Re: [PATCH v2 0/7] thermal: samsung: Add support for Google GS101 TMU

Alexey Klimov
2026-03-01T02:57:48Z

On Mon Jan 19, 2026 at 12:08 PM GMT, Tudor Ambarus wrote:
> Add support for the Thermal Management Unit (TMU) on the Google GS101
> SoC.
>
> The GS101 TMU implementation utilizes a hybrid architecture where
> management is shared between the kernel and the Alive Clock and
> Power Manager (ACPM) firmware.

[..]

> Sensor Mapping (One-to-Many)
> ============================
>
> The SoC contains multiple physical temperature sensors, but the ACPM
> firmware abstracts these into logical groups (Clusters) for reporting:
>
> - ACPM Sensor 0 (Big Cluster): Aggregates physical sensors 0, 6, 7, 8, 9.
> - ACPM Sensor 1 (Mid Cluster): Aggregates physical sensors 4, 5.
> - ACPM Sensor 2 (Little Cluster): Aggregates physical sensors 1, 2.

What about other non-CPU devices? Are there no sensors or implementation
currently doesn't support them?

Is this implementation and ACPM TMU support exclusive only to GS101 SoC?
IIRC, mapping could be different for other SoCs and, for instance, last
sensors could be non-CPU devices.

Best regards,
Alexey

[..]