linux-kernel - [PATCH v4 0/2] thermal: imx91: Add support for i.MX91 thermal monitoring unit

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Message-Id: <20241216-imx91tmu-v4-0-75caef7481b8@nxp.com>
Date: Mon, 16 Dec 2024 14:25:13 -0500
From: Frank Li <Frank.Li@....com>
To: "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>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Pengfei Li <pengfei.li_1@....com>, 
 Marco Felsch <m.felsch@...gutronix.de>
Cc: linux-pm@...r.kernel.org, devicetree@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Frank Li <Frank.Li@....com>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 Peng Fan <peng.fan@....com>
Subject: [PATCH v4 0/2] thermal: imx91: Add support for i.MX91 thermal
 monitoring unit

- Add binding doc
- Add imx91 thermal driver
- dts part wait for https://lore.kernel.org/imx/Z04W5chGq5TitB9f@lizhi-Precision-Tower-5810/
merged, so not in this serial.

Signed-off-by: Frank Li <Frank.Li@....com>
---
Changes in v4:
- Add Kryz's review tag for binding
- Add Marco's review tag for driver
- Use devm_add_action()
- Move pm_runtim_put before thermal_of_zone_register()
- Link to v3: https://lore.kernel.org/r/20241212-imx91tmu-v3-0-85e756b29437@nxp.com

Changes in v3:
- add ref thermal-sensor
- restrict #thermal-sensor-cells to 0 only
- Change to unevaluatedProperties

- add IMX91_TMU_ prefix for register define
- remove unused register define
- fix missed pm_runtime_put() at error path in imx91_tmu_get_temp()
- use dev variable in probe function
- use pm_runtime_set_active() in probe
- move START to imx91_tmu_get_temp()
- use DEFINE_RUNTIME_DEV_PM_OPS()
- keep set reset value because there are not sw "reset" bit in controller,
  uboot may change and enable tmu.

- Link to v2: https://lore.kernel.org/r/20241210-imx91tmu-v2-0-5032aad4d88e@nxp.com

Changes in v2:
- use low case for hexvalue
- combine struct imx91_tmu and tmu_sensor
- simplify imx91_tmu_start() and imx91_tmu_enable()
- use s16 for imx91_tmu_get_temp(), which may negative value
- use reverse christmas tree style
- use run time pm
- use oneshot to sample temp
- register thermal zone after hardware init
- Link to v1: https://lore.kernel.org/r/20241209-imx91tmu-v1-0-7859c5387f31@nxp.com

---
Pengfei Li (2):
      dt-bindings: thermal: fsl,imx91-tmu: add bindings for NXP i.MX91 thermal module
      thermal: imx91: Add support for i.MX91 thermal monitoring unit

 .../devicetree/bindings/thermal/fsl,imx91-tmu.yaml |  67 ++++++
 drivers/thermal/Kconfig                            |  10 +
 drivers/thermal/Makefile                           |   1 +
 drivers/thermal/imx91_thermal.c                    | 263 +++++++++++++++++++++
 4 files changed, 341 insertions(+)
---
base-commit: d07c576946b2bc440d6d2073998023e8a0bd7568
change-id: 20241209-imx91tmu-af2a7c042d8d

Best regards,
---
Frank Li <Frank.Li@....com>