linux-kernel - Re: [PATCH v3 0/5] mfd: Add support for Khadas Microcontroller

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Message-ID: <CAHLCerOqnySYDKnNBMSE=+ZtB2GMgonP_=DxTMcquqDujsMjjw@mail.gmail.com>
Date:   Mon, 22 Jun 2020 14:39:27 +0530
From:   Amit Kucheria <amit.kucheria@...durent.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-amlogic@...ts.infradead.org,
        Linux PM list <linux-pm@...r.kernel.org>,
        lakml <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 0/5] mfd: Add support for Khadas Microcontroller

On Thu, Jun 18, 2020 at 1:49 PM Lee Jones <lee.jones@...aro.org> wrote:
>
> On Mon, 08 Jun 2020, Neil Armstrong wrote:
>
> > The new Khadas VIM2, VIM3 and Edge boards embeds an on-board microcontroller
> > connected via I2C.
> >
> > This Microcontroller is present on the Khadas VIM1, VIM2, VIM3 and Edge
> > boards.
> >
> > It has multiple boot control features like password check, power-on
> > options, power-off control and system FAN control on recent boards.
> >
> > Thie serie adds :
> > - the bindings
> > - the MFD driver
> > - the Thermal Cooling cell driver
> > - updates MAINTAINERS
> > - add support into the Khadas VIM3/VIM3L DT
> >
> > Changes since v2 at [3]:
> > - Removed NVMEM driver for separate submission
> > - fixed MFD driver, header and Kconfig
> > - fixed Thermal Kconfig
> > - fixed MAINTAINERS files and path
> >
> > Changes since RFC v1 at [2]:
> > - moved hwmon driver to thermal-only
> > - moved the SM1 thermal nodes in a separate serie
> > - added the bindings review tag from rob
> >
> > [1] http://lore.kernel.org/r/20200512093916.19676-1-narmstrong@baylibre.com
> > [2] http://lore.kernel.org/r/20200421080102.22796-1-narmstrong@baylibre.com
> > [3] http://lore.kernel.org/r/20200512132613.31507-1-narmstrong@baylibre.com
> >
> > Neil Armstrong (5):
> >   dt-bindings: mfd: add Khadas Microcontroller bindings
> >   mfd: add support for the Khadas System control Microcontroller
> >   thermal: add support for the MCU controlled FAN on Khadas boards
> >   MAINTAINERS: add myself as maintainer for Khadas MCU drivers
> >   arm64: dts: meson-khadas-vim3: add Khadas MCU nodes
>
> I'm a bit concerned by the missing patches from my inbox.
>
> Looks like you omitted to send me patch 3 and 5.
>
> Hopefully the Thermal patch doesn't depend on the MFD one!

Neil did mention that it depends on include/linux/mfd/khadas-mcu.h. So
I think we should just merge this through the MFD tree.

>
> >  .../devicetree/bindings/mfd/khadas,mcu.yaml   |  44 +++++
> >  MAINTAINERS                                   |   9 +
> >  .../boot/dts/amlogic/meson-khadas-vim3.dtsi   |  23 +++
> >  drivers/mfd/Kconfig                           |  21 +++
> >  drivers/mfd/Makefile                          |   1 +
> >  drivers/mfd/khadas-mcu.c                      | 142 ++++++++++++++
> >  drivers/thermal/Kconfig                       |  11 ++
> >  drivers/thermal/Makefile                      |   1 +
> >  drivers/thermal/khadas_mcu_fan.c              | 174 ++++++++++++++++++
> >  include/linux/mfd/khadas-mcu.h                |  91 +++++++++
> >  10 files changed, 517 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/mfd/khadas,mcu.yaml
> >  create mode 100644 drivers/mfd/khadas-mcu.c
> >  create mode 100644 drivers/thermal/khadas_mcu_fan.c
> >  create mode 100644 include/linux/mfd/khadas-mcu.h
> >
>
> --
> Lee Jones [李琼斯]
> Senior Technical Lead - Developer Services
> Linaro.org │ Open source software for Arm SoCs
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