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Date:   Tue, 19 Feb 2019 17:09:15 -0800
From:   Eduardo Valentin <edubezval@...il.com>
To:     Amit Kucheria <amit.kucheria@...aro.org>
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        bjorn.andersson@...aro.org, andy.gross@...aro.org,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>, devicetree@...r.kernel.org
Subject: Re: [PATCH v1 23/24] arm64: dts: qcom: qcs404: Add thermal zones for
 each sensor

On Thu, Feb 07, 2019 at 04:19:41PM +0530, Amit Kucheria wrote:
> qcs404 has 10 sensors connected to the single TSENS IP. Define a thermal
> zone for each of those sensors to expose the temperature of each zone.
> 
> Signed-off-by: Amit Kucheria <amit.kucheria@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/qcs404.dtsi | 243 +++++++++++++++++++++++++++
>  1 file changed, 243 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> index 57d14d8f0c90..ca99c45864df 100644
> --- a/arch/arm64/boot/dts/qcom/qcs404.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> @@ -3,6 +3,7 @@
>  
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/clock/qcom,gcc-qcs404.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  / {
>  	interrupt-parent = <&intc>;
> @@ -30,6 +31,7 @@
>  			reg = <0x100>;
>  			enable-method = "psci";
>  			next-level-cache = <&L2_0>;
> +			#cooling-cells= <2>;
>  		};
>  
>  		CPU1: cpu@101 {
> @@ -38,6 +40,7 @@
>  			reg = <0x101>;
>  			enable-method = "psci";
>  			next-level-cache = <&L2_0>;
> +			#cooling-cells= <2>;
>  		};
>  
>  		CPU2: cpu@102 {
> @@ -46,6 +49,7 @@
>  			reg = <0x102>;
>  			enable-method = "psci";
>  			next-level-cache = <&L2_0>;
> +			#cooling-cells= <2>;
>  		};
>  
>  		CPU3: cpu@103 {
> @@ -54,6 +58,7 @@
>  			reg = <0x103>;
>  			enable-method = "psci";
>  			next-level-cache = <&L2_0>;
> +			#cooling-cells= <2>;
>  		};
>  
>  		L2_0: l2-cache {
> @@ -507,4 +512,242 @@
>  			#interrupt-cells = <2>;
>  		};
>  	};
> +
> +	thermal-zones {

There are several zones with passive trips and no cooling maps.

> +		aoss-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 0>;
> +
> +			trips {
> +				aoss_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				aoss_crit: aoss_crit {
> +					temperature = <110000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +
> +		dsp-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 1>;
> +
> +			trips {
> +				dsp_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				dsp_crit: dsp_crit {
> +					temperature = <110000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +
> +		lpass-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 2>;
> +
> +			trips {
> +				lpass_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				lpass_crit: lpass_crit {
> +					temperature = <110000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +
> +		wlan-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 3>;
> +
> +			trips {
> +				wlan_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				wlan_crit: wlan_crit {
> +					temperature = <110000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +
> +		cluster-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 4>;
> +
> +			trips {
> +				cluster_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cluster_crit: cluster_crit {
> +					temperature = <110000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +
> +		cpu0-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 5>;
> +
> +			trips {
> +				cpu0_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cpu0_crit: cpu_crit {
> +					temperature = <110000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +			cooling-maps {
> +				map0 {
> +					trip = <&cpu0_alert0>;
> +					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>;
> +				};
> +			};
> +		};
> +
> +		cpu1-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 6>;
> +
> +			trips {
> +				cpu1_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cpu1_crit: cpu_crit {
> +					temperature = <110000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +			cooling-maps {
> +				map0 {
> +					trip = <&cpu1_alert0>;
> +					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>;
> +				};
> +			};
> +		};
> +
> +		cpu2-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 7>;
> +
> +			trips {
> +				cpu2_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cpu2_crit: cpu_crit {
> +					temperature = <110000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +			cooling-maps {
> +				map0 {
> +					trip = <&cpu2_alert0>;
> +					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>;
> +				};
> +			};
> +		};
> +
> +		cpu3-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 8>;
> +
> +			trips {
> +				cpu3_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				cpu3_crit: cpu_crit {
> +					temperature = <110000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +			cooling-maps {
> +				map0 {
> +					trip = <&cpu3_alert0>;
> +					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>;
> +				};
> +			};
> +		};
> +
> +		gpu-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <1000>;
> +
> +			thermal-sensors = <&tsens 9>;
> +
> +			trips {
> +				gpu_alert0: trip-point@0 {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +				gpu_crit: gpu_crit {
> +					temperature = <95000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +			};
> +		};
> +	};
>  };
> -- 
> 2.17.1
> 

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