[U-Boot] [PATCH v2 3/3] dts: generate multiple device tree blobs

[Simon Glass]

Hi Masahiro,

On 4 February 2014 02:38, Masahiro Yamada <yamada.m at jp.panasonic.com> wrote:
> It is convenient to have all device trees on the same SoC compiled.
> It allows for later easy repackaging without the need to re-run
> the make file.
>
>   - Build device trees with the same SoC under arch/$(ARCH)/dts
>   - Copy the one specified by CONFIG_DEFAULT_DEVICE_TREE or
>     DEVICE_TREE=... to dts/dt.dtb
>
> Signed-off-by: Masahiro Yamada <yamada.m at jp.panasonic.com>
> ---
>
> Changes in v2:
>   - Newly added
>
>  arch/arm/dts/.gitignore        |  1 +
>  arch/arm/dts/Makefile          | 37 +++++++++++++++++++++++++++++++++++++
>  arch/microblaze/dts/.gitignore |  1 +
>  arch/microblaze/dts/Makefile   | 11 +++++++++++
>  arch/x86/dts/.gitignore        |  1 +
>  arch/x86/dts/Makefile          | 12 ++++++++++++
>  dts/Makefile                   | 31 ++++++++++++++++++++-----------
>  7 files changed, 83 insertions(+), 11 deletions(-)
>  create mode 100644 arch/arm/dts/.gitignore
>  create mode 100644 arch/arm/dts/Makefile
>  create mode 100644 arch/microblaze/dts/.gitignore
>  create mode 100644 arch/microblaze/dts/Makefile
>  create mode 100644 arch/x86/dts/.gitignore
>  create mode 100644 arch/x86/dts/Makefile
>
> diff --git a/arch/arm/dts/.gitignore b/arch/arm/dts/.gitignore
> new file mode 100644
> index 0000000..b60ed20
> --- /dev/null
> +++ b/arch/arm/dts/.gitignore
> @@ -0,0 +1 @@
> +*.dtb
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> new file mode 100644
> index 0000000..2658911
> --- /dev/null
> +++ b/arch/arm/dts/Makefile
> @@ -0,0 +1,37 @@
> +dtb-$(CONFIG_EXYNOS5) += exynos5250-arndale.dtb \
> +       exynos5250-snow.dtb \
> +       exynos5250-smdk5250.dtb \
> +       exynos5420-smdk5420.dtb
> +
> +dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
> +       tegra20-medcom-wide.dtb \
> +       tegra20-paz00.dtb \
> +       tegra20-plutux.dtb \
> +       tegra20-seaboard.dtb \
> +       tegra20-tec.dtb \
> +       tegra20-trimslice.dtb \
> +       tegra20-ventana.dtb \
> +       tegra20-whistler.dtb \
> +       tegra20-colibri_t20_iris.dtb \
> +       tegra30-beaver.dtb \
> +       tegra30-cardhu.dtb \
> +       tegra30-tec-ng.dtb \
> +       tegra114-dalmore.dtb
> +
> +dtb-$(CONFIG_ZYNQ) += zynq-zc702.dtb \
> +       zynq-zc706.dtb \
> +       zynq-zed.dtb \
> +       zynq-microzed.dtb \
> +       zynq-zc770-xm010.dtb \
> +       zynq-zc770-xm012.dtb \
> +       zynq-zc770-xm013.dtb


This better matches what the kernel does, but I'm not 100% comfortable
about putting all these files in arch/arm. Granted the vendor
directory may not correspond to a particular SoC, but we can put
tegra20.dtsi in arch/arm/dts so that all tegra boards can use it, for
example.

Regards,
Simon