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Date:   Sun, 22 Nov 2020 23:27:32 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     linux-kernel@...r.kernel.org
Cc:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Jonathan Neuschäfer <j.neuschaefer@....net>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Sam Ravnborg <sam@...nborg.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Heiko Stuebner <heiko.stuebner@...obroma-systems.com>,
        Stephan Gerhold <stephan@...hold.net>,
        Lubomir Rintel <lkundrak@...sk>,
        Mark Brown <broonie@...nel.org>, allen <allen.chen@....com.tw>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, linux-pwm@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Heiko Stuebner <heiko@...ech.de>,
        Josua Mayer <josua.mayer@....eu>,
        Andreas Kemnade <andreas@...nade.info>,
        Arnd Bergmann <arnd@...db.de>, Daniel Palmer <daniel@...f.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH v4 0/7] Netronix embedded controller driver for Kobo and Tolino ebook readers

This patchset adds basic support for the embedded controller found on
older ebook reader boards designed by/with the ODM Netronix Inc.[1] and
sold by Kobo or Tolino, for example the Kobo Aura and the Tolino Shine.
These drivers are based on information contained in the vendor kernel
sources, but in order to all information in a single place, I documented
the register interface of the EC on GitHub[2].

[1]: http://www.netronixinc.com/products.aspx?ID=1
[2]: https://github.com/neuschaefer/linux/wiki/Netronix-MSP430-embedded-controller

v4:
- Spell out ODM (original design manufacturer)
- Solve corner cases in the RTC driver
- Clean up use of log levels vs. error codes
- Add more comments explaining some peculiarities
- Add missing MODULE_ALIAS lines
- Various other cleanups


v3:
- https://lore.kernel.org/lkml/20200924192455.2484005-1-j.neuschaefer@gmx.net/
- A few code cleanups
- A few devicetree related cleanups
- PWM and RTC functionality were moved from subnodes in the devicetree to
  the main node. This also means that the subdrivers no longer need DT
  compatible strings, but are instead loaded via the mfd_cell mechanism.
- The drivers are now published under GPLv2-or-later rather than GPLv2-only.


v2:
- https://lore.kernel.org/lkml/20200905133230.1014581-1-j.neuschaefer@gmx.net/
- Moved txt DT bindings to patch descriptions and removed patch 1/10
  "DT bindings in plain text format"
- New patch 7/10 "rtc: Introduce RTC_TIMESTAMP_END_2255"
- Rebased on 5.9-rc3
- Various other changes which are documented in each patch

v1:
- https://lore.kernel.org/lkml/20200620223915.1311485-1-j.neuschaefer@gmx.net/

Jonathan Neuschäfer (7):
  dt-bindings: Add vendor prefix for Netronix, Inc.
  dt-bindings: mfd: Add binding for Netronix embedded controller
  mfd: Add base driver for Netronix embedded controller
  pwm: ntxec: Add driver for PWM function in Netronix EC
  rtc: New driver for RTC in Netronix embedded controller
  MAINTAINERS: Add entry for Netronix embedded controller
  ARM: dts: imx50-kobo-aura: Add Netronix embedded controller

 .../bindings/mfd/netronix,ntxec.yaml          |  76 ++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 MAINTAINERS                                   |   9 +
 arch/arm/boot/dts/imx50-kobo-aura.dts         |  16 +-
 drivers/mfd/Kconfig                           |  11 +
 drivers/mfd/Makefile                          |   1 +
 drivers/mfd/ntxec.c                           | 216 ++++++++++++++++++
 drivers/pwm/Kconfig                           |   8 +
 drivers/pwm/Makefile                          |   1 +
 drivers/pwm/pwm-ntxec.c                       | 166 ++++++++++++++
 drivers/rtc/Kconfig                           |   8 +
 drivers/rtc/Makefile                          |   1 +
 drivers/rtc/rtc-ntxec.c                       | 158 +++++++++++++
 include/linux/mfd/ntxec.h                     |  34 +++
 14 files changed, 706 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml
 create mode 100644 drivers/mfd/ntxec.c
 create mode 100644 drivers/pwm/pwm-ntxec.c
 create mode 100644 drivers/rtc/rtc-ntxec.c
 create mode 100644 include/linux/mfd/ntxec.h

--
2.29.2

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