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DO NOT CLICK links or attac= hments unless you recognize the sender and know the content is safe. On 22-04-19, 07:09, Andy Tang wrote: > Hi Viresh, > > Sorry to bother you. I have a question, hope I can get you help. > Here it is: > > I want to add multiple "Thermal Zone" support in dts ( driver is ready). > The final dts looks like below: > > thermal-zones { > cpu_thermal: cpu-thermal { > polling-delay-passive =3D <1000>; > polling-delay =3D <5000>; > thermal-sensors =3D <&tmu 0>; > > trips { > ccu_alert: ccu-alert { > temperature =3D <85000>; > hysteresis =3D <2000>; > type =3D "passive"; > }; > ccu_crit: ccu-crit { > temperature =3D <95000>; > hysteresis =3D <2000>; > type =3D "critical"; > cooling-maps { > map0 { > trip =3D <&ccu_alert>; > cooling-device =3D > <&cpu0 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu1 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu2 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu3 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu4 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu5 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu6 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu7 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>; > }; > }; > }; > platform { > polling-delay-passive =3D <1000>; > polling-delay =3D <5000>; > thermal-sensors =3D <&tmu 1>; > trips { > plt_alert: plt-alert { > temperature =3D <85000>; > hysteresis =3D <2000>; > type =3D "passive"; > }; > plt_crit: plt-crit { > temperature =3D <95000>; > hysteresis =3D <2000>; > type =3D "critical"; > }; > }; > cooling-maps { > map0 { > trip =3D <&plt_alert>; > cooling-device =3D > <&cpu0 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu1 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu2 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu3 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu4 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu5 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu6 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>, > <&cpu7 THERMAL_NO_LIMIT T= HERMAL_NO_LIMIT>; > } > } > > Here we have 2 thermal zones, but both map cpu0-7 as cooling device. I h= ave tested and didn't find any issues. > My query is: is it allowed to map same device as "cooling device" to more= than one "thermal zone"? That should be fine IMO. -- viresh --_002_VI1PR04MB4333D24227603D1497BA3CB9F30C0VI1PR04MB4333eurp_--