From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/7] ARM: dts: support I2SE Duckbill device
Date: Mon, 24 Oct 2016 21:12:09 +0800 [thread overview]
Message-ID: <20161024131209.GK30578@tiger> (raw)
In-Reply-To: <1477164150-13553-1-git-send-email-mhei@heimpold.de>
On Sat, Oct 22, 2016 at 09:22:23PM +0200, Michael Heimpold wrote:
> This series updates/adds Device Tree support for I2SE's Duckbill
> device family.
>
> The Duckbill devices are small, pen-drive sized boards based on
> NXP's i.MX28 SoC. While the initial variants (Duckbill series) were
> equipped with a micro SD card slot only, the latest generation
> (Duckbill 2 series) have an additional internal eMMC onboard.
>
> Both device generations consists of four "family members":
>
> - Duckbill/Duckbill 2: generic board, intented to be used as
> baseboard for custom designs and/or as development board
>
> - Duckbill EnOcean/Duckbill 2 EnOcean: come with an EnOcean
> daugther board equipped with the popular TCM310 module
>
> - Duckbill 485/Duckbill 2 485: as the name implies, these
> devices are intended to be used as Ethernet - RS485 converters
>
> - Duckbill SPI/Duckbill 2 SPI: not sold separately, but used
> in I2SE's development kits for Green PHY HomePlug Powerline
> communication
So we basically need to maintain 8 dts/dtb files for imx28-duckbill
board. This is not pleasant. Can you please investigate if Device Tree
overlay is going to help here?
Shawn
[1] http://free-electrons.com/blog/dt-overlay-uboot-libfdt/
> Since all devices are very similar and only differ in few
> aspects, the following patch series introduces first common
> device tree snippets which are then included by the real
> devices. For better understanding, I tried to illustrate the
> hierarchy:
>
> +--------------------+ +----------------------+
> | imx28-duckbill.dts | | imx28-duckbill-2.dts |
> +--------------------+ +----------------------+
> ^ ^
> | +----------------------------+ | +------------------------------+
> | | imx28-duckbill-enocean.dts | | | imx28-duckbill-2-enocean.dts |
> | +----------------------------+ | +------------------------------+
> | ^ | ^
> | | +------------------------+ | | +--------------------------+
> | | | imx28-duckbill-485.dts | | | | imx28-duckbill-2-485.dts |
> | | +------------------------+ | | +--------------------------+
> | | ^ | | ^
> | | | +------------------------+ | | | +--------------------------+
> | | | | imx28-duckbill-spi.dts | | | | | imx28-duckbill-2-spi.dts |
> | | | +------------------------+ | | | +--------------------------+
> | | | ^ | | | ^
> | | | | | | | |
> | | | | | | | |
> +---------------------------------------+ +-----------------------------------------+
> | imx28-duckbill-common.dtsi | | imx28-duckbill-2-common.dtsi |
> +---------------------------------------+ +-----------------------------------------+
> ^ ^
> | |
> +----------------------------+
> | imx28-duckbill-base.dtsi |
> +----------------------------+
> ^
> |
> +------------+
> | imx28.dtsi |
> +------------+
>
> Michael Heimpold (7):
> ARM: dts: imx28: add alternative pinmuxing for mmc2
> ARM: dts: imx28: rename mmc2_sck_cfg to prepare for an alternative
> muxing setup
> ARM: dts: imx28: add alternative muxing for mmc2_sck_cfg
> ARM: dts: add I2SE Duckbill common definitions
> ARM: dts: duckbill: simplify DT and use common definitions
> ARM: dts: add support for remaining members of Duckbill series
> ARM: dts: add support for Duckbill 2 series devices
>
> arch/arm/boot/dts/Makefile | 7 ++
> arch/arm/boot/dts/imx28-duckbill-2-485.dts | 70 ++++++++++++++++
> arch/arm/boot/dts/imx28-duckbill-2-common.dtsi | 110 +++++++++++++++++++++++++
> arch/arm/boot/dts/imx28-duckbill-2-enocean.dts | 100 ++++++++++++++++++++++
> arch/arm/boot/dts/imx28-duckbill-2-spi.dts | 63 ++++++++++++++
> arch/arm/boot/dts/imx28-duckbill-2.dts | 46 +++++++++++
> arch/arm/boot/dts/imx28-duckbill-485.dts | 60 ++++++++++++++
> arch/arm/boot/dts/imx28-duckbill-base.dtsi | 88 ++++++++++++++++++++
> arch/arm/boot/dts/imx28-duckbill-common.dtsi | 80 ++++++++++++++++++
> arch/arm/boot/dts/imx28-duckbill-enocean.dts | 90 ++++++++++++++++++++
> arch/arm/boot/dts/imx28-duckbill-spi.dts | 64 ++++++++++++++
> arch/arm/boot/dts/imx28-duckbill.dts | 99 +++-------------------
> arch/arm/boot/dts/imx28-m28cu3.dts | 2 +-
> arch/arm/boot/dts/imx28.dtsi | 28 ++++++-
> 14 files changed, 817 insertions(+), 90 deletions(-)
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-2-485.dts
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-2-common.dtsi
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-2-enocean.dts
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-2-spi.dts
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-2.dts
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-485.dts
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-base.dtsi
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-common.dtsi
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-enocean.dts
> create mode 100644 arch/arm/boot/dts/imx28-duckbill-spi.dts
>
> --
> 2.7.4
>
>
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> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2016-10-24 13:12 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-22 19:22 [PATCH 0/7] ARM: dts: support I2SE Duckbill device Michael Heimpold
2016-10-22 19:22 ` [PATCH 1/7] ARM: dts: imx28: add alternative pinmuxing for mmc2 Michael Heimpold
2016-10-22 19:22 ` [PATCH 2/7] ARM: dts: imx28: rename mmc2_sck_cfg to prepare for an alternative muxing setup Michael Heimpold
2016-10-22 19:22 ` [PATCH 3/7] ARM: dts: imx28: add alternative muxing for mmc2_sck_cfg Michael Heimpold
2016-10-22 19:22 ` [PATCH 4/7] ARM: dts: add I2SE Duckbill common definitions Michael Heimpold
2016-10-26 13:53 ` Shawn Guo
2016-10-22 19:22 ` [PATCH 5/7] ARM: dts: duckbill: simplify DT and use " Michael Heimpold
2016-10-22 19:22 ` [PATCH 6/7] ARM: dts: add support for remaining members of Duckbill series Michael Heimpold
2016-10-22 19:22 ` [PATCH 7/7] ARM: dts: add support for Duckbill 2 series devices Michael Heimpold
2016-10-24 13:12 ` Shawn Guo [this message]
2016-10-24 19:45 ` [PATCH 0/7] ARM: dts: support I2SE Duckbill device Michael Heimpold
2016-10-26 13:55 ` Shawn Guo
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