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From: "Alexey Klimov" <alexey.klimov@linaro.org>
To: "Tudor Ambarus" <tudor.ambarus@linaro.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
	"Daniel Lezcano" <daniel.lezcano@linaro.org>,
	"Zhang Rui" <rui.zhang@intel.com>,
	"Lukasz Luba" <lukasz.luba@arm.com>,
	"Rob Herring" <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Krzysztof Kozlowski" <krzk@kernel.org>,
	"Alim Akhtar" <alim.akhtar@samsung.com>,
	"Bartlomiej Zolnierkiewicz" <bzolnier@gmail.com>,
	"Kees Cook" <kees@kernel.org>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	"Peter Griffin" <peter.griffin@linaro.org>,
	"André Draszik" <andre.draszik@linaro.org>,
	willmcvicker@google.com, jyescas@google.com,
	shin.son@samsung.com, linux-samsung-soc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-hardening@vger.kernel.org
Subject: Re: [PATCH v2 0/7] thermal: samsung: Add support for Google GS101 TMU
Date: Sun, 01 Mar 2026 02:57:44 +0000	[thread overview]
Message-ID: <DGR3X53FPO88.3C2UO0HGRVQGF@linaro.org> (raw)
In-Reply-To: <20260119-acpm-tmu-v2-0-e02a834f04c6@linaro.org>

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

[..]

  parent reply	other threads:[~2026-03-01  2:57 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-19 12:08 [PATCH v2 0/7] thermal: samsung: Add support for Google GS101 TMU Tudor Ambarus
2026-01-19 12:08 ` [PATCH v2 1/7] dt-bindings: thermal: Add " Tudor Ambarus
2026-01-21  7:52   ` Krzysztof Kozlowski
2026-03-05  3:48   ` Alexey Klimov
2026-01-19 12:08 ` [PATCH v2 2/7] firmware: samsung: acpm: Add TMU protocol support Tudor Ambarus
2026-02-13 10:07   ` Krzysztof Kozlowski
2026-01-19 12:08 ` [PATCH v2 3/7] firmware: samsung: acpm: Add devm_acpm_get_by_phandle helper Tudor Ambarus
2026-01-19 12:08 ` [PATCH v2 4/7] thermal: samsung: Add support for GS101 TMU Tudor Ambarus
2026-02-13 10:11   ` Krzysztof Kozlowski
2026-03-01  3:33   ` Alexey Klimov
2026-03-02  9:16     ` Tudor Ambarus
2026-01-19 12:08 ` [PATCH v2 5/7] MAINTAINERS: Add entry for Samsung Exynos ACPM thermal driver Tudor Ambarus
2026-02-13 10:12   ` Krzysztof Kozlowski
2026-01-19 12:08 ` [PATCH v2 6/7] arm64: dts: exynos: gs101: Add thermal management unit Tudor Ambarus
2026-02-13 10:13   ` Krzysztof Kozlowski
2026-01-19 12:08 ` [PATCH v2 7/7] arm64: defconfig: enable Exynos ACPM thermal support Tudor Ambarus
2026-02-13 10:14   ` Krzysztof Kozlowski
2026-03-01  2:57 ` Alexey Klimov [this message]
2026-03-02  9:07   ` [PATCH v2 0/7] thermal: samsung: Add support for Google GS101 TMU Tudor Ambarus
2026-03-02 18:30 ` Alexey Klimov
2026-03-03  9:01   ` Tudor Ambarus
2026-04-08 14:49 ` Alexey Klimov

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