[PATCH v8 2/5] thermal: samsung: Add Exynos ACPM TMU driver GS101

[Alexey Klimov]

On Wed Jun 3, 2026 at 2:00 PM BST, Tudor Ambarus wrote:
> Add driver for the Thermal Management Unit (TMU) managed via the Alive
> Clock and Power Manager (ACPM), found on Samsung Exynos SoCs such as
> the Google GS101.
>
> The TMU on the GS101 utilizes a hybrid management model shared between
> the Application Processor (AP) and the ACPM firmware. The driver
> maintains direct memory-mapped access to the TMU interrupt pending
> registers to identify thermal events, while delegating functional
> tasks - such as sensor initialization, threshold configuration, and
> temperature acquisition, to the ACPM firmware via the ACPM IPC
> protocol.
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus at linaro.org>
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at oss.qualcomm.com>

Reviewed-by: Alexey Klimov <alexey.klimov at linaro.org>

> ---
>  drivers/thermal/samsung/Kconfig    |  19 ++
>  drivers/thermal/samsung/Makefile   |   2 +
>  drivers/thermal/samsung/acpm-tmu.c | 651 +++++++++++++++++++++++++++++++++++++
>  3 files changed, 672 insertions(+)

[...]

Best regards,
Alexey