diff mbox series

[V4,4/4] ARM64: dts: imx: add i.MX8QXP thermal support

Message ID 1543458696-4741-5-git-send-email-Anson.Huang@nxp.com (mailing list archive)
State New, archived
Headers show
Series Add i.MX System Controller thermal driver support | expand

Commit Message

Anson Huang Nov. 29, 2018, 2:37 a.m. UTC
Add i.MX8QXP CPU thermal zone support.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
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(+)

Comments

Eduardo Valentin Nov. 29, 2018, 4:50 p.m. UTC | #1
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 <Anson.Huang@nxp.com>
> ---
> 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 <dt-bindings/firmware/imx/rsrc.h>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/pinctrl/pads-imx8qxp.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  #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";
> +				};

A passive trip but no cooling maps?

> +				cpu_crit0: trip1 {
> +					temperature = <127000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +	};
>  };
> -- 
> 2.7.4
>
Eduardo Valentin Nov. 29, 2018, 4:50 p.m. UTC | #2
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 <Anson.Huang@nxp.com>
> ---
> 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 <dt-bindings/firmware/imx/rsrc.h>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/pinctrl/pads-imx8qxp.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  #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
>
Anson Huang Nov. 30, 2018, 1:11 a.m. UTC | #3
Hi, Eduardo

Best Regards!
Anson Huang

> -----Original Message-----
> From: Eduardo Valentin [mailto:edubezval@gmail.com]
> Sent: 2018年11月30日 0:51
> To: Anson Huang <anson.huang@nxp.com>
> 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 <aisheng.dong@nxp.com>; Andy Gross
> <andy.gross@linaro.org>; 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 <linux-imx@nxp.com>
> Subject: Re: [PATCH V4 4/4] ARM64: dts: imx: add i.MX8QXP thermal support
> 
> 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 <Anson.Huang@nxp.com>
> > ---
> > 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 <dt-bindings/firmware/imx/rsrc.h>  #include
> > <dt-bindings/gpio/gpio.h>  #include
> > <dt-bindings/pinctrl/pads-imx8qxp.h>
> > +#include <dt-bindings/thermal/thermal.h>
> >
> >  #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?

The cpu-freq driver for i.MX8QXP is NOT ready yet, and NOT
sure when it will be ready, so I can NOT test the cooling function now,
that is why I did NOT add the cooling maps, plan to add the CPU cooling
map after cpu-freq is ready.

Anson.

> 
> > +				};
> > +				cpu_crit0: trip1 {
> > +					temperature = <127000>;
> > +					hysteresis = <2000>;
> > +					type = "critical";
> > +				};
> > +			};
> > +		};
> > +	};
> >  };
> > --
> > 2.7.4
> >
diff mbox series

Patch

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 <dt-bindings/firmware/imx/rsrc.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/pinctrl/pads-imx8qxp.h>
+#include <dt-bindings/thermal/thermal.h>
 
 #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";
+				};
+				cpu_crit0: trip1 {
+					temperature = <127000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
 };