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STM32MP1 internal temp sensor support removed from latest kernels?

Grodriguez
Senior

Previous kernel versions had support for the STM32MP1 internal temp sensor. See:

Apparently this has been removed in later kernels. Isn't this supported anymore ?

Thanks,

Guillermo

1 REPLY 1
OlivierK
ST Employee

Hi Grodriguez (Community Member),

The ADC temp sensor support has been removed from OpenSTLinux versions > 1.2.0, however you can use instead the Digital temperature sensor which is much more accurate.

https://github.com/STMicroelectronics/linux/blob/v5.4-stm32mp/arch/arm/boot/dts/stm32mp151.dtsi

https://github.com/STMicroelectronics/linux/blob/v5.4-stm32mp/Documentation/devicetree/bindings/thermal/stm32-thermal.txt

Regards,

Olivier