From: Kevin Hilman <khilman@baylibre.com>
To: David Lechner <david@lechnology.com>
Cc: Sekhar Nori <nsekhar@ti.com>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Russell King <linux@armlinux.org.uk>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/5] ARM: dts: Add LEGO MINDSTORTMS EV3 dts
Date: Fri, 21 Oct 2016 12:13:48 -0700 [thread overview]
Message-ID: <7htwc51pn7.fsf@baylibre.com> (raw)
In-Reply-To: <1477075018-20176-6-git-send-email-david@lechnology.com> (David Lechner's message of "Fri, 21 Oct 2016 13:36:57 -0500")
David Lechner <david@lechnology.com> writes:
> This adds a device tree definition file for LEGO MINDSTORMS EV3.
>
> What is working:
>
> * Pin muxing
> * MicroSD card reader
> * UART on input port 1
>
> What is partially working:
>
> * Buttons - working after GPIO fix
> * LEDs - working after GPIO fix
> * Poweroff/reset - working after GPIO fix
> * Flash memory - driver loads but can't read the block devices - this is
> probably due to the fact that we are not able to configure the SPI to
> use DMA via device tree
> * EEPROM - there seems to be a hardware bug that causes the first byte
> read to be corrupted - this can be worked around by adding an I2C stop
> between writing the register and reading the data, but the at24 driver
> does not have an option to do this
>
> What is not working/to be added later:
>
> * Display - waiting for "tiny DRM" to be mainlined
> * Speaker - needs new PWM sound driver
> * USB - waiting for OHCI and MUSB device tree support to be mainlined
> * ADC - needs new iio driver
> * GPIOs - broken because of recent changes to core gpio driver
> * Bluetooth - needs new driver for sequencing power/enable/clock
> * Input and output ports - need some sort of new phy or extcon driver
> * Battery - needs new power supply driver (depends on ADC iio driver)
>
> Signed-off-by: David Lechner <david@lechnology.com>
> ---
> arch/arm/boot/dts/Makefile | 3 +-
> arch/arm/boot/dts/lego-ev3.dts | 454 +++++++++++++++++++++++++++++++++++++++++
nit: can you name this da850-lego-ev3.dts
Though it's not very strictly enforced, we *try* to use the form
<soc>-<board>.dts.
Kevin
next prev parent reply other threads:[~2016-10-21 19:13 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-21 18:36 [PATCH 0/5] Support for LEGO MINDSTORTMS EV3 David Lechner
2016-10-21 18:36 ` [PATCH 1/5] ARM: davinci: Compile MMC in kernel David Lechner
2016-10-26 11:33 ` Sekhar Nori
2016-10-21 18:36 ` [PATCH 2/5] ARM: davinci: Don't append git rev to local version David Lechner
2016-10-24 11:35 ` Sekhar Nori
2016-10-24 15:15 ` David Lechner
2016-10-26 10:54 ` Sekhar Nori
2016-10-26 15:44 ` David Lechner
2016-10-21 18:36 ` [PATCH 3/5] ARM: davinci: enable gpio poweroff in default config David Lechner
2016-10-26 11:09 ` Sekhar Nori
2016-10-21 18:36 ` [PATCH 4/5] ARM: davinci: enable LEDs default-on trigger " David Lechner
2016-10-27 11:29 ` Sekhar Nori
2016-10-27 15:49 ` David Lechner
2016-10-28 9:03 ` Sekhar Nori
2016-10-21 18:36 ` [PATCH 5/5] ARM: dts: Add LEGO MINDSTORTMS EV3 dts David Lechner
2016-10-21 19:13 ` Kevin Hilman [this message]
2016-10-24 11:58 ` Sekhar Nori
2016-10-24 15:50 ` David Lechner
2016-10-24 19:50 ` David Lechner
2016-10-24 21:20 ` David Lechner
2016-10-25 10:58 ` Sekhar Nori
2016-10-25 15:44 ` David Lechner
2016-10-25 2:56 ` David Lechner
2016-10-27 1:30 ` David Lechner
2016-10-21 18:45 ` [PATCH 0/5] Support for LEGO MINDSTORTMS EV3 Lennart Sorensen
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