From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Anson Huang <Anson.Huang@nxp.com>
Cc: robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org,
rui.zhang@intel.com, amit.kucheria@verdurent.com,
aisheng.dong@nxp.com, linux@roeck-us.net,
srinivas.kandagatla@linaro.org, krzk@kernel.org,
fugang.duan@nxp.com, peng.fan@nxp.com, daniel.baluta@nxp.com,
bjorn.andersson@linaro.org, olof@lixom.net, dinguyen@kernel.org,
leonard.crestez@nxp.com, marcin.juszkiewicz@linaro.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org,
Linux-imx@nxp.com
Subject: Re: [PATCH V15 RESEND 5/5] arm64: dts: imx: add i.MX8QXP thermal support
Date: Fri, 21 Feb 2020 14:04:48 +0100 [thread overview]
Message-ID: <20200221130448.GC10516@linaro.org> (raw)
In-Reply-To: <1582161028-2844-5-git-send-email-Anson.Huang@nxp.com>
On Thu, Feb 20, 2020 at 09:10:28AM +0800, Anson Huang wrote:
> Add i.MX8QXP CPU thermal zone support.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---
> No change.
> ---
> arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 36 ++++++++++++++++++++++++++++++
> 1 file changed, 36 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> index fb5f752..0a14fe4 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
> @@ -11,6 +11,7 @@
> #include <dt-bindings/input/input.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>;
> @@ -189,6 +190,11 @@
> compatible = "fsl,imx8qxp-sc-wdt", "fsl,imx-sc-wdt";
> timeout-sec = <60>;
> };
> +
> + tsens: thermal-sensor {
> + compatible = "fsl,imx8qxp-sc-thermal", "fsl,imx-sc-thermal";
> + #thermal-sensor-cells = <1>;
> + };
> };
>
> timer {
> @@ -586,4 +592,34 @@
> #clock-cells = <1>;
> };
> };
> +
> + 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";
> + };
May be you can add a 'hot' trip point before 'critical' for future use before
reaching the emergency shutdown.
> + 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>;
> + };
> + };
> + };
> + };
> };
> --
> 2.7.4
>
--
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next prev parent reply other threads:[~2020-02-21 13:04 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-20 1:10 [PATCH V15 RESEND 1/5] dt-bindings: fsl: scu: add thermal binding Anson Huang
2020-02-20 1:10 ` [PATCH V15 RESEND 2/5] thermal: of-thermal: add API for getting sensor ID from DT Anson Huang
2020-02-21 9:11 ` Daniel Lezcano
2020-02-21 9:26 ` Anson Huang
2020-02-21 13:12 ` Daniel Lezcano
2020-02-20 1:10 ` [PATCH V15 RESEND 3/5] thermal: imx_sc: add i.MX system controller thermal support Anson Huang
2020-02-21 12:53 ` Daniel Lezcano
2020-02-21 23:46 ` Anson Huang
2020-02-22 7:39 ` Daniel Lezcano
2020-02-20 1:10 ` [PATCH V15 RESEND 4/5] defconfig: arm64: " Anson Huang
2020-02-20 1:10 ` [PATCH V15 RESEND 5/5] arm64: dts: imx: add i.MX8QXP " Anson Huang
2020-02-21 13:04 ` Daniel Lezcano [this message]
2020-02-21 23:53 ` Anson Huang
2020-02-22 7:51 ` Daniel Lezcano
2020-02-22 12:19 ` Anson Huang
2020-02-21 13:05 ` Daniel Lezcano
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