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Thu, 29 Nov 2018 08:50:44 -0800 (PST) Date: Thu, 29 Nov 2018 08:50:41 -0800 From: Eduardo Valentin To: Anson Huang Cc: "rui.zhang@intel.com" , "daniel.lezcano@linaro.org" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" , Aisheng DONG , Andy Gross , "heiko@sntech.de" , "horms+renesas@verge.net.au" , "arnd@arndb.de" , "amit.kucheria@linaro.org" , "enric.balletbo@collabora.com" , "ezequiel@collabora.com" , "olof@lixom.net" , "bjorn.andersson@linaro.org" , "shawnguo@kernel.org" , "LW@KARO-electronics.de" , "linux-pm@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , dl-linux-imx Subject: Re: [PATCH V4 4/4] ARM64: dts: imx: add i.MX8QXP thermal support Message-ID: <20181129165040.GD2688@localhost.localdomain> References: <1543458696-4741-1-git-send-email-Anson.Huang@nxp.com> <1543458696-4741-5-git-send-email-Anson.Huang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1543458696-4741-5-git-send-email-Anson.Huang@nxp.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 29, 2018 at 02:37:47AM +0000, Anson Huang wrote: > Add i.MX8QXP CPU thermal zone support. > > Signed-off-by: Anson Huang > --- > ChangeLog: > V3->V4: > *move the tsens node to inside of SCU node as it is belonging to SCU. > --- > arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 27 +++++++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > index 9b08688..48f622c 100644 > --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > @@ -9,6 +9,7 @@ > #include > #include > #include > +#include > > #include "imx8-ca35.dtsi" > > @@ -87,6 +88,12 @@ > rtc: rtc { > compatible = "fsl,imx8qxp-sc-rtc"; > }; > + > + tsens: thermal-sensor { > + compatible = "fsl,imx8qxp-sc-thermal"; > + tsens-num = <1>; > + #thermal-sensor-cells = <1>; > + }; > }; > > adma_subsys: bus@59000000 { > @@ -410,4 +417,24 @@ > #size-cells = <1>; > ranges = <0x5f000000 0x0 0x5f000000 0x1000000>; > }; > + > + thermal_zones: thermal-zones { > + cpu-thermal0 { > + polling-delay-passive = <250>; > + polling-delay = <2000>; > + thermal-sensors = <&tsens 355>; > + trips { > + cpu_alert0: trip0 { > + temperature = <107000>; > + hysteresis = <2000>; > + type = "passive"; Passive, but yet no cooling maps? > + }; > + cpu_crit0: trip1 { > + temperature = <127000>; > + hysteresis = <2000>; > + type = "critical"; > + }; > + }; > + }; > + }; > }; > -- > 2.7.4 >