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Message-ID: <8f1c7e2b-2fd2-766c-7a75-8464361f7d1d@linaro.org> Date: Tue, 16 Apr 2019 18:18:52 +0200 From: Daniel Lezcano <daniel.lezcano@...aro.org> To: Anson Huang <anson.huang@....com>, "robh+dt@...nel.org" <robh+dt@...nel.org>, "mark.rutland@....com" <mark.rutland@....com>, "shawnguo@...nel.org" <shawnguo@...nel.org>, "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>, "kernel@...gutronix.de" <kernel@...gutronix.de>, "festevam@...il.com" <festevam@...il.com>, "catalin.marinas@....com" <catalin.marinas@....com>, "will.deacon@....com" <will.deacon@....com>, "rui.zhang@...el.com" <rui.zhang@...el.com>, "edubezval@...il.com" <edubezval@...il.com>, Aisheng Dong <aisheng.dong@....com>, "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>, Daniel Baluta <daniel.baluta@....com>, Peng Fan <peng.fan@....com>, "heiko@...ech.de" <heiko@...ech.de>, "horms+renesas@...ge.net.au" <horms+renesas@...ge.net.au>, "agross@...nel.org" <agross@...nel.org>, "olof@...om.net" <olof@...om.net>, "bjorn.andersson@...aro.org" <bjorn.andersson@...aro.org>, "jagan@...rulasolutions.com" <jagan@...rulasolutions.com>, "enric.balletbo@...labora.com" <enric.balletbo@...labora.com>, "marc.w.gonzalez@...e.fr" <marc.w.gonzalez@...e.fr>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org> Cc: dl-linux-imx <linux-imx@....com> Subject: Re: [PATCH V12 5/5] arm64: dts: imx: add i.MX8QXP thermal support On 16/04/2019 05:22, Anson Huang wrote: > Add i.MX8QXP CPU thermal zone support. > > Signed-off-by: Anson Huang <Anson.Huang@....com> Reviewed-by: Daniel Lezcano <daniel.lezcano@...aro.org> > --- > Changes since V11: > - add cooling device for all secondary CPUs. > --- > arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 37 ++++++++++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > index 0683ee2..5eeaddc 100644 > --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > @@ -10,6 +10,7 @@ > #include <dt-bindings/gpio/gpio.h> > #include <dt-bindings/interrupt-controller/arm-gic.h> > #include <dt-bindings/pinctrl/pads-imx8qxp.h> > +#include <dt-bindings/thermal/thermal.h> > > / { > interrupt-parent = <&gic>; > @@ -149,6 +150,11 @@ > rtc: rtc { > compatible = "fsl,imx8qxp-sc-rtc"; > }; > + > + tsens: thermal-sensor { > + compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal"; > + #thermal-sensor-cells = <1>; > + }; > }; > > timer { > @@ -522,4 +528,35 @@ > compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt"; > timeout-sec = <60>; > }; > + > + thermal_zones: thermal-zones { > + cpu-thermal0 { > + polling-delay-passive = <250>; > + polling-delay = <2000>; > + thermal-sensors = <&tsens IMX_SC_R_SYSTEM>; > + trips { > + cpu_alert0: trip0 { > + temperature = <107000>; > + hysteresis = <2000>; > + type = "passive"; > + }; > + cpu_crit0: trip1 { > + temperature = <127000>; > + hysteresis = <2000>; > + type = "critical"; > + }; > + }; > + cooling-maps { > + map0 { > + trip = <&cpu_alert0>; > + cooling-device = > + <&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, > + <&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, > + <&A35_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, > + <&A35_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + > + }; > + }; > + }; > + }; > }; > -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog
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