[PATCH v3 2/2] arm64: dts: mt8173: Add thermal zone node for mt8173.

dawei chien dawei.chien at mediatek.com
Thu Nov 5 03:10:50 PST 2015


On Wed, 2015-11-04 at 11:41 -0800, Eduardo Valentin wrote:
> On Thu, Oct 22, 2015 at 08:02:39PM +0800, Dawei Chien wrote:
> > Add thermal zone node to mt8173.dtsi.
> > 
> > Signed-off-by: Dawei Chien <dawei.chien at mediatek.com>
> > ---
> > This patch is base on
> > https://patchwork.kernel.org/patch/7249821/
> > https://patchwork.kernel.org/patch/7249861/
> > https://patchwork.kernel.org/patch/7249891/
> > ---
> >  arch/arm64/boot/dts/mediatek/mt8173.dtsi |   90 ++++++++++++++++++++++++++++++
> 
> This patch adds also the static / dynamic power models too. Can you
> please split this patch in two: one for the thermal zones, one for the
> models.

Thank you for reviewing, I will split this patch in two and resend
again.

> >  1 file changed, 90 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> > index 3b18f37..eaf12bf 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> > @@ -16,6 +16,7 @@
> >  #include <dt-bindings/interrupt-controller/arm-gic.h>
> >  #include <dt-bindings/power/mt8173-power.h>
> >  #include <dt-bindings/reset-controller/mt8173-resets.h>
> > +#include <dt-bindings/thermal/mt8173.h>
> >  #include "mt8173-pinfunc.h"
> >  
> >  / {
> > @@ -54,6 +55,18 @@
> >  			reg = <0x000>;
> >  			enable-method = "psci";
> >  			cpu-idle-states = <&CPU_SLEEP_0>;
> > +			static-power-points = <
> > +				859000  43
> > +				908000  52
> > +				983000  86
> > +				1009000 123
> > +				1028000 138
> > +				1083000 172
> > +				1110900 180
> > +				1125000 192
> > +			>;
> > +			dynamic-power-coefficient = <263>;
> > +			#cooling-cells = <2>;
> >  		};
> >  
> >  		cpu1: cpu at 1 {
> > @@ -62,6 +75,17 @@
> >  			reg = <0x001>;
> >  			enable-method = "psci";
> >  			cpu-idle-states = <&CPU_SLEEP_0>;
> > +			static-power-points = <
> > +				859000  43
> > +				908000  52
> > +				983000  86
> > +				1009000 123
> > +				1028000 138
> > +				1083000 172
> > +				1110900 180
> > +				1125000 192
> > +			>;
> > +			dynamic-power-coefficient = <263>;
> >  		};
> >  
> >  		cpu2: cpu at 100 {
> > @@ -70,6 +94,18 @@
> >  			reg = <0x100>;
> >  			enable-method = "psci";
> >  			cpu-idle-states = <&CPU_SLEEP_0>;
> > +			static-power-points = <
> > +				828000  72
> > +				867000  90
> > +				927000  156
> > +				968000  181
> > +				1007000 298
> > +				1049000 435
> > +				1089900 533
> > +				1125000 533
> > +			>;
> > +			dynamic-power-coefficient = <530>;
> > +			#cooling-cells = <2>;
> >  		};
> >  
> >  		cpu3: cpu at 101 {
> > @@ -78,6 +114,17 @@
> >  			reg = <0x101>;
> >  			enable-method = "psci";
> >  			cpu-idle-states = <&CPU_SLEEP_0>;
> > +			static-power-points = <
> > +				828000  72
> > +				867000  90
> > +				927000  156
> > +				968000  181
> > +				1007000 298
> > +				1049000 435
> > +				1089900 533
> > +				1125000 533
> > +			>;
> > +			dynamic-power-coefficient = <530>;
> >  		};
> >  
> >  		idle-states {
> > @@ -116,6 +163,49 @@
> >  		clock-output-names = "clk32k";
> >  	};
> >  
> > +	thermal-zones {
> > +		cpu_thermal: cpu_thermal {
> > +			polling-delay-passive = <1000>; /* milliseconds */
> > +			polling-delay = <1000>; /* milliseconds */
> > +
> > +			thermal-sensors = <&thermal MT8173_THERMAL_ZONE_CA57>;
> > +			sustainable-power = <1500>;
> > +
> > +			trips {
> > +				threshold: trip-point at 0 {
> > +					temperature = <68000>;
> > +					hysteresis = <2000>;
> > +					type = "passive";
> > +				};
> > +
> > +				target: trip-point at 1 {
> > +					temperature = <85000>;
> > +					hysteresis = <2000>;
> > +					type = "passive";
> > +				};
> > +
> > +				cpu_crit: cpu_crit at 0 {
> > +					temperature = <115000>;
> > +					hysteresis = <2000>;
> > +					type = "critical";
> > +				};
> > +			};
> > +
> > +			cooling-maps {
> > +				map at 0 {
> > +					trip = <&target>;
> > +					cooling-device = <&cpu0 0 0>;
> > +					contribution = <1024>;
> > +				};
> > +				map at 1 {
> > +					trip = <&target>;
> > +					cooling-device = <&cpu2 0 0>;
> > +					contribution = <2048>;
> > +				};
> > +			};
> > +		};
> > +	};
> > +
> >  	timer {
> >  		compatible = "arm,armv8-timer";
> >  		interrupt-parent = <&gic>;
> > -- 
> > 1.7.9.5
> > 
> > --
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