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

[Eduardo Valentin]

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@xxxxxxxxxxxx>
> ---
> 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.

>  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@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@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@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@0 {
> +					temperature = <68000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
> +				target: trip-point@1 {
> +					temperature = <85000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
> +				cpu_crit: cpu_crit@0 {
> +					temperature = <115000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				map@0 {
> +					trip = <&target>;
> +					cooling-device = <&cpu0 0 0>;
> +					contribution = <1024>;
> +				};
> +				map@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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