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

Alexey Klimov alexey.klimov at linaro.org
Wed Jun 24 18:32:34 PDT 2026


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.

[..]

> +++ b/drivers/thermal/samsung/acpm-tmu.c

[...]

> +static struct platform_driver acpm_tmu_driver = {
> +	.driver = {
> +		.name   = "gs-tmu",

Should it be "gs-tmu" still?
https://lore.kernel.org/linux-samsung-soc/56c1bb6d-54e4-4977-bd88-9ce7a6086b1d@linaro.org/

> +		.pm     = pm_ptr(&acpm_tmu_pm_ops),
> +		.of_match_table = acpm_tmu_match,
> +	},
> +	.probe = acpm_tmu_probe,
> +	.remove = acpm_tmu_remove,
> +};
> +module_platform_driver(acpm_tmu_driver);

Thanks,
Alexey



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