linux-kernel - [PATCH v2 0/4] thermal: renesas: Add support for RZ/G3S

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Message-ID: <20250224173144.1952801-1-claudiu.beznea.uj@bp.renesas.com>
Date: Mon, 24 Feb 2025 19:31:40 +0200
From: Claudiu <claudiu.beznea@...on.dev>
To: rafael@...nel.org,
	daniel.lezcano@...aro.org,
	rui.zhang@...el.com,
	lukasz.luba@....com,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	geert+renesas@...der.be,
	magnus.damm@...il.com,
	p.zabel@...gutronix.de
Cc: claudiu.beznea@...on.dev,
	linux-pm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH v2 0/4] thermal: renesas: Add support for RZ/G3S

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Hi,

This series adds thermal support for the Renesas RZ/G3S SoC.

Series is organized as follows:
- patches 1-2/4:	add thermal support for RZ/G3S
- patches 3-4/5:	add device tree support

Merge strategy, if any:
- patches 1-2/4 can go through the thermal tree
- patches 3-4/4 can go through the Renesas tree

Thank you,
Claudiu Beznea

Changes in v2:
- dropped the already applied patches
- dropped patch 2/6 from v1 as the devres_open_group()/devres_release_group()
  approach was implemented in this version (similar to what was proposed in
  [1])
- collected tags
- added a passive trip point not bound to any cooling device, as proposed
  in the review process
- decreased the trip points temperature
- convert the temperature to mili degree Celsius before applying the
  computation formula to avoid losing precision
- use int variables (instead of unsigned) for temperature computation

[1] https://lore.kernel.org/all/20250215130849.227812-1-claudiu.beznea.uj@bp.renesas.com/

Claudiu Beznea (4):
  dt-bindings: thermal: r9a08g045-tsu: Document the TSU unit
  thermal: renesas: rzg3s: Add thermal driver for the Renesas RZ/G3S SoC
  arm64: dts: renesas: r9a08g045: Add TSU node
  arm64: defconfig: Enable RZ/G3S thermal

 .../thermal/renesas,r9a08g045-tsu.yaml        |  93 +++++
 MAINTAINERS                                   |   7 +
 arch/arm64/boot/dts/renesas/r9a08g045.dtsi    |  49 ++-
 .../boot/dts/renesas/rzg3s-smarc-som.dtsi     |   4 -
 arch/arm64/configs/defconfig                  |   1 +
 drivers/thermal/renesas/Kconfig               |   8 +
 drivers/thermal/renesas/Makefile              |   1 +
 drivers/thermal/renesas/rzg3s_thermal.c       | 329 ++++++++++++++++++
 8 files changed, 487 insertions(+), 5 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/thermal/renesas,r9a08g045-tsu.yaml
 create mode 100644 drivers/thermal/renesas/rzg3s_thermal.c

-- 
2.43.0