[PATCH v1 1/3] arm: dts: rockchip: rk3288: move thermal sub nodes to dtsi

Kever Yang kever.yang at rock-chips.com
Thu Sep 1 15:06:56 CEST 2022


On 2022/7/30 07:48, Johan Jonker wrote:
> In order to better compare the Linux rk3288.dtsi version
> with the u-boot version move thermal sub nodes to the dtsi
> file and remove rk3288-thermal.dtsi
>
> Changed:
>    replace underscore in nodename
>    remove comments about sensor and ID
>    use gpu phandle
>    add #cooling-cells to gpu node
>    lower critical temparature
>    remove linux,hwmon property
>
> Signed-off-by: Johan Jonker <jbx6244 at gmail.com>

Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/dts/rk3288-thermal.dtsi | 87 --------------------------------
>   arch/arm/dts/rk3288.dtsi         | 74 ++++++++++++++++++++++++++-
>   2 files changed, 73 insertions(+), 88 deletions(-)
>   delete mode 100644 arch/arm/dts/rk3288-thermal.dtsi
>
> diff --git a/arch/arm/dts/rk3288-thermal.dtsi b/arch/arm/dts/rk3288-thermal.dtsi
> deleted file mode 100644
> index 87dd8142..00000000
> --- a/arch/arm/dts/rk3288-thermal.dtsi
> +++ /dev/null
> @@ -1,87 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * Device Tree Source for RK3288 SoC thermal
> - *
> - * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
> - */
> -
> -#include <dt-bindings/thermal/thermal.h>
> -
> -reserve_thermal: reserve_thermal {
> -	polling-delay-passive = <1000>; /* milliseconds */
> -	polling-delay = <5000>; /* milliseconds */
> -
> -			/* sensor	ID */
> -	thermal-sensors = <&tsadc	0>;
> -
> -};
> -
> -cpu_thermal: cpu_thermal {
> -	polling-delay-passive = <100>; /* milliseconds */
> -	polling-delay = <5000>; /* milliseconds */
> -
> -			/* sensor	ID */
> -	thermal-sensors = <&tsadc	1>;
> -	linux,hwmon;
> -
> -	trips {
> -		cpu_alert0: cpu_alert0 {
> -			temperature = <70000>; /* millicelsius */
> -			hysteresis = <2000>; /* millicelsius */
> -			type = "passive";
> -		};
> -		cpu_alert1: cpu_alert1 {
> -			temperature = <75000>; /* millicelsius */
> -			hysteresis = <2000>; /* millicelsius */
> -			type = "passive";
> -		};
> -		cpu_crit: cpu_crit {
> -			temperature = <100000>; /* millicelsius */
> -			hysteresis = <2000>; /* millicelsius */
> -			type = "critical";
> -		};
> -	};
> -
> -	cooling-maps {
> -		map0 {
> -			trip = <&cpu_alert0>;
> -			cooling-device =
> -				<&cpu0 THERMAL_NO_LIMIT 6>;
> -		};
> -		map1 {
> -			trip = <&cpu_alert1>;
> -			cooling-device =
> -				<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> -		};
> -	};
> -};
> -
> -gpu_thermal: gpu_thermal {
> -	polling-delay-passive = <100>; /* milliseconds */
> -	polling-delay = <5000>; /* milliseconds */
> -
> -			/* sensor	ID */
> -	thermal-sensors = <&tsadc	2>;
> -	linux,hwmon;
> -
> -	trips {
> -		gpu_alert0: gpu_alert0 {
> -			temperature = <80000>; /* millicelsius */
> -			hysteresis = <2000>; /* millicelsius */
> -			type = "passive";
> -		};
> -		gpu_crit: gpu_crit {
> -			temperature = <100000>; /* millicelsius */
> -			hysteresis = <2000>; /* millicelsius */
> -			type = "critical";
> -		};
> -	};
> -
> -	cooling-maps {
> -		map0 {
> -			trip = <&gpu_alert0>;
> -			cooling-device =
> -				<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> -		};
> -	};
> -};
> diff --git a/arch/arm/dts/rk3288.dtsi b/arch/arm/dts/rk3288.dtsi
> index 9fb6d86b..c46741b0 100644
> --- a/arch/arm/dts/rk3288.dtsi
> +++ b/arch/arm/dts/rk3288.dtsi
> @@ -339,7 +339,78 @@
>   	};
>   
>   	thermal: thermal-zones {
> -		#include "rk3288-thermal.dtsi"
> +		reserve_thermal: reserve-thermal {
> +			polling-delay-passive = <1000>; /* milliseconds */
> +			polling-delay = <5000>; /* milliseconds */
> +
> +			thermal-sensors = <&tsadc 0>;
> +		};
> +
> +		cpu_thermal: cpu-thermal {
> +			polling-delay-passive = <100>; /* milliseconds */
> +			polling-delay = <5000>; /* milliseconds */
> +
> +			thermal-sensors = <&tsadc 1>;
> +
> +			trips {
> +				cpu_alert0: cpu_alert0 {
> +					temperature = <70000>; /* millicelsius */
> +					hysteresis = <2000>; /* millicelsius */
> +					type = "passive";
> +				};
> +				cpu_alert1: cpu_alert1 {
> +					temperature = <75000>; /* millicelsius */
> +					hysteresis = <2000>; /* millicelsius */
> +					type = "passive";
> +				};
> +				cpu_crit: cpu_crit {
> +					temperature = <90000>; /* millicelsius */
> +					hysteresis = <2000>; /* millicelsius */
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				map0 {
> +					trip = <&cpu_alert0>;
> +					cooling-device =
> +						<&cpu0 THERMAL_NO_LIMIT 6>;
> +				};
> +				map1 {
> +					trip = <&cpu_alert1>;
> +					cooling-device =
> +						<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +				};
> +			};
> +		};
> +
> +		gpu_thermal: gpu-thermal {
> +			polling-delay-passive = <100>; /* milliseconds */
> +			polling-delay = <5000>; /* milliseconds */
> +
> +			thermal-sensors = <&tsadc 2>;
> +
> +			trips {
> +				gpu_alert0: gpu_alert0 {
> +					temperature = <70000>; /* millicelsius */
> +					hysteresis = <2000>; /* millicelsius */
> +					type = "passive";
> +				};
> +				gpu_crit: gpu_crit {
> +					temperature = <90000>; /* millicelsius */
> +					hysteresis = <2000>; /* millicelsius */
> +					type = "critical";
> +				};
> +			};
> +
> +			cooling-maps {
> +				map0 {
> +					trip = <&gpu_alert0>;
> +					cooling-device =
> +						<&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> +				};
> +			};
> +		};
>   	};
>   
>   	tsadc: tsadc at ff280000 {
> @@ -849,6 +920,7 @@
>   			/* 500000 1200000 - See crosbug.com/p/33857 */
>   			600000 1250000
>   		>;
> +		#cooling-cells = <2>; /* min followed by max */
>   		power-domains = <&power RK3288_PD_GPU>;
>   		status = "disabled";
>   	};


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