; }; + thermal-zones { + cpu_thermal: cpu_thermal { + polling-delay-passive = <1000>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + thermal-sensors = <&thermal MT8173_THERMAL_ZONE_CA57>; + sustainable-power = <1500>; + + trips { + threshold: trip-point at 0 { + temperature = <68000>; + hysteresis = <2000>; + type = "passive"; + }; + + target: trip-point at 1 { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + + cpu_crit: cpu_crit at 0 { + temperature = <115000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map at 0 { + trip = <&target>; + cooling-device = <&cpu0 0 0>; + contribution = <1024>; + }; + map at 1 { + trip = <&target>; + cooling-device = <&cpu2 0 0>; + contribution = <2048>; + }; + }; + }; + }; + timer { compatible = "arm,armv8-timer"; interrupt-parent = <&gic>; -- 1.7.9.5