[PATCH 0/4] Use just one DTS file for all Espressobin variants

[Peter Robinson]

> This patch series change Espressobin code to use in U-Boot just one DTS
> file for all Espressobin variants. Therefore DT compatible string
> globalscale,espressobin-emmc is not used anymore as it is not needed.

Does this work if this DT provided to Linux for booting on the
different variants?

> It means that setup and compilation of U-Boot for Espressobin is less
> complicated and more simple. As there is no need to check for HW details
> and just one U-Boot binary would work for all Espressobin variants.
>
> First two patches just revert previous eMMC support and next two patches
> add support for eMMC in way that just one DTS file is used and fdtfile
> env variable is correctly set for any Espressobin variant.
>
> We have tested that fdtfile env variable is correctly set on Espressobin
> variants with eMMC, without eMMC, with DDR3 RAM and also with DDR4 RAM.
> Also that eMMC is working on Espressobin variant with eMMC.
>
> Pali Rohár (4):
>   Revert "arm64: dts: armada-3720-espressobin: split common parts to
>     .dtsi"
>   Revert "arm64: dts: a3720: add support for espressobin with populated
>     emmc"
>   arm: mvebu: Espressobin: Add support for emmc into dts file
>   arm: mvebu: Espressobin: Detect presence of emmc at runtime
>
>  arch/arm/dts/Makefile                         |   1 -
>  arch/arm/dts/armada-3720-espressobin-emmc.dts |  44 -----
>  arch/arm/dts/armada-3720-espressobin.dts      | 186 +++++++++++++++++-
>  arch/arm/dts/armada-3720-espressobin.dtsi     | 167 ----------------
>  board/Marvell/mvebu_armada-37xx/board.c       |   6 +-
>  doc/README.marvell                            |   7 +-
>  6 files changed, 186 insertions(+), 225 deletions(-)
>  delete mode 100644 arch/arm/dts/armada-3720-espressobin-emmc.dts
>  delete mode 100644 arch/arm/dts/armada-3720-espressobin.dtsi
>
> --
> 2.20.1
>