[PATCH 0/2] arm64: dts: st: add digital temperature sensor on stm32mp25
Alexandre TORGUE
alexandre.torgue at foss.st.com
Mon Sep 28 06:00:21 PDT 2026
Hi Mateusz
On 9/24/26 21:23, Mateusz Nowicki wrote:
> This series describes the digital temperature sensor (DTS) of the
> STM32MP25, a Moortec MR75203 PVT controller, and enables its hwmon
> driver in the arm64 defconfig. Thermal zones will follow in a separate
> series once this one is applied.
>
> Tested on the STM32MP257F-DK. Temperature sensor 1 follows the CPU
> load. Two voltage monitor channels, in0 and in2, read about 815 mV. The
> other 14 read 1 mV.
>
> Questions for ST:
> - The process detector and voltage monitor blocks are not in the
> reference manual. Are they at offsets 0x180 and 0x400, as found on
> the board? The downstream kernel places the process detector at
> 0x200, where no register responds on the DK.
> - Which supplies are connected to the voltage monitor channels? With
> this information, moortec,vm-active-channels could be added.
>
> Mateusz Nowicki (2):
> arm64: dts: st: add digital temperature sensor on stm32mp251
> arm64: defconfig: enable Moortec MR75203 PVT controller
>
> arch/arm64/boot/dts/st/stm32mp251.dtsi | 15 +++++++++++++++
> arch/arm64/configs/defconfig | 1 +
> 2 files changed, 16 insertions(+)
>
>
> base-commit: 2f92d900f262a16c8ae02daf53ae2910d07185f5
Applied on stm32-next.
regards
Alex
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