linux-kernel - [PATCH v3 0/3] Add exynosautov920 thermal support

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Message-ID: <20250915040715.486733-1-shin.son@samsung.com>
Date: Mon, 15 Sep 2025 13:07:12 +0900
From: Shin Son <shin.son@...sung.com>
To: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>, Krzysztof Kozlowski
	<krzk@...nel.org>, "Rafael J . Wysocki" <rafael@...nel.org>, Daniel Lezcano
	<daniel.lezcano@...aro.org>, Zhang Rui <rui.zhang@...el.com>, Lukasz Luba
	<lukasz.luba@....com>, Rob Herring <robh@...nel.org>, Conor Dooley
	<conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, Henrik Grimler
	<henrik@...mler.se>
Cc: Shin Son <shin.son@...sung.com>, linux-pm@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/3] Add exynosautov920 thermal support

This change merges the new exynosautov920-specific register definitions and
timing parameters into the exynos-tmu driver, ensuring consistent behavior
across all Exynos series. All new code paths have been tested on a
exynosautov920 board and verified to correctly read temperatures and
emulate behavior.

Changes in v3:
- Removed redundant commit message.
- Rephrased the sentences to describe the hardware clearly.
- Restricted sensor indices to V920.
- Set #thermal-sensor-celss per variant.
- Replaced 'additionalProperties' with 'unevaluatedProperties'.
- Removed the duplicate #define and use the original.
- Used lowercase hex in #define.
- Simplified 'temp_to_code' and 'code_to_temp' to one computation
  path by normalizing calib_temp.

Changes in v2:
- Replace the generic property with a vendor-specific one.
- Added an indices property instead of ranges.
- Shortened thermal node name and made them more generic.
- Updated the indices logic accordingly after removing the ranges property.

Shin Son (3):
  dt-bindings: thermal: samsung: Add a hw-sensor-indices property
  thermal: exynos_tmu: Support new hardware and update TMU interface
  arm64: dts: exynosautov920: Add tmu hardware binding

 .../thermal/samsung,exynos-thermal.yaml       |  40 ++-
 .../boot/dts/exynos/exynosautov920-tmu.dtsi   |  97 ++++++
 .../arm64/boot/dts/exynos/exynosautov920.dtsi |  31 ++
 drivers/thermal/samsung/exynos_tmu.c          | 324 ++++++++++++++++--
 4 files changed, 453 insertions(+), 39 deletions(-)
 create mode 100644 arch/arm64/boot/dts/exynos/exynosautov920-tmu.dtsi

-- 
2.50.1