[PATCH v1 4/4] arm64: dts: imx93: Add CPU thermal zone

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Fri Jan 6 04:53:26 PST 2023


On 05/01/2023 11:17, Alice Guo (OSS) wrote:
> From: Alice Guo <alice.guo at nxp.com>
> 
> Add CPU thermal zone and attach it to the TMU which monitors the CPU
> temperature.
> 
> Signed-off-by: Alice Guo <alice.guo at nxp.com>
> Reviewed-by: Jacky Bai <ping.bai at nxp.com>
> Reviewed-by: Ye Li <ye.li at nxp.com>
> Signed-off-by: Dong Aisheng <aisheng.dong at nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx93.dtsi | 48 ++++++++++++++++++++++++
>  1 file changed, 48 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts/freescale/imx93.dtsi
> index 6808321ed809..60306f3c5e7f 100644
> --- a/arch/arm64/boot/dts/freescale/imx93.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
> @@ -8,6 +8,7 @@
>  #include <dt-bindings/input/input.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
>  #include <dt-bindings/power/fsl,imx93-power.h>
> +#include <dt-bindings/thermal/thermal.h>
>  
>  #include "imx93-pinfunc.h"
>  
> @@ -116,6 +117,38 @@
>  		interrupt-parent = <&gic>;
>  	};
>  
> +	thermal-zones {
> +		cpu-thermal {
> +			polling-delay-passive = <250>;
> +			polling-delay = <2000>;
> +
> +			thermal-sensors = <&tmu 0>;
> +
> +			trips {
> +				cpu_alert: cpu-alert {
> +					temperature = <80000>;
> +					hysteresis = <2000>;
> +					type = "passive";
> +				};
> +
> +				cpu_crit: cpu-crit {
> +					temperature = <90000>;
> +					hysteresis = <2000>;
> +					type = "critical";
> +				};
> +		};

Wrong indentation.

Best regards,
Krzysztof




More information about the linux-arm-kernel mailing list