linux-kernel - [PATCH 0/5] Support for LEGO MINDSTORTMS EV3

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Date:   Fri, 21 Oct 2016 13:36:52 -0500
From:   David Lechner <david@...hnology.com>
To:     Kevin Hilman <khilman@...nel.org>, Sekhar Nori <nsekhar@...com>
Cc:     David Lechner <david@...hnology.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/5] Support for LEGO MINDSTORTMS EV3

This patch series adds support for LEGO MINDSTORTMS EV3[1]. This is a TI AM1808
based board.

This patch series has been tested working (along with some hacks to fix the
GPIOs) on an EV3.

There are still quite a few additional new drivers that need to be submitted
to get everything working. This patch series just adds support for the parts
that already have mainline kernel drivers.

I have a plan/driver in progress for many of the components[2], but I could use
some advice on a few particulars.

Bluetooth: This needs a driver to sequence a GPIO to take the Bluetooth chip
out of shutdown *after* the Bluetooth clock has been configured and started.
Is there a generic driver that can do this sort of thing? Or, if not, which
subsystem should the new driver go in?

Input and output ports: These ports are capable of hotplugging various devices,
such as sensors and motors. I have written a driver for these that can detect
most devices. I created a new subsystem for this called `lego-port`. However,
I am wondering if the existing phy or extcon subsystems might be a good fit for
this sort of thing.

[1]: http://mindstorms.lego.com
[2]: https://github.com/ev3dev/lego-linux-drivers/tree/master/evb

David Lechner (5):
  ARM: davinci: Compile MMC in kernel
  ARM: davinci: Don't append git rev to local version
  ARM: davinci: enable gpio poweroff in default config
  ARM: davinci: enable LEDs default-on trigger in default config
  ARM: dts: Add LEGO MINDSTORTMS EV3 dts

 arch/arm/boot/dts/Makefile             |   3 +-
 arch/arm/boot/dts/lego-ev3.dts         | 454 +++++++++++++++++++++++++++++++++
 arch/arm/configs/davinci_all_defconfig |   8 +-
 3 files changed, 462 insertions(+), 3 deletions(-)
 create mode 100644 arch/arm/boot/dts/lego-ev3.dts

-- 
2.7.4