linux-kernel - [PATCH v3 0/6] thermal: renesas: Add support fot RZ/G3E

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Message-ID: <20250315081225.92118-1-john.madieu.xa@bp.renesas.com>
Date: Sat, 15 Mar 2025 09:12:10 +0100
From: John Madieu <john.madieu.xa@...renesas.com>
To: geert+renesas@...der.be,
	conor+dt@...nel.org,
	krzk+dt@...nel.org,
	robh@...nel.org,
	rafael@...nel.org,
	daniel.lezcano@...aro.org
Cc: magnus.damm@...il.com,
	devicetree@...r.kernel.org,
	john.madieu@...il.com,
	rui.zhang@...el.com,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	sboyd@...nel.org,
	biju.das.jz@...renesas.com,
	linux-pm@...r.kernel.org,
	lukasz.luba@....com,
	John Madieu <john.madieu.xa@...renesas.com>
Subject: [PATCH v3 0/6] thermal: renesas: Add support fot RZ/G3E

Hello,

This series adds support for the temperature sensor unit (TSU) found on the
Renesas RZ/G3E SoC.

The series consists of 7 patches (some of which are not related to the thermal
framework) that progressively add TSU support as follows:
- patch 1/6:    adds syscon/regmap support for accessing system controller
                registers, enabling access to TSU calibration values

- patch 2/6:    adds dt-bindings
- patch 3/6:    adds the actual TSU driver for the RZ/G3E
- patch 4/6:    adds safety mechanism to make sure we we protect the chip in
                case of consecutive read failures
- patch 4-6/6:  add DT node and defconfig enablement


Changes:

v1 -> v2
 * Fix yaml warnings from dt-binding
 * Update IRQ names to reflect TSU expectations

v2 -> v3
 * Remove useless 'renesas,tsu-operating-mode' property

Regards,

John Madieu (6):
  soc: renesas: rz-sysc: add syscon/regmap support
  dt-bindings: thermal: r9a09g047-tsu: Document the TSU unit
  thermal: renesas: rzg3e: Add thermal driver for the Renesas RZ/G3E SoC
  thermal: renesas: rzg3e: Add safety check when reading temperature
  arm64: dts: renesas: r9a09g047: Add TSU node
  arm64: defconfig: Enable RZ/G3E thermal

 .../thermal/renesas,r9a09g047-tsu.yaml        | 113 +++++
 MAINTAINERS                                   |   7 +
 arch/arm64/boot/dts/renesas/r9a09g047.dtsi    |  48 ++
 arch/arm64/configs/defconfig                  |   1 +
 drivers/soc/renesas/Kconfig                   |   1 +
 drivers/soc/renesas/r9a09g047-sys.c           |   1 +
 drivers/soc/renesas/rz-sysc.c                 |  30 +-
 drivers/soc/renesas/rz-sysc.h                 |   2 +
 drivers/thermal/renesas/Kconfig               |   7 +
 drivers/thermal/renesas/Makefile              |   1 +
 drivers/thermal/renesas/rzg3e_thermal.c       | 479 ++++++++++++++++++
 11 files changed, 689 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/thermal/renesas,r9a09g047-tsu.yaml
 create mode 100644 drivers/thermal/renesas/rzg3e_thermal.c

-- 
2.25.1