linux-kernel - [PATCH v3 0/7] Add initial support for ATC260x PMICs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <cover.1607216141.git.cristian.ciocaltea@gmail.com>
Date:   Sun,  6 Dec 2020 03:27:00 +0200
From:   Cristian Ciocaltea <cristian.ciocaltea@...il.com>
To:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Sebastian Reichel <sre@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Andreas Färber <afaerber@...e.de>
Cc:     linux-actions@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        linux-pm@...r.kernel.org
Subject: [PATCH v3 0/7] Add initial support for ATC260x PMICs

The ATC260x family of PMICs integrates Audio Codec, Power management,
Clock generation and GPIO controller blocks. There are currently 3
variants: ATC2603A, ATC2603C and ATC2609A.

This is re-spin of the v1 patch series submitted some time ago by
Mani, who provided the MFD and regulator drivers for ATC2609A:
https://lore.kernel.org/lkml/20190617155011.15376-1-manivannan.sadhasivam@linaro.org/

Since v2, I added support for ATC2603C, together with some new
functionalities for both chips: power controller and onkey input.
The ATC2603A chip type remains unsupported for the moment.

This has been tested on RoseapplePi, a SBC based on the Action Semi S500
SoC, which integrates the ATC2603C variant of the PMIC.

Note that enabling the ATC260x PMICs on compatible Actions Semi Owl SoC
based boards depends on:

* the Actions Semi SIRQ driver (for PMIC DTS setup), merged in v5.10:
  https://lore.kernel.org/lkml/cover.1600114378.git.cristian.ciocaltea@gmail.com/

* the atomic transfers in Owl I2C driver (for power controller), queued for v5.11:
  https://lore.kernel.org/lkml/cover.1602190168.git.cristian.ciocaltea@gmail.com/

Additionally, please note that I have taken the authorship for the MFD
and regulator drivers patches, considering the original code has been
modified to a large extent.

Thanks,
Cristi

Changes in v3:
- Integrated feedback from Mani, Rob, Mark, Sebastian, Dmitry
- Fixed issues reported by Lee's kernel test robot
- Added new patch for 'reset-time-sec' DT binding property
- Rebased patchset on v5.10-rc6

Changes in v2:
- Reworked MFD core & I2C driver
  * Integrated Lee's feedback
  * Added support for using the regmap within atomic contexts
  * Added support for ATC2603C chip variant
  * Reorganized KConfig entries
- Improved regulator driver
  * Added support for ATC2603C variant
  * Used helper macros for more compact specification of regulator_desc items
  * Added more regulator capabilities
- Added power controller driver
  * Provides system poweroff/reboot functionalities
  * Depends on atomic transfers in the Owl I2C driver
- Added onkey driver: exposes the power button as an input device
- Added yaml binding doc
- Rebased patchset on kernel v5.9-rc1

Cristian Ciocaltea (6):
  dt-bindings: input: Add reset-time-sec common property
  dt-bindings: mfd: Add Actions Semi ATC260x PMIC binding
  mfd: Add MFD driver for ATC260x PMICs
  regulator: Add regulator driver for ATC260x PMICs
  power: reset: Add poweroff driver for ATC260x PMICs
  input: atc260x: Add onkey driver for ATC260x PMICs

Manivannan Sadhasivam (1):
  MAINTAINERS: Add entry for ATC260x PMIC

 .../devicetree/bindings/input/input.yaml      |   7 +
 .../bindings/mfd/actions,atc260x.yaml         | 181 ++++++
 MAINTAINERS                                   |  12 +
 drivers/input/misc/Kconfig                    |  11 +
 drivers/input/misc/Makefile                   |   2 +-
 drivers/input/misc/atc260x-onkey.c            | 305 ++++++++++
 drivers/mfd/Kconfig                           |  18 +
 drivers/mfd/Makefile                          |   3 +
 drivers/mfd/atc260x-core.c                    | 290 ++++++++++
 drivers/mfd/atc260x-i2c.c                     |  73 +++
 drivers/power/reset/Kconfig                   |   8 +-
 drivers/power/reset/Makefile                  |   1 +
 drivers/power/reset/atc260x-poweroff.c        | 263 +++++++++
 drivers/regulator/Kconfig                     |   8 +
 drivers/regulator/Makefile                    |   1 +
 drivers/regulator/atc260x-regulator.c         | 524 ++++++++++++++++++
 include/linux/mfd/atc260x/atc2603c.h          | 281 ++++++++++
 include/linux/mfd/atc260x/atc2609a.h          | 308 ++++++++++
 include/linux/mfd/atc260x/core.h              |  86 +++
 19 files changed, 2380 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/actions,atc260x.yaml
 create mode 100644 drivers/input/misc/atc260x-onkey.c
 create mode 100644 drivers/mfd/atc260x-core.c
 create mode 100644 drivers/mfd/atc260x-i2c.c
 create mode 100644 drivers/power/reset/atc260x-poweroff.c
 create mode 100644 drivers/regulator/atc260x-regulator.c
 create mode 100644 include/linux/mfd/atc260x/atc2603c.h
 create mode 100644 include/linux/mfd/atc260x/atc2609a.h
 create mode 100644 include/linux/mfd/atc260x/core.h

-- 
2.29.2