[v7,2/3] arm64: dts: mt8183: Configure CPU cooling

[Matthias Brugger]

On 16/03/2021 08:01, Michael Kao wrote:
> From: Matthias Kaehlcke <mka at chromium.org>
> 
> Add two passive trip points at 68°C and 80°C for the CPU temperature.
> 
> Signed-off-by: Matthias Kaehlcke <mka at chromium.org>
> Signed-off-by: Michael Kao <michael.kao at mediatek.com>
> Tested-by: Hsin-Yi Wang <hsinyi at chromium.org>

Applied to v5.12-next/dts64

Thanks.
Matthias



> ---
>  arch/arm64/boot/dts/mediatek/mt8183.dtsi | 56 ++++++++++++++++++++++++
>  1 file changed, 56 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index d3550af06408..1ad0a1d55d53 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -13,6 +13,7 @@
>  #include <dt-bindings/power/mt8183-power.h>
>  #include <dt-bindings/reset-controller/mt8183-resets.h>
>  #include <dt-bindings/phy/phy.h>
> +#include <dt-bindings/thermal/thermal.h>
>  #include "mt8183-pinfunc.h"
>  
>  / {
> @@ -678,6 +679,61 @@
>  				polling-delay = <500>;
>  				thermal-sensors = <&thermal 0>;
>  				sustainable-power = <5000>;
> +
> +				trips {
> +					threshold: trip-point at 0 {
> +						temperature = <68000>;
> +						hysteresis = <2000>;
> +						type = "passive";
> +					};
> +
> +					target: trip-point at 1 {
> +						temperature = <80000>;
> +						hysteresis = <2000>;
> +						type = "passive";
> +					};
> +
> +					cpu_crit: cpu-crit {
> +						temperature = <115000>;
> +						hysteresis = <2000>;
> +						type = "critical";
> +					};
> +				};
> +
> +				cooling-maps {
> +					map0 {
> +						trip = <&target>;
> +						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>;
> +						contribution = <3072>;
> +					};
> +					map1 {
> +						trip = <&target>;
> +						cooling-device = <&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>;
> +						contribution = <1024>;
> +					};
> +				};
>  			};
>  
>  			/* The tzts1 ~ tzts6 don't need to polling */
>