arm64: dts: ls1088a: add one more thermal zone node
diff mbox series

Message ID 20190225030049.20401-1-andy.tang@nxp.com
State New
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Series
  • arm64: dts: ls1088a: add one more thermal zone node
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Commit Message

Andy Tang Feb. 25, 2019, 3 a.m. UTC
Ls1088a has 2 thermal sensors. This patch adds the second node
to dts to enable it.

Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi |   43 +++++++++++++++++++++--
 1 files changed, 39 insertions(+), 4 deletions(-)

Comments

Shawn Guo March 1, 2019, 1:38 p.m. UTC | #1
On Mon, Feb 25, 2019 at 11:00:49AM +0800, Yuantian Tang wrote:
> Ls1088a has 2 thermal sensors. This patch adds the second node
> to dts to enable it.

Can you elaborate on these 2 thermal sensors/zones, ccu and plt?

Shawn

> 
> Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi |   43 +++++++++++++++++++++--
>  1 files changed, 39 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index 661137f..9f52bc9 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -129,19 +129,19 @@
>  	};
>  
>  	thermal-zones {
> -		cpu_thermal: cpu-thermal {
> +		ccu {
>  			polling-delay-passive = <1000>;
>  			polling-delay = <5000>;
>  			thermal-sensors = <&tmu 0>;
>  
>  			trips {
> -				cpu_alert: cpu-alert {
> +				ccu_alert: ccu-alert {
>  					temperature = <85000>;
>  					hysteresis = <2000>;
>  					type = "passive";
>  				};
>  
> -				cpu_crit: cpu-crit {
> +				ccu_crit: ccu-crit {
>  					temperature = <95000>;
>  					hysteresis = <2000>;
>  					type = "critical";
> @@ -150,7 +150,42 @@
>  
>  			cooling-maps {
>  				map0 {
> -					trip = <&cpu_alert>;
> +					trip = <&ccu_alert>;
> +					cooling-device =
> +						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> +						<&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +				};
> +			};
> +		};
> +
> +		plt {
> +			polling-delay-passive = <1000>;
> +			polling-delay = <5000>;
> +			thermal-sensors = <&tmu 1>;
> +
> +			trips {
> +				plt_alert: plt-alert {
> +					temperature = <85000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
> +				plt_crit: plt-crit {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				map0 {
> +					trip = <&plt_alert>;
>  					cooling-device =
>  						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
>  						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> -- 
> 1.7.1
>
Andy Tang March 4, 2019, 2:47 a.m. UTC | #2
> -----Original Message-----
> From: Shawn Guo <shawnguo@kernel.org>
> Sent: 2019年3月1日 21:38
> To: Andy Tang <andy.tang@nxp.com>
> Cc: Leo Li <leoyang.li@nxp.com>; robh+dt@kernel.org; mark.rutland@arm.com;
> linux-arm-kernel@lists.infradead.org; devicetree@vger.kernel.org;
> linux-kernel@vger.kernel.org; linux-pm@vger.kernel.org;
> daniel.lezcano@linaro.org; rui.zhang@intel.com; edubezval@gmail.com
> Subject: Re: [PATCH] arm64: dts: ls1088a: add one more thermal zone node
> 
> On Mon, Feb 25, 2019 at 11:00:49AM +0800, Yuantian Tang wrote:
> > Ls1088a has 2 thermal sensors. This patch adds the second node to dts
> > to enable it.
> 
> Can you elaborate on these 2 thermal sensors/zones, ccu and plt?
> 
OK, thanks.

BR,
Andy  

> Shawn
> 
> >
> > Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
> > ---
> >  arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi |   43
> +++++++++++++++++++++--
> >  1 files changed, 39 insertions(+), 4 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > index 661137f..9f52bc9 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> > @@ -129,19 +129,19 @@
> >  	};
> >
> >  	thermal-zones {
> > -		cpu_thermal: cpu-thermal {
> > +		ccu {
> >  			polling-delay-passive = <1000>;
> >  			polling-delay = <5000>;
> >  			thermal-sensors = <&tmu 0>;
> >
> >  			trips {
> > -				cpu_alert: cpu-alert {
> > +				ccu_alert: ccu-alert {
> >  					temperature = <85000>;
> >  					hysteresis = <2000>;
> >  					type = "passive";
> >  				};
> >
> > -				cpu_crit: cpu-crit {
> > +				ccu_crit: ccu-crit {
> >  					temperature = <95000>;
> >  					hysteresis = <2000>;
> >  					type = "critical";
> > @@ -150,7 +150,42 @@
> >
> >  			cooling-maps {
> >  				map0 {
> > -					trip = <&cpu_alert>;
> > +					trip = <&ccu_alert>;
> > +					cooling-device =
> > +						<&cpu0 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > +						<&cpu1 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > +						<&cpu2 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > +						<&cpu3 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > +						<&cpu4 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > +						<&cpu5 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > +						<&cpu6 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > +						<&cpu7 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>;
> > +				};
> > +			};
> > +		};
> > +
> > +		plt {
> > +			polling-delay-passive = <1000>;
> > +			polling-delay = <5000>;
> > +			thermal-sensors = <&tmu 1>;
> > +
> > +			trips {
> > +				plt_alert: plt-alert {
> > +					temperature = <85000>;
> > +					hysteresis = <2000>;
> > +					type = "passive";
> > +				};
> > +
> > +				plt_crit: plt-crit {
> > +					temperature = <95000>;
> > +					hysteresis = <2000>;
> > +					type = "critical";
> > +				};
> > +			};
> > +
> > +			cooling-maps {
> > +				map0 {
> > +					trip = <&plt_alert>;
> >  					cooling-device =
> >  						<&cpu0 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> >  						<&cpu1 THERMAL_NO_LIMIT
> THERMAL_NO_LIMIT>,
> > --
> > 1.7.1
> >

Patch
diff mbox series

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
index 661137f..9f52bc9 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
@@ -129,19 +129,19 @@ 
 	};
 
 	thermal-zones {
-		cpu_thermal: cpu-thermal {
+		ccu {
 			polling-delay-passive = <1000>;
 			polling-delay = <5000>;
 			thermal-sensors = <&tmu 0>;
 
 			trips {
-				cpu_alert: cpu-alert {
+				ccu_alert: ccu-alert {
 					temperature = <85000>;
 					hysteresis = <2000>;
 					type = "passive";
 				};
 
-				cpu_crit: cpu-crit {
+				ccu_crit: ccu-crit {
 					temperature = <95000>;
 					hysteresis = <2000>;
 					type = "critical";
@@ -150,7 +150,42 @@ 
 
 			cooling-maps {
 				map0 {
-					trip = <&cpu_alert>;
+					trip = <&ccu_alert>;
+					cooling-device =
+						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+
+		plt {
+			polling-delay-passive = <1000>;
+			polling-delay = <5000>;
+			thermal-sensors = <&tmu 1>;
+
+			trips {
+				plt_alert: plt-alert {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+
+				plt_crit: plt-crit {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&plt_alert>;
 					cooling-device =
 						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
 						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,