linux-kernel - [PATCH v2 0/2] regulator: add new PMIC PF0900 support

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Message-Id: <20250721-b4-pf09-v2-v2-0-e2c568548032@nxp.com>
Date: Mon, 21 Jul 2025 15:11:26 +0800
From: Joy Zou <joy.zou@....com>
To: Joy Zou <joy.zou@....com>, Liam Girdwood <lgirdwood@...il.com>, 
 Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 imx@...ts.linux.dev, Frank Li <Frank.Li@....com>, Ye Li <ye.li@....com>, 
 Jacky Bai <ping.bai@....com>, Dong Aisheng <aisheng.dong@....com>, 
 kernel test robot <lkp@...el.com>
Subject: [PATCH v2 0/2] regulator: add new PMIC PF0900 support

Add binding document and driver.

Signed-off-by: Joy Zou <joy.zou@....com>
---
Changes in v2:

binding part
- modify the binding file name to match compatible string.
- add one space for dt_binding_check warning.
- remove unnecessary quotes from "VAON".
- remove the unnecessary empty line.
- move unevaluatedProperties after the $ref.
- move additionalProperties after regulator type.
- remove unnecessary regulator description

driver part
- modify the copyright comment block to C++ style.
- add reg_read/write for regmap_bus.
- remove original pf0900_pmic_read/write.
- remove many regulator operations.
- use regmap_read replace pf0900_pmic_read.
- use regmap_update_bits and regmap_write_bits replace pf0900_pmic_write.
- move the code from pf0900.h to pf0900-regulator.c and delete the header file.
- remove unmask status interrupts and add unmask regulator interrupts.
- remove many interrupts check warning print from irq_handler.
- add notifier for regulator event.
- remove unused macro define.
- add PF0900 prefix for IRQ macro define in order to avoid duplication.
- use GENMASK() and BIT() to replace mask marco define
- remove redundant enum pf0900_chip_type.
- remove redundant print info and comments.
- add dvs property present check because this property is optional.
- remove ret == -EINVAL check from sw_set_dvs() function.
- Link to v1: https://lore.kernel.org/imx/20250617102025.3455544-1-joy.zou@nxp.com/

---
Joy Zou (2):
      dt-bindings: regulator: add PF0900 regulator yaml
      regulator: pf0900: Add PMIC PF0900 support

 .../devicetree/bindings/regulator/nxp,pf0900.yaml  |  169 ++++
 drivers/regulator/Kconfig                          |    8 +
 drivers/regulator/Makefile                         |    1 +
 drivers/regulator/pf0900-regulator.c               | 1028 ++++++++++++++++++++
 4 files changed, 1206 insertions(+)
---
base-commit: d086c886ceb9f59dea6c3a9dae7eb89e780a20c9
change-id: 20250714-b4-pf09-v2-91cdee6d1272

Best regards,
-- 
Joy Zou <joy.zou@....com>