From mboxrd@z Thu Jan 1 00:00:00 1970 From: rocky.hao@rock-chips.com (Rocky Hao) Date: Thu, 24 Aug 2017 18:27:54 +0800 Subject: [PATCH 4/5] arm: dts: rockchip: add thermal nodes for RV1108 SoC In-Reply-To: <1503570475-7850-1-git-send-email-rocky.hao@rock-chips.com> References: <1503570475-7850-1-git-send-email-rocky.hao@rock-chips.com> Message-ID: <1503570475-7850-5-git-send-email-rocky.hao@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add thermal zone and dynamic CPU power coefficients for RV1108 Signed-off-by: Rocky Hao --- arch/arm/boot/dts/rv1108.dtsi | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi index dbdd8c2180e7..cae920b6a145 100644 --- a/arch/arm/boot/dts/rv1108.dtsi +++ b/arch/arm/boot/dts/rv1108.dtsi @@ -43,6 +43,7 @@ #include #include #include +#include / { #address-cells = <1>; #size-cells = <1>; @@ -69,6 +70,8 @@ device_type = "cpu"; compatible = "arm,cortex-a7"; reg = <0xf00>; + #cooling-cells = <2>; /* min followed by max */ + dynamic-power-coefficient = <75>; }; }; @@ -275,6 +278,43 @@ status = "disabled"; }; + thermal-zones { + soc_thermal: soc-thermal { + polling-delay-passive = <20>; + polling-delay = <1000>; + sustainable-power = <50>; + + thermal-sensors = <&tsadc 0>; + + trips { + threshold: trip-point0 { + temperature = <70000>; + hysteresis = <2000>; + type = "passive"; + }; + target: trip-point1 { + temperature = <85000>; + hysteresis = <2000>; + type = "passive"; + }; + soc_crit: soc-crit { + temperature = <95000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&target>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + contribution = <4096>; + }; + }; + }; + + }; + tsadc: tsadc at 10370000 { compatible = "rockchip,rv1108-tsadc"; reg = <0x10370000 0x100>; -- 1.9.1